From: Mikko Rasa Date: Wed, 2 Aug 2023 08:47:57 +0000 (+0300) Subject: Import zlib 1.2.13 X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=7552879d6f428d8134d760ad4bfd3f1e1ad01d62;p=ext%2Fzlib.git Import zlib 1.2.13 --- 7552879d6f428d8134d760ad4bfd3f1e1ad01d62 diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..b412dc7 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,213 @@ +cmake_minimum_required(VERSION 2.4.4) +set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) + +project(zlib C) + +set(VERSION "1.2.13") + +set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") +set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") +set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") +set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") +set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") + +include(CheckTypeSize) +include(CheckFunctionExists) +include(CheckIncludeFile) +include(CheckCSourceCompiles) +enable_testing() + +check_include_file(sys/types.h HAVE_SYS_TYPES_H) +check_include_file(stdint.h HAVE_STDINT_H) +check_include_file(stddef.h HAVE_STDDEF_H) + +# +# Check to see if we have large file support +# +set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) +# We add these other definitions here because CheckTypeSize.cmake +# in CMake 2.4.x does not automatically do so and we want +# compatibility with CMake 2.4.x. +if(HAVE_SYS_TYPES_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) +endif() +if(HAVE_STDINT_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) +endif() +if(HAVE_STDDEF_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) +endif() +check_type_size(off64_t OFF64_T) +if(HAVE_OFF64_T) + add_definitions(-D_LARGEFILE64_SOURCE=1) +endif() +set(CMAKE_REQUIRED_DEFINITIONS) # clear variable + +# +# Check for fseeko +# +check_function_exists(fseeko HAVE_FSEEKO) +if(NOT HAVE_FSEEKO) + add_definitions(-DNO_FSEEKO) +endif() + +# +# Check for unistd.h +# +check_include_file(unistd.h Z_HAVE_UNISTD_H) + +if(MSVC) + set(CMAKE_DEBUG_POSTFIX "d") + add_definitions(-D_CRT_SECURE_NO_DEPRECATE) + add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) + include_directories(${CMAKE_CURRENT_SOURCE_DIR}) +endif() + +if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) + # If we're doing an out of source build and the user has a zconf.h + # in their source tree... + if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) + message(STATUS "Renaming") + message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") + message(STATUS "to 'zconf.h.included' because this file is included with zlib") + message(STATUS "but CMake generates it automatically in the build directory.") + file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) + endif() +endif() + +set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) +configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein + ${ZLIB_PC} @ONLY) +configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein + ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) +include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) + + +#============================================================================ +# zlib +#============================================================================ + +set(ZLIB_PUBLIC_HDRS + ${CMAKE_CURRENT_BINARY_DIR}/zconf.h + zlib.h +) +set(ZLIB_PRIVATE_HDRS + crc32.h + deflate.h + gzguts.h + inffast.h + inffixed.h + inflate.h + inftrees.h + trees.h + zutil.h +) +set(ZLIB_SRCS + adler32.c + compress.c + crc32.c + deflate.c + gzclose.c + gzlib.c + gzread.c + gzwrite.c + inflate.c + infback.c + inftrees.c + inffast.c + trees.c + uncompr.c + zutil.c +) + +if(NOT MINGW) + set(ZLIB_DLL_SRCS + win32/zlib1.rc # If present will override custom build rule below. + ) +endif() + +# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION +file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) +string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" + "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) + +if(MINGW) + # This gets us DLL resource information when compiling on MinGW. + if(NOT CMAKE_RC_COMPILER) + set(CMAKE_RC_COMPILER windres.exe) + endif() + + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj + COMMAND ${CMAKE_RC_COMPILER} + -D GCC_WINDRES + -I ${CMAKE_CURRENT_SOURCE_DIR} + -I ${CMAKE_CURRENT_BINARY_DIR} + -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj + -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) + set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) +endif(MINGW) + +add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) +add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) +set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) +set_target_properties(zlib PROPERTIES SOVERSION 1) + +if(NOT CYGWIN) + # This property causes shared libraries on Linux to have the full version + # encoded into their final filename. We disable this on Cygwin because + # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll + # seems to be the default. + # + # This has no effect with MSVC, on that platform the version info for + # the DLL comes from the resource file win32/zlib1.rc + set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) +endif() + +if(UNIX) + # On unix-like platforms the library is almost always called libz + set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) + if(NOT APPLE) + set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"") + endif() +elseif(BUILD_SHARED_LIBS AND WIN32) + # Creates zlib1.dll when building shared library version + set_target_properties(zlib PROPERTIES SUFFIX "1.dll") +endif() + +if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) + install(TARGETS zlib zlibstatic + RUNTIME DESTINATION "${INSTALL_BIN_DIR}" + ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" + LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) +endif() +if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) + install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") +endif() +if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) + install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") +endif() +if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) + install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") +endif() + +#============================================================================ +# Example binaries +#============================================================================ + +add_executable(example test/example.c) +target_link_libraries(example zlib) +add_test(example example) + +add_executable(minigzip test/minigzip.c) +target_link_libraries(minigzip zlib) + +if(HAVE_OFF64_T) + add_executable(example64 test/example.c) + target_link_libraries(example64 zlib) + set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") + add_test(example64 example64) + + add_executable(minigzip64 test/minigzip.c) + target_link_libraries(minigzip64 zlib) + set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") +endif() diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..457526b --- /dev/null +++ b/ChangeLog @@ -0,0 +1,1590 @@ + + ChangeLog file for zlib + +Changes in 1.2.13 (13 Oct 2022) +- Fix configure issue that discarded provided CC definition +- Correct incorrect inputs provided to the CRC functions +- Repair prototypes and exporting of new CRC functions +- Fix inflateBack to detect invalid input with distances too far +- Have infback() deliver all of the available output up to any error +- Fix a bug when getting a gzip header extra field with inflate() +- Fix bug in block type selection when Z_FIXED used +- Tighten deflateBound bounds +- Remove deleted assembler code references +- Various portability and appearance improvements + +Changes in 1.2.12 (27 Mar 2022) +- Cygwin does not have _wopen(), so do not create gzopen_w() there +- Permit a deflateParams() parameter change as soon as possible +- Limit hash table inserts after switch from stored deflate +- Fix bug when window full in deflate_stored() +- Fix CLEAR_HASH macro to be usable as a single statement +- Avoid a conversion error in gzseek when off_t type too small +- Have Makefile return non-zero error code on test failure +- Avoid some conversion warnings in gzread.c and gzwrite.c +- Update use of errno for newer Windows CE versions +- Small speedup to inflate [psumbera] +- Return an error if the gzputs string length can't fit in an int +- Add address checking in clang to -w option of configure +- Don't compute check value for raw inflate if asked to validate +- Handle case where inflateSync used when header never processed +- Avoid the use of ptrdiff_t +- Avoid an undefined behavior of memcpy() in gzappend() +- Avoid undefined behaviors of memcpy() in gz*printf() +- Avoid an undefined behavior of memcpy() in _tr_stored_block() +- Make the names in functions declarations identical to definitions +- Remove old assembler code in which bugs have manifested +- Fix deflateEnd() to not report an error at start of raw deflate +- Add legal disclaimer to README +- Emphasize the need to continue decompressing gzip members +- Correct the initialization requirements for deflateInit2() +- Fix a bug that can crash deflate on some input when using Z_FIXED +- Assure that the number of bits for deflatePrime() is valid +- Use a structure to make globals in enough.c evident +- Use a macro for the printf format of big_t in enough.c +- Clean up code style in enough.c, update version +- Use inline function instead of macro for index in enough.c +- Clarify that prefix codes are counted in enough.c +- Show all the codes for the maximum tables size in enough.c +- Add gznorm.c example, which normalizes gzip files +- Fix the zran.c example to work on a multiple-member gzip file +- Add tables for crc32_combine(), to speed it up by a factor of 200 +- Add crc32_combine_gen() and crc32_combine_op() for fast combines +- Speed up software CRC-32 computation by a factor of 1.5 to 3 +- Use atomic test and set, if available, for dynamic CRC tables +- Don't bother computing check value after successful inflateSync() +- Correct comment in crc32.c +- Add use of the ARMv8 crc32 instructions when requested +- Use ARM crc32 instructions if the ARM architecture has them +- Explicitly note that the 32-bit check values are 32 bits +- Avoid adding empty gzip member after gzflush with Z_FINISH +- Fix memory leak on error in gzlog.c +- Fix error in comment on the polynomial representation of a byte +- Clarify gz* function interfaces, referring to parameter names +- Change macro name in inflate.c to avoid collision in VxWorks +- Correct typo in blast.c +- Improve portability of contrib/minizip +- Fix indentation in minizip's zip.c +- Replace black/white with allow/block. (theresa-m) +- minizip warning fix if MAXU32 already defined. (gvollant) +- Fix unztell64() in minizip to work past 4GB. (Daniël Hörchner) +- Clean up minizip to reduce warnings for testing +- Add fallthrough comments for gcc +- Eliminate use of ULL constants +- Separate out address sanitizing from warnings in configure +- Remove destructive aspects of make distclean +- Check for cc masquerading as gcc or clang in configure +- Fix crc32.c to compile local functions only if used + +Changes in 1.2.11 (15 Jan 2017) +- Fix deflate stored bug when pulling last block from window +- Permit immediate deflateParams changes before any deflate input + +Changes in 1.2.10 (2 Jan 2017) +- Avoid warnings on snprintf() return value +- Fix bug in deflate_stored() for zero-length input +- Fix bug in gzwrite.c that produced corrupt gzip files +- Remove files to be installed before copying them in Makefile.in +- Add warnings when compiling with assembler code + +Changes in 1.2.9 (31 Dec 2016) +- Fix contrib/minizip to permit unzipping with desktop API [Zouzou] +- Improve contrib/blast to return unused bytes +- Assure that gzoffset() is correct when appending +- Improve compress() and uncompress() to support large lengths +- Fix bug in test/example.c where error code not saved +- Remedy Coverity warning [Randers-Pehrson] +- Improve speed of gzprintf() in transparent mode +- Fix inflateInit2() bug when windowBits is 16 or 32 +- Change DEBUG macro to ZLIB_DEBUG +- Avoid uninitialized access by gzclose_w() +- Allow building zlib outside of the source directory +- Fix bug that accepted invalid zlib header when windowBits is zero +- Fix gzseek() problem on MinGW due to buggy _lseeki64 there +- Loop on write() calls in gzwrite.c in case of non-blocking I/O +- Add --warn (-w) option to ./configure for more compiler warnings +- Reject a window size of 256 bytes if not using the zlib wrapper +- Fix bug when level 0 used with Z_HUFFMAN or Z_RLE +- Add --debug (-d) option to ./configure to define ZLIB_DEBUG +- Fix bugs in creating a very large gzip header +- Add uncompress2() function, which returns the input size used +- Assure that deflateParams() will not switch functions mid-block +- Dramatically speed up deflation for level 0 (storing) +- Add gzfread(), duplicating the interface of fread() +- Add gzfwrite(), duplicating the interface of fwrite() +- Add deflateGetDictionary() function +- Use snprintf() for later versions of Microsoft C +- Fix *Init macros to use z_ prefix when requested +- Replace as400 with os400 for OS/400 support [Monnerat] +- Add crc32_z() and adler32_z() functions with size_t lengths +- Update Visual Studio project files [AraHaan] + +Changes in 1.2.8 (28 Apr 2013) +- Update contrib/minizip/iowin32.c for Windows RT [Vollant] +- Do not force Z_CONST for C++ +- Clean up contrib/vstudio [Roß] +- Correct spelling error in zlib.h +- Fix mixed line endings in contrib/vstudio + +Changes in 1.2.7.3 (13 Apr 2013) +- Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc + +Changes in 1.2.7.2 (13 Apr 2013) +- Change check for a four-byte type back to hexadecimal +- Fix typo in win32/Makefile.msc +- Add casts in gzwrite.c for pointer differences + +Changes in 1.2.7.1 (24 Mar 2013) +- Replace use of unsafe string functions with snprintf if available +- Avoid including stddef.h on Windows for Z_SOLO compile [Niessink] +- Fix gzgetc undefine when Z_PREFIX set [Turk] +- Eliminate use of mktemp in Makefile (not always available) +- Fix bug in 'F' mode for gzopen() +- Add inflateGetDictionary() function +- Correct comment in deflate.h +- Use _snprintf for snprintf in Microsoft C +- On Darwin, only use /usr/bin/libtool if libtool is not Apple +- Delete "--version" file if created by "ar --version" [Richard G.] +- Fix configure check for veracity of compiler error return codes +- Fix CMake compilation of static lib for MSVC2010 x64 +- Remove unused variable in infback9.c +- Fix argument checks in gzlog_compress() and gzlog_write() +- Clean up the usage of z_const and respect const usage within zlib +- Clean up examples/gzlog.[ch] comparisons of different types +- Avoid shift equal to bits in type (caused endless loop) +- Fix uninitialized value bug in gzputc() introduced by const patches +- Fix memory allocation error in examples/zran.c [Nor] +- Fix bug where gzopen(), gzclose() would write an empty file +- Fix bug in gzclose() when gzwrite() runs out of memory +- Check for input buffer malloc failure in examples/gzappend.c +- Add note to contrib/blast to use binary mode in stdio +- Fix comparisons of differently signed integers in contrib/blast +- Check for invalid code length codes in contrib/puff +- Fix serious but very rare decompression bug in inftrees.c +- Update inflateBack() comments, since inflate() can be faster +- Use underscored I/O function names for WINAPI_FAMILY +- Add _tr_flush_bits to the external symbols prefixed by --zprefix +- Add contrib/vstudio/vc10 pre-build step for static only +- Quote --version-script argument in CMakeLists.txt +- Don't specify --version-script on Apple platforms in CMakeLists.txt +- Fix casting error in contrib/testzlib/testzlib.c +- Fix types in contrib/minizip to match result of get_crc_table() +- Simplify contrib/vstudio/vc10 with 'd' suffix +- Add TOP support to win32/Makefile.msc +- Support i686 and amd64 assembler builds in CMakeLists.txt +- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h +- Add vc11 and vc12 build files to contrib/vstudio +- Add gzvprintf() as an undocumented function in zlib +- Fix configure for Sun shell +- Remove runtime check in configure for four-byte integer type +- Add casts and consts to ease user conversion to C++ +- Add man pages for minizip and miniunzip +- In Makefile uninstall, don't rm if preceding cd fails +- Do not return Z_BUF_ERROR if deflateParam() has nothing to write + +Changes in 1.2.7 (2 May 2012) +- Replace use of memmove() with a simple copy for portability +- Test for existence of strerror +- Restore gzgetc_ for backward compatibility with 1.2.6 +- Fix build with non-GNU make on Solaris +- Require gcc 4.0 or later on Mac OS X to use the hidden attribute +- Include unistd.h for Watcom C +- Use __WATCOMC__ instead of __WATCOM__ +- Do not use the visibility attribute if NO_VIZ defined +- Improve the detection of no hidden visibility attribute +- Avoid using __int64 for gcc or solo compilation +- Cast to char * in gzprintf to avoid warnings [Zinser] +- Fix make_vms.com for VAX [Zinser] +- Don't use library or built-in byte swaps +- Simplify test and use of gcc hidden attribute +- Fix bug in gzclose_w() when gzwrite() fails to allocate memory +- Add "x" (O_EXCL) and "e" (O_CLOEXEC) modes support to gzopen() +- Fix bug in test/minigzip.c for configure --solo +- Fix contrib/vstudio project link errors [Mohanathas] +- Add ability to choose the builder in make_vms.com [Schweda] +- Add DESTDIR support to mingw32 win32/Makefile.gcc +- Fix comments in win32/Makefile.gcc for proper usage +- Allow overriding the default install locations for cmake +- Generate and install the pkg-config file with cmake +- Build both a static and a shared version of zlib with cmake +- Include version symbols for cmake builds +- If using cmake with MSVC, add the source directory to the includes +- Remove unneeded EXTRA_CFLAGS from win32/Makefile.gcc [Truta] +- Move obsolete emx makefile to old [Truta] +- Allow the use of -Wundef when compiling or using zlib +- Avoid the use of the -u option with mktemp +- Improve inflate() documentation on the use of Z_FINISH +- Recognize clang as gcc +- Add gzopen_w() in Windows for wide character path names +- Rename zconf.h in CMakeLists.txt to move it out of the way +- Add source directory in CMakeLists.txt for building examples +- Look in build directory for zlib.pc in CMakeLists.txt +- Remove gzflags from zlibvc.def in vc9 and vc10 +- Fix contrib/minizip compilation in the MinGW environment +- Update ./configure for Solaris, support --64 [Mooney] +- Remove -R. from Solaris shared build (possible security issue) +- Avoid race condition for parallel make (-j) running example +- Fix type mismatch between get_crc_table() and crc_table +- Fix parsing of version with "-" in CMakeLists.txt [Snider, Ziegler] +- Fix the path to zlib.map in CMakeLists.txt +- Force the native libtool in Mac OS X to avoid GNU libtool [Beebe] +- Add instructions to win32/Makefile.gcc for shared install [Torri] + +Changes in 1.2.6.1 (12 Feb 2012) +- Avoid the use of the Objective-C reserved name "id" +- Include io.h in gzguts.h for Microsoft compilers +- Fix problem with ./configure --prefix and gzgetc macro +- Include gz_header definition when compiling zlib solo +- Put gzflags() functionality back in zutil.c +- Avoid library header include in crc32.c for Z_SOLO +- Use name in GCC_CLASSIC as C compiler for coverage testing, if set +- Minor cleanup in contrib/minizip/zip.c [Vollant] +- Update make_vms.com [Zinser] +- Remove unnecessary gzgetc_ function +- Use optimized byte swap operations for Microsoft and GNU [Snyder] +- Fix minor typo in zlib.h comments [Rzesniowiecki] + +Changes in 1.2.6 (29 Jan 2012) +- Update the Pascal interface in contrib/pascal +- Fix function numbers for gzgetc_ in zlibvc.def files +- Fix configure.ac for contrib/minizip [Schiffer] +- Fix large-entry detection in minizip on 64-bit systems [Schiffer] +- Have ./configure use the compiler return code for error indication +- Fix CMakeLists.txt for cross compilation [McClure] +- Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes] +- Fix compilation of contrib/minizip on FreeBSD [Marquez] +- Correct suggested usages in win32/Makefile.msc [Shachar, Horvath] +- Include io.h for Turbo C / Borland C on all platforms [Truta] +- Make version explicit in contrib/minizip/configure.ac [Bosmans] +- Avoid warning for no encryption in contrib/minizip/zip.c [Vollant] +- Minor cleanup up contrib/minizip/unzip.c [Vollant] +- Fix bug when compiling minizip with C++ [Vollant] +- Protect for long name and extra fields in contrib/minizip [Vollant] +- Avoid some warnings in contrib/minizip [Vollant] +- Add -I../.. -L../.. to CFLAGS for minizip and miniunzip +- Add missing libs to minizip linker command +- Add support for VPATH builds in contrib/minizip +- Add an --enable-demos option to contrib/minizip/configure +- Add the generation of configure.log by ./configure +- Exit when required parameters not provided to win32/Makefile.gcc +- Have gzputc return the character written instead of the argument +- Use the -m option on ldconfig for BSD systems [Tobias] +- Correct in zlib.map when deflateResetKeep was added + +Changes in 1.2.5.3 (15 Jan 2012) +- Restore gzgetc function for binary compatibility +- Do not use _lseeki64 under Borland C++ [Truta] +- Update win32/Makefile.msc to build test/*.c [Truta] +- Remove old/visualc6 given CMakefile and other alternatives +- Update AS400 build files and documentation [Monnerat] +- Update win32/Makefile.gcc to build test/*.c [Truta] +- Permit stronger flushes after Z_BLOCK flushes +- Avoid extraneous empty blocks when doing empty flushes +- Permit Z_NULL arguments to deflatePending +- Allow deflatePrime() to insert bits in the middle of a stream +- Remove second empty static block for Z_PARTIAL_FLUSH +- Write out all of the available bits when using Z_BLOCK +- Insert the first two strings in the hash table after a flush + +Changes in 1.2.5.2 (17 Dec 2011) +- fix ld error: unable to find version dependency 'ZLIB_1.2.5' +- use relative symlinks for shared libs +- Avoid searching past window for Z_RLE strategy +- Assure that high-water mark initialization is always applied in deflate +- Add assertions to fill_window() in deflate.c to match comments +- Update python link in README +- Correct spelling error in gzread.c +- Fix bug in gzgets() for a concatenated empty gzip stream +- Correct error in comment for gz_make() +- Change gzread() and related to ignore junk after gzip streams +- Allow gzread() and related to continue after gzclearerr() +- Allow gzrewind() and gzseek() after a premature end-of-file +- Simplify gzseek() now that raw after gzip is ignored +- Change gzgetc() to a macro for speed (~40% speedup in testing) +- Fix gzclose() to return the actual error last encountered +- Always add large file support for windows +- Include zconf.h for windows large file support +- Include zconf.h.cmakein for windows large file support +- Update zconf.h.cmakein on make distclean +- Merge vestigial vsnprintf determination from zutil.h to gzguts.h +- Clarify how gzopen() appends in zlib.h comments +- Correct documentation of gzdirect() since junk at end now ignored +- Add a transparent write mode to gzopen() when 'T' is in the mode +- Update python link in zlib man page +- Get inffixed.h and MAKEFIXED result to match +- Add a ./config --solo option to make zlib subset with no library use +- Add undocumented inflateResetKeep() function for CAB file decoding +- Add --cover option to ./configure for gcc coverage testing +- Add #define ZLIB_CONST option to use const in the z_stream interface +- Add comment to gzdopen() in zlib.h to use dup() when using fileno() +- Note behavior of uncompress() to provide as much data as it can +- Add files in contrib/minizip to aid in building libminizip +- Split off AR options in Makefile.in and configure +- Change ON macro to Z_ARG to avoid application conflicts +- Facilitate compilation with Borland C++ for pragmas and vsnprintf +- Include io.h for Turbo C / Borland C++ +- Move example.c and minigzip.c to test/ +- Simplify incomplete code table filling in inflate_table() +- Remove code from inflate.c and infback.c that is impossible to execute +- Test the inflate code with full coverage +- Allow deflateSetDictionary, inflateSetDictionary at any time (in raw) +- Add deflateResetKeep and fix inflateResetKeep to retain dictionary +- Fix gzwrite.c to accommodate reduced memory zlib compilation +- Have inflate() with Z_FINISH avoid the allocation of a window +- Do not set strm->adler when doing raw inflate +- Fix gzeof() to behave just like feof() when read is not past end of file +- Fix bug in gzread.c when end-of-file is reached +- Avoid use of Z_BUF_ERROR in gz* functions except for premature EOF +- Document gzread() capability to read concurrently written files +- Remove hard-coding of resource compiler in CMakeLists.txt [Blammo] + +Changes in 1.2.5.1 (10 Sep 2011) +- Update FAQ entry on shared builds (#13) +- Avoid symbolic argument to chmod in Makefile.in +- Fix bug and add consts in contrib/puff [Oberhumer] +- Update contrib/puff/zeros.raw test file to have all block types +- Add full coverage test for puff in contrib/puff/Makefile +- Fix static-only-build install in Makefile.in +- Fix bug in unzGetCurrentFileInfo() in contrib/minizip [Kuno] +- Add libz.a dependency to shared in Makefile.in for parallel builds +- Spell out "number" (instead of "nb") in zlib.h for total_in, total_out +- Replace $(...) with `...` in configure for non-bash sh [Bowler] +- Add darwin* to Darwin* and solaris* to SunOS\ 5* in configure [Groffen] +- Add solaris* to Linux* in configure to allow gcc use [Groffen] +- Add *bsd* to Linux* case in configure [Bar-Lev] +- Add inffast.obj to dependencies in win32/Makefile.msc +- Correct spelling error in deflate.h [Kohler] +- Change libzdll.a again to libz.dll.a (!) in win32/Makefile.gcc +- Add test to configure for GNU C looking for gcc in output of $cc -v +- Add zlib.pc generation to win32/Makefile.gcc [Weigelt] +- Fix bug in zlib.h for _FILE_OFFSET_BITS set and _LARGEFILE64_SOURCE not +- Add comment in zlib.h that adler32_combine with len2 < 0 makes no sense +- Make NO_DIVIDE option in adler32.c much faster (thanks to John Reiser) +- Make stronger test in zconf.h to include unistd.h for LFS +- Apply Darwin patches for 64-bit file offsets to contrib/minizip [Slack] +- Fix zlib.h LFS support when Z_PREFIX used +- Add updated as400 support (removed from old) [Monnerat] +- Avoid deflate sensitivity to volatile input data +- Avoid division in adler32_combine for NO_DIVIDE +- Clarify the use of Z_FINISH with deflateBound() amount of space +- Set binary for output file in puff.c +- Use u4 type for crc_table to avoid conversion warnings +- Apply casts in zlib.h to avoid conversion warnings +- Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller] +- Improve inflateSync() documentation to note indeterminacy +- Add deflatePending() function to return the amount of pending output +- Correct the spelling of "specification" in FAQ [Randers-Pehrson] +- Add a check in configure for stdarg.h, use for gzprintf() +- Check that pointers fit in ints when gzprint() compiled old style +- Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler] +- Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt] +- Add debug records in assembler code [Londer] +- Update RFC references to use http://tools.ietf.org/html/... [Li] +- Add --archs option, use of libtool to configure for Mac OS X [Borstel] + +Changes in 1.2.5 (19 Apr 2010) +- Disable visibility attribute in win32/Makefile.gcc [Bar-Lev] +- Default to libdir as sharedlibdir in configure [Nieder] +- Update copyright dates on modified source files +- Update trees.c to be able to generate modified trees.h +- Exit configure for MinGW, suggesting win32/Makefile.gcc +- Check for NULL path in gz_open [Homurlu] + +Changes in 1.2.4.5 (18 Apr 2010) +- Set sharedlibdir in configure [Torok] +- Set LDFLAGS in Makefile.in [Bar-Lev] +- Avoid mkdir objs race condition in Makefile.in [Bowler] +- Add ZLIB_INTERNAL in front of internal inter-module functions and arrays +- Define ZLIB_INTERNAL to hide internal functions and arrays for GNU C +- Don't use hidden attribute when it is a warning generator (e.g. Solaris) + +Changes in 1.2.4.4 (18 Apr 2010) +- Fix CROSS_PREFIX executable testing, CHOST extract, mingw* [Torok] +- Undefine _LARGEFILE64_SOURCE in zconf.h if it is zero, but not if empty +- Try to use bash or ksh regardless of functionality of /bin/sh +- Fix configure incompatibility with NetBSD sh +- Remove attempt to run under bash or ksh since have better NetBSD fix +- Fix win32/Makefile.gcc for MinGW [Bar-Lev] +- Add diagnostic messages when using CROSS_PREFIX in configure +- Added --sharedlibdir option to configure [Weigelt] +- Use hidden visibility attribute when available [Frysinger] + +Changes in 1.2.4.3 (10 Apr 2010) +- Only use CROSS_PREFIX in configure for ar and ranlib if they exist +- Use CROSS_PREFIX for nm [Bar-Lev] +- Assume _LARGEFILE64_SOURCE defined is equivalent to true +- Avoid use of undefined symbols in #if with && and || +- Make *64 prototypes in gzguts.h consistent with functions +- Add -shared load option for MinGW in configure [Bowler] +- Move z_off64_t to public interface, use instead of off64_t +- Remove ! from shell test in configure (not portable to Solaris) +- Change +0 macro tests to -0 for possibly increased portability + +Changes in 1.2.4.2 (9 Apr 2010) +- Add consistent carriage returns to readme.txt's in masmx86 and masmx64 +- Really provide prototypes for *64 functions when building without LFS +- Only define unlink() in minigzip.c if unistd.h not included +- Update README to point to contrib/vstudio project files +- Move projects/vc6 to old/ and remove projects/ +- Include stdlib.h in minigzip.c for setmode() definition under WinCE +- Clean up assembler builds in win32/Makefile.msc [Rowe] +- Include sys/types.h for Microsoft for off_t definition +- Fix memory leak on error in gz_open() +- Symbolize nm as $NM in configure [Weigelt] +- Use TEST_LDSHARED instead of LDSHARED to link test programs [Weigelt] +- Add +0 to _FILE_OFFSET_BITS and _LFS64_LARGEFILE in case not defined +- Fix bug in gzeof() to take into account unused input data +- Avoid initialization of structures with variables in puff.c +- Updated win32/README-WIN32.txt [Rowe] + +Changes in 1.2.4.1 (28 Mar 2010) +- Remove the use of [a-z] constructs for sed in configure [gentoo 310225] +- Remove $(SHAREDLIB) from LIBS in Makefile.in [Creech] +- Restore "for debugging" comment on sprintf() in gzlib.c +- Remove fdopen for MVS from gzguts.h +- Put new README-WIN32.txt in win32 [Rowe] +- Add check for shell to configure and invoke another shell if needed +- Fix big fat stinking bug in gzseek() on uncompressed files +- Remove vestigial F_OPEN64 define in zutil.h +- Set and check the value of _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE +- Avoid errors on non-LFS systems when applications define LFS macros +- Set EXE to ".exe" in configure for MINGW [Kahle] +- Match crc32() in crc32.c exactly to the prototype in zlib.h [Sherrill] +- Add prefix for cross-compilation in win32/makefile.gcc [Bar-Lev] +- Add DLL install in win32/makefile.gcc [Bar-Lev] +- Allow Linux* or linux* from uname in configure [Bar-Lev] +- Allow ldconfig to be redefined in configure and Makefile.in [Bar-Lev] +- Add cross-compilation prefixes to configure [Bar-Lev] +- Match type exactly in gz_load() invocation in gzread.c +- Match type exactly of zcalloc() in zutil.c to zlib.h alloc_func +- Provide prototypes for *64 functions when building zlib without LFS +- Don't use -lc when linking shared library on MinGW +- Remove errno.h check in configure and vestigial errno code in zutil.h + +Changes in 1.2.4 (14 Mar 2010) +- Fix VER3 extraction in configure for no fourth subversion +- Update zlib.3, add docs to Makefile.in to make .pdf out of it +- Add zlib.3.pdf to distribution +- Don't set error code in gzerror() if passed pointer is NULL +- Apply destination directory fixes to CMakeLists.txt [Lowman] +- Move #cmakedefine's to a new zconf.in.cmakein +- Restore zconf.h for builds that don't use configure or cmake +- Add distclean to dummy Makefile for convenience +- Update and improve INDEX, README, and FAQ +- Update CMakeLists.txt for the return of zconf.h [Lowman] +- Update contrib/vstudio/vc9 and vc10 [Vollant] +- Change libz.dll.a back to libzdll.a in win32/Makefile.gcc +- Apply license and readme changes to contrib/asm686 [Raiter] +- Check file name lengths and add -c option in minigzip.c [Li] +- Update contrib/amd64 and contrib/masmx86/ [Vollant] +- Avoid use of "eof" parameter in trees.c to not shadow library variable +- Update make_vms.com for removal of zlibdefs.h [Zinser] +- Update assembler code and vstudio projects in contrib [Vollant] +- Remove outdated assembler code contrib/masm686 and contrib/asm586 +- Remove old vc7 and vc8 from contrib/vstudio +- Update win32/Makefile.msc, add ZLIB_VER_SUBREVISION [Rowe] +- Fix memory leaks in gzclose_r() and gzclose_w(), file leak in gz_open() +- Add contrib/gcc_gvmat64 for longest_match and inflate_fast [Vollant] +- Remove *64 functions from win32/zlib.def (they're not 64-bit yet) +- Fix bug in void-returning vsprintf() case in gzwrite.c +- Fix name change from inflate.h in contrib/inflate86/inffas86.c +- Check if temporary file exists before removing in make_vms.com [Zinser] +- Fix make install and uninstall for --static option +- Fix usage of _MSC_VER in gzguts.h and zutil.h [Truta] +- Update readme.txt in contrib/masmx64 and masmx86 to assemble + +Changes in 1.2.3.9 (21 Feb 2010) +- Expunge gzio.c +- Move as400 build information to old +- Fix updates in contrib/minizip and contrib/vstudio +- Add const to vsnprintf test in configure to avoid warnings [Weigelt] +- Delete zconf.h (made by configure) [Weigelt] +- Change zconf.in.h to zconf.h.in per convention [Weigelt] +- Check for NULL buf in gzgets() +- Return empty string for gzgets() with len == 1 (like fgets()) +- Fix description of gzgets() in zlib.h for end-of-file, NULL return +- Update minizip to 1.1 [Vollant] +- Avoid MSVC loss of data warnings in gzread.c, gzwrite.c +- Note in zlib.h that gzerror() should be used to distinguish from EOF +- Remove use of snprintf() from gzlib.c +- Fix bug in gzseek() +- Update contrib/vstudio, adding vc9 and vc10 [Kuno, Vollant] +- Fix zconf.h generation in CMakeLists.txt [Lowman] +- Improve comments in zconf.h where modified by configure + +Changes in 1.2.3.8 (13 Feb 2010) +- Clean up text files (tabs, trailing whitespace, etc.) [Oberhumer] +- Use z_off64_t in gz_zero() and gz_skip() to match state->skip +- Avoid comparison problem when sizeof(int) == sizeof(z_off64_t) +- Revert to Makefile.in from 1.2.3.6 (live with the clutter) +- Fix missing error return in gzflush(), add zlib.h note +- Add *64 functions to zlib.map [Levin] +- Fix signed/unsigned comparison in gz_comp() +- Use SFLAGS when testing shared linking in configure +- Add --64 option to ./configure to use -m64 with gcc +- Fix ./configure --help to correctly name options +- Have make fail if a test fails [Levin] +- Avoid buffer overrun in contrib/masmx64/gvmat64.asm [Simpson] +- Remove assembler object files from contrib + +Changes in 1.2.3.7 (24 Jan 2010) +- Always gzopen() with O_LARGEFILE if available +- Fix gzdirect() to work immediately after gzopen() or gzdopen() +- Make gzdirect() more precise when the state changes while reading +- Improve zlib.h documentation in many places +- Catch memory allocation failure in gz_open() +- Complete close operation if seek forward in gzclose_w() fails +- Return Z_ERRNO from gzclose_r() if close() fails +- Return Z_STREAM_ERROR instead of EOF for gzclose() being passed NULL +- Return zero for gzwrite() errors to match zlib.h description +- Return -1 on gzputs() error to match zlib.h description +- Add zconf.in.h to allow recovery from configure modification [Weigelt] +- Fix static library permissions in Makefile.in [Weigelt] +- Avoid warnings in configure tests that hide functionality [Weigelt] +- Add *BSD and DragonFly to Linux case in configure [gentoo 123571] +- Change libzdll.a to libz.dll.a in win32/Makefile.gcc [gentoo 288212] +- Avoid access of uninitialized data for first inflateReset2 call [Gomes] +- Keep object files in subdirectories to reduce the clutter somewhat +- Remove default Makefile and zlibdefs.h, add dummy Makefile +- Add new external functions to Z_PREFIX, remove duplicates, z_z_ -> z_ +- Remove zlibdefs.h completely -- modify zconf.h instead + +Changes in 1.2.3.6 (17 Jan 2010) +- Avoid void * arithmetic in gzread.c and gzwrite.c +- Make compilers happier with const char * for gz_error message +- Avoid unused parameter warning in inflate.c +- Avoid signed-unsigned comparison warning in inflate.c +- Indent #pragma's for traditional C +- Fix usage of strwinerror() in glib.c, change to gz_strwinerror() +- Correct email address in configure for system options +- Update make_vms.com and add make_vms.com to contrib/minizip [Zinser] +- Update zlib.map [Brown] +- Fix Makefile.in for Solaris 10 make of example64 and minizip64 [Torok] +- Apply various fixes to CMakeLists.txt [Lowman] +- Add checks on len in gzread() and gzwrite() +- Add error message for no more room for gzungetc() +- Remove zlib version check in gzwrite() +- Defer compression of gzprintf() result until need to +- Use snprintf() in gzdopen() if available +- Remove USE_MMAP configuration determination (only used by minigzip) +- Remove examples/pigz.c (available separately) +- Update examples/gun.c to 1.6 + +Changes in 1.2.3.5 (8 Jan 2010) +- Add space after #if in zutil.h for some compilers +- Fix relatively harmless bug in deflate_fast() [Exarevsky] +- Fix same problem in deflate_slow() +- Add $(SHAREDLIBV) to LIBS in Makefile.in [Brown] +- Add deflate_rle() for faster Z_RLE strategy run-length encoding +- Add deflate_huff() for faster Z_HUFFMAN_ONLY encoding +- Change name of "write" variable in inffast.c to avoid library collisions +- Fix premature EOF from gzread() in gzio.c [Brown] +- Use zlib header window size if windowBits is 0 in inflateInit2() +- Remove compressBound() call in deflate.c to avoid linking compress.o +- Replace use of errno in gz* with functions, support WinCE [Alves] +- Provide alternative to perror() in minigzip.c for WinCE [Alves] +- Don't use _vsnprintf on later versions of MSVC [Lowman] +- Add CMake build script and input file [Lowman] +- Update contrib/minizip to 1.1 [Svensson, Vollant] +- Moved nintendods directory from contrib to root +- Replace gzio.c with a new set of routines with the same functionality +- Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above +- Update contrib/minizip to 1.1b +- Change gzeof() to return 0 on error instead of -1 to agree with zlib.h + +Changes in 1.2.3.4 (21 Dec 2009) +- Use old school .SUFFIXES in Makefile.in for FreeBSD compatibility +- Update comments in configure and Makefile.in for default --shared +- Fix test -z's in configure [Marquess] +- Build examplesh and minigzipsh when not testing +- Change NULL's to Z_NULL's in deflate.c and in comments in zlib.h +- Import LDFLAGS from the environment in configure +- Fix configure to populate SFLAGS with discovered CFLAGS options +- Adapt make_vms.com to the new Makefile.in [Zinser] +- Add zlib2ansi script for C++ compilation [Marquess] +- Add _FILE_OFFSET_BITS=64 test to make test (when applicable) +- Add AMD64 assembler code for longest match to contrib [Teterin] +- Include options from $SFLAGS when doing $LDSHARED +- Simplify 64-bit file support by introducing z_off64_t type +- Make shared object files in objs directory to work around old Sun cc +- Use only three-part version number for Darwin shared compiles +- Add rc option to ar in Makefile.in for when ./configure not run +- Add -WI,-rpath,. to LDFLAGS for OSF 1 V4* +- Set LD_LIBRARYN32_PATH for SGI IRIX shared compile +- Protect against _FILE_OFFSET_BITS being defined when compiling zlib +- Rename Makefile.in targets allstatic to static and allshared to shared +- Fix static and shared Makefile.in targets to be independent +- Correct error return bug in gz_open() by setting state [Brown] +- Put spaces before ;;'s in configure for better sh compatibility +- Add pigz.c (parallel implementation of gzip) to examples/ +- Correct constant in crc32.c to UL [Leventhal] +- Reject negative lengths in crc32_combine() +- Add inflateReset2() function to work like inflateEnd()/inflateInit2() +- Include sys/types.h for _LARGEFILE64_SOURCE [Brown] +- Correct typo in doc/algorithm.txt [Janik] +- Fix bug in adler32_combine() [Zhu] +- Catch missing-end-of-block-code error in all inflates and in puff + Assures that random input to inflate eventually results in an error +- Added enough.c (calculation of ENOUGH for inftrees.h) to examples/ +- Update ENOUGH and its usage to reflect discovered bounds +- Fix gzerror() error report on empty input file [Brown] +- Add ush casts in trees.c to avoid pedantic runtime errors +- Fix typo in zlib.h uncompress() description [Reiss] +- Correct inflate() comments with regard to automatic header detection +- Remove deprecation comment on Z_PARTIAL_FLUSH (it stays) +- Put new version of gzlog (2.0) in examples with interruption recovery +- Add puff compile option to permit invalid distance-too-far streams +- Add puff TEST command options, ability to read piped input +- Prototype the *64 functions in zlib.h when _FILE_OFFSET_BITS == 64, but + _LARGEFILE64_SOURCE not defined +- Fix Z_FULL_FLUSH to truly erase the past by resetting s->strstart +- Fix deflateSetDictionary() to use all 32K for output consistency +- Remove extraneous #define MIN_LOOKAHEAD in deflate.c (in deflate.h) +- Clear bytes after deflate lookahead to avoid use of uninitialized data +- Change a limit in inftrees.c to be more transparent to Coverity Prevent +- Update win32/zlib.def with exported symbols from zlib.h +- Correct spelling errors in zlib.h [Willem, Sobrado] +- Allow Z_BLOCK for deflate() to force a new block +- Allow negative bits in inflatePrime() to delete existing bit buffer +- Add Z_TREES flush option to inflate() to return at end of trees +- Add inflateMark() to return current state information for random access +- Add Makefile for NintendoDS to contrib [Costa] +- Add -w in configure compile tests to avoid spurious warnings [Beucler] +- Fix typos in zlib.h comments for deflateSetDictionary() +- Fix EOF detection in transparent gzread() [Maier] + +Changes in 1.2.3.3 (2 October 2006) +- Make --shared the default for configure, add a --static option +- Add compile option to permit invalid distance-too-far streams +- Add inflateUndermine() function which is required to enable above +- Remove use of "this" variable name for C++ compatibility [Marquess] +- Add testing of shared library in make test, if shared library built +- Use ftello() and fseeko() if available instead of ftell() and fseek() +- Provide two versions of all functions that use the z_off_t type for + binary compatibility -- a normal version and a 64-bit offset version, + per the Large File Support Extension when _LARGEFILE64_SOURCE is + defined; use the 64-bit versions by default when _FILE_OFFSET_BITS + is defined to be 64 +- Add a --uname= option to configure to perhaps help with cross-compiling + +Changes in 1.2.3.2 (3 September 2006) +- Turn off silly Borland warnings [Hay] +- Use off64_t and define _LARGEFILE64_SOURCE when present +- Fix missing dependency on inffixed.h in Makefile.in +- Rig configure --shared to build both shared and static [Teredesai, Truta] +- Remove zconf.in.h and instead create a new zlibdefs.h file +- Fix contrib/minizip/unzip.c non-encrypted after encrypted [Vollant] +- Add treebuild.xml (see http://treebuild.metux.de/) [Weigelt] + +Changes in 1.2.3.1 (16 August 2006) +- Add watcom directory with OpenWatcom make files [Daniel] +- Remove #undef of FAR in zconf.in.h for MVS [Fedtke] +- Update make_vms.com [Zinser] +- Use -fPIC for shared build in configure [Teredesai, Nicholson] +- Use only major version number for libz.so on IRIX and OSF1 [Reinholdtsen] +- Use fdopen() (not _fdopen()) for Interix in zutil.h [Bäck] +- Add some FAQ entries about the contrib directory +- Update the MVS question in the FAQ +- Avoid extraneous reads after EOF in gzio.c [Brown] +- Correct spelling of "successfully" in gzio.c [Randers-Pehrson] +- Add comments to zlib.h about gzerror() usage [Brown] +- Set extra flags in gzip header in gzopen() like deflate() does +- Make configure options more compatible with double-dash conventions + [Weigelt] +- Clean up compilation under Solaris SunStudio cc [Rowe, Reinholdtsen] +- Fix uninstall target in Makefile.in [Truta] +- Add pkgconfig support [Weigelt] +- Use $(DESTDIR) macro in Makefile.in [Reinholdtsen, Weigelt] +- Replace set_data_type() with a more accurate detect_data_type() in + trees.c, according to the txtvsbin.txt document [Truta] +- Swap the order of #include and #include "zlib.h" in + gzio.c, example.c and minigzip.c [Truta] +- Shut up annoying VS2005 warnings about standard C deprecation [Rowe, + Truta] (where?) +- Fix target "clean" from win32/Makefile.bor [Truta] +- Create .pdb and .manifest files in win32/makefile.msc [Ziegler, Rowe] +- Update zlib www home address in win32/DLL_FAQ.txt [Truta] +- Update contrib/masmx86/inffas32.asm for VS2005 [Vollant, Van Wassenhove] +- Enable browse info in the "Debug" and "ASM Debug" configurations in + the Visual C++ 6 project, and set (non-ASM) "Debug" as default [Truta] +- Add pkgconfig support [Weigelt] +- Add ZLIB_VER_MAJOR, ZLIB_VER_MINOR and ZLIB_VER_REVISION in zlib.h, + for use in win32/zlib1.rc [Polushin, Rowe, Truta] +- Add a document that explains the new text detection scheme to + doc/txtvsbin.txt [Truta] +- Add rfc1950.txt, rfc1951.txt and rfc1952.txt to doc/ [Truta] +- Move algorithm.txt into doc/ [Truta] +- Synchronize FAQ with website +- Fix compressBound(), was low for some pathological cases [Fearnley] +- Take into account wrapper variations in deflateBound() +- Set examples/zpipe.c input and output to binary mode for Windows +- Update examples/zlib_how.html with new zpipe.c (also web site) +- Fix some warnings in examples/gzlog.c and examples/zran.c (it seems + that gcc became pickier in 4.0) +- Add zlib.map for Linux: "All symbols from zlib-1.1.4 remain + un-versioned, the patch adds versioning only for symbols introduced in + zlib-1.2.0 or later. It also declares as local those symbols which are + not designed to be exported." [Levin] +- Update Z_PREFIX list in zconf.in.h, add --zprefix option to configure +- Do not initialize global static by default in trees.c, add a response + NO_INIT_GLOBAL_POINTERS to initialize them if needed [Marquess] +- Don't use strerror() in gzio.c under WinCE [Yakimov] +- Don't use errno.h in zutil.h under WinCE [Yakimov] +- Move arguments for AR to its usage to allow replacing ar [Marot] +- Add HAVE_VISIBILITY_PRAGMA in zconf.in.h for Mozilla [Randers-Pehrson] +- Improve inflateInit() and inflateInit2() documentation +- Fix structure size comment in inflate.h +- Change configure help option from --h* to --help [Santos] + +Changes in 1.2.3 (18 July 2005) +- Apply security vulnerability fixes to contrib/infback9 as well +- Clean up some text files (carriage returns, trailing space) +- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant] + +Changes in 1.2.2.4 (11 July 2005) +- Add inflatePrime() function for starting inflation at bit boundary +- Avoid some Visual C warnings in deflate.c +- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit + compile +- Fix some spelling errors in comments [Betts] +- Correct inflateInit2() error return documentation in zlib.h +- Add zran.c example of compressed data random access to examples + directory, shows use of inflatePrime() +- Fix cast for assignments to strm->state in inflate.c and infback.c +- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer] +- Move declarations of gf2 functions to right place in crc32.c [Oberhumer] +- Add cast in trees.c t avoid a warning [Oberhumer] +- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer] +- Update make_vms.com [Zinser] +- Initialize state->write in inflateReset() since copied in inflate_fast() +- Be more strict on incomplete code sets in inflate_table() and increase + ENOUGH and MAXD -- this repairs a possible security vulnerability for + invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for + discovering the vulnerability and providing test cases +- Add ia64 support to configure for HP-UX [Smith] +- Add error return to gzread() for format or i/o error [Levin] +- Use malloc.h for OS/2 [Necasek] + +Changes in 1.2.2.3 (27 May 2005) +- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile +- Typecast fread() return values in gzio.c [Vollant] +- Remove trailing space in minigzip.c outmode (VC++ can't deal with it) +- Fix crc check bug in gzread() after gzungetc() [Heiner] +- Add the deflateTune() function to adjust internal compression parameters +- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack) +- Remove an incorrect assertion in examples/zpipe.c +- Add C++ wrapper in infback9.h [Donais] +- Fix bug in inflateCopy() when decoding fixed codes +- Note in zlib.h how much deflateSetDictionary() actually uses +- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used) +- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer] +- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer] +- Add gzdirect() function to indicate transparent reads +- Update contrib/minizip [Vollant] +- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer] +- Add casts in crc32.c to avoid warnings [Oberhumer] +- Add contrib/masmx64 [Vollant] +- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant] + +Changes in 1.2.2.2 (30 December 2004) +- Replace structure assignments in deflate.c and inflate.c with zmemcpy to + avoid implicit memcpy calls (portability for no-library compilation) +- Increase sprintf() buffer size in gzdopen() to allow for large numbers +- Add INFLATE_STRICT to check distances against zlib header +- Improve WinCE errno handling and comments [Chang] +- Remove comment about no gzip header processing in FAQ +- Add Z_FIXED strategy option to deflateInit2() to force fixed trees +- Add updated make_vms.com [Coghlan], update README +- Create a new "examples" directory, move gzappend.c there, add zpipe.c, + fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html +- Add FAQ entry and comments in deflate.c on uninitialized memory access +- Add Solaris 9 make options in configure [Gilbert] +- Allow strerror() usage in gzio.c for STDC +- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer] +- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant] +- Use z_off_t for adler32_combine() and crc32_combine() lengths +- Make adler32() much faster for small len +- Use OS_CODE in deflate() default gzip header + +Changes in 1.2.2.1 (31 October 2004) +- Allow inflateSetDictionary() call for raw inflate +- Fix inflate header crc check bug for file names and comments +- Add deflateSetHeader() and gz_header structure for custom gzip headers +- Add inflateGetheader() to retrieve gzip headers +- Add crc32_combine() and adler32_combine() functions +- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list +- Use zstreamp consistently in zlib.h (inflate_back functions) +- Remove GUNZIP condition from definition of inflate_mode in inflate.h + and in contrib/inflate86/inffast.S [Truta, Anderson] +- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson] +- Update projects/README.projects and projects/visualc6 [Truta] +- Update win32/DLL_FAQ.txt [Truta] +- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta] +- Deprecate Z_ASCII; use Z_TEXT instead [Truta] +- Use a new algorithm for setting strm->data_type in trees.c [Truta] +- Do not define an exit() prototype in zutil.c unless DEBUG defined +- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta] +- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate() +- Fix Darwin build version identification [Peterson] + +Changes in 1.2.2 (3 October 2004) +- Update zlib.h comments on gzip in-memory processing +- Set adler to 1 in inflateReset() to support Java test suite [Walles] +- Add contrib/dotzlib [Ravn] +- Update win32/DLL_FAQ.txt [Truta] +- Update contrib/minizip [Vollant] +- Move contrib/visual-basic.txt to old/ [Truta] +- Fix assembler builds in projects/visualc6/ [Truta] + +Changes in 1.2.1.2 (9 September 2004) +- Update INDEX file +- Fix trees.c to update strm->data_type (no one ever noticed!) +- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown] +- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE) +- Add limited multitasking protection to DYNAMIC_CRC_TABLE +- Add NO_vsnprintf for VMS in zutil.h [Mozilla] +- Don't declare strerror() under VMS [Mozilla] +- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize +- Update contrib/ada [Anisimkov] +- Update contrib/minizip [Vollant] +- Fix configure to not hardcode directories for Darwin [Peterson] +- Fix gzio.c to not return error on empty files [Brown] +- Fix indentation; update version in contrib/delphi/ZLib.pas and + contrib/pascal/zlibpas.pas [Truta] +- Update mkasm.bat in contrib/masmx86 [Truta] +- Update contrib/untgz [Truta] +- Add projects/README.projects [Truta] +- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta] +- Update win32/DLL_FAQ.txt [Truta] +- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta] +- Remove an unnecessary assignment to curr in inftrees.c [Truta] +- Add OS/2 to exe builds in configure [Poltorak] +- Remove err dummy parameter in zlib.h [Kientzle] + +Changes in 1.2.1.1 (9 January 2004) +- Update email address in README +- Several FAQ updates +- Fix a big fat bug in inftrees.c that prevented decoding valid + dynamic blocks with only literals and no distance codes -- + Thanks to "Hot Emu" for the bug report and sample file +- Add a note to puff.c on no distance codes case + +Changes in 1.2.1 (17 November 2003) +- Remove a tab in contrib/gzappend/gzappend.c +- Update some interfaces in contrib for new zlib functions +- Update zlib version number in some contrib entries +- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta] +- Support shared libraries on Hurd and KFreeBSD [Brown] +- Fix error in NO_DIVIDE option of adler32.c + +Changes in 1.2.0.8 (4 November 2003) +- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas +- Add experimental NO_DIVIDE #define in adler32.c + - Possibly faster on some processors (let me know if it is) +- Correct Z_BLOCK to not return on first inflate call if no wrap +- Fix strm->data_type on inflate() return to correctly indicate EOB +- Add deflatePrime() function for appending in the middle of a byte +- Add contrib/gzappend for an example of appending to a stream +- Update win32/DLL_FAQ.txt [Truta] +- Delete Turbo C comment in README [Truta] +- Improve some indentation in zconf.h [Truta] +- Fix infinite loop on bad input in configure script [Church] +- Fix gzeof() for concatenated gzip files [Johnson] +- Add example to contrib/visual-basic.txt [Michael B.] +- Add -p to mkdir's in Makefile.in [vda] +- Fix configure to properly detect presence or lack of printf functions +- Add AS400 support [Monnerat] +- Add a little Cygwin support [Wilson] + +Changes in 1.2.0.7 (21 September 2003) +- Correct some debug formats in contrib/infback9 +- Cast a type in a debug statement in trees.c +- Change search and replace delimiter in configure from % to # [Beebe] +- Update contrib/untgz to 0.2 with various fixes [Truta] +- Add build support for Amiga [Nikl] +- Remove some directories in old that have been updated to 1.2 +- Add dylib building for Mac OS X in configure and Makefile.in +- Remove old distribution stuff from Makefile +- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X +- Update links in README + +Changes in 1.2.0.6 (13 September 2003) +- Minor FAQ updates +- Update contrib/minizip to 1.00 [Vollant] +- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta] +- Update POSTINC comment for 68060 [Nikl] +- Add contrib/infback9 with deflate64 decoding (unsupported) +- For MVS define NO_vsnprintf and undefine FAR [van Burik] +- Add pragma for fdopen on MVS [van Burik] + +Changes in 1.2.0.5 (8 September 2003) +- Add OF to inflateBackEnd() declaration in zlib.h +- Remember start when using gzdopen in the middle of a file +- Use internal off_t counters in gz* functions to properly handle seeks +- Perform more rigorous check for distance-too-far in inffast.c +- Add Z_BLOCK flush option to return from inflate at block boundary +- Set strm->data_type on return from inflate + - Indicate bits unused, if at block boundary, and if in last block +- Replace size_t with ptrdiff_t in crc32.c, and check for correct size +- Add condition so old NO_DEFLATE define still works for compatibility +- FAQ update regarding the Windows DLL [Truta] +- INDEX update: add qnx entry, remove aix entry [Truta] +- Install zlib.3 into mandir [Wilson] +- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta] +- Adapt the zlib interface to the new DLL convention guidelines [Truta] +- Introduce ZLIB_WINAPI macro to allow the export of functions using + the WINAPI calling convention, for Visual Basic [Vollant, Truta] +- Update msdos and win32 scripts and makefiles [Truta] +- Export symbols by name, not by ordinal, in win32/zlib.def [Truta] +- Add contrib/ada [Anisimkov] +- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta] +- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant] +- Add contrib/masm686 [Truta] +- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm + [Truta, Vollant] +- Update contrib/delphi; rename to contrib/pascal; add example [Truta] +- Remove contrib/delphi2; add a new contrib/delphi [Truta] +- Avoid inclusion of the nonstandard in contrib/iostream, + and fix some method prototypes [Truta] +- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip + [Truta] +- Avoid the use of backslash (\) in contrib/minizip [Vollant] +- Fix file time handling in contrib/untgz; update makefiles [Truta] +- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines + [Vollant] +- Remove contrib/vstudio/vc15_16 [Vollant] +- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta] +- Update README.contrib [Truta] +- Invert the assignment order of match_head and s->prev[...] in + INSERT_STRING [Truta] +- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings + [Truta] +- Compare function pointers with 0, not with NULL or Z_NULL [Truta] +- Fix prototype of syncsearch in inflate.c [Truta] +- Introduce ASMINF macro to be enabled when using an ASM implementation + of inflate_fast [Truta] +- Change NO_DEFLATE to NO_GZCOMPRESS [Truta] +- Modify test_gzio in example.c to take a single file name as a + parameter [Truta] +- Exit the example.c program if gzopen fails [Truta] +- Add type casts around strlen in example.c [Truta] +- Remove casting to sizeof in minigzip.c; give a proper type + to the variable compared with SUFFIX_LEN [Truta] +- Update definitions of STDC and STDC99 in zconf.h [Truta] +- Synchronize zconf.h with the new Windows DLL interface [Truta] +- Use SYS16BIT instead of __32BIT__ to distinguish between + 16- and 32-bit platforms [Truta] +- Use far memory allocators in small 16-bit memory models for + Turbo C [Truta] +- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in + zlibCompileFlags [Truta] +- Cygwin has vsnprintf [Wilson] +- In Windows16, OS_CODE is 0, as in MSDOS [Truta] +- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson] + +Changes in 1.2.0.4 (10 August 2003) +- Minor FAQ updates +- Be more strict when checking inflateInit2's windowBits parameter +- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well +- Add gzip wrapper option to deflateInit2 using windowBits +- Add updated QNX rule in configure and qnx directory [Bonnefoy] +- Make inflate distance-too-far checks more rigorous +- Clean up FAR usage in inflate +- Add casting to sizeof() in gzio.c and minigzip.c + +Changes in 1.2.0.3 (19 July 2003) +- Fix silly error in gzungetc() implementation [Vollant] +- Update contrib/minizip and contrib/vstudio [Vollant] +- Fix printf format in example.c +- Correct cdecl support in zconf.in.h [Anisimkov] +- Minor FAQ updates + +Changes in 1.2.0.2 (13 July 2003) +- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons +- Attempt to avoid warnings in crc32.c for pointer-int conversion +- Add AIX to configure, remove aix directory [Bakker] +- Add some casts to minigzip.c +- Improve checking after insecure sprintf() or vsprintf() calls +- Remove #elif's from crc32.c +- Change leave label to inf_leave in inflate.c and infback.c to avoid + library conflicts +- Remove inflate gzip decoding by default--only enable gzip decoding by + special request for stricter backward compatibility +- Add zlibCompileFlags() function to return compilation information +- More typecasting in deflate.c to avoid warnings +- Remove leading underscore from _Capital #defines [Truta] +- Fix configure to link shared library when testing +- Add some Windows CE target adjustments [Mai] +- Remove #define ZLIB_DLL in zconf.h [Vollant] +- Add zlib.3 [Rodgers] +- Update RFC URL in deflate.c and algorithm.txt [Mai] +- Add zlib_dll_FAQ.txt to contrib [Truta] +- Add UL to some constants [Truta] +- Update minizip and vstudio [Vollant] +- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h +- Expand use of NO_DUMMY_DECL to avoid all dummy structures +- Added iostream3 to contrib [Schwardt] +- Replace rewind() with fseek() for WinCE [Truta] +- Improve setting of zlib format compression level flags + - Report 0 for huffman and rle strategies and for level == 0 or 1 + - Report 2 only for level == 6 +- Only deal with 64K limit when necessary at compile time [Truta] +- Allow TOO_FAR check to be turned off at compile time [Truta] +- Add gzclearerr() function [Souza] +- Add gzungetc() function + +Changes in 1.2.0.1 (17 March 2003) +- Add Z_RLE strategy for run-length encoding [Truta] + - When Z_RLE requested, restrict matches to distance one + - Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE +- Correct FASTEST compilation to allow level == 0 +- Clean up what gets compiled for FASTEST +- Incorporate changes to zconf.in.h [Vollant] + - Refine detection of Turbo C need for dummy returns + - Refine ZLIB_DLL compilation + - Include additional header file on VMS for off_t typedef +- Try to use _vsnprintf where it supplants vsprintf [Vollant] +- Add some casts in inffast.c +- Enhance comments in zlib.h on what happens if gzprintf() tries to + write more than 4095 bytes before compression +- Remove unused state from inflateBackEnd() +- Remove exit(0) from minigzip.c, example.c +- Get rid of all those darn tabs +- Add "check" target to Makefile.in that does the same thing as "test" +- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in +- Update contrib/inflate86 [Anderson] +- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant] +- Add msdos and win32 directories with makefiles [Truta] +- More additions and improvements to the FAQ + +Changes in 1.2.0 (9 March 2003) +- New and improved inflate code + - About 20% faster + - Does not allocate 32K window unless and until needed + - Automatically detects and decompresses gzip streams + - Raw inflate no longer needs an extra dummy byte at end + - Added inflateBack functions using a callback interface--even faster + than inflate, useful for file utilities (gzip, zip) + - Added inflateCopy() function to record state for random access on + externally generated deflate streams (e.g. in gzip files) + - More readable code (I hope) +- New and improved crc32() + - About 50% faster, thanks to suggestions from Rodney Brown +- Add deflateBound() and compressBound() functions +- Fix memory leak in deflateInit2() +- Permit setting dictionary for raw deflate (for parallel deflate) +- Fix const declaration for gzwrite() +- Check for some malloc() failures in gzio.c +- Fix bug in gzopen() on single-byte file 0x1f +- Fix bug in gzread() on concatenated file with 0x1f at end of buffer + and next buffer doesn't start with 0x8b +- Fix uncompress() to return Z_DATA_ERROR on truncated input +- Free memory at end of example.c +- Remove MAX #define in trees.c (conflicted with some libraries) +- Fix static const's in deflate.c, gzio.c, and zutil.[ch] +- Declare malloc() and free() in gzio.c if STDC not defined +- Use malloc() instead of calloc() in zutil.c if int big enough +- Define STDC for AIX +- Add aix/ with approach for compiling shared library on AIX +- Add HP-UX support for shared libraries in configure +- Add OpenUNIX support for shared libraries in configure +- Use $cc instead of gcc to build shared library +- Make prefix directory if needed when installing +- Correct Macintosh avoidance of typedef Byte in zconf.h +- Correct Turbo C memory allocation when under Linux +- Use libz.a instead of -lz in Makefile (assure use of compiled library) +- Update configure to check for snprintf or vsnprintf functions and their + return value, warn during make if using an insecure function +- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that + is lost when library is used--resolution is to build new zconf.h +- Documentation improvements (in zlib.h): + - Document raw deflate and inflate + - Update RFCs URL + - Point out that zlib and gzip formats are different + - Note that Z_BUF_ERROR is not fatal + - Document string limit for gzprintf() and possible buffer overflow + - Note requirement on avail_out when flushing + - Note permitted values of flush parameter of inflate() +- Add some FAQs (and even answers) to the FAQ +- Add contrib/inflate86/ for x86 faster inflate +- Add contrib/blast/ for PKWare Data Compression Library decompression +- Add contrib/puff/ simple inflate for deflate format description + +Changes in 1.1.4 (11 March 2002) +- ZFREE was repeated on same allocation on some error conditions + This creates a security problem described in + http://www.zlib.org/advisory-2002-03-11.txt +- Returned incorrect error (Z_MEM_ERROR) on some invalid data +- Avoid accesses before window for invalid distances with inflate window + less than 32K +- force windowBits > 8 to avoid a bug in the encoder for a window size + of 256 bytes. (A complete fix will be available in 1.1.5) + +Changes in 1.1.3 (9 July 1998) +- fix "an inflate input buffer bug that shows up on rare but persistent + occasions" (Mark) +- fix gzread and gztell for concatenated .gz files (Didier Le Botlan) +- fix gzseek(..., SEEK_SET) in write mode +- fix crc check after a gzeek (Frank Faubert) +- fix miniunzip when the last entry in a zip file is itself a zip file + (J Lillge) +- add contrib/asm586 and contrib/asm686 (Brian Raiter) + See http://www.muppetlabs.com/~breadbox/software/assembly.html +- add support for Delphi 3 in contrib/delphi (Bob Dellaca) +- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti) +- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren) +- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks) +- added a FAQ file + +- Support gzdopen on Mac with Metrowerks (Jason Linhart) +- Do not redefine Byte on Mac (Brad Pettit & Jason Linhart) +- define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young) +- avoid some warnings with Borland C (Tom Tanner) +- fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant) +- emulate utime() for WIN32 in contrib/untgz (Gilles Vollant) +- allow several arguments to configure (Tim Mooney, Frodo Looijaard) +- use libdir and includedir in Makefile.in (Tim Mooney) +- support shared libraries on OSF1 V4 (Tim Mooney) +- remove so_locations in "make clean" (Tim Mooney) +- fix maketree.c compilation error (Glenn, Mark) +- Python interface to zlib now in Python 1.5 (Jeremy Hylton) +- new Makefile.riscos (Rich Walker) +- initialize static descriptors in trees.c for embedded targets (Nick Smith) +- use "foo-gz" in example.c for RISCOS and VMS (Nick Smith) +- add the OS/2 files in Makefile.in too (Andrew Zabolotny) +- fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane) +- fix maketree.c to allow clean compilation of inffixed.h (Mark) +- fix parameter check in deflateCopy (Gunther Nikl) +- cleanup trees.c, use compressed_len only in debug mode (Christian Spieler) +- Many portability patches by Christian Spieler: + . zutil.c, zutil.h: added "const" for zmem* + . Make_vms.com: fixed some typos + . Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists + . msdos/Makefile.msc: remove "default rtl link library" info from obj files + . msdos/Makefile.*: use model-dependent name for the built zlib library + . msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc: + new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT) +- use define instead of typedef for Bytef also for MSC small/medium (Tom Lane) +- replace __far with _far for better portability (Christian Spieler, Tom Lane) +- fix test for errno.h in configure (Tim Newsham) + +Changes in 1.1.2 (19 March 98) +- added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant) + See http://www.winimage.com/zLibDll/unzip.html +- preinitialize the inflate tables for fixed codes, to make the code + completely thread safe (Mark) +- some simplifications and slight speed-up to the inflate code (Mark) +- fix gzeof on non-compressed files (Allan Schrum) +- add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs) +- use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn) +- added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny) +- add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori) +- do not wrap extern "C" around system includes (Tom Lane) +- mention zlib binding for TCL in README (Andreas Kupries) +- added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert) +- allow "make install prefix=..." even after configure (Glenn Randers-Pehrson) +- allow "configure --prefix $HOME" (Tim Mooney) +- remove warnings in example.c and gzio.c (Glenn Randers-Pehrson) +- move Makefile.sas to amiga/Makefile.sas + +Changes in 1.1.1 (27 Feb 98) +- fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson) +- remove block truncation heuristic which had very marginal effect for zlib + (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the + compression ratio on some files. This also allows inlining _tr_tally for + matches in deflate_slow +- added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) + +Changes in 1.1.0 (24 Feb 98) +- do not return STREAM_END prematurely in inflate (John Bowler) +- revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler) +- compile with -DFASTEST to get compression code optimized for speed only +- in minigzip, try mmap'ing the input file first (Miguel Albrecht) +- increase size of I/O buffers in minigzip.c and gzio.c (not a big gain + on Sun but significant on HP) + +- add a pointer to experimental unzip library in README (Gilles Vollant) +- initialize variable gcc in configure (Chris Herborth) + +Changes in 1.0.9 (17 Feb 1998) +- added gzputs and gzgets functions +- do not clear eof flag in gzseek (Mark Diekhans) +- fix gzseek for files in transparent mode (Mark Diekhans) +- do not assume that vsprintf returns the number of bytes written (Jens Krinke) +- replace EXPORT with ZEXPORT to avoid conflict with other programs +- added compress2 in zconf.h, zlib.def, zlib.dnt +- new asm code from Gilles Vollant in contrib/asm386 +- simplify the inflate code (Mark): + . Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new() + . ZALLOC the length list in inflate_trees_fixed() instead of using stack + . ZALLOC the value area for huft_build() instead of using stack + . Simplify Z_FINISH check in inflate() + +- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 +- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) +- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with + the declaration of FAR (Gilles Vollant) +- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) +- read_buf buf parameter of type Bytef* instead of charf* +- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) +- do not redeclare unlink in minigzip.c for WIN32 (John Bowler) +- fix check for presence of directories in "make install" (Ian Willis) + +Changes in 1.0.8 (27 Jan 1998) +- fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant) +- fix gzgetc and gzputc for big endian systems (Markus Oberhumer) +- added compress2() to allow setting the compression level +- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) +- use constant arrays for the static trees in trees.c instead of computing + them at run time (thanks to Ken Raeburn for this suggestion). To create + trees.h, compile with GEN_TREES_H and run "make test" +- check return code of example in "make test" and display result +- pass minigzip command line options to file_compress +- simplifying code of inflateSync to avoid gcc 2.8 bug + +- support CC="gcc -Wall" in configure -s (QingLong) +- avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn) +- fix test for shared library support to avoid compiler warnings +- zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant) +- check for TARGET_OS_MAC in addition to MACOS (Brad Pettit) +- do not use fdopen for Metrowerks on Mac (Brad Pettit)) +- add checks for gzputc and gzputc in example.c +- avoid warnings in gzio.c and deflate.c (Andreas Kleinert) +- use const for the CRC table (Ken Raeburn) +- fixed "make uninstall" for shared libraries +- use Tracev instead of Trace in infblock.c +- in example.c use correct compressed length for test_sync +- suppress +vnocompatwarnings in configure for HPUX (not always supported) + +Changes in 1.0.7 (20 Jan 1998) +- fix gzseek which was broken in write mode +- return error for gzseek to negative absolute position +- fix configure for Linux (Chun-Chung Chen) +- increase stack space for MSC (Tim Wegner) +- get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant) +- define EXPORTVA for gzprintf (Gilles Vollant) +- added man page zlib.3 (Rick Rodgers) +- for contrib/untgz, fix makedir() and improve Makefile + +- check gzseek in write mode in example.c +- allocate extra buffer for seeks only if gzseek is actually called +- avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant) +- add inflateSyncPoint in zconf.h +- fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def + +Changes in 1.0.6 (19 Jan 1998) +- add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and + gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) +- Fix a deflate bug occurring only with compression level 0 (thanks to + Andy Buckler for finding this one) +- In minigzip, pass transparently also the first byte for .Z files +- return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() +- check Z_FINISH in inflate (thanks to Marc Schluper) +- Implement deflateCopy (thanks to Adam Costello) +- make static libraries by default in configure, add --shared option +- move MSDOS or Windows specific files to directory msdos +- suppress the notion of partial flush to simplify the interface + (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) +- suppress history buffer provided by application to simplify the interface + (this feature was not implemented anyway in 1.0.4) +- next_in and avail_in must be initialized before calling inflateInit or + inflateInit2 +- add EXPORT in all exported functions (for Windows DLL) +- added Makefile.nt (thanks to Stephen Williams) +- added the unsupported "contrib" directory: + contrib/asm386/ by Gilles Vollant + 386 asm code replacing longest_match() + contrib/iostream/ by Kevin Ruland + A C++ I/O streams interface to the zlib gz* functions + contrib/iostream2/ by Tyge Løvset + Another C++ I/O streams interface + contrib/untgz/ by "Pedro A. Aranda Guti\irrez" + A very simple tar.gz file extractor using zlib + contrib/visual-basic.txt by Carlos Rios + How to use compress(), uncompress() and the gz* functions from VB +- pass params -f (filtered data), -h (huffman only), -1 to -9 (compression + level) in minigzip (thanks to Tom Lane) + +- use const for rommable constants in deflate +- added test for gzseek and gztell in example.c +- add undocumented function inflateSyncPoint() (hack for Paul Mackerras) +- add undocumented function zError to convert error code to string + (for Tim Smithers) +- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code +- Use default memcpy for Symantec MSDOS compiler +- Add EXPORT keyword for check_func (needed for Windows DLL) +- add current directory to LD_LIBRARY_PATH for "make test" +- create also a link for libz.so.1 +- added support for FUJITSU UXP/DS (thanks to Toshiaki Nomura) +- use $(SHAREDLIB) instead of libz.so in Makefile.in (for HPUX) +- added -soname for Linux in configure (Chun-Chung Chen, +- assign numbers to the exported functions in zlib.def (for Windows DLL) +- add advice in zlib.h for best usage of deflateSetDictionary +- work around compiler bug on Atari (cast Z_NULL in call of s->checkfn) +- allow compilation with ANSI keywords only enabled for TurboC in large model +- avoid "versionString"[0] (Borland bug) +- add NEED_DUMMY_RETURN for Borland +- use variable z_verbose for tracing in debug mode (L. Peter Deutsch) +- allow compilation with CC +- defined STDC for OS/2 (David Charlap) +- limit external names to 8 chars for MVS (Thomas Lund) +- in minigzip.c, use static buffers only for 16-bit systems +- fix suffix check for "minigzip -d foo.gz" +- do not return an error for the 2nd of two consecutive gzflush() (Felix Lee) +- use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) +- added makelcc.bat for lcc-win32 (Tom St Denis) +- in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) +- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion +- check for unistd.h in configure (for off_t) +- remove useless check parameter in inflate_blocks_free +- avoid useless assignment of s->check to itself in inflate_blocks_new +- do not flush twice in gzclose (thanks to Ken Raeburn) +- rename FOPEN as F_OPEN to avoid clash with /usr/include/sys/file.h +- use NO_ERRNO_H instead of enumeration of operating systems with errno.h +- work around buggy fclose on pipes for HP/UX +- support zlib DLL with BORLAND C++ 5.0 (thanks to Glenn Randers-Pehrson) +- fix configure if CC is already equal to gcc + +Changes in 1.0.5 (3 Jan 98) +- Fix inflate to terminate gracefully when fed corrupted or invalid data +- Use const for rommable constants in inflate +- Eliminate memory leaks on error conditions in inflate +- Removed some vestigial code in inflate +- Update web address in README + +Changes in 1.0.4 (24 Jul 96) +- In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF + bit, so the decompressor could decompress all the correct data but went + on to attempt decompressing extra garbage data. This affected minigzip too +- zlibVersion and gzerror return const char* (needed for DLL) +- port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) +- use z_error only for DEBUG (avoid problem with DLLs) + +Changes in 1.0.3 (2 Jul 96) +- use z_streamp instead of z_stream *, which is now a far pointer in MSDOS + small and medium models; this makes the library incompatible with previous + versions for these models. (No effect in large model or on other systems.) +- return OK instead of BUF_ERROR if previous deflate call returned with + avail_out as zero but there is nothing to do +- added memcmp for non STDC compilers +- define NO_DUMMY_DECL for more Mac compilers (.h files merged incorrectly) +- define __32BIT__ if __386__ or i386 is defined (pb. with Watcom and SCO) +- better check for 16-bit mode MSC (avoids problem with Symantec) + +Changes in 1.0.2 (23 May 96) +- added Windows DLL support +- added a function zlibVersion (for the DLL support) +- fixed declarations using Bytef in infutil.c (pb with MSDOS medium model) +- Bytef is define's instead of typedef'd only for Borland C +- avoid reading uninitialized memory in example.c +- mention in README that the zlib format is now RFC1950 +- updated Makefile.dj2 +- added algorithm.doc + +Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion] +- fix array overlay in deflate.c which sometimes caused bad compressed data +- fix inflate bug with empty stored block +- fix MSDOS medium model which was broken in 0.99 +- fix deflateParams() which could generate bad compressed data +- Bytef is define'd instead of typedef'ed (work around Borland bug) +- added an INDEX file +- new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), + Watcom (Makefile.wat), Amiga SAS/C (Makefile.sas) +- speed up adler32 for modern machines without auto-increment +- added -ansi for IRIX in configure +- static_init_done in trees.c is an int +- define unlink as delete for VMS +- fix configure for QNX +- add configure branch for SCO and HPUX +- avoid many warnings (unused variables, dead assignments, etc...) +- no fdopen for BeOS +- fix the Watcom fix for 32 bit mode (define FAR as empty) +- removed redefinition of Byte for MKWERKS +- work around an MWKERKS bug (incorrect merge of all .h files) + +Changes in 0.99 (27 Jan 96) +- allow preset dictionary shared between compressor and decompressor +- allow compression level 0 (no compression) +- add deflateParams in zlib.h: allow dynamic change of compression level + and compression strategy +- test large buffers and deflateParams in example.c +- add optional "configure" to build zlib as a shared library +- suppress Makefile.qnx, use configure instead +- fixed deflate for 64-bit systems (detected on Cray) +- fixed inflate_blocks for 64-bit systems (detected on Alpha) +- declare Z_DEFLATED in zlib.h (possible parameter for deflateInit2) +- always return Z_BUF_ERROR when deflate() has nothing to do +- deflateInit and inflateInit are now macros to allow version checking +- prefix all global functions and types with z_ with -DZ_PREFIX +- make falloc completely reentrant (inftrees.c) +- fixed very unlikely race condition in ct_static_init +- free in reverse order of allocation to help memory manager +- use zlib-1.0/* instead of zlib/* inside the tar.gz +- make zlib warning-free with "gcc -O3 -Wall -Wwrite-strings -Wpointer-arith + -Wconversion -Wstrict-prototypes -Wmissing-prototypes" +- allow gzread on concatenated .gz files +- deflateEnd now returns Z_DATA_ERROR if it was premature +- deflate is finally (?) fully deterministic (no matches beyond end of input) +- Document Z_SYNC_FLUSH +- add uninstall in Makefile +- Check for __cpluplus in zlib.h +- Better test in ct_align for partial flush +- avoid harmless warnings for Borland C++ +- initialize hash_head in deflate.c +- avoid warning on fdopen (gzio.c) for HP cc -Aa +- include stdlib.h for STDC compilers +- include errno.h for Cray +- ignore error if ranlib doesn't exist +- call ranlib twice for NeXTSTEP +- use exec_prefix instead of prefix for libz.a +- renamed ct_* as _tr_* to avoid conflict with applications +- clear z->msg in inflateInit2 before any error return +- initialize opaque in example.c, gzio.c, deflate.c and inflate.c +- fixed typo in zconf.h (_GNUC__ => __GNUC__) +- check for WIN32 in zconf.h and zutil.c (avoid farmalloc in 32-bit mode) +- fix typo in Make_vms.com (f$trnlnm -> f$getsyi) +- in fcalloc, normalize pointer if size > 65520 bytes +- don't use special fcalloc for 32 bit Borland C++ +- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc... +- use Z_BINARY instead of BINARY +- document that gzclose after gzdopen will close the file +- allow "a" as mode in gzopen +- fix error checking in gzread +- allow skipping .gz extra-field on pipes +- added reference to Perl interface in README +- put the crc table in FAR data (I dislike more and more the medium model :) +- added get_crc_table +- added a dimension to all arrays (Borland C can't count) +- workaround Borland C bug in declaration of inflate_codes_new & inflate_fast +- guard against multiple inclusion of *.h (for precompiled header on Mac) +- Watcom C pretends to be Microsoft C small model even in 32 bit mode +- don't use unsized arrays to avoid silly warnings by Visual C++: + warning C4746: 'inflate_mask' : unsized array treated as '__far' + (what's wrong with far data in far model?) +- define enum out of inflate_blocks_state to allow compilation with C++ + +Changes in 0.95 (16 Aug 95) +- fix MSDOS small and medium model (now easier to adapt to any compiler) +- inlined send_bits +- fix the final (:-) bug for deflate with flush (output was correct but + not completely flushed in rare occasions) +- default window size is same for compression and decompression + (it's now sufficient to set MAX_WBITS in zconf.h) +- voidp -> voidpf and voidnp -> voidp (for consistency with other + typedefs and because voidnp was not near in large model) + +Changes in 0.94 (13 Aug 95) +- support MSDOS medium model +- fix deflate with flush (could sometimes generate bad output) +- fix deflateReset (zlib header was incorrectly suppressed) +- added support for VMS +- allow a compression level in gzopen() +- gzflush now calls fflush +- For deflate with flush, flush even if no more input is provided +- rename libgz.a as libz.a +- avoid complex expression in infcodes.c triggering Turbo C bug +- work around a problem with gcc on Alpha (in INSERT_STRING) +- don't use inline functions (problem with some gcc versions) +- allow renaming of Byte, uInt, etc... with #define +- avoid warning about (unused) pointer before start of array in deflate.c +- avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c +- avoid reserved word 'new' in trees.c + +Changes in 0.93 (25 June 95) +- temporarily disable inline functions +- make deflate deterministic +- give enough lookahead for PARTIAL_FLUSH +- Set binary mode for stdin/stdout in minigzip.c for OS/2 +- don't even use signed char in inflate (not portable enough) +- fix inflate memory leak for segmented architectures + +Changes in 0.92 (3 May 95) +- don't assume that char is signed (problem on SGI) +- Clear bit buffer when starting a stored block +- no memcpy on Pyramid +- suppressed inftest.c +- optimized fill_window, put longest_match inline for gcc +- optimized inflate on stored blocks +- untabify all sources to simplify patches + +Changes in 0.91 (2 May 95) +- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h +- Document the memory requirements in zconf.h +- added "make install" +- fix sync search logic in inflateSync +- deflate(Z_FULL_FLUSH) now works even if output buffer too short +- after inflateSync, don't scare people with just "lo world" +- added support for DJGPP + +Changes in 0.9 (1 May 95) +- don't assume that zalloc clears the allocated memory (the TurboC bug + was Mark's bug after all :) +- let again gzread copy uncompressed data unchanged (was working in 0.71) +- deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented +- added a test of inflateSync in example.c +- moved MAX_WBITS to zconf.h because users might want to change that +- document explicitly that zalloc(64K) on MSDOS must return a normalized + pointer (zero offset) +- added Makefiles for Microsoft C, Turbo C, Borland C++ +- faster crc32() + +Changes in 0.8 (29 April 95) +- added fast inflate (inffast.c) +- deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this + is incompatible with previous versions of zlib which returned Z_OK +- work around a TurboC compiler bug (bad code for b << 0, see infutil.h) + (actually that was not a compiler bug, see 0.81 above) +- gzread no longer reads one extra byte in certain cases +- In gzio destroy(), don't reference a freed structure +- avoid many warnings for MSDOS +- avoid the ERROR symbol which is used by MS Windows + +Changes in 0.71 (14 April 95) +- Fixed more MSDOS compilation problems :( There is still a bug with + TurboC large model + +Changes in 0.7 (14 April 95) +- Added full inflate support +- Simplified the crc32() interface. The pre- and post-conditioning + (one's complement) is now done inside crc32(). WARNING: this is + incompatible with previous versions; see zlib.h for the new usage + +Changes in 0.61 (12 April 95) +- workaround for a bug in TurboC. example and minigzip now work on MSDOS + +Changes in 0.6 (11 April 95) +- added minigzip.c +- added gzdopen to reopen a file descriptor as gzFile +- added transparent reading of non-gziped files in gzread +- fixed bug in gzread (don't read crc as data) +- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose) +- don't allocate big arrays in the stack (for MSDOS) +- fix some MSDOS compilation problems + +Changes in 0.5: +- do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but + not yet Z_FULL_FLUSH +- support decompression but only in a single step (forced Z_FINISH) +- added opaque object for zalloc and zfree +- added deflateReset and inflateReset +- added a variable zlib_version for consistency checking +- renamed the 'filter' parameter of deflateInit2 as 'strategy' + Added Z_FILTERED and Z_HUFFMAN_ONLY constants + +Changes in 0.4: +- avoid "zip" everywhere, use zlib instead of ziplib +- suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush + if compression method == 8 +- added adler32 and crc32 +- renamed deflateOptions as deflateInit2, call one or the other but not both +- added the method parameter for deflateInit2 +- added inflateInit2 +- simplified considerably deflateInit and inflateInit by not supporting + user-provided history buffer. This is supported only in deflateInit2 + and inflateInit2 + +Changes in 0.3: +- prefix all macro names with Z_ +- use Z_FINISH instead of deflateEnd to finish compression +- added Z_HUFFMAN_ONLY +- added gzerror() diff --git a/FAQ b/FAQ new file mode 100644 index 0000000..99b7cf9 --- /dev/null +++ b/FAQ @@ -0,0 +1,368 @@ + + Frequently Asked Questions about zlib + + +If your question is not there, please check the zlib home page +http://zlib.net/ which may have more recent information. +The lastest zlib FAQ is at http://zlib.net/zlib_faq.html + + + 1. Is zlib Y2K-compliant? + + Yes. zlib doesn't handle dates. + + 2. Where can I get a Windows DLL version? + + The zlib sources can be compiled without change to produce a DLL. See the + file win32/DLL_FAQ.txt in the zlib distribution. Pointers to the + precompiled DLL are found in the zlib web site at http://zlib.net/ . + + 3. Where can I get a Visual Basic interface to zlib? + + See + * http://marknelson.us/1997/01/01/zlib-engine/ + * win32/DLL_FAQ.txt in the zlib distribution + + 4. compress() returns Z_BUF_ERROR. + + Make sure that before the call of compress(), the length of the compressed + buffer is equal to the available size of the compressed buffer and not + zero. For Visual Basic, check that this parameter is passed by reference + ("as any"), not by value ("as long"). + + 5. deflate() or inflate() returns Z_BUF_ERROR. + + Before making the call, make sure that avail_in and avail_out are not zero. + When setting the parameter flush equal to Z_FINISH, also make sure that + avail_out is big enough to allow processing all pending input. Note that a + Z_BUF_ERROR is not fatal--another call to deflate() or inflate() can be + made with more input or output space. A Z_BUF_ERROR may in fact be + unavoidable depending on how the functions are used, since it is not + possible to tell whether or not there is more output pending when + strm.avail_out returns with zero. See http://zlib.net/zlib_how.html for a + heavily annotated example. + + 6. Where's the zlib documentation (man pages, etc.)? + + It's in zlib.h . Examples of zlib usage are in the files test/example.c + and test/minigzip.c, with more in examples/ . + + 7. Why don't you use GNU autoconf or libtool or ...? + + Because we would like to keep zlib as a very small and simple package. + zlib is rather portable and doesn't need much configuration. + + 8. I found a bug in zlib. + + Most of the time, such problems are due to an incorrect usage of zlib. + Please try to reproduce the problem with a small program and send the + corresponding source to us at zlib@gzip.org . Do not send multi-megabyte + data files without prior agreement. + + 9. Why do I get "undefined reference to gzputc"? + + If "make test" produces something like + + example.o(.text+0x154): undefined reference to `gzputc' + + check that you don't have old files libz.* in /usr/lib, /usr/local/lib or + /usr/X11R6/lib. Remove any old versions, then do "make install". + +10. I need a Delphi interface to zlib. + + See the contrib/delphi directory in the zlib distribution. + +11. Can zlib handle .zip archives? + + Not by itself, no. See the directory contrib/minizip in the zlib + distribution. + +12. Can zlib handle .Z files? + + No, sorry. You have to spawn an uncompress or gunzip subprocess, or adapt + the code of uncompress on your own. + +13. How can I make a Unix shared library? + + By default a shared (and a static) library is built for Unix. So: + + make distclean + ./configure + make + +14. How do I install a shared zlib library on Unix? + + After the above, then: + + make install + + However, many flavors of Unix come with a shared zlib already installed. + Before going to the trouble of compiling a shared version of zlib and + trying to install it, you may want to check if it's already there! If you + can #include , it's there. The -lz option will probably link to + it. You can check the version at the top of zlib.h or with the + ZLIB_VERSION symbol defined in zlib.h . + +15. I have a question about OttoPDF. + + We are not the authors of OttoPDF. The real author is on the OttoPDF web + site: Joel Hainley, jhainley@myndkryme.com. + +16. Can zlib decode Flate data in an Adobe PDF file? + + Yes. See http://www.pdflib.com/ . To modify PDF forms, see + http://sourceforge.net/projects/acroformtool/ . + +17. Why am I getting this "register_frame_info not found" error on Solaris? + + After installing zlib 1.1.4 on Solaris 2.6, running applications using zlib + generates an error such as: + + ld.so.1: rpm: fatal: relocation error: file /usr/local/lib/libz.so: + symbol __register_frame_info: referenced symbol not found + + The symbol __register_frame_info is not part of zlib, it is generated by + the C compiler (cc or gcc). You must recompile applications using zlib + which have this problem. This problem is specific to Solaris. See + http://www.sunfreeware.com for Solaris versions of zlib and applications + using zlib. + +18. Why does gzip give an error on a file I make with compress/deflate? + + The compress and deflate functions produce data in the zlib format, which + is different and incompatible with the gzip format. The gz* functions in + zlib on the other hand use the gzip format. Both the zlib and gzip formats + use the same compressed data format internally, but have different headers + and trailers around the compressed data. + +19. Ok, so why are there two different formats? + + The gzip format was designed to retain the directory information about a + single file, such as the name and last modification date. The zlib format + on the other hand was designed for in-memory and communication channel + applications, and has a much more compact header and trailer and uses a + faster integrity check than gzip. + +20. Well that's nice, but how do I make a gzip file in memory? + + You can request that deflate write the gzip format instead of the zlib + format using deflateInit2(). You can also request that inflate decode the + gzip format using inflateInit2(). Read zlib.h for more details. + +21. Is zlib thread-safe? + + Yes. However any library routines that zlib uses and any application- + provided memory allocation routines must also be thread-safe. zlib's gz* + functions use stdio library routines, and most of zlib's functions use the + library memory allocation routines by default. zlib's *Init* functions + allow for the application to provide custom memory allocation routines. + + Of course, you should only operate on any given zlib or gzip stream from a + single thread at a time. + +22. Can I use zlib in my commercial application? + + Yes. Please read the license in zlib.h. + +23. Is zlib under the GNU license? + + No. Please read the license in zlib.h. + +24. The license says that altered source versions must be "plainly marked". So + what exactly do I need to do to meet that requirement? + + You need to change the ZLIB_VERSION and ZLIB_VERNUM #defines in zlib.h. In + particular, the final version number needs to be changed to "f", and an + identification string should be appended to ZLIB_VERSION. Version numbers + x.x.x.f are reserved for modifications to zlib by others than the zlib + maintainers. For example, if the version of the base zlib you are altering + is "1.2.3.4", then in zlib.h you should change ZLIB_VERNUM to 0x123f, and + ZLIB_VERSION to something like "1.2.3.f-zachary-mods-v3". You can also + update the version strings in deflate.c and inftrees.c. + + For altered source distributions, you should also note the origin and + nature of the changes in zlib.h, as well as in ChangeLog and README, along + with the dates of the alterations. The origin should include at least your + name (or your company's name), and an email address to contact for help or + issues with the library. + + Note that distributing a compiled zlib library along with zlib.h and + zconf.h is also a source distribution, and so you should change + ZLIB_VERSION and ZLIB_VERNUM and note the origin and nature of the changes + in zlib.h as you would for a full source distribution. + +25. Will zlib work on a big-endian or little-endian architecture, and can I + exchange compressed data between them? + + Yes and yes. + +26. Will zlib work on a 64-bit machine? + + Yes. It has been tested on 64-bit machines, and has no dependence on any + data types being limited to 32-bits in length. If you have any + difficulties, please provide a complete problem report to zlib@gzip.org + +27. Will zlib decompress data from the PKWare Data Compression Library? + + No. The PKWare DCL uses a completely different compressed data format than + does PKZIP and zlib. However, you can look in zlib's contrib/blast + directory for a possible solution to your problem. + +28. Can I access data randomly in a compressed stream? + + No, not without some preparation. If when compressing you periodically use + Z_FULL_FLUSH, carefully write all the pending data at those points, and + keep an index of those locations, then you can start decompression at those + points. You have to be careful to not use Z_FULL_FLUSH too often, since it + can significantly degrade compression. Alternatively, you can scan a + deflate stream once to generate an index, and then use that index for + random access. See examples/zran.c . + +29. Does zlib work on MVS, OS/390, CICS, etc.? + + It has in the past, but we have not heard of any recent evidence. There + were working ports of zlib 1.1.4 to MVS, but those links no longer work. + If you know of recent, successful applications of zlib on these operating + systems, please let us know. Thanks. + +30. Is there some simpler, easier to read version of inflate I can look at to + understand the deflate format? + + First off, you should read RFC 1951. Second, yes. Look in zlib's + contrib/puff directory. + +31. Does zlib infringe on any patents? + + As far as we know, no. In fact, that was originally the whole point behind + zlib. Look here for some more information: + + http://www.gzip.org/#faq11 + +32. Can zlib work with greater than 4 GB of data? + + Yes. inflate() and deflate() will process any amount of data correctly. + Each call of inflate() or deflate() is limited to input and output chunks + of the maximum value that can be stored in the compiler's "unsigned int" + type, but there is no limit to the number of chunks. Note however that the + strm.total_in and strm_total_out counters may be limited to 4 GB. These + counters are provided as a convenience and are not used internally by + inflate() or deflate(). The application can easily set up its own counters + updated after each call of inflate() or deflate() to count beyond 4 GB. + compress() and uncompress() may be limited to 4 GB, since they operate in a + single call. gzseek() and gztell() may be limited to 4 GB depending on how + zlib is compiled. See the zlibCompileFlags() function in zlib.h. + + The word "may" appears several times above since there is a 4 GB limit only + if the compiler's "long" type is 32 bits. If the compiler's "long" type is + 64 bits, then the limit is 16 exabytes. + +33. Does zlib have any security vulnerabilities? + + The only one that we are aware of is potentially in gzprintf(). If zlib is + compiled to use sprintf() or vsprintf(), then there is no protection + against a buffer overflow of an 8K string space (or other value as set by + gzbuffer()), other than the caller of gzprintf() assuring that the output + will not exceed 8K. On the other hand, if zlib is compiled to use + snprintf() or vsnprintf(), which should normally be the case, then there is + no vulnerability. The ./configure script will display warnings if an + insecure variation of sprintf() will be used by gzprintf(). Also the + zlibCompileFlags() function will return information on what variant of + sprintf() is used by gzprintf(). + + If you don't have snprintf() or vsnprintf() and would like one, you can + find a portable implementation here: + + http://www.ijs.si/software/snprintf/ + + Note that you should be using the most recent version of zlib. Versions + 1.1.3 and before were subject to a double-free vulnerability, and versions + 1.2.1 and 1.2.2 were subject to an access exception when decompressing + invalid compressed data. + +34. Is there a Java version of zlib? + + Probably what you want is to use zlib in Java. zlib is already included + as part of the Java SDK in the java.util.zip package. If you really want + a version of zlib written in the Java language, look on the zlib home + page for links: http://zlib.net/ . + +35. I get this or that compiler or source-code scanner warning when I crank it + up to maximally-pedantic. Can't you guys write proper code? + + Many years ago, we gave up attempting to avoid warnings on every compiler + in the universe. It just got to be a waste of time, and some compilers + were downright silly as well as contradicted each other. So now, we simply + make sure that the code always works. + +36. Valgrind (or some similar memory access checker) says that deflate is + performing a conditional jump that depends on an uninitialized value. + Isn't that a bug? + + No. That is intentional for performance reasons, and the output of deflate + is not affected. This only started showing up recently since zlib 1.2.x + uses malloc() by default for allocations, whereas earlier versions used + calloc(), which zeros out the allocated memory. Even though the code was + correct, versions 1.2.4 and later was changed to not stimulate these + checkers. + +37. Will zlib read the (insert any ancient or arcane format here) compressed + data format? + + Probably not. Look in the comp.compression FAQ for pointers to various + formats and associated software. + +38. How can I encrypt/decrypt zip files with zlib? + + zlib doesn't support encryption. The original PKZIP encryption is very + weak and can be broken with freely available programs. To get strong + encryption, use GnuPG, http://www.gnupg.org/ , which already includes zlib + compression. For PKZIP compatible "encryption", look at + http://www.info-zip.org/ + +39. What's the difference between the "gzip" and "deflate" HTTP 1.1 encodings? + + "gzip" is the gzip format, and "deflate" is the zlib format. They should + probably have called the second one "zlib" instead to avoid confusion with + the raw deflate compressed data format. While the HTTP 1.1 RFC 2616 + correctly points to the zlib specification in RFC 1950 for the "deflate" + transfer encoding, there have been reports of servers and browsers that + incorrectly produce or expect raw deflate data per the deflate + specification in RFC 1951, most notably Microsoft. So even though the + "deflate" transfer encoding using the zlib format would be the more + efficient approach (and in fact exactly what the zlib format was designed + for), using the "gzip" transfer encoding is probably more reliable due to + an unfortunate choice of name on the part of the HTTP 1.1 authors. + + Bottom line: use the gzip format for HTTP 1.1 encoding. + +40. Does zlib support the new "Deflate64" format introduced by PKWare? + + No. PKWare has apparently decided to keep that format proprietary, since + they have not documented it as they have previous compression formats. In + any case, the compression improvements are so modest compared to other more + modern approaches, that it's not worth the effort to implement. + +41. I'm having a problem with the zip functions in zlib, can you help? + + There are no zip functions in zlib. You are probably using minizip by + Giles Vollant, which is found in the contrib directory of zlib. It is not + part of zlib. In fact none of the stuff in contrib is part of zlib. The + files in there are not supported by the zlib authors. You need to contact + the authors of the respective contribution for help. + +42. The match.asm code in contrib is under the GNU General Public License. + Since it's part of zlib, doesn't that mean that all of zlib falls under the + GNU GPL? + + No. The files in contrib are not part of zlib. They were contributed by + other authors and are provided as a convenience to the user within the zlib + distribution. Each item in contrib has its own license. + +43. Is zlib subject to export controls? What is its ECCN? + + zlib is not subject to export controls, and so is classified as EAR99. + +44. Can you please sign these lengthy legal documents and fax them back to us + so that we can use your software in our product? + + No. Go away. Shoo. diff --git a/INDEX b/INDEX new file mode 100644 index 0000000..2ba0641 --- /dev/null +++ b/INDEX @@ -0,0 +1,68 @@ +CMakeLists.txt cmake build file +ChangeLog history of changes +FAQ Frequently Asked Questions about zlib +INDEX this file +Makefile dummy Makefile that tells you to ./configure +Makefile.in template for Unix Makefile +README guess what +configure configure script for Unix +make_vms.com makefile for VMS +test/example.c zlib usages examples for build testing +test/minigzip.c minimal gzip-like functionality for build testing +test/infcover.c inf*.c code coverage for build coverage testing +treebuild.xml XML description of source file dependencies +zconf.h.cmakein zconf.h template for cmake +zconf.h.in zconf.h template for configure +zlib.3 Man page for zlib +zlib.3.pdf Man page in PDF format +zlib.map Linux symbol information +zlib.pc.in Template for pkg-config descriptor +zlib.pc.cmakein zlib.pc template for cmake +zlib2ansi perl script to convert source files for C++ compilation + +amiga/ makefiles for Amiga SAS C +as400/ makefiles for AS/400 +doc/ documentation for formats and algorithms +msdos/ makefiles for MSDOS +nintendods/ makefile for Nintendo DS +old/ makefiles for various architectures and zlib documentation + files that have not yet been updated for zlib 1.2.x +qnx/ makefiles for QNX +watcom/ makefiles for OpenWatcom +win32/ makefiles for Windows + + zlib public header files (required for library use): +zconf.h +zlib.h + + private source files used to build the zlib library: +adler32.c +compress.c +crc32.c +crc32.h +deflate.c +deflate.h +gzclose.c +gzguts.h +gzlib.c +gzread.c +gzwrite.c +infback.c +inffast.c +inffast.h +inffixed.h +inflate.c +inflate.h +inftrees.c +inftrees.h +trees.c +trees.h +uncompr.c +zutil.c +zutil.h + + source files for sample programs +See examples/README.examples + + unsupported contributions by third parties +See contrib/README.contrib diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..ab8ee6f --- /dev/null +++ b/LICENSE @@ -0,0 +1,22 @@ +Copyright notice: + + (C) 1995-2022 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..6bba86c --- /dev/null +++ b/Makefile @@ -0,0 +1,5 @@ +all: + -@echo "Please use ./configure first. Thank you." + +distclean: + make -f Makefile.in distclean diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..7d2713f --- /dev/null +++ b/Makefile.in @@ -0,0 +1,404 @@ +# Makefile for zlib +# Copyright (C) 1995-2017 Jean-loup Gailly, Mark Adler +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile and test, type: +# ./configure; make test +# Normally configure builds both a static and a shared library. +# If you want to build just a static library, use: ./configure --static + +# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type: +# make install +# To install in $HOME instead of /usr/local, use: +# make install prefix=$HOME + +CC=cc + +CFLAGS=-O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-g -DZLIB_DEBUG +#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ +# -Wstrict-prototypes -Wmissing-prototypes + +SFLAGS=-O +LDFLAGS= +TEST_LDFLAGS=$(LDFLAGS) -L. libz.a +LDSHARED=$(CC) +CPP=$(CC) -E + +STATICLIB=libz.a +SHAREDLIB=libz.so +SHAREDLIBV=libz.so.1.2.13 +SHAREDLIBM=libz.so.1 +LIBS=$(STATICLIB) $(SHAREDLIBV) + +AR=ar +ARFLAGS=rc +RANLIB=ranlib +LDCONFIG=ldconfig +LDSHAREDLIBC=-lc +TAR=tar +SHELL=/bin/sh +EXE= + +prefix = /usr/local +exec_prefix = ${prefix} +libdir = ${exec_prefix}/lib +sharedlibdir = ${libdir} +includedir = ${prefix}/include +mandir = ${prefix}/share/man +man3dir = ${mandir}/man3 +pkgconfigdir = ${libdir}/pkgconfig +SRCDIR= +ZINC= +ZINCOUT=-I. + +OBJZ = adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o +OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o +OBJC = $(OBJZ) $(OBJG) + +PIC_OBJZ = adler32.lo crc32.lo deflate.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo zutil.lo +PIC_OBJG = compress.lo uncompr.lo gzclose.lo gzlib.lo gzread.lo gzwrite.lo +PIC_OBJC = $(PIC_OBJZ) $(PIC_OBJG) + +# to use the asm code: make OBJA=match.o, PIC_OBJA=match.lo +OBJA = +PIC_OBJA = + +OBJS = $(OBJC) $(OBJA) + +PIC_OBJS = $(PIC_OBJC) $(PIC_OBJA) + +all: static shared + +static: example$(EXE) minigzip$(EXE) + +shared: examplesh$(EXE) minigzipsh$(EXE) + +all64: example64$(EXE) minigzip64$(EXE) + +check: test + +test: all teststatic testshared + +teststatic: static + @TMPST=tmpst_$$; \ + if echo hello world | ${QEMU_RUN} ./minigzip | ${QEMU_RUN} ./minigzip -d && ${QEMU_RUN} ./example $$TMPST ; then \ + echo ' *** zlib test OK ***'; \ + else \ + echo ' *** zlib test FAILED ***'; false; \ + fi + @rm -f tmpst_$$ + +testshared: shared + @LD_LIBRARY_PATH=`pwd`:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \ + LD_LIBRARYN32_PATH=`pwd`:$(LD_LIBRARYN32_PATH) ; export LD_LIBRARYN32_PATH; \ + DYLD_LIBRARY_PATH=`pwd`:$(DYLD_LIBRARY_PATH) ; export DYLD_LIBRARY_PATH; \ + SHLIB_PATH=`pwd`:$(SHLIB_PATH) ; export SHLIB_PATH; \ + TMPSH=tmpsh_$$; \ + if echo hello world | ${QEMU_RUN} ./minigzipsh | ${QEMU_RUN} ./minigzipsh -d && ${QEMU_RUN} ./examplesh $$TMPSH; then \ + echo ' *** zlib shared test OK ***'; \ + else \ + echo ' *** zlib shared test FAILED ***'; false; \ + fi + @rm -f tmpsh_$$ + +test64: all64 + @TMP64=tmp64_$$; \ + if echo hello world | ${QEMU_RUN} ./minigzip64 | ${QEMU_RUN} ./minigzip64 -d && ${QEMU_RUN} ./example64 $$TMP64; then \ + echo ' *** zlib 64-bit test OK ***'; \ + else \ + echo ' *** zlib 64-bit test FAILED ***'; false; \ + fi + @rm -f tmp64_$$ + +infcover.o: $(SRCDIR)test/infcover.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/infcover.c + +infcover: infcover.o libz.a + $(CC) $(CFLAGS) -o $@ infcover.o libz.a + +cover: infcover + rm -f *.gcda + ${QEMU_RUN} ./infcover + gcov inf*.c + +libz.a: $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + -@ ($(RANLIB) $@ || true) >/dev/null 2>&1 + +match.o: match.S + $(CPP) match.S > _match.s + $(CC) -c _match.s + mv _match.o match.o + rm -f _match.s + +match.lo: match.S + $(CPP) match.S > _match.s + $(CC) -c -fPIC _match.s + mv _match.o match.lo + rm -f _match.s + +example.o: $(SRCDIR)test/example.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/example.c + +minigzip.o: $(SRCDIR)test/minigzip.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/minigzip.c + +example64.o: $(SRCDIR)test/example.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -D_FILE_OFFSET_BITS=64 -c -o $@ $(SRCDIR)test/example.c + +minigzip64.o: $(SRCDIR)test/minigzip.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -D_FILE_OFFSET_BITS=64 -c -o $@ $(SRCDIR)test/minigzip.c + + +adler32.o: $(SRCDIR)adler32.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)adler32.c + +crc32.o: $(SRCDIR)crc32.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)crc32.c + +deflate.o: $(SRCDIR)deflate.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)deflate.c + +infback.o: $(SRCDIR)infback.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)infback.c + +inffast.o: $(SRCDIR)inffast.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)inffast.c + +inflate.o: $(SRCDIR)inflate.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)inflate.c + +inftrees.o: $(SRCDIR)inftrees.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)inftrees.c + +trees.o: $(SRCDIR)trees.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)trees.c + +zutil.o: $(SRCDIR)zutil.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)zutil.c + +compress.o: $(SRCDIR)compress.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)compress.c + +uncompr.o: $(SRCDIR)uncompr.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)uncompr.c + +gzclose.o: $(SRCDIR)gzclose.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)gzclose.c + +gzlib.o: $(SRCDIR)gzlib.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)gzlib.c + +gzread.o: $(SRCDIR)gzread.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)gzread.c + +gzwrite.o: $(SRCDIR)gzwrite.c + $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)gzwrite.c + + +adler32.lo: $(SRCDIR)adler32.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/adler32.o $(SRCDIR)adler32.c + -@mv objs/adler32.o $@ + +crc32.lo: $(SRCDIR)crc32.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/crc32.o $(SRCDIR)crc32.c + -@mv objs/crc32.o $@ + +deflate.lo: $(SRCDIR)deflate.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/deflate.o $(SRCDIR)deflate.c + -@mv objs/deflate.o $@ + +infback.lo: $(SRCDIR)infback.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/infback.o $(SRCDIR)infback.c + -@mv objs/infback.o $@ + +inffast.lo: $(SRCDIR)inffast.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/inffast.o $(SRCDIR)inffast.c + -@mv objs/inffast.o $@ + +inflate.lo: $(SRCDIR)inflate.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/inflate.o $(SRCDIR)inflate.c + -@mv objs/inflate.o $@ + +inftrees.lo: $(SRCDIR)inftrees.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/inftrees.o $(SRCDIR)inftrees.c + -@mv objs/inftrees.o $@ + +trees.lo: $(SRCDIR)trees.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/trees.o $(SRCDIR)trees.c + -@mv objs/trees.o $@ + +zutil.lo: $(SRCDIR)zutil.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/zutil.o $(SRCDIR)zutil.c + -@mv objs/zutil.o $@ + +compress.lo: $(SRCDIR)compress.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/compress.o $(SRCDIR)compress.c + -@mv objs/compress.o $@ + +uncompr.lo: $(SRCDIR)uncompr.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/uncompr.o $(SRCDIR)uncompr.c + -@mv objs/uncompr.o $@ + +gzclose.lo: $(SRCDIR)gzclose.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/gzclose.o $(SRCDIR)gzclose.c + -@mv objs/gzclose.o $@ + +gzlib.lo: $(SRCDIR)gzlib.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/gzlib.o $(SRCDIR)gzlib.c + -@mv objs/gzlib.o $@ + +gzread.lo: $(SRCDIR)gzread.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/gzread.o $(SRCDIR)gzread.c + -@mv objs/gzread.o $@ + +gzwrite.lo: $(SRCDIR)gzwrite.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/gzwrite.o $(SRCDIR)gzwrite.c + -@mv objs/gzwrite.o $@ + + +placebo $(SHAREDLIBV): $(PIC_OBJS) libz.a + $(LDSHARED) $(SFLAGS) -o $@ $(PIC_OBJS) $(LDSHAREDLIBC) $(LDFLAGS) + rm -f $(SHAREDLIB) $(SHAREDLIBM) + ln -s $@ $(SHAREDLIB) + ln -s $@ $(SHAREDLIBM) + -@rmdir objs + +example$(EXE): example.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ example.o $(TEST_LDFLAGS) + +minigzip$(EXE): minigzip.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ minigzip.o $(TEST_LDFLAGS) + +examplesh$(EXE): example.o $(SHAREDLIBV) + $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS) -L. $(SHAREDLIBV) + +minigzipsh$(EXE): minigzip.o $(SHAREDLIBV) + $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS) -L. $(SHAREDLIBV) + +example64$(EXE): example64.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ example64.o $(TEST_LDFLAGS) + +minigzip64$(EXE): minigzip64.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ minigzip64.o $(TEST_LDFLAGS) + +install-libs: $(LIBS) + -@if [ ! -d $(DESTDIR)$(exec_prefix) ]; then mkdir -p $(DESTDIR)$(exec_prefix); fi + -@if [ ! -d $(DESTDIR)$(libdir) ]; then mkdir -p $(DESTDIR)$(libdir); fi + -@if [ ! -d $(DESTDIR)$(sharedlibdir) ]; then mkdir -p $(DESTDIR)$(sharedlibdir); fi + -@if [ ! -d $(DESTDIR)$(man3dir) ]; then mkdir -p $(DESTDIR)$(man3dir); fi + -@if [ ! -d $(DESTDIR)$(pkgconfigdir) ]; then mkdir -p $(DESTDIR)$(pkgconfigdir); fi + rm -f $(DESTDIR)$(libdir)/$(STATICLIB) + cp $(STATICLIB) $(DESTDIR)$(libdir) + chmod 644 $(DESTDIR)$(libdir)/$(STATICLIB) + -@($(RANLIB) $(DESTDIR)$(libdir)/libz.a || true) >/dev/null 2>&1 + -@if test -n "$(SHAREDLIBV)"; then \ + rm -f $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV); \ + cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir); \ + echo "cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)"; \ + chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV); \ + echo "chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV)"; \ + rm -f $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \ + ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB); \ + ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \ + ($(LDCONFIG) || true) >/dev/null 2>&1; \ + fi + rm -f $(DESTDIR)$(man3dir)/zlib.3 + cp $(SRCDIR)zlib.3 $(DESTDIR)$(man3dir) + chmod 644 $(DESTDIR)$(man3dir)/zlib.3 + rm -f $(DESTDIR)$(pkgconfigdir)/zlib.pc + cp zlib.pc $(DESTDIR)$(pkgconfigdir) + chmod 644 $(DESTDIR)$(pkgconfigdir)/zlib.pc +# The ranlib in install is needed on NeXTSTEP which checks file times +# ldconfig is for Linux + +install: install-libs + -@if [ ! -d $(DESTDIR)$(includedir) ]; then mkdir -p $(DESTDIR)$(includedir); fi + rm -f $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h + cp $(SRCDIR)zlib.h zconf.h $(DESTDIR)$(includedir) + chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h + +uninstall: + cd $(DESTDIR)$(includedir) && rm -f zlib.h zconf.h + cd $(DESTDIR)$(libdir) && rm -f libz.a; \ + if test -n "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \ + rm -f $(SHAREDLIBV) $(SHAREDLIB) $(SHAREDLIBM); \ + fi + cd $(DESTDIR)$(man3dir) && rm -f zlib.3 + cd $(DESTDIR)$(pkgconfigdir) && rm -f zlib.pc + +docs: zlib.3.pdf + +zlib.3.pdf: $(SRCDIR)zlib.3 + groff -mandoc -f H -T ps $(SRCDIR)zlib.3 | ps2pdf - $@ + +zconf.h.cmakein: $(SRCDIR)zconf.h.in + -@ TEMPFILE=zconfh_$$; \ + echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" >> $$TEMPFILE &&\ + sed -f $$TEMPFILE $(SRCDIR)zconf.h.in > $@ &&\ + touch -r $(SRCDIR)zconf.h.in $@ &&\ + rm $$TEMPFILE + +zconf: $(SRCDIR)zconf.h.in + cp -p $(SRCDIR)zconf.h.in zconf.h + +mostlyclean: clean +clean: + rm -f *.o *.lo *~ \ + example$(EXE) minigzip$(EXE) examplesh$(EXE) minigzipsh$(EXE) \ + example64$(EXE) minigzip64$(EXE) \ + infcover \ + libz.* foo.gz so_locations \ + _match.s maketree contrib/infback9/*.o + rm -rf objs + rm -f *.gcda *.gcno *.gcov + rm -f contrib/infback9/*.gcda contrib/infback9/*.gcno contrib/infback9/*.gcov + +maintainer-clean: distclean +distclean: clean zconf zconf.h.cmakein + rm -f Makefile zlib.pc configure.log + -@rm -f .DS_Store + @if [ -f Makefile.in ]; then \ + printf 'all:\n\t-@echo "Please use ./configure first. Thank you."\n' > Makefile ; \ + printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile ; \ + touch -r $(SRCDIR)Makefile.in Makefile ; fi + +tags: + etags $(SRCDIR)*.[ch] + +adler32.o zutil.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +gzclose.o gzlib.o gzread.o gzwrite.o: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h +compress.o example.o minigzip.o uncompr.o: $(SRCDIR)zlib.h zconf.h +crc32.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h +deflate.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +infback.o inflate.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h $(SRCDIR)inffixed.h +inffast.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h +inftrees.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h +trees.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)trees.h + +adler32.lo zutil.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +gzclose.lo gzlib.lo gzread.lo gzwrite.lo: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h +compress.lo example.lo minigzip.lo uncompr.lo: $(SRCDIR)zlib.h zconf.h +crc32.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h +deflate.lo: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +infback.lo inflate.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h $(SRCDIR)inffixed.h +inffast.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h +inftrees.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h +trees.lo: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)trees.h diff --git a/README b/README new file mode 100644 index 0000000..ba34d18 --- /dev/null +++ b/README @@ -0,0 +1,118 @@ +ZLIB DATA COMPRESSION LIBRARY + +zlib 1.2.13 is a general purpose data compression library. All the code is +thread safe. The data format used by the zlib library is described by RFCs +(Request for Comments) 1950 to 1952 in the files +http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and +rfc1952 (gzip format). + +All functions of the compression library are documented in the file zlib.h +(volunteer to write man pages welcome, contact zlib@gzip.org). A usage example +of the library is given in the file test/example.c which also tests that +the library is working correctly. Another example is given in the file +test/minigzip.c. The compression library itself is composed of all source +files in the root directory. + +To compile all files and run the test program, follow the instructions given at +the top of Makefile.in. In short "./configure; make test", and if that goes +well, "make install" should work for most flavors of Unix. For Windows, use +one of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use +make_vms.com. + +Questions about zlib should be sent to , or to Gilles Vollant + for the Windows DLL version. The zlib home page is +http://zlib.net/ . Before reporting a problem, please check this site to +verify that you have the latest version of zlib; otherwise get the latest +version and check whether the problem still exists or not. + +PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help. + +Mark Nelson wrote an article about zlib for the Jan. 1997 +issue of Dr. Dobb's Journal; a copy of the article is available at +http://marknelson.us/1997/01/01/zlib-engine/ . + +The changes made in version 1.2.13 are documented in the file ChangeLog. + +Unsupported third party contributions are provided in directory contrib/ . + +zlib is available in Java using the java.util.zip package, documented at +http://java.sun.com/developer/technicalArticles/Programming/compression/ . + +A Perl interface to zlib written by Paul Marquess is available +at CPAN (Comprehensive Perl Archive Network) sites, including +http://search.cpan.org/~pmqs/IO-Compress-Zlib/ . + +A Python interface to zlib written by A.M. Kuchling is +available in Python 1.5 and later versions, see +http://docs.python.org/library/zlib.html . + +zlib is built into tcl: http://wiki.tcl.tk/4610 . + +An experimental package to read and write files in .zip format, written on top +of zlib by Gilles Vollant , is available in the +contrib/minizip directory of zlib. + + +Notes for some targets: + +- For Windows DLL versions, please see win32/DLL_FAQ.txt + +- For 64-bit Irix, deflate.c must be compiled without any optimization. With + -O, one libpng test fails. The test works in 32 bit mode (with the -n32 + compiler flag). The compiler bug has been reported to SGI. + +- zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works + when compiled with cc. + +- On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is + necessary to get gzprintf working correctly. This is done by configure. + +- zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with + other compilers. Use "make test" to check your compiler. + +- gzdopen is not supported on RISCOS or BEOS. + +- For PalmOs, see http://palmzlib.sourceforge.net/ + + +Acknowledgments: + + The deflate format used by zlib was defined by Phil Katz. The deflate and + zlib specifications were written by L. Peter Deutsch. Thanks to all the + people who reported problems and suggested various improvements in zlib; they + are too numerous to cite here. + +Copyright notice: + + (C) 1995-2022 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu + +If you use the zlib library in a product, we would appreciate *not* receiving +lengthy legal documents to sign. The sources are provided for free but without +warranty of any kind. The library has been entirely written by Jean-loup +Gailly and Mark Adler; it does not include third-party code. We make all +contributions to and distributions of this project solely in our personal +capacity, and are not conveying any rights to any intellectual property of +any third parties. + +If you redistribute modified sources, we would appreciate that you include in +the file ChangeLog history information documenting your changes. Please read +the FAQ for more information on the distribution of modified source versions. diff --git a/adler32.c b/adler32.c new file mode 100644 index 0000000..d0be438 --- /dev/null +++ b/adler32.c @@ -0,0 +1,186 @@ +/* adler32.c -- compute the Adler-32 checksum of a data stream + * Copyright (C) 1995-2011, 2016 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zutil.h" + +local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2)); + +#define BASE 65521U /* largest prime smaller than 65536 */ +#define NMAX 5552 +/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ + +#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;} +#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); +#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); +#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); +#define DO16(buf) DO8(buf,0); DO8(buf,8); + +/* use NO_DIVIDE if your processor does not do division in hardware -- + try it both ways to see which is faster */ +#ifdef NO_DIVIDE +/* note that this assumes BASE is 65521, where 65536 % 65521 == 15 + (thank you to John Reiser for pointing this out) */ +# define CHOP(a) \ + do { \ + unsigned long tmp = a >> 16; \ + a &= 0xffffUL; \ + a += (tmp << 4) - tmp; \ + } while (0) +# define MOD28(a) \ + do { \ + CHOP(a); \ + if (a >= BASE) a -= BASE; \ + } while (0) +# define MOD(a) \ + do { \ + CHOP(a); \ + MOD28(a); \ + } while (0) +# define MOD63(a) \ + do { /* this assumes a is not negative */ \ + z_off64_t tmp = a >> 32; \ + a &= 0xffffffffL; \ + a += (tmp << 8) - (tmp << 5) + tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ + if (a >= BASE) a -= BASE; \ + } while (0) +#else +# define MOD(a) a %= BASE +# define MOD28(a) a %= BASE +# define MOD63(a) a %= BASE +#endif + +/* ========================================================================= */ +uLong ZEXPORT adler32_z(adler, buf, len) + uLong adler; + const Bytef *buf; + z_size_t len; +{ + unsigned long sum2; + unsigned n; + + /* split Adler-32 into component sums */ + sum2 = (adler >> 16) & 0xffff; + adler &= 0xffff; + + /* in case user likes doing a byte at a time, keep it fast */ + if (len == 1) { + adler += buf[0]; + if (adler >= BASE) + adler -= BASE; + sum2 += adler; + if (sum2 >= BASE) + sum2 -= BASE; + return adler | (sum2 << 16); + } + + /* initial Adler-32 value (deferred check for len == 1 speed) */ + if (buf == Z_NULL) + return 1L; + + /* in case short lengths are provided, keep it somewhat fast */ + if (len < 16) { + while (len--) { + adler += *buf++; + sum2 += adler; + } + if (adler >= BASE) + adler -= BASE; + MOD28(sum2); /* only added so many BASE's */ + return adler | (sum2 << 16); + } + + /* do length NMAX blocks -- requires just one modulo operation */ + while (len >= NMAX) { + len -= NMAX; + n = NMAX / 16; /* NMAX is divisible by 16 */ + do { + DO16(buf); /* 16 sums unrolled */ + buf += 16; + } while (--n); + MOD(adler); + MOD(sum2); + } + + /* do remaining bytes (less than NMAX, still just one modulo) */ + if (len) { /* avoid modulos if none remaining */ + while (len >= 16) { + len -= 16; + DO16(buf); + buf += 16; + } + while (len--) { + adler += *buf++; + sum2 += adler; + } + MOD(adler); + MOD(sum2); + } + + /* return recombined sums */ + return adler | (sum2 << 16); +} + +/* ========================================================================= */ +uLong ZEXPORT adler32(adler, buf, len) + uLong adler; + const Bytef *buf; + uInt len; +{ + return adler32_z(adler, buf, len); +} + +/* ========================================================================= */ +local uLong adler32_combine_(adler1, adler2, len2) + uLong adler1; + uLong adler2; + z_off64_t len2; +{ + unsigned long sum1; + unsigned long sum2; + unsigned rem; + + /* for negative len, return invalid adler32 as a clue for debugging */ + if (len2 < 0) + return 0xffffffffUL; + + /* the derivation of this formula is left as an exercise for the reader */ + MOD63(len2); /* assumes len2 >= 0 */ + rem = (unsigned)len2; + sum1 = adler1 & 0xffff; + sum2 = rem * sum1; + MOD(sum2); + sum1 += (adler2 & 0xffff) + BASE - 1; + sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; + if (sum1 >= BASE) sum1 -= BASE; + if (sum1 >= BASE) sum1 -= BASE; + if (sum2 >= ((unsigned long)BASE << 1)) sum2 -= ((unsigned long)BASE << 1); + if (sum2 >= BASE) sum2 -= BASE; + return sum1 | (sum2 << 16); +} + +/* ========================================================================= */ +uLong ZEXPORT adler32_combine(adler1, adler2, len2) + uLong adler1; + uLong adler2; + z_off_t len2; +{ + return adler32_combine_(adler1, adler2, len2); +} + +uLong ZEXPORT adler32_combine64(adler1, adler2, len2) + uLong adler1; + uLong adler2; + z_off64_t len2; +{ + return adler32_combine_(adler1, adler2, len2); +} diff --git a/amiga/Makefile.pup b/amiga/Makefile.pup new file mode 100644 index 0000000..8940c12 --- /dev/null +++ b/amiga/Makefile.pup @@ -0,0 +1,69 @@ +# Amiga powerUP (TM) Makefile +# makefile for libpng and SAS C V6.58/7.00 PPC compiler +# Copyright (C) 1998 by Andreas R. Kleinert + +LIBNAME = libzip.a + +CC = scppc +CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL \ + OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8 NOVER +AR = ppc-amigaos-ar cr +RANLIB = ppc-amigaos-ranlib +LD = ppc-amigaos-ld -r +LDFLAGS = -o +LDLIBS = LIB:scppc.a LIB:end.o +RM = delete quiet + +OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ + uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o + +TEST_OBJS = example.o minigzip.o + +all: example minigzip + +check: test +test: all + example + echo hello world | minigzip | minigzip -d + +$(LIBNAME): $(OBJS) + $(AR) $@ $(OBJS) + -$(RANLIB) $@ + +example: example.o $(LIBNAME) + $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS) + +minigzip: minigzip.o $(LIBNAME) + $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS) + +mostlyclean: clean +clean: + $(RM) *.o example minigzip $(LIBNAME) foo.gz + +zip: + zip -ul9 zlib README ChangeLog Makefile Make????.??? Makefile.?? \ + descrip.mms *.[ch] + +tgz: + cd ..; tar cfz zlib/zlib.tgz zlib/README zlib/ChangeLog zlib/Makefile \ + zlib/Make????.??? zlib/Makefile.?? zlib/descrip.mms zlib/*.[ch] + +# DO NOT DELETE THIS LINE -- make depend depends on it. + +adler32.o: zlib.h zconf.h +compress.o: zlib.h zconf.h +crc32.o: crc32.h zlib.h zconf.h +deflate.o: deflate.h zutil.h zlib.h zconf.h +example.o: zlib.h zconf.h +gzclose.o: zlib.h zconf.h gzguts.h +gzlib.o: zlib.h zconf.h gzguts.h +gzread.o: zlib.h zconf.h gzguts.h +gzwrite.o: zlib.h zconf.h gzguts.h +inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inftrees.o: zutil.h zlib.h zconf.h inftrees.h +minigzip.o: zlib.h zconf.h +trees.o: deflate.h zutil.h zlib.h zconf.h trees.h +uncompr.o: zlib.h zconf.h +zutil.o: zutil.h zlib.h zconf.h diff --git a/amiga/Makefile.sas b/amiga/Makefile.sas new file mode 100644 index 0000000..749e291 --- /dev/null +++ b/amiga/Makefile.sas @@ -0,0 +1,68 @@ +# SMakefile for zlib +# Modified from the standard UNIX Makefile Copyright Jean-loup Gailly +# Osma Ahvenlampi +# Amiga, SAS/C 6.56 & Smake + +CC=sc +CFLAGS=OPT +#CFLAGS=OPT CPU=68030 +#CFLAGS=DEBUG=LINE +LDFLAGS=LIB z.lib + +SCOPTIONS=OPTSCHED OPTINLINE OPTALIAS OPTTIME OPTINLOCAL STRMERGE \ + NOICONS PARMS=BOTH NOSTACKCHECK UTILLIB NOVERSION ERRORREXX \ + DEF=POSTINC + +OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ + uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o + +TEST_OBJS = example.o minigzip.o + +all: SCOPTIONS example minigzip + +check: test +test: all + example + echo hello world | minigzip | minigzip -d + +install: z.lib + copy clone zlib.h zconf.h INCLUDE: + copy clone z.lib LIB: + +z.lib: $(OBJS) + oml z.lib r $(OBJS) + +example: example.o z.lib + $(CC) $(CFLAGS) LINK TO $@ example.o $(LDFLAGS) + +minigzip: minigzip.o z.lib + $(CC) $(CFLAGS) LINK TO $@ minigzip.o $(LDFLAGS) + +mostlyclean: clean +clean: + -delete force quiet example minigzip *.o z.lib foo.gz *.lnk SCOPTIONS + +SCOPTIONS: Makefile.sas + copy to $@ (uLong)max ? max : (uInt)left; + left -= stream.avail_out; + } + if (stream.avail_in == 0) { + stream.avail_in = sourceLen > (uLong)max ? max : (uInt)sourceLen; + sourceLen -= stream.avail_in; + } + err = deflate(&stream, sourceLen ? Z_NO_FLUSH : Z_FINISH); + } while (err == Z_OK); + + *destLen = stream.total_out; + deflateEnd(&stream); + return err == Z_STREAM_END ? Z_OK : err; +} + +/* =========================================================================== + */ +int ZEXPORT compress(dest, destLen, source, sourceLen) + Bytef *dest; + uLongf *destLen; + const Bytef *source; + uLong sourceLen; +{ + return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); +} + +/* =========================================================================== + If the default memLevel or windowBits for deflateInit() is changed, then + this function needs to be updated. + */ +uLong ZEXPORT compressBound(sourceLen) + uLong sourceLen; +{ + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + + (sourceLen >> 25) + 13; +} diff --git a/configure b/configure new file mode 100644 index 0000000..fa4d5da --- /dev/null +++ b/configure @@ -0,0 +1,922 @@ +#!/bin/sh +# configure script for zlib. +# +# Normally configure builds both a static and a shared library. +# If you want to build just a static library, use: ./configure --static +# +# To impose specific compiler or flags or install directory, use for example: +# prefix=$HOME CC=cc CFLAGS="-O4" ./configure +# or for csh/tcsh users: +# (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure) + +# Incorrect settings of CC or CFLAGS may prevent creating a shared library. +# If you have problems, try without defining CC and CFLAGS before reporting +# an error. + +# start off configure.log +echo -------------------- >> configure.log +echo $0 $* >> configure.log +date >> configure.log + +# get source directory +SRCDIR=`dirname $0` +if test $SRCDIR = "."; then + ZINC="" + ZINCOUT="-I." + SRCDIR="" +else + ZINC='-include zconf.h' + ZINCOUT='-I. -I$(SRCDIR)' + SRCDIR="$SRCDIR/" +fi + +# set command prefix for cross-compilation +if [ -n "${CHOST}" ]; then + uname=${CHOST} + mname=${CHOST} + CROSS_PREFIX="${CHOST}-" +else + mname=`(uname -a || echo unknown) 2>/dev/null` +fi + +# destination name for static library +STATICLIB=libz.a + +# extract zlib version numbers from zlib.h +VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < ${SRCDIR}zlib.h` +VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < ${SRCDIR}zlib.h` +VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < ${SRCDIR}zlib.h` +VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < ${SRCDIR}zlib.h` + +# establish commands for library building +if "${CROSS_PREFIX}ar" --version >/dev/null 2>/dev/null || test $? -lt 126; then + AR=${AR-"${CROSS_PREFIX}ar"} + test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log +else + AR=${AR-"ar"} + test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log +fi +ARFLAGS=${ARFLAGS-"rc"} +if "${CROSS_PREFIX}ranlib" --version >/dev/null 2>/dev/null || test $? -lt 126; then + RANLIB=${RANLIB-"${CROSS_PREFIX}ranlib"} + test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} | tee -a configure.log +else + RANLIB=${RANLIB-"ranlib"} +fi +if "${CROSS_PREFIX}nm" --version >/dev/null 2>/dev/null || test $? -lt 126; then + NM=${NM-"${CROSS_PREFIX}nm"} + test -n "${CROSS_PREFIX}" && echo Using ${NM} | tee -a configure.log +else + NM=${NM-"nm"} +fi + +# set defaults before processing command line options +LDCONFIG=${LDCONFIG-"ldconfig"} +LDSHAREDLIBC="${LDSHAREDLIBC--lc}" +ARCHS= +prefix=${prefix-/usr/local} +exec_prefix=${exec_prefix-'${prefix}'} +libdir=${libdir-'${exec_prefix}/lib'} +sharedlibdir=${sharedlibdir-'${libdir}'} +includedir=${includedir-'${prefix}/include'} +mandir=${mandir-'${prefix}/share/man'} +shared_ext='.so' +shared=1 +solo=0 +cover=0 +zprefix=0 +zconst=0 +build64=0 +gcc=0 +warn=0 +debug=0 +sanitize=0 +old_cc="$CC" +old_cflags="$CFLAGS" +OBJC='$(OBJZ) $(OBJG)' +PIC_OBJC='$(PIC_OBJZ) $(PIC_OBJG)' + +# leave this script, optionally in a bad way +leave() +{ + if test "$*" != "0"; then + echo "** $0 aborting." | tee -a configure.log + fi + rm -f $test.[co] $test $test$shared_ext $test.gcno ./--version + echo -------------------- >> configure.log + echo >> configure.log + echo >> configure.log + exit $1 +} + +# process command line options +while test $# -ge 1 +do +case "$1" in + -h* | --help) + echo 'usage:' | tee -a configure.log + echo ' configure [--const] [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' | tee -a configure.log + echo ' [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a configure.log + echo ' [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a configure.log + exit 0 ;; + -p*=* | --prefix=*) prefix=`echo $1 | sed 's/.*=//'`; shift ;; + -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/.*=//'`; shift ;; + -l*=* | --libdir=*) libdir=`echo $1 | sed 's/.*=//'`; shift ;; + --sharedlibdir=*) sharedlibdir=`echo $1 | sed 's/.*=//'`; shift ;; + -i*=* | --includedir=*) includedir=`echo $1 | sed 's/.*=//'`;shift ;; + -u*=* | --uname=*) uname=`echo $1 | sed 's/.*=//'`;shift ;; + -p* | --prefix) prefix="$2"; shift; shift ;; + -e* | --eprefix) exec_prefix="$2"; shift; shift ;; + -l* | --libdir) libdir="$2"; shift; shift ;; + -i* | --includedir) includedir="$2"; shift; shift ;; + -s* | --shared | --enable-shared) shared=1; shift ;; + -t | --static) shared=0; shift ;; + --solo) solo=1; shift ;; + --cover) cover=1; shift ;; + -z* | --zprefix) zprefix=1; shift ;; + -6* | --64) build64=1; shift ;; + -a*=* | --archs=*) ARCHS=`echo $1 | sed 's/.*=//'`; shift ;; + --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;; + --localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;; + -c* | --const) zconst=1; shift ;; + -w* | --warn) warn=1; shift ;; + -d* | --debug) debug=1; shift ;; + --sanitize) sanitize=1; shift ;; + *) + echo "unknown option: $1" | tee -a configure.log + echo "$0 --help for help" | tee -a configure.log + leave 1;; + esac +done + +# temporary file name +test=ztest$$ + +# put arguments in log, also put test file in log if used in arguments +show() +{ + case "$*" in + *$test.c*) + echo === $test.c === >> configure.log + cat $test.c >> configure.log + echo === >> configure.log;; + esac + echo $* >> configure.log +} + +# check for gcc vs. cc and set compile and link flags based on the system identified by uname +cat > $test.c </dev/null 2>&1; then + cc=${CROSS_PREFIX}gcc + else + cc=${CROSS_PREFIX}cc + fi +else + cc=${CC} +fi + +case "$cc" in + *gcc*) gcc=1 ;; + *clang*) gcc=1 ;; +esac +case `$cc -v 2>&1` in + *gcc*) gcc=1 ;; + *clang*) gcc=1 ;; +esac + +show $cc -c $test.c +if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then + echo ... using gcc >> configure.log + CC="$cc" + CFLAGS="${CFLAGS--O3}" + SFLAGS="${CFLAGS--O3} -fPIC" + if test "$ARCHS"; then + CFLAGS="${CFLAGS} ${ARCHS}" + LDFLAGS="${LDFLAGS} ${ARCHS}" + fi + if test $build64 -eq 1; then + CFLAGS="${CFLAGS} -m64" + SFLAGS="${SFLAGS} -m64" + fi + if test "$warn" -eq 1; then + if test "$zconst" -eq 1; then + CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual -DZLIB_CONST" + else + CFLAGS="${CFLAGS} -Wall -Wextra" + fi + fi + if test $sanitize -eq 1; then + CFLAGS="${CFLAGS} -g -fsanitize=address" + fi + if test $debug -eq 1; then + CFLAGS="${CFLAGS} -DZLIB_DEBUG" + SFLAGS="${SFLAGS} -DZLIB_DEBUG" + fi + if test -z "$uname"; then + uname=`(uname -s || echo unknown) 2>/dev/null` + fi + case "$uname" in + Linux* | linux* | *-linux* | GNU | GNU/* | solaris*) + case "$mname" in + *sparc*) + LDFLAGS="${LDFLAGS} -Wl,--no-warn-rwx-segments" ;; + esac + LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,${SRCDIR}zlib.map"} ;; + *BSD | *bsd* | DragonFly) + LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,${SRCDIR}zlib.map"} + LDCONFIG="ldconfig -m" ;; + CYGWIN* | Cygwin* | cygwin* | *-cygwin* | OS/2*) + EXE='.exe' ;; + MINGW* | mingw* | *-mingw*) + rm -f $test.[co] $test $test$shared_ext + echo "If this doesn't work for you, try win32/Makefile.gcc." | tee -a configure.log + LDSHARED=${LDSHARED-"$cc -shared"} + LDSHAREDLIBC="" + EXE='.exe' ;; + QNX*) # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4 + # (alain.bonnefoy@icbt.com) + LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"} ;; + HP-UX*) + LDSHARED=${LDSHARED-"$cc -shared $SFLAGS"} + case `(uname -m || echo unknown) 2>/dev/null` in + ia64) + shared_ext='.so' + SHAREDLIB='libz.so' ;; + *) + shared_ext='.sl' + SHAREDLIB='libz.sl' ;; + esac ;; + AIX*) + LDFLAGS="${LDFLAGS} -Wl,-brtl" ;; + Darwin* | darwin* | *-darwin*) + shared_ext='.dylib' + SHAREDLIB=libz$shared_ext + SHAREDLIBV=libz.$VER$shared_ext + SHAREDLIBM=libz.$VER1$shared_ext + LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"} + if libtool -V 2>&1 | grep Apple > /dev/null; then + AR="libtool" + else + AR="/usr/bin/libtool" + fi + ARFLAGS="-o" ;; + *) + LDSHARED=${LDSHARED-"$cc -shared"} ;; + esac +else + # find system name and corresponding cc options + CC=${CC-cc} + gcc=0 + echo ... using $CC >> configure.log + if test -z "$uname"; then + uname=`(uname -sr || echo unknown) 2>/dev/null` + fi + case "$uname" in + HP-UX*) SFLAGS=${CFLAGS-"-O +z"} + CFLAGS=${CFLAGS-"-O"} +# LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"} + LDSHARED=${LDSHARED-"ld -b"} + case `(uname -m || echo unknown) 2>/dev/null` in + ia64) + shared_ext='.so' + SHAREDLIB='libz.so' ;; + *) + shared_ext='.sl' + SHAREDLIB='libz.sl' ;; + esac ;; + IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."} + CFLAGS=${CFLAGS-"-ansi -O2"} + LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"} ;; + OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"} + CFLAGS=${CFLAGS-"-O -std1"} + LDFLAGS="${LDFLAGS} -Wl,-rpath,." + LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"} ;; + OSF1*) SFLAGS=${CFLAGS-"-O -std1"} + CFLAGS=${CFLAGS-"-O -std1"} + LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"} ;; + QNX*) SFLAGS=${CFLAGS-"-4 -O"} + CFLAGS=${CFLAGS-"-4 -O"} + LDSHARED=${LDSHARED-"cc"} + RANLIB=${RANLIB-"true"} + AR="cc" + ARFLAGS="-A" ;; + SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "} + CFLAGS=${CFLAGS-"-O3"} + LDSHARED=${LDSHARED-"cc -dy -KPIC -G"} ;; + SunOS\ 5* | solaris*) + LDSHARED=${LDSHARED-"cc -G -h libz$shared_ext.$VER1"} + SFLAGS=${CFLAGS-"-fast -KPIC"} + CFLAGS=${CFLAGS-"-fast"} + if test $build64 -eq 1; then + # old versions of SunPRO/Workshop/Studio don't support -m64, + # but newer ones do. Check for it. + flag64=`$CC -flags | egrep -- '^-m64'` + if test x"$flag64" != x"" ; then + CFLAGS="${CFLAGS} -m64" + SFLAGS="${SFLAGS} -m64" + else + case `(uname -m || echo unknown) 2>/dev/null` in + i86*) + SFLAGS="$SFLAGS -xarch=amd64" + CFLAGS="$CFLAGS -xarch=amd64" ;; + *) + SFLAGS="$SFLAGS -xarch=v9" + CFLAGS="$CFLAGS -xarch=v9" ;; + esac + fi + fi + if test -n "$ZINC"; then + ZINC='-I- -I. -I$(SRCDIR)' + fi + ;; + SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} + CFLAGS=${CFLAGS-"-O2"} + LDSHARED=${LDSHARED-"ld"} ;; + SunStudio\ 9*) SFLAGS=${CFLAGS-"-fast -xcode=pic32 -xtarget=ultra3 -xarch=v9b"} + CFLAGS=${CFLAGS-"-fast -xtarget=ultra3 -xarch=v9b"} + LDSHARED=${LDSHARED-"cc -xarch=v9b"} ;; + UNIX_System_V\ 4.2.0) + SFLAGS=${CFLAGS-"-KPIC -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"} ;; + UNIX_SV\ 4.2MP) + SFLAGS=${CFLAGS-"-Kconform_pic -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"} ;; + OpenUNIX\ 5) + SFLAGS=${CFLAGS-"-KPIC -O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -G"} ;; + AIX*) # Courtesy of dbakker@arrayasolutions.com + SFLAGS=${CFLAGS-"-O -qmaxmem=8192"} + CFLAGS=${CFLAGS-"-O -qmaxmem=8192"} + LDSHARED=${LDSHARED-"xlc -G"} ;; + # send working options for other systems to zlib@gzip.org + *) SFLAGS=${CFLAGS-"-O"} + CFLAGS=${CFLAGS-"-O"} + LDSHARED=${LDSHARED-"cc -shared"} ;; + esac +fi + +# destination names for shared library if not defined above +SHAREDLIB=${SHAREDLIB-"libz$shared_ext"} +SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"} +SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"} + +echo >> configure.log + +# define functions for testing compiler and library characteristics and logging the results + +cat > $test.c </dev/null; then + try() + { + show $* + test "`( $* ) 2>&1 | tee -a configure.log`" = "" + } + echo - using any output from compiler to indicate an error >> configure.log +else + try() + { + show $* + got=`( $* ) 2>&1` + ret=$? + if test "$got" != ""; then + printf "%s\n" "$got" >> configure.log + fi + if test $ret -ne 0; then + echo "(exit code "$ret")" >> configure.log + fi + return $ret + } +fi + +tryboth() +{ + show $* + got=`( $* ) 2>&1` + ret=$? + if test "$got" != ""; then + printf "%s\n" "$got" >> configure.log + fi + if test $ret -ne 0; then + echo "(exit code "$ret")" >> configure.log + return $ret + fi + test "$got" = "" +} + +cat > $test.c << EOF +int foo() { return 0; } +EOF +echo "Checking for obsessive-compulsive compiler options..." >> configure.log +if try $CC -c $CFLAGS $test.c; then + : +else + echo "Compiler error reporting is too harsh for $0 (perhaps remove -Werror)." | tee -a configure.log + leave 1 +fi + +echo >> configure.log + +# see if shared library build supported +cat > $test.c <> configure.log + +# check for size_t +cat > $test.c < +#include +size_t dummy = 0; +EOF +if try $CC -c $CFLAGS $test.c; then + echo "Checking for size_t... Yes." | tee -a configure.log +else + echo "Checking for size_t... No." | tee -a configure.log + # find a size_t integer type + # check for long long + cat > $test.c << EOF +long long dummy = 0; +EOF + if try $CC -c $CFLAGS $test.c; then + echo "Checking for long long... Yes." | tee -a configure.log + cat > $test.c < +int main(void) { + if (sizeof(void *) <= sizeof(int)) puts("int"); + else if (sizeof(void *) <= sizeof(long)) puts("long"); + else puts("z_longlong"); + return 0; +} +EOF + else + echo "Checking for long long... No." | tee -a configure.log + cat > $test.c < +int main(void) { + if (sizeof(void *) <= sizeof(int)) puts("int"); + else puts("long"); + return 0; +} +EOF + fi + if try $CC $CFLAGS -o $test $test.c; then + sizet=`./$test` + echo "Checking for a pointer-size integer type..." $sizet"." | tee -a configure.log + CFLAGS="${CFLAGS} -DNO_SIZE_T=${sizet}" + SFLAGS="${SFLAGS} -DNO_SIZE_T=${sizet}" + else + echo "Checking for a pointer-size integer type... not found." | tee -a configure.log + fi +fi + +echo >> configure.log + +# check for large file support, and if none, check for fseeko() +cat > $test.c < +off64_t dummy = 0; +EOF +if try $CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c; then + CFLAGS="${CFLAGS} -D_LARGEFILE64_SOURCE=1" + SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1" + ALL="${ALL} all64" + TEST="${TEST} test64" + echo "Checking for off64_t... Yes." | tee -a configure.log + echo "Checking for fseeko... Yes." | tee -a configure.log +else + echo "Checking for off64_t... No." | tee -a configure.log + echo >> configure.log + cat > $test.c < +int main(void) { + fseeko(NULL, 0, 0); + return 0; +} +EOF + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for fseeko... Yes." | tee -a configure.log + else + CFLAGS="${CFLAGS} -DNO_FSEEKO" + SFLAGS="${SFLAGS} -DNO_FSEEKO" + echo "Checking for fseeko... No." | tee -a configure.log + fi +fi + +echo >> configure.log + +# check for strerror() for use by gz* functions +cat > $test.c < +#include +int main() { return strlen(strerror(errno)); } +EOF +if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for strerror... Yes." | tee -a configure.log +else + CFLAGS="${CFLAGS} -DNO_STRERROR" + SFLAGS="${SFLAGS} -DNO_STRERROR" + echo "Checking for strerror... No." | tee -a configure.log +fi + +# copy clean zconf.h for subsequent edits +cp -p ${SRCDIR}zconf.h.in zconf.h + +echo >> configure.log + +# check for unistd.h and save result in zconf.h +cat > $test.c < +int main() { return 0; } +EOF +if try $CC -c $CFLAGS $test.c; then + sed < zconf.h "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\(.*\) may be/ 1\1 was/" > zconf.temp.h + mv zconf.temp.h zconf.h + echo "Checking for unistd.h... Yes." | tee -a configure.log +else + echo "Checking for unistd.h... No." | tee -a configure.log +fi + +echo >> configure.log + +# check for stdarg.h and save result in zconf.h +cat > $test.c < +int main() { return 0; } +EOF +if try $CC -c $CFLAGS $test.c; then + sed < zconf.h "/^#ifdef HAVE_STDARG_H.* may be/s/def HAVE_STDARG_H\(.*\) may be/ 1\1 was/" > zconf.temp.h + mv zconf.temp.h zconf.h + echo "Checking for stdarg.h... Yes." | tee -a configure.log +else + echo "Checking for stdarg.h... No." | tee -a configure.log +fi + +# if the z_ prefix was requested, save that in zconf.h +if test $zprefix -eq 1; then + sed < zconf.h "/#ifdef Z_PREFIX.* may be/s/def Z_PREFIX\(.*\) may be/ 1\1 was/" > zconf.temp.h + mv zconf.temp.h zconf.h + echo >> configure.log + echo "Using z_ prefix on all symbols." | tee -a configure.log +fi + +# if --solo compilation was requested, save that in zconf.h and remove gz stuff from object lists +if test $solo -eq 1; then + sed '/#define ZCONF_H/a\ +#define Z_SOLO + +' < zconf.h > zconf.temp.h + mv zconf.temp.h zconf.h +OBJC='$(OBJZ)' +PIC_OBJC='$(PIC_OBJZ)' +fi + +# if code coverage testing was requested, use older gcc if defined, e.g. "gcc-4.2" on Mac OS X +if test $cover -eq 1; then + CFLAGS="${CFLAGS} -fprofile-arcs -ftest-coverage" + if test -n "$GCC_CLASSIC"; then + CC=$GCC_CLASSIC + fi +fi + +echo >> configure.log + +# conduct a series of tests to resolve eight possible cases of using "vs" or "s" printf functions +# (using stdarg or not), with or without "n" (proving size of buffer), and with or without a +# return value. The most secure result is vsnprintf() with a return value. snprintf() with a +# return value is secure as well, but then gzprintf() will be limited to 20 arguments. +cat > $test.c < +#include +#include "zconf.h" +int main() +{ +#ifndef STDC + choke me +#endif + return 0; +} +EOF +if try $CC -c $CFLAGS $test.c; then + echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." | tee -a configure.log + + echo >> configure.log + cat > $test.c < +#include +int mytest(const char *fmt, ...) +{ + char buf[20]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + return 0; +} +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a configure.log + + echo >> configure.log + cat >$test.c < +#include +int mytest(const char *fmt, ...) +{ + int n; + char buf[20]; + va_list ap; + va_start(ap, fmt); + n = vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + return n; +} +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of vsnprintf()... Yes." | tee -a configure.log + else + CFLAGS="$CFLAGS -DHAS_vsnprintf_void" + SFLAGS="$SFLAGS -DHAS_vsnprintf_void" + echo "Checking for return value of vsnprintf()... No." | tee -a configure.log + echo " WARNING: apparently vsnprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + fi + else + CFLAGS="$CFLAGS -DNO_vsnprintf" + SFLAGS="$SFLAGS -DNO_vsnprintf" + echo "Checking for vsnprintf() in stdio.h... No." | tee -a configure.log + echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" | tee -a configure.log + echo " can build but will be open to possible buffer-overflow security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + + echo >> configure.log + cat >$test.c < +#include +int mytest(const char *fmt, ...) +{ + int n; + char buf[20]; + va_list ap; + va_start(ap, fmt); + n = vsprintf(buf, fmt, ap); + va_end(ap); + return n; +} +int main() +{ + return (mytest("Hello%d\n", 1)); +} +EOF + + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of vsprintf()... Yes." | tee -a configure.log + else + CFLAGS="$CFLAGS -DHAS_vsprintf_void" + SFLAGS="$SFLAGS -DHAS_vsprintf_void" + echo "Checking for return value of vsprintf()... No." | tee -a configure.log + echo " WARNING: apparently vsprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + fi + fi +else + echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." | tee -a configure.log + + echo >> configure.log + cat >$test.c < +int mytest() +{ + char buf[20]; + snprintf(buf, sizeof(buf), "%s", "foo"); + return 0; +} +int main() +{ + return (mytest()); +} +EOF + + if try $CC $CFLAGS -o $test $test.c; then + echo "Checking for snprintf() in stdio.h... Yes." | tee -a configure.log + + echo >> configure.log + cat >$test.c < +int mytest() +{ + char buf[20]; + return snprintf(buf, sizeof(buf), "%s", "foo"); +} +int main() +{ + return (mytest()); +} +EOF + + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of snprintf()... Yes." | tee -a configure.log + else + CFLAGS="$CFLAGS -DHAS_snprintf_void" + SFLAGS="$SFLAGS -DHAS_snprintf_void" + echo "Checking for return value of snprintf()... No." | tee -a configure.log + echo " WARNING: apparently snprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + fi + else + CFLAGS="$CFLAGS -DNO_snprintf" + SFLAGS="$SFLAGS -DNO_snprintf" + echo "Checking for snprintf() in stdio.h... No." | tee -a configure.log + echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" | tee -a configure.log + echo " can build but will be open to possible buffer-overflow security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + + echo >> configure.log + cat >$test.c < +int mytest() +{ + char buf[20]; + return sprintf(buf, "%s", "foo"); +} +int main() +{ + return (mytest()); +} +EOF + + if try $CC -c $CFLAGS $test.c; then + echo "Checking for return value of sprintf()... Yes." | tee -a configure.log + else + CFLAGS="$CFLAGS -DHAS_sprintf_void" + SFLAGS="$SFLAGS -DHAS_sprintf_void" + echo "Checking for return value of sprintf()... No." | tee -a configure.log + echo " WARNING: apparently sprintf() does not return a value. zlib" | tee -a configure.log + echo " can build but will be open to possible string-format security" | tee -a configure.log + echo " vulnerabilities." | tee -a configure.log + fi + fi +fi + +# see if we can hide zlib internal symbols that are linked between separate source files +if test "$gcc" -eq 1; then + echo >> configure.log + cat > $test.c <> configure.log +echo ALL = $ALL >> configure.log +echo AR = $AR >> configure.log +echo ARFLAGS = $ARFLAGS >> configure.log +echo CC = $CC >> configure.log +echo CFLAGS = $CFLAGS >> configure.log +echo CPP = $CPP >> configure.log +echo EXE = $EXE >> configure.log +echo LDCONFIG = $LDCONFIG >> configure.log +echo LDFLAGS = $LDFLAGS >> configure.log +echo LDSHARED = $LDSHARED >> configure.log +echo LDSHAREDLIBC = $LDSHAREDLIBC >> configure.log +echo OBJC = $OBJC >> configure.log +echo PIC_OBJC = $PIC_OBJC >> configure.log +echo RANLIB = $RANLIB >> configure.log +echo SFLAGS = $SFLAGS >> configure.log +echo SHAREDLIB = $SHAREDLIB >> configure.log +echo SHAREDLIBM = $SHAREDLIBM >> configure.log +echo SHAREDLIBV = $SHAREDLIBV >> configure.log +echo STATICLIB = $STATICLIB >> configure.log +echo TEST = $TEST >> configure.log +echo VER = $VER >> configure.log +echo SRCDIR = $SRCDIR >> configure.log +echo exec_prefix = $exec_prefix >> configure.log +echo includedir = $includedir >> configure.log +echo libdir = $libdir >> configure.log +echo mandir = $mandir >> configure.log +echo prefix = $prefix >> configure.log +echo sharedlibdir = $sharedlibdir >> configure.log +echo uname = $uname >> configure.log + +# udpate Makefile with the configure results +sed < ${SRCDIR}Makefile.in " +/^CC *=/s#=.*#=$CC# +/^CFLAGS *=/s#=.*#=$CFLAGS# +/^SFLAGS *=/s#=.*#=$SFLAGS# +/^LDFLAGS *=/s#=.*#=$LDFLAGS# +/^LDSHARED *=/s#=.*#=$LDSHARED# +/^CPP *=/s#=.*#=$CPP# +/^STATICLIB *=/s#=.*#=$STATICLIB# +/^SHAREDLIB *=/s#=.*#=$SHAREDLIB# +/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# +/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# +/^AR *=/s#=.*#=$AR# +/^ARFLAGS *=/s#=.*#=$ARFLAGS# +/^RANLIB *=/s#=.*#=$RANLIB# +/^LDCONFIG *=/s#=.*#=$LDCONFIG# +/^LDSHAREDLIBC *=/s#=.*#=$LDSHAREDLIBC# +/^EXE *=/s#=.*#=$EXE# +/^SRCDIR *=/s#=.*#=$SRCDIR# +/^ZINC *=/s#=.*#=$ZINC# +/^ZINCOUT *=/s#=.*#=$ZINCOUT# +/^prefix *=/s#=.*#=$prefix# +/^exec_prefix *=/s#=.*#=$exec_prefix# +/^libdir *=/s#=.*#=$libdir# +/^sharedlibdir *=/s#=.*#=$sharedlibdir# +/^includedir *=/s#=.*#=$includedir# +/^mandir *=/s#=.*#=$mandir# +/^OBJC *=/s#=.*#= $OBJC# +/^PIC_OBJC *=/s#=.*#= $PIC_OBJC# +/^all: */s#:.*#: $ALL# +/^test: */s#:.*#: $TEST# +" > Makefile + +# create zlib.pc with the configure results +sed < ${SRCDIR}zlib.pc.in " +/^CC *=/s#=.*#=$CC# +/^CFLAGS *=/s#=.*#=$CFLAGS# +/^CPP *=/s#=.*#=$CPP# +/^LDSHARED *=/s#=.*#=$LDSHARED# +/^STATICLIB *=/s#=.*#=$STATICLIB# +/^SHAREDLIB *=/s#=.*#=$SHAREDLIB# +/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# +/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# +/^AR *=/s#=.*#=$AR# +/^ARFLAGS *=/s#=.*#=$ARFLAGS# +/^RANLIB *=/s#=.*#=$RANLIB# +/^EXE *=/s#=.*#=$EXE# +/^prefix *=/s#=.*#=$prefix# +/^exec_prefix *=/s#=.*#=$exec_prefix# +/^libdir *=/s#=.*#=$libdir# +/^sharedlibdir *=/s#=.*#=$sharedlibdir# +/^includedir *=/s#=.*#=$includedir# +/^mandir *=/s#=.*#=$mandir# +/^LDFLAGS *=/s#=.*#=$LDFLAGS# +" | sed -e " +s/\@VERSION\@/$VER/g; +" > zlib.pc + +# done +leave 0 diff --git a/contrib/README.contrib b/contrib/README.contrib new file mode 100644 index 0000000..5e5f950 --- /dev/null +++ b/contrib/README.contrib @@ -0,0 +1,57 @@ +All files under this contrib directory are UNSUPPORTED. They were +provided by users of zlib and were not tested by the authors of zlib. +Use at your own risk. Please contact the authors of the contributions +for help about these, not the zlib authors. Thanks. + + +ada/ by Dmitriy Anisimkov + Support for Ada + See http://zlib-ada.sourceforge.net/ + +blast/ by Mark Adler + Decompressor for output of PKWare Data Compression Library (DCL) + +delphi/ by Cosmin Truta + Support for Delphi and C++ Builder + +dotzlib/ by Henrik Ravn + Support for Microsoft .Net and Visual C++ .Net + +gcc_gvmat64/by Gilles Vollant + GCC Version of x86 64-bit (AMD64 and Intel EM64t) code for x64 + assembler to replace longest_match() and inflate_fast() + +infback9/ by Mark Adler + Unsupported diffs to infback to decode the deflate64 format + +iostream/ by Kevin Ruland + A C++ I/O streams interface to the zlib gz* functions + +iostream2/ by Tyge Løvset + Another C++ I/O streams interface + +iostream3/ by Ludwig Schwardt + and Kevin Ruland + Yet another C++ I/O streams interface + +minizip/ by Gilles Vollant + Mini zip and unzip based on zlib + Includes Zip64 support by Mathias Svensson + See http://www.winimage.com/zLibDll/minizip.html + +pascal/ by Bob Dellaca et al. + Support for Pascal + +puff/ by Mark Adler + Small, low memory usage inflate. Also serves to provide an + unambiguous description of the deflate format. + +testzlib/ by Gilles Vollant + Example of the use of zlib + +untgz/ by Pedro A. Aranda Gutierrez + A very simple tar.gz file extractor using zlib + +vstudio/ by Gilles Vollant + Building a minizip-enhanced zlib with Microsoft Visual Studio + Includes vc11 from kreuzerkrieg and vc12 from davispuh diff --git a/contrib/ada/buffer_demo.adb b/contrib/ada/buffer_demo.adb new file mode 100644 index 0000000..46b8638 --- /dev/null +++ b/contrib/ada/buffer_demo.adb @@ -0,0 +1,106 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2004 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- +-- +-- $Id: buffer_demo.adb,v 1.3 2004/09/06 06:55:35 vagul Exp $ + +-- This demo program provided by Dr Steve Sangwine +-- +-- Demonstration of a problem with Zlib-Ada (already fixed) when a buffer +-- of exactly the correct size is used for decompressed data, and the last +-- few bytes passed in to Zlib are checksum bytes. + +-- This program compresses a string of text, and then decompresses the +-- compressed text into a buffer of the same size as the original text. + +with Ada.Streams; use Ada.Streams; +with Ada.Text_IO; + +with ZLib; use ZLib; + +procedure Buffer_Demo is + EOL : Character renames ASCII.LF; + Text : constant String + := "Four score and seven years ago our fathers brought forth," & EOL & + "upon this continent, a new nation, conceived in liberty," & EOL & + "and dedicated to the proposition that `all men are created equal'."; + + Source : Stream_Element_Array (1 .. Text'Length); + for Source'Address use Text'Address; + +begin + Ada.Text_IO.Put (Text); + Ada.Text_IO.New_Line; + Ada.Text_IO.Put_Line + ("Uncompressed size : " & Positive'Image (Text'Length) & " bytes"); + + declare + Compressed_Data : Stream_Element_Array (1 .. Text'Length); + L : Stream_Element_Offset; + begin + Compress : declare + Compressor : Filter_Type; + I : Stream_Element_Offset; + begin + Deflate_Init (Compressor); + + -- Compress the whole of T at once. + + Translate (Compressor, Source, I, Compressed_Data, L, Finish); + pragma Assert (I = Source'Last); + + Close (Compressor); + + Ada.Text_IO.Put_Line + ("Compressed size : " + & Stream_Element_Offset'Image (L) & " bytes"); + end Compress; + + -- Now we decompress the data, passing short blocks of data to Zlib + -- (because this demonstrates the problem - the last block passed will + -- contain checksum information and there will be no output, only a + -- check inside Zlib that the checksum is correct). + + Decompress : declare + Decompressor : Filter_Type; + + Uncompressed_Data : Stream_Element_Array (1 .. Text'Length); + + Block_Size : constant := 4; + -- This makes sure that the last block contains + -- only Adler checksum data. + + P : Stream_Element_Offset := Compressed_Data'First - 1; + O : Stream_Element_Offset; + begin + Inflate_Init (Decompressor); + + loop + Translate + (Decompressor, + Compressed_Data + (P + 1 .. Stream_Element_Offset'Min (P + Block_Size, L)), + P, + Uncompressed_Data + (Total_Out (Decompressor) + 1 .. Uncompressed_Data'Last), + O, + No_Flush); + + Ada.Text_IO.Put_Line + ("Total in : " & Count'Image (Total_In (Decompressor)) & + ", out : " & Count'Image (Total_Out (Decompressor))); + + exit when P = L; + end loop; + + Ada.Text_IO.New_Line; + Ada.Text_IO.Put_Line + ("Decompressed text matches original text : " + & Boolean'Image (Uncompressed_Data = Source)); + end Decompress; + end; +end Buffer_Demo; diff --git a/contrib/ada/mtest.adb b/contrib/ada/mtest.adb new file mode 100644 index 0000000..c4dfd08 --- /dev/null +++ b/contrib/ada/mtest.adb @@ -0,0 +1,156 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- +-- Continuous test for ZLib multithreading. If the test would fail +-- we should provide thread safe allocation routines for the Z_Stream. +-- +-- $Id: mtest.adb,v 1.4 2004/07/23 07:49:54 vagul Exp $ + +with ZLib; +with Ada.Streams; +with Ada.Numerics.Discrete_Random; +with Ada.Text_IO; +with Ada.Exceptions; +with Ada.Task_Identification; + +procedure MTest is + use Ada.Streams; + use ZLib; + + Stop : Boolean := False; + + pragma Atomic (Stop); + + subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#; + + package Random_Elements is + new Ada.Numerics.Discrete_Random (Visible_Symbols); + + task type Test_Task; + + task body Test_Task is + Buffer : Stream_Element_Array (1 .. 100_000); + Gen : Random_Elements.Generator; + + Buffer_First : Stream_Element_Offset; + Compare_First : Stream_Element_Offset; + + Deflate : Filter_Type; + Inflate : Filter_Type; + + procedure Further (Item : in Stream_Element_Array); + + procedure Read_Buffer + (Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset); + + ------------- + -- Further -- + ------------- + + procedure Further (Item : in Stream_Element_Array) is + + procedure Compare (Item : in Stream_Element_Array); + + ------------- + -- Compare -- + ------------- + + procedure Compare (Item : in Stream_Element_Array) is + Next_First : Stream_Element_Offset := Compare_First + Item'Length; + begin + if Buffer (Compare_First .. Next_First - 1) /= Item then + raise Program_Error; + end if; + + Compare_First := Next_First; + end Compare; + + procedure Compare_Write is new ZLib.Write (Write => Compare); + begin + Compare_Write (Inflate, Item, No_Flush); + end Further; + + ----------------- + -- Read_Buffer -- + ----------------- + + procedure Read_Buffer + (Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset) + is + Buff_Diff : Stream_Element_Offset := Buffer'Last - Buffer_First; + Next_First : Stream_Element_Offset; + begin + if Item'Length <= Buff_Diff then + Last := Item'Last; + + Next_First := Buffer_First + Item'Length; + + Item := Buffer (Buffer_First .. Next_First - 1); + + Buffer_First := Next_First; + else + Last := Item'First + Buff_Diff; + Item (Item'First .. Last) := Buffer (Buffer_First .. Buffer'Last); + Buffer_First := Buffer'Last + 1; + end if; + end Read_Buffer; + + procedure Translate is new Generic_Translate + (Data_In => Read_Buffer, + Data_Out => Further); + + begin + Random_Elements.Reset (Gen); + + Buffer := (others => 20); + + Main : loop + for J in Buffer'Range loop + Buffer (J) := Random_Elements.Random (Gen); + + Deflate_Init (Deflate); + Inflate_Init (Inflate); + + Buffer_First := Buffer'First; + Compare_First := Buffer'First; + + Translate (Deflate); + + if Compare_First /= Buffer'Last + 1 then + raise Program_Error; + end if; + + Ada.Text_IO.Put_Line + (Ada.Task_Identification.Image + (Ada.Task_Identification.Current_Task) + & Stream_Element_Offset'Image (J) + & ZLib.Count'Image (Total_Out (Deflate))); + + Close (Deflate); + Close (Inflate); + + exit Main when Stop; + end loop; + end loop Main; + exception + when E : others => + Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E)); + Stop := True; + end Test_Task; + + Test : array (1 .. 4) of Test_Task; + + pragma Unreferenced (Test); + + Dummy : Character; + +begin + Ada.Text_IO.Get_Immediate (Dummy); + Stop := True; +end MTest; diff --git a/contrib/ada/read.adb b/contrib/ada/read.adb new file mode 100644 index 0000000..1f2efbf --- /dev/null +++ b/contrib/ada/read.adb @@ -0,0 +1,156 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: read.adb,v 1.8 2004/05/31 10:53:40 vagul Exp $ + +-- Test/demo program for the generic read interface. + +with Ada.Numerics.Discrete_Random; +with Ada.Streams; +with Ada.Text_IO; + +with ZLib; + +procedure Read is + + use Ada.Streams; + + ------------------------------------ + -- Test configuration parameters -- + ------------------------------------ + + File_Size : Stream_Element_Offset := 100_000; + + Continuous : constant Boolean := False; + -- If this constant is True, the test would be repeated again and again, + -- with increment File_Size for every iteration. + + Header : constant ZLib.Header_Type := ZLib.Default; + -- Do not use Header other than Default in ZLib versions 1.1.4 and older. + + Init_Random : constant := 8; + -- We are using the same random sequence, in case of we catch bug, + -- so we would be able to reproduce it. + + -- End -- + + Pack_Size : Stream_Element_Offset; + Offset : Stream_Element_Offset; + + Filter : ZLib.Filter_Type; + + subtype Visible_Symbols + is Stream_Element range 16#20# .. 16#7E#; + + package Random_Elements is new + Ada.Numerics.Discrete_Random (Visible_Symbols); + + Gen : Random_Elements.Generator; + Period : constant Stream_Element_Offset := 200; + -- Period constant variable for random generator not to be very random. + -- Bigger period, harder random. + + Read_Buffer : Stream_Element_Array (1 .. 2048); + Read_First : Stream_Element_Offset; + Read_Last : Stream_Element_Offset; + + procedure Reset; + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset); + -- this procedure is for generic instantiation of + -- ZLib.Read + -- reading data from the File_In. + + procedure Read is new ZLib.Read + (Read, + Read_Buffer, + Rest_First => Read_First, + Rest_Last => Read_Last); + + ---------- + -- Read -- + ---------- + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) is + begin + Last := Stream_Element_Offset'Min + (Item'Last, + Item'First + File_Size - Offset); + + for J in Item'First .. Last loop + if J < Item'First + Period then + Item (J) := Random_Elements.Random (Gen); + else + Item (J) := Item (J - Period); + end if; + + Offset := Offset + 1; + end loop; + end Read; + + ----------- + -- Reset -- + ----------- + + procedure Reset is + begin + Random_Elements.Reset (Gen, Init_Random); + Pack_Size := 0; + Offset := 1; + Read_First := Read_Buffer'Last + 1; + Read_Last := Read_Buffer'Last; + end Reset; + +begin + Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version); + + loop + for Level in ZLib.Compression_Level'Range loop + + Ada.Text_IO.Put ("Level =" + & ZLib.Compression_Level'Image (Level)); + + -- Deflate using generic instantiation. + + ZLib.Deflate_Init + (Filter, + Level, + Header => Header); + + Reset; + + Ada.Text_IO.Put + (Stream_Element_Offset'Image (File_Size) & " ->"); + + loop + declare + Buffer : Stream_Element_Array (1 .. 1024); + Last : Stream_Element_Offset; + begin + Read (Filter, Buffer, Last); + + Pack_Size := Pack_Size + Last - Buffer'First + 1; + + exit when Last < Buffer'Last; + end; + end loop; + + Ada.Text_IO.Put_Line (Stream_Element_Offset'Image (Pack_Size)); + + ZLib.Close (Filter); + end loop; + + exit when not Continuous; + + File_Size := File_Size + 1; + end loop; +end Read; diff --git a/contrib/ada/readme.txt b/contrib/ada/readme.txt new file mode 100644 index 0000000..ce4d2ca --- /dev/null +++ b/contrib/ada/readme.txt @@ -0,0 +1,65 @@ + ZLib for Ada thick binding (ZLib.Ada) + Release 1.3 + +ZLib.Ada is a thick binding interface to the popular ZLib data +compression library, available at http://www.gzip.org/zlib/. +It provides Ada-style access to the ZLib C library. + + + Here are the main changes since ZLib.Ada 1.2: + +- Attension: ZLib.Read generic routine have a initialization requirement + for Read_Last parameter now. It is a bit incompartible with previous version, + but extends functionality, we could use new parameters Allow_Read_Some and + Flush now. + +- Added Is_Open routines to ZLib and ZLib.Streams packages. + +- Add pragma Assert to check Stream_Element is 8 bit. + +- Fix extraction to buffer with exact known decompressed size. Error reported by + Steve Sangwine. + +- Fix definition of ULong (changed to unsigned_long), fix regression on 64 bits + computers. Patch provided by Pascal Obry. + +- Add Status_Error exception definition. + +- Add pragma Assertion that Ada.Streams.Stream_Element size is 8 bit. + + + How to build ZLib.Ada under GNAT + +You should have the ZLib library already build on your computer, before +building ZLib.Ada. Make the directory of ZLib.Ada sources current and +issue the command: + + gnatmake test -largs -L -lz + +Or use the GNAT project file build for GNAT 3.15 or later: + + gnatmake -Pzlib.gpr -L + + + How to build ZLib.Ada under Aonix ObjectAda for Win32 7.2.2 + +1. Make a project with all *.ads and *.adb files from the distribution. +2. Build the libz.a library from the ZLib C sources. +3. Rename libz.a to z.lib. +4. Add the library z.lib to the project. +5. Add the libc.lib library from the ObjectAda distribution to the project. +6. Build the executable using test.adb as a main procedure. + + + How to use ZLib.Ada + +The source files test.adb and read.adb are small demo programs that show +the main functionality of ZLib.Ada. + +The routines from the package specifications are commented. + + +Homepage: http://zlib-ada.sourceforge.net/ +Author: Dmitriy Anisimkov + +Contributors: Pascal Obry , Steve Sangwine diff --git a/contrib/ada/test.adb b/contrib/ada/test.adb new file mode 100644 index 0000000..90773ac --- /dev/null +++ b/contrib/ada/test.adb @@ -0,0 +1,463 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: test.adb,v 1.17 2003/08/12 12:13:30 vagul Exp $ + +-- The program has a few aims. +-- 1. Test ZLib.Ada95 thick binding functionality. +-- 2. Show the example of use main functionality of the ZLib.Ada95 binding. +-- 3. Build this program automatically compile all ZLib.Ada95 packages under +-- GNAT Ada95 compiler. + +with ZLib.Streams; +with Ada.Streams.Stream_IO; +with Ada.Numerics.Discrete_Random; + +with Ada.Text_IO; + +with Ada.Calendar; + +procedure Test is + + use Ada.Streams; + use Stream_IO; + + ------------------------------------ + -- Test configuration parameters -- + ------------------------------------ + + File_Size : Count := 100_000; + Continuous : constant Boolean := False; + + Header : constant ZLib.Header_Type := ZLib.Default; + -- ZLib.None; + -- ZLib.Auto; + -- ZLib.GZip; + -- Do not use Header other then Default in ZLib versions 1.1.4 + -- and older. + + Strategy : constant ZLib.Strategy_Type := ZLib.Default_Strategy; + Init_Random : constant := 10; + + -- End -- + + In_File_Name : constant String := "testzlib.in"; + -- Name of the input file + + Z_File_Name : constant String := "testzlib.zlb"; + -- Name of the compressed file. + + Out_File_Name : constant String := "testzlib.out"; + -- Name of the decompressed file. + + File_In : File_Type; + File_Out : File_Type; + File_Back : File_Type; + File_Z : ZLib.Streams.Stream_Type; + + Filter : ZLib.Filter_Type; + + Time_Stamp : Ada.Calendar.Time; + + procedure Generate_File; + -- Generate file of spetsified size with some random data. + -- The random data is repeatable, for the good compression. + + procedure Compare_Streams + (Left, Right : in out Root_Stream_Type'Class); + -- The procedure compearing data in 2 streams. + -- It is for compare data before and after compression/decompression. + + procedure Compare_Files (Left, Right : String); + -- Compare files. Based on the Compare_Streams. + + procedure Copy_Streams + (Source, Target : in out Root_Stream_Type'Class; + Buffer_Size : in Stream_Element_Offset := 1024); + -- Copying data from one stream to another. It is for test stream + -- interface of the library. + + procedure Data_In + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset); + -- this procedure is for generic instantiation of + -- ZLib.Generic_Translate. + -- reading data from the File_In. + + procedure Data_Out (Item : in Stream_Element_Array); + -- this procedure is for generic instantiation of + -- ZLib.Generic_Translate. + -- writing data to the File_Out. + + procedure Stamp; + -- Store the timestamp to the local variable. + + procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count); + -- Print the time statistic with the message. + + procedure Translate is new ZLib.Generic_Translate + (Data_In => Data_In, + Data_Out => Data_Out); + -- This procedure is moving data from File_In to File_Out + -- with compression or decompression, depend on initialization of + -- Filter parameter. + + ------------------- + -- Compare_Files -- + ------------------- + + procedure Compare_Files (Left, Right : String) is + Left_File, Right_File : File_Type; + begin + Open (Left_File, In_File, Left); + Open (Right_File, In_File, Right); + Compare_Streams (Stream (Left_File).all, Stream (Right_File).all); + Close (Left_File); + Close (Right_File); + end Compare_Files; + + --------------------- + -- Compare_Streams -- + --------------------- + + procedure Compare_Streams + (Left, Right : in out Ada.Streams.Root_Stream_Type'Class) + is + Left_Buffer, Right_Buffer : Stream_Element_Array (0 .. 16#FFF#); + Left_Last, Right_Last : Stream_Element_Offset; + begin + loop + Read (Left, Left_Buffer, Left_Last); + Read (Right, Right_Buffer, Right_Last); + + if Left_Last /= Right_Last then + Ada.Text_IO.Put_Line ("Compare error :" + & Stream_Element_Offset'Image (Left_Last) + & " /= " + & Stream_Element_Offset'Image (Right_Last)); + + raise Constraint_Error; + + elsif Left_Buffer (0 .. Left_Last) + /= Right_Buffer (0 .. Right_Last) + then + Ada.Text_IO.Put_Line ("ERROR: IN and OUT files is not equal."); + raise Constraint_Error; + + end if; + + exit when Left_Last < Left_Buffer'Last; + end loop; + end Compare_Streams; + + ------------------ + -- Copy_Streams -- + ------------------ + + procedure Copy_Streams + (Source, Target : in out Ada.Streams.Root_Stream_Type'Class; + Buffer_Size : in Stream_Element_Offset := 1024) + is + Buffer : Stream_Element_Array (1 .. Buffer_Size); + Last : Stream_Element_Offset; + begin + loop + Read (Source, Buffer, Last); + Write (Target, Buffer (1 .. Last)); + + exit when Last < Buffer'Last; + end loop; + end Copy_Streams; + + ------------- + -- Data_In -- + ------------- + + procedure Data_In + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) is + begin + Read (File_In, Item, Last); + end Data_In; + + -------------- + -- Data_Out -- + -------------- + + procedure Data_Out (Item : in Stream_Element_Array) is + begin + Write (File_Out, Item); + end Data_Out; + + ------------------- + -- Generate_File -- + ------------------- + + procedure Generate_File is + subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#; + + package Random_Elements is + new Ada.Numerics.Discrete_Random (Visible_Symbols); + + Gen : Random_Elements.Generator; + Buffer : Stream_Element_Array := (1 .. 77 => 16#20#) & 10; + + Buffer_Count : constant Count := File_Size / Buffer'Length; + -- Number of same buffers in the packet. + + Density : constant Count := 30; -- from 0 to Buffer'Length - 2; + + procedure Fill_Buffer (J, D : in Count); + -- Change the part of the buffer. + + ----------------- + -- Fill_Buffer -- + ----------------- + + procedure Fill_Buffer (J, D : in Count) is + begin + for K in 0 .. D loop + Buffer + (Stream_Element_Offset ((J + K) mod (Buffer'Length - 1) + 1)) + := Random_Elements.Random (Gen); + + end loop; + end Fill_Buffer; + + begin + Random_Elements.Reset (Gen, Init_Random); + + Create (File_In, Out_File, In_File_Name); + + Fill_Buffer (1, Buffer'Length - 2); + + for J in 1 .. Buffer_Count loop + Write (File_In, Buffer); + + Fill_Buffer (J, Density); + end loop; + + -- fill remain size. + + Write + (File_In, + Buffer + (1 .. Stream_Element_Offset + (File_Size - Buffer'Length * Buffer_Count))); + + Flush (File_In); + Close (File_In); + end Generate_File; + + --------------------- + -- Print_Statistic -- + --------------------- + + procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count) is + use Ada.Calendar; + use Ada.Text_IO; + + package Count_IO is new Integer_IO (ZLib.Count); + + Curr_Dur : Duration := Clock - Time_Stamp; + begin + Put (Msg); + + Set_Col (20); + Ada.Text_IO.Put ("size ="); + + Count_IO.Put + (Data_Size, + Width => Stream_IO.Count'Image (File_Size)'Length); + + Put_Line (" duration =" & Duration'Image (Curr_Dur)); + end Print_Statistic; + + ----------- + -- Stamp -- + ----------- + + procedure Stamp is + begin + Time_Stamp := Ada.Calendar.Clock; + end Stamp; + +begin + Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version); + + loop + Generate_File; + + for Level in ZLib.Compression_Level'Range loop + + Ada.Text_IO.Put_Line ("Level =" + & ZLib.Compression_Level'Image (Level)); + + -- Test generic interface. + Open (File_In, In_File, In_File_Name); + Create (File_Out, Out_File, Z_File_Name); + + Stamp; + + -- Deflate using generic instantiation. + + ZLib.Deflate_Init + (Filter => Filter, + Level => Level, + Strategy => Strategy, + Header => Header); + + Translate (Filter); + Print_Statistic ("Generic compress", ZLib.Total_Out (Filter)); + ZLib.Close (Filter); + + Close (File_In); + Close (File_Out); + + Open (File_In, In_File, Z_File_Name); + Create (File_Out, Out_File, Out_File_Name); + + Stamp; + + -- Inflate using generic instantiation. + + ZLib.Inflate_Init (Filter, Header => Header); + + Translate (Filter); + Print_Statistic ("Generic decompress", ZLib.Total_Out (Filter)); + + ZLib.Close (Filter); + + Close (File_In); + Close (File_Out); + + Compare_Files (In_File_Name, Out_File_Name); + + -- Test stream interface. + + -- Compress to the back stream. + + Open (File_In, In_File, In_File_Name); + Create (File_Back, Out_File, Z_File_Name); + + Stamp; + + ZLib.Streams.Create + (Stream => File_Z, + Mode => ZLib.Streams.Out_Stream, + Back => ZLib.Streams.Stream_Access + (Stream (File_Back)), + Back_Compressed => True, + Level => Level, + Strategy => Strategy, + Header => Header); + + Copy_Streams + (Source => Stream (File_In).all, + Target => File_Z); + + -- Flushing internal buffers to the back stream. + + ZLib.Streams.Flush (File_Z, ZLib.Finish); + + Print_Statistic ("Write compress", + ZLib.Streams.Write_Total_Out (File_Z)); + + ZLib.Streams.Close (File_Z); + + Close (File_In); + Close (File_Back); + + -- Compare reading from original file and from + -- decompression stream. + + Open (File_In, In_File, In_File_Name); + Open (File_Back, In_File, Z_File_Name); + + ZLib.Streams.Create + (Stream => File_Z, + Mode => ZLib.Streams.In_Stream, + Back => ZLib.Streams.Stream_Access + (Stream (File_Back)), + Back_Compressed => True, + Header => Header); + + Stamp; + Compare_Streams (Stream (File_In).all, File_Z); + + Print_Statistic ("Read decompress", + ZLib.Streams.Read_Total_Out (File_Z)); + + ZLib.Streams.Close (File_Z); + Close (File_In); + Close (File_Back); + + -- Compress by reading from compression stream. + + Open (File_Back, In_File, In_File_Name); + Create (File_Out, Out_File, Z_File_Name); + + ZLib.Streams.Create + (Stream => File_Z, + Mode => ZLib.Streams.In_Stream, + Back => ZLib.Streams.Stream_Access + (Stream (File_Back)), + Back_Compressed => False, + Level => Level, + Strategy => Strategy, + Header => Header); + + Stamp; + Copy_Streams + (Source => File_Z, + Target => Stream (File_Out).all); + + Print_Statistic ("Read compress", + ZLib.Streams.Read_Total_Out (File_Z)); + + ZLib.Streams.Close (File_Z); + + Close (File_Out); + Close (File_Back); + + -- Decompress to decompression stream. + + Open (File_In, In_File, Z_File_Name); + Create (File_Back, Out_File, Out_File_Name); + + ZLib.Streams.Create + (Stream => File_Z, + Mode => ZLib.Streams.Out_Stream, + Back => ZLib.Streams.Stream_Access + (Stream (File_Back)), + Back_Compressed => False, + Header => Header); + + Stamp; + + Copy_Streams + (Source => Stream (File_In).all, + Target => File_Z); + + Print_Statistic ("Write decompress", + ZLib.Streams.Write_Total_Out (File_Z)); + + ZLib.Streams.Close (File_Z); + Close (File_In); + Close (File_Back); + + Compare_Files (In_File_Name, Out_File_Name); + end loop; + + Ada.Text_IO.Put_Line (Count'Image (File_Size) & " Ok."); + + exit when not Continuous; + + File_Size := File_Size + 1; + end loop; +end Test; diff --git a/contrib/ada/zlib-streams.adb b/contrib/ada/zlib-streams.adb new file mode 100644 index 0000000..b6497ba --- /dev/null +++ b/contrib/ada/zlib-streams.adb @@ -0,0 +1,225 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib-streams.adb,v 1.10 2004/05/31 10:53:40 vagul Exp $ + +with Ada.Unchecked_Deallocation; + +package body ZLib.Streams is + + ----------- + -- Close -- + ----------- + + procedure Close (Stream : in out Stream_Type) is + procedure Free is new Ada.Unchecked_Deallocation + (Stream_Element_Array, Buffer_Access); + begin + if Stream.Mode = Out_Stream or Stream.Mode = Duplex then + -- We should flush the data written by the writer. + + Flush (Stream, Finish); + + Close (Stream.Writer); + end if; + + if Stream.Mode = In_Stream or Stream.Mode = Duplex then + Close (Stream.Reader); + Free (Stream.Buffer); + end if; + end Close; + + ------------ + -- Create -- + ------------ + + procedure Create + (Stream : out Stream_Type; + Mode : in Stream_Mode; + Back : in Stream_Access; + Back_Compressed : in Boolean; + Level : in Compression_Level := Default_Compression; + Strategy : in Strategy_Type := Default_Strategy; + Header : in Header_Type := Default; + Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset + := Default_Buffer_Size; + Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset + := Default_Buffer_Size) + is + + subtype Buffer_Subtype is Stream_Element_Array (1 .. Read_Buffer_Size); + + procedure Init_Filter + (Filter : in out Filter_Type; + Compress : in Boolean); + + ----------------- + -- Init_Filter -- + ----------------- + + procedure Init_Filter + (Filter : in out Filter_Type; + Compress : in Boolean) is + begin + if Compress then + Deflate_Init + (Filter, Level, Strategy, Header => Header); + else + Inflate_Init (Filter, Header => Header); + end if; + end Init_Filter; + + begin + Stream.Back := Back; + Stream.Mode := Mode; + + if Mode = Out_Stream or Mode = Duplex then + Init_Filter (Stream.Writer, Back_Compressed); + Stream.Buffer_Size := Write_Buffer_Size; + else + Stream.Buffer_Size := 0; + end if; + + if Mode = In_Stream or Mode = Duplex then + Init_Filter (Stream.Reader, not Back_Compressed); + + Stream.Buffer := new Buffer_Subtype; + Stream.Rest_First := Stream.Buffer'Last + 1; + Stream.Rest_Last := Stream.Buffer'Last; + end if; + end Create; + + ----------- + -- Flush -- + ----------- + + procedure Flush + (Stream : in out Stream_Type; + Mode : in Flush_Mode := Sync_Flush) + is + Buffer : Stream_Element_Array (1 .. Stream.Buffer_Size); + Last : Stream_Element_Offset; + begin + loop + Flush (Stream.Writer, Buffer, Last, Mode); + + Ada.Streams.Write (Stream.Back.all, Buffer (1 .. Last)); + + exit when Last < Buffer'Last; + end loop; + end Flush; + + ------------- + -- Is_Open -- + ------------- + + function Is_Open (Stream : Stream_Type) return Boolean is + begin + return Is_Open (Stream.Reader) or else Is_Open (Stream.Writer); + end Is_Open; + + ---------- + -- Read -- + ---------- + + procedure Read + (Stream : in out Stream_Type; + Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) + is + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset); + + ---------- + -- Read -- + ---------- + + procedure Read + (Item : out Stream_Element_Array; + Last : out Stream_Element_Offset) is + begin + Ada.Streams.Read (Stream.Back.all, Item, Last); + end Read; + + procedure Read is new ZLib.Read + (Read => Read, + Buffer => Stream.Buffer.all, + Rest_First => Stream.Rest_First, + Rest_Last => Stream.Rest_Last); + + begin + Read (Stream.Reader, Item, Last); + end Read; + + ------------------- + -- Read_Total_In -- + ------------------- + + function Read_Total_In (Stream : in Stream_Type) return Count is + begin + return Total_In (Stream.Reader); + end Read_Total_In; + + -------------------- + -- Read_Total_Out -- + -------------------- + + function Read_Total_Out (Stream : in Stream_Type) return Count is + begin + return Total_Out (Stream.Reader); + end Read_Total_Out; + + ----------- + -- Write -- + ----------- + + procedure Write + (Stream : in out Stream_Type; + Item : in Stream_Element_Array) + is + + procedure Write (Item : in Stream_Element_Array); + + ----------- + -- Write -- + ----------- + + procedure Write (Item : in Stream_Element_Array) is + begin + Ada.Streams.Write (Stream.Back.all, Item); + end Write; + + procedure Write is new ZLib.Write + (Write => Write, + Buffer_Size => Stream.Buffer_Size); + + begin + Write (Stream.Writer, Item, No_Flush); + end Write; + + -------------------- + -- Write_Total_In -- + -------------------- + + function Write_Total_In (Stream : in Stream_Type) return Count is + begin + return Total_In (Stream.Writer); + end Write_Total_In; + + --------------------- + -- Write_Total_Out -- + --------------------- + + function Write_Total_Out (Stream : in Stream_Type) return Count is + begin + return Total_Out (Stream.Writer); + end Write_Total_Out; + +end ZLib.Streams; diff --git a/contrib/ada/zlib-streams.ads b/contrib/ada/zlib-streams.ads new file mode 100644 index 0000000..8e26cd4 --- /dev/null +++ b/contrib/ada/zlib-streams.ads @@ -0,0 +1,114 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib-streams.ads,v 1.12 2004/05/31 10:53:40 vagul Exp $ + +package ZLib.Streams is + + type Stream_Mode is (In_Stream, Out_Stream, Duplex); + + type Stream_Access is access all Ada.Streams.Root_Stream_Type'Class; + + type Stream_Type is + new Ada.Streams.Root_Stream_Type with private; + + procedure Read + (Stream : in out Stream_Type; + Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset); + + procedure Write + (Stream : in out Stream_Type; + Item : in Ada.Streams.Stream_Element_Array); + + procedure Flush + (Stream : in out Stream_Type; + Mode : in Flush_Mode := Sync_Flush); + -- Flush the written data to the back stream, + -- all data placed to the compressor is flushing to the Back stream. + -- Should not be used until necessary, because it is decreasing + -- compression. + + function Read_Total_In (Stream : in Stream_Type) return Count; + pragma Inline (Read_Total_In); + -- Return total number of bytes read from back stream so far. + + function Read_Total_Out (Stream : in Stream_Type) return Count; + pragma Inline (Read_Total_Out); + -- Return total number of bytes read so far. + + function Write_Total_In (Stream : in Stream_Type) return Count; + pragma Inline (Write_Total_In); + -- Return total number of bytes written so far. + + function Write_Total_Out (Stream : in Stream_Type) return Count; + pragma Inline (Write_Total_Out); + -- Return total number of bytes written to the back stream. + + procedure Create + (Stream : out Stream_Type; + Mode : in Stream_Mode; + Back : in Stream_Access; + Back_Compressed : in Boolean; + Level : in Compression_Level := Default_Compression; + Strategy : in Strategy_Type := Default_Strategy; + Header : in Header_Type := Default; + Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset + := Default_Buffer_Size; + Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset + := Default_Buffer_Size); + -- Create the Comression/Decompression stream. + -- If mode is In_Stream then Write operation is disabled. + -- If mode is Out_Stream then Read operation is disabled. + + -- If Back_Compressed is true then + -- Data written to the Stream is compressing to the Back stream + -- and data read from the Stream is decompressed data from the Back stream. + + -- If Back_Compressed is false then + -- Data written to the Stream is decompressing to the Back stream + -- and data read from the Stream is compressed data from the Back stream. + + -- !!! When the Need_Header is False ZLib-Ada is using undocumented + -- ZLib 1.1.4 functionality to do not create/wait for ZLib headers. + + function Is_Open (Stream : Stream_Type) return Boolean; + + procedure Close (Stream : in out Stream_Type); + +private + + use Ada.Streams; + + type Buffer_Access is access all Stream_Element_Array; + + type Stream_Type + is new Root_Stream_Type with + record + Mode : Stream_Mode; + + Buffer : Buffer_Access; + Rest_First : Stream_Element_Offset; + Rest_Last : Stream_Element_Offset; + -- Buffer for Read operation. + -- We need to have this buffer in the record + -- because not all read data from back stream + -- could be processed during the read operation. + + Buffer_Size : Stream_Element_Offset; + -- Buffer size for write operation. + -- We do not need to have this buffer + -- in the record because all data could be + -- processed in the write operation. + + Back : Stream_Access; + Reader : Filter_Type; + Writer : Filter_Type; + end record; + +end ZLib.Streams; diff --git a/contrib/ada/zlib-thin.adb b/contrib/ada/zlib-thin.adb new file mode 100644 index 0000000..0ca4a71 --- /dev/null +++ b/contrib/ada/zlib-thin.adb @@ -0,0 +1,141 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib-thin.adb,v 1.8 2003/12/14 18:27:31 vagul Exp $ + +package body ZLib.Thin is + + ZLIB_VERSION : constant Chars_Ptr := zlibVersion; + + Z_Stream_Size : constant Int := Z_Stream'Size / System.Storage_Unit; + + -------------- + -- Avail_In -- + -------------- + + function Avail_In (Strm : in Z_Stream) return UInt is + begin + return Strm.Avail_In; + end Avail_In; + + --------------- + -- Avail_Out -- + --------------- + + function Avail_Out (Strm : in Z_Stream) return UInt is + begin + return Strm.Avail_Out; + end Avail_Out; + + ------------------ + -- Deflate_Init -- + ------------------ + + function Deflate_Init + (strm : Z_Streamp; + level : Int; + method : Int; + windowBits : Int; + memLevel : Int; + strategy : Int) + return Int is + begin + return deflateInit2 + (strm, + level, + method, + windowBits, + memLevel, + strategy, + ZLIB_VERSION, + Z_Stream_Size); + end Deflate_Init; + + ------------------ + -- Inflate_Init -- + ------------------ + + function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int is + begin + return inflateInit2 (strm, windowBits, ZLIB_VERSION, Z_Stream_Size); + end Inflate_Init; + + ------------------------ + -- Last_Error_Message -- + ------------------------ + + function Last_Error_Message (Strm : in Z_Stream) return String is + use Interfaces.C.Strings; + begin + if Strm.msg = Null_Ptr then + return ""; + else + return Value (Strm.msg); + end if; + end Last_Error_Message; + + ------------ + -- Set_In -- + ------------ + + procedure Set_In + (Strm : in out Z_Stream; + Buffer : in Voidp; + Size : in UInt) is + begin + Strm.Next_In := Buffer; + Strm.Avail_In := Size; + end Set_In; + + ------------------ + -- Set_Mem_Func -- + ------------------ + + procedure Set_Mem_Func + (Strm : in out Z_Stream; + Opaque : in Voidp; + Alloc : in alloc_func; + Free : in free_func) is + begin + Strm.opaque := Opaque; + Strm.zalloc := Alloc; + Strm.zfree := Free; + end Set_Mem_Func; + + ------------- + -- Set_Out -- + ------------- + + procedure Set_Out + (Strm : in out Z_Stream; + Buffer : in Voidp; + Size : in UInt) is + begin + Strm.Next_Out := Buffer; + Strm.Avail_Out := Size; + end Set_Out; + + -------------- + -- Total_In -- + -------------- + + function Total_In (Strm : in Z_Stream) return ULong is + begin + return Strm.Total_In; + end Total_In; + + --------------- + -- Total_Out -- + --------------- + + function Total_Out (Strm : in Z_Stream) return ULong is + begin + return Strm.Total_Out; + end Total_Out; + +end ZLib.Thin; diff --git a/contrib/ada/zlib-thin.ads b/contrib/ada/zlib-thin.ads new file mode 100644 index 0000000..810173c --- /dev/null +++ b/contrib/ada/zlib-thin.ads @@ -0,0 +1,450 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2003 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib-thin.ads,v 1.11 2004/07/23 06:33:11 vagul Exp $ + +with Interfaces.C.Strings; + +with System; + +private package ZLib.Thin is + + -- From zconf.h + + MAX_MEM_LEVEL : constant := 9; -- zconf.h:105 + -- zconf.h:105 + MAX_WBITS : constant := 15; -- zconf.h:115 + -- 32K LZ77 window + -- zconf.h:115 + SEEK_SET : constant := 8#0000#; -- zconf.h:244 + -- Seek from beginning of file. + -- zconf.h:244 + SEEK_CUR : constant := 1; -- zconf.h:245 + -- Seek from current position. + -- zconf.h:245 + SEEK_END : constant := 2; -- zconf.h:246 + -- Set file pointer to EOF plus "offset" + -- zconf.h:246 + + type Byte is new Interfaces.C.unsigned_char; -- 8 bits + -- zconf.h:214 + type UInt is new Interfaces.C.unsigned; -- 16 bits or more + -- zconf.h:216 + type Int is new Interfaces.C.int; + + type ULong is new Interfaces.C.unsigned_long; -- 32 bits or more + -- zconf.h:217 + subtype Chars_Ptr is Interfaces.C.Strings.chars_ptr; + + type ULong_Access is access ULong; + type Int_Access is access Int; + + subtype Voidp is System.Address; -- zconf.h:232 + + subtype Byte_Access is Voidp; + + Nul : constant Voidp := System.Null_Address; + -- end from zconf + + Z_NO_FLUSH : constant := 8#0000#; -- zlib.h:125 + -- zlib.h:125 + Z_PARTIAL_FLUSH : constant := 1; -- zlib.h:126 + -- will be removed, use + -- Z_SYNC_FLUSH instead + -- zlib.h:126 + Z_SYNC_FLUSH : constant := 2; -- zlib.h:127 + -- zlib.h:127 + Z_FULL_FLUSH : constant := 3; -- zlib.h:128 + -- zlib.h:128 + Z_FINISH : constant := 4; -- zlib.h:129 + -- zlib.h:129 + Z_OK : constant := 8#0000#; -- zlib.h:132 + -- zlib.h:132 + Z_STREAM_END : constant := 1; -- zlib.h:133 + -- zlib.h:133 + Z_NEED_DICT : constant := 2; -- zlib.h:134 + -- zlib.h:134 + Z_ERRNO : constant := -1; -- zlib.h:135 + -- zlib.h:135 + Z_STREAM_ERROR : constant := -2; -- zlib.h:136 + -- zlib.h:136 + Z_DATA_ERROR : constant := -3; -- zlib.h:137 + -- zlib.h:137 + Z_MEM_ERROR : constant := -4; -- zlib.h:138 + -- zlib.h:138 + Z_BUF_ERROR : constant := -5; -- zlib.h:139 + -- zlib.h:139 + Z_VERSION_ERROR : constant := -6; -- zlib.h:140 + -- zlib.h:140 + Z_NO_COMPRESSION : constant := 8#0000#; -- zlib.h:145 + -- zlib.h:145 + Z_BEST_SPEED : constant := 1; -- zlib.h:146 + -- zlib.h:146 + Z_BEST_COMPRESSION : constant := 9; -- zlib.h:147 + -- zlib.h:147 + Z_DEFAULT_COMPRESSION : constant := -1; -- zlib.h:148 + -- zlib.h:148 + Z_FILTERED : constant := 1; -- zlib.h:151 + -- zlib.h:151 + Z_HUFFMAN_ONLY : constant := 2; -- zlib.h:152 + -- zlib.h:152 + Z_DEFAULT_STRATEGY : constant := 8#0000#; -- zlib.h:153 + -- zlib.h:153 + Z_BINARY : constant := 8#0000#; -- zlib.h:156 + -- zlib.h:156 + Z_ASCII : constant := 1; -- zlib.h:157 + -- zlib.h:157 + Z_UNKNOWN : constant := 2; -- zlib.h:158 + -- zlib.h:158 + Z_DEFLATED : constant := 8; -- zlib.h:161 + -- zlib.h:161 + Z_NULL : constant := 8#0000#; -- zlib.h:164 + -- for initializing zalloc, zfree, opaque + -- zlib.h:164 + type gzFile is new Voidp; -- zlib.h:646 + + type Z_Stream is private; + + type Z_Streamp is access all Z_Stream; -- zlib.h:89 + + type alloc_func is access function + (Opaque : Voidp; + Items : UInt; + Size : UInt) + return Voidp; -- zlib.h:63 + + type free_func is access procedure (opaque : Voidp; address : Voidp); + + function zlibVersion return Chars_Ptr; + + function Deflate (strm : Z_Streamp; flush : Int) return Int; + + function DeflateEnd (strm : Z_Streamp) return Int; + + function Inflate (strm : Z_Streamp; flush : Int) return Int; + + function InflateEnd (strm : Z_Streamp) return Int; + + function deflateSetDictionary + (strm : Z_Streamp; + dictionary : Byte_Access; + dictLength : UInt) + return Int; + + function deflateCopy (dest : Z_Streamp; source : Z_Streamp) return Int; + -- zlib.h:478 + + function deflateReset (strm : Z_Streamp) return Int; -- zlib.h:495 + + function deflateParams + (strm : Z_Streamp; + level : Int; + strategy : Int) + return Int; -- zlib.h:506 + + function inflateSetDictionary + (strm : Z_Streamp; + dictionary : Byte_Access; + dictLength : UInt) + return Int; -- zlib.h:548 + + function inflateSync (strm : Z_Streamp) return Int; -- zlib.h:565 + + function inflateReset (strm : Z_Streamp) return Int; -- zlib.h:580 + + function compress + (dest : Byte_Access; + destLen : ULong_Access; + source : Byte_Access; + sourceLen : ULong) + return Int; -- zlib.h:601 + + function compress2 + (dest : Byte_Access; + destLen : ULong_Access; + source : Byte_Access; + sourceLen : ULong; + level : Int) + return Int; -- zlib.h:615 + + function uncompress + (dest : Byte_Access; + destLen : ULong_Access; + source : Byte_Access; + sourceLen : ULong) + return Int; + + function gzopen (path : Chars_Ptr; mode : Chars_Ptr) return gzFile; + + function gzdopen (fd : Int; mode : Chars_Ptr) return gzFile; + + function gzsetparams + (file : gzFile; + level : Int; + strategy : Int) + return Int; + + function gzread + (file : gzFile; + buf : Voidp; + len : UInt) + return Int; + + function gzwrite + (file : in gzFile; + buf : in Voidp; + len : in UInt) + return Int; + + function gzprintf (file : in gzFile; format : in Chars_Ptr) return Int; + + function gzputs (file : in gzFile; s : in Chars_Ptr) return Int; + + function gzgets + (file : gzFile; + buf : Chars_Ptr; + len : Int) + return Chars_Ptr; + + function gzputc (file : gzFile; char : Int) return Int; + + function gzgetc (file : gzFile) return Int; + + function gzflush (file : gzFile; flush : Int) return Int; + + function gzseek + (file : gzFile; + offset : Int; + whence : Int) + return Int; + + function gzrewind (file : gzFile) return Int; + + function gztell (file : gzFile) return Int; + + function gzeof (file : gzFile) return Int; + + function gzclose (file : gzFile) return Int; + + function gzerror (file : gzFile; errnum : Int_Access) return Chars_Ptr; + + function adler32 + (adler : ULong; + buf : Byte_Access; + len : UInt) + return ULong; + + function crc32 + (crc : ULong; + buf : Byte_Access; + len : UInt) + return ULong; + + function deflateInit + (strm : Z_Streamp; + level : Int; + version : Chars_Ptr; + stream_size : Int) + return Int; + + function deflateInit2 + (strm : Z_Streamp; + level : Int; + method : Int; + windowBits : Int; + memLevel : Int; + strategy : Int; + version : Chars_Ptr; + stream_size : Int) + return Int; + + function Deflate_Init + (strm : Z_Streamp; + level : Int; + method : Int; + windowBits : Int; + memLevel : Int; + strategy : Int) + return Int; + pragma Inline (Deflate_Init); + + function inflateInit + (strm : Z_Streamp; + version : Chars_Ptr; + stream_size : Int) + return Int; + + function inflateInit2 + (strm : in Z_Streamp; + windowBits : in Int; + version : in Chars_Ptr; + stream_size : in Int) + return Int; + + function inflateBackInit + (strm : in Z_Streamp; + windowBits : in Int; + window : in Byte_Access; + version : in Chars_Ptr; + stream_size : in Int) + return Int; + -- Size of window have to be 2**windowBits. + + function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int; + pragma Inline (Inflate_Init); + + function zError (err : Int) return Chars_Ptr; + + function inflateSyncPoint (z : Z_Streamp) return Int; + + function get_crc_table return ULong_Access; + + -- Interface to the available fields of the z_stream structure. + -- The application must update next_in and avail_in when avail_in has + -- dropped to zero. It must update next_out and avail_out when avail_out + -- has dropped to zero. The application must initialize zalloc, zfree and + -- opaque before calling the init function. + + procedure Set_In + (Strm : in out Z_Stream; + Buffer : in Voidp; + Size : in UInt); + pragma Inline (Set_In); + + procedure Set_Out + (Strm : in out Z_Stream; + Buffer : in Voidp; + Size : in UInt); + pragma Inline (Set_Out); + + procedure Set_Mem_Func + (Strm : in out Z_Stream; + Opaque : in Voidp; + Alloc : in alloc_func; + Free : in free_func); + pragma Inline (Set_Mem_Func); + + function Last_Error_Message (Strm : in Z_Stream) return String; + pragma Inline (Last_Error_Message); + + function Avail_Out (Strm : in Z_Stream) return UInt; + pragma Inline (Avail_Out); + + function Avail_In (Strm : in Z_Stream) return UInt; + pragma Inline (Avail_In); + + function Total_In (Strm : in Z_Stream) return ULong; + pragma Inline (Total_In); + + function Total_Out (Strm : in Z_Stream) return ULong; + pragma Inline (Total_Out); + + function inflateCopy + (dest : in Z_Streamp; + Source : in Z_Streamp) + return Int; + + function compressBound (Source_Len : in ULong) return ULong; + + function deflateBound + (Strm : in Z_Streamp; + Source_Len : in ULong) + return ULong; + + function gzungetc (C : in Int; File : in gzFile) return Int; + + function zlibCompileFlags return ULong; + +private + + type Z_Stream is record -- zlib.h:68 + Next_In : Voidp := Nul; -- next input byte + Avail_In : UInt := 0; -- number of bytes available at next_in + Total_In : ULong := 0; -- total nb of input bytes read so far + Next_Out : Voidp := Nul; -- next output byte should be put there + Avail_Out : UInt := 0; -- remaining free space at next_out + Total_Out : ULong := 0; -- total nb of bytes output so far + msg : Chars_Ptr; -- last error message, NULL if no error + state : Voidp; -- not visible by applications + zalloc : alloc_func := null; -- used to allocate the internal state + zfree : free_func := null; -- used to free the internal state + opaque : Voidp; -- private data object passed to + -- zalloc and zfree + data_type : Int; -- best guess about the data type: + -- ascii or binary + adler : ULong; -- adler32 value of the uncompressed + -- data + reserved : ULong; -- reserved for future use + end record; + + pragma Convention (C, Z_Stream); + + pragma Import (C, zlibVersion, "zlibVersion"); + pragma Import (C, Deflate, "deflate"); + pragma Import (C, DeflateEnd, "deflateEnd"); + pragma Import (C, Inflate, "inflate"); + pragma Import (C, InflateEnd, "inflateEnd"); + pragma Import (C, deflateSetDictionary, "deflateSetDictionary"); + pragma Import (C, deflateCopy, "deflateCopy"); + pragma Import (C, deflateReset, "deflateReset"); + pragma Import (C, deflateParams, "deflateParams"); + pragma Import (C, inflateSetDictionary, "inflateSetDictionary"); + pragma Import (C, inflateSync, "inflateSync"); + pragma Import (C, inflateReset, "inflateReset"); + pragma Import (C, compress, "compress"); + pragma Import (C, compress2, "compress2"); + pragma Import (C, uncompress, "uncompress"); + pragma Import (C, gzopen, "gzopen"); + pragma Import (C, gzdopen, "gzdopen"); + pragma Import (C, gzsetparams, "gzsetparams"); + pragma Import (C, gzread, "gzread"); + pragma Import (C, gzwrite, "gzwrite"); + pragma Import (C, gzprintf, "gzprintf"); + pragma Import (C, gzputs, "gzputs"); + pragma Import (C, gzgets, "gzgets"); + pragma Import (C, gzputc, "gzputc"); + pragma Import (C, gzgetc, "gzgetc"); + pragma Import (C, gzflush, "gzflush"); + pragma Import (C, gzseek, "gzseek"); + pragma Import (C, gzrewind, "gzrewind"); + pragma Import (C, gztell, "gztell"); + pragma Import (C, gzeof, "gzeof"); + pragma Import (C, gzclose, "gzclose"); + pragma Import (C, gzerror, "gzerror"); + pragma Import (C, adler32, "adler32"); + pragma Import (C, crc32, "crc32"); + pragma Import (C, deflateInit, "deflateInit_"); + pragma Import (C, inflateInit, "inflateInit_"); + pragma Import (C, deflateInit2, "deflateInit2_"); + pragma Import (C, inflateInit2, "inflateInit2_"); + pragma Import (C, zError, "zError"); + pragma Import (C, inflateSyncPoint, "inflateSyncPoint"); + pragma Import (C, get_crc_table, "get_crc_table"); + + -- since zlib 1.2.0: + + pragma Import (C, inflateCopy, "inflateCopy"); + pragma Import (C, compressBound, "compressBound"); + pragma Import (C, deflateBound, "deflateBound"); + pragma Import (C, gzungetc, "gzungetc"); + pragma Import (C, zlibCompileFlags, "zlibCompileFlags"); + + pragma Import (C, inflateBackInit, "inflateBackInit_"); + + -- I stopped binding the inflateBack routines, because realize that + -- it does not support zlib and gzip headers for now, and have no + -- symmetric deflateBack routines. + -- ZLib-Ada is symmetric regarding deflate/inflate data transformation + -- and has a similar generic callback interface for the + -- deflate/inflate transformation based on the regular Deflate/Inflate + -- routines. + + -- pragma Import (C, inflateBack, "inflateBack"); + -- pragma Import (C, inflateBackEnd, "inflateBackEnd"); + +end ZLib.Thin; diff --git a/contrib/ada/zlib.adb b/contrib/ada/zlib.adb new file mode 100644 index 0000000..8b6fd68 --- /dev/null +++ b/contrib/ada/zlib.adb @@ -0,0 +1,701 @@ +---------------------------------------------------------------- +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2004 Dmitriy Anisimkov -- +-- -- +-- Open source license information is in the zlib.ads file. -- +---------------------------------------------------------------- + +-- $Id: zlib.adb,v 1.31 2004/09/06 06:53:19 vagul Exp $ + +with Ada.Exceptions; +with Ada.Unchecked_Conversion; +with Ada.Unchecked_Deallocation; + +with Interfaces.C.Strings; + +with ZLib.Thin; + +package body ZLib is + + use type Thin.Int; + + type Z_Stream is new Thin.Z_Stream; + + type Return_Code_Enum is + (OK, + STREAM_END, + NEED_DICT, + ERRNO, + STREAM_ERROR, + DATA_ERROR, + MEM_ERROR, + BUF_ERROR, + VERSION_ERROR); + + type Flate_Step_Function is access + function (Strm : in Thin.Z_Streamp; Flush : in Thin.Int) return Thin.Int; + pragma Convention (C, Flate_Step_Function); + + type Flate_End_Function is access + function (Ctrm : in Thin.Z_Streamp) return Thin.Int; + pragma Convention (C, Flate_End_Function); + + type Flate_Type is record + Step : Flate_Step_Function; + Done : Flate_End_Function; + end record; + + subtype Footer_Array is Stream_Element_Array (1 .. 8); + + Simple_GZip_Header : constant Stream_Element_Array (1 .. 10) + := (16#1f#, 16#8b#, -- Magic header + 16#08#, -- Z_DEFLATED + 16#00#, -- Flags + 16#00#, 16#00#, 16#00#, 16#00#, -- Time + 16#00#, -- XFlags + 16#03# -- OS code + ); + -- The simplest gzip header is not for informational, but just for + -- gzip format compatibility. + -- Note that some code below is using assumption + -- Simple_GZip_Header'Last > Footer_Array'Last, so do not make + -- Simple_GZip_Header'Last <= Footer_Array'Last. + + Return_Code : constant array (Thin.Int range <>) of Return_Code_Enum + := (0 => OK, + 1 => STREAM_END, + 2 => NEED_DICT, + -1 => ERRNO, + -2 => STREAM_ERROR, + -3 => DATA_ERROR, + -4 => MEM_ERROR, + -5 => BUF_ERROR, + -6 => VERSION_ERROR); + + Flate : constant array (Boolean) of Flate_Type + := (True => (Step => Thin.Deflate'Access, + Done => Thin.DeflateEnd'Access), + False => (Step => Thin.Inflate'Access, + Done => Thin.InflateEnd'Access)); + + Flush_Finish : constant array (Boolean) of Flush_Mode + := (True => Finish, False => No_Flush); + + procedure Raise_Error (Stream : in Z_Stream); + pragma Inline (Raise_Error); + + procedure Raise_Error (Message : in String); + pragma Inline (Raise_Error); + + procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int); + + procedure Free is new Ada.Unchecked_Deallocation + (Z_Stream, Z_Stream_Access); + + function To_Thin_Access is new Ada.Unchecked_Conversion + (Z_Stream_Access, Thin.Z_Streamp); + + procedure Translate_GZip + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode); + -- Separate translate routine for make gzip header. + + procedure Translate_Auto + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode); + -- translate routine without additional headers. + + ----------------- + -- Check_Error -- + ----------------- + + procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int) is + use type Thin.Int; + begin + if Code /= Thin.Z_OK then + Raise_Error + (Return_Code_Enum'Image (Return_Code (Code)) + & ": " & Last_Error_Message (Stream)); + end if; + end Check_Error; + + ----------- + -- Close -- + ----------- + + procedure Close + (Filter : in out Filter_Type; + Ignore_Error : in Boolean := False) + is + Code : Thin.Int; + begin + if not Ignore_Error and then not Is_Open (Filter) then + raise Status_Error; + end if; + + Code := Flate (Filter.Compression).Done (To_Thin_Access (Filter.Strm)); + + if Ignore_Error or else Code = Thin.Z_OK then + Free (Filter.Strm); + else + declare + Error_Message : constant String + := Last_Error_Message (Filter.Strm.all); + begin + Free (Filter.Strm); + Ada.Exceptions.Raise_Exception + (ZLib_Error'Identity, + Return_Code_Enum'Image (Return_Code (Code)) + & ": " & Error_Message); + end; + end if; + end Close; + + ----------- + -- CRC32 -- + ----------- + + function CRC32 + (CRC : in Unsigned_32; + Data : in Ada.Streams.Stream_Element_Array) + return Unsigned_32 + is + use Thin; + begin + return Unsigned_32 (crc32 (ULong (CRC), + Data'Address, + Data'Length)); + end CRC32; + + procedure CRC32 + (CRC : in out Unsigned_32; + Data : in Ada.Streams.Stream_Element_Array) is + begin + CRC := CRC32 (CRC, Data); + end CRC32; + + ------------------ + -- Deflate_Init -- + ------------------ + + procedure Deflate_Init + (Filter : in out Filter_Type; + Level : in Compression_Level := Default_Compression; + Strategy : in Strategy_Type := Default_Strategy; + Method : in Compression_Method := Deflated; + Window_Bits : in Window_Bits_Type := Default_Window_Bits; + Memory_Level : in Memory_Level_Type := Default_Memory_Level; + Header : in Header_Type := Default) + is + use type Thin.Int; + Win_Bits : Thin.Int := Thin.Int (Window_Bits); + begin + if Is_Open (Filter) then + raise Status_Error; + end if; + + -- We allow ZLib to make header only in case of default header type. + -- Otherwise we would either do header by ourselfs, or do not do + -- header at all. + + if Header = None or else Header = GZip then + Win_Bits := -Win_Bits; + end if; + + -- For the GZip CRC calculation and make headers. + + if Header = GZip then + Filter.CRC := 0; + Filter.Offset := Simple_GZip_Header'First; + else + Filter.Offset := Simple_GZip_Header'Last + 1; + end if; + + Filter.Strm := new Z_Stream; + Filter.Compression := True; + Filter.Stream_End := False; + Filter.Header := Header; + + if Thin.Deflate_Init + (To_Thin_Access (Filter.Strm), + Level => Thin.Int (Level), + method => Thin.Int (Method), + windowBits => Win_Bits, + memLevel => Thin.Int (Memory_Level), + strategy => Thin.Int (Strategy)) /= Thin.Z_OK + then + Raise_Error (Filter.Strm.all); + end if; + end Deflate_Init; + + ----------- + -- Flush -- + ----------- + + procedure Flush + (Filter : in out Filter_Type; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode) + is + No_Data : Stream_Element_Array := (1 .. 0 => 0); + Last : Stream_Element_Offset; + begin + Translate (Filter, No_Data, Last, Out_Data, Out_Last, Flush); + end Flush; + + ----------------------- + -- Generic_Translate -- + ----------------------- + + procedure Generic_Translate + (Filter : in out ZLib.Filter_Type; + In_Buffer_Size : in Integer := Default_Buffer_Size; + Out_Buffer_Size : in Integer := Default_Buffer_Size) + is + In_Buffer : Stream_Element_Array + (1 .. Stream_Element_Offset (In_Buffer_Size)); + Out_Buffer : Stream_Element_Array + (1 .. Stream_Element_Offset (Out_Buffer_Size)); + Last : Stream_Element_Offset; + In_Last : Stream_Element_Offset; + In_First : Stream_Element_Offset; + Out_Last : Stream_Element_Offset; + begin + Main : loop + Data_In (In_Buffer, Last); + + In_First := In_Buffer'First; + + loop + Translate + (Filter => Filter, + In_Data => In_Buffer (In_First .. Last), + In_Last => In_Last, + Out_Data => Out_Buffer, + Out_Last => Out_Last, + Flush => Flush_Finish (Last < In_Buffer'First)); + + if Out_Buffer'First <= Out_Last then + Data_Out (Out_Buffer (Out_Buffer'First .. Out_Last)); + end if; + + exit Main when Stream_End (Filter); + + -- The end of in buffer. + + exit when In_Last = Last; + + In_First := In_Last + 1; + end loop; + end loop Main; + + end Generic_Translate; + + ------------------ + -- Inflate_Init -- + ------------------ + + procedure Inflate_Init + (Filter : in out Filter_Type; + Window_Bits : in Window_Bits_Type := Default_Window_Bits; + Header : in Header_Type := Default) + is + use type Thin.Int; + Win_Bits : Thin.Int := Thin.Int (Window_Bits); + + procedure Check_Version; + -- Check the latest header types compatibility. + + procedure Check_Version is + begin + if Version <= "1.1.4" then + Raise_Error + ("Inflate header type " & Header_Type'Image (Header) + & " incompatible with ZLib version " & Version); + end if; + end Check_Version; + + begin + if Is_Open (Filter) then + raise Status_Error; + end if; + + case Header is + when None => + Check_Version; + + -- Inflate data without headers determined + -- by negative Win_Bits. + + Win_Bits := -Win_Bits; + when GZip => + Check_Version; + + -- Inflate gzip data defined by flag 16. + + Win_Bits := Win_Bits + 16; + when Auto => + Check_Version; + + -- Inflate with automatic detection + -- of gzip or native header defined by flag 32. + + Win_Bits := Win_Bits + 32; + when Default => null; + end case; + + Filter.Strm := new Z_Stream; + Filter.Compression := False; + Filter.Stream_End := False; + Filter.Header := Header; + + if Thin.Inflate_Init + (To_Thin_Access (Filter.Strm), Win_Bits) /= Thin.Z_OK + then + Raise_Error (Filter.Strm.all); + end if; + end Inflate_Init; + + ------------- + -- Is_Open -- + ------------- + + function Is_Open (Filter : in Filter_Type) return Boolean is + begin + return Filter.Strm /= null; + end Is_Open; + + ----------------- + -- Raise_Error -- + ----------------- + + procedure Raise_Error (Message : in String) is + begin + Ada.Exceptions.Raise_Exception (ZLib_Error'Identity, Message); + end Raise_Error; + + procedure Raise_Error (Stream : in Z_Stream) is + begin + Raise_Error (Last_Error_Message (Stream)); + end Raise_Error; + + ---------- + -- Read -- + ---------- + + procedure Read + (Filter : in out Filter_Type; + Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode := No_Flush) + is + In_Last : Stream_Element_Offset; + Item_First : Ada.Streams.Stream_Element_Offset := Item'First; + V_Flush : Flush_Mode := Flush; + + begin + pragma Assert (Rest_First in Buffer'First .. Buffer'Last + 1); + pragma Assert (Rest_Last in Buffer'First - 1 .. Buffer'Last); + + loop + if Rest_Last = Buffer'First - 1 then + V_Flush := Finish; + + elsif Rest_First > Rest_Last then + Read (Buffer, Rest_Last); + Rest_First := Buffer'First; + + if Rest_Last < Buffer'First then + V_Flush := Finish; + end if; + end if; + + Translate + (Filter => Filter, + In_Data => Buffer (Rest_First .. Rest_Last), + In_Last => In_Last, + Out_Data => Item (Item_First .. Item'Last), + Out_Last => Last, + Flush => V_Flush); + + Rest_First := In_Last + 1; + + exit when Stream_End (Filter) + or else Last = Item'Last + or else (Last >= Item'First and then Allow_Read_Some); + + Item_First := Last + 1; + end loop; + end Read; + + ---------------- + -- Stream_End -- + ---------------- + + function Stream_End (Filter : in Filter_Type) return Boolean is + begin + if Filter.Header = GZip and Filter.Compression then + return Filter.Stream_End + and then Filter.Offset = Footer_Array'Last + 1; + else + return Filter.Stream_End; + end if; + end Stream_End; + + -------------- + -- Total_In -- + -------------- + + function Total_In (Filter : in Filter_Type) return Count is + begin + return Count (Thin.Total_In (To_Thin_Access (Filter.Strm).all)); + end Total_In; + + --------------- + -- Total_Out -- + --------------- + + function Total_Out (Filter : in Filter_Type) return Count is + begin + return Count (Thin.Total_Out (To_Thin_Access (Filter.Strm).all)); + end Total_Out; + + --------------- + -- Translate -- + --------------- + + procedure Translate + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode) is + begin + if Filter.Header = GZip and then Filter.Compression then + Translate_GZip + (Filter => Filter, + In_Data => In_Data, + In_Last => In_Last, + Out_Data => Out_Data, + Out_Last => Out_Last, + Flush => Flush); + else + Translate_Auto + (Filter => Filter, + In_Data => In_Data, + In_Last => In_Last, + Out_Data => Out_Data, + Out_Last => Out_Last, + Flush => Flush); + end if; + end Translate; + + -------------------- + -- Translate_Auto -- + -------------------- + + procedure Translate_Auto + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode) + is + use type Thin.Int; + Code : Thin.Int; + + begin + if not Is_Open (Filter) then + raise Status_Error; + end if; + + if Out_Data'Length = 0 and then In_Data'Length = 0 then + raise Constraint_Error; + end if; + + Set_Out (Filter.Strm.all, Out_Data'Address, Out_Data'Length); + Set_In (Filter.Strm.all, In_Data'Address, In_Data'Length); + + Code := Flate (Filter.Compression).Step + (To_Thin_Access (Filter.Strm), + Thin.Int (Flush)); + + if Code = Thin.Z_STREAM_END then + Filter.Stream_End := True; + else + Check_Error (Filter.Strm.all, Code); + end if; + + In_Last := In_Data'Last + - Stream_Element_Offset (Avail_In (Filter.Strm.all)); + Out_Last := Out_Data'Last + - Stream_Element_Offset (Avail_Out (Filter.Strm.all)); + end Translate_Auto; + + -------------------- + -- Translate_GZip -- + -------------------- + + procedure Translate_GZip + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode) + is + Out_First : Stream_Element_Offset; + + procedure Add_Data (Data : in Stream_Element_Array); + -- Add data to stream from the Filter.Offset till necessary, + -- used for add gzip headr/footer. + + procedure Put_32 + (Item : in out Stream_Element_Array; + Data : in Unsigned_32); + pragma Inline (Put_32); + + -------------- + -- Add_Data -- + -------------- + + procedure Add_Data (Data : in Stream_Element_Array) is + Data_First : Stream_Element_Offset renames Filter.Offset; + Data_Last : Stream_Element_Offset; + Data_Len : Stream_Element_Offset; -- -1 + Out_Len : Stream_Element_Offset; -- -1 + begin + Out_First := Out_Last + 1; + + if Data_First > Data'Last then + return; + end if; + + Data_Len := Data'Last - Data_First; + Out_Len := Out_Data'Last - Out_First; + + if Data_Len <= Out_Len then + Out_Last := Out_First + Data_Len; + Data_Last := Data'Last; + else + Out_Last := Out_Data'Last; + Data_Last := Data_First + Out_Len; + end if; + + Out_Data (Out_First .. Out_Last) := Data (Data_First .. Data_Last); + + Data_First := Data_Last + 1; + Out_First := Out_Last + 1; + end Add_Data; + + ------------ + -- Put_32 -- + ------------ + + procedure Put_32 + (Item : in out Stream_Element_Array; + Data : in Unsigned_32) + is + D : Unsigned_32 := Data; + begin + for J in Item'First .. Item'First + 3 loop + Item (J) := Stream_Element (D and 16#FF#); + D := Shift_Right (D, 8); + end loop; + end Put_32; + + begin + Out_Last := Out_Data'First - 1; + + if not Filter.Stream_End then + Add_Data (Simple_GZip_Header); + + Translate_Auto + (Filter => Filter, + In_Data => In_Data, + In_Last => In_Last, + Out_Data => Out_Data (Out_First .. Out_Data'Last), + Out_Last => Out_Last, + Flush => Flush); + + CRC32 (Filter.CRC, In_Data (In_Data'First .. In_Last)); + end if; + + if Filter.Stream_End and then Out_Last <= Out_Data'Last then + -- This detection method would work only when + -- Simple_GZip_Header'Last > Footer_Array'Last + + if Filter.Offset = Simple_GZip_Header'Last + 1 then + Filter.Offset := Footer_Array'First; + end if; + + declare + Footer : Footer_Array; + begin + Put_32 (Footer, Filter.CRC); + Put_32 (Footer (Footer'First + 4 .. Footer'Last), + Unsigned_32 (Total_In (Filter))); + Add_Data (Footer); + end; + end if; + end Translate_GZip; + + ------------- + -- Version -- + ------------- + + function Version return String is + begin + return Interfaces.C.Strings.Value (Thin.zlibVersion); + end Version; + + ----------- + -- Write -- + ----------- + + procedure Write + (Filter : in out Filter_Type; + Item : in Ada.Streams.Stream_Element_Array; + Flush : in Flush_Mode := No_Flush) + is + Buffer : Stream_Element_Array (1 .. Buffer_Size); + In_Last : Stream_Element_Offset; + Out_Last : Stream_Element_Offset; + In_First : Stream_Element_Offset := Item'First; + begin + if Item'Length = 0 and Flush = No_Flush then + return; + end if; + + loop + Translate + (Filter => Filter, + In_Data => Item (In_First .. Item'Last), + In_Last => In_Last, + Out_Data => Buffer, + Out_Last => Out_Last, + Flush => Flush); + + if Out_Last >= Buffer'First then + Write (Buffer (1 .. Out_Last)); + end if; + + exit when In_Last = Item'Last or Stream_End (Filter); + + In_First := In_Last + 1; + end loop; + end Write; + +end ZLib; diff --git a/contrib/ada/zlib.ads b/contrib/ada/zlib.ads new file mode 100644 index 0000000..79ffc40 --- /dev/null +++ b/contrib/ada/zlib.ads @@ -0,0 +1,328 @@ +------------------------------------------------------------------------------ +-- ZLib for Ada thick binding. -- +-- -- +-- Copyright (C) 2002-2004 Dmitriy Anisimkov -- +-- -- +-- This library is free software; you can redistribute it and/or modify -- +-- it under the terms of the GNU General Public License as published by -- +-- the Free Software Foundation; either version 2 of the License, or (at -- +-- your option) any later version. -- +-- -- +-- This library is distributed in the hope that it will be useful, but -- +-- WITHOUT ANY WARRANTY; without even the implied warranty of -- +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- +-- General Public License for more details. -- +-- -- +-- You should have received a copy of the GNU General Public License -- +-- along with this library; if not, write to the Free Software Foundation, -- +-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +------------------------------------------------------------------------------ + +-- $Id: zlib.ads,v 1.26 2004/09/06 06:53:19 vagul Exp $ + +with Ada.Streams; + +with Interfaces; + +package ZLib is + + ZLib_Error : exception; + Status_Error : exception; + + type Compression_Level is new Integer range -1 .. 9; + + type Flush_Mode is private; + + type Compression_Method is private; + + type Window_Bits_Type is new Integer range 8 .. 15; + + type Memory_Level_Type is new Integer range 1 .. 9; + + type Unsigned_32 is new Interfaces.Unsigned_32; + + type Strategy_Type is private; + + type Header_Type is (None, Auto, Default, GZip); + -- Header type usage have a some limitation for inflate. + -- See comment for Inflate_Init. + + subtype Count is Ada.Streams.Stream_Element_Count; + + Default_Memory_Level : constant Memory_Level_Type := 8; + Default_Window_Bits : constant Window_Bits_Type := 15; + + ---------------------------------- + -- Compression method constants -- + ---------------------------------- + + Deflated : constant Compression_Method; + -- Only one method allowed in this ZLib version + + --------------------------------- + -- Compression level constants -- + --------------------------------- + + No_Compression : constant Compression_Level := 0; + Best_Speed : constant Compression_Level := 1; + Best_Compression : constant Compression_Level := 9; + Default_Compression : constant Compression_Level := -1; + + -------------------------- + -- Flush mode constants -- + -------------------------- + + No_Flush : constant Flush_Mode; + -- Regular way for compression, no flush + + Partial_Flush : constant Flush_Mode; + -- Will be removed, use Z_SYNC_FLUSH instead + + Sync_Flush : constant Flush_Mode; + -- All pending output is flushed to the output buffer and the output + -- is aligned on a byte boundary, so that the decompressor can get all + -- input data available so far. (In particular avail_in is zero after the + -- call if enough output space has been provided before the call.) + -- Flushing may degrade compression for some compression algorithms and so + -- it should be used only when necessary. + + Block_Flush : constant Flush_Mode; + -- Z_BLOCK requests that inflate() stop + -- if and when it get to the next deflate block boundary. When decoding the + -- zlib or gzip format, this will cause inflate() to return immediately + -- after the header and before the first block. When doing a raw inflate, + -- inflate() will go ahead and process the first block, and will return + -- when it gets to the end of that block, or when it runs out of data. + + Full_Flush : constant Flush_Mode; + -- All output is flushed as with SYNC_FLUSH, and the compression state + -- is reset so that decompression can restart from this point if previous + -- compressed data has been damaged or if random access is desired. Using + -- Full_Flush too often can seriously degrade the compression. + + Finish : constant Flush_Mode; + -- Just for tell the compressor that input data is complete. + + ------------------------------------ + -- Compression strategy constants -- + ------------------------------------ + + -- RLE stategy could be used only in version 1.2.0 and later. + + Filtered : constant Strategy_Type; + Huffman_Only : constant Strategy_Type; + RLE : constant Strategy_Type; + Default_Strategy : constant Strategy_Type; + + Default_Buffer_Size : constant := 4096; + + type Filter_Type is tagged limited private; + -- The filter is for compression and for decompression. + -- The usage of the type is depend of its initialization. + + function Version return String; + pragma Inline (Version); + -- Return string representation of the ZLib version. + + procedure Deflate_Init + (Filter : in out Filter_Type; + Level : in Compression_Level := Default_Compression; + Strategy : in Strategy_Type := Default_Strategy; + Method : in Compression_Method := Deflated; + Window_Bits : in Window_Bits_Type := Default_Window_Bits; + Memory_Level : in Memory_Level_Type := Default_Memory_Level; + Header : in Header_Type := Default); + -- Compressor initialization. + -- When Header parameter is Auto or Default, then default zlib header + -- would be provided for compressed data. + -- When Header is GZip, then gzip header would be set instead of + -- default header. + -- When Header is None, no header would be set for compressed data. + + procedure Inflate_Init + (Filter : in out Filter_Type; + Window_Bits : in Window_Bits_Type := Default_Window_Bits; + Header : in Header_Type := Default); + -- Decompressor initialization. + -- Default header type mean that ZLib default header is expecting in the + -- input compressed stream. + -- Header type None mean that no header is expecting in the input stream. + -- GZip header type mean that GZip header is expecting in the + -- input compressed stream. + -- Auto header type mean that header type (GZip or Native) would be + -- detected automatically in the input stream. + -- Note that header types parameter values None, GZip and Auto are + -- supported for inflate routine only in ZLib versions 1.2.0.2 and later. + -- Deflate_Init is supporting all header types. + + function Is_Open (Filter : in Filter_Type) return Boolean; + pragma Inline (Is_Open); + -- Is the filter opened for compression or decompression. + + procedure Close + (Filter : in out Filter_Type; + Ignore_Error : in Boolean := False); + -- Closing the compression or decompressor. + -- If stream is closing before the complete and Ignore_Error is False, + -- The exception would be raised. + + generic + with procedure Data_In + (Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset); + with procedure Data_Out + (Item : in Ada.Streams.Stream_Element_Array); + procedure Generic_Translate + (Filter : in out Filter_Type; + In_Buffer_Size : in Integer := Default_Buffer_Size; + Out_Buffer_Size : in Integer := Default_Buffer_Size); + -- Compress/decompress data fetch from Data_In routine and pass the result + -- to the Data_Out routine. User should provide Data_In and Data_Out + -- for compression/decompression data flow. + -- Compression or decompression depend on Filter initialization. + + function Total_In (Filter : in Filter_Type) return Count; + pragma Inline (Total_In); + -- Returns total number of input bytes read so far + + function Total_Out (Filter : in Filter_Type) return Count; + pragma Inline (Total_Out); + -- Returns total number of bytes output so far + + function CRC32 + (CRC : in Unsigned_32; + Data : in Ada.Streams.Stream_Element_Array) + return Unsigned_32; + pragma Inline (CRC32); + -- Compute CRC32, it could be necessary for make gzip format + + procedure CRC32 + (CRC : in out Unsigned_32; + Data : in Ada.Streams.Stream_Element_Array); + pragma Inline (CRC32); + -- Compute CRC32, it could be necessary for make gzip format + + ------------------------------------------------- + -- Below is more complex low level routines. -- + ------------------------------------------------- + + procedure Translate + (Filter : in out Filter_Type; + In_Data : in Ada.Streams.Stream_Element_Array; + In_Last : out Ada.Streams.Stream_Element_Offset; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode); + -- Compress/decompress the In_Data buffer and place the result into + -- Out_Data. In_Last is the index of last element from In_Data accepted by + -- the Filter. Out_Last is the last element of the received data from + -- Filter. To tell the filter that incoming data are complete put the + -- Flush parameter to Finish. + + function Stream_End (Filter : in Filter_Type) return Boolean; + pragma Inline (Stream_End); + -- Return the true when the stream is complete. + + procedure Flush + (Filter : in out Filter_Type; + Out_Data : out Ada.Streams.Stream_Element_Array; + Out_Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode); + pragma Inline (Flush); + -- Flushing the data from the compressor. + + generic + with procedure Write + (Item : in Ada.Streams.Stream_Element_Array); + -- User should provide this routine for accept + -- compressed/decompressed data. + + Buffer_Size : in Ada.Streams.Stream_Element_Offset + := Default_Buffer_Size; + -- Buffer size for Write user routine. + + procedure Write + (Filter : in out Filter_Type; + Item : in Ada.Streams.Stream_Element_Array; + Flush : in Flush_Mode := No_Flush); + -- Compress/Decompress data from Item to the generic parameter procedure + -- Write. Output buffer size could be set in Buffer_Size generic parameter. + + generic + with procedure Read + (Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset); + -- User should provide data for compression/decompression + -- thru this routine. + + Buffer : in out Ada.Streams.Stream_Element_Array; + -- Buffer for keep remaining data from the previous + -- back read. + + Rest_First, Rest_Last : in out Ada.Streams.Stream_Element_Offset; + -- Rest_First have to be initialized to Buffer'Last + 1 + -- Rest_Last have to be initialized to Buffer'Last + -- before usage. + + Allow_Read_Some : in Boolean := False; + -- Is it allowed to return Last < Item'Last before end of data. + + procedure Read + (Filter : in out Filter_Type; + Item : out Ada.Streams.Stream_Element_Array; + Last : out Ada.Streams.Stream_Element_Offset; + Flush : in Flush_Mode := No_Flush); + -- Compress/Decompress data from generic parameter procedure Read to the + -- Item. User should provide Buffer and initialized Rest_First, Rest_Last + -- indicators. If Allow_Read_Some is True, Read routines could return + -- Last < Item'Last only at end of stream. + +private + + use Ada.Streams; + + pragma Assert (Ada.Streams.Stream_Element'Size = 8); + pragma Assert (Ada.Streams.Stream_Element'Modulus = 2**8); + + type Flush_Mode is new Integer range 0 .. 5; + + type Compression_Method is new Integer range 8 .. 8; + + type Strategy_Type is new Integer range 0 .. 3; + + No_Flush : constant Flush_Mode := 0; + Partial_Flush : constant Flush_Mode := 1; + Sync_Flush : constant Flush_Mode := 2; + Full_Flush : constant Flush_Mode := 3; + Finish : constant Flush_Mode := 4; + Block_Flush : constant Flush_Mode := 5; + + Filtered : constant Strategy_Type := 1; + Huffman_Only : constant Strategy_Type := 2; + RLE : constant Strategy_Type := 3; + Default_Strategy : constant Strategy_Type := 0; + + Deflated : constant Compression_Method := 8; + + type Z_Stream; + + type Z_Stream_Access is access all Z_Stream; + + type Filter_Type is tagged limited record + Strm : Z_Stream_Access; + Compression : Boolean; + Stream_End : Boolean; + Header : Header_Type; + CRC : Unsigned_32; + Offset : Stream_Element_Offset; + -- Offset for gzip header/footer output. + end record; + +end ZLib; diff --git a/contrib/ada/zlib.gpr b/contrib/ada/zlib.gpr new file mode 100644 index 0000000..296b22a --- /dev/null +++ b/contrib/ada/zlib.gpr @@ -0,0 +1,20 @@ +project Zlib is + + for Languages use ("Ada"); + for Source_Dirs use ("."); + for Object_Dir use "."; + for Main use ("test.adb", "mtest.adb", "read.adb", "buffer_demo"); + + package Compiler is + for Default_Switches ("ada") use ("-gnatwcfilopru", "-gnatVcdfimorst", "-gnatyabcefhiklmnoprst"); + end Compiler; + + package Linker is + for Default_Switches ("ada") use ("-lz"); + end Linker; + + package Builder is + for Default_Switches ("ada") use ("-s", "-gnatQ"); + end Builder; + +end Zlib; diff --git a/contrib/blast/Makefile b/contrib/blast/Makefile new file mode 100644 index 0000000..9be80ba --- /dev/null +++ b/contrib/blast/Makefile @@ -0,0 +1,8 @@ +blast: blast.c blast.h + cc -DTEST -o blast blast.c + +test: blast + blast < test.pk | cmp - test.txt + +clean: + rm -f blast blast.o diff --git a/contrib/blast/README b/contrib/blast/README new file mode 100644 index 0000000..e3a60b3 --- /dev/null +++ b/contrib/blast/README @@ -0,0 +1,4 @@ +Read blast.h for purpose and usage. + +Mark Adler +madler@alumni.caltech.edu diff --git a/contrib/blast/blast.c b/contrib/blast/blast.c new file mode 100644 index 0000000..e6e6590 --- /dev/null +++ b/contrib/blast/blast.c @@ -0,0 +1,466 @@ +/* blast.c + * Copyright (C) 2003, 2012, 2013 Mark Adler + * For conditions of distribution and use, see copyright notice in blast.h + * version 1.3, 24 Aug 2013 + * + * blast.c decompresses data compressed by the PKWare Compression Library. + * This function provides functionality similar to the explode() function of + * the PKWare library, hence the name "blast". + * + * This decompressor is based on the excellent format description provided by + * Ben Rudiak-Gould in comp.compression on August 13, 2001. Interestingly, the + * example Ben provided in the post is incorrect. The distance 110001 should + * instead be 111000. When corrected, the example byte stream becomes: + * + * 00 04 82 24 25 8f 80 7f + * + * which decompresses to "AIAIAIAIAIAIA" (without the quotes). + */ + +/* + * Change history: + * + * 1.0 12 Feb 2003 - First version + * 1.1 16 Feb 2003 - Fixed distance check for > 4 GB uncompressed data + * 1.2 24 Oct 2012 - Add note about using binary mode in stdio + * - Fix comparisons of differently signed integers + * 1.3 24 Aug 2013 - Return unused input from blast() + * - Fix test code to correctly report unused input + * - Enable the provision of initial input to blast() + */ + +#include /* for NULL */ +#include /* for setjmp(), longjmp(), and jmp_buf */ +#include "blast.h" /* prototype for blast() */ + +#define local static /* for local function definitions */ +#define MAXBITS 13 /* maximum code length */ +#define MAXWIN 4096 /* maximum window size */ + +/* input and output state */ +struct state { + /* input state */ + blast_in infun; /* input function provided by user */ + void *inhow; /* opaque information passed to infun() */ + unsigned char *in; /* next input location */ + unsigned left; /* available input at in */ + int bitbuf; /* bit buffer */ + int bitcnt; /* number of bits in bit buffer */ + + /* input limit error return state for bits() and decode() */ + jmp_buf env; + + /* output state */ + blast_out outfun; /* output function provided by user */ + void *outhow; /* opaque information passed to outfun() */ + unsigned next; /* index of next write location in out[] */ + int first; /* true to check distances (for first 4K) */ + unsigned char out[MAXWIN]; /* output buffer and sliding window */ +}; + +/* + * Return need bits from the input stream. This always leaves less than + * eight bits in the buffer. bits() works properly for need == 0. + * + * Format notes: + * + * - Bits are stored in bytes from the least significant bit to the most + * significant bit. Therefore bits are dropped from the bottom of the bit + * buffer, using shift right, and new bytes are appended to the top of the + * bit buffer, using shift left. + */ +local int bits(struct state *s, int need) +{ + int val; /* bit accumulator */ + + /* load at least need bits into val */ + val = s->bitbuf; + while (s->bitcnt < need) { + if (s->left == 0) { + s->left = s->infun(s->inhow, &(s->in)); + if (s->left == 0) longjmp(s->env, 1); /* out of input */ + } + val |= (int)(*(s->in)++) << s->bitcnt; /* load eight bits */ + s->left--; + s->bitcnt += 8; + } + + /* drop need bits and update buffer, always zero to seven bits left */ + s->bitbuf = val >> need; + s->bitcnt -= need; + + /* return need bits, zeroing the bits above that */ + return val & ((1 << need) - 1); +} + +/* + * Huffman code decoding tables. count[1..MAXBITS] is the number of symbols of + * each length, which for a canonical code are stepped through in order. + * symbol[] are the symbol values in canonical order, where the number of + * entries is the sum of the counts in count[]. The decoding process can be + * seen in the function decode() below. + */ +struct huffman { + short *count; /* number of symbols of each length */ + short *symbol; /* canonically ordered symbols */ +}; + +/* + * Decode a code from the stream s using huffman table h. Return the symbol or + * a negative value if there is an error. If all of the lengths are zero, i.e. + * an empty code, or if the code is incomplete and an invalid code is received, + * then -9 is returned after reading MAXBITS bits. + * + * Format notes: + * + * - The codes as stored in the compressed data are bit-reversed relative to + * a simple integer ordering of codes of the same lengths. Hence below the + * bits are pulled from the compressed data one at a time and used to + * build the code value reversed from what is in the stream in order to + * permit simple integer comparisons for decoding. + * + * - The first code for the shortest length is all ones. Subsequent codes of + * the same length are simply integer decrements of the previous code. When + * moving up a length, a one bit is appended to the code. For a complete + * code, the last code of the longest length will be all zeros. To support + * this ordering, the bits pulled during decoding are inverted to apply the + * more "natural" ordering starting with all zeros and incrementing. + */ +local int decode(struct state *s, struct huffman *h) +{ + int len; /* current number of bits in code */ + int code; /* len bits being decoded */ + int first; /* first code of length len */ + int count; /* number of codes of length len */ + int index; /* index of first code of length len in symbol table */ + int bitbuf; /* bits from stream */ + int left; /* bits left in next or left to process */ + short *next; /* next number of codes */ + + bitbuf = s->bitbuf; + left = s->bitcnt; + code = first = index = 0; + len = 1; + next = h->count + 1; + while (1) { + while (left--) { + code |= (bitbuf & 1) ^ 1; /* invert code */ + bitbuf >>= 1; + count = *next++; + if (code < first + count) { /* if length len, return symbol */ + s->bitbuf = bitbuf; + s->bitcnt = (s->bitcnt - len) & 7; + return h->symbol[index + (code - first)]; + } + index += count; /* else update for next length */ + first += count; + first <<= 1; + code <<= 1; + len++; + } + left = (MAXBITS+1) - len; + if (left == 0) break; + if (s->left == 0) { + s->left = s->infun(s->inhow, &(s->in)); + if (s->left == 0) longjmp(s->env, 1); /* out of input */ + } + bitbuf = *(s->in)++; + s->left--; + if (left > 8) left = 8; + } + return -9; /* ran out of codes */ +} + +/* + * Given a list of repeated code lengths rep[0..n-1], where each byte is a + * count (high four bits + 1) and a code length (low four bits), generate the + * list of code lengths. This compaction reduces the size of the object code. + * Then given the list of code lengths length[0..n-1] representing a canonical + * Huffman code for n symbols, construct the tables required to decode those + * codes. Those tables are the number of codes of each length, and the symbols + * sorted by length, retaining their original order within each length. The + * return value is zero for a complete code set, negative for an over- + * subscribed code set, and positive for an incomplete code set. The tables + * can be used if the return value is zero or positive, but they cannot be used + * if the return value is negative. If the return value is zero, it is not + * possible for decode() using that table to return an error--any stream of + * enough bits will resolve to a symbol. If the return value is positive, then + * it is possible for decode() using that table to return an error for received + * codes past the end of the incomplete lengths. + */ +local int construct(struct huffman *h, const unsigned char *rep, int n) +{ + int symbol; /* current symbol when stepping through length[] */ + int len; /* current length when stepping through h->count[] */ + int left; /* number of possible codes left of current length */ + short offs[MAXBITS+1]; /* offsets in symbol table for each length */ + short length[256]; /* code lengths */ + + /* convert compact repeat counts into symbol bit length list */ + symbol = 0; + do { + len = *rep++; + left = (len >> 4) + 1; + len &= 15; + do { + length[symbol++] = len; + } while (--left); + } while (--n); + n = symbol; + + /* count number of codes of each length */ + for (len = 0; len <= MAXBITS; len++) + h->count[len] = 0; + for (symbol = 0; symbol < n; symbol++) + (h->count[length[symbol]])++; /* assumes lengths are within bounds */ + if (h->count[0] == n) /* no codes! */ + return 0; /* complete, but decode() will fail */ + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; /* one possible code of zero length */ + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; /* one more bit, double codes left */ + left -= h->count[len]; /* deduct count from possible codes */ + if (left < 0) return left; /* over-subscribed--return negative */ + } /* left > 0 means incomplete */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + h->count[len]; + + /* + * put symbols in table sorted by length, by symbol order within each + * length + */ + for (symbol = 0; symbol < n; symbol++) + if (length[symbol] != 0) + h->symbol[offs[length[symbol]]++] = symbol; + + /* return zero for complete set, positive for incomplete set */ + return left; +} + +/* + * Decode PKWare Compression Library stream. + * + * Format notes: + * + * - First byte is 0 if literals are uncoded or 1 if they are coded. Second + * byte is 4, 5, or 6 for the number of extra bits in the distance code. + * This is the base-2 logarithm of the dictionary size minus six. + * + * - Compressed data is a combination of literals and length/distance pairs + * terminated by an end code. Literals are either Huffman coded or + * uncoded bytes. A length/distance pair is a coded length followed by a + * coded distance to represent a string that occurs earlier in the + * uncompressed data that occurs again at the current location. + * + * - A bit preceding a literal or length/distance pair indicates which comes + * next, 0 for literals, 1 for length/distance. + * + * - If literals are uncoded, then the next eight bits are the literal, in the + * normal bit order in the stream, i.e. no bit-reversal is needed. Similarly, + * no bit reversal is needed for either the length extra bits or the distance + * extra bits. + * + * - Literal bytes are simply written to the output. A length/distance pair is + * an instruction to copy previously uncompressed bytes to the output. The + * copy is from distance bytes back in the output stream, copying for length + * bytes. + * + * - Distances pointing before the beginning of the output data are not + * permitted. + * + * - Overlapped copies, where the length is greater than the distance, are + * allowed and common. For example, a distance of one and a length of 518 + * simply copies the last byte 518 times. A distance of four and a length of + * twelve copies the last four bytes three times. A simple forward copy + * ignoring whether the length is greater than the distance or not implements + * this correctly. + */ +local int decomp(struct state *s) +{ + int lit; /* true if literals are coded */ + int dict; /* log2(dictionary size) - 6 */ + int symbol; /* decoded symbol, extra bits for distance */ + int len; /* length for copy */ + unsigned dist; /* distance for copy */ + int copy; /* copy counter */ + unsigned char *from, *to; /* copy pointers */ + static int virgin = 1; /* build tables once */ + static short litcnt[MAXBITS+1], litsym[256]; /* litcode memory */ + static short lencnt[MAXBITS+1], lensym[16]; /* lencode memory */ + static short distcnt[MAXBITS+1], distsym[64]; /* distcode memory */ + static struct huffman litcode = {litcnt, litsym}; /* length code */ + static struct huffman lencode = {lencnt, lensym}; /* length code */ + static struct huffman distcode = {distcnt, distsym};/* distance code */ + /* bit lengths of literal codes */ + static const unsigned char litlen[] = { + 11, 124, 8, 7, 28, 7, 188, 13, 76, 4, 10, 8, 12, 10, 12, 10, 8, 23, 8, + 9, 7, 6, 7, 8, 7, 6, 55, 8, 23, 24, 12, 11, 7, 9, 11, 12, 6, 7, 22, 5, + 7, 24, 6, 11, 9, 6, 7, 22, 7, 11, 38, 7, 9, 8, 25, 11, 8, 11, 9, 12, + 8, 12, 5, 38, 5, 38, 5, 11, 7, 5, 6, 21, 6, 10, 53, 8, 7, 24, 10, 27, + 44, 253, 253, 253, 252, 252, 252, 13, 12, 45, 12, 45, 12, 61, 12, 45, + 44, 173}; + /* bit lengths of length codes 0..15 */ + static const unsigned char lenlen[] = {2, 35, 36, 53, 38, 23}; + /* bit lengths of distance codes 0..63 */ + static const unsigned char distlen[] = {2, 20, 53, 230, 247, 151, 248}; + static const short base[16] = { /* base for length codes */ + 3, 2, 4, 5, 6, 7, 8, 9, 10, 12, 16, 24, 40, 72, 136, 264}; + static const char extra[16] = { /* extra bits for length codes */ + 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8}; + + /* set up decoding tables (once--might not be thread-safe) */ + if (virgin) { + construct(&litcode, litlen, sizeof(litlen)); + construct(&lencode, lenlen, sizeof(lenlen)); + construct(&distcode, distlen, sizeof(distlen)); + virgin = 0; + } + + /* read header */ + lit = bits(s, 8); + if (lit > 1) return -1; + dict = bits(s, 8); + if (dict < 4 || dict > 6) return -2; + + /* decode literals and length/distance pairs */ + do { + if (bits(s, 1)) { + /* get length */ + symbol = decode(s, &lencode); + len = base[symbol] + bits(s, extra[symbol]); + if (len == 519) break; /* end code */ + + /* get distance */ + symbol = len == 2 ? 2 : dict; + dist = decode(s, &distcode) << symbol; + dist += bits(s, symbol); + dist++; + if (s->first && dist > s->next) + return -3; /* distance too far back */ + + /* copy length bytes from distance bytes back */ + do { + to = s->out + s->next; + from = to - dist; + copy = MAXWIN; + if (s->next < dist) { + from += copy; + copy = dist; + } + copy -= s->next; + if (copy > len) copy = len; + len -= copy; + s->next += copy; + do { + *to++ = *from++; + } while (--copy); + if (s->next == MAXWIN) { + if (s->outfun(s->outhow, s->out, s->next)) return 1; + s->next = 0; + s->first = 0; + } + } while (len != 0); + } + else { + /* get literal and write it */ + symbol = lit ? decode(s, &litcode) : bits(s, 8); + s->out[s->next++] = symbol; + if (s->next == MAXWIN) { + if (s->outfun(s->outhow, s->out, s->next)) return 1; + s->next = 0; + s->first = 0; + } + } + } while (1); + return 0; +} + +/* See comments in blast.h */ +int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow, + unsigned *left, unsigned char **in) +{ + struct state s; /* input/output state */ + int err; /* return value */ + + /* initialize input state */ + s.infun = infun; + s.inhow = inhow; + if (left != NULL && *left) { + s.left = *left; + s.in = *in; + } + else + s.left = 0; + s.bitbuf = 0; + s.bitcnt = 0; + + /* initialize output state */ + s.outfun = outfun; + s.outhow = outhow; + s.next = 0; + s.first = 1; + + /* return if bits() or decode() tries to read past available input */ + if (setjmp(s.env) != 0) /* if came back here via longjmp(), */ + err = 2; /* then skip decomp(), return error */ + else + err = decomp(&s); /* decompress */ + + /* return unused input */ + if (left != NULL) + *left = s.left; + if (in != NULL) + *in = s.left ? s.in : NULL; + + /* write any leftover output and update the error code if needed */ + if (err != 1 && s.next && s.outfun(s.outhow, s.out, s.next) && err == 0) + err = 1; + return err; +} + +#ifdef TEST +/* Example of how to use blast() */ +#include +#include + +#define CHUNK 16384 + +local unsigned inf(void *how, unsigned char **buf) +{ + static unsigned char hold[CHUNK]; + + *buf = hold; + return fread(hold, 1, CHUNK, (FILE *)how); +} + +local int outf(void *how, unsigned char *buf, unsigned len) +{ + return fwrite(buf, 1, len, (FILE *)how) != len; +} + +/* Decompress a PKWare Compression Library stream from stdin to stdout */ +int main(void) +{ + int ret; + unsigned left; + + /* decompress to stdout */ + left = 0; + ret = blast(inf, stdin, outf, stdout, &left, NULL); + if (ret != 0) + fprintf(stderr, "blast error: %d\n", ret); + + /* count any leftover bytes */ + while (getchar() != EOF) + left++; + if (left) + fprintf(stderr, "blast warning: %u unused bytes of input\n", left); + + /* return blast() error code */ + return ret; +} +#endif diff --git a/contrib/blast/blast.h b/contrib/blast/blast.h new file mode 100644 index 0000000..ef8544c --- /dev/null +++ b/contrib/blast/blast.h @@ -0,0 +1,83 @@ +/* blast.h -- interface for blast.c + Copyright (C) 2003, 2012, 2013 Mark Adler + version 1.3, 24 Aug 2013 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + + +/* + * blast() decompresses the PKWare Data Compression Library (DCL) compressed + * format. It provides the same functionality as the explode() function in + * that library. (Note: PKWare overused the "implode" verb, and the format + * used by their library implode() function is completely different and + * incompatible with the implode compression method supported by PKZIP.) + * + * The binary mode for stdio functions should be used to assure that the + * compressed data is not corrupted when read or written. For example: + * fopen(..., "rb") and fopen(..., "wb"). + */ + + +typedef unsigned (*blast_in)(void *how, unsigned char **buf); +typedef int (*blast_out)(void *how, unsigned char *buf, unsigned len); +/* Definitions for input/output functions passed to blast(). See below for + * what the provided functions need to do. + */ + + +int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow, + unsigned *left, unsigned char **in); +/* Decompress input to output using the provided infun() and outfun() calls. + * On success, the return value of blast() is zero. If there is an error in + * the source data, i.e. it is not in the proper format, then a negative value + * is returned. If there is not enough input available or there is not enough + * output space, then a positive error is returned. + * + * The input function is invoked: len = infun(how, &buf), where buf is set by + * infun() to point to the input buffer, and infun() returns the number of + * available bytes there. If infun() returns zero, then blast() returns with + * an input error. (blast() only asks for input if it needs it.) inhow is for + * use by the application to pass an input descriptor to infun(), if desired. + * + * If left and in are not NULL and *left is not zero when blast() is called, + * then the *left bytes at *in are consumed for input before infun() is used. + * + * The output function is invoked: err = outfun(how, buf, len), where the bytes + * to be written are buf[0..len-1]. If err is not zero, then blast() returns + * with an output error. outfun() is always called with len <= 4096. outhow + * is for use by the application to pass an output descriptor to outfun(), if + * desired. + * + * If there is any unused input, *left is set to the number of bytes that were + * read and *in points to them. Otherwise *left is set to zero and *in is set + * to NULL. If left or in are NULL, then they are not set. + * + * The return codes are: + * + * 2: ran out of input before completing decompression + * 1: output error before completing decompression + * 0: successful decompression + * -1: literal flag not zero or one + * -2: dictionary size not in 4..6 + * -3: distance is too far back + * + * At the bottom of blast.c is an example program that uses blast() that can be + * compiled to produce a command-line decompression filter by defining TEST. + */ diff --git a/contrib/blast/test.pk b/contrib/blast/test.pk new file mode 100644 index 0000000..be10b2b Binary files /dev/null and b/contrib/blast/test.pk differ diff --git a/contrib/blast/test.txt b/contrib/blast/test.txt new file mode 100644 index 0000000..bfdf1c5 --- /dev/null +++ b/contrib/blast/test.txt @@ -0,0 +1 @@ +AIAIAIAIAIAIA \ No newline at end of file diff --git a/contrib/delphi/ZLib.pas b/contrib/delphi/ZLib.pas new file mode 100644 index 0000000..8be5fa2 --- /dev/null +++ b/contrib/delphi/ZLib.pas @@ -0,0 +1,557 @@ +{*******************************************************} +{ } +{ Borland Delphi Supplemental Components } +{ ZLIB Data Compression Interface Unit } +{ } +{ Copyright (c) 1997,99 Borland Corporation } +{ } +{*******************************************************} + +{ Updated for zlib 1.2.x by Cosmin Truta } + +unit ZLib; + +interface + +uses SysUtils, Classes; + +type + TAlloc = function (AppData: Pointer; Items, Size: Integer): Pointer; cdecl; + TFree = procedure (AppData, Block: Pointer); cdecl; + + // Internal structure. Ignore. + TZStreamRec = packed record + next_in: PChar; // next input byte + avail_in: Integer; // number of bytes available at next_in + total_in: Longint; // total nb of input bytes read so far + + next_out: PChar; // next output byte should be put here + avail_out: Integer; // remaining free space at next_out + total_out: Longint; // total nb of bytes output so far + + msg: PChar; // last error message, NULL if no error + internal: Pointer; // not visible by applications + + zalloc: TAlloc; // used to allocate the internal state + zfree: TFree; // used to free the internal state + AppData: Pointer; // private data object passed to zalloc and zfree + + data_type: Integer; // best guess about the data type: ascii or binary + adler: Longint; // adler32 value of the uncompressed data + reserved: Longint; // reserved for future use + end; + + // Abstract ancestor class + TCustomZlibStream = class(TStream) + private + FStrm: TStream; + FStrmPos: Integer; + FOnProgress: TNotifyEvent; + FZRec: TZStreamRec; + FBuffer: array [Word] of Char; + protected + procedure Progress(Sender: TObject); dynamic; + property OnProgress: TNotifyEvent read FOnProgress write FOnProgress; + constructor Create(Strm: TStream); + end; + +{ TCompressionStream compresses data on the fly as data is written to it, and + stores the compressed data to another stream. + + TCompressionStream is write-only and strictly sequential. Reading from the + stream will raise an exception. Using Seek to move the stream pointer + will raise an exception. + + Output data is cached internally, written to the output stream only when + the internal output buffer is full. All pending output data is flushed + when the stream is destroyed. + + The Position property returns the number of uncompressed bytes of + data that have been written to the stream so far. + + CompressionRate returns the on-the-fly percentage by which the original + data has been compressed: (1 - (CompressedBytes / UncompressedBytes)) * 100 + If raw data size = 100 and compressed data size = 25, the CompressionRate + is 75% + + The OnProgress event is called each time the output buffer is filled and + written to the output stream. This is useful for updating a progress + indicator when you are writing a large chunk of data to the compression + stream in a single call.} + + + TCompressionLevel = (clNone, clFastest, clDefault, clMax); + + TCompressionStream = class(TCustomZlibStream) + private + function GetCompressionRate: Single; + public + constructor Create(CompressionLevel: TCompressionLevel; Dest: TStream); + destructor Destroy; override; + function Read(var Buffer; Count: Longint): Longint; override; + function Write(const Buffer; Count: Longint): Longint; override; + function Seek(Offset: Longint; Origin: Word): Longint; override; + property CompressionRate: Single read GetCompressionRate; + property OnProgress; + end; + +{ TDecompressionStream decompresses data on the fly as data is read from it. + + Compressed data comes from a separate source stream. TDecompressionStream + is read-only and unidirectional; you can seek forward in the stream, but not + backwards. The special case of setting the stream position to zero is + allowed. Seeking forward decompresses data until the requested position in + the uncompressed data has been reached. Seeking backwards, seeking relative + to the end of the stream, requesting the size of the stream, and writing to + the stream will raise an exception. + + The Position property returns the number of bytes of uncompressed data that + have been read from the stream so far. + + The OnProgress event is called each time the internal input buffer of + compressed data is exhausted and the next block is read from the input stream. + This is useful for updating a progress indicator when you are reading a + large chunk of data from the decompression stream in a single call.} + + TDecompressionStream = class(TCustomZlibStream) + public + constructor Create(Source: TStream); + destructor Destroy; override; + function Read(var Buffer; Count: Longint): Longint; override; + function Write(const Buffer; Count: Longint): Longint; override; + function Seek(Offset: Longint; Origin: Word): Longint; override; + property OnProgress; + end; + + + +{ CompressBuf compresses data, buffer to buffer, in one call. + In: InBuf = ptr to compressed data + InBytes = number of bytes in InBuf + Out: OutBuf = ptr to newly allocated buffer containing decompressed data + OutBytes = number of bytes in OutBuf } +procedure CompressBuf(const InBuf: Pointer; InBytes: Integer; + out OutBuf: Pointer; out OutBytes: Integer); + + +{ DecompressBuf decompresses data, buffer to buffer, in one call. + In: InBuf = ptr to compressed data + InBytes = number of bytes in InBuf + OutEstimate = zero, or est. size of the decompressed data + Out: OutBuf = ptr to newly allocated buffer containing decompressed data + OutBytes = number of bytes in OutBuf } +procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer; + OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer); + +{ DecompressToUserBuf decompresses data, buffer to buffer, in one call. + In: InBuf = ptr to compressed data + InBytes = number of bytes in InBuf + Out: OutBuf = ptr to user-allocated buffer to contain decompressed data + BufSize = number of bytes in OutBuf } +procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer; + const OutBuf: Pointer; BufSize: Integer); + +const + zlib_version = '1.2.13'; + +type + EZlibError = class(Exception); + ECompressionError = class(EZlibError); + EDecompressionError = class(EZlibError); + +implementation + +uses ZLibConst; + +const + Z_NO_FLUSH = 0; + Z_PARTIAL_FLUSH = 1; + Z_SYNC_FLUSH = 2; + Z_FULL_FLUSH = 3; + Z_FINISH = 4; + + Z_OK = 0; + Z_STREAM_END = 1; + Z_NEED_DICT = 2; + Z_ERRNO = (-1); + Z_STREAM_ERROR = (-2); + Z_DATA_ERROR = (-3); + Z_MEM_ERROR = (-4); + Z_BUF_ERROR = (-5); + Z_VERSION_ERROR = (-6); + + Z_NO_COMPRESSION = 0; + Z_BEST_SPEED = 1; + Z_BEST_COMPRESSION = 9; + Z_DEFAULT_COMPRESSION = (-1); + + Z_FILTERED = 1; + Z_HUFFMAN_ONLY = 2; + Z_RLE = 3; + Z_DEFAULT_STRATEGY = 0; + + Z_BINARY = 0; + Z_ASCII = 1; + Z_UNKNOWN = 2; + + Z_DEFLATED = 8; + + +{$L adler32.obj} +{$L compress.obj} +{$L crc32.obj} +{$L deflate.obj} +{$L infback.obj} +{$L inffast.obj} +{$L inflate.obj} +{$L inftrees.obj} +{$L trees.obj} +{$L uncompr.obj} +{$L zutil.obj} + +procedure adler32; external; +procedure compressBound; external; +procedure crc32; external; +procedure deflateInit2_; external; +procedure deflateParams; external; + +function _malloc(Size: Integer): Pointer; cdecl; +begin + Result := AllocMem(Size); +end; + +procedure _free(Block: Pointer); cdecl; +begin + FreeMem(Block); +end; + +procedure _memset(P: Pointer; B: Byte; count: Integer); cdecl; +begin + FillChar(P^, count, B); +end; + +procedure _memcpy(dest, source: Pointer; count: Integer); cdecl; +begin + Move(source^, dest^, count); +end; + + + +// deflate compresses data +function deflateInit_(var strm: TZStreamRec; level: Integer; version: PChar; + recsize: Integer): Integer; external; +function deflate(var strm: TZStreamRec; flush: Integer): Integer; external; +function deflateEnd(var strm: TZStreamRec): Integer; external; + +// inflate decompresses data +function inflateInit_(var strm: TZStreamRec; version: PChar; + recsize: Integer): Integer; external; +function inflate(var strm: TZStreamRec; flush: Integer): Integer; external; +function inflateEnd(var strm: TZStreamRec): Integer; external; +function inflateReset(var strm: TZStreamRec): Integer; external; + + +function zlibAllocMem(AppData: Pointer; Items, Size: Integer): Pointer; cdecl; +begin +// GetMem(Result, Items*Size); + Result := AllocMem(Items * Size); +end; + +procedure zlibFreeMem(AppData, Block: Pointer); cdecl; +begin + FreeMem(Block); +end; + +{function zlibCheck(code: Integer): Integer; +begin + Result := code; + if code < 0 then + raise EZlibError.Create('error'); //!! +end;} + +function CCheck(code: Integer): Integer; +begin + Result := code; + if code < 0 then + raise ECompressionError.Create('error'); //!! +end; + +function DCheck(code: Integer): Integer; +begin + Result := code; + if code < 0 then + raise EDecompressionError.Create('error'); //!! +end; + +procedure CompressBuf(const InBuf: Pointer; InBytes: Integer; + out OutBuf: Pointer; out OutBytes: Integer); +var + strm: TZStreamRec; + P: Pointer; +begin + FillChar(strm, sizeof(strm), 0); + strm.zalloc := zlibAllocMem; + strm.zfree := zlibFreeMem; + OutBytes := ((InBytes + (InBytes div 10) + 12) + 255) and not 255; + GetMem(OutBuf, OutBytes); + try + strm.next_in := InBuf; + strm.avail_in := InBytes; + strm.next_out := OutBuf; + strm.avail_out := OutBytes; + CCheck(deflateInit_(strm, Z_BEST_COMPRESSION, zlib_version, sizeof(strm))); + try + while CCheck(deflate(strm, Z_FINISH)) <> Z_STREAM_END do + begin + P := OutBuf; + Inc(OutBytes, 256); + ReallocMem(OutBuf, OutBytes); + strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P))); + strm.avail_out := 256; + end; + finally + CCheck(deflateEnd(strm)); + end; + ReallocMem(OutBuf, strm.total_out); + OutBytes := strm.total_out; + except + FreeMem(OutBuf); + raise + end; +end; + + +procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer; + OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer); +var + strm: TZStreamRec; + P: Pointer; + BufInc: Integer; +begin + FillChar(strm, sizeof(strm), 0); + strm.zalloc := zlibAllocMem; + strm.zfree := zlibFreeMem; + BufInc := (InBytes + 255) and not 255; + if OutEstimate = 0 then + OutBytes := BufInc + else + OutBytes := OutEstimate; + GetMem(OutBuf, OutBytes); + try + strm.next_in := InBuf; + strm.avail_in := InBytes; + strm.next_out := OutBuf; + strm.avail_out := OutBytes; + DCheck(inflateInit_(strm, zlib_version, sizeof(strm))); + try + while DCheck(inflate(strm, Z_NO_FLUSH)) <> Z_STREAM_END do + begin + P := OutBuf; + Inc(OutBytes, BufInc); + ReallocMem(OutBuf, OutBytes); + strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P))); + strm.avail_out := BufInc; + end; + finally + DCheck(inflateEnd(strm)); + end; + ReallocMem(OutBuf, strm.total_out); + OutBytes := strm.total_out; + except + FreeMem(OutBuf); + raise + end; +end; + +procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer; + const OutBuf: Pointer; BufSize: Integer); +var + strm: TZStreamRec; +begin + FillChar(strm, sizeof(strm), 0); + strm.zalloc := zlibAllocMem; + strm.zfree := zlibFreeMem; + strm.next_in := InBuf; + strm.avail_in := InBytes; + strm.next_out := OutBuf; + strm.avail_out := BufSize; + DCheck(inflateInit_(strm, zlib_version, sizeof(strm))); + try + if DCheck(inflate(strm, Z_FINISH)) <> Z_STREAM_END then + raise EZlibError.CreateRes(@sTargetBufferTooSmall); + finally + DCheck(inflateEnd(strm)); + end; +end; + +// TCustomZlibStream + +constructor TCustomZLibStream.Create(Strm: TStream); +begin + inherited Create; + FStrm := Strm; + FStrmPos := Strm.Position; + FZRec.zalloc := zlibAllocMem; + FZRec.zfree := zlibFreeMem; +end; + +procedure TCustomZLibStream.Progress(Sender: TObject); +begin + if Assigned(FOnProgress) then FOnProgress(Sender); +end; + + +// TCompressionStream + +constructor TCompressionStream.Create(CompressionLevel: TCompressionLevel; + Dest: TStream); +const + Levels: array [TCompressionLevel] of ShortInt = + (Z_NO_COMPRESSION, Z_BEST_SPEED, Z_DEFAULT_COMPRESSION, Z_BEST_COMPRESSION); +begin + inherited Create(Dest); + FZRec.next_out := FBuffer; + FZRec.avail_out := sizeof(FBuffer); + CCheck(deflateInit_(FZRec, Levels[CompressionLevel], zlib_version, sizeof(FZRec))); +end; + +destructor TCompressionStream.Destroy; +begin + FZRec.next_in := nil; + FZRec.avail_in := 0; + try + if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos; + while (CCheck(deflate(FZRec, Z_FINISH)) <> Z_STREAM_END) + and (FZRec.avail_out = 0) do + begin + FStrm.WriteBuffer(FBuffer, sizeof(FBuffer)); + FZRec.next_out := FBuffer; + FZRec.avail_out := sizeof(FBuffer); + end; + if FZRec.avail_out < sizeof(FBuffer) then + FStrm.WriteBuffer(FBuffer, sizeof(FBuffer) - FZRec.avail_out); + finally + deflateEnd(FZRec); + end; + inherited Destroy; +end; + +function TCompressionStream.Read(var Buffer; Count: Longint): Longint; +begin + raise ECompressionError.CreateRes(@sInvalidStreamOp); +end; + +function TCompressionStream.Write(const Buffer; Count: Longint): Longint; +begin + FZRec.next_in := @Buffer; + FZRec.avail_in := Count; + if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos; + while (FZRec.avail_in > 0) do + begin + CCheck(deflate(FZRec, 0)); + if FZRec.avail_out = 0 then + begin + FStrm.WriteBuffer(FBuffer, sizeof(FBuffer)); + FZRec.next_out := FBuffer; + FZRec.avail_out := sizeof(FBuffer); + FStrmPos := FStrm.Position; + Progress(Self); + end; + end; + Result := Count; +end; + +function TCompressionStream.Seek(Offset: Longint; Origin: Word): Longint; +begin + if (Offset = 0) and (Origin = soFromCurrent) then + Result := FZRec.total_in + else + raise ECompressionError.CreateRes(@sInvalidStreamOp); +end; + +function TCompressionStream.GetCompressionRate: Single; +begin + if FZRec.total_in = 0 then + Result := 0 + else + Result := (1.0 - (FZRec.total_out / FZRec.total_in)) * 100.0; +end; + + +// TDecompressionStream + +constructor TDecompressionStream.Create(Source: TStream); +begin + inherited Create(Source); + FZRec.next_in := FBuffer; + FZRec.avail_in := 0; + DCheck(inflateInit_(FZRec, zlib_version, sizeof(FZRec))); +end; + +destructor TDecompressionStream.Destroy; +begin + FStrm.Seek(-FZRec.avail_in, 1); + inflateEnd(FZRec); + inherited Destroy; +end; + +function TDecompressionStream.Read(var Buffer; Count: Longint): Longint; +begin + FZRec.next_out := @Buffer; + FZRec.avail_out := Count; + if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos; + while (FZRec.avail_out > 0) do + begin + if FZRec.avail_in = 0 then + begin + FZRec.avail_in := FStrm.Read(FBuffer, sizeof(FBuffer)); + if FZRec.avail_in = 0 then + begin + Result := Count - FZRec.avail_out; + Exit; + end; + FZRec.next_in := FBuffer; + FStrmPos := FStrm.Position; + Progress(Self); + end; + CCheck(inflate(FZRec, 0)); + end; + Result := Count; +end; + +function TDecompressionStream.Write(const Buffer; Count: Longint): Longint; +begin + raise EDecompressionError.CreateRes(@sInvalidStreamOp); +end; + +function TDecompressionStream.Seek(Offset: Longint; Origin: Word): Longint; +var + I: Integer; + Buf: array [0..4095] of Char; +begin + if (Offset = 0) and (Origin = soFromBeginning) then + begin + DCheck(inflateReset(FZRec)); + FZRec.next_in := FBuffer; + FZRec.avail_in := 0; + FStrm.Position := 0; + FStrmPos := 0; + end + else if ( (Offset >= 0) and (Origin = soFromCurrent)) or + ( ((Offset - FZRec.total_out) > 0) and (Origin = soFromBeginning)) then + begin + if Origin = soFromBeginning then Dec(Offset, FZRec.total_out); + if Offset > 0 then + begin + for I := 1 to Offset div sizeof(Buf) do + ReadBuffer(Buf, sizeof(Buf)); + ReadBuffer(Buf, Offset mod sizeof(Buf)); + end; + end + else + raise EDecompressionError.CreateRes(@sInvalidStreamOp); + Result := FZRec.total_out; +end; + + +end. diff --git a/contrib/delphi/ZLibConst.pas b/contrib/delphi/ZLibConst.pas new file mode 100644 index 0000000..cdfe136 --- /dev/null +++ b/contrib/delphi/ZLibConst.pas @@ -0,0 +1,11 @@ +unit ZLibConst; + +interface + +resourcestring + sTargetBufferTooSmall = 'ZLib error: target buffer may be too small'; + sInvalidStreamOp = 'Invalid stream operation'; + +implementation + +end. diff --git a/contrib/delphi/readme.txt b/contrib/delphi/readme.txt new file mode 100644 index 0000000..2dc9a8b --- /dev/null +++ b/contrib/delphi/readme.txt @@ -0,0 +1,76 @@ + +Overview +======== + +This directory contains an update to the ZLib interface unit, +distributed by Borland as a Delphi supplemental component. + +The original ZLib unit is Copyright (c) 1997,99 Borland Corp., +and is based on zlib version 1.0.4. There are a series of bugs +and security problems associated with that old zlib version, and +we recommend the users to update their ZLib unit. + + +Summary of modifications +======================== + +- Improved makefile, adapted to zlib version 1.2.1. + +- Some field types from TZStreamRec are changed from Integer to + Longint, for consistency with the zlib.h header, and for 64-bit + readiness. + +- The zlib_version constant is updated. + +- The new Z_RLE strategy has its corresponding symbolic constant. + +- The allocation and deallocation functions and function types + (TAlloc, TFree, zlibAllocMem and zlibFreeMem) are now cdecl, + and _malloc and _free are added as C RTL stubs. As a result, + the original C sources of zlib can be compiled out of the box, + and linked to the ZLib unit. + + +Suggestions for improvements +============================ + +Currently, the ZLib unit provides only a limited wrapper around +the zlib library, and much of the original zlib functionality is +missing. Handling compressed file formats like ZIP/GZIP or PNG +cannot be implemented without having this functionality. +Applications that handle these formats are either using their own, +duplicated code, or not using the ZLib unit at all. + +Here are a few suggestions: + +- Checksum class wrappers around adler32() and crc32(), similar + to the Java classes that implement the java.util.zip.Checksum + interface. + +- The ability to read and write raw deflate streams, without the + zlib stream header and trailer. Raw deflate streams are used + in the ZIP file format. + +- The ability to read and write gzip streams, used in the GZIP + file format, and normally produced by the gzip program. + +- The ability to select a different compression strategy, useful + to PNG and MNG image compression, and to multimedia compression + in general. Besides the compression level + + TCompressionLevel = (clNone, clFastest, clDefault, clMax); + + which, in fact, could have used the 'z' prefix and avoided + TColor-like symbols + + TCompressionLevel = (zcNone, zcFastest, zcDefault, zcMax); + + there could be a compression strategy + + TCompressionStrategy = (zsDefault, zsFiltered, zsHuffmanOnly, zsRle); + +- ZIP and GZIP stream handling via TStreams. + + +-- +Cosmin Truta diff --git a/contrib/delphi/zlibd32.mak b/contrib/delphi/zlibd32.mak new file mode 100644 index 0000000..9bb00b7 --- /dev/null +++ b/contrib/delphi/zlibd32.mak @@ -0,0 +1,99 @@ +# Makefile for zlib +# For use with Delphi and C++ Builder under Win32 +# Updated for zlib 1.2.x by Cosmin Truta + +# ------------ Borland C++ ------------ + +# This project uses the Delphi (fastcall/register) calling convention: +LOC = -DZEXPORT=__fastcall -DZEXPORTVA=__cdecl + +CC = bcc32 +LD = bcc32 +AR = tlib +# do not use "-pr" in CFLAGS +CFLAGS = -a -d -k- -O2 $(LOC) +LDFLAGS = + + +# variables +ZLIB_LIB = zlib.lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj +OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + +minigzip.obj: test/minigzip.c zlib.h zconf.h + + +# For the sake of the old Borland make, +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + + +# cleanup +clean: + -del *.obj + -del *.exe + -del *.lib + -del *.tds + -del zlib.bak + -del foo.gz + diff --git a/contrib/dotzlib/DotZLib.build b/contrib/dotzlib/DotZLib.build new file mode 100644 index 0000000..e69630c --- /dev/null +++ b/contrib/dotzlib/DotZLib.build @@ -0,0 +1,33 @@ + + + A .Net wrapper library around ZLib1.dll + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/dotzlib/DotZLib.chm b/contrib/dotzlib/DotZLib.chm new file mode 100644 index 0000000..f214a44 Binary files /dev/null and b/contrib/dotzlib/DotZLib.chm differ diff --git a/contrib/dotzlib/DotZLib.sln b/contrib/dotzlib/DotZLib.sln new file mode 100644 index 0000000..5d533d6 --- /dev/null +++ b/contrib/dotzlib/DotZLib.sln @@ -0,0 +1,21 @@ +Microsoft Visual Studio Solution File, Format Version 8.00 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DotZLib", "DotZLib\DotZLib.csproj", "{BB1EE0B1-1808-46CB-B786-949D91117FC5}" + ProjectSection(ProjectDependencies) = postProject + EndProjectSection +EndProject +Global + GlobalSection(SolutionConfiguration) = preSolution + Debug = Debug + Release = Release + EndGlobalSection + GlobalSection(ProjectConfiguration) = postSolution + {BB1EE0B1-1808-46CB-B786-949D91117FC5}.Debug.ActiveCfg = Debug|.NET + {BB1EE0B1-1808-46CB-B786-949D91117FC5}.Debug.Build.0 = Debug|.NET + {BB1EE0B1-1808-46CB-B786-949D91117FC5}.Release.ActiveCfg = Release|.NET + {BB1EE0B1-1808-46CB-B786-949D91117FC5}.Release.Build.0 = Release|.NET + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + EndGlobalSection + GlobalSection(ExtensibilityAddIns) = postSolution + EndGlobalSection +EndGlobal diff --git a/contrib/dotzlib/DotZLib/AssemblyInfo.cs b/contrib/dotzlib/DotZLib/AssemblyInfo.cs new file mode 100644 index 0000000..724c534 --- /dev/null +++ b/contrib/dotzlib/DotZLib/AssemblyInfo.cs @@ -0,0 +1,58 @@ +using System.Reflection; +using System.Runtime.CompilerServices; + +// +// General Information about an assembly is controlled through the following +// set of attributes. Change these attribute values to modify the information +// associated with an assembly. +// +[assembly: AssemblyTitle("DotZLib")] +[assembly: AssemblyDescription(".Net bindings for ZLib compression dll 1.2.x")] +[assembly: AssemblyConfiguration("")] +[assembly: AssemblyCompany("Henrik Ravn")] +[assembly: AssemblyProduct("")] +[assembly: AssemblyCopyright("(c) 2004 by Henrik Ravn")] +[assembly: AssemblyTrademark("")] +[assembly: AssemblyCulture("")] + +// +// Version information for an assembly consists of the following four values: +// +// Major Version +// Minor Version +// Build Number +// Revision +// +// You can specify all the values or you can default the Revision and Build Numbers +// by using the '*' as shown below: + +[assembly: AssemblyVersion("1.0.*")] + +// +// In order to sign your assembly you must specify a key to use. Refer to the +// Microsoft .NET Framework documentation for more information on assembly signing. +// +// Use the attributes below to control which key is used for signing. +// +// Notes: +// (*) If no key is specified, the assembly is not signed. +// (*) KeyName refers to a key that has been installed in the Crypto Service +// Provider (CSP) on your machine. KeyFile refers to a file which contains +// a key. +// (*) If the KeyFile and the KeyName values are both specified, the +// following processing occurs: +// (1) If the KeyName can be found in the CSP, that key is used. +// (2) If the KeyName does not exist and the KeyFile does exist, the key +// in the KeyFile is installed into the CSP and used. +// (*) In order to create a KeyFile, you can use the sn.exe (Strong Name) utility. +// When specifying the KeyFile, the location of the KeyFile should be +// relative to the project output directory which is +// %Project Directory%\obj\. For example, if your KeyFile is +// located in the project directory, you would specify the AssemblyKeyFile +// attribute as [assembly: AssemblyKeyFile("..\\..\\mykey.snk")] +// (*) Delay Signing is an advanced option - see the Microsoft .NET Framework +// documentation for more information on this. +// +[assembly: AssemblyDelaySign(false)] +[assembly: AssemblyKeyFile("")] +[assembly: AssemblyKeyName("")] diff --git a/contrib/dotzlib/DotZLib/ChecksumImpl.cs b/contrib/dotzlib/DotZLib/ChecksumImpl.cs new file mode 100644 index 0000000..b110dae --- /dev/null +++ b/contrib/dotzlib/DotZLib/ChecksumImpl.cs @@ -0,0 +1,202 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Runtime.InteropServices; +using System.Text; + + +namespace DotZLib +{ + #region ChecksumGeneratorBase + /// + /// Implements the common functionality needed for all s + /// + /// + public abstract class ChecksumGeneratorBase : ChecksumGenerator + { + /// + /// The value of the current checksum + /// + protected uint _current; + + /// + /// Initializes a new instance of the checksum generator base - the current checksum is + /// set to zero + /// + public ChecksumGeneratorBase() + { + _current = 0; + } + + /// + /// Initializes a new instance of the checksum generator basewith a specified value + /// + /// The value to set the current checksum to + public ChecksumGeneratorBase(uint initialValue) + { + _current = initialValue; + } + + /// + /// Resets the current checksum to zero + /// + public void Reset() { _current = 0; } + + /// + /// Gets the current checksum value + /// + public uint Value { get { return _current; } } + + /// + /// Updates the current checksum with part of an array of bytes + /// + /// The data to update the checksum with + /// Where in data to start updating + /// The number of bytes from data to use + /// The sum of offset and count is larger than the length of data + /// data is a null reference + /// Offset or count is negative. + /// All the other Update methods are implmeneted in terms of this one. + /// This is therefore the only method a derived class has to implement + public abstract void Update(byte[] data, int offset, int count); + + /// + /// Updates the current checksum with an array of bytes. + /// + /// The data to update the checksum with + public void Update(byte[] data) + { + Update(data, 0, data.Length); + } + + /// + /// Updates the current checksum with the data from a string + /// + /// The string to update the checksum with + /// The characters in the string are converted by the UTF-8 encoding + public void Update(string data) + { + Update(Encoding.UTF8.GetBytes(data)); + } + + /// + /// Updates the current checksum with the data from a string, using a specific encoding + /// + /// The string to update the checksum with + /// The encoding to use + public void Update(string data, Encoding encoding) + { + Update(encoding.GetBytes(data)); + } + + } + #endregion + + #region CRC32 + /// + /// Implements a CRC32 checksum generator + /// + public sealed class CRC32Checksum : ChecksumGeneratorBase + { + #region DLL imports + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern uint crc32(uint crc, int data, uint length); + + #endregion + + /// + /// Initializes a new instance of the CRC32 checksum generator + /// + public CRC32Checksum() : base() {} + + /// + /// Initializes a new instance of the CRC32 checksum generator with a specified value + /// + /// The value to set the current checksum to + public CRC32Checksum(uint initialValue) : base(initialValue) {} + + /// + /// Updates the current checksum with part of an array of bytes + /// + /// The data to update the checksum with + /// Where in data to start updating + /// The number of bytes from data to use + /// The sum of offset and count is larger than the length of data + /// data is a null reference + /// Offset or count is negative. + public override void Update(byte[] data, int offset, int count) + { + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > data.Length) throw new ArgumentException(); + GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned); + try + { + _current = crc32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count); + } + finally + { + hData.Free(); + } + } + + } + #endregion + + #region Adler + /// + /// Implements a checksum generator that computes the Adler checksum on data + /// + public sealed class AdlerChecksum : ChecksumGeneratorBase + { + #region DLL imports + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern uint adler32(uint adler, int data, uint length); + + #endregion + + /// + /// Initializes a new instance of the Adler checksum generator + /// + public AdlerChecksum() : base() {} + + /// + /// Initializes a new instance of the Adler checksum generator with a specified value + /// + /// The value to set the current checksum to + public AdlerChecksum(uint initialValue) : base(initialValue) {} + + /// + /// Updates the current checksum with part of an array of bytes + /// + /// The data to update the checksum with + /// Where in data to start updating + /// The number of bytes from data to use + /// The sum of offset and count is larger than the length of data + /// data is a null reference + /// Offset or count is negative. + public override void Update(byte[] data, int offset, int count) + { + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > data.Length) throw new ArgumentException(); + GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned); + try + { + _current = adler32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count); + } + finally + { + hData.Free(); + } + } + + } + #endregion + +} \ No newline at end of file diff --git a/contrib/dotzlib/DotZLib/CircularBuffer.cs b/contrib/dotzlib/DotZLib/CircularBuffer.cs new file mode 100644 index 0000000..9c8d601 --- /dev/null +++ b/contrib/dotzlib/DotZLib/CircularBuffer.cs @@ -0,0 +1,83 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Diagnostics; + +namespace DotZLib +{ + + /// + /// This class implements a circular buffer + /// + internal class CircularBuffer + { + #region Private data + private int _capacity; + private int _head; + private int _tail; + private int _size; + private byte[] _buffer; + #endregion + + public CircularBuffer(int capacity) + { + Debug.Assert( capacity > 0 ); + _buffer = new byte[capacity]; + _capacity = capacity; + _head = 0; + _tail = 0; + _size = 0; + } + + public int Size { get { return _size; } } + + public int Put(byte[] source, int offset, int count) + { + Debug.Assert( count > 0 ); + int trueCount = Math.Min(count, _capacity - Size); + for (int i = 0; i < trueCount; ++i) + _buffer[(_tail+i) % _capacity] = source[offset+i]; + _tail += trueCount; + _tail %= _capacity; + _size += trueCount; + return trueCount; + } + + public bool Put(byte b) + { + if (Size == _capacity) // no room + return false; + _buffer[_tail++] = b; + _tail %= _capacity; + ++_size; + return true; + } + + public int Get(byte[] destination, int offset, int count) + { + int trueCount = Math.Min(count,Size); + for (int i = 0; i < trueCount; ++i) + destination[offset + i] = _buffer[(_head+i) % _capacity]; + _head += trueCount; + _head %= _capacity; + _size -= trueCount; + return trueCount; + } + + public int Get() + { + if (Size == 0) + return -1; + + int result = (int)_buffer[_head++ % _capacity]; + --_size; + return result; + } + + } +} diff --git a/contrib/dotzlib/DotZLib/CodecBase.cs b/contrib/dotzlib/DotZLib/CodecBase.cs new file mode 100644 index 0000000..b0eb78a --- /dev/null +++ b/contrib/dotzlib/DotZLib/CodecBase.cs @@ -0,0 +1,198 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Runtime.InteropServices; + +namespace DotZLib +{ + /// + /// Implements the common functionality needed for all s + /// + public abstract class CodecBase : Codec, IDisposable + { + + #region Data members + + /// + /// Instance of the internal zlib buffer structure that is + /// passed to all functions in the zlib dll + /// + internal ZStream _ztream = new ZStream(); + + /// + /// True if the object instance has been disposed, false otherwise + /// + protected bool _isDisposed = false; + + /// + /// The size of the internal buffers + /// + protected const int kBufferSize = 16384; + + private byte[] _outBuffer = new byte[kBufferSize]; + private byte[] _inBuffer = new byte[kBufferSize]; + + private GCHandle _hInput; + private GCHandle _hOutput; + + private uint _checksum = 0; + + #endregion + + /// + /// Initializes a new instance of the CodeBase class. + /// + public CodecBase() + { + try + { + _hInput = GCHandle.Alloc(_inBuffer, GCHandleType.Pinned); + _hOutput = GCHandle.Alloc(_outBuffer, GCHandleType.Pinned); + } + catch (Exception) + { + CleanUp(false); + throw; + } + } + + + #region Codec Members + + /// + /// Occurs when more processed data are available. + /// + public event DataAvailableHandler DataAvailable; + + /// + /// Fires the event + /// + protected void OnDataAvailable() + { + if (_ztream.total_out > 0) + { + if (DataAvailable != null) + DataAvailable( _outBuffer, 0, (int)_ztream.total_out); + resetOutput(); + } + } + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// Adding data may, or may not, raise the DataAvailable event + public void Add(byte[] data) + { + Add(data,0,data.Length); + } + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// The index of the first byte to add from data + /// The number of bytes to add + /// Adding data may, or may not, raise the DataAvailable event + /// This must be implemented by a derived class + public abstract void Add(byte[] data, int offset, int count); + + /// + /// Finishes up any pending data that needs to be processed and handled. + /// + /// This must be implemented by a derived class + public abstract void Finish(); + + /// + /// Gets the checksum of the data that has been added so far + /// + public uint Checksum { get { return _checksum; } } + + #endregion + + #region Destructor & IDisposable stuff + + /// + /// Destroys this instance + /// + ~CodecBase() + { + CleanUp(false); + } + + /// + /// Releases any unmanaged resources and calls the method of the derived class + /// + public void Dispose() + { + CleanUp(true); + } + + /// + /// Performs any codec specific cleanup + /// + /// This must be implemented by a derived class + protected abstract void CleanUp(); + + // performs the release of the handles and calls the dereived CleanUp() + private void CleanUp(bool isDisposing) + { + if (!_isDisposed) + { + CleanUp(); + if (_hInput.IsAllocated) + _hInput.Free(); + if (_hOutput.IsAllocated) + _hOutput.Free(); + + _isDisposed = true; + } + } + + + #endregion + + #region Helper methods + + /// + /// Copies a number of bytes to the internal codec buffer - ready for proccesing + /// + /// The byte array that contains the data to copy + /// The index of the first byte to copy + /// The number of bytes to copy from data + protected void copyInput(byte[] data, int startIndex, int count) + { + Array.Copy(data, startIndex, _inBuffer,0, count); + _ztream.next_in = _hInput.AddrOfPinnedObject(); + _ztream.total_in = 0; + _ztream.avail_in = (uint)count; + + } + + /// + /// Resets the internal output buffers to a known state - ready for processing + /// + protected void resetOutput() + { + _ztream.total_out = 0; + _ztream.avail_out = kBufferSize; + _ztream.next_out = _hOutput.AddrOfPinnedObject(); + } + + /// + /// Updates the running checksum property + /// + /// The new checksum value + protected void setChecksum(uint newSum) + { + _checksum = newSum; + } + #endregion + + } +} diff --git a/contrib/dotzlib/DotZLib/Deflater.cs b/contrib/dotzlib/DotZLib/Deflater.cs new file mode 100644 index 0000000..9039f41 --- /dev/null +++ b/contrib/dotzlib/DotZLib/Deflater.cs @@ -0,0 +1,106 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Diagnostics; +using System.Runtime.InteropServices; + +namespace DotZLib +{ + + /// + /// Implements a data compressor, using the deflate algorithm in the ZLib dll + /// + public sealed class Deflater : CodecBase + { + #region Dll imports + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)] + private static extern int deflateInit_(ref ZStream sz, int level, string vs, int size); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int deflate(ref ZStream sz, int flush); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int deflateReset(ref ZStream sz); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int deflateEnd(ref ZStream sz); + #endregion + + /// + /// Constructs an new instance of the Deflater + /// + /// The compression level to use for this Deflater + public Deflater(CompressLevel level) : base() + { + int retval = deflateInit_(ref _ztream, (int)level, Info.Version, Marshal.SizeOf(_ztream)); + if (retval != 0) + throw new ZLibException(retval, "Could not initialize deflater"); + + resetOutput(); + } + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// The index of the first byte to add from data + /// The number of bytes to add + /// Adding data may, or may not, raise the DataAvailable event + public override void Add(byte[] data, int offset, int count) + { + if (data == null) throw new ArgumentNullException(); + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > data.Length) throw new ArgumentException(); + + int total = count; + int inputIndex = offset; + int err = 0; + + while (err >= 0 && inputIndex < total) + { + copyInput(data, inputIndex, Math.Min(total - inputIndex, kBufferSize)); + while (err >= 0 && _ztream.avail_in > 0) + { + err = deflate(ref _ztream, (int)FlushTypes.None); + if (err == 0) + while (_ztream.avail_out == 0) + { + OnDataAvailable(); + err = deflate(ref _ztream, (int)FlushTypes.None); + } + inputIndex += (int)_ztream.total_in; + } + } + setChecksum( _ztream.adler ); + } + + + /// + /// Finishes up any pending data that needs to be processed and handled. + /// + public override void Finish() + { + int err; + do + { + err = deflate(ref _ztream, (int)FlushTypes.Finish); + OnDataAvailable(); + } + while (err == 0); + setChecksum( _ztream.adler ); + deflateReset(ref _ztream); + resetOutput(); + } + + /// + /// Closes the internal zlib deflate stream + /// + protected override void CleanUp() { deflateEnd(ref _ztream); } + + } +} diff --git a/contrib/dotzlib/DotZLib/DotZLib.cs b/contrib/dotzlib/DotZLib/DotZLib.cs new file mode 100644 index 0000000..90c7c3b --- /dev/null +++ b/contrib/dotzlib/DotZLib/DotZLib.cs @@ -0,0 +1,288 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.IO; +using System.Runtime.InteropServices; +using System.Text; + + +namespace DotZLib +{ + + #region Internal types + + /// + /// Defines constants for the various flush types used with zlib + /// + internal enum FlushTypes + { + None, Partial, Sync, Full, Finish, Block + } + + #region ZStream structure + // internal mapping of the zlib zstream structure for marshalling + [StructLayoutAttribute(LayoutKind.Sequential, Pack=4, Size=0, CharSet=CharSet.Ansi)] + internal struct ZStream + { + public IntPtr next_in; + public uint avail_in; + public uint total_in; + + public IntPtr next_out; + public uint avail_out; + public uint total_out; + + [MarshalAs(UnmanagedType.LPStr)] + string msg; + uint state; + + uint zalloc; + uint zfree; + uint opaque; + + int data_type; + public uint adler; + uint reserved; + } + + #endregion + + #endregion + + #region Public enums + /// + /// Defines constants for the available compression levels in zlib + /// + public enum CompressLevel : int + { + /// + /// The default compression level with a reasonable compromise between compression and speed + /// + Default = -1, + /// + /// No compression at all. The data are passed straight through. + /// + None = 0, + /// + /// The maximum compression rate available. + /// + Best = 9, + /// + /// The fastest available compression level. + /// + Fastest = 1 + } + #endregion + + #region Exception classes + /// + /// The exception that is thrown when an error occurs on the zlib dll + /// + public class ZLibException : ApplicationException + { + /// + /// Initializes a new instance of the class with a specified + /// error message and error code + /// + /// The zlib error code that caused the exception + /// A message that (hopefully) describes the error + public ZLibException(int errorCode, string msg) : base(String.Format("ZLib error {0} {1}", errorCode, msg)) + { + } + + /// + /// Initializes a new instance of the class with a specified + /// error code + /// + /// The zlib error code that caused the exception + public ZLibException(int errorCode) : base(String.Format("ZLib error {0}", errorCode)) + { + } + } + #endregion + + #region Interfaces + + /// + /// Declares methods and properties that enables a running checksum to be calculated + /// + public interface ChecksumGenerator + { + /// + /// Gets the current value of the checksum + /// + uint Value { get; } + + /// + /// Clears the current checksum to 0 + /// + void Reset(); + + /// + /// Updates the current checksum with an array of bytes + /// + /// The data to update the checksum with + void Update(byte[] data); + + /// + /// Updates the current checksum with part of an array of bytes + /// + /// The data to update the checksum with + /// Where in data to start updating + /// The number of bytes from data to use + /// The sum of offset and count is larger than the length of data + /// data is a null reference + /// Offset or count is negative. + void Update(byte[] data, int offset, int count); + + /// + /// Updates the current checksum with the data from a string + /// + /// The string to update the checksum with + /// The characters in the string are converted by the UTF-8 encoding + void Update(string data); + + /// + /// Updates the current checksum with the data from a string, using a specific encoding + /// + /// The string to update the checksum with + /// The encoding to use + void Update(string data, Encoding encoding); + } + + + /// + /// Represents the method that will be called from a codec when new data + /// are available. + /// + /// The byte array containing the processed data + /// The index of the first processed byte in data + /// The number of processed bytes available + /// On return from this method, the data may be overwritten, so grab it while you can. + /// You cannot assume that startIndex will be zero. + /// + public delegate void DataAvailableHandler(byte[] data, int startIndex, int count); + + /// + /// Declares methods and events for implementing compressors/decompressors + /// + public interface Codec + { + /// + /// Occurs when more processed data are available. + /// + event DataAvailableHandler DataAvailable; + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// Adding data may, or may not, raise the DataAvailable event + void Add(byte[] data); + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// The index of the first byte to add from data + /// The number of bytes to add + /// Adding data may, or may not, raise the DataAvailable event + void Add(byte[] data, int offset, int count); + + /// + /// Finishes up any pending data that needs to be processed and handled. + /// + void Finish(); + + /// + /// Gets the checksum of the data that has been added so far + /// + uint Checksum { get; } + + + } + + #endregion + + #region Classes + /// + /// Encapsulates general information about the ZLib library + /// + public class Info + { + #region DLL imports + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern uint zlibCompileFlags(); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern string zlibVersion(); + #endregion + + #region Private stuff + private uint _flags; + + // helper function that unpacks a bitsize mask + private static int bitSize(uint bits) + { + switch (bits) + { + case 0: return 16; + case 1: return 32; + case 2: return 64; + } + return -1; + } + #endregion + + /// + /// Constructs an instance of the Info class. + /// + public Info() + { + _flags = zlibCompileFlags(); + } + + /// + /// True if the library is compiled with debug info + /// + public bool HasDebugInfo { get { return 0 != (_flags & 0x100); } } + + /// + /// True if the library is compiled with assembly optimizations + /// + public bool UsesAssemblyCode { get { return 0 != (_flags & 0x200); } } + + /// + /// Gets the size of the unsigned int that was compiled into Zlib + /// + public int SizeOfUInt { get { return bitSize(_flags & 3); } } + + /// + /// Gets the size of the unsigned long that was compiled into Zlib + /// + public int SizeOfULong { get { return bitSize((_flags >> 2) & 3); } } + + /// + /// Gets the size of the pointers that were compiled into Zlib + /// + public int SizeOfPointer { get { return bitSize((_flags >> 4) & 3); } } + + /// + /// Gets the size of the z_off_t type that was compiled into Zlib + /// + public int SizeOfOffset { get { return bitSize((_flags >> 6) & 3); } } + + /// + /// Gets the version of ZLib as a string, e.g. "1.2.1" + /// + public static string Version { get { return zlibVersion(); } } + } + + #endregion + +} diff --git a/contrib/dotzlib/DotZLib/DotZLib.csproj b/contrib/dotzlib/DotZLib/DotZLib.csproj new file mode 100644 index 0000000..dea7fb1 --- /dev/null +++ b/contrib/dotzlib/DotZLib/DotZLib.csproj @@ -0,0 +1,141 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/dotzlib/DotZLib/GZipStream.cs b/contrib/dotzlib/DotZLib/GZipStream.cs new file mode 100644 index 0000000..f0eada1 --- /dev/null +++ b/contrib/dotzlib/DotZLib/GZipStream.cs @@ -0,0 +1,301 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.IO; +using System.Runtime.InteropServices; + +namespace DotZLib +{ + /// + /// Implements a compressed , in GZip (.gz) format. + /// + public class GZipStream : Stream, IDisposable + { + #region Dll Imports + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)] + private static extern IntPtr gzopen(string name, string mode); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int gzclose(IntPtr gzFile); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int gzwrite(IntPtr gzFile, int data, int length); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int gzread(IntPtr gzFile, int data, int length); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int gzgetc(IntPtr gzFile); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int gzputc(IntPtr gzFile, int c); + + #endregion + + #region Private data + private IntPtr _gzFile; + private bool _isDisposed = false; + private bool _isWriting; + #endregion + + #region Constructors + /// + /// Creates a new file as a writeable GZipStream + /// + /// The name of the compressed file to create + /// The compression level to use when adding data + /// If an error occurred in the internal zlib function + public GZipStream(string fileName, CompressLevel level) + { + _isWriting = true; + _gzFile = gzopen(fileName, String.Format("wb{0}", (int)level)); + if (_gzFile == IntPtr.Zero) + throw new ZLibException(-1, "Could not open " + fileName); + } + + /// + /// Opens an existing file as a readable GZipStream + /// + /// The name of the file to open + /// If an error occurred in the internal zlib function + public GZipStream(string fileName) + { + _isWriting = false; + _gzFile = gzopen(fileName, "rb"); + if (_gzFile == IntPtr.Zero) + throw new ZLibException(-1, "Could not open " + fileName); + + } + #endregion + + #region Access properties + /// + /// Returns true of this stream can be read from, false otherwise + /// + public override bool CanRead + { + get + { + return !_isWriting; + } + } + + + /// + /// Returns false. + /// + public override bool CanSeek + { + get + { + return false; + } + } + + /// + /// Returns true if this tsream is writeable, false otherwise + /// + public override bool CanWrite + { + get + { + return _isWriting; + } + } + #endregion + + #region Destructor & IDispose stuff + + /// + /// Destroys this instance + /// + ~GZipStream() + { + cleanUp(false); + } + + /// + /// Closes the external file handle + /// + public void Dispose() + { + cleanUp(true); + } + + // Does the actual closing of the file handle. + private void cleanUp(bool isDisposing) + { + if (!_isDisposed) + { + gzclose(_gzFile); + _isDisposed = true; + } + } + #endregion + + #region Basic reading and writing + /// + /// Attempts to read a number of bytes from the stream. + /// + /// The destination data buffer + /// The index of the first destination byte in buffer + /// The number of bytes requested + /// The number of bytes read + /// If buffer is null + /// If count or offset are negative + /// If offset + count is > buffer.Length + /// If this stream is not readable. + /// If this stream has been disposed. + public override int Read(byte[] buffer, int offset, int count) + { + if (!CanRead) throw new NotSupportedException(); + if (buffer == null) throw new ArgumentNullException(); + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > buffer.Length) throw new ArgumentException(); + if (_isDisposed) throw new ObjectDisposedException("GZipStream"); + + GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned); + int result; + try + { + result = gzread(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count); + if (result < 0) + throw new IOException(); + } + finally + { + h.Free(); + } + return result; + } + + /// + /// Attempts to read a single byte from the stream. + /// + /// The byte that was read, or -1 in case of error or End-Of-File + public override int ReadByte() + { + if (!CanRead) throw new NotSupportedException(); + if (_isDisposed) throw new ObjectDisposedException("GZipStream"); + return gzgetc(_gzFile); + } + + /// + /// Writes a number of bytes to the stream + /// + /// + /// + /// + /// If buffer is null + /// If count or offset are negative + /// If offset + count is > buffer.Length + /// If this stream is not writeable. + /// If this stream has been disposed. + public override void Write(byte[] buffer, int offset, int count) + { + if (!CanWrite) throw new NotSupportedException(); + if (buffer == null) throw new ArgumentNullException(); + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > buffer.Length) throw new ArgumentException(); + if (_isDisposed) throw new ObjectDisposedException("GZipStream"); + + GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned); + try + { + int result = gzwrite(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count); + if (result < 0) + throw new IOException(); + } + finally + { + h.Free(); + } + } + + /// + /// Writes a single byte to the stream + /// + /// The byte to add to the stream. + /// If this stream is not writeable. + /// If this stream has been disposed. + public override void WriteByte(byte value) + { + if (!CanWrite) throw new NotSupportedException(); + if (_isDisposed) throw new ObjectDisposedException("GZipStream"); + + int result = gzputc(_gzFile, (int)value); + if (result < 0) + throw new IOException(); + } + #endregion + + #region Position & length stuff + /// + /// Not supported. + /// + /// + /// Always thrown + public override void SetLength(long value) + { + throw new NotSupportedException(); + } + + /// + /// Not suppported. + /// + /// + /// + /// + /// Always thrown + public override long Seek(long offset, SeekOrigin origin) + { + throw new NotSupportedException(); + } + + /// + /// Flushes the GZipStream. + /// + /// In this implementation, this method does nothing. This is because excessive + /// flushing may degrade the achievable compression rates. + public override void Flush() + { + // left empty on purpose + } + + /// + /// Gets/sets the current position in the GZipStream. Not suppported. + /// + /// In this implementation this property is not supported + /// Always thrown + public override long Position + { + get + { + throw new NotSupportedException(); + } + set + { + throw new NotSupportedException(); + } + } + + /// + /// Gets the size of the stream. Not suppported. + /// + /// In this implementation this property is not supported + /// Always thrown + public override long Length + { + get + { + throw new NotSupportedException(); + } + } + #endregion + } +} diff --git a/contrib/dotzlib/DotZLib/Inflater.cs b/contrib/dotzlib/DotZLib/Inflater.cs new file mode 100644 index 0000000..d295f26 --- /dev/null +++ b/contrib/dotzlib/DotZLib/Inflater.cs @@ -0,0 +1,105 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Diagnostics; +using System.Runtime.InteropServices; + +namespace DotZLib +{ + + /// + /// Implements a data decompressor, using the inflate algorithm in the ZLib dll + /// + public class Inflater : CodecBase + { + #region Dll imports + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)] + private static extern int inflateInit_(ref ZStream sz, string vs, int size); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int inflate(ref ZStream sz, int flush); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int inflateReset(ref ZStream sz); + + [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] + private static extern int inflateEnd(ref ZStream sz); + #endregion + + /// + /// Constructs an new instance of the Inflater + /// + public Inflater() : base() + { + int retval = inflateInit_(ref _ztream, Info.Version, Marshal.SizeOf(_ztream)); + if (retval != 0) + throw new ZLibException(retval, "Could not initialize inflater"); + + resetOutput(); + } + + + /// + /// Adds more data to the codec to be processed. + /// + /// Byte array containing the data to be added to the codec + /// The index of the first byte to add from data + /// The number of bytes to add + /// Adding data may, or may not, raise the DataAvailable event + public override void Add(byte[] data, int offset, int count) + { + if (data == null) throw new ArgumentNullException(); + if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException(); + if ((offset+count) > data.Length) throw new ArgumentException(); + + int total = count; + int inputIndex = offset; + int err = 0; + + while (err >= 0 && inputIndex < total) + { + copyInput(data, inputIndex, Math.Min(total - inputIndex, kBufferSize)); + err = inflate(ref _ztream, (int)FlushTypes.None); + if (err == 0) + while (_ztream.avail_out == 0) + { + OnDataAvailable(); + err = inflate(ref _ztream, (int)FlushTypes.None); + } + + inputIndex += (int)_ztream.total_in; + } + setChecksum( _ztream.adler ); + } + + + /// + /// Finishes up any pending data that needs to be processed and handled. + /// + public override void Finish() + { + int err; + do + { + err = inflate(ref _ztream, (int)FlushTypes.Finish); + OnDataAvailable(); + } + while (err == 0); + setChecksum( _ztream.adler ); + inflateReset(ref _ztream); + resetOutput(); + } + + /// + /// Closes the internal zlib inflate stream + /// + protected override void CleanUp() { inflateEnd(ref _ztream); } + + + } +} diff --git a/contrib/dotzlib/DotZLib/UnitTests.cs b/contrib/dotzlib/DotZLib/UnitTests.cs new file mode 100644 index 0000000..555543e --- /dev/null +++ b/contrib/dotzlib/DotZLib/UnitTests.cs @@ -0,0 +1,274 @@ +// +// © Copyright Henrik Ravn 2004 +// +// Use, modification and distribution are subject to the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +using System; +using System.Collections; +using System.IO; + +// uncomment the define below to include unit tests +//#define nunit +#if nunit +using NUnit.Framework; + +// Unit tests for the DotZLib class library +// ---------------------------------------- +// +// Use this with NUnit 2 from http://www.nunit.org +// + +namespace DotZLibTests +{ + using DotZLib; + + // helper methods + internal class Utils + { + public static bool byteArrEqual( byte[] lhs, byte[] rhs ) + { + if (lhs.Length != rhs.Length) + return false; + for (int i = lhs.Length-1; i >= 0; --i) + if (lhs[i] != rhs[i]) + return false; + return true; + } + + } + + + [TestFixture] + public class CircBufferTests + { + #region Circular buffer tests + [Test] + public void SinglePutGet() + { + CircularBuffer buf = new CircularBuffer(10); + Assert.AreEqual( 0, buf.Size ); + Assert.AreEqual( -1, buf.Get() ); + + Assert.IsTrue(buf.Put( 1 )); + Assert.AreEqual( 1, buf.Size ); + Assert.AreEqual( 1, buf.Get() ); + Assert.AreEqual( 0, buf.Size ); + Assert.AreEqual( -1, buf.Get() ); + } + + [Test] + public void BlockPutGet() + { + CircularBuffer buf = new CircularBuffer(10); + byte[] arr = {1,2,3,4,5,6,7,8,9,10}; + Assert.AreEqual( 10, buf.Put(arr,0,10) ); + Assert.AreEqual( 10, buf.Size ); + Assert.IsFalse( buf.Put(11) ); + Assert.AreEqual( 1, buf.Get() ); + Assert.IsTrue( buf.Put(11) ); + + byte[] arr2 = (byte[])arr.Clone(); + Assert.AreEqual( 9, buf.Get(arr2,1,9) ); + Assert.IsTrue( Utils.byteArrEqual(arr,arr2) ); + } + + #endregion + } + + [TestFixture] + public class ChecksumTests + { + #region CRC32 Tests + [Test] + public void CRC32_Null() + { + CRC32Checksum crc32 = new CRC32Checksum(); + Assert.AreEqual( 0, crc32.Value ); + + crc32 = new CRC32Checksum(1); + Assert.AreEqual( 1, crc32.Value ); + + crc32 = new CRC32Checksum(556); + Assert.AreEqual( 556, crc32.Value ); + } + + [Test] + public void CRC32_Data() + { + CRC32Checksum crc32 = new CRC32Checksum(); + byte[] data = { 1,2,3,4,5,6,7 }; + crc32.Update(data); + Assert.AreEqual( 0x70e46888, crc32.Value ); + + crc32 = new CRC32Checksum(); + crc32.Update("penguin"); + Assert.AreEqual( 0x0e5c1a120, crc32.Value ); + + crc32 = new CRC32Checksum(1); + crc32.Update("penguin"); + Assert.AreEqual(0x43b6aa94, crc32.Value); + + } + #endregion + + #region Adler tests + + [Test] + public void Adler_Null() + { + AdlerChecksum adler = new AdlerChecksum(); + Assert.AreEqual(0, adler.Value); + + adler = new AdlerChecksum(1); + Assert.AreEqual( 1, adler.Value ); + + adler = new AdlerChecksum(556); + Assert.AreEqual( 556, adler.Value ); + } + + [Test] + public void Adler_Data() + { + AdlerChecksum adler = new AdlerChecksum(1); + byte[] data = { 1,2,3,4,5,6,7 }; + adler.Update(data); + Assert.AreEqual( 0x5b001d, adler.Value ); + + adler = new AdlerChecksum(); + adler.Update("penguin"); + Assert.AreEqual(0x0bcf02f6, adler.Value ); + + adler = new AdlerChecksum(1); + adler.Update("penguin"); + Assert.AreEqual(0x0bd602f7, adler.Value); + + } + #endregion + } + + [TestFixture] + public class InfoTests + { + #region Info tests + [Test] + public void Info_Version() + { + Info info = new Info(); + Assert.AreEqual("1.2.13", Info.Version); + Assert.AreEqual(32, info.SizeOfUInt); + Assert.AreEqual(32, info.SizeOfULong); + Assert.AreEqual(32, info.SizeOfPointer); + Assert.AreEqual(32, info.SizeOfOffset); + } + #endregion + } + + [TestFixture] + public class DeflateInflateTests + { + #region Deflate tests + [Test] + public void Deflate_Init() + { + using (Deflater def = new Deflater(CompressLevel.Default)) + { + } + } + + private ArrayList compressedData = new ArrayList(); + private uint adler1; + + private ArrayList uncompressedData = new ArrayList(); + private uint adler2; + + public void CDataAvail(byte[] data, int startIndex, int count) + { + for (int i = 0; i < count; ++i) + compressedData.Add(data[i+startIndex]); + } + + [Test] + public void Deflate_Compress() + { + compressedData.Clear(); + + byte[] testData = new byte[35000]; + for (int i = 0; i < testData.Length; ++i) + testData[i] = 5; + + using (Deflater def = new Deflater((CompressLevel)5)) + { + def.DataAvailable += new DataAvailableHandler(CDataAvail); + def.Add(testData); + def.Finish(); + adler1 = def.Checksum; + } + } + #endregion + + #region Inflate tests + [Test] + public void Inflate_Init() + { + using (Inflater inf = new Inflater()) + { + } + } + + private void DDataAvail(byte[] data, int startIndex, int count) + { + for (int i = 0; i < count; ++i) + uncompressedData.Add(data[i+startIndex]); + } + + [Test] + public void Inflate_Expand() + { + uncompressedData.Clear(); + + using (Inflater inf = new Inflater()) + { + inf.DataAvailable += new DataAvailableHandler(DDataAvail); + inf.Add((byte[])compressedData.ToArray(typeof(byte))); + inf.Finish(); + adler2 = inf.Checksum; + } + Assert.AreEqual( adler1, adler2 ); + } + #endregion + } + + [TestFixture] + public class GZipStreamTests + { + #region GZipStream test + [Test] + public void GZipStream_WriteRead() + { + using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best)) + { + BinaryWriter writer = new BinaryWriter(gzOut); + writer.Write("hi there"); + writer.Write(Math.PI); + writer.Write(42); + } + + using (GZipStream gzIn = new GZipStream("gzstream.gz")) + { + BinaryReader reader = new BinaryReader(gzIn); + string s = reader.ReadString(); + Assert.AreEqual("hi there",s); + double d = reader.ReadDouble(); + Assert.AreEqual(Math.PI, d); + int i = reader.ReadInt32(); + Assert.AreEqual(42,i); + } + + } + #endregion + } +} + +#endif diff --git a/contrib/dotzlib/LICENSE_1_0.txt b/contrib/dotzlib/LICENSE_1_0.txt new file mode 100644 index 0000000..127a5bc --- /dev/null +++ b/contrib/dotzlib/LICENSE_1_0.txt @@ -0,0 +1,23 @@ +Boost Software License - Version 1.0 - August 17th, 2003 + +Permission is hereby granted, free of charge, to any person or organization +obtaining a copy of the software and accompanying documentation covered by +this license (the "Software") to use, reproduce, display, distribute, +execute, and transmit the Software, and to prepare derivative works of the +Software, and to permit third-parties to whom the Software is furnished to +do so, all subject to the following: + +The copyright notices in the Software and this entire statement, including +the above license grant, this restriction and the following disclaimer, +must be included in all copies of the Software, in whole or in part, and +all derivative works of the Software, unless such copies or derivative +works are solely in the form of machine-executable object code generated by +a source language processor. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT +SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE +FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. \ No newline at end of file diff --git a/contrib/dotzlib/readme.txt b/contrib/dotzlib/readme.txt new file mode 100644 index 0000000..4d8c2dd --- /dev/null +++ b/contrib/dotzlib/readme.txt @@ -0,0 +1,58 @@ +This directory contains a .Net wrapper class library for the ZLib1.dll + +The wrapper includes support for inflating/deflating memory buffers, +.Net streaming wrappers for the gz streams part of zlib, and wrappers +for the checksum parts of zlib. See DotZLib/UnitTests.cs for examples. + +Directory structure: +-------------------- + +LICENSE_1_0.txt - License file. +readme.txt - This file. +DotZLib.chm - Class library documentation +DotZLib.build - NAnt build file +DotZLib.sln - Microsoft Visual Studio 2003 solution file + +DotZLib\*.cs - Source files for the class library + +Unit tests: +----------- +The file DotZLib/UnitTests.cs contains unit tests for use with NUnit 2.1 or higher. +To include unit tests in the build, define nunit before building. + + +Build instructions: +------------------- + +1. Using Visual Studio.Net 2003: + Open DotZLib.sln in VS.Net and build from there. Output file (DotZLib.dll) + will be found ./DotZLib/bin/release or ./DotZLib/bin/debug, depending on + you are building the release or debug version of the library. Check + DotZLib/UnitTests.cs for instructions on how to include unit tests in the + build. + +2. Using NAnt: + Open a command prompt with access to the build environment and run nant + in the same directory as the DotZLib.build file. + You can define 2 properties on the nant command-line to control the build: + debug={true|false} to toggle between release/debug builds (default=true). + nunit={true|false} to include or esclude unit tests (default=true). + Also the target clean will remove binaries. + Output file (DotZLib.dll) will be found in either ./DotZLib/bin/release + or ./DotZLib/bin/debug, depending on whether you are building the release + or debug version of the library. + + Examples: + nant -D:debug=false -D:nunit=false + will build a release mode version of the library without unit tests. + nant + will build a debug version of the library with unit tests + nant clean + will remove all previously built files. + + +--------------------------------- +Copyright (c) Henrik Ravn 2004 + +Use, modification and distribution are subject to the Boost Software License, Version 1.0. +(See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) diff --git a/contrib/gcc_gvmat64/gvmat64.S b/contrib/gcc_gvmat64/gvmat64.S new file mode 100644 index 0000000..23309fa --- /dev/null +++ b/contrib/gcc_gvmat64/gvmat64.S @@ -0,0 +1,574 @@ +/* +;uInt longest_match_x64( +; deflate_state *s, +; IPos cur_match); // current match + +; gvmat64.S -- Asm portion of the optimized longest_match for 32 bits x86_64 +; (AMD64 on Athlon 64, Opteron, Phenom +; and Intel EM64T on Pentium 4 with EM64T, Pentium D, Core 2 Duo, Core I5/I7) +; this file is translation from gvmat64.asm to GCC 4.x (for Linux, Mac XCode) +; Copyright (C) 1995-2010 Jean-loup Gailly, Brian Raiter and Gilles Vollant. +; +; File written by Gilles Vollant, by converting to assembly the longest_match +; from Jean-loup Gailly in deflate.c of zLib and infoZip zip. +; and by taking inspiration on asm686 with masm, optimised assembly code +; from Brian Raiter, written 1998 +; +; This software is provided 'as-is', without any express or implied +; warranty. In no event will the authors be held liable for any damages +; arising from the use of this software. +; +; Permission is granted to anyone to use this software for any purpose, +; including commercial applications, and to alter it and redistribute it +; freely, subject to the following restrictions: +; +; 1. The origin of this software must not be misrepresented; you must not +; claim that you wrote the original software. If you use this software +; in a product, an acknowledgment in the product documentation would be +; appreciated but is not required. +; 2. Altered source versions must be plainly marked as such, and must not be +; misrepresented as being the original software +; 3. This notice may not be removed or altered from any source distribution. +; +; http://www.zlib.net +; http://www.winimage.com/zLibDll +; http://www.muppetlabs.com/~breadbox/software/assembly.html +; +; to compile this file for zLib, I use option: +; gcc -c -arch x86_64 gvmat64.S + + +;uInt longest_match(s, cur_match) +; deflate_state *s; +; IPos cur_match; // current match / +; +; with XCode for Mac, I had strange error with some jump on intel syntax +; this is why BEFORE_JMP and AFTER_JMP are used + */ + + +#define BEFORE_JMP .att_syntax +#define AFTER_JMP .intel_syntax noprefix + +#ifndef NO_UNDERLINE +# define match_init _match_init +# define longest_match _longest_match +#endif + +.intel_syntax noprefix + +.globl match_init, longest_match +.text +longest_match: + + + +#define LocalVarsSize 96 +/* +; register used : rax,rbx,rcx,rdx,rsi,rdi,r8,r9,r10,r11,r12 +; free register : r14,r15 +; register can be saved : rsp +*/ + +#define chainlenwmask (rsp + 8 - LocalVarsSize) +#define nicematch (rsp + 16 - LocalVarsSize) + +#define save_rdi (rsp + 24 - LocalVarsSize) +#define save_rsi (rsp + 32 - LocalVarsSize) +#define save_rbx (rsp + 40 - LocalVarsSize) +#define save_rbp (rsp + 48 - LocalVarsSize) +#define save_r12 (rsp + 56 - LocalVarsSize) +#define save_r13 (rsp + 64 - LocalVarsSize) +#define save_r14 (rsp + 72 - LocalVarsSize) +#define save_r15 (rsp + 80 - LocalVarsSize) + + +/* +; all the +4 offsets are due to the addition of pending_buf_size (in zlib +; in the deflate_state structure since the asm code was first written +; (if you compile with zlib 1.0.4 or older, remove the +4). +; Note : these value are good with a 8 bytes boundary pack structure +*/ + +#define MAX_MATCH 258 +#define MIN_MATCH 3 +#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) + +/* +;;; Offsets for fields in the deflate_state structure. These numbers +;;; are calculated from the definition of deflate_state, with the +;;; assumption that the compiler will dword-align the fields. (Thus, +;;; changing the definition of deflate_state could easily cause this +;;; program to crash horribly, without so much as a warning at +;;; compile time. Sigh.) + +; all the +zlib1222add offsets are due to the addition of fields +; in zlib in the deflate_state structure since the asm code was first written +; (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)"). +; (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0"). +; if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8"). +*/ + + + +/* you can check the structure offset by running + +#include +#include +#include "deflate.h" + +void print_depl() +{ +deflate_state ds; +deflate_state *s=&ds; +printf("size pointer=%u\n",(int)sizeof(void*)); + +printf("#define dsWSize %u\n",(int)(((char*)&(s->w_size))-((char*)s))); +printf("#define dsWMask %u\n",(int)(((char*)&(s->w_mask))-((char*)s))); +printf("#define dsWindow %u\n",(int)(((char*)&(s->window))-((char*)s))); +printf("#define dsPrev %u\n",(int)(((char*)&(s->prev))-((char*)s))); +printf("#define dsMatchLen %u\n",(int)(((char*)&(s->match_length))-((char*)s))); +printf("#define dsPrevMatch %u\n",(int)(((char*)&(s->prev_match))-((char*)s))); +printf("#define dsStrStart %u\n",(int)(((char*)&(s->strstart))-((char*)s))); +printf("#define dsMatchStart %u\n",(int)(((char*)&(s->match_start))-((char*)s))); +printf("#define dsLookahead %u\n",(int)(((char*)&(s->lookahead))-((char*)s))); +printf("#define dsPrevLen %u\n",(int)(((char*)&(s->prev_length))-((char*)s))); +printf("#define dsMaxChainLen %u\n",(int)(((char*)&(s->max_chain_length))-((char*)s))); +printf("#define dsGoodMatch %u\n",(int)(((char*)&(s->good_match))-((char*)s))); +printf("#define dsNiceMatch %u\n",(int)(((char*)&(s->nice_match))-((char*)s))); +} +*/ + +#define dsWSize 68 +#define dsWMask 76 +#define dsWindow 80 +#define dsPrev 96 +#define dsMatchLen 144 +#define dsPrevMatch 148 +#define dsStrStart 156 +#define dsMatchStart 160 +#define dsLookahead 164 +#define dsPrevLen 168 +#define dsMaxChainLen 172 +#define dsGoodMatch 188 +#define dsNiceMatch 192 + +#define window_size [ rcx + dsWSize] +#define WMask [ rcx + dsWMask] +#define window_ad [ rcx + dsWindow] +#define prev_ad [ rcx + dsPrev] +#define strstart [ rcx + dsStrStart] +#define match_start [ rcx + dsMatchStart] +#define Lookahead [ rcx + dsLookahead] //; 0ffffffffh on infozip +#define prev_length [ rcx + dsPrevLen] +#define max_chain_length [ rcx + dsMaxChainLen] +#define good_match [ rcx + dsGoodMatch] +#define nice_match [ rcx + dsNiceMatch] + +/* +; windows: +; parameter 1 in rcx(deflate state s), param 2 in rdx (cur match) + +; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and +; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp +; +; All registers must be preserved across the call, except for +; rax, rcx, rdx, r8, r9, r10, and r11, which are scratch. + +; +; gcc on macosx-linux: +; see http://www.x86-64.org/documentation/abi-0.99.pdf +; param 1 in rdi, param 2 in rsi +; rbx, rsp, rbp, r12 to r15 must be preserved + +;;; Save registers that the compiler may be using, and adjust esp to +;;; make room for our stack frame. + + +;;; Retrieve the function arguments. r8d will hold cur_match +;;; throughout the entire function. edx will hold the pointer to the +;;; deflate_state structure during the function's setup (before +;;; entering the main loop. + +; ms: parameter 1 in rcx (deflate_state* s), param 2 in edx -> r8 (cur match) +; mac: param 1 in rdi, param 2 rsi +; this clear high 32 bits of r8, which can be garbage in both r8 and rdx +*/ + mov [save_rbx],rbx + mov [save_rbp],rbp + + + mov rcx,rdi + + mov r8d,esi + + + mov [save_r12],r12 + mov [save_r13],r13 + mov [save_r14],r14 + mov [save_r15],r15 + + +//;;; uInt wmask = s->w_mask; +//;;; unsigned chain_length = s->max_chain_length; +//;;; if (s->prev_length >= s->good_match) { +//;;; chain_length >>= 2; +//;;; } + + + mov edi, prev_length + mov esi, good_match + mov eax, WMask + mov ebx, max_chain_length + cmp edi, esi + jl LastMatchGood + shr ebx, 2 +LastMatchGood: + +//;;; chainlen is decremented once beforehand so that the function can +//;;; use the sign flag instead of the zero flag for the exit test. +//;;; It is then shifted into the high word, to make room for the wmask +//;;; value, which it will always accompany. + + dec ebx + shl ebx, 16 + or ebx, eax + +//;;; on zlib only +//;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + + + + mov eax, nice_match + mov [chainlenwmask], ebx + mov r10d, Lookahead + cmp r10d, eax + cmovnl r10d, eax + mov [nicematch],r10d + + + +//;;; register Bytef *scan = s->window + s->strstart; + mov r10, window_ad + mov ebp, strstart + lea r13, [r10 + rbp] + +//;;; Determine how many bytes the scan ptr is off from being +//;;; dword-aligned. + + mov r9,r13 + neg r13 + and r13,3 + +//;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? +//;;; s->strstart - (IPos)MAX_DIST(s) : NIL; + + + mov eax, window_size + sub eax, MIN_LOOKAHEAD + + + xor edi,edi + sub ebp, eax + + mov r11d, prev_length + + cmovng ebp,edi + +//;;; int best_len = s->prev_length; + + +//;;; Store the sum of s->window + best_len in esi locally, and in esi. + + lea rsi,[r10+r11] + +//;;; register ush scan_start = *(ushf*)scan; +//;;; register ush scan_end = *(ushf*)(scan+best_len-1); +//;;; Posf *prev = s->prev; + + movzx r12d,word ptr [r9] + movzx ebx, word ptr [r9 + r11 - 1] + + mov rdi, prev_ad + +//;;; Jump into the main loop. + + mov edx, [chainlenwmask] + + cmp bx,word ptr [rsi + r8 - 1] + jz LookupLoopIsZero + + + +LookupLoop1: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + jbe LeaveNow + + + + sub edx, 0x00010000 + BEFORE_JMP + js LeaveNow + AFTER_JMP + +LoopEntry1: + cmp bx,word ptr [rsi + r8 - 1] + BEFORE_JMP + jz LookupLoopIsZero + AFTER_JMP + +LookupLoop2: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + BEFORE_JMP + jbe LeaveNow + AFTER_JMP + sub edx, 0x00010000 + BEFORE_JMP + js LeaveNow + AFTER_JMP + +LoopEntry2: + cmp bx,word ptr [rsi + r8 - 1] + BEFORE_JMP + jz LookupLoopIsZero + AFTER_JMP + +LookupLoop4: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + BEFORE_JMP + jbe LeaveNow + AFTER_JMP + sub edx, 0x00010000 + BEFORE_JMP + js LeaveNow + AFTER_JMP + +LoopEntry4: + + cmp bx,word ptr [rsi + r8 - 1] + BEFORE_JMP + jnz LookupLoop1 + jmp LookupLoopIsZero + AFTER_JMP +/* +;;; do { +;;; match = s->window + cur_match; +;;; if (*(ushf*)(match+best_len-1) != scan_end || +;;; *(ushf*)match != scan_start) continue; +;;; [...] +;;; } while ((cur_match = prev[cur_match & wmask]) > limit +;;; && --chain_length != 0); +;;; +;;; Here is the inner loop of the function. The function will spend the +;;; majority of its time in this loop, and majority of that time will +;;; be spent in the first ten instructions. +;;; +;;; Within this loop: +;;; ebx = scanend +;;; r8d = curmatch +;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) +;;; esi = windowbestlen - i.e., (window + bestlen) +;;; edi = prev +;;; ebp = limit +*/ +.balign 16 +LookupLoop: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + BEFORE_JMP + jbe LeaveNow + AFTER_JMP + sub edx, 0x00010000 + BEFORE_JMP + js LeaveNow + AFTER_JMP + +LoopEntry: + + cmp bx,word ptr [rsi + r8 - 1] + BEFORE_JMP + jnz LookupLoop1 + AFTER_JMP +LookupLoopIsZero: + cmp r12w, word ptr [r10 + r8] + BEFORE_JMP + jnz LookupLoop1 + AFTER_JMP + + +//;;; Store the current value of chainlen. + mov [chainlenwmask], edx +/* +;;; Point edi to the string under scrutiny, and esi to the string we +;;; are hoping to match it up with. In actuality, esi and edi are +;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is +;;; initialized to -(MAX_MATCH_8 - scanalign). +*/ + lea rsi,[r8+r10] + mov rdx, 0xfffffffffffffef8 //; -(MAX_MATCH_8) + lea rsi, [rsi + r13 + 0x0108] //;MAX_MATCH_8] + lea rdi, [r9 + r13 + 0x0108] //;MAX_MATCH_8] + + prefetcht1 [rsi+rdx] + prefetcht1 [rdi+rdx] + +/* +;;; Test the strings for equality, 8 bytes at a time. At the end, +;;; adjust rdx so that it is offset to the exact byte that mismatched. +;;; +;;; We already know at this point that the first three bytes of the +;;; strings match each other, and they can be safely passed over before +;;; starting the compare loop. So what this code does is skip over 0-3 +;;; bytes, as much as necessary in order to dword-align the edi +;;; pointer. (rsi will still be misaligned three times out of four.) +;;; +;;; It should be confessed that this loop usually does not represent +;;; much of the total running time. Replacing it with a more +;;; straightforward "rep cmpsb" would not drastically degrade +;;; performance. +*/ + +LoopCmps: + mov rax, [rsi + rdx] + xor rax, [rdi + rdx] + jnz LeaveLoopCmps + + mov rax, [rsi + rdx + 8] + xor rax, [rdi + rdx + 8] + jnz LeaveLoopCmps8 + + + mov rax, [rsi + rdx + 8+8] + xor rax, [rdi + rdx + 8+8] + jnz LeaveLoopCmps16 + + add rdx,8+8+8 + + BEFORE_JMP + jnz LoopCmps + jmp LenMaximum + AFTER_JMP + +LeaveLoopCmps16: add rdx,8 +LeaveLoopCmps8: add rdx,8 +LeaveLoopCmps: + + test eax, 0x0000FFFF + jnz LenLower + + test eax,0xffffffff + + jnz LenLower32 + + add rdx,4 + shr rax,32 + or ax,ax + BEFORE_JMP + jnz LenLower + AFTER_JMP + +LenLower32: + shr eax,16 + add rdx,2 + +LenLower: + sub al, 1 + adc rdx, 0 +//;;; Calculate the length of the match. If it is longer than MAX_MATCH, +//;;; then automatically accept it as the best possible match and leave. + + lea rax, [rdi + rdx] + sub rax, r9 + cmp eax, MAX_MATCH + BEFORE_JMP + jge LenMaximum + AFTER_JMP +/* +;;; If the length of the match is not longer than the best match we +;;; have so far, then forget it and return to the lookup loop. +;/////////////////////////////////// +*/ + cmp eax, r11d + jg LongerMatch + + lea rsi,[r10+r11] + + mov rdi, prev_ad + mov edx, [chainlenwmask] + BEFORE_JMP + jmp LookupLoop + AFTER_JMP +/* +;;; s->match_start = cur_match; +;;; best_len = len; +;;; if (len >= nice_match) break; +;;; scan_end = *(ushf*)(scan+best_len-1); +*/ +LongerMatch: + mov r11d, eax + mov match_start, r8d + cmp eax, [nicematch] + BEFORE_JMP + jge LeaveNow + AFTER_JMP + + lea rsi,[r10+rax] + + movzx ebx, word ptr [r9 + rax - 1] + mov rdi, prev_ad + mov edx, [chainlenwmask] + BEFORE_JMP + jmp LookupLoop + AFTER_JMP + +//;;; Accept the current string, with the maximum possible length. + +LenMaximum: + mov r11d,MAX_MATCH + mov match_start, r8d + +//;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len; +//;;; return s->lookahead; + +LeaveNow: + mov eax, Lookahead + cmp r11d, eax + cmovng eax, r11d + + + +//;;; Restore the stack and return from whence we came. + + +// mov rsi,[save_rsi] +// mov rdi,[save_rdi] + mov rbx,[save_rbx] + mov rbp,[save_rbp] + mov r12,[save_r12] + mov r13,[save_r13] + mov r14,[save_r14] + mov r15,[save_r15] + + + ret 0 +//; please don't remove this string ! +//; Your can freely use gvmat64 in any free or commercial app +//; but it is far better don't remove the string in the binary! + // db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998, converted to amd 64 by Gilles Vollant 2005",0dh,0ah,0 + + +match_init: + ret 0 + + diff --git a/contrib/infback9/README b/contrib/infback9/README new file mode 100644 index 0000000..e75ed13 --- /dev/null +++ b/contrib/infback9/README @@ -0,0 +1 @@ +See infback9.h for what this is and how to use it. diff --git a/contrib/infback9/infback9.c b/contrib/infback9/infback9.c new file mode 100644 index 0000000..05fb3e3 --- /dev/null +++ b/contrib/infback9/infback9.c @@ -0,0 +1,615 @@ +/* infback9.c -- inflate deflate64 data using a call-back interface + * Copyright (C) 1995-2008 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "infback9.h" +#include "inftree9.h" +#include "inflate9.h" + +#define WSIZE 65536UL + +/* + strm provides memory allocation functions in zalloc and zfree, or + Z_NULL to use the library memory allocation functions. + + window is a user-supplied window and output buffer that is 64K bytes. + */ +int ZEXPORT inflateBack9Init_(strm, window, version, stream_size) +z_stream FAR *strm; +unsigned char FAR *window; +const char *version; +int stream_size; +{ + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL || window == Z_NULL) + return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; + } + if (strm->zfree == (free_func)0) strm->zfree = zcfree; + state = (struct inflate_state FAR *)ZALLOC(strm, 1, + sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (voidpf)state; + state->window = window; + return Z_OK; +} + +/* + Build and output length and distance decoding tables for fixed code + decoding. + */ +#ifdef MAKEFIXED +#include + +void makefixed9(void) +{ + unsigned sym, bits, low, size; + code *next, *lenfix, *distfix; + struct inflate_state state; + code fixed[544]; + + /* literal/length table */ + sym = 0; + while (sym < 144) state.lens[sym++] = 8; + while (sym < 256) state.lens[sym++] = 9; + while (sym < 280) state.lens[sym++] = 7; + while (sym < 288) state.lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table9(LENS, state.lens, 288, &(next), &(bits), state.work); + + /* distance table */ + sym = 0; + while (sym < 32) state.lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table9(DISTS, state.lens, 32, &(next), &(bits), state.work); + + /* write tables */ + puts(" /* inffix9.h -- table for decoding deflate64 fixed codes"); + puts(" * Generated automatically by makefixed9()."); + puts(" */"); + puts(""); + puts(" /* WARNING: this file should *not* be used by applications."); + puts(" It is part of the implementation of this library and is"); + puts(" subject to change. Applications should only use zlib.h."); + puts(" */"); + puts(""); + size = 1U << 9; + printf(" static const code lenfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 6) == 0) printf("\n "); + printf("{%u,%u,%d}", lenfix[low].op, lenfix[low].bits, + lenfix[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); + size = 1U << 5; + printf("\n static const code distfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 5) == 0) printf("\n "); + printf("{%u,%u,%d}", distfix[low].op, distfix[low].bits, + distfix[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); +} +#endif /* MAKEFIXED */ + +/* Macros for inflateBack(): */ + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Assure that some input is available. If input is requested, but denied, + then return a Z_BUF_ERROR from inflateBack(). */ +#define PULL() \ + do { \ + if (have == 0) { \ + have = in(in_desc, &next); \ + if (have == 0) { \ + next = Z_NULL; \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflateBack() + with an error if there is no input available. */ +#define PULLBYTE() \ + do { \ + PULL(); \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflateBack() with + an error. */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n <= 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* Assure that some output space is available, by writing out the window + if it's full. If the write fails, return from inflateBack() with a + Z_BUF_ERROR. */ +#define ROOM() \ + do { \ + if (left == 0) { \ + put = window; \ + left = WSIZE; \ + wrap = 1; \ + if (out(out_desc, put, (unsigned)left)) { \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* + strm provides the memory allocation functions and window buffer on input, + and provides information on the unused input on return. For Z_DATA_ERROR + returns, strm will also provide an error message. + + in() and out() are the call-back input and output functions. When + inflateBack() needs more input, it calls in(). When inflateBack() has + filled the window with output, or when it completes with data in the + window, it calls out() to write out the data. The application must not + change the provided input until in() is called again or inflateBack() + returns. The application must not change the window/output buffer until + inflateBack() returns. + + in() and out() are called with a descriptor parameter provided in the + inflateBack() call. This parameter can be a structure that provides the + information required to do the read or write, as well as accumulated + information on the input and output such as totals and check values. + + in() should return zero on failure. out() should return non-zero on + failure. If either in() or out() fails, than inflateBack() returns a + Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it + was in() or out() that caused in the error. Otherwise, inflateBack() + returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format + error, or Z_MEM_ERROR if it could not allocate memory for the state. + inflateBack() can also return Z_STREAM_ERROR if the input parameters + are not correct, i.e. strm is Z_NULL or the state was not initialized. + */ +int ZEXPORT inflateBack9(strm, in, in_desc, out, out_desc) +z_stream FAR *strm; +in_func in; +void FAR *in_desc; +out_func out; +void FAR *out_desc; +{ + struct inflate_state FAR *state; + z_const unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have; /* available input */ + unsigned long left; /* available output */ + inflate_mode mode; /* current inflate mode */ + int lastblock; /* true if processing last block */ + int wrap; /* true if the window has wrapped */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned extra; /* extra bits needed */ + unsigned long length; /* literal or length of data to copy */ + unsigned long offset; /* distance back to copy string from */ + unsigned long copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code const FAR *lencode; /* starting table for length/literal codes */ + code const FAR *distcode; /* starting table for distance codes */ + unsigned lenbits; /* index bits for lencode */ + unsigned distbits; /* index bits for distcode */ + code here; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; +#include "inffix9.h" + + /* Check that the strm exists and that the state was initialized */ + if (strm == Z_NULL || strm->state == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* Reset the state */ + strm->msg = Z_NULL; + mode = TYPE; + lastblock = 0; + wrap = 0; + window = state->window; + next = strm->next_in; + have = next != Z_NULL ? strm->avail_in : 0; + hold = 0; + bits = 0; + put = window; + left = WSIZE; + lencode = Z_NULL; + distcode = Z_NULL; + + /* Inflate until end of block marked as last */ + for (;;) + switch (mode) { + case TYPE: + /* determine and dispatch block type */ + if (lastblock) { + BYTEBITS(); + mode = DONE; + break; + } + NEEDBITS(3); + lastblock = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + lastblock ? " (last)" : "")); + mode = STORED; + break; + case 1: /* fixed block */ + lencode = lenfix; + lenbits = 9; + distcode = distfix; + distbits = 5; + Tracev((stderr, "inflate: fixed codes block%s\n", + lastblock ? " (last)" : "")); + mode = LEN; /* decode codes */ + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + lastblock ? " (last)" : "")); + mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + mode = BAD; + } + DROPBITS(2); + break; + + case STORED: + /* get and verify stored block length */ + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + mode = BAD; + break; + } + length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %lu\n", + length)); + INITBITS(); + + /* copy stored block from input to output */ + while (length != 0) { + copy = length; + PULL(); + ROOM(); + if (copy > have) copy = have; + if (copy > left) copy = left; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + length -= copy; + } + Tracev((stderr, "inflate: stored end\n")); + mode = TYPE; + break; + + case TABLE: + /* get dynamic table entries descriptor */ + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); + if (state->nlen > 286) { + strm->msg = (char *)"too many length symbols"; + mode = BAD; + break; + } + Tracev((stderr, "inflate: table sizes ok\n")); + + /* get code length code lengths (not a typo) */ + state->have = 0; + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + lencode = (code const FAR *)(state->next); + lenbits = 7; + ret = inflate_table9(CODES, state->lens, 19, &(state->next), + &(lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + + /* get length and distance code code lengths */ + state->have = 0; + while (state->have < state->nlen + state->ndist) { + for (;;) { + here = lencode[BITS(lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.val < 16) { + NEEDBITS(here.bits); + DROPBITS(here.bits); + state->lens[state->have++] = here.val; + } + else { + if (here.val == 16) { + NEEDBITS(here.bits + 2); + DROPBITS(here.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + mode = BAD; + break; + } + len = (unsigned)(state->lens[state->have - 1]); + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (here.val == 17) { + NEEDBITS(here.bits + 3); + DROPBITS(here.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(here.bits + 7); + DROPBITS(here.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (mode == BAD) break; + + /* check for end-of-block code (better have one) */ + if (state->lens[256] == 0) { + strm->msg = (char *)"invalid code -- missing end-of-block"; + mode = BAD; + break; + } + + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftree9.h + concerning the ENOUGH constants, which depend on those values */ + state->next = state->codes; + lencode = (code const FAR *)(state->next); + lenbits = 9; + ret = inflate_table9(LENS, state->lens, state->nlen, + &(state->next), &(lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + mode = BAD; + break; + } + distcode = (code const FAR *)(state->next); + distbits = 6; + ret = inflate_table9(DISTS, state->lens + state->nlen, + state->ndist, &(state->next), &(distbits), + state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + mode = LEN; + + case LEN: + /* get a literal, length, or end-of-block code */ + for (;;) { + here = lencode[BITS(lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.op && (here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + length = (unsigned)here.val; + + /* process literal */ + if (here.op == 0) { + Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here.val)); + ROOM(); + *put++ = (unsigned char)(length); + left--; + mode = LEN; + break; + } + + /* process end of block */ + if (here.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + mode = TYPE; + break; + } + + /* invalid code */ + if (here.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + mode = BAD; + break; + } + + /* length code -- get extra bits, if any */ + extra = (unsigned)(here.op) & 31; + if (extra != 0) { + NEEDBITS(extra); + length += BITS(extra); + DROPBITS(extra); + } + Tracevv((stderr, "inflate: length %lu\n", length)); + + /* get distance code */ + for (;;) { + here = distcode[BITS(distbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if ((here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + if (here.op & 64) { + strm->msg = (char *)"invalid distance code"; + mode = BAD; + break; + } + offset = (unsigned)here.val; + + /* get distance extra bits, if any */ + extra = (unsigned)(here.op) & 15; + if (extra != 0) { + NEEDBITS(extra); + offset += BITS(extra); + DROPBITS(extra); + } + if (offset > WSIZE - (wrap ? 0: left)) { + strm->msg = (char *)"invalid distance too far back"; + mode = BAD; + break; + } + Tracevv((stderr, "inflate: distance %lu\n", offset)); + + /* copy match from window to output */ + do { + ROOM(); + copy = WSIZE - offset; + if (copy < left) { + from = put + copy; + copy = left - copy; + } + else { + from = put - offset; + copy = left; + } + if (copy > length) copy = length; + length -= copy; + left -= copy; + do { + *put++ = *from++; + } while (--copy); + } while (length != 0); + break; + + case DONE: + /* inflate stream terminated properly -- write leftover output */ + ret = Z_STREAM_END; + if (left < WSIZE) { + if (out(out_desc, window, (unsigned)(WSIZE - left))) + ret = Z_BUF_ERROR; + } + goto inf_leave; + + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + + default: /* can't happen, but makes compilers happy */ + ret = Z_STREAM_ERROR; + goto inf_leave; + } + + /* Return unused input */ + inf_leave: + strm->next_in = next; + strm->avail_in = have; + return ret; +} + +int ZEXPORT inflateBack9End(strm) +z_stream FAR *strm; +{ + if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) + return Z_STREAM_ERROR; + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} diff --git a/contrib/infback9/infback9.h b/contrib/infback9/infback9.h new file mode 100644 index 0000000..1073c0a --- /dev/null +++ b/contrib/infback9/infback9.h @@ -0,0 +1,37 @@ +/* infback9.h -- header for using inflateBack9 functions + * Copyright (C) 2003 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * This header file and associated patches provide a decoder for PKWare's + * undocumented deflate64 compression method (method 9). Use with infback9.c, + * inftree9.h, inftree9.c, and inffix9.h. These patches are not supported. + * This should be compiled with zlib, since it uses zutil.h and zutil.o. + * This code has not yet been tested on 16-bit architectures. See the + * comments in zlib.h for inflateBack() usage. These functions are used + * identically, except that there is no windowBits parameter, and a 64K + * window must be provided. Also if int's are 16 bits, then a zero for + * the third parameter of the "out" function actually means 65536UL. + * zlib.h must be included before this header file. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +ZEXTERN int ZEXPORT inflateBack9 OF((z_stream FAR *strm, + in_func in, void FAR *in_desc, + out_func out, void FAR *out_desc)); +ZEXTERN int ZEXPORT inflateBack9End OF((z_stream FAR *strm)); +ZEXTERN int ZEXPORT inflateBack9Init_ OF((z_stream FAR *strm, + unsigned char FAR *window, + const char *version, + int stream_size)); +#define inflateBack9Init(strm, window) \ + inflateBack9Init_((strm), (window), \ + ZLIB_VERSION, sizeof(z_stream)) + +#ifdef __cplusplus +} +#endif diff --git a/contrib/infback9/inffix9.h b/contrib/infback9/inffix9.h new file mode 100644 index 0000000..ee5671d --- /dev/null +++ b/contrib/infback9/inffix9.h @@ -0,0 +1,107 @@ + /* inffix9.h -- table for decoding deflate64 fixed codes + * Generated automatically by makefixed9(). + */ + + /* WARNING: this file should *not* be used by applications. + It is part of the implementation of this library and is + subject to change. Applications should only use zlib.h. + */ + + static const code lenfix[512] = { + {96,7,0},{0,8,80},{0,8,16},{132,8,115},{130,7,31},{0,8,112}, + {0,8,48},{0,9,192},{128,7,10},{0,8,96},{0,8,32},{0,9,160}, + {0,8,0},{0,8,128},{0,8,64},{0,9,224},{128,7,6},{0,8,88}, + {0,8,24},{0,9,144},{131,7,59},{0,8,120},{0,8,56},{0,9,208}, + {129,7,17},{0,8,104},{0,8,40},{0,9,176},{0,8,8},{0,8,136}, + {0,8,72},{0,9,240},{128,7,4},{0,8,84},{0,8,20},{133,8,227}, + {131,7,43},{0,8,116},{0,8,52},{0,9,200},{129,7,13},{0,8,100}, + {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232}, + {128,7,8},{0,8,92},{0,8,28},{0,9,152},{132,7,83},{0,8,124}, + {0,8,60},{0,9,216},{130,7,23},{0,8,108},{0,8,44},{0,9,184}, + {0,8,12},{0,8,140},{0,8,76},{0,9,248},{128,7,3},{0,8,82}, + {0,8,18},{133,8,163},{131,7,35},{0,8,114},{0,8,50},{0,9,196}, + {129,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},{0,8,130}, + {0,8,66},{0,9,228},{128,7,7},{0,8,90},{0,8,26},{0,9,148}, + {132,7,67},{0,8,122},{0,8,58},{0,9,212},{130,7,19},{0,8,106}, + {0,8,42},{0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244}, + {128,7,5},{0,8,86},{0,8,22},{65,8,0},{131,7,51},{0,8,118}, + {0,8,54},{0,9,204},{129,7,15},{0,8,102},{0,8,38},{0,9,172}, + {0,8,6},{0,8,134},{0,8,70},{0,9,236},{128,7,9},{0,8,94}, + {0,8,30},{0,9,156},{132,7,99},{0,8,126},{0,8,62},{0,9,220}, + {130,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, + {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{133,8,131}, + {130,7,31},{0,8,113},{0,8,49},{0,9,194},{128,7,10},{0,8,97}, + {0,8,33},{0,9,162},{0,8,1},{0,8,129},{0,8,65},{0,9,226}, + {128,7,6},{0,8,89},{0,8,25},{0,9,146},{131,7,59},{0,8,121}, + {0,8,57},{0,9,210},{129,7,17},{0,8,105},{0,8,41},{0,9,178}, + {0,8,9},{0,8,137},{0,8,73},{0,9,242},{128,7,4},{0,8,85}, + {0,8,21},{144,8,3},{131,7,43},{0,8,117},{0,8,53},{0,9,202}, + {129,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133}, + {0,8,69},{0,9,234},{128,7,8},{0,8,93},{0,8,29},{0,9,154}, + {132,7,83},{0,8,125},{0,8,61},{0,9,218},{130,7,23},{0,8,109}, + {0,8,45},{0,9,186},{0,8,13},{0,8,141},{0,8,77},{0,9,250}, + {128,7,3},{0,8,83},{0,8,19},{133,8,195},{131,7,35},{0,8,115}, + {0,8,51},{0,9,198},{129,7,11},{0,8,99},{0,8,35},{0,9,166}, + {0,8,3},{0,8,131},{0,8,67},{0,9,230},{128,7,7},{0,8,91}, + {0,8,27},{0,9,150},{132,7,67},{0,8,123},{0,8,59},{0,9,214}, + {130,7,19},{0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139}, + {0,8,75},{0,9,246},{128,7,5},{0,8,87},{0,8,23},{77,8,0}, + {131,7,51},{0,8,119},{0,8,55},{0,9,206},{129,7,15},{0,8,103}, + {0,8,39},{0,9,174},{0,8,7},{0,8,135},{0,8,71},{0,9,238}, + {128,7,9},{0,8,95},{0,8,31},{0,9,158},{132,7,99},{0,8,127}, + {0,8,63},{0,9,222},{130,7,27},{0,8,111},{0,8,47},{0,9,190}, + {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80}, + {0,8,16},{132,8,115},{130,7,31},{0,8,112},{0,8,48},{0,9,193}, + {128,7,10},{0,8,96},{0,8,32},{0,9,161},{0,8,0},{0,8,128}, + {0,8,64},{0,9,225},{128,7,6},{0,8,88},{0,8,24},{0,9,145}, + {131,7,59},{0,8,120},{0,8,56},{0,9,209},{129,7,17},{0,8,104}, + {0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},{0,9,241}, + {128,7,4},{0,8,84},{0,8,20},{133,8,227},{131,7,43},{0,8,116}, + {0,8,52},{0,9,201},{129,7,13},{0,8,100},{0,8,36},{0,9,169}, + {0,8,4},{0,8,132},{0,8,68},{0,9,233},{128,7,8},{0,8,92}, + {0,8,28},{0,9,153},{132,7,83},{0,8,124},{0,8,60},{0,9,217}, + {130,7,23},{0,8,108},{0,8,44},{0,9,185},{0,8,12},{0,8,140}, + {0,8,76},{0,9,249},{128,7,3},{0,8,82},{0,8,18},{133,8,163}, + {131,7,35},{0,8,114},{0,8,50},{0,9,197},{129,7,11},{0,8,98}, + {0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, + {128,7,7},{0,8,90},{0,8,26},{0,9,149},{132,7,67},{0,8,122}, + {0,8,58},{0,9,213},{130,7,19},{0,8,106},{0,8,42},{0,9,181}, + {0,8,10},{0,8,138},{0,8,74},{0,9,245},{128,7,5},{0,8,86}, + {0,8,22},{65,8,0},{131,7,51},{0,8,118},{0,8,54},{0,9,205}, + {129,7,15},{0,8,102},{0,8,38},{0,9,173},{0,8,6},{0,8,134}, + {0,8,70},{0,9,237},{128,7,9},{0,8,94},{0,8,30},{0,9,157}, + {132,7,99},{0,8,126},{0,8,62},{0,9,221},{130,7,27},{0,8,110}, + {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253}, + {96,7,0},{0,8,81},{0,8,17},{133,8,131},{130,7,31},{0,8,113}, + {0,8,49},{0,9,195},{128,7,10},{0,8,97},{0,8,33},{0,9,163}, + {0,8,1},{0,8,129},{0,8,65},{0,9,227},{128,7,6},{0,8,89}, + {0,8,25},{0,9,147},{131,7,59},{0,8,121},{0,8,57},{0,9,211}, + {129,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},{0,8,137}, + {0,8,73},{0,9,243},{128,7,4},{0,8,85},{0,8,21},{144,8,3}, + {131,7,43},{0,8,117},{0,8,53},{0,9,203},{129,7,13},{0,8,101}, + {0,8,37},{0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235}, + {128,7,8},{0,8,93},{0,8,29},{0,9,155},{132,7,83},{0,8,125}, + {0,8,61},{0,9,219},{130,7,23},{0,8,109},{0,8,45},{0,9,187}, + {0,8,13},{0,8,141},{0,8,77},{0,9,251},{128,7,3},{0,8,83}, + {0,8,19},{133,8,195},{131,7,35},{0,8,115},{0,8,51},{0,9,199}, + {129,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, + {0,8,67},{0,9,231},{128,7,7},{0,8,91},{0,8,27},{0,9,151}, + {132,7,67},{0,8,123},{0,8,59},{0,9,215},{130,7,19},{0,8,107}, + {0,8,43},{0,9,183},{0,8,11},{0,8,139},{0,8,75},{0,9,247}, + {128,7,5},{0,8,87},{0,8,23},{77,8,0},{131,7,51},{0,8,119}, + {0,8,55},{0,9,207},{129,7,15},{0,8,103},{0,8,39},{0,9,175}, + {0,8,7},{0,8,135},{0,8,71},{0,9,239},{128,7,9},{0,8,95}, + {0,8,31},{0,9,159},{132,7,99},{0,8,127},{0,8,63},{0,9,223}, + {130,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143}, + {0,8,79},{0,9,255} + }; + + static const code distfix[32] = { + {128,5,1},{135,5,257},{131,5,17},{139,5,4097},{129,5,5}, + {137,5,1025},{133,5,65},{141,5,16385},{128,5,3},{136,5,513}, + {132,5,33},{140,5,8193},{130,5,9},{138,5,2049},{134,5,129}, + {142,5,32769},{128,5,2},{135,5,385},{131,5,25},{139,5,6145}, + {129,5,7},{137,5,1537},{133,5,97},{141,5,24577},{128,5,4}, + {136,5,769},{132,5,49},{140,5,12289},{130,5,13},{138,5,3073}, + {134,5,193},{142,5,49153} + }; diff --git a/contrib/infback9/inflate9.h b/contrib/infback9/inflate9.h new file mode 100644 index 0000000..ee9a793 --- /dev/null +++ b/contrib/infback9/inflate9.h @@ -0,0 +1,47 @@ +/* inflate9.h -- internal inflate state definition + * Copyright (C) 1995-2003 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Possible inflate modes between inflate() calls */ +typedef enum { + TYPE, /* i: waiting for type bits, including last-flag bit */ + STORED, /* i: waiting for stored size (length and complement) */ + TABLE, /* i: waiting for dynamic block table lengths */ + LEN, /* i: waiting for length/lit code */ + DONE, /* finished check, done -- remain here until reset */ + BAD /* got a data error -- remain here until reset */ +} inflate_mode; + +/* + State transitions between above modes - + + (most modes can go to the BAD mode -- not shown for clarity) + + Read deflate blocks: + TYPE -> STORED or TABLE or LEN or DONE + STORED -> TYPE + TABLE -> LENLENS -> CODELENS -> LEN + Read deflate codes: + LEN -> LEN or TYPE + */ + +/* state maintained between inflate() calls. Approximately 7K bytes. */ +struct inflate_state { + /* sliding window */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + /* dynamic table building */ + unsigned ncode; /* number of code length code lengths */ + unsigned nlen; /* number of length code lengths */ + unsigned ndist; /* number of distance code lengths */ + unsigned have; /* number of code lengths in lens[] */ + code FAR *next; /* next available space in codes[] */ + unsigned short lens[320]; /* temporary storage for code lengths */ + unsigned short work[288]; /* work area for code table building */ + code codes[ENOUGH]; /* space for code tables */ +}; diff --git a/contrib/infback9/inftree9.c b/contrib/infback9/inftree9.c new file mode 100644 index 0000000..10827a6 --- /dev/null +++ b/contrib/infback9/inftree9.c @@ -0,0 +1,324 @@ +/* inftree9.c -- generate Huffman trees for efficient decoding + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftree9.h" + +#define MAXBITS 15 + +const char inflate9_copyright[] = + " inflate9 1.2.13 Copyright 1995-2022 Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* + Build a set of tables to decode the provided canonical Huffman code. + The code lengths are lens[0..codes-1]. The result starts at *table, + whose indices are 0..2^bits-1. work is a writable array of at least + lens shorts, which is used as a work area. type is the type of code + to be generated, CODES, LENS, or DISTS. On return, zero is success, + -1 is an invalid code, and +1 means that ENOUGH isn't enough. table + on return points to the next available entry's address. bits is the + requested root table index bits, and on return it is the actual root + table index bits. It will differ if the request is greater than the + longest code or if it is less than the shortest code. + */ +int inflate_table9(type, lens, codes, table, bits, work) +codetype type; +unsigned short FAR *lens; +unsigned codes; +code FAR * FAR *table; +unsigned FAR *bits; +unsigned short FAR *work; +{ + unsigned len; /* a code's length in bits */ + unsigned sym; /* index of code symbols */ + unsigned min, max; /* minimum and maximum code lengths */ + unsigned root; /* number of index bits for root table */ + unsigned curr; /* number of index bits for current table */ + unsigned drop; /* code bits to drop for sub-table */ + int left; /* number of prefix codes available */ + unsigned used; /* code entries in table used */ + unsigned huff; /* Huffman code */ + unsigned incr; /* for incrementing code, index */ + unsigned fill; /* index for replicating entries */ + unsigned low; /* low bits for current root entry */ + unsigned mask; /* mask for low root bits */ + code this; /* table entry for duplication */ + code FAR *next; /* next available space in table */ + const unsigned short FAR *base; /* base value table to use */ + const unsigned short FAR *extra; /* extra bits table to use */ + int end; /* use base and extra for symbol > end */ + unsigned short count[MAXBITS+1]; /* number of codes of each length */ + unsigned short offs[MAXBITS+1]; /* offsets in table for each length */ + static const unsigned short lbase[31] = { /* Length codes 257..285 base */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, + 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, + 131, 163, 195, 227, 3, 0, 0}; + static const unsigned short lext[31] = { /* Length codes 257..285 extra */ + 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129, + 130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132, + 133, 133, 133, 133, 144, 194, 65}; + static const unsigned short dbase[32] = { /* Distance codes 0..31 base */ + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, + 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, + 4097, 6145, 8193, 12289, 16385, 24577, 32769, 49153}; + static const unsigned short dext[32] = { /* Distance codes 0..31 extra */ + 128, 128, 128, 128, 129, 129, 130, 130, 131, 131, 132, 132, + 133, 133, 134, 134, 135, 135, 136, 136, 137, 137, 138, 138, + 139, 139, 140, 140, 141, 141, 142, 142}; + + /* + Process a set of code lengths to create a canonical Huffman code. The + code lengths are lens[0..codes-1]. Each length corresponds to the + symbols 0..codes-1. The Huffman code is generated by first sorting the + symbols by length from short to long, and retaining the symbol order + for codes with equal lengths. Then the code starts with all zero bits + for the first code of the shortest length, and the codes are integer + increments for the same length, and zeros are appended as the length + increases. For the deflate format, these bits are stored backwards + from their more natural integer increment ordering, and so when the + decoding tables are built in the large loop below, the integer codes + are incremented backwards. + + This routine assumes, but does not check, that all of the entries in + lens[] are in the range 0..MAXBITS. The caller must assure this. + 1..MAXBITS is interpreted as that code length. zero means that that + symbol does not occur in this code. + + The codes are sorted by computing a count of codes for each length, + creating from that a table of starting indices for each length in the + sorted table, and then entering the symbols in order in the sorted + table. The sorted table is work[], with that space being provided by + the caller. + + The length counts are used for other purposes as well, i.e. finding + the minimum and maximum length codes, determining if there are any + codes at all, checking for a valid set of lengths, and looking ahead + at length counts to determine sub-table sizes when building the + decoding tables. + */ + + /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ + for (len = 0; len <= MAXBITS; len++) + count[len] = 0; + for (sym = 0; sym < codes; sym++) + count[lens[sym]]++; + + /* bound code lengths, force root to be within code lengths */ + root = *bits; + for (max = MAXBITS; max >= 1; max--) + if (count[max] != 0) break; + if (root > max) root = max; + if (max == 0) return -1; /* no codes! */ + for (min = 1; min <= MAXBITS; min++) + if (count[min] != 0) break; + if (root < min) root = min; + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; + left -= count[len]; + if (left < 0) return -1; /* over-subscribed */ + } + if (left > 0 && (type == CODES || max != 1)) + return -1; /* incomplete set */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + count[len]; + + /* sort symbols by length, by symbol order within each length */ + for (sym = 0; sym < codes; sym++) + if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; + + /* + Create and fill in decoding tables. In this loop, the table being + filled is at next and has curr index bits. The code being used is huff + with length len. That code is converted to an index by dropping drop + bits off of the bottom. For codes where len is less than drop + curr, + those top drop + curr - len bits are incremented through all values to + fill the table with replicated entries. + + root is the number of index bits for the root table. When len exceeds + root, sub-tables are created pointed to by the root entry with an index + of the low root bits of huff. This is saved in low to check for when a + new sub-table should be started. drop is zero when the root table is + being filled, and drop is root when sub-tables are being filled. + + When a new sub-table is needed, it is necessary to look ahead in the + code lengths to determine what size sub-table is needed. The length + counts are used for this, and so count[] is decremented as codes are + entered in the tables. + + used keeps track of how many table entries have been allocated from the + provided *table space. It is checked for LENS and DIST tables against + the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in + the initial root table size constants. See the comments in inftree9.h + for more information. + + sym increments through all symbols, and the loop terminates when + all codes of length max, i.e. all codes, have been processed. This + routine permits incomplete codes, so another loop after this one fills + in the rest of the decoding tables with invalid code markers. + */ + + /* set up for code type */ + switch (type) { + case CODES: + base = extra = work; /* dummy value--not used */ + end = 19; + break; + case LENS: + base = lbase; + base -= 257; + extra = lext; + extra -= 257; + end = 256; + break; + default: /* DISTS */ + base = dbase; + extra = dext; + end = -1; + } + + /* initialize state for loop */ + huff = 0; /* starting code */ + sym = 0; /* starting code symbol */ + len = min; /* starting code length */ + next = *table; /* current table to fill in */ + curr = root; /* current table index bits */ + drop = 0; /* current bits to drop from code for index */ + low = (unsigned)(-1); /* trigger new sub-table when len > root */ + used = 1U << root; /* use root table entries */ + mask = used - 1; /* mask for comparing low */ + + /* check available table space */ + if ((type == LENS && used >= ENOUGH_LENS) || + (type == DISTS && used >= ENOUGH_DISTS)) + return 1; + + /* process all codes and make table entries */ + for (;;) { + /* create table entry */ + this.bits = (unsigned char)(len - drop); + if ((int)(work[sym]) < end) { + this.op = (unsigned char)0; + this.val = work[sym]; + } + else if ((int)(work[sym]) > end) { + this.op = (unsigned char)(extra[work[sym]]); + this.val = base[work[sym]]; + } + else { + this.op = (unsigned char)(32 + 64); /* end of block */ + this.val = 0; + } + + /* replicate for those indices with low len bits equal to huff */ + incr = 1U << (len - drop); + fill = 1U << curr; + do { + fill -= incr; + next[(huff >> drop) + fill] = this; + } while (fill != 0); + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + + /* go to next symbol, update count, len */ + sym++; + if (--(count[len]) == 0) { + if (len == max) break; + len = lens[work[sym]]; + } + + /* create new sub-table if needed */ + if (len > root && (huff & mask) != low) { + /* if first time, transition to sub-tables */ + if (drop == 0) + drop = root; + + /* increment past last table */ + next += 1U << curr; + + /* determine length of next table */ + curr = len - drop; + left = (int)(1 << curr); + while (curr + drop < max) { + left -= count[curr + drop]; + if (left <= 0) break; + curr++; + left <<= 1; + } + + /* check for enough space */ + used += 1U << curr; + if ((type == LENS && used >= ENOUGH_LENS) || + (type == DISTS && used >= ENOUGH_DISTS)) + return 1; + + /* point entry in root table to sub-table */ + low = huff & mask; + (*table)[low].op = (unsigned char)curr; + (*table)[low].bits = (unsigned char)root; + (*table)[low].val = (unsigned short)(next - *table); + } + } + + /* + Fill in rest of table for incomplete codes. This loop is similar to the + loop above in incrementing huff for table indices. It is assumed that + len is equal to curr + drop, so there is no loop needed to increment + through high index bits. When the current sub-table is filled, the loop + drops back to the root table to fill in any remaining entries there. + */ + this.op = (unsigned char)64; /* invalid code marker */ + this.bits = (unsigned char)(len - drop); + this.val = (unsigned short)0; + while (huff != 0) { + /* when done with sub-table, drop back to root table */ + if (drop != 0 && (huff & mask) != low) { + drop = 0; + len = root; + next = *table; + curr = root; + this.bits = (unsigned char)len; + } + + /* put invalid code marker in table */ + next[huff >> drop] = this; + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + } + + /* set return parameters */ + *table += used; + *bits = root; + return 0; +} diff --git a/contrib/infback9/inftree9.h b/contrib/infback9/inftree9.h new file mode 100644 index 0000000..3b39497 --- /dev/null +++ b/contrib/infback9/inftree9.h @@ -0,0 +1,61 @@ +/* inftree9.h -- header to use inftree9.c + * Copyright (C) 1995-2008 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Structure for decoding tables. Each entry provides either the + information needed to do the operation requested by the code that + indexed that table entry, or it provides a pointer to another + table that indexes more bits of the code. op indicates whether + the entry is a pointer to another table, a literal, a length or + distance, an end-of-block, or an invalid code. For a table + pointer, the low four bits of op is the number of index bits of + that table. For a length or distance, the low four bits of op + is the number of extra bits to get after the code. bits is + the number of bits in this code or part of the code to drop off + of the bit buffer. val is the actual byte to output in the case + of a literal, the base length or distance, or the offset from + the current table to the next table. Each entry is four bytes. */ +typedef struct { + unsigned char op; /* operation, extra bits, table bits */ + unsigned char bits; /* bits in this part of the code */ + unsigned short val; /* offset in table or code value */ +} code; + +/* op values as set by inflate_table(): + 00000000 - literal + 0000tttt - table link, tttt != 0 is the number of table index bits + 100eeeee - length or distance, eeee is the number of extra bits + 01100000 - end of block + 01000000 - invalid code + */ + +/* Maximum size of the dynamic table. The maximum number of code structures is + 1446, which is the sum of 852 for literal/length codes and 594 for distance + codes. These values were found by exhaustive searches using the program + examples/enough.c found in the zlib distribution. The arguments to that + program are the number of symbols, the initial root table size, and the + maximum bit length of a code. "enough 286 9 15" for literal/length codes + returns returns 852, and "enough 32 6 15" for distance codes returns 594. + The initial root table size (9 or 6) is found in the fifth argument of the + inflate_table() calls in infback9.c. If the root table size is changed, + then these maximum sizes would be need to be recalculated and updated. */ +#define ENOUGH_LENS 852 +#define ENOUGH_DISTS 594 +#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS) + +/* Type of code to build for inflate_table9() */ +typedef enum { + CODES, + LENS, + DISTS +} codetype; + +extern int inflate_table9 OF((codetype type, unsigned short FAR *lens, + unsigned codes, code FAR * FAR *table, + unsigned FAR *bits, unsigned short FAR *work)); diff --git a/contrib/iostream/test.cpp b/contrib/iostream/test.cpp new file mode 100644 index 0000000..7d265b3 --- /dev/null +++ b/contrib/iostream/test.cpp @@ -0,0 +1,24 @@ + +#include "zfstream.h" + +int main() { + + // Construct a stream object with this filebuffer. Anything sent + // to this stream will go to standard out. + gzofstream os( 1, ios::out ); + + // This text is getting compressed and sent to stdout. + // To prove this, run 'test | zcat'. + os << "Hello, Mommy" << endl; + + os << setcompressionlevel( Z_NO_COMPRESSION ); + os << "hello, hello, hi, ho!" << endl; + + setcompressionlevel( os, Z_DEFAULT_COMPRESSION ) + << "I'm compressing again" << endl; + + os.close(); + + return 0; + +} diff --git a/contrib/iostream/zfstream.cpp b/contrib/iostream/zfstream.cpp new file mode 100644 index 0000000..d0cd85f --- /dev/null +++ b/contrib/iostream/zfstream.cpp @@ -0,0 +1,329 @@ + +#include "zfstream.h" + +gzfilebuf::gzfilebuf() : + file(NULL), + mode(0), + own_file_descriptor(0) +{ } + +gzfilebuf::~gzfilebuf() { + + sync(); + if ( own_file_descriptor ) + close(); + +} + +gzfilebuf *gzfilebuf::open( const char *name, + int io_mode ) { + + if ( is_open() ) + return NULL; + + char char_mode[10]; + char *p = char_mode; + + if ( io_mode & ios::in ) { + mode = ios::in; + *p++ = 'r'; + } else if ( io_mode & ios::app ) { + mode = ios::app; + *p++ = 'a'; + } else { + mode = ios::out; + *p++ = 'w'; + } + + if ( io_mode & ios::binary ) { + mode |= ios::binary; + *p++ = 'b'; + } + + // Hard code the compression level + if ( io_mode & (ios::out|ios::app )) { + *p++ = '9'; + } + + // Put the end-of-string indicator + *p = '\0'; + + if ( (file = gzopen(name, char_mode)) == NULL ) + return NULL; + + own_file_descriptor = 1; + + return this; + +} + +gzfilebuf *gzfilebuf::attach( int file_descriptor, + int io_mode ) { + + if ( is_open() ) + return NULL; + + char char_mode[10]; + char *p = char_mode; + + if ( io_mode & ios::in ) { + mode = ios::in; + *p++ = 'r'; + } else if ( io_mode & ios::app ) { + mode = ios::app; + *p++ = 'a'; + } else { + mode = ios::out; + *p++ = 'w'; + } + + if ( io_mode & ios::binary ) { + mode |= ios::binary; + *p++ = 'b'; + } + + // Hard code the compression level + if ( io_mode & (ios::out|ios::app )) { + *p++ = '9'; + } + + // Put the end-of-string indicator + *p = '\0'; + + if ( (file = gzdopen(file_descriptor, char_mode)) == NULL ) + return NULL; + + own_file_descriptor = 0; + + return this; + +} + +gzfilebuf *gzfilebuf::close() { + + if ( is_open() ) { + + sync(); + gzclose( file ); + file = NULL; + + } + + return this; + +} + +int gzfilebuf::setcompressionlevel( int comp_level ) { + + return gzsetparams(file, comp_level, -2); + +} + +int gzfilebuf::setcompressionstrategy( int comp_strategy ) { + + return gzsetparams(file, -2, comp_strategy); + +} + + +streampos gzfilebuf::seekoff( streamoff off, ios::seek_dir dir, int which ) { + + return streampos(EOF); + +} + +int gzfilebuf::underflow() { + + // If the file hasn't been opened for reading, error. + if ( !is_open() || !(mode & ios::in) ) + return EOF; + + // if a buffer doesn't exists, allocate one. + if ( !base() ) { + + if ( (allocate()) == EOF ) + return EOF; + setp(0,0); + + } else { + + if ( in_avail() ) + return (unsigned char) *gptr(); + + if ( out_waiting() ) { + if ( flushbuf() == EOF ) + return EOF; + } + + } + + // Attempt to fill the buffer. + + int result = fillbuf(); + if ( result == EOF ) { + // disable get area + setg(0,0,0); + return EOF; + } + + return (unsigned char) *gptr(); + +} + +int gzfilebuf::overflow( int c ) { + + if ( !is_open() || !(mode & ios::out) ) + return EOF; + + if ( !base() ) { + if ( allocate() == EOF ) + return EOF; + setg(0,0,0); + } else { + if (in_avail()) { + return EOF; + } + if (out_waiting()) { + if (flushbuf() == EOF) + return EOF; + } + } + + int bl = blen(); + setp( base(), base() + bl); + + if ( c != EOF ) { + + *pptr() = c; + pbump(1); + + } + + return 0; + +} + +int gzfilebuf::sync() { + + if ( !is_open() ) + return EOF; + + if ( out_waiting() ) + return flushbuf(); + + return 0; + +} + +int gzfilebuf::flushbuf() { + + int n; + char *q; + + q = pbase(); + n = pptr() - q; + + if ( gzwrite( file, q, n) < n ) + return EOF; + + setp(0,0); + + return 0; + +} + +int gzfilebuf::fillbuf() { + + int required; + char *p; + + p = base(); + + required = blen(); + + int t = gzread( file, p, required ); + + if ( t <= 0) return EOF; + + setg( base(), base(), base()+t); + + return t; + +} + +gzfilestream_common::gzfilestream_common() : + ios( gzfilestream_common::rdbuf() ) +{ } + +gzfilestream_common::~gzfilestream_common() +{ } + +void gzfilestream_common::attach( int fd, int io_mode ) { + + if ( !buffer.attach( fd, io_mode) ) + clear( ios::failbit | ios::badbit ); + else + clear(); + +} + +void gzfilestream_common::open( const char *name, int io_mode ) { + + if ( !buffer.open( name, io_mode ) ) + clear( ios::failbit | ios::badbit ); + else + clear(); + +} + +void gzfilestream_common::close() { + + if ( !buffer.close() ) + clear( ios::failbit | ios::badbit ); + +} + +gzfilebuf *gzfilestream_common::rdbuf() +{ + return &buffer; +} + +gzifstream::gzifstream() : + ios( gzfilestream_common::rdbuf() ) +{ + clear( ios::badbit ); +} + +gzifstream::gzifstream( const char *name, int io_mode ) : + ios( gzfilestream_common::rdbuf() ) +{ + gzfilestream_common::open( name, io_mode ); +} + +gzifstream::gzifstream( int fd, int io_mode ) : + ios( gzfilestream_common::rdbuf() ) +{ + gzfilestream_common::attach( fd, io_mode ); +} + +gzifstream::~gzifstream() { } + +gzofstream::gzofstream() : + ios( gzfilestream_common::rdbuf() ) +{ + clear( ios::badbit ); +} + +gzofstream::gzofstream( const char *name, int io_mode ) : + ios( gzfilestream_common::rdbuf() ) +{ + gzfilestream_common::open( name, io_mode ); +} + +gzofstream::gzofstream( int fd, int io_mode ) : + ios( gzfilestream_common::rdbuf() ) +{ + gzfilestream_common::attach( fd, io_mode ); +} + +gzofstream::~gzofstream() { } diff --git a/contrib/iostream/zfstream.h b/contrib/iostream/zfstream.h new file mode 100644 index 0000000..ed79098 --- /dev/null +++ b/contrib/iostream/zfstream.h @@ -0,0 +1,128 @@ + +#ifndef zfstream_h +#define zfstream_h + +#include +#include "zlib.h" + +class gzfilebuf : public streambuf { + +public: + + gzfilebuf( ); + virtual ~gzfilebuf(); + + gzfilebuf *open( const char *name, int io_mode ); + gzfilebuf *attach( int file_descriptor, int io_mode ); + gzfilebuf *close(); + + int setcompressionlevel( int comp_level ); + int setcompressionstrategy( int comp_strategy ); + + inline int is_open() const { return (file !=NULL); } + + virtual streampos seekoff( streamoff, ios::seek_dir, int ); + + virtual int sync(); + +protected: + + virtual int underflow(); + virtual int overflow( int = EOF ); + +private: + + gzFile file; + short mode; + short own_file_descriptor; + + int flushbuf(); + int fillbuf(); + +}; + +class gzfilestream_common : virtual public ios { + + friend class gzifstream; + friend class gzofstream; + friend gzofstream &setcompressionlevel( gzofstream &, int ); + friend gzofstream &setcompressionstrategy( gzofstream &, int ); + +public: + virtual ~gzfilestream_common(); + + void attach( int fd, int io_mode ); + void open( const char *name, int io_mode ); + void close(); + +protected: + gzfilestream_common(); + +private: + gzfilebuf *rdbuf(); + + gzfilebuf buffer; + +}; + +class gzifstream : public gzfilestream_common, public istream { + +public: + + gzifstream(); + gzifstream( const char *name, int io_mode = ios::in ); + gzifstream( int fd, int io_mode = ios::in ); + + virtual ~gzifstream(); + +}; + +class gzofstream : public gzfilestream_common, public ostream { + +public: + + gzofstream(); + gzofstream( const char *name, int io_mode = ios::out ); + gzofstream( int fd, int io_mode = ios::out ); + + virtual ~gzofstream(); + +}; + +template class gzomanip { + friend gzofstream &operator<<(gzofstream &, const gzomanip &); +public: + gzomanip(gzofstream &(*f)(gzofstream &, T), T v) : func(f), val(v) { } +private: + gzofstream &(*func)(gzofstream &, T); + T val; +}; + +template gzofstream &operator<<(gzofstream &s, const gzomanip &m) +{ + return (*m.func)(s, m.val); +} + +inline gzofstream &setcompressionlevel( gzofstream &s, int l ) +{ + (s.rdbuf())->setcompressionlevel(l); + return s; +} + +inline gzofstream &setcompressionstrategy( gzofstream &s, int l ) +{ + (s.rdbuf())->setcompressionstrategy(l); + return s; +} + +inline gzomanip setcompressionlevel(int l) +{ + return gzomanip(&setcompressionlevel,l); +} + +inline gzomanip setcompressionstrategy(int l) +{ + return gzomanip(&setcompressionstrategy,l); +} + +#endif diff --git a/contrib/iostream2/zstream.h b/contrib/iostream2/zstream.h new file mode 100644 index 0000000..43d2332 --- /dev/null +++ b/contrib/iostream2/zstream.h @@ -0,0 +1,307 @@ +/* + * + * Copyright (c) 1997 + * Christian Michelsen Research AS + * Advanced Computing + * Fantoftvegen 38, 5036 BERGEN, Norway + * http://www.cmr.no + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Christian Michelsen Research AS makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + */ + +#ifndef ZSTREAM__H +#define ZSTREAM__H + +/* + * zstream.h - C++ interface to the 'zlib' general purpose compression library + * $Id: zstream.h 1.1 1997-06-25 12:00:56+02 tyge Exp tyge $ + */ + +#include +#include +#include +#include "zlib.h" + +#if defined(_WIN32) +# include +# include +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +class zstringlen { +public: + zstringlen(class izstream&); + zstringlen(class ozstream&, const char*); + size_t value() const { return val.word; } +private: + struct Val { unsigned char byte; size_t word; } val; +}; + +// ----------------------------- izstream ----------------------------- + +class izstream +{ + public: + izstream() : m_fp(0) {} + izstream(FILE* fp) : m_fp(0) { open(fp); } + izstream(const char* name) : m_fp(0) { open(name); } + ~izstream() { close(); } + + /* Opens a gzip (.gz) file for reading. + * open() can be used to read a file which is not in gzip format; + * in this case read() will directly read from the file without + * decompression. errno can be checked to distinguish two error + * cases (if errno is zero, the zlib error is Z_MEM_ERROR). + */ + void open(const char* name) { + if (m_fp) close(); + m_fp = ::gzopen(name, "rb"); + } + + void open(FILE* fp) { + SET_BINARY_MODE(fp); + if (m_fp) close(); + m_fp = ::gzdopen(fileno(fp), "rb"); + } + + /* Flushes all pending input if necessary, closes the compressed file + * and deallocates all the (de)compression state. The return value is + * the zlib error number (see function error() below). + */ + int close() { + int r = ::gzclose(m_fp); + m_fp = 0; return r; + } + + /* Binary read the given number of bytes from the compressed file. + */ + int read(void* buf, size_t len) { + return ::gzread(m_fp, buf, len); + } + + /* Returns the error message for the last error which occurred on the + * given compressed file. errnum is set to zlib error number. If an + * error occurred in the file system and not in the compression library, + * errnum is set to Z_ERRNO and the application may consult errno + * to get the exact error code. + */ + const char* error(int* errnum) { + return ::gzerror(m_fp, errnum); + } + + gzFile fp() { return m_fp; } + + private: + gzFile m_fp; +}; + +/* + * Binary read the given (array of) object(s) from the compressed file. + * If the input file was not in gzip format, read() copies the objects number + * of bytes into the buffer. + * returns the number of uncompressed bytes actually read + * (0 for end of file, -1 for error). + */ +template +inline int read(izstream& zs, T* x, Items items) { + return ::gzread(zs.fp(), x, items*sizeof(T)); +} + +/* + * Binary input with the '>' operator. + */ +template +inline izstream& operator>(izstream& zs, T& x) { + ::gzread(zs.fp(), &x, sizeof(T)); + return zs; +} + + +inline zstringlen::zstringlen(izstream& zs) { + zs > val.byte; + if (val.byte == 255) zs > val.word; + else val.word = val.byte; +} + +/* + * Read length of string + the string with the '>' operator. + */ +inline izstream& operator>(izstream& zs, char* x) { + zstringlen len(zs); + ::gzread(zs.fp(), x, len.value()); + x[len.value()] = '\0'; + return zs; +} + +inline char* read_string(izstream& zs) { + zstringlen len(zs); + char* x = new char[len.value()+1]; + ::gzread(zs.fp(), x, len.value()); + x[len.value()] = '\0'; + return x; +} + +// ----------------------------- ozstream ----------------------------- + +class ozstream +{ + public: + ozstream() : m_fp(0), m_os(0) { + } + ozstream(FILE* fp, int level = Z_DEFAULT_COMPRESSION) + : m_fp(0), m_os(0) { + open(fp, level); + } + ozstream(const char* name, int level = Z_DEFAULT_COMPRESSION) + : m_fp(0), m_os(0) { + open(name, level); + } + ~ozstream() { + close(); + } + + /* Opens a gzip (.gz) file for writing. + * The compression level parameter should be in 0..9 + * errno can be checked to distinguish two error cases + * (if errno is zero, the zlib error is Z_MEM_ERROR). + */ + void open(const char* name, int level = Z_DEFAULT_COMPRESSION) { + char mode[4] = "wb\0"; + if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level; + if (m_fp) close(); + m_fp = ::gzopen(name, mode); + } + + /* open from a FILE pointer. + */ + void open(FILE* fp, int level = Z_DEFAULT_COMPRESSION) { + SET_BINARY_MODE(fp); + char mode[4] = "wb\0"; + if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level; + if (m_fp) close(); + m_fp = ::gzdopen(fileno(fp), mode); + } + + /* Flushes all pending output if necessary, closes the compressed file + * and deallocates all the (de)compression state. The return value is + * the zlib error number (see function error() below). + */ + int close() { + if (m_os) { + ::gzwrite(m_fp, m_os->str(), m_os->pcount()); + delete[] m_os->str(); delete m_os; m_os = 0; + } + int r = ::gzclose(m_fp); m_fp = 0; return r; + } + + /* Binary write the given number of bytes into the compressed file. + */ + int write(const void* buf, size_t len) { + return ::gzwrite(m_fp, (voidp) buf, len); + } + + /* Flushes all pending output into the compressed file. The parameter + * _flush is as in the deflate() function. The return value is the zlib + * error number (see function gzerror below). flush() returns Z_OK if + * the flush_ parameter is Z_FINISH and all output could be flushed. + * flush() should be called only when strictly necessary because it can + * degrade compression. + */ + int flush(int _flush) { + os_flush(); + return ::gzflush(m_fp, _flush); + } + + /* Returns the error message for the last error which occurred on the + * given compressed file. errnum is set to zlib error number. If an + * error occurred in the file system and not in the compression library, + * errnum is set to Z_ERRNO and the application may consult errno + * to get the exact error code. + */ + const char* error(int* errnum) { + return ::gzerror(m_fp, errnum); + } + + gzFile fp() { return m_fp; } + + ostream& os() { + if (m_os == 0) m_os = new ostrstream; + return *m_os; + } + + void os_flush() { + if (m_os && m_os->pcount()>0) { + ostrstream* oss = new ostrstream; + oss->fill(m_os->fill()); + oss->flags(m_os->flags()); + oss->precision(m_os->precision()); + oss->width(m_os->width()); + ::gzwrite(m_fp, m_os->str(), m_os->pcount()); + delete[] m_os->str(); delete m_os; m_os = oss; + } + } + + private: + gzFile m_fp; + ostrstream* m_os; +}; + +/* + * Binary write the given (array of) object(s) into the compressed file. + * returns the number of uncompressed bytes actually written + * (0 in case of error). + */ +template +inline int write(ozstream& zs, const T* x, Items items) { + return ::gzwrite(zs.fp(), (voidp) x, items*sizeof(T)); +} + +/* + * Binary output with the '<' operator. + */ +template +inline ozstream& operator<(ozstream& zs, const T& x) { + ::gzwrite(zs.fp(), (voidp) &x, sizeof(T)); + return zs; +} + +inline zstringlen::zstringlen(ozstream& zs, const char* x) { + val.byte = 255; val.word = ::strlen(x); + if (val.word < 255) zs < (val.byte = val.word); + else zs < val; +} + +/* + * Write length of string + the string with the '<' operator. + */ +inline ozstream& operator<(ozstream& zs, const char* x) { + zstringlen len(zs, x); + ::gzwrite(zs.fp(), (voidp) x, len.value()); + return zs; +} + +#ifdef _MSC_VER +inline ozstream& operator<(ozstream& zs, char* const& x) { + return zs < (const char*) x; +} +#endif + +/* + * Ascii write with the << operator; + */ +template +inline ostream& operator<<(ozstream& zs, const T& x) { + zs.os_flush(); + return zs.os() << x; +} + +#endif diff --git a/contrib/iostream2/zstream_test.cpp b/contrib/iostream2/zstream_test.cpp new file mode 100644 index 0000000..6273f62 --- /dev/null +++ b/contrib/iostream2/zstream_test.cpp @@ -0,0 +1,25 @@ +#include "zstream.h" +#include +#include +#include + +void main() { + char h[256] = "Hello"; + char* g = "Goodbye"; + ozstream out("temp.gz"); + out < "This works well" < h < g; + out.close(); + + izstream in("temp.gz"); // read it back + char *x = read_string(in), *y = new char[256], z[256]; + in > y > z; + in.close(); + cout << x << endl << y << endl << z << endl; + + out.open("temp.gz"); // try ascii output; zcat temp.gz to see the results + out << setw(50) << setfill('#') << setprecision(20) << x << endl << y << endl << z << endl; + out << z << endl << y << endl << x << endl; + out << 1.1234567890123456789 << endl; + + delete[] x; delete[] y; +} diff --git a/contrib/iostream3/README b/contrib/iostream3/README new file mode 100644 index 0000000..f7b319a --- /dev/null +++ b/contrib/iostream3/README @@ -0,0 +1,35 @@ +These classes provide a C++ stream interface to the zlib library. It allows you +to do things like: + + gzofstream outf("blah.gz"); + outf << "These go into the gzip file " << 123 << endl; + +It does this by deriving a specialized stream buffer for gzipped files, which is +the way Stroustrup would have done it. :-> + +The gzifstream and gzofstream classes were originally written by Kevin Ruland +and made available in the zlib contrib/iostream directory. The older version still +compiles under gcc 2.xx, but not under gcc 3.xx, which sparked the development of +this version. + +The new classes are as standard-compliant as possible, closely following the +approach of the standard library's fstream classes. It compiles under gcc versions +3.2 and 3.3, but not under gcc 2.xx. This is mainly due to changes in the standard +library naming scheme. The new version of gzifstream/gzofstream/gzfilebuf differs +from the previous one in the following respects: +- added showmanyc +- added setbuf, with support for unbuffered output via setbuf(0,0) +- a few bug fixes of stream behavior +- gzipped output file opened with default compression level instead of maximum level +- setcompressionlevel()/strategy() members replaced by single setcompression() + +The code is provided "as is", with the permission to use, copy, modify, distribute +and sell it for any purpose without fee. + +Ludwig Schwardt + + +DSP Lab +Electrical & Electronic Engineering Department +University of Stellenbosch +South Africa diff --git a/contrib/iostream3/TODO b/contrib/iostream3/TODO new file mode 100644 index 0000000..7032f97 --- /dev/null +++ b/contrib/iostream3/TODO @@ -0,0 +1,17 @@ +Possible upgrades to gzfilebuf: + +- The ability to do putback (e.g. putbackfail) + +- The ability to seek (zlib supports this, but could be slow/tricky) + +- Simultaneous read/write access (does it make sense?) + +- Support for ios_base::ate open mode + +- Locale support? + +- Check public interface to see which calls give problems + (due to dependence on library internals) + +- Override operator<<(ostream&, gzfilebuf*) to allow direct copying + of stream buffer to stream ( i.e. os << is.rdbuf(); ) diff --git a/contrib/iostream3/test.cc b/contrib/iostream3/test.cc new file mode 100644 index 0000000..9423533 --- /dev/null +++ b/contrib/iostream3/test.cc @@ -0,0 +1,50 @@ +/* + * Test program for gzifstream and gzofstream + * + * by Ludwig Schwardt + * original version by Kevin Ruland + */ + +#include "zfstream.h" +#include // for cout + +int main() { + + gzofstream outf; + gzifstream inf; + char buf[80]; + + outf.open("test1.txt.gz"); + outf << "The quick brown fox sidestepped the lazy canine\n" + << 1.3 << "\nPlan " << 9 << std::endl; + outf.close(); + std::cout << "Wrote the following message to 'test1.txt.gz' (check with zcat or zless):\n" + << "The quick brown fox sidestepped the lazy canine\n" + << 1.3 << "\nPlan " << 9 << std::endl; + + std::cout << "\nReading 'test1.txt.gz' (buffered) produces:\n"; + inf.open("test1.txt.gz"); + while (inf.getline(buf,80,'\n')) { + std::cout << buf << "\t(" << inf.rdbuf()->in_avail() << " chars left in buffer)\n"; + } + inf.close(); + + outf.rdbuf()->pubsetbuf(0,0); + outf.open("test2.txt.gz"); + outf << setcompression(Z_NO_COMPRESSION) + << "The quick brown fox sidestepped the lazy canine\n" + << 1.3 << "\nPlan " << 9 << std::endl; + outf.close(); + std::cout << "\nWrote the same message to 'test2.txt.gz' in uncompressed form"; + + std::cout << "\nReading 'test2.txt.gz' (unbuffered) produces:\n"; + inf.rdbuf()->pubsetbuf(0,0); + inf.open("test2.txt.gz"); + while (inf.getline(buf,80,'\n')) { + std::cout << buf << "\t(" << inf.rdbuf()->in_avail() << " chars left in buffer)\n"; + } + inf.close(); + + return 0; + +} diff --git a/contrib/iostream3/zfstream.cc b/contrib/iostream3/zfstream.cc new file mode 100644 index 0000000..94eb933 --- /dev/null +++ b/contrib/iostream3/zfstream.cc @@ -0,0 +1,479 @@ +/* + * A C++ I/O streams interface to the zlib gz* functions + * + * by Ludwig Schwardt + * original version by Kevin Ruland + * + * This version is standard-compliant and compatible with gcc 3.x. + */ + +#include "zfstream.h" +#include // for strcpy, strcat, strlen (mode strings) +#include // for BUFSIZ + +// Internal buffer sizes (default and "unbuffered" versions) +#define BIGBUFSIZE BUFSIZ +#define SMALLBUFSIZE 1 + +/*****************************************************************************/ + +// Default constructor +gzfilebuf::gzfilebuf() +: file(NULL), io_mode(std::ios_base::openmode(0)), own_fd(false), + buffer(NULL), buffer_size(BIGBUFSIZE), own_buffer(true) +{ + // No buffers to start with + this->disable_buffer(); +} + +// Destructor +gzfilebuf::~gzfilebuf() +{ + // Sync output buffer and close only if responsible for file + // (i.e. attached streams should be left open at this stage) + this->sync(); + if (own_fd) + this->close(); + // Make sure internal buffer is deallocated + this->disable_buffer(); +} + +// Set compression level and strategy +int +gzfilebuf::setcompression(int comp_level, + int comp_strategy) +{ + return gzsetparams(file, comp_level, comp_strategy); +} + +// Open gzipped file +gzfilebuf* +gzfilebuf::open(const char *name, + std::ios_base::openmode mode) +{ + // Fail if file already open + if (this->is_open()) + return NULL; + // Don't support simultaneous read/write access (yet) + if ((mode & std::ios_base::in) && (mode & std::ios_base::out)) + return NULL; + + // Build mode string for gzopen and check it [27.8.1.3.2] + char char_mode[6] = "\0\0\0\0\0"; + if (!this->open_mode(mode, char_mode)) + return NULL; + + // Attempt to open file + if ((file = gzopen(name, char_mode)) == NULL) + return NULL; + + // On success, allocate internal buffer and set flags + this->enable_buffer(); + io_mode = mode; + own_fd = true; + return this; +} + +// Attach to gzipped file +gzfilebuf* +gzfilebuf::attach(int fd, + std::ios_base::openmode mode) +{ + // Fail if file already open + if (this->is_open()) + return NULL; + // Don't support simultaneous read/write access (yet) + if ((mode & std::ios_base::in) && (mode & std::ios_base::out)) + return NULL; + + // Build mode string for gzdopen and check it [27.8.1.3.2] + char char_mode[6] = "\0\0\0\0\0"; + if (!this->open_mode(mode, char_mode)) + return NULL; + + // Attempt to attach to file + if ((file = gzdopen(fd, char_mode)) == NULL) + return NULL; + + // On success, allocate internal buffer and set flags + this->enable_buffer(); + io_mode = mode; + own_fd = false; + return this; +} + +// Close gzipped file +gzfilebuf* +gzfilebuf::close() +{ + // Fail immediately if no file is open + if (!this->is_open()) + return NULL; + // Assume success + gzfilebuf* retval = this; + // Attempt to sync and close gzipped file + if (this->sync() == -1) + retval = NULL; + if (gzclose(file) < 0) + retval = NULL; + // File is now gone anyway (postcondition [27.8.1.3.8]) + file = NULL; + own_fd = false; + // Destroy internal buffer if it exists + this->disable_buffer(); + return retval; +} + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +// Convert int open mode to mode string +bool +gzfilebuf::open_mode(std::ios_base::openmode mode, + char* c_mode) const +{ + bool testb = mode & std::ios_base::binary; + bool testi = mode & std::ios_base::in; + bool testo = mode & std::ios_base::out; + bool testt = mode & std::ios_base::trunc; + bool testa = mode & std::ios_base::app; + + // Check for valid flag combinations - see [27.8.1.3.2] (Table 92) + // Original zfstream hardcoded the compression level to maximum here... + // Double the time for less than 1% size improvement seems + // excessive though - keeping it at the default level + // To change back, just append "9" to the next three mode strings + if (!testi && testo && !testt && !testa) + strcpy(c_mode, "w"); + if (!testi && testo && !testt && testa) + strcpy(c_mode, "a"); + if (!testi && testo && testt && !testa) + strcpy(c_mode, "w"); + if (testi && !testo && !testt && !testa) + strcpy(c_mode, "r"); + // No read/write mode yet +// if (testi && testo && !testt && !testa) +// strcpy(c_mode, "r+"); +// if (testi && testo && testt && !testa) +// strcpy(c_mode, "w+"); + + // Mode string should be empty for invalid combination of flags + if (strlen(c_mode) == 0) + return false; + if (testb) + strcat(c_mode, "b"); + return true; +} + +// Determine number of characters in internal get buffer +std::streamsize +gzfilebuf::showmanyc() +{ + // Calls to underflow will fail if file not opened for reading + if (!this->is_open() || !(io_mode & std::ios_base::in)) + return -1; + // Make sure get area is in use + if (this->gptr() && (this->gptr() < this->egptr())) + return std::streamsize(this->egptr() - this->gptr()); + else + return 0; +} + +// Fill get area from gzipped file +gzfilebuf::int_type +gzfilebuf::underflow() +{ + // If something is left in the get area by chance, return it + // (this shouldn't normally happen, as underflow is only supposed + // to be called when gptr >= egptr, but it serves as error check) + if (this->gptr() && (this->gptr() < this->egptr())) + return traits_type::to_int_type(*(this->gptr())); + + // If the file hasn't been opened for reading, produce error + if (!this->is_open() || !(io_mode & std::ios_base::in)) + return traits_type::eof(); + + // Attempt to fill internal buffer from gzipped file + // (buffer must be guaranteed to exist...) + int bytes_read = gzread(file, buffer, buffer_size); + // Indicates error or EOF + if (bytes_read <= 0) + { + // Reset get area + this->setg(buffer, buffer, buffer); + return traits_type::eof(); + } + // Make all bytes read from file available as get area + this->setg(buffer, buffer, buffer + bytes_read); + + // Return next character in get area + return traits_type::to_int_type(*(this->gptr())); +} + +// Write put area to gzipped file +gzfilebuf::int_type +gzfilebuf::overflow(int_type c) +{ + // Determine whether put area is in use + if (this->pbase()) + { + // Double-check pointer range + if (this->pptr() > this->epptr() || this->pptr() < this->pbase()) + return traits_type::eof(); + // Add extra character to buffer if not EOF + if (!traits_type::eq_int_type(c, traits_type::eof())) + { + *(this->pptr()) = traits_type::to_char_type(c); + this->pbump(1); + } + // Number of characters to write to file + int bytes_to_write = this->pptr() - this->pbase(); + // Overflow doesn't fail if nothing is to be written + if (bytes_to_write > 0) + { + // If the file hasn't been opened for writing, produce error + if (!this->is_open() || !(io_mode & std::ios_base::out)) + return traits_type::eof(); + // If gzipped file won't accept all bytes written to it, fail + if (gzwrite(file, this->pbase(), bytes_to_write) != bytes_to_write) + return traits_type::eof(); + // Reset next pointer to point to pbase on success + this->pbump(-bytes_to_write); + } + } + // Write extra character to file if not EOF + else if (!traits_type::eq_int_type(c, traits_type::eof())) + { + // If the file hasn't been opened for writing, produce error + if (!this->is_open() || !(io_mode & std::ios_base::out)) + return traits_type::eof(); + // Impromptu char buffer (allows "unbuffered" output) + char_type last_char = traits_type::to_char_type(c); + // If gzipped file won't accept this character, fail + if (gzwrite(file, &last_char, 1) != 1) + return traits_type::eof(); + } + + // If you got here, you have succeeded (even if c was EOF) + // The return value should therefore be non-EOF + if (traits_type::eq_int_type(c, traits_type::eof())) + return traits_type::not_eof(c); + else + return c; +} + +// Assign new buffer +std::streambuf* +gzfilebuf::setbuf(char_type* p, + std::streamsize n) +{ + // First make sure stuff is sync'ed, for safety + if (this->sync() == -1) + return NULL; + // If buffering is turned off on purpose via setbuf(0,0), still allocate one... + // "Unbuffered" only really refers to put [27.8.1.4.10], while get needs at + // least a buffer of size 1 (very inefficient though, therefore make it bigger?) + // This follows from [27.5.2.4.3]/12 (gptr needs to point at something, it seems) + if (!p || !n) + { + // Replace existing buffer (if any) with small internal buffer + this->disable_buffer(); + buffer = NULL; + buffer_size = 0; + own_buffer = true; + this->enable_buffer(); + } + else + { + // Replace existing buffer (if any) with external buffer + this->disable_buffer(); + buffer = p; + buffer_size = n; + own_buffer = false; + this->enable_buffer(); + } + return this; +} + +// Write put area to gzipped file (i.e. ensures that put area is empty) +int +gzfilebuf::sync() +{ + return traits_type::eq_int_type(this->overflow(), traits_type::eof()) ? -1 : 0; +} + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +// Allocate internal buffer +void +gzfilebuf::enable_buffer() +{ + // If internal buffer required, allocate one + if (own_buffer && !buffer) + { + // Check for buffered vs. "unbuffered" + if (buffer_size > 0) + { + // Allocate internal buffer + buffer = new char_type[buffer_size]; + // Get area starts empty and will be expanded by underflow as need arises + this->setg(buffer, buffer, buffer); + // Setup entire internal buffer as put area. + // The one-past-end pointer actually points to the last element of the buffer, + // so that overflow(c) can safely add the extra character c to the sequence. + // These pointers remain in place for the duration of the buffer + this->setp(buffer, buffer + buffer_size - 1); + } + else + { + // Even in "unbuffered" case, (small?) get buffer is still required + buffer_size = SMALLBUFSIZE; + buffer = new char_type[buffer_size]; + this->setg(buffer, buffer, buffer); + // "Unbuffered" means no put buffer + this->setp(0, 0); + } + } + else + { + // If buffer already allocated, reset buffer pointers just to make sure no + // stale chars are lying around + this->setg(buffer, buffer, buffer); + this->setp(buffer, buffer + buffer_size - 1); + } +} + +// Destroy internal buffer +void +gzfilebuf::disable_buffer() +{ + // If internal buffer exists, deallocate it + if (own_buffer && buffer) + { + // Preserve unbuffered status by zeroing size + if (!this->pbase()) + buffer_size = 0; + delete[] buffer; + buffer = NULL; + this->setg(0, 0, 0); + this->setp(0, 0); + } + else + { + // Reset buffer pointers to initial state if external buffer exists + this->setg(buffer, buffer, buffer); + if (buffer) + this->setp(buffer, buffer + buffer_size - 1); + else + this->setp(0, 0); + } +} + +/*****************************************************************************/ + +// Default constructor initializes stream buffer +gzifstream::gzifstream() +: std::istream(NULL), sb() +{ this->init(&sb); } + +// Initialize stream buffer and open file +gzifstream::gzifstream(const char* name, + std::ios_base::openmode mode) +: std::istream(NULL), sb() +{ + this->init(&sb); + this->open(name, mode); +} + +// Initialize stream buffer and attach to file +gzifstream::gzifstream(int fd, + std::ios_base::openmode mode) +: std::istream(NULL), sb() +{ + this->init(&sb); + this->attach(fd, mode); +} + +// Open file and go into fail() state if unsuccessful +void +gzifstream::open(const char* name, + std::ios_base::openmode mode) +{ + if (!sb.open(name, mode | std::ios_base::in)) + this->setstate(std::ios_base::failbit); + else + this->clear(); +} + +// Attach to file and go into fail() state if unsuccessful +void +gzifstream::attach(int fd, + std::ios_base::openmode mode) +{ + if (!sb.attach(fd, mode | std::ios_base::in)) + this->setstate(std::ios_base::failbit); + else + this->clear(); +} + +// Close file +void +gzifstream::close() +{ + if (!sb.close()) + this->setstate(std::ios_base::failbit); +} + +/*****************************************************************************/ + +// Default constructor initializes stream buffer +gzofstream::gzofstream() +: std::ostream(NULL), sb() +{ this->init(&sb); } + +// Initialize stream buffer and open file +gzofstream::gzofstream(const char* name, + std::ios_base::openmode mode) +: std::ostream(NULL), sb() +{ + this->init(&sb); + this->open(name, mode); +} + +// Initialize stream buffer and attach to file +gzofstream::gzofstream(int fd, + std::ios_base::openmode mode) +: std::ostream(NULL), sb() +{ + this->init(&sb); + this->attach(fd, mode); +} + +// Open file and go into fail() state if unsuccessful +void +gzofstream::open(const char* name, + std::ios_base::openmode mode) +{ + if (!sb.open(name, mode | std::ios_base::out)) + this->setstate(std::ios_base::failbit); + else + this->clear(); +} + +// Attach to file and go into fail() state if unsuccessful +void +gzofstream::attach(int fd, + std::ios_base::openmode mode) +{ + if (!sb.attach(fd, mode | std::ios_base::out)) + this->setstate(std::ios_base::failbit); + else + this->clear(); +} + +// Close file +void +gzofstream::close() +{ + if (!sb.close()) + this->setstate(std::ios_base::failbit); +} diff --git a/contrib/iostream3/zfstream.h b/contrib/iostream3/zfstream.h new file mode 100644 index 0000000..8574479 --- /dev/null +++ b/contrib/iostream3/zfstream.h @@ -0,0 +1,466 @@ +/* + * A C++ I/O streams interface to the zlib gz* functions + * + * by Ludwig Schwardt + * original version by Kevin Ruland + * + * This version is standard-compliant and compatible with gcc 3.x. + */ + +#ifndef ZFSTREAM_H +#define ZFSTREAM_H + +#include // not iostream, since we don't need cin/cout +#include +#include "zlib.h" + +/*****************************************************************************/ + +/** + * @brief Gzipped file stream buffer class. + * + * This class implements basic_filebuf for gzipped files. It doesn't yet support + * seeking (allowed by zlib but slow/limited), putback and read/write access + * (tricky). Otherwise, it attempts to be a drop-in replacement for the standard + * file streambuf. +*/ +class gzfilebuf : public std::streambuf +{ +public: + // Default constructor. + gzfilebuf(); + + // Destructor. + virtual + ~gzfilebuf(); + + /** + * @brief Set compression level and strategy on the fly. + * @param comp_level Compression level (see zlib.h for allowed values) + * @param comp_strategy Compression strategy (see zlib.h for allowed values) + * @return Z_OK on success, Z_STREAM_ERROR otherwise. + * + * Unfortunately, these parameters cannot be modified separately, as the + * previous zfstream version assumed. Since the strategy is seldom changed, + * it can default and setcompression(level) then becomes like the old + * setcompressionlevel(level). + */ + int + setcompression(int comp_level, + int comp_strategy = Z_DEFAULT_STRATEGY); + + /** + * @brief Check if file is open. + * @return True if file is open. + */ + bool + is_open() const { return (file != NULL); } + + /** + * @brief Open gzipped file. + * @param name File name. + * @param mode Open mode flags. + * @return @c this on success, NULL on failure. + */ + gzfilebuf* + open(const char* name, + std::ios_base::openmode mode); + + /** + * @brief Attach to already open gzipped file. + * @param fd File descriptor. + * @param mode Open mode flags. + * @return @c this on success, NULL on failure. + */ + gzfilebuf* + attach(int fd, + std::ios_base::openmode mode); + + /** + * @brief Close gzipped file. + * @return @c this on success, NULL on failure. + */ + gzfilebuf* + close(); + +protected: + /** + * @brief Convert ios open mode int to mode string used by zlib. + * @return True if valid mode flag combination. + */ + bool + open_mode(std::ios_base::openmode mode, + char* c_mode) const; + + /** + * @brief Number of characters available in stream buffer. + * @return Number of characters. + * + * This indicates number of characters in get area of stream buffer. + * These characters can be read without accessing the gzipped file. + */ + virtual std::streamsize + showmanyc(); + + /** + * @brief Fill get area from gzipped file. + * @return First character in get area on success, EOF on error. + * + * This actually reads characters from gzipped file to stream + * buffer. Always buffered. + */ + virtual int_type + underflow(); + + /** + * @brief Write put area to gzipped file. + * @param c Extra character to add to buffer contents. + * @return Non-EOF on success, EOF on error. + * + * This actually writes characters in stream buffer to + * gzipped file. With unbuffered output this is done one + * character at a time. + */ + virtual int_type + overflow(int_type c = traits_type::eof()); + + /** + * @brief Installs external stream buffer. + * @param p Pointer to char buffer. + * @param n Size of external buffer. + * @return @c this on success, NULL on failure. + * + * Call setbuf(0,0) to enable unbuffered output. + */ + virtual std::streambuf* + setbuf(char_type* p, + std::streamsize n); + + /** + * @brief Flush stream buffer to file. + * @return 0 on success, -1 on error. + * + * This calls underflow(EOF) to do the job. + */ + virtual int + sync(); + +// +// Some future enhancements +// +// virtual int_type uflow(); +// virtual int_type pbackfail(int_type c = traits_type::eof()); +// virtual pos_type +// seekoff(off_type off, +// std::ios_base::seekdir way, +// std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); +// virtual pos_type +// seekpos(pos_type sp, +// std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out); + +private: + /** + * @brief Allocate internal buffer. + * + * This function is safe to call multiple times. It will ensure + * that a proper internal buffer exists if it is required. If the + * buffer already exists or is external, the buffer pointers will be + * reset to their original state. + */ + void + enable_buffer(); + + /** + * @brief Destroy internal buffer. + * + * This function is safe to call multiple times. It will ensure + * that the internal buffer is deallocated if it exists. In any + * case, it will also reset the buffer pointers. + */ + void + disable_buffer(); + + /** + * Underlying file pointer. + */ + gzFile file; + + /** + * Mode in which file was opened. + */ + std::ios_base::openmode io_mode; + + /** + * @brief True if this object owns file descriptor. + * + * This makes the class responsible for closing the file + * upon destruction. + */ + bool own_fd; + + /** + * @brief Stream buffer. + * + * For simplicity this remains allocated on the free store for the + * entire life span of the gzfilebuf object, unless replaced by setbuf. + */ + char_type* buffer; + + /** + * @brief Stream buffer size. + * + * Defaults to system default buffer size (typically 8192 bytes). + * Modified by setbuf. + */ + std::streamsize buffer_size; + + /** + * @brief True if this object owns stream buffer. + * + * This makes the class responsible for deleting the buffer + * upon destruction. + */ + bool own_buffer; +}; + +/*****************************************************************************/ + +/** + * @brief Gzipped file input stream class. + * + * This class implements ifstream for gzipped files. Seeking and putback + * is not supported yet. +*/ +class gzifstream : public std::istream +{ +public: + // Default constructor + gzifstream(); + + /** + * @brief Construct stream on gzipped file to be opened. + * @param name File name. + * @param mode Open mode flags (forced to contain ios::in). + */ + explicit + gzifstream(const char* name, + std::ios_base::openmode mode = std::ios_base::in); + + /** + * @brief Construct stream on already open gzipped file. + * @param fd File descriptor. + * @param mode Open mode flags (forced to contain ios::in). + */ + explicit + gzifstream(int fd, + std::ios_base::openmode mode = std::ios_base::in); + + /** + * Obtain underlying stream buffer. + */ + gzfilebuf* + rdbuf() const + { return const_cast(&sb); } + + /** + * @brief Check if file is open. + * @return True if file is open. + */ + bool + is_open() { return sb.is_open(); } + + /** + * @brief Open gzipped file. + * @param name File name. + * @param mode Open mode flags (forced to contain ios::in). + * + * Stream will be in state good() if file opens successfully; + * otherwise in state fail(). This differs from the behavior of + * ifstream, which never sets the state to good() and therefore + * won't allow you to reuse the stream for a second file unless + * you manually clear() the state. The choice is a matter of + * convenience. + */ + void + open(const char* name, + std::ios_base::openmode mode = std::ios_base::in); + + /** + * @brief Attach to already open gzipped file. + * @param fd File descriptor. + * @param mode Open mode flags (forced to contain ios::in). + * + * Stream will be in state good() if attach succeeded; otherwise + * in state fail(). + */ + void + attach(int fd, + std::ios_base::openmode mode = std::ios_base::in); + + /** + * @brief Close gzipped file. + * + * Stream will be in state fail() if close failed. + */ + void + close(); + +private: + /** + * Underlying stream buffer. + */ + gzfilebuf sb; +}; + +/*****************************************************************************/ + +/** + * @brief Gzipped file output stream class. + * + * This class implements ofstream for gzipped files. Seeking and putback + * is not supported yet. +*/ +class gzofstream : public std::ostream +{ +public: + // Default constructor + gzofstream(); + + /** + * @brief Construct stream on gzipped file to be opened. + * @param name File name. + * @param mode Open mode flags (forced to contain ios::out). + */ + explicit + gzofstream(const char* name, + std::ios_base::openmode mode = std::ios_base::out); + + /** + * @brief Construct stream on already open gzipped file. + * @param fd File descriptor. + * @param mode Open mode flags (forced to contain ios::out). + */ + explicit + gzofstream(int fd, + std::ios_base::openmode mode = std::ios_base::out); + + /** + * Obtain underlying stream buffer. + */ + gzfilebuf* + rdbuf() const + { return const_cast(&sb); } + + /** + * @brief Check if file is open. + * @return True if file is open. + */ + bool + is_open() { return sb.is_open(); } + + /** + * @brief Open gzipped file. + * @param name File name. + * @param mode Open mode flags (forced to contain ios::out). + * + * Stream will be in state good() if file opens successfully; + * otherwise in state fail(). This differs from the behavior of + * ofstream, which never sets the state to good() and therefore + * won't allow you to reuse the stream for a second file unless + * you manually clear() the state. The choice is a matter of + * convenience. + */ + void + open(const char* name, + std::ios_base::openmode mode = std::ios_base::out); + + /** + * @brief Attach to already open gzipped file. + * @param fd File descriptor. + * @param mode Open mode flags (forced to contain ios::out). + * + * Stream will be in state good() if attach succeeded; otherwise + * in state fail(). + */ + void + attach(int fd, + std::ios_base::openmode mode = std::ios_base::out); + + /** + * @brief Close gzipped file. + * + * Stream will be in state fail() if close failed. + */ + void + close(); + +private: + /** + * Underlying stream buffer. + */ + gzfilebuf sb; +}; + +/*****************************************************************************/ + +/** + * @brief Gzipped file output stream manipulator class. + * + * This class defines a two-argument manipulator for gzofstream. It is used + * as base for the setcompression(int,int) manipulator. +*/ +template + class gzomanip2 + { + public: + // Allows insertor to peek at internals + template + friend gzofstream& + operator<<(gzofstream&, + const gzomanip2&); + + // Constructor + gzomanip2(gzofstream& (*f)(gzofstream&, T1, T2), + T1 v1, + T2 v2); + private: + // Underlying manipulator function + gzofstream& + (*func)(gzofstream&, T1, T2); + + // Arguments for manipulator function + T1 val1; + T2 val2; + }; + +/*****************************************************************************/ + +// Manipulator function thunks through to stream buffer +inline gzofstream& +setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY) +{ + (gzs.rdbuf())->setcompression(l, s); + return gzs; +} + +// Manipulator constructor stores arguments +template + inline + gzomanip2::gzomanip2(gzofstream &(*f)(gzofstream &, T1, T2), + T1 v1, + T2 v2) + : func(f), val1(v1), val2(v2) + { } + +// Insertor applies underlying manipulator function to stream +template + inline gzofstream& + operator<<(gzofstream& s, const gzomanip2& m) + { return (*m.func)(s, m.val1, m.val2); } + +// Insert this onto stream to simplify setting of compression level +inline gzomanip2 +setcompression(int l, int s = Z_DEFAULT_STRATEGY) +{ return gzomanip2(&setcompression, l, s); } + +#endif // ZFSTREAM_H diff --git a/contrib/minizip/Makefile b/contrib/minizip/Makefile new file mode 100644 index 0000000..aac76e0 --- /dev/null +++ b/contrib/minizip/Makefile @@ -0,0 +1,29 @@ +CC=cc +CFLAGS := $(CFLAGS) -O -I../.. + +UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a +ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a + +.c.o: + $(CC) -c $(CFLAGS) $*.c + +all: miniunz minizip + +miniunz: $(UNZ_OBJS) + $(CC) $(CFLAGS) -o $@ $(UNZ_OBJS) + +minizip: $(ZIP_OBJS) + $(CC) $(CFLAGS) -o $@ $(ZIP_OBJS) + +test: miniunz minizip + @rm -f test.* + @echo hello hello hello > test.txt + ./minizip test test.txt + ./miniunz -l test.zip + @mv test.txt test.old + ./miniunz test.zip + @cmp test.txt test.old + @rm -f test.* + +clean: + /bin/rm -f *.o *~ minizip miniunz test.* diff --git a/contrib/minizip/Makefile.am b/contrib/minizip/Makefile.am new file mode 100644 index 0000000..d343011 --- /dev/null +++ b/contrib/minizip/Makefile.am @@ -0,0 +1,45 @@ +lib_LTLIBRARIES = libminizip.la + +if COND_DEMOS +bin_PROGRAMS = miniunzip minizip +endif + +zlib_top_srcdir = $(top_srcdir)/../.. +zlib_top_builddir = $(top_builddir)/../.. + +AM_CPPFLAGS = -I$(zlib_top_srcdir) +AM_LDFLAGS = -L$(zlib_top_builddir) + +if WIN32 +iowin32_src = iowin32.c +iowin32_h = iowin32.h +endif + +libminizip_la_SOURCES = \ + ioapi.c \ + mztools.c \ + unzip.c \ + zip.c \ + ${iowin32_src} + +libminizip_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0 -lz + +minizip_includedir = $(includedir)/minizip +minizip_include_HEADERS = \ + crypt.h \ + ioapi.h \ + mztools.h \ + unzip.h \ + zip.h \ + ${iowin32_h} + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = minizip.pc + +EXTRA_PROGRAMS = miniunzip minizip + +miniunzip_SOURCES = miniunz.c +miniunzip_LDADD = libminizip.la + +minizip_SOURCES = minizip.c +minizip_LDADD = libminizip.la -lz diff --git a/contrib/minizip/MiniZip64_Changes.txt b/contrib/minizip/MiniZip64_Changes.txt new file mode 100644 index 0000000..13a1bd9 --- /dev/null +++ b/contrib/minizip/MiniZip64_Changes.txt @@ -0,0 +1,6 @@ + +MiniZip 1.1 was derrived from MiniZip at version 1.01f + +Change in 1.0 (Okt 2009) + - **TODO - Add history** + diff --git a/contrib/minizip/MiniZip64_info.txt b/contrib/minizip/MiniZip64_info.txt new file mode 100644 index 0000000..57d7152 --- /dev/null +++ b/contrib/minizip/MiniZip64_info.txt @@ -0,0 +1,74 @@ +MiniZip - Copyright (c) 1998-2010 - by Gilles Vollant - version 1.1 64 bits from Mathias Svensson + +Introduction +--------------------- +MiniZip 1.1 is built from MiniZip 1.0 by Gilles Vollant ( http://www.winimage.com/zLibDll/minizip.html ) + +When adding ZIP64 support into minizip it would result into risk of breaking compatibility with minizip 1.0. +All possible work was done for compatibility. + + +Background +--------------------- +When adding ZIP64 support Mathias Svensson found that Even Rouault have added ZIP64 +support for unzip.c into minizip for a open source project called gdal ( http://www.gdal.org/ ) + +That was used as a starting point. And after that ZIP64 support was added to zip.c +some refactoring and code cleanup was also done. + + +Changed from MiniZip 1.0 to MiniZip 1.1 +--------------------------------------- +* Added ZIP64 support for unzip ( by Even Rouault ) +* Added ZIP64 support for zip ( by Mathias Svensson ) +* Reverted some changed that Even Rouault did. +* Bunch of patches received from Gulles Vollant that he received for MiniZip from various users. +* Added unzip patch for BZIP Compression method (patch create by Daniel Borca) +* Added BZIP Compress method for zip +* Did some refactoring and code cleanup + + +Credits + + Gilles Vollant - Original MiniZip author + Even Rouault - ZIP64 unzip Support + Daniel Borca - BZip Compression method support in unzip + Mathias Svensson - ZIP64 zip support + Mathias Svensson - BZip Compression method support in zip + + Resources + + ZipLayout http://result42.com/projects/ZipFileLayout + Command line tool for Windows that shows the layout and information of the headers in a zip archive. + Used when debugging and validating the creation of zip files using MiniZip64 + + + ZIP App Note http://www.pkware.com/documents/casestudies/APPNOTE.TXT + Zip File specification + + +Notes. + * To be able to use BZip compression method in zip64.c or unzip64.c the BZIP2 lib is needed and HAVE_BZIP2 need to be defined. + +License +---------------------------------------------------------- + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + +---------------------------------------------------------- + diff --git a/contrib/minizip/configure.ac b/contrib/minizip/configure.ac new file mode 100644 index 0000000..bff300b --- /dev/null +++ b/contrib/minizip/configure.ac @@ -0,0 +1,32 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_INIT([minizip], [1.2.13], [bugzilla.redhat.com]) +AC_CONFIG_SRCDIR([minizip.c]) +AM_INIT_AUTOMAKE([foreign]) +LT_INIT + +AC_MSG_CHECKING([whether to build example programs]) +AC_ARG_ENABLE([demos], AC_HELP_STRING([--enable-demos], [build example programs])) +AM_CONDITIONAL([COND_DEMOS], [test "$enable_demos" = yes]) +if test "$enable_demos" = yes +then + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi + +case "${host}" in + *-mingw* | mingw*) + WIN32="yes" + ;; + *) + ;; +esac +AM_CONDITIONAL([WIN32], [test "${WIN32}" = "yes"]) + + +AC_SUBST([HAVE_UNISTD_H], [0]) +AC_CHECK_HEADER([unistd.h], [HAVE_UNISTD_H=1], []) +AC_CONFIG_FILES([Makefile minizip.pc]) +AC_OUTPUT diff --git a/contrib/minizip/crypt.h b/contrib/minizip/crypt.h new file mode 100644 index 0000000..1cc41f1 --- /dev/null +++ b/contrib/minizip/crypt.h @@ -0,0 +1,132 @@ +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) +{ + unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an + * unpredictable manner on 16-bit systems; not a problem + * with any known compiler so far, though */ + + (void)pcrc_32_tab; + temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; + return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); +} + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c) +{ + (*(pkeys+0)) = CRC32((*(pkeys+0)), c); + (*(pkeys+1)) += (*(pkeys+0)) & 0xff; + (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; + { + register int keyshift = (int)((*(pkeys+1)) >> 24); + (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); + } + return c; +} + + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab) +{ + *(pkeys+0) = 305419896L; + *(pkeys+1) = 591751049L; + *(pkeys+2) = 878082192L; + while (*passwd != '\0') { + update_keys(pkeys,pcrc_32_tab,(int)*passwd); + passwd++; + } +} + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 + /* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +static unsigned crypthead(const char* passwd, /* password string */ + unsigned char* buf, /* where to write header */ + int bufSize, + unsigned long* pkeys, + const z_crc_t* pcrc_32_tab, + unsigned long crcForCrypting) +{ + unsigned n; /* index in random header */ + int t; /* temporary */ + int c; /* random byte */ + unsigned char header[RAND_HEAD_LEN-2]; /* random header */ + static unsigned calls = 0; /* ensure different random header each time */ + + if (bufSize> 7) & 0xff; + header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); + } + /* Encrypt random header (last two bytes is high word of crc) */ + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); + } + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); + return n; +} + +#endif diff --git a/contrib/minizip/ioapi.c b/contrib/minizip/ioapi.c new file mode 100644 index 0000000..814a6fd --- /dev/null +++ b/contrib/minizip/ioapi.c @@ -0,0 +1,257 @@ +/* ioapi.h -- IO base function header for compress/uncompress .zip + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + +*/ + +#if defined(_WIN32) && (!(defined(_CRT_SECURE_NO_WARNINGS))) + #define _CRT_SECURE_NO_WARNINGS +#endif + +#if defined(__APPLE__) || defined(IOAPI_NO_64) +// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions +#define FOPEN_FUNC(filename, mode) fopen(filename, mode) +#define FTELLO_FUNC(stream) ftello(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) +#else +#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) +#define FTELLO_FUNC(stream) ftello64(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) +#endif + + +#include "ioapi.h" + +voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode) +{ + if (pfilefunc->zfile_func64.zopen64_file != NULL) + return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode); + else + { + return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode); + } +} + +long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) +{ + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); + else + { + uLong offsetTruncated = (uLong)offset; + if (offsetTruncated != offset) + return -1; + else + return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin); + } +} + +ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream) +{ + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream); + else + { + uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream); + if ((tell_uLong) == MAXU32) + return (ZPOS64_T)-1; + else + return tell_uLong; + } +} + +void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32) +{ + p_filefunc64_32->zfile_func64.zopen64_file = NULL; + p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; + p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; + p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; + p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; + p_filefunc64_32->zfile_func64.ztell64_file = NULL; + p_filefunc64_32->zfile_func64.zseek64_file = NULL; + p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file; + p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; + p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; + p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; + p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; +} + + + +static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode)); +static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +static uLong ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size)); +static ZPOS64_T ZCALLBACK ftell64_file_func OF((voidpf opaque, voidpf stream)); +static long ZCALLBACK fseek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); +static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream)); +static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream)); + +static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode) +{ + FILE* file = NULL; + const char* mode_fopen = NULL; + (void)opaque; + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename!=NULL) && (mode_fopen != NULL)) + file = fopen(filename, mode_fopen); + return file; +} + +static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode) +{ + FILE* file = NULL; + const char* mode_fopen = NULL; + (void)opaque; + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename!=NULL) && (mode_fopen != NULL)) + file = FOPEN_FUNC((const char*)filename, mode_fopen); + return file; +} + + +static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size) +{ + uLong ret; + (void)opaque; + ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); + return ret; +} + +static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size) +{ + uLong ret; + (void)opaque; + ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); + return ret; +} + +static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream) +{ + long ret; + (void)opaque; + ret = ftell((FILE *)stream); + return ret; +} + + +static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream) +{ + ZPOS64_T ret; + (void)opaque; + ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream); + return ret; +} + +static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin) +{ + int fseek_origin=0; + long ret; + (void)opaque; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + fseek_origin = SEEK_CUR; + break; + case ZLIB_FILEFUNC_SEEK_END : + fseek_origin = SEEK_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + fseek_origin = SEEK_SET; + break; + default: return -1; + } + ret = 0; + if (fseek((FILE *)stream, (long)offset, fseek_origin) != 0) + ret = -1; + return ret; +} + +static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) +{ + int fseek_origin=0; + long ret; + (void)opaque; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + fseek_origin = SEEK_CUR; + break; + case ZLIB_FILEFUNC_SEEK_END : + fseek_origin = SEEK_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + fseek_origin = SEEK_SET; + break; + default: return -1; + } + ret = 0; + + if(FSEEKO_FUNC((FILE *)stream, (z_off_t)offset, fseek_origin) != 0) + ret = -1; + + return ret; +} + + +static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream) +{ + int ret; + (void)opaque; + ret = fclose((FILE *)stream); + return ret; +} + +static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream) +{ + int ret; + (void)opaque; + ret = ferror((FILE *)stream); + return ret; +} + +void fill_fopen_filefunc (pzlib_filefunc_def) + zlib_filefunc_def* pzlib_filefunc_def; +{ + pzlib_filefunc_def->zopen_file = fopen_file_func; + pzlib_filefunc_def->zread_file = fread_file_func; + pzlib_filefunc_def->zwrite_file = fwrite_file_func; + pzlib_filefunc_def->ztell_file = ftell_file_func; + pzlib_filefunc_def->zseek_file = fseek_file_func; + pzlib_filefunc_def->zclose_file = fclose_file_func; + pzlib_filefunc_def->zerror_file = ferror_file_func; + pzlib_filefunc_def->opaque = NULL; +} + +void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen64_file = fopen64_file_func; + pzlib_filefunc_def->zread_file = fread_file_func; + pzlib_filefunc_def->zwrite_file = fwrite_file_func; + pzlib_filefunc_def->ztell64_file = ftell64_file_func; + pzlib_filefunc_def->zseek64_file = fseek64_file_func; + pzlib_filefunc_def->zclose_file = fclose_file_func; + pzlib_filefunc_def->zerror_file = ferror_file_func; + pzlib_filefunc_def->opaque = NULL; +} diff --git a/contrib/minizip/ioapi.h b/contrib/minizip/ioapi.h new file mode 100644 index 0000000..ae9ca7e --- /dev/null +++ b/contrib/minizip/ioapi.h @@ -0,0 +1,210 @@ +/* ioapi.h -- IO base function header for compress/uncompress .zip + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + Changes + + Oct-2009 - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. (might need to find a better why for this) + Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux. + More if/def section may be needed to support other platforms + Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows. + (but you should use iowin32.c for windows instead) + +*/ + +#ifndef _ZLIBIOAPI64_H +#define _ZLIBIOAPI64_H + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + + // Linux needs this to support file operation on files larger then 4+GB + // But might need better if/def to select just the platforms that needs them. + + #ifndef __USE_FILE_OFFSET64 + #define __USE_FILE_OFFSET64 + #endif + #ifndef __USE_LARGEFILE64 + #define __USE_LARGEFILE64 + #endif + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif + #ifndef _FILE_OFFSET_BIT + #define _FILE_OFFSET_BIT 64 + #endif + +#endif + +#include +#include +#include "zlib.h" + +#if defined(USE_FILE32API) +#define fopen64 fopen +#define ftello64 ftell +#define fseeko64 fseek +#else +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) +#define fopen64 fopen +#define ftello64 ftello +#define fseeko64 fseeko +#endif +#ifdef _MSC_VER + #define fopen64 fopen + #if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC))) + #define ftello64 _ftelli64 + #define fseeko64 _fseeki64 + #else // old MSC + #define ftello64 ftell + #define fseeko64 fseek + #endif +#endif +#endif + +/* +#ifndef ZPOS64_T + #ifdef _WIN32 + #define ZPOS64_T fpos_t + #else + #include + #define ZPOS64_T uint64_t + #endif +#endif +*/ + +#ifdef HAVE_MINIZIP64_CONF_H +#include "mz64conf.h" +#endif + +/* a type choosen by DEFINE */ +#ifdef HAVE_64BIT_INT_CUSTOM +typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T; +#else +#ifdef HAS_STDINT_H +#include "stdint.h" +typedef uint64_t ZPOS64_T; +#else + + + +#if defined(_MSC_VER) || defined(__BORLANDC__) +typedef unsigned __int64 ZPOS64_T; +#else +typedef unsigned long long int ZPOS64_T; +#endif +#endif +#endif + +/* Maximum unsigned 32-bit value used as placeholder for zip64 */ +#ifndef MAXU32 +#define MAXU32 (0xffffffff) +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) +#define ZLIB_FILEFUNC_SEEK_SET (0) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + + +#ifndef ZCALLBACK + #if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) + #define ZCALLBACK CALLBACK + #else + #define ZCALLBACK + #endif +#endif + + + + +typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); +typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); +typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); +typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); + +typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); +typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); + + +/* here is the "old" 32 bits structure structure */ +typedef struct zlib_filefunc_def_s +{ + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc_def; + +typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream)); +typedef long (ZCALLBACK *seek64_file_func) OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); +typedef voidpf (ZCALLBACK *open64_file_func) OF((voidpf opaque, const void* filename, int mode)); + +typedef struct zlib_filefunc64_def_s +{ + open64_file_func zopen64_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell64_file_func ztell64_file; + seek64_file_func zseek64_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc64_def; + +void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def)); +void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +/* now internal definition, only for zip.c and unzip.h */ +typedef struct zlib_filefunc64_32_def_s +{ + zlib_filefunc64_def zfile_func64; + open_file_func zopen32_file; + tell_file_func ztell32_file; + seek_file_func zseek32_file; +} zlib_filefunc64_32_def; + + +#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) +#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) +//#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream)) +//#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode)) +#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream)) +#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream)) + +voidpf call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)); +long call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)); +ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)); + +void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32); + +#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode))) +#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream))) +#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode))) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/contrib/minizip/iowin32.c b/contrib/minizip/iowin32.c new file mode 100644 index 0000000..7df5251 --- /dev/null +++ b/contrib/minizip/iowin32.c @@ -0,0 +1,467 @@ +/* iowin32.c -- IO base function header for compress/uncompress .zip + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + +*/ + +#include + +#include "zlib.h" +#include "ioapi.h" +#include "iowin32.h" + +#ifndef INVALID_HANDLE_VALUE +#define INVALID_HANDLE_VALUE (0xFFFFFFFF) +#endif + +#ifndef INVALID_SET_FILE_POINTER +#define INVALID_SET_FILE_POINTER ((DWORD)-1) +#endif + + +// see Include/shared/winapifamily.h in the Windows Kit +#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) + +#if !defined(WINAPI_FAMILY_ONE_PARTITION) +#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition) +#endif + +#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) +#define IOWIN32_USING_WINRT_API 1 +#endif +#endif + +voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode)); +uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); +ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream)); +long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); +int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream)); +int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream)); + +typedef struct +{ + HANDLE hf; + int error; +} WIN32FILE_IOWIN; + + +static void win32_translate_open_mode(int mode, + DWORD* lpdwDesiredAccess, + DWORD* lpdwCreationDisposition, + DWORD* lpdwShareMode, + DWORD* lpdwFlagsAndAttributes) +{ + *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + { + *lpdwDesiredAccess = GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; + *lpdwShareMode = FILE_SHARE_READ; + } + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + { + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; + } + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) + { + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = CREATE_ALWAYS; + } +} + +static voidpf win32_build_iowin(HANDLE hFile) +{ + voidpf ret=NULL; + + if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) + { + WIN32FILE_IOWIN w32fiow; + w32fiow.hf = hFile; + w32fiow.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + + if (ret==NULL) + CloseHandle(hFile); + else + *((WIN32FILE_IOWIN*)ret) = w32fiow; + } + return ret; +} + +voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) +{ + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile != NULL) + { + if (!ReadFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + } + + return ret; +} + + +uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) +{ + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile != NULL) + { + if (!WriteFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + } + + return ret; +} + +static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) +{ +#ifdef IOWIN32_USING_WINRT_API + return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); +#else + LONG lHigh = pos.HighPart; + DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); + BOOL fOk = TRUE; + if (dwNewPos == 0xFFFFFFFF) + if (GetLastError() != NO_ERROR) + fOk = FALSE; + if ((newPos != NULL) && (fOk)) + { + newPos->LowPart = dwNewPos; + newPos->HighPart = lHigh; + } + return fOk; +#endif +} + +long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) +{ + long ret=-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=(long)pos.LowPart; + } + return ret; +} + +ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) +{ + ZPOS64_T ret= (ZPOS64_T)-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = (ZPOS64_T)-1; + } + else + ret=pos.QuadPart; + } + return ret; +} + + +long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) +{ + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + + long ret=-1; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile != NULL) + { + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; +} + +long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) +{ + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + long ret=-1; + + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; +} + +int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) +{ + int ret=-1; + + if (stream!=NULL) + { + HANDLE hFile; + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + CloseHandle(hFile); + ret=0; + } + free(stream); + } + return ret; +} + +int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) +{ + int ret=-1; + if (stream!=NULL) + { + ret = ((WIN32FILE_IOWIN*)stream) -> error; + } + return ret; +} + +void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen_file = win32_open_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell_file = win32_tell_file_func; + pzlib_filefunc_def->zseek_file = win32_seek_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} + +void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen64_file = win32_open64_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} + + +void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} + + +void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) +{ + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} diff --git a/contrib/minizip/iowin32.h b/contrib/minizip/iowin32.h new file mode 100644 index 0000000..0ca0969 --- /dev/null +++ b/contrib/minizip/iowin32.h @@ -0,0 +1,28 @@ +/* iowin32.h -- IO base function header for compress/uncompress .zip + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + +*/ + +#include + + +#ifdef __cplusplus +extern "C" { +#endif + +void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); +void fill_win32_filefunc64 OF((zlib_filefunc64_def* pzlib_filefunc_def)); +void fill_win32_filefunc64A OF((zlib_filefunc64_def* pzlib_filefunc_def)); +void fill_win32_filefunc64W OF((zlib_filefunc64_def* pzlib_filefunc_def)); + +#ifdef __cplusplus +} +#endif diff --git a/contrib/minizip/make_vms.com b/contrib/minizip/make_vms.com new file mode 100644 index 0000000..9ac13a9 --- /dev/null +++ b/contrib/minizip/make_vms.com @@ -0,0 +1,25 @@ +$ if f$search("ioapi.h_orig") .eqs. "" then copy ioapi.h ioapi.h_orig +$ open/write zdef vmsdefs.h +$ copy sys$input: zdef +$ deck +#define unix +#define fill_zlib_filefunc64_32_def_from_filefunc32 fillzffunc64from +#define Write_Zip64EndOfCentralDirectoryLocator Write_Zip64EoDLocator +#define Write_Zip64EndOfCentralDirectoryRecord Write_Zip64EoDRecord +#define Write_EndOfCentralDirectoryRecord Write_EoDRecord +$ eod +$ close zdef +$ copy vmsdefs.h,ioapi.h_orig ioapi.h +$ cc/include=[--]/prefix=all ioapi.c +$ cc/include=[--]/prefix=all miniunz.c +$ cc/include=[--]/prefix=all unzip.c +$ cc/include=[--]/prefix=all minizip.c +$ cc/include=[--]/prefix=all zip.c +$ link miniunz,unzip,ioapi,[--]libz.olb/lib +$ link minizip,zip,ioapi,[--]libz.olb/lib +$ mcr []minizip test minizip_info.txt +$ mcr []miniunz -l test.zip +$ rename minizip_info.txt; minizip_info.txt_old +$ mcr []miniunz test.zip +$ delete test.zip;* +$exit diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c new file mode 100644 index 0000000..0dc9b50 --- /dev/null +++ b/contrib/minizip/miniunz.c @@ -0,0 +1,659 @@ +/* + miniunz.c + Version 1.1, February 14h, 2010 + sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) +*/ + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + #ifndef __USE_FILE_OFFSET64 + #define __USE_FILE_OFFSET64 + #endif + #ifndef __USE_LARGEFILE64 + #define __USE_LARGEFILE64 + #endif + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif + #ifndef _FILE_OFFSET_BIT + #define _FILE_OFFSET_BIT 64 + #endif +#endif + +#ifdef __APPLE__ +// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions +#define FOPEN_FUNC(filename, mode) fopen(filename, mode) +#define FTELLO_FUNC(stream) ftello(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) +#else +#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) +#define FTELLO_FUNC(stream) ftello64(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) +#endif + + +#include +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 +# include +# include +#else +# include +# include +#endif + + +#include "unzip.h" + +#define CASESENSITIVITY (0) +#define WRITEBUFFERSIZE (8192) +#define MAXFILENAME (256) + +#ifdef _WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif +/* + mini unzip, demo of unzip package + + usage : + Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] + + list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT + if it exists +*/ + + +/* change_file_date : change the date/time of a file + filename : the filename of the file where date/time must be modified + dosdate : the new date at the MSDos format (4 bytes) + tmu_date : the SAME new date at the tm_unz format */ +static void change_file_date(filename,dosdate,tmu_date) + const char *filename; + uLong dosdate; + tm_unz tmu_date; +{ +#ifdef _WIN32 + HANDLE hFile; + FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; + + hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, + 0,NULL,OPEN_EXISTING,0,NULL); + GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); + DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); + LocalFileTimeToFileTime(&ftLocal,&ftm); + SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); + CloseHandle(hFile); +#else +#if defined(unix) || defined(__APPLE__) + (void)dosdate; + struct utimbuf ut; + struct tm newdate; + newdate.tm_sec = tmu_date.tm_sec; + newdate.tm_min=tmu_date.tm_min; + newdate.tm_hour=tmu_date.tm_hour; + newdate.tm_mday=tmu_date.tm_mday; + newdate.tm_mon=tmu_date.tm_mon; + if (tmu_date.tm_year > 1900) + newdate.tm_year=tmu_date.tm_year - 1900; + else + newdate.tm_year=tmu_date.tm_year ; + newdate.tm_isdst=-1; + + ut.actime=ut.modtime=mktime(&newdate); + utime(filename,&ut); +#endif +#endif +} + + +/* mymkdir and change_file_date are not 100 % portable + As I don't know well Unix, I wait feedback for the unix portion */ + +static int mymkdir(dirname) + const char* dirname; +{ + int ret=0; +#ifdef _WIN32 + ret = _mkdir(dirname); +#elif unix + ret = mkdir (dirname,0775); +#elif __APPLE__ + ret = mkdir (dirname,0775); +#endif + return ret; +} + +static int makedir (newdir) + const char *newdir; +{ + char *buffer ; + char *p; + size_t len = strlen(newdir); + + if (len == 0) + return 0; + + buffer = (char*)malloc(len+1); + if (buffer==NULL) + { + printf("Error allocating memory\n"); + return UNZ_INTERNALERROR; + } + strcpy(buffer,newdir); + + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mymkdir(buffer) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mymkdir(buffer) == -1) && (errno == ENOENT)) + { + printf("couldn't create directory %s\n",buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + +static void do_banner() +{ + printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); + printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); +} + +static void do_help() +{ + printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ + " -e Extract without pathname (junk paths)\n" \ + " -x Extract with pathname\n" \ + " -v list files\n" \ + " -l list files\n" \ + " -d directory to extract into\n" \ + " -o overwrite files without prompting\n" \ + " -p extract crypted file using password\n\n"); +} + +static void Display64BitsSize(ZPOS64_T n, int size_char) +{ + /* to avoid compatibility problem , we do here the conversion */ + char number[21]; + int offset=19; + int pos_string = 19; + number[20]=0; + for (;;) { + number[offset]=(char)((n%10)+'0'); + if (number[offset] != '0') + pos_string=offset; + n/=10; + if (offset==0) + break; + offset--; + } + { + int size_display_string = 19-pos_string; + while (size_char > size_display_string) + { + size_char--; + printf(" "); + } + } + + printf("%s",&number[pos_string]); +} + +static int do_list(uf) + unzFile uf; +{ + uLong i; + unz_global_info64 gi; + int err; + + err = unzGetGlobalInfo64(uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); + printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); + for (i=0;i0) + ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); + + /* display a '*' if the file is crypted */ + if ((file_info.flag & 1) != 0) + charCrypt='*'; + + if (file_info.compression_method==0) + string_method="Stored"; + else + if (file_info.compression_method==Z_DEFLATED) + { + uInt iLevel=(uInt)((file_info.flag & 0x6)/2); + if (iLevel==0) + string_method="Defl:N"; + else if (iLevel==1) + string_method="Defl:X"; + else if ((iLevel==2) || (iLevel==3)) + string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ + } + else + if (file_info.compression_method==Z_BZIP2ED) + { + string_method="BZip2 "; + } + else + string_method="Unkn. "; + + Display64BitsSize(file_info.uncompressed_size,7); + printf(" %6s%c",string_method,charCrypt); + Display64BitsSize(file_info.compressed_size,7); + printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", + ratio, + (uLong)file_info.tmu_date.tm_mon + 1, + (uLong)file_info.tmu_date.tm_mday, + (uLong)file_info.tmu_date.tm_year % 100, + (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, + (uLong)file_info.crc,filename_inzip); + if ((i+1)='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + } + + if (rep == 'N') + skip = 1; + + if (rep == 'A') + *popt_overwrite=1; + } + + if ((skip==0) && (err==UNZ_OK)) + { + fout=FOPEN_FUNC(write_filename,"wb"); + /* some zipfile don't contain directory alone before file */ + if ((fout==NULL) && ((*popt_extract_without_path)==0) && + (filename_withoutpath!=(char*)filename_inzip)) + { + char c=*(filename_withoutpath-1); + *(filename_withoutpath-1)='\0'; + makedir(write_filename); + *(filename_withoutpath-1)=c; + fout=FOPEN_FUNC(write_filename,"wb"); + } + + if (fout==NULL) + { + printf("error opening %s\n",write_filename); + } + } + + if (fout!=NULL) + { + printf(" extracting: %s\n",write_filename); + + do + { + err = unzReadCurrentFile(uf,buf,size_buf); + if (err<0) + { + printf("error %d with zipfile in unzReadCurrentFile\n",err); + break; + } + if (err>0) + if (fwrite(buf,(unsigned)err,1,fout)!=1) + { + printf("error in writing extracted file\n"); + err=UNZ_ERRNO; + break; + } + } + while (err>0); + if (fout) + fclose(fout); + + if (err==0) + change_file_date(write_filename,file_info.dosDate, + file_info.tmu_date); + } + + if (err==UNZ_OK) + { + err = unzCloseCurrentFile (uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzCloseCurrentFile\n",err); + } + } + else + unzCloseCurrentFile(uf); /* don't lose the error */ + } + + free(buf); + return err; +} + + +static int do_extract(uf,opt_extract_without_path,opt_overwrite,password) + unzFile uf; + int opt_extract_without_path; + int opt_overwrite; + const char* password; +{ + uLong i; + unz_global_info64 gi; + int err; + + err = unzGetGlobalInfo64(uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + + for (i=0;i insert n+1 empty lines +.\" for manpage-specific macros, see man(7) +.SH NAME +miniunzip - uncompress and examine ZIP archives +.SH SYNOPSIS +.B miniunzip +.RI [ -exvlo ] +zipfile [ files_to_extract ] [-d tempdir] +.SH DESCRIPTION +.B minizip +is a simple tool which allows the extraction of compressed file +archives in the ZIP format used by the MS-DOS utility PKZIP. It was +written as a demonstration of the +.IR zlib (3) +library and therefore lack many of the features of the +.IR unzip (1) +program. +.SH OPTIONS +A number of options are supported. With the exception of +.BI \-d\ tempdir +these must be supplied before any +other arguments and are: +.TP +.BI \-l\ ,\ \-\-v +List the files in the archive without extracting them. +.TP +.B \-o +Overwrite files without prompting for confirmation. +.TP +.B \-x +Extract files (default). +.PP +The +.I zipfile +argument is the name of the archive to process. The next argument can be used +to specify a single file to extract from the archive. + +Lastly, the following option can be specified at the end of the command-line: +.TP +.BI \-d\ tempdir +Extract the archive in the directory +.I tempdir +rather than the current directory. +.SH SEE ALSO +.BR minizip (1), +.BR zlib (3), +.BR unzip (1). +.SH AUTHOR +This program was written by Gilles Vollant. This manual page was +written by Mark Brown . The -d tempdir option +was added by Dirk Eddelbuettel . diff --git a/contrib/minizip/minizip.1 b/contrib/minizip/minizip.1 new file mode 100644 index 0000000..1154484 --- /dev/null +++ b/contrib/minizip/minizip.1 @@ -0,0 +1,46 @@ +.\" Hey, EMACS: -*- nroff -*- +.TH minizip 1 "May 2, 2001" +.\" Please adjust this date whenever revising the manpage. +.\" +.\" Some roff macros, for reference: +.\" .nh disable hyphenation +.\" .hy enable hyphenation +.\" .ad l left justify +.\" .ad b justify to both left and right margins +.\" .nf disable filling +.\" .fi enable filling +.\" .br insert line break +.\" .sp insert n+1 empty lines +.\" for manpage-specific macros, see man(7) +.SH NAME +minizip - create ZIP archives +.SH SYNOPSIS +.B minizip +.RI [ -o ] +zipfile [ " files" ... ] +.SH DESCRIPTION +.B minizip +is a simple tool which allows the creation of compressed file archives +in the ZIP format used by the MS-DOS utility PKZIP. It was written as +a demonstration of the +.IR zlib (3) +library and therefore lack many of the features of the +.IR zip (1) +program. +.SH OPTIONS +The first argument supplied is the name of the ZIP archive to create or +.RI -o +in which case it is ignored and the second argument treated as the +name of the ZIP file. If the ZIP file already exists it will be +overwritten. +.PP +Subsequent arguments specify a list of files to place in the ZIP +archive. If none are specified then an empty archive will be created. +.SH SEE ALSO +.BR miniunzip (1), +.BR zlib (3), +.BR zip (1). +.SH AUTHOR +This program was written by Gilles Vollant. This manual page was +written by Mark Brown . + diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c new file mode 100644 index 0000000..e8561b1 --- /dev/null +++ b/contrib/minizip/minizip.c @@ -0,0 +1,521 @@ +/* + minizip.c + Version 1.1, February 14h, 2010 + sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) +*/ + + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + #ifndef __USE_FILE_OFFSET64 + #define __USE_FILE_OFFSET64 + #endif + #ifndef __USE_LARGEFILE64 + #define __USE_LARGEFILE64 + #endif + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif + #ifndef _FILE_OFFSET_BIT + #define _FILE_OFFSET_BIT 64 + #endif +#endif + +#ifdef __APPLE__ +// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions +#define FOPEN_FUNC(filename, mode) fopen(filename, mode) +#define FTELLO_FUNC(stream) ftello(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) +#else +#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) +#define FTELLO_FUNC(stream) ftello64(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) +#endif + + + +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 +# include +# include +#else +# include +# include +# include +# include +#endif + +#include "zip.h" + +#ifdef _WIN32 + #define USEWIN32IOAPI + #include "iowin32.h" +#endif + + + +#define WRITEBUFFERSIZE (16384) +#define MAXFILENAME (256) + +#ifdef _WIN32 +static int filetime(f, tmzip, dt) + const char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + int ret = 0; + { + FILETIME ftLocal; + HANDLE hFind; + WIN32_FIND_DATAA ff32; + + hFind = FindFirstFileA(f,&ff32); + if (hFind != INVALID_HANDLE_VALUE) + { + FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); + FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); + FindClose(hFind); + ret = 1; + } + } + return ret; +} +#else +#if defined(unix) || defined(__APPLE__) +static int filetime(f, tmzip, dt) + const char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + (void)dt; + int ret=0; + struct stat s; /* results of stat() */ + struct tm* filedate; + time_t tm_t=0; + + if (strcmp(f,"-")!=0) + { + char name[MAXFILENAME+1]; + size_t len = strlen(f); + if (len > MAXFILENAME) + len = MAXFILENAME; + + strncpy(name, f,MAXFILENAME-1); + /* strncpy doesnt append the trailing NULL, of the string is too long. */ + name[ MAXFILENAME ] = '\0'; + + if (name[len - 1] == '/') + name[len - 1] = '\0'; + /* not all systems allow stat'ing a file with / appended */ + if (stat(name,&s)==0) + { + tm_t = s.st_mtime; + ret = 1; + } + } + filedate = localtime(&tm_t); + + tmzip->tm_sec = filedate->tm_sec; + tmzip->tm_min = filedate->tm_min; + tmzip->tm_hour = filedate->tm_hour; + tmzip->tm_mday = filedate->tm_mday; + tmzip->tm_mon = filedate->tm_mon ; + tmzip->tm_year = filedate->tm_year; + + return ret; +} +#else +uLong filetime(f, tmzip, dt) + const char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + return 0; +} +#endif +#endif + + + + +static int check_exist_file(filename) + const char* filename; +{ + FILE* ftestexist; + int ret = 1; + ftestexist = FOPEN_FUNC(filename,"rb"); + if (ftestexist==NULL) + ret = 0; + else + fclose(ftestexist); + return ret; +} + +static void do_banner() +{ + printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n"); + printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n"); +} + +static void do_help() +{ + printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \ + " -o Overwrite existing file.zip\n" \ + " -a Append to existing file.zip\n" \ + " -0 Store only\n" \ + " -1 Compress faster\n" \ + " -9 Compress better\n\n" \ + " -j exclude path. store only the file name.\n\n"); +} + +/* calculate the CRC32 of a file, + because to encrypt a file, we need known the CRC32 of the file before */ +static int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) +{ + unsigned long calculate_crc=0; + int err=ZIP_OK; + FILE * fin = FOPEN_FUNC(filenameinzip,"rb"); + + unsigned long size_read = 0; + /* unsigned long total_read = 0; */ + if (fin==NULL) + { + err = ZIP_ERRNO; + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + calculate_crc = crc32_z(calculate_crc,buf,size_read); + /* total_read += size_read; */ + + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + *result_crc=calculate_crc; + printf("file %s crc %lx\n", filenameinzip, calculate_crc); + return err; +} + +static int isLargeFile(const char* filename) +{ + int largeFile = 0; + ZPOS64_T pos = 0; + FILE* pFile = FOPEN_FUNC(filename, "rb"); + + if(pFile != NULL) + { + FSEEKO_FUNC(pFile, 0, SEEK_END); + pos = (ZPOS64_T)FTELLO_FUNC(pFile); + + printf("File : %s is %lld bytes\n", filename, pos); + + if(pos >= 0xffffffff) + largeFile = 1; + + fclose(pFile); + } + + return largeFile; +} + +int main(argc,argv) + int argc; + char *argv[]; +{ + int i; + int opt_overwrite=0; + int opt_compress_level=Z_DEFAULT_COMPRESSION; + int opt_exclude_path=0; + int zipfilenamearg = 0; + char filename_try[MAXFILENAME+16]; + int zipok; + int err=0; + size_t size_buf=0; + void* buf=NULL; + const char* password=NULL; + + + do_banner(); + if (argc==1) + { + do_help(); + return 0; + } + else + { + for (i=1;i='0') && (c<='9')) + opt_compress_level = c-'0'; + if ((c=='j') || (c=='J')) + opt_exclude_path = 1; + + if (((c=='p') || (c=='P')) && (i+1='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + if (rep=='N') + zipok = 0; + if (rep=='A') + opt_overwrite = 2; + } + } + + if (zipok==1) + { + zipFile zf; + int errclose; +# ifdef USEWIN32IOAPI + zlib_filefunc64_def ffunc; + fill_win32_filefunc64A(&ffunc); + zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); +# else + zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0); +# endif + + if (zf == NULL) + { + printf("error opening %s\n",filename_try); + err= ZIP_ERRNO; + } + else + printf("creating %s\n",filename_try); + + for (i=zipfilenamearg+1;(i='0') || (argv[i][1]<='9'))) && + (strlen(argv[i]) == 2))) + { + FILE * fin; + size_t size_read; + const char* filenameinzip = argv[i]; + const char *savefilenameinzip; + zip_fileinfo zi; + unsigned long crcFile=0; + int zip64 = 0; + + zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = + zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; + zi.dosDate = 0; + zi.internal_fa = 0; + zi.external_fa = 0; + filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); + +/* + err = zipOpenNewFileInZip(zf,filenameinzip,&zi, + NULL,0,NULL,0,NULL / * comment * /, + (opt_compress_level != 0) ? Z_DEFLATED : 0, + opt_compress_level); +*/ + if ((password != NULL) && (err==ZIP_OK)) + err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); + + zip64 = isLargeFile(filenameinzip); + + /* The path name saved, should not include a leading slash. */ + /*if it did, windows/xp and dynazip couldn't read the zip file. */ + savefilenameinzip = filenameinzip; + while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' ) + { + savefilenameinzip++; + } + + /*should the zip file contain any path at all?*/ + if( opt_exclude_path ) + { + const char *tmpptr; + const char *lastslash = 0; + for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++) + { + if( *tmpptr == '\\' || *tmpptr == '/') + { + lastslash = tmpptr; + } + } + if( lastslash != NULL ) + { + savefilenameinzip = lastslash+1; // base filename follows last slash. + } + } + + /**/ + err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi, + NULL,0,NULL,0,NULL /* comment*/, + (opt_compress_level != 0) ? Z_DEFLATED : 0, + opt_compress_level,0, + /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + password,crcFile, zip64); + + if (err != ZIP_OK) + printf("error in opening %s in zipfile\n",filenameinzip); + else + { + fin = FOPEN_FUNC(filenameinzip,"rb"); + if (fin==NULL) + { + err=ZIP_ERRNO; + printf("error in opening %s for reading\n",filenameinzip); + } + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + { + err = zipWriteInFileInZip (zf,buf,(unsigned)size_read); + if (err<0) + { + printf("error in writing %s in the zipfile\n", + filenameinzip); + } + + } + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + if (err<0) + err=ZIP_ERRNO; + else + { + err = zipCloseFileInZip(zf); + if (err!=ZIP_OK) + printf("error in closing %s in the zipfile\n", + filenameinzip); + } + } + } + errclose = zipClose(zf,NULL); + if (errclose != ZIP_OK) + printf("error in closing %s\n",filename_try); + } + else + { + do_help(); + } + + free(buf); + return 0; +} diff --git a/contrib/minizip/minizip.pc.in b/contrib/minizip/minizip.pc.in new file mode 100644 index 0000000..69b5b7f --- /dev/null +++ b/contrib/minizip/minizip.pc.in @@ -0,0 +1,12 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@/minizip + +Name: minizip +Description: Minizip zip file manipulation library +Requires: +Version: @PACKAGE_VERSION@ +Libs: -L${libdir} -lminizip +Libs.private: -lz +Cflags: -I${includedir} diff --git a/contrib/minizip/mztools.c b/contrib/minizip/mztools.c new file mode 100644 index 0000000..96891c2 --- /dev/null +++ b/contrib/minizip/mztools.c @@ -0,0 +1,291 @@ +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +/* Code */ +#include +#include +#include +#include "zlib.h" +#include "unzip.h" + +#define READ_8(adr) ((unsigned char)*(adr)) +#define READ_16(adr) ( READ_8(adr) | (READ_8(adr+1) << 8) ) +#define READ_32(adr) ( READ_16(adr) | (READ_16((adr)+2) << 16) ) + +#define WRITE_8(buff, n) do { \ + *((unsigned char*)(buff)) = (unsigned char) ((n) & 0xff); \ +} while(0) +#define WRITE_16(buff, n) do { \ + WRITE_8((unsigned char*)(buff), n); \ + WRITE_8(((unsigned char*)(buff)) + 1, (n) >> 8); \ +} while(0) +#define WRITE_32(buff, n) do { \ + WRITE_16((unsigned char*)(buff), (n) & 0xffff); \ + WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \ +} while(0) + +extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered) +const char* file; +const char* fileOut; +const char* fileOutTmp; +uLong* nRecovered; +uLong* bytesRecovered; +{ + int err = Z_OK; + FILE* fpZip = fopen(file, "rb"); + FILE* fpOut = fopen(fileOut, "wb"); + FILE* fpOutCD = fopen(fileOutTmp, "wb"); + if (fpZip != NULL && fpOut != NULL) { + int entries = 0; + uLong totalBytes = 0; + char header[30]; + char filename[1024]; + char extra[1024]; + int offset = 0; + int offsetCD = 0; + while ( fread(header, 1, 30, fpZip) == 30 ) { + int currentOffset = offset; + + /* File entry */ + if (READ_32(header) == 0x04034b50) { + unsigned int version = READ_16(header + 4); + unsigned int gpflag = READ_16(header + 6); + unsigned int method = READ_16(header + 8); + unsigned int filetime = READ_16(header + 10); + unsigned int filedate = READ_16(header + 12); + unsigned int crc = READ_32(header + 14); /* crc */ + unsigned int cpsize = READ_32(header + 18); /* compressed size */ + unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */ + unsigned int fnsize = READ_16(header + 26); /* file name length */ + unsigned int extsize = READ_16(header + 28); /* extra field length */ + filename[0] = extra[0] = '\0'; + + /* Header */ + if (fwrite(header, 1, 30, fpOut) == 30) { + offset += 30; + } else { + err = Z_ERRNO; + break; + } + + /* Filename */ + if (fnsize > 0) { + if (fnsize < sizeof(filename)) { + if (fread(filename, 1, fnsize, fpZip) == fnsize) { + if (fwrite(filename, 1, fnsize, fpOut) == fnsize) { + offset += fnsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + if (extsize < sizeof(extra)) { + if (fread(extra, 1, extsize, fpZip) == extsize) { + if (fwrite(extra, 1, extsize, fpOut) == extsize) { + offset += extsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } + + /* Data */ + { + int dataSize = cpsize; + if (dataSize == 0) { + dataSize = uncpsize; + } + if (dataSize > 0) { + char* data = malloc(dataSize); + if (data != NULL) { + if ((int)fread(data, 1, dataSize, fpZip) == dataSize) { + if ((int)fwrite(data, 1, dataSize, fpOut) == dataSize) { + offset += dataSize; + totalBytes += dataSize; + } else { + err = Z_ERRNO; + } + } else { + err = Z_ERRNO; + } + free(data); + if (err != Z_OK) { + break; + } + } else { + err = Z_MEM_ERROR; + break; + } + } + } + + /* Central directory entry */ + { + char header[46]; + char* comment = ""; + int comsize = (int) strlen(comment); + WRITE_32(header, 0x02014b50); + WRITE_16(header + 4, version); + WRITE_16(header + 6, version); + WRITE_16(header + 8, gpflag); + WRITE_16(header + 10, method); + WRITE_16(header + 12, filetime); + WRITE_16(header + 14, filedate); + WRITE_32(header + 16, crc); + WRITE_32(header + 20, cpsize); + WRITE_32(header + 24, uncpsize); + WRITE_16(header + 28, fnsize); + WRITE_16(header + 30, extsize); + WRITE_16(header + 32, comsize); + WRITE_16(header + 34, 0); /* disk # */ + WRITE_16(header + 36, 0); /* int attrb */ + WRITE_32(header + 38, 0); /* ext attrb */ + WRITE_32(header + 42, currentOffset); + /* Header */ + if (fwrite(header, 1, 46, fpOutCD) == 46) { + offsetCD += 46; + + /* Filename */ + if (fnsize > 0) { + if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) { + offsetCD += fnsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + if (fwrite(extra, 1, extsize, fpOutCD) == extsize) { + offsetCD += extsize; + } else { + err = Z_ERRNO; + break; + } + } + + /* Comment field */ + if (comsize > 0) { + if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) { + offsetCD += comsize; + } else { + err = Z_ERRNO; + break; + } + } + + + } else { + err = Z_ERRNO; + break; + } + } + + /* Success */ + entries++; + + } else { + break; + } + } + + /* Final central directory */ + { + int entriesZip = entries; + char header[22]; + char* comment = ""; // "ZIP File recovered by zlib/minizip/mztools"; + int comsize = (int) strlen(comment); + if (entriesZip > 0xffff) { + entriesZip = 0xffff; + } + WRITE_32(header, 0x06054b50); + WRITE_16(header + 4, 0); /* disk # */ + WRITE_16(header + 6, 0); /* disk # */ + WRITE_16(header + 8, entriesZip); /* hack */ + WRITE_16(header + 10, entriesZip); /* hack */ + WRITE_32(header + 12, offsetCD); /* size of CD */ + WRITE_32(header + 16, offset); /* offset to CD */ + WRITE_16(header + 20, comsize); /* comment */ + + /* Header */ + if (fwrite(header, 1, 22, fpOutCD) == 22) { + + /* Comment field */ + if (comsize > 0) { + if ((int)fwrite(comment, 1, comsize, fpOutCD) != comsize) { + err = Z_ERRNO; + } + } + + } else { + err = Z_ERRNO; + } + } + + /* Final merge (file + central directory) */ + fclose(fpOutCD); + if (err == Z_OK) { + fpOutCD = fopen(fileOutTmp, "rb"); + if (fpOutCD != NULL) { + int nRead; + char buffer[8192]; + while ( (nRead = (int)fread(buffer, 1, sizeof(buffer), fpOutCD)) > 0) { + if ((int)fwrite(buffer, 1, nRead, fpOut) != nRead) { + err = Z_ERRNO; + break; + } + } + fclose(fpOutCD); + } + } + + /* Close */ + fclose(fpZip); + fclose(fpOut); + + /* Wipe temporary file */ + (void)remove(fileOutTmp); + + /* Number of recovered entries */ + if (err == Z_OK) { + if (nRecovered != NULL) { + *nRecovered = entries; + } + if (bytesRecovered != NULL) { + *bytesRecovered = totalBytes; + } + } + } else { + err = Z_STREAM_ERROR; + } + return err; +} diff --git a/contrib/minizip/mztools.h b/contrib/minizip/mztools.h new file mode 100644 index 0000000..a49a426 --- /dev/null +++ b/contrib/minizip/mztools.h @@ -0,0 +1,37 @@ +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +#ifndef _zip_tools_H +#define _zip_tools_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#include "unzip.h" + +/* Repair a ZIP file (missing central directory) + file: file to recover + fileOut: output file after recovery + fileOutTmp: temporary file name used for recovery +*/ +extern int ZEXPORT unzRepair(const char* file, + const char* fileOut, + const char* fileOutTmp, + uLong* nRecovered, + uLong* bytesRecovered); + + +#ifdef __cplusplus +} +#endif + + +#endif diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c new file mode 100644 index 0000000..3036b47 --- /dev/null +++ b/contrib/minizip/unzip.c @@ -0,0 +1,2130 @@ +/* unzip.c -- IO for uncompress .zip files using zlib + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + + ------------------------------------------------------------------------------------ + Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of + compatibility with older software. The following is from the original crypt.c. + Code woven in by Terry Thorsen 1/2003. + + Copyright (c) 1990-2000 Info-ZIP. All rights reserved. + + See the accompanying file LICENSE, version 2000-Apr-09 or later + (the contents of which are also included in zip.h) for terms of use. + If, for some reason, all these files are missing, the Info-ZIP license + also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html + + crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + ------------------------------------------------------------------------------------ + + Changes in unzip.c + + 2007-2008 - Even Rouault - Addition of cpl_unzGetCurrentFileZStreamPos + 2007-2008 - Even Rouault - Decoration of symbol names unz* -> cpl_unz* + 2007-2008 - Even Rouault - Remove old C style function prototypes + 2007-2008 - Even Rouault - Add unzip support for ZIP64 + + Copyright (C) 2007-2008 Even Rouault + + + Oct-2009 - Mathias Svensson - Removed cpl_* from symbol names (Even Rouault added them but since this is now moved to a new project (minizip64) I renamed them again). + Oct-2009 - Mathias Svensson - Fixed problem if uncompressed size was > 4G and compressed size was <4G + should only read the compressed/uncompressed size from the Zip64 format if + the size from normal header was 0xFFFFFFFF + Oct-2009 - Mathias Svensson - Applied some bug fixes from paches recived from Gilles Vollant + Oct-2009 - Mathias Svensson - Applied support to unzip files with compression mathod BZIP2 (bzip2 lib is required) + Patch created by Daniel Borca + + Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer + + Copyright (C) 1998 - 2010 Gilles Vollant, Even Rouault, Mathias Svensson + +*/ + + +#include +#include +#include + +#ifndef NOUNCRYPT + #define NOUNCRYPT +#endif + +#include "zlib.h" +#include "unzip.h" + +#ifdef STDC +# include +# include +# include +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + + +#ifndef CASESENSITIVITYDEFAULT_NO +# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) +# define CASESENSITIVITYDEFAULT_NO +# endif +#endif + + +#ifndef UNZ_BUFSIZE +#define UNZ_BUFSIZE (16384) +#endif + +#ifndef UNZ_MAXFILENAMEINZIP +#define UNZ_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) { free(p);} +#endif + +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) + + +const char unz_copyright[] = + " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; + +/* unz_file_info_interntal contain internal info about a file in zipfile*/ +typedef struct unz_file_info64_internal_s +{ + ZPOS64_T offset_curfile;/* relative offset of local header 8 bytes */ +} unz_file_info64_internal; + + +/* file_in_zip_read_info_s contain internal information about a file in zipfile, + when reading and decompress it */ +typedef struct +{ + char *read_buffer; /* internal buffer for compressed data */ + z_stream stream; /* zLib stream structure for inflate */ + +#ifdef HAVE_BZIP2 + bz_stream bstream; /* bzLib stream structure for bziped */ +#endif + + ZPOS64_T pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ + uLong stream_initialised; /* flag set if stream structure is initialised*/ + + ZPOS64_T offset_local_extrafield;/* offset of the local extra field */ + uInt size_local_extrafield;/* size of the local extra field */ + ZPOS64_T pos_local_extrafield; /* position in the local extra field in read*/ + ZPOS64_T total_out_64; + + uLong crc32; /* crc32 of all data uncompressed */ + uLong crc32_wait; /* crc32 we must obtain after decompress all */ + ZPOS64_T rest_read_compressed; /* number of byte to be decompressed */ + ZPOS64_T rest_read_uncompressed;/*number of byte to be obtained after decomp*/ + zlib_filefunc64_32_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + uLong compression_method; /* compression method (0==store) */ + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + int raw; +} file_in_zip64_read_info_s; + + +/* unz64_s contain internal information about the zipfile +*/ +typedef struct +{ + zlib_filefunc64_32_def z_filefunc; + int is64bitOpenFunction; + voidpf filestream; /* io structore of the zipfile */ + unz_global_info64 gi; /* public global information */ + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + ZPOS64_T num_file; /* number of the current file in the zipfile*/ + ZPOS64_T pos_in_central_dir; /* pos of the current file in the central dir*/ + ZPOS64_T current_file_ok; /* flag about the usability of the current file*/ + ZPOS64_T central_pos; /* position of the beginning of the central dir*/ + + ZPOS64_T size_central_dir; /* size of the central directory */ + ZPOS64_T offset_central_dir; /* offset of start of central directory with + respect to the starting disk number */ + + unz_file_info64 cur_file_info; /* public info about the current file in zip*/ + unz_file_info64_internal cur_file_info_internal; /* private info about it*/ + file_in_zip64_read_info_s* pfile_in_zip_read; /* structure about the current + file if we are decompressing it */ + int encrypted; + + int isZip64; + +# ifndef NOUNCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const z_crc_t* pcrc_32_tab; +# endif +} unz64_s; + + +#ifndef NOUNCRYPT +#include "crypt.h" +#endif + +/* =========================================================================== + Read a byte from a gz_stream; update next_in and avail_in. Return EOF + for end of file. + IN assertion: the stream s has been successfully opened for reading. +*/ + + +local int unz64local_getByte OF(( + const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + int *pi)); + +local int unz64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi) +{ + unsigned char c; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; + return UNZ_OK; + } + else + { + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } +} + + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets +*/ +local int unz64local_getShort OF(( + const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unz64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) +{ + uLong x ; + int i = 0; + int err; + + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((uLong)i)<<8; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int unz64local_getLong OF(( + const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unz64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) +{ + uLong x ; + int i = 0; + int err; + + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((uLong)i)<<8; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((uLong)i)<<16; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int unz64local_getLong64 OF(( + const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + ZPOS64_T *pX)); + + +local int unz64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + ZPOS64_T *pX) +{ + ZPOS64_T x ; + int i = 0; + int err; + + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (ZPOS64_T)i; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<8; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<16; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<24; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<32; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<40; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<48; + + if (err==UNZ_OK) + err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); + x |= ((ZPOS64_T)i)<<56; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +/* My own strcmpi / strcasecmp */ +local int strcmpcasenosensitive_internal (const char* fileName1, const char* fileName2) +{ + for (;;) + { + char c1=*(fileName1++); + char c2=*(fileName2++); + if ((c1>='a') && (c1<='z')) + c1 -= 0x20; + if ((c2>='a') && (c2<='z')) + c2 -= 0x20; + if (c1=='\0') + return ((c2=='\0') ? 0 : -1); + if (c2=='\0') + return 1; + if (c1c2) + return 1; + } +} + + +#ifdef CASESENSITIVITYDEFAULT_NO +#define CASESENSITIVITYDEFAULTVALUE 2 +#else +#define CASESENSITIVITYDEFAULTVALUE 1 +#endif + +#ifndef STRCMPCASENOSENTIVEFUNCTION +#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal +#endif + +/* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) + +*/ +extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, + const char* fileName2, + int iCaseSensitivity) + +{ + if (iCaseSensitivity==0) + iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; + + if (iCaseSensitivity==1) + return strcmp(fileName1,fileName2); + + return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#endif + +/* + Locate the Central directory of a zipfile (at the end, just before + the global comment) +*/ +local ZPOS64_T unz64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); +local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) +{ + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} + + +/* + Locate the Central directory 64 of a zipfile (at the end, just before + the global comment) +*/ +local ZPOS64_T unz64local_SearchCentralDir64 OF(( + const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream)); + +local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream) +{ + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; + uLong uL; + ZPOS64_T relativeOffset; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + if (uPosFound == 0) + return 0; + + /* Zip64 end of central directory locator */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature, already checked */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return 0; + + /* number of the disk with the start of the zip64 end of central directory */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return 0; + if (uL != 0) + return 0; + + /* relative offset of the zip64 end of central directory record */ + if (unz64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=UNZ_OK) + return 0; + + /* total number of disks */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return 0; + if (uL != 1) + return 0; + + /* Goto end of central directory record */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return 0; + + if (uL != 0x06064b50) + return 0; + + return relativeOffset; +} + +/* + Open a Zip file. path contain the full pathname (by example, + on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer + "zlib/zlib114.zip". + If the zipfile cannot be opened (file doesn't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ +local unzFile unzOpenInternal (const void *path, + zlib_filefunc64_32_def* pzlib_filefunc64_32_def, + int is64bitOpenFunction) +{ + unz64_s us; + unz64_s *s; + ZPOS64_T central_pos; + uLong uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + ZPOS64_T number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + + int err=UNZ_OK; + + if (unz_copyright[0]!=' ') + return NULL; + + us.z_filefunc.zseek32_file = NULL; + us.z_filefunc.ztell32_file = NULL; + if (pzlib_filefunc64_32_def==NULL) + fill_fopen64_filefunc(&us.z_filefunc.zfile_func64); + else + us.z_filefunc = *pzlib_filefunc64_32_def; + us.is64bitOpenFunction = is64bitOpenFunction; + + + + us.filestream = ZOPEN64(us.z_filefunc, + path, + ZLIB_FILEFUNC_MODE_READ | + ZLIB_FILEFUNC_MODE_EXISTING); + if (us.filestream==NULL) + return NULL; + + central_pos = unz64local_SearchCentralDir64(&us.z_filefunc,us.filestream); + if (central_pos) + { + uLong uS; + ZPOS64_T uL64; + + us.isZip64 = 1; + + if (ZSEEK64(us.z_filefunc, us.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + /* the signature, already checked */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + + /* size of zip64 end of central directory record */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&uL64)!=UNZ_OK) + err=UNZ_ERRNO; + + /* version made by */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uS)!=UNZ_OK) + err=UNZ_ERRNO; + + /* version needed to extract */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uS)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of this disk */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of the disk with the start of the central directory */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central directory on this disk */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central directory */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + if ((number_entry_CD!=us.gi.number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; + + us.gi.size_comment = 0; + } + else + { + central_pos = unz64local_SearchCentralDir(&us.z_filefunc,us.filestream); + if (central_pos==0) + err=UNZ_ERRNO; + + us.isZip64 = 0; + + if (ZSEEK64(us.z_filefunc, us.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + /* the signature, already checked */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of this disk */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of the disk with the start of the central directory */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.gi.number_entry = uL; + + /* total number of entries in the central dir */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + number_entry_CD = uL; + + if ((number_entry_CD!=us.gi.number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.size_central_dir = uL; + + /* offset of start of central directory with respect to the + starting disk number */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.offset_central_dir = uL; + + /* zipfile comment length */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) + err=UNZ_ERRNO; + } + + if ((central_pospfile_in_zip_read!=NULL) + unzCloseCurrentFile(file); + + ZCLOSE64(s->z_filefunc, s->filestream); + TRYFREE(s); + return UNZ_OK; +} + + +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ +extern int ZEXPORT unzGetGlobalInfo64 (unzFile file, unz_global_info64* pglobal_info) +{ + unz64_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + *pglobal_info=s->gi; + return UNZ_OK; +} + +extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info* pglobal_info32) +{ + unz64_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + /* to do : check if number_entry is not truncated */ + pglobal_info32->number_entry = (uLong)s->gi.number_entry; + pglobal_info32->size_comment = s->gi.size_comment; + return UNZ_OK; +} +/* + Translate date/time from Dos format to tm_unz (readable more easilty) +*/ +local void unz64local_DosDateToTmuDate (ZPOS64_T ulDosDate, tm_unz* ptm) +{ + ZPOS64_T uDate; + uDate = (ZPOS64_T)(ulDosDate>>16); + ptm->tm_mday = (int)(uDate&0x1f) ; + ptm->tm_mon = (int)((((uDate)&0x1E0)/0x20)-1) ; + ptm->tm_year = (int)(((uDate&0x0FE00)/0x0200)+1980) ; + + ptm->tm_hour = (int) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (int) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (int) (2*(ulDosDate&0x1f)) ; +} + +/* + Get Info about the current file in the zipfile, with internal only info +*/ +local int unz64local_GetCurrentFileInfoInternal OF((unzFile file, + unz_file_info64 *pfile_info, + unz_file_info64_internal + *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); + +local int unz64local_GetCurrentFileInfoInternal (unzFile file, + unz_file_info64 *pfile_info, + unz_file_info64_internal + *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize) +{ + unz64_s* s; + unz_file_info64 file_info; + unz_file_info64_internal file_info_internal; + int err=UNZ_OK; + uLong uMagic; + long lSeek=0; + uLong uL; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + if (ZSEEK64(s->z_filefunc, s->filestream, + s->pos_in_central_dir+s->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + + /* we check the magic */ + if (err==UNZ_OK) + { + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + err=UNZ_ERRNO; + else if (uMagic!=0x02014b50) + err=UNZ_BADZIPFILE; + } + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) + err=UNZ_ERRNO; + + unz64local_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + file_info.compressed_size = uL; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + file_info.uncompressed_size = uL; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) + err=UNZ_ERRNO; + + // relative offset of local header + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + file_info_internal.offset_curfile = uL; + + lSeek+=file_info.size_filename; + if ((err==UNZ_OK) && (szFileName!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_filename0) && (fileNameBufferSize>0)) + if (ZREAD64(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek -= uSizeRead; + } + + // Read extrafield + if ((err==UNZ_OK) && (extraField!=NULL)) + { + ZPOS64_T uSizeRead ; + if (file_info.size_file_extraz_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } + + if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) + if (ZREAD64(s->z_filefunc, s->filestream,extraField,(uLong)uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + + lSeek += file_info.size_file_extra - (uLong)uSizeRead; + } + else + lSeek += file_info.size_file_extra; + + + if ((err==UNZ_OK) && (file_info.size_file_extra != 0)) + { + uLong acc = 0; + + // since lSeek now points to after the extra field we need to move back + lSeek -= file_info.size_file_extra; + + if (lSeek!=0) + { + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } + + while(acc < file_info.size_file_extra) + { + uLong headerId; + uLong dataSize; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&headerId) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&dataSize) != UNZ_OK) + err=UNZ_ERRNO; + + /* ZIP64 extra fields */ + if (headerId == 0x0001) + { + uLong uL; + + if(file_info.uncompressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.compressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info_internal.offset_curfile == MAXU32) + { + /* Relative Header offset */ + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.disk_num_start == MAXU32) + { + /* Disk Start Number */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + } + + } + else + { + if (ZSEEK64(s->z_filefunc, s->filestream,dataSize,ZLIB_FILEFUNC_SEEK_CUR)!=0) + err=UNZ_ERRNO; + } + + acc += 2 + 2 + dataSize; + } + } + + if ((err==UNZ_OK) && (szComment!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_file_commentz_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } + + if ((file_info.size_file_comment>0) && (commentBufferSize>0)) + if (ZREAD64(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek+=file_info.size_file_comment - uSizeRead; + } + else + lSeek+=file_info.size_file_comment; + + + if ((err==UNZ_OK) && (pfile_info!=NULL)) + *pfile_info=file_info; + + if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) + *pfile_info_internal=file_info_internal; + + return err; +} + + + +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. +*/ +extern int ZEXPORT unzGetCurrentFileInfo64 (unzFile file, + unz_file_info64 * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) +{ + return unz64local_GetCurrentFileInfoInternal(file,pfile_info,NULL, + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); +} + +extern int ZEXPORT unzGetCurrentFileInfo (unzFile file, + unz_file_info * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) +{ + int err; + unz_file_info64 file_info64; + err = unz64local_GetCurrentFileInfoInternal(file,&file_info64,NULL, + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); + if ((err==UNZ_OK) && (pfile_info != NULL)) + { + pfile_info->version = file_info64.version; + pfile_info->version_needed = file_info64.version_needed; + pfile_info->flag = file_info64.flag; + pfile_info->compression_method = file_info64.compression_method; + pfile_info->dosDate = file_info64.dosDate; + pfile_info->crc = file_info64.crc; + + pfile_info->size_filename = file_info64.size_filename; + pfile_info->size_file_extra = file_info64.size_file_extra; + pfile_info->size_file_comment = file_info64.size_file_comment; + + pfile_info->disk_num_start = file_info64.disk_num_start; + pfile_info->internal_fa = file_info64.internal_fa; + pfile_info->external_fa = file_info64.external_fa; + + pfile_info->tmu_date = file_info64.tmu_date, + + + pfile_info->compressed_size = (uLong)file_info64.compressed_size; + pfile_info->uncompressed_size = (uLong)file_info64.uncompressed_size; + + } + return err; +} +/* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem +*/ +extern int ZEXPORT unzGoToFirstFile (unzFile file) +{ + int err=UNZ_OK; + unz64_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + s->pos_in_central_dir=s->offset_central_dir; + s->num_file=0; + err=unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. +*/ +extern int ZEXPORT unzGoToNextFile (unzFile file) +{ + unz64_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ + if (s->num_file+1==s->gi.number_entry) + return UNZ_END_OF_LIST_OF_FILE; + + s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + + s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; + s->num_file++; + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + + +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found +*/ +extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity) +{ + unz64_s* s; + int err; + + /* We remember the 'current' position in the file so that we can jump + * back there if we fail. + */ + unz_file_info64 cur_file_infoSaved; + unz_file_info64_internal cur_file_info_internalSaved; + ZPOS64_T num_fileSaved; + ZPOS64_T pos_in_central_dirSaved; + + + if (file==NULL) + return UNZ_PARAMERROR; + + if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) + return UNZ_PARAMERROR; + + s=(unz64_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + /* Save the current state */ + num_fileSaved = s->num_file; + pos_in_central_dirSaved = s->pos_in_central_dir; + cur_file_infoSaved = s->cur_file_info; + cur_file_info_internalSaved = s->cur_file_info_internal; + + err = unzGoToFirstFile(file); + + while (err == UNZ_OK) + { + char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; + err = unzGetCurrentFileInfo64(file,NULL, + szCurrentFileName,sizeof(szCurrentFileName)-1, + NULL,0,NULL,0); + if (err == UNZ_OK) + { + if (unzStringFileNameCompare(szCurrentFileName, + szFileName,iCaseSensitivity)==0) + return UNZ_OK; + err = unzGoToNextFile(file); + } + } + + /* We failed, so restore the state of the 'current file' to where we + * were. + */ + s->num_file = num_fileSaved ; + s->pos_in_central_dir = pos_in_central_dirSaved ; + s->cur_file_info = cur_file_infoSaved; + s->cur_file_info_internal = cur_file_info_internalSaved; + return err; +} + + +/* +/////////////////////////////////////////// +// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) +// I need random access +// +// Further optimization could be realized by adding an ability +// to cache the directory in memory. The goal being a single +// comprehensive file read to put the file I need in a memory. +*/ + +/* +typedef struct unz_file_pos_s +{ + ZPOS64_T pos_in_zip_directory; // offset in file + ZPOS64_T num_of_file; // # of file +} unz_file_pos; +*/ + +extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos* file_pos) +{ + unz64_s* s; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + file_pos->pos_in_zip_directory = s->pos_in_central_dir; + file_pos->num_of_file = s->num_file; + + return UNZ_OK; +} + +extern int ZEXPORT unzGetFilePos( + unzFile file, + unz_file_pos* file_pos) +{ + unz64_file_pos file_pos64; + int err = unzGetFilePos64(file,&file_pos64); + if (err==UNZ_OK) + { + file_pos->pos_in_zip_directory = (uLong)file_pos64.pos_in_zip_directory; + file_pos->num_of_file = (uLong)file_pos64.num_of_file; + } + return err; +} + +extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos* file_pos) +{ + unz64_s* s; + int err; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + + /* jump to the right spot */ + s->pos_in_central_dir = file_pos->pos_in_zip_directory; + s->num_file = file_pos->num_of_file; + + /* set the current file */ + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + /* return results */ + s->current_file_ok = (err == UNZ_OK); + return err; +} + +extern int ZEXPORT unzGoToFilePos( + unzFile file, + unz_file_pos* file_pos) +{ + unz64_file_pos file_pos64; + if (file_pos == NULL) + return UNZ_PARAMERROR; + + file_pos64.pos_in_zip_directory = file_pos->pos_in_zip_directory; + file_pos64.num_of_file = file_pos->num_of_file; + return unzGoToFilePos64(file,&file_pos64); +} + +/* +// Unzip Helper Functions - should be here? +/////////////////////////////////////////// +*/ + +/* + Read the local header of the current zipfile + Check the coherency of the local header and info in the end of central + directory about this file + store in *piSizeVar the size of extra info in local header + (filename and size of extra field data) +*/ +local int unz64local_CheckCurrentFileCoherencyHeader (unz64_s* s, uInt* piSizeVar, + ZPOS64_T * poffset_local_extrafield, + uInt * psize_local_extrafield) +{ + uLong uMagic,uData,uFlags; + uLong size_filename; + uLong size_extra_field; + int err=UNZ_OK; + + *piSizeVar = 0; + *poffset_local_extrafield = 0; + *psize_local_extrafield = 0; + + if (ZSEEK64(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + + s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + + if (err==UNZ_OK) + { + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + err=UNZ_ERRNO; + else if (uMagic!=0x04034b50) + err=UNZ_BADZIPFILE; + } + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + err=UNZ_ERRNO; +/* + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) + err=UNZ_BADZIPFILE; +*/ + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) + err=UNZ_BADZIPFILE; + + if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) && +/* #ifdef HAVE_BZIP2 */ + (s->cur_file_info.compression_method!=Z_BZIP2ED) && +/* #endif */ + (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ + err=UNZ_ERRNO; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ + err=UNZ_ERRNO; + else if (uData != 0xFFFFFFFF && (err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ + err=UNZ_ERRNO; + else if (uData != 0xFFFFFFFF && (err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) + err=UNZ_BADZIPFILE; + + *piSizeVar += (uInt)size_filename; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) + err=UNZ_ERRNO; + *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + + SIZEZIPLOCALHEADER + size_filename; + *psize_local_extrafield = (uInt)size_extra_field; + + *piSizeVar += (uInt)size_extra_field; + + return err; +} + +/* + Open for reading data the current file in the zipfile. + If there is no error and the file is opened, the return value is UNZ_OK. +*/ +extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, + int* level, int raw, const char* password) +{ + int err=UNZ_OK; + uInt iSizeVar; + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + ZPOS64_T offset_local_extrafield; /* offset of the local extra field */ + uInt size_local_extrafield; /* size of the local extra field */ +# ifndef NOUNCRYPT + char source[12]; +# else + if (password != NULL) + return UNZ_PARAMERROR; +# endif + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + if (!s->current_file_ok) + return UNZ_PARAMERROR; + + if (s->pfile_in_zip_read != NULL) + unzCloseCurrentFile(file); + + if (unz64local_CheckCurrentFileCoherencyHeader(s,&iSizeVar, &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) + return UNZ_BADZIPFILE; + + pfile_in_zip_read_info = (file_in_zip64_read_info_s*)ALLOC(sizeof(file_in_zip64_read_info_s)); + if (pfile_in_zip_read_info==NULL) + return UNZ_INTERNALERROR; + + pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); + pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; + pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; + pfile_in_zip_read_info->pos_local_extrafield=0; + pfile_in_zip_read_info->raw=raw; + + if (pfile_in_zip_read_info->read_buffer==NULL) + { + TRYFREE(pfile_in_zip_read_info); + return UNZ_INTERNALERROR; + } + + pfile_in_zip_read_info->stream_initialised=0; + + if (method!=NULL) + *method = (int)s->cur_file_info.compression_method; + + if (level!=NULL) + { + *level = 6; + switch (s->cur_file_info.flag & 0x06) + { + case 6 : *level = 1; break; + case 4 : *level = 2; break; + case 2 : *level = 9; break; + } + } + + if ((s->cur_file_info.compression_method!=0) && +/* #ifdef HAVE_BZIP2 */ + (s->cur_file_info.compression_method!=Z_BZIP2ED) && +/* #endif */ + (s->cur_file_info.compression_method!=Z_DEFLATED)) + + err=UNZ_BADZIPFILE; + + pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; + pfile_in_zip_read_info->crc32=0; + pfile_in_zip_read_info->total_out_64=0; + pfile_in_zip_read_info->compression_method = s->cur_file_info.compression_method; + pfile_in_zip_read_info->filestream=s->filestream; + pfile_in_zip_read_info->z_filefunc=s->z_filefunc; + pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; + + pfile_in_zip_read_info->stream.total_out = 0; + + if ((s->cur_file_info.compression_method==Z_BZIP2ED) && (!raw)) + { +#ifdef HAVE_BZIP2 + pfile_in_zip_read_info->bstream.bzalloc = (void *(*) (void *, int, int))0; + pfile_in_zip_read_info->bstream.bzfree = (free_func)0; + pfile_in_zip_read_info->bstream.opaque = (voidpf)0; + pfile_in_zip_read_info->bstream.state = (voidpf)0; + + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; + pfile_in_zip_read_info->stream.zfree = (free_func)0; + pfile_in_zip_read_info->stream.opaque = (voidpf)0; + pfile_in_zip_read_info->stream.next_in = (voidpf)0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err=BZ2_bzDecompressInit(&pfile_in_zip_read_info->bstream, 0, 0); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised=Z_BZIP2ED; + else + { + TRYFREE(pfile_in_zip_read_info->read_buffer); + TRYFREE(pfile_in_zip_read_info); + return err; + } +#else + pfile_in_zip_read_info->raw=1; +#endif + } + else if ((s->cur_file_info.compression_method==Z_DEFLATED) && (!raw)) + { + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; + pfile_in_zip_read_info->stream.zfree = (free_func)0; + pfile_in_zip_read_info->stream.opaque = (voidpf)0; + pfile_in_zip_read_info->stream.next_in = 0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised=Z_DEFLATED; + else + { + TRYFREE(pfile_in_zip_read_info->read_buffer); + TRYFREE(pfile_in_zip_read_info); + return err; + } + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and + * return Z_STREAM_END. + * In unzip, i don't wait absolutely Z_STREAM_END because I known the + * size of both compressed and uncompressed data + */ + } + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size ; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size ; + + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + iSizeVar; + + pfile_in_zip_read_info->stream.avail_in = (uInt)0; + + s->pfile_in_zip_read = pfile_in_zip_read_info; + s->encrypted = 0; + +# ifndef NOUNCRYPT + if (password != NULL) + { + int i; + s->pcrc_32_tab = get_crc_table(); + init_keys(password,s->keys,s->pcrc_32_tab); + if (ZSEEK64(s->z_filefunc, s->filestream, + s->pfile_in_zip_read->pos_in_zipfile + + s->pfile_in_zip_read->byte_before_the_zipfile, + SEEK_SET)!=0) + return UNZ_INTERNALERROR; + if(ZREAD64(s->z_filefunc, s->filestream,source, 12)<12) + return UNZ_INTERNALERROR; + + for (i = 0; i<12; i++) + zdecode(s->keys,s->pcrc_32_tab,source[i]); + + s->pfile_in_zip_read->pos_in_zipfile+=12; + s->encrypted=1; + } +# endif + + + return UNZ_OK; +} + +extern int ZEXPORT unzOpenCurrentFile (unzFile file) +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); +} + +extern int ZEXPORT unzOpenCurrentFilePassword (unzFile file, const char* password) +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, password); +} + +extern int ZEXPORT unzOpenCurrentFile2 (unzFile file, int* method, int* level, int raw) +{ + return unzOpenCurrentFile3(file, method, level, raw, NULL); +} + +/** Addition for GDAL : START */ + +extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64( unzFile file) +{ + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + s=(unz64_s*)file; + if (file==NULL) + return 0; //UNZ_PARAMERROR; + pfile_in_zip_read_info=s->pfile_in_zip_read; + if (pfile_in_zip_read_info==NULL) + return 0; //UNZ_PARAMERROR; + return pfile_in_zip_read_info->pos_in_zipfile + + pfile_in_zip_read_info->byte_before_the_zipfile; +} + +/** Addition for GDAL : END */ + +/* + Read bytes from the current file. + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error + (UNZ_ERRNO for IO error, or zLib error for uncompress error) +*/ +extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) +{ + int err=UNZ_OK; + uInt iRead = 0; + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + + if (pfile_in_zip_read_info->read_buffer == NULL) + return UNZ_END_OF_LIST_OF_FILE; + if (len==0) + return 0; + + pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; + + pfile_in_zip_read_info->stream.avail_out = (uInt)len; + + if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && + (!(pfile_in_zip_read_info->raw))) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_uncompressed; + + if ((len>pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in) && + (pfile_in_zip_read_info->raw)) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in; + + while (pfile_in_zip_read_info->stream.avail_out>0) + { + if ((pfile_in_zip_read_info->stream.avail_in==0) && + (pfile_in_zip_read_info->rest_read_compressed>0)) + { + uInt uReadThis = UNZ_BUFSIZE; + if (pfile_in_zip_read_info->rest_read_compressedrest_read_compressed; + if (uReadThis == 0) + return UNZ_EOF; + if (ZSEEK64(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->pos_in_zipfile + + pfile_in_zip_read_info->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + if (ZREAD64(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->read_buffer, + uReadThis)!=uReadThis) + return UNZ_ERRNO; + + +# ifndef NOUNCRYPT + if(s->encrypted) + { + uInt i; + for(i=0;iread_buffer[i] = + zdecode(s->keys,s->pcrc_32_tab, + pfile_in_zip_read_info->read_buffer[i]); + } +# endif + + + pfile_in_zip_read_info->pos_in_zipfile += uReadThis; + + pfile_in_zip_read_info->rest_read_compressed-=uReadThis; + + pfile_in_zip_read_info->stream.next_in = + (Bytef*)pfile_in_zip_read_info->read_buffer; + pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; + } + + if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) + { + uInt uDoCopy,i ; + + if ((pfile_in_zip_read_info->stream.avail_in == 0) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + return (iRead==0) ? UNZ_EOF : (int)iRead; + + if (pfile_in_zip_read_info->stream.avail_out < + pfile_in_zip_read_info->stream.avail_in) + uDoCopy = pfile_in_zip_read_info->stream.avail_out ; + else + uDoCopy = pfile_in_zip_read_info->stream.avail_in ; + + for (i=0;istream.next_out+i) = + *(pfile_in_zip_read_info->stream.next_in+i); + + pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uDoCopy; + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, + pfile_in_zip_read_info->stream.next_out, + uDoCopy); + pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; + pfile_in_zip_read_info->stream.avail_in -= uDoCopy; + pfile_in_zip_read_info->stream.avail_out -= uDoCopy; + pfile_in_zip_read_info->stream.next_out += uDoCopy; + pfile_in_zip_read_info->stream.next_in += uDoCopy; + pfile_in_zip_read_info->stream.total_out += uDoCopy; + iRead += uDoCopy; + } + else if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED) + { +#ifdef HAVE_BZIP2 + uLong uTotalOutBefore,uTotalOutAfter; + const Bytef *bufBefore; + uLong uOutThis; + + pfile_in_zip_read_info->bstream.next_in = (char*)pfile_in_zip_read_info->stream.next_in; + pfile_in_zip_read_info->bstream.avail_in = pfile_in_zip_read_info->stream.avail_in; + pfile_in_zip_read_info->bstream.total_in_lo32 = pfile_in_zip_read_info->stream.total_in; + pfile_in_zip_read_info->bstream.total_in_hi32 = 0; + pfile_in_zip_read_info->bstream.next_out = (char*)pfile_in_zip_read_info->stream.next_out; + pfile_in_zip_read_info->bstream.avail_out = pfile_in_zip_read_info->stream.avail_out; + pfile_in_zip_read_info->bstream.total_out_lo32 = pfile_in_zip_read_info->stream.total_out; + pfile_in_zip_read_info->bstream.total_out_hi32 = 0; + + uTotalOutBefore = pfile_in_zip_read_info->bstream.total_out_lo32; + bufBefore = (const Bytef *)pfile_in_zip_read_info->bstream.next_out; + + err=BZ2_bzDecompress(&pfile_in_zip_read_info->bstream); + + uTotalOutAfter = pfile_in_zip_read_info->bstream.total_out_lo32; + uOutThis = uTotalOutAfter-uTotalOutBefore; + + pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,bufBefore, (uInt)(uOutThis)); + pfile_in_zip_read_info->rest_read_uncompressed -= uOutThis; + iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); + + pfile_in_zip_read_info->stream.next_in = (Bytef*)pfile_in_zip_read_info->bstream.next_in; + pfile_in_zip_read_info->stream.avail_in = pfile_in_zip_read_info->bstream.avail_in; + pfile_in_zip_read_info->stream.total_in = pfile_in_zip_read_info->bstream.total_in_lo32; + pfile_in_zip_read_info->stream.next_out = (Bytef*)pfile_in_zip_read_info->bstream.next_out; + pfile_in_zip_read_info->stream.avail_out = pfile_in_zip_read_info->bstream.avail_out; + pfile_in_zip_read_info->stream.total_out = pfile_in_zip_read_info->bstream.total_out_lo32; + + if (err==BZ_STREAM_END) + return (iRead==0) ? UNZ_EOF : iRead; + if (err!=BZ_OK) + break; +#endif + } // end Z_BZIP2ED + else + { + ZPOS64_T uTotalOutBefore,uTotalOutAfter; + const Bytef *bufBefore; + ZPOS64_T uOutThis; + int flush=Z_SYNC_FLUSH; + + uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; + bufBefore = pfile_in_zip_read_info->stream.next_out; + + /* + if ((pfile_in_zip_read_info->rest_read_uncompressed == + pfile_in_zip_read_info->stream.avail_out) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + flush = Z_FINISH; + */ + err=inflate(&pfile_in_zip_read_info->stream,flush); + + if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL)) + err = Z_DATA_ERROR; + + uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + /* Detect overflow, because z_stream.total_out is uLong (32 bits) */ + if (uTotalOutAftertotal_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; + + pfile_in_zip_read_info->crc32 = + crc32(pfile_in_zip_read_info->crc32,bufBefore, + (uInt)(uOutThis)); + + pfile_in_zip_read_info->rest_read_uncompressed -= + uOutThis; + + iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); + + if (err==Z_STREAM_END) + return (iRead==0) ? UNZ_EOF : (int)iRead; + if (err!=Z_OK) + break; + } + } + + if (err==Z_OK) + return (int)iRead; + return err; +} + + +/* + Give the current position in uncompressed data +*/ +extern z_off_t ZEXPORT unztell (unzFile file) +{ + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + return (z_off_t)pfile_in_zip_read_info->stream.total_out; +} + +extern ZPOS64_T ZEXPORT unztell64 (unzFile file) +{ + + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return (ZPOS64_T)-1; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return (ZPOS64_T)-1; + + return pfile_in_zip_read_info->total_out_64; +} + + +/* + return 1 if the end of file was reached, 0 elsewhere +*/ +extern int ZEXPORT unzeof (unzFile file) +{ + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + if (pfile_in_zip_read_info->rest_read_uncompressed == 0) + return 1; + else + return 0; +} + + + +/* +Read extra field from the current file (opened by unzOpenCurrentFile) +This is the local-header version of the extra field (sometimes, there is +more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field that can be read + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ +extern int ZEXPORT unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len) +{ + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + uInt read_now; + ZPOS64_T size_to_read; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + size_to_read = (pfile_in_zip_read_info->size_local_extrafield - + pfile_in_zip_read_info->pos_local_extrafield); + + if (buf==NULL) + return (int)size_to_read; + + if (len>size_to_read) + read_now = (uInt)size_to_read; + else + read_now = (uInt)len ; + + if (read_now==0) + return 0; + + if (ZSEEK64(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->offset_local_extrafield + + pfile_in_zip_read_info->pos_local_extrafield, + ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + if (ZREAD64(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + buf,read_now)!=read_now) + return UNZ_ERRNO; + + return (int)read_now; +} + +/* + Close the file in zip opened with unzOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ +extern int ZEXPORT unzCloseCurrentFile (unzFile file) +{ + int err=UNZ_OK; + + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + + if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && + (!pfile_in_zip_read_info->raw)) + { + if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) + err=UNZ_CRCERROR; + } + + + TRYFREE(pfile_in_zip_read_info->read_buffer); + pfile_in_zip_read_info->read_buffer = NULL; + if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED) + inflateEnd(&pfile_in_zip_read_info->stream); +#ifdef HAVE_BZIP2 + else if (pfile_in_zip_read_info->stream_initialised == Z_BZIP2ED) + BZ2_bzDecompressEnd(&pfile_in_zip_read_info->bstream); +#endif + + + pfile_in_zip_read_info->stream_initialised = 0; + TRYFREE(pfile_in_zip_read_info); + + s->pfile_in_zip_read=NULL; + + return err; +} + + +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ +extern int ZEXPORT unzGetGlobalComment (unzFile file, char * szComment, uLong uSizeBuf) +{ + unz64_s* s; + uLong uReadThis ; + if (file==NULL) + return (int)UNZ_PARAMERROR; + s=(unz64_s*)file; + + uReadThis = uSizeBuf; + if (uReadThis>s->gi.size_comment) + uReadThis = s->gi.size_comment; + + if (ZSEEK64(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + if (uReadThis>0) + { + *szComment='\0'; + if (ZREAD64(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) + return UNZ_ERRNO; + } + + if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) + *(szComment+s->gi.size_comment)='\0'; + return (int)uReadThis; +} + +/* Additions by RX '2004 */ +extern ZPOS64_T ZEXPORT unzGetOffset64(unzFile file) +{ + unz64_s* s; + + if (file==NULL) + return 0; //UNZ_PARAMERROR; + s=(unz64_s*)file; + if (!s->current_file_ok) + return 0; + if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) + if (s->num_file==s->gi.number_entry) + return 0; + return s->pos_in_central_dir; +} + +extern uLong ZEXPORT unzGetOffset (unzFile file) +{ + ZPOS64_T offset64; + + if (file==NULL) + return 0; //UNZ_PARAMERROR; + offset64 = unzGetOffset64(file); + return (uLong)offset64; +} + +extern int ZEXPORT unzSetOffset64(unzFile file, ZPOS64_T pos) +{ + unz64_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + + s->pos_in_central_dir = pos; + s->num_file = s->gi.number_entry; /* hack */ + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos) +{ + return unzSetOffset64(file,pos); +} diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h new file mode 100644 index 0000000..6f95e94 --- /dev/null +++ b/contrib/minizip/unzip.h @@ -0,0 +1,437 @@ +/* unzip.h -- IO for uncompress .zip files using zlib + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + --------------------------------------------------------------------------------- + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + --------------------------------------------------------------------------------- + + Changes + + See header of unzip64.c + +*/ + +#ifndef _unz64_H +#define _unz64_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#ifdef HAVE_BZIP2 +#include "bzlib.h" +#endif + +#define Z_BZIP2ED 12 + +#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagunzFile__ { int unused; } unzFile__; +typedef unzFile__ *unzFile; +#else +typedef voidp unzFile; +#endif + + +#define UNZ_OK (0) +#define UNZ_END_OF_LIST_OF_FILE (-100) +#define UNZ_ERRNO (Z_ERRNO) +#define UNZ_EOF (0) +#define UNZ_PARAMERROR (-102) +#define UNZ_BADZIPFILE (-103) +#define UNZ_INTERNALERROR (-104) +#define UNZ_CRCERROR (-105) + +/* tm_unz contain date/time info */ +typedef struct tm_unz_s +{ + int tm_sec; /* seconds after the minute - [0,59] */ + int tm_min; /* minutes after the hour - [0,59] */ + int tm_hour; /* hours since midnight - [0,23] */ + int tm_mday; /* day of the month - [1,31] */ + int tm_mon; /* months since January - [0,11] */ + int tm_year; /* years - [1980..2044] */ +} tm_unz; + +/* unz_global_info structure contain global data about the ZIPfile + These data comes from the end of central dir */ +typedef struct unz_global_info64_s +{ + ZPOS64_T number_entry; /* total number of entries in + the central dir on this disk */ + uLong size_comment; /* size of the global comment of the zipfile */ +} unz_global_info64; + +typedef struct unz_global_info_s +{ + uLong number_entry; /* total number of entries in + the central dir on this disk */ + uLong size_comment; /* size of the global comment of the zipfile */ +} unz_global_info; + +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_info64_s +{ + uLong version; /* version made by 2 bytes */ + uLong version_needed; /* version needed to extract 2 bytes */ + uLong flag; /* general purpose bit flag 2 bytes */ + uLong compression_method; /* compression method 2 bytes */ + uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ + uLong crc; /* crc-32 4 bytes */ + ZPOS64_T compressed_size; /* compressed size 8 bytes */ + ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */ + uLong size_filename; /* filename length 2 bytes */ + uLong size_file_extra; /* extra field length 2 bytes */ + uLong size_file_comment; /* file comment length 2 bytes */ + + uLong disk_num_start; /* disk number start 2 bytes */ + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ + + tm_unz tmu_date; +} unz_file_info64; + +typedef struct unz_file_info_s +{ + uLong version; /* version made by 2 bytes */ + uLong version_needed; /* version needed to extract 2 bytes */ + uLong flag; /* general purpose bit flag 2 bytes */ + uLong compression_method; /* compression method 2 bytes */ + uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ + uLong crc; /* crc-32 4 bytes */ + uLong compressed_size; /* compressed size 4 bytes */ + uLong uncompressed_size; /* uncompressed size 4 bytes */ + uLong size_filename; /* filename length 2 bytes */ + uLong size_file_extra; /* extra field length 2 bytes */ + uLong size_file_comment; /* file comment length 2 bytes */ + + uLong disk_num_start; /* disk number start 2 bytes */ + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ + + tm_unz tmu_date; +} unz_file_info; + +extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, + const char* fileName2, + int iCaseSensitivity)); +/* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) +*/ + + +extern unzFile ZEXPORT unzOpen OF((const char *path)); +extern unzFile ZEXPORT unzOpen64 OF((const void *path)); +/* + Open a Zip file. path contain the full pathname (by example, + on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer + "zlib/zlib113.zip". + If the zipfile cannot be opened (file don't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. + the "64" function take a const void* pointer, because the path is just the + value passed to the open64_file_func callback. + Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path + is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char* + does not describe the reality +*/ + + +extern unzFile ZEXPORT unzOpen2 OF((const char *path, + zlib_filefunc_def* pzlib_filefunc_def)); +/* + Open a Zip file, like unzOpen, but provide a set of file low level API + for read/write the zip file (see ioapi.h) +*/ + +extern unzFile ZEXPORT unzOpen2_64 OF((const void *path, + zlib_filefunc64_def* pzlib_filefunc_def)); +/* + Open a Zip file, like unz64Open, but provide a set of file low level API + for read/write the zip file (see ioapi.h) +*/ + +extern int ZEXPORT unzClose OF((unzFile file)); +/* + Close a ZipFile opened with unzOpen. + If there is files inside the .Zip opened with unzOpenCurrentFile (see later), + these files MUST be closed with unzCloseCurrentFile before call unzClose. + return UNZ_OK if there is no problem. */ + +extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, + unz_global_info *pglobal_info)); + +extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file, + unz_global_info64 *pglobal_info)); +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ + + +extern int ZEXPORT unzGetGlobalComment OF((unzFile file, + char *szComment, + uLong uSizeBuf)); +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ + + +/***************************************************************************/ +/* Unzip package allow you browse the directory of the zipfile */ + +extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); +/* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem +*/ + +extern int ZEXPORT unzGoToNextFile OF((unzFile file)); +/* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. +*/ + +extern int ZEXPORT unzLocateFile OF((unzFile file, + const char *szFileName, + int iCaseSensitivity)); +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found +*/ + + +/* ****************************************** */ +/* Ryan supplied functions */ +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; /* offset in zip file directory */ + uLong num_of_file; /* # of file */ +} unz_file_pos; + +extern int ZEXPORT unzGetFilePos( + unzFile file, + unz_file_pos* file_pos); + +extern int ZEXPORT unzGoToFilePos( + unzFile file, + unz_file_pos* file_pos); + +typedef struct unz64_file_pos_s +{ + ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */ + ZPOS64_T num_of_file; /* # of file */ +} unz64_file_pos; + +extern int ZEXPORT unzGetFilePos64( + unzFile file, + unz64_file_pos* file_pos); + +extern int ZEXPORT unzGoToFilePos64( + unzFile file, + const unz64_file_pos* file_pos); + +/* ****************************************** */ + +extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file, + unz_file_info64 *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); + +extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, + unz_file_info *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); +/* + Get Info about the current file + if pfile_info!=NULL, the *pfile_info structure will contain somes info about + the current file + if szFileName!=NULL, the filemane string will be copied in szFileName + (fileNameBufferSize is the size of the buffer) + if extraField!=NULL, the extra field information will be copied in extraField + (extraFieldBufferSize is the size of the buffer). + This is the Central-header version of the extra field + if szComment!=NULL, the comment string of the file will be copied in szComment + (commentBufferSize is the size of the buffer) +*/ + + +/** Addition for GDAL : START */ + +extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file)); + +/** Addition for GDAL : END */ + + +/***************************************************************************/ +/* for reading the content of the current zipfile, you can open it, read data + from it, and close it (you can close it before reading all the file) + */ + +extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); +/* + Open for reading data the current file in the zipfile. + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, + const char* password)); +/* + Open for reading data the current file in the zipfile. + password is a crypting password + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, + int* method, + int* level, + int raw)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + +extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, + int* method, + int* level, + int raw, + const char* password)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + + +extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); +/* + Close the file in zip opened with unzOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ + +extern int ZEXPORT unzReadCurrentFile OF((unzFile file, + voidp buf, + unsigned len)); +/* + Read bytes from the current file (opened by unzOpenCurrentFile) + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error + (UNZ_ERRNO for IO error, or zLib error for uncompress error) +*/ + +extern z_off_t ZEXPORT unztell OF((unzFile file)); + +extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file)); +/* + Give the current position in uncompressed data +*/ + +extern int ZEXPORT unzeof OF((unzFile file)); +/* + return 1 if the end of file was reached, 0 elsewhere +*/ + +extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, + voidp buf, + unsigned len)); +/* + Read extra field from the current file (opened by unzOpenCurrentFile) + This is the local-header version of the extra field (sometimes, there is + more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ + +/***************************************************************************/ + +/* Get the current file offset */ +extern ZPOS64_T ZEXPORT unzGetOffset64 (unzFile file); +extern uLong ZEXPORT unzGetOffset (unzFile file); + +/* Set the current file offset */ +extern int ZEXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos); +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); + + + +#ifdef __cplusplus +} +#endif + +#endif /* _unz64_H */ diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c new file mode 100644 index 0000000..66d693f --- /dev/null +++ b/contrib/minizip/zip.c @@ -0,0 +1,2002 @@ +/* zip.c -- IO on .zip files using zlib + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + Changes + Oct-2009 - Mathias Svensson - Remove old C style function prototypes + Oct-2009 - Mathias Svensson - Added Zip64 Support when creating new file archives + Oct-2009 - Mathias Svensson - Did some code cleanup and refactoring to get better overview of some functions. + Oct-2009 - Mathias Svensson - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data + It is used when recreting zip archive with RAW when deleting items from a zip. + ZIP64 data is automatically added to items that needs it, and existing ZIP64 data need to be removed. + Oct-2009 - Mathias Svensson - Added support for BZIP2 as compression mode (bzip2 lib is required) + Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer + +*/ + + +#include +#include +#include +#include +#include "zlib.h" +#include "zip.h" + +#ifdef STDC +# include +# include +# include +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + +#ifndef VERSIONMADEBY +# define VERSIONMADEBY (0x0) /* platform depedent */ +#endif + +#ifndef Z_BUFSIZE +#define Z_BUFSIZE (64*1024) //(16384) +#endif + +#ifndef Z_MAXFILENAMEINZIP +#define Z_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) {if (p) free(p);} +#endif + +/* +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) +*/ + +/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ + + +// NOT sure that this work on ALL platform +#define MAKEULONG64(a, b) ((ZPOS64_T)(((unsigned long)(a)) | ((ZPOS64_T)((unsigned long)(b))) << 32)) + +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif + +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + +#ifndef DEF_MEM_LEVEL +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif +#endif +const char zip_copyright[] =" zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; + + +#define SIZEDATA_INDATABLOCK (4096-(4*4)) + +#define LOCALHEADERMAGIC (0x04034b50) +#define CENTRALHEADERMAGIC (0x02014b50) +#define ENDHEADERMAGIC (0x06054b50) +#define ZIP64ENDHEADERMAGIC (0x6064b50) +#define ZIP64ENDLOCHEADERMAGIC (0x7064b50) + +#define FLAG_LOCALHEADER_OFFSET (0x06) +#define CRC_LOCALHEADER_OFFSET (0x0e) + +#define SIZECENTRALHEADER (0x2e) /* 46 */ + +typedef struct linkedlist_datablock_internal_s +{ + struct linkedlist_datablock_internal_s* next_datablock; + uLong avail_in_this_block; + uLong filled_in_this_block; + uLong unused; /* for future use and alignment */ + unsigned char data[SIZEDATA_INDATABLOCK]; +} linkedlist_datablock_internal; + +typedef struct linkedlist_data_s +{ + linkedlist_datablock_internal* first_block; + linkedlist_datablock_internal* last_block; +} linkedlist_data; + + +typedef struct +{ + z_stream stream; /* zLib stream structure for inflate */ +#ifdef HAVE_BZIP2 + bz_stream bstream; /* bzLib stream structure for bziped */ +#endif + + int stream_initialised; /* 1 is stream is initialised */ + uInt pos_in_buffered_data; /* last written byte in buffered_data */ + + ZPOS64_T pos_local_header; /* offset of the local header of the file + currenty writing */ + char* central_header; /* central header data for the current file */ + uLong size_centralExtra; + uLong size_centralheader; /* size of the central header for cur file */ + uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ + uLong flag; /* flag of the file currently writing */ + + int method; /* compression method of file currenty wr.*/ + int raw; /* 1 for directly writing raw data */ + Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ + uLong dosDate; + uLong crc32; + int encrypt; + int zip64; /* Add ZIP64 extened information in the extra field */ + ZPOS64_T pos_zip64extrainfo; + ZPOS64_T totalCompressedData; + ZPOS64_T totalUncompressedData; +#ifndef NOCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const z_crc_t* pcrc_32_tab; + unsigned crypt_header_size; +#endif +} curfile64_info; + +typedef struct +{ + zlib_filefunc64_32_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + linkedlist_data central_dir;/* datablock with central dir in construction*/ + int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ + curfile64_info ci; /* info on the file curretly writing */ + + ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ + ZPOS64_T add_position_when_writing_offset; + ZPOS64_T number_entry; + +#ifndef NO_ADDFILEINEXISTINGZIP + char *globalcomment; +#endif + +} zip64_internal; + + +#ifndef NOCRYPT +#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED +#include "crypt.h" +#endif + +local linkedlist_datablock_internal* allocate_new_datablock() +{ + linkedlist_datablock_internal* ldi; + ldi = (linkedlist_datablock_internal*) + ALLOC(sizeof(linkedlist_datablock_internal)); + if (ldi!=NULL) + { + ldi->next_datablock = NULL ; + ldi->filled_in_this_block = 0 ; + ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; + } + return ldi; +} + +local void free_datablock(linkedlist_datablock_internal* ldi) +{ + while (ldi!=NULL) + { + linkedlist_datablock_internal* ldinext = ldi->next_datablock; + TRYFREE(ldi); + ldi = ldinext; + } +} + +local void init_linkedlist(linkedlist_data* ll) +{ + ll->first_block = ll->last_block = NULL; +} + +local void free_linkedlist(linkedlist_data* ll) +{ + free_datablock(ll->first_block); + ll->first_block = ll->last_block = NULL; +} + + +local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) +{ + linkedlist_datablock_internal* ldi; + const unsigned char* from_copy; + + if (ll==NULL) + return ZIP_INTERNALERROR; + + if (ll->last_block == NULL) + { + ll->first_block = ll->last_block = allocate_new_datablock(); + if (ll->first_block == NULL) + return ZIP_INTERNALERROR; + } + + ldi = ll->last_block; + from_copy = (unsigned char*)buf; + + while (len>0) + { + uInt copy_this; + uInt i; + unsigned char* to_copy; + + if (ldi->avail_in_this_block==0) + { + ldi->next_datablock = allocate_new_datablock(); + if (ldi->next_datablock == NULL) + return ZIP_INTERNALERROR; + ldi = ldi->next_datablock ; + ll->last_block = ldi; + } + + if (ldi->avail_in_this_block < len) + copy_this = (uInt)ldi->avail_in_this_block; + else + copy_this = (uInt)len; + + to_copy = &(ldi->data[ldi->filled_in_this_block]); + + for (i=0;ifilled_in_this_block += copy_this; + ldi->avail_in_this_block -= copy_this; + from_copy += copy_this ; + len -= copy_this; + } + return ZIP_OK; +} + + + +/****************************************************************************/ + +#ifndef NO_ADDFILEINEXISTINGZIP +/* =========================================================================== + Inputs a long in LSB order to the given file + nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T) +*/ + +local int zip64local_putValue OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte)); +local int zip64local_putValue (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte) +{ + unsigned char buf[8]; + int n; + for (n = 0; n < nbByte; n++) + { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + if (x != 0) + { /* data overflow - hack for ZIP64 (X Roche) */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } + + if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,(uLong)nbByte)!=(uLong)nbByte) + return ZIP_ERRNO; + else + return ZIP_OK; +} + +local void zip64local_putValue_inmemory OF((void* dest, ZPOS64_T x, int nbByte)); +local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte) +{ + unsigned char* buf=(unsigned char*)dest; + int n; + for (n = 0; n < nbByte; n++) { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + + if (x != 0) + { /* data overflow - hack for ZIP64 */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } +} + +/****************************************************************************/ + + +local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) +{ + uLong year = (uLong)ptm->tm_year; + if (year>=1980) + year-=1980; + else if (year>=80) + year-=80; + return + (uLong) (((uLong)(ptm->tm_mday) + (32 * (uLong)(ptm->tm_mon+1)) + (512 * year)) << 16) | + (((uLong)ptm->tm_sec/2) + (32 * (uLong)ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); +} + + +/****************************************************************************/ + +local int zip64local_getByte OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi)); + +local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def,voidpf filestream,int* pi) +{ + unsigned char c; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; + return ZIP_OK; + } + else + { + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return ZIP_ERRNO; + else + return ZIP_EOF; + } +} + + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets +*/ +local int zip64local_getShort OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); + +local int zip64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) +{ + uLong x ; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int zip64local_getLong OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); + +local int zip64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) +{ + uLong x ; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int zip64local_getLong64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX)); + + +local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) +{ + ZPOS64_T x; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (ZPOS64_T)i; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<8; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<16; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<24; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<32; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<40; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<48; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<56; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + + return err; +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#endif +/* + Locate the Central directory of a zipfile (at the end, just before + the global comment) +*/ +local ZPOS64_T zip64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); + +local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) +{ + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} + +/* +Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before +the global comment) +*/ +local ZPOS64_T zip64local_SearchCentralDir64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); + +local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) +{ + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; + uLong uL; + ZPOS64_T relativeOffset; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + { + // Signature "0x07064b50" Zip64 end of central directory locater + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + } + + if (uPosFound!=0) + break; + } + + TRYFREE(buf); + if (uPosFound == 0) + return 0; + + /* Zip64 end of central directory locator */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature, already checked */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + + /* number of the disk with the start of the zip64 end of central directory */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + if (uL != 0) + return 0; + + /* relative offset of the zip64 end of central directory record */ + if (zip64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=ZIP_OK) + return 0; + + /* total number of disks */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + if (uL != 1) + return 0; + + /* Goto Zip64 end of central directory record */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + + if (uL != 0x06064b50) // signature of 'Zip64 end of central directory' + return 0; + + return relativeOffset; +} + +local int LoadCentralDirectoryRecord(zip64_internal* pziinit) +{ + int err=ZIP_OK; + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + + ZPOS64_T size_central_dir; /* size of the central directory */ + ZPOS64_T offset_central_dir; /* offset of start of central directory */ + ZPOS64_T central_pos; + uLong uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + ZPOS64_T number_entry; + ZPOS64_T number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + uLong VersionMadeBy; + uLong VersionNeeded; + uLong size_comment; + + int hasZIP64Record = 0; + + // check first if we find a ZIP64 record + central_pos = zip64local_SearchCentralDir64(&pziinit->z_filefunc,pziinit->filestream); + if(central_pos > 0) + { + hasZIP64Record = 1; + } + else if(central_pos == 0) + { + central_pos = zip64local_SearchCentralDir(&pziinit->z_filefunc,pziinit->filestream); + } + +/* disable to allow appending to empty ZIP archive + if (central_pos==0) + err=ZIP_ERRNO; +*/ + + if(hasZIP64Record) + { + ZPOS64_T sizeEndOfCentralDirectory; + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* size of zip64 end of central directory record */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &sizeEndOfCentralDirectory)!=ZIP_OK) + err=ZIP_ERRNO; + + /* version made by */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionMadeBy)!=ZIP_OK) + err=ZIP_ERRNO; + + /* version needed to extract */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionNeeded)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central directory on this disk */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&number_entry_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&size_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&offset_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + // TODO.. + // read the comment from the standard central header. + size_comment = 0; + } + else + { + // Read End of central Directory info + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir on this disk */ + number_entry = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + number_entry = uL; + + /* total number of entries in the central dir */ + number_entry_CD = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + number_entry_CD = uL; + + if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + size_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + size_central_dir = uL; + + /* offset of start of central directory with respect to the starting disk number */ + offset_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + offset_central_dir = uL; + + + /* zipfile global comment length */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &size_comment)!=ZIP_OK) + err=ZIP_ERRNO; + } + + if ((central_posz_filefunc, pziinit->filestream); + return ZIP_ERRNO; + } + + if (size_comment>0) + { + pziinit->globalcomment = (char*)ALLOC(size_comment+1); + if (pziinit->globalcomment) + { + size_comment = ZREAD64(pziinit->z_filefunc, pziinit->filestream, pziinit->globalcomment,size_comment); + pziinit->globalcomment[size_comment]=0; + } + } + + byte_before_the_zipfile = central_pos - (offset_central_dir+size_central_dir); + pziinit->add_position_when_writing_offset = byte_before_the_zipfile; + + { + ZPOS64_T size_central_dir_to_read = size_central_dir; + size_t buf_size = SIZEDATA_INDATABLOCK; + void* buf_read = (void*)ALLOC(buf_size); + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + while ((size_central_dir_to_read>0) && (err==ZIP_OK)) + { + ZPOS64_T read_this = SIZEDATA_INDATABLOCK; + if (read_this > size_central_dir_to_read) + read_this = size_central_dir_to_read; + + if (ZREAD64(pziinit->z_filefunc, pziinit->filestream,buf_read,(uLong)read_this) != read_this) + err=ZIP_ERRNO; + + if (err==ZIP_OK) + err = add_data_in_datablock(&pziinit->central_dir,buf_read, (uLong)read_this); + + size_central_dir_to_read-=read_this; + } + TRYFREE(buf_read); + } + pziinit->begin_pos = byte_before_the_zipfile; + pziinit->number_entry = number_entry_CD; + + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + return err; +} + + +#endif /* !NO_ADDFILEINEXISTINGZIP*/ + + +/************************************************************/ +extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) +{ + zip64_internal ziinit; + zip64_internal* zi; + int err=ZIP_OK; + + ziinit.z_filefunc.zseek32_file = NULL; + ziinit.z_filefunc.ztell32_file = NULL; + if (pzlib_filefunc64_32_def==NULL) + fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); + else + ziinit.z_filefunc = *pzlib_filefunc64_32_def; + + ziinit.filestream = ZOPEN64(ziinit.z_filefunc, + pathname, + (append == APPEND_STATUS_CREATE) ? + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); + + if (ziinit.filestream == NULL) + return NULL; + + if (append == APPEND_STATUS_CREATEAFTER) + ZSEEK64(ziinit.z_filefunc,ziinit.filestream,0,SEEK_END); + + ziinit.begin_pos = ZTELL64(ziinit.z_filefunc,ziinit.filestream); + ziinit.in_opened_file_inzip = 0; + ziinit.ci.stream_initialised = 0; + ziinit.number_entry = 0; + ziinit.add_position_when_writing_offset = 0; + init_linkedlist(&(ziinit.central_dir)); + + + + zi = (zip64_internal*)ALLOC(sizeof(zip64_internal)); + if (zi==NULL) + { + ZCLOSE64(ziinit.z_filefunc,ziinit.filestream); + return NULL; + } + + /* now we add file in a zipfile */ +# ifndef NO_ADDFILEINEXISTINGZIP + ziinit.globalcomment = NULL; + if (append == APPEND_STATUS_ADDINZIP) + { + // Read and Cache Central Directory Records + err = LoadCentralDirectoryRecord(&ziinit); + } + + if (globalcomment) + { + *globalcomment = ziinit.globalcomment; + } +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + + if (err != ZIP_OK) + { +# ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(ziinit.globalcomment); +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + TRYFREE(zi); + return NULL; + } + else + { + *zi = ziinit; + return (zipFile)zi; + } +} + +extern zipFile ZEXPORT zipOpen2 (const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) +{ + if (pzlib_filefunc32_def != NULL) + { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill,pzlib_filefunc32_def); + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); +} + +extern zipFile ZEXPORT zipOpen2_64 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) +{ + if (pzlib_filefunc_def != NULL) + { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; + zlib_filefunc64_32_def_fill.ztell32_file = NULL; + zlib_filefunc64_32_def_fill.zseek32_file = NULL; + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); +} + + + +extern zipFile ZEXPORT zipOpen (const char* pathname, int append) +{ + return zipOpen3((const void*)pathname,append,NULL,NULL); +} + +extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append) +{ + return zipOpen3(pathname,append,NULL,NULL); +} + +local int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) +{ + /* write the local header */ + int err; + uInt size_filename = (uInt)strlen(filename); + uInt size_extrafield = size_extrafield_local; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC, 4); + + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);/* version needed to extract */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); + + // CRC / Compressed size / Uncompressed size will be filled in later and rewritten later + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* compressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ + } + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* uncompressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); + + if(zi->ci.zip64) + { + size_extrafield += 20; + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield,2); + + if ((err==ZIP_OK) && (size_filename > 0)) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) + err = ZIP_ERRNO; + } + + if ((err==ZIP_OK) && (size_extrafield_local > 0)) + { + if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local) + err = ZIP_ERRNO; + } + + + if ((err==ZIP_OK) && (zi->ci.zip64)) + { + // write the Zip64 extended info + short HeaderID = 1; + short DataSize = 16; + ZPOS64_T CompressedSize = 0; + ZPOS64_T UncompressedSize = 0; + + // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file) + zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)HeaderID,2); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)DataSize,2); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8); + } + + return err; +} + +/* + NOTE. + When writing RAW the ZIP64 extended information in extrafield_local and extrafield_global needs to be stripped + before calling this function it can be done with zipRemoveExtraInfoBlock + + It is not done here because then we need to realloc a new buffer since parameters are 'const' and I want to minimize + unnecessary allocations. + */ +extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase, int zip64) +{ + zip64_internal* zi; + uInt size_filename; + uInt size_comment; + uInt i; + int err = ZIP_OK; + +# ifdef NOCRYPT + (crcForCrypting); + if (password != NULL) + return ZIP_PARAMERROR; +# endif + + if (file == NULL) + return ZIP_PARAMERROR; + +#ifdef HAVE_BZIP2 + if ((method!=0) && (method!=Z_DEFLATED) && (method!=Z_BZIP2ED)) + return ZIP_PARAMERROR; +#else + if ((method!=0) && (method!=Z_DEFLATED)) + return ZIP_PARAMERROR; +#endif + + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + if (err != ZIP_OK) + return err; + } + + if (filename==NULL) + filename="-"; + + if (comment==NULL) + size_comment = 0; + else + size_comment = (uInt)strlen(comment); + + size_filename = (uInt)strlen(filename); + + if (zipfi == NULL) + zi->ci.dosDate = 0; + else + { + if (zipfi->dosDate != 0) + zi->ci.dosDate = zipfi->dosDate; + else + zi->ci.dosDate = zip64local_TmzDateToDosDate(&zipfi->tmz_date); + } + + zi->ci.flag = flagBase; + if ((level==8) || (level==9)) + zi->ci.flag |= 2; + if (level==2) + zi->ci.flag |= 4; + if (level==1) + zi->ci.flag |= 6; + if (password != NULL) + zi->ci.flag |= 1; + + zi->ci.crc32 = 0; + zi->ci.method = method; + zi->ci.encrypt = 0; + zi->ci.stream_initialised = 0; + zi->ci.pos_in_buffered_data = 0; + zi->ci.raw = raw; + zi->ci.pos_local_header = ZTELL64(zi->z_filefunc,zi->filestream); + + zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global + size_comment; + zi->ci.size_centralExtraFree = 32; // Extra space we have reserved in case we need to add ZIP64 extra info data + + zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader + zi->ci.size_centralExtraFree); + + zi->ci.size_centralExtra = size_extrafield_global; + zip64local_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); + /* version info */ + zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)versionMadeBy,2); + zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); + zip64local_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); + zip64local_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); + zip64local_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); + zip64local_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ + zip64local_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ + zip64local_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ + zip64local_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); + zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); + zip64local_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); + zip64local_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ + + if (zipfi==NULL) + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); + else + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); + + if (zipfi==NULL) + zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); + else + zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); + + if(zi->ci.pos_local_header >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)0xffffffff,4); + else + zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header - zi->add_position_when_writing_offset,4); + + for (i=0;ici.central_header+SIZECENTRALHEADER+i) = *(filename+i); + + for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+i) = + *(((const char*)extrafield_global)+i); + + for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+ + size_extrafield_global+i) = *(comment+i); + if (zi->ci.central_header == NULL) + return ZIP_INTERNALERROR; + + zi->ci.zip64 = zip64; + zi->ci.totalCompressedData = 0; + zi->ci.totalUncompressedData = 0; + zi->ci.pos_zip64extrainfo = 0; + + err = Write_LocalFileHeader(zi, filename, size_extrafield_local, extrafield_local); + +#ifdef HAVE_BZIP2 + zi->ci.bstream.avail_in = (uInt)0; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + zi->ci.bstream.total_in_hi32 = 0; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_out_hi32 = 0; + zi->ci.bstream.total_out_lo32 = 0; +#endif + + zi->ci.stream.avail_in = (uInt)0; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + zi->ci.stream.total_in = 0; + zi->ci.stream.total_out = 0; + zi->ci.stream.data_type = Z_BINARY; + +#ifdef HAVE_BZIP2 + if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED || zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) +#else + if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) +#endif + { + if(zi->ci.method == Z_DEFLATED) + { + zi->ci.stream.zalloc = (alloc_func)0; + zi->ci.stream.zfree = (free_func)0; + zi->ci.stream.opaque = (voidpf)0; + + if (windowBits>0) + windowBits = -windowBits; + + err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy); + + if (err==Z_OK) + zi->ci.stream_initialised = Z_DEFLATED; + } + else if(zi->ci.method == Z_BZIP2ED) + { +#ifdef HAVE_BZIP2 + // Init BZip stuff here + zi->ci.bstream.bzalloc = 0; + zi->ci.bstream.bzfree = 0; + zi->ci.bstream.opaque = (voidpf)0; + + err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0,35); + if(err == BZ_OK) + zi->ci.stream_initialised = Z_BZIP2ED; +#endif + } + + } + +# ifndef NOCRYPT + zi->ci.crypt_header_size = 0; + if ((err==Z_OK) && (password != NULL)) + { + unsigned char bufHead[RAND_HEAD_LEN]; + unsigned int sizeHead; + zi->ci.encrypt = 1; + zi->ci.pcrc_32_tab = get_crc_table(); + /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ + + sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); + zi->ci.crypt_header_size = sizeHead; + + if (ZWRITE64(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) + err = ZIP_ERRNO; + } +# endif + + if (err==Z_OK) + zi->in_opened_file_inzip = 1; + return err; +} + +extern int ZEXPORT zipOpenNewFileInZip4 (zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, versionMadeBy, flagBase, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip3 (zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, int zip64) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, int zip64) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int zip64) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip (zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level) +{ + return zipOpenNewFileInZip4_64 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); +} + +local int zip64FlushWriteBuffer(zip64_internal* zi) +{ + int err=ZIP_OK; + + if (zi->ci.encrypt != 0) + { +#ifndef NOCRYPT + uInt i; + int t; + for (i=0;ici.pos_in_buffered_data;i++) + zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, zi->ci.buffered_data[i],t); +#endif + } + + if (ZWRITE64(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) != zi->ci.pos_in_buffered_data) + err = ZIP_ERRNO; + + zi->ci.totalCompressedData += zi->ci.pos_in_buffered_data; + +#ifdef HAVE_BZIP2 + if(zi->ci.method == Z_BZIP2ED) + { + zi->ci.totalUncompressedData += zi->ci.bstream.total_in_lo32; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_in_hi32 = 0; + } + else +#endif + { + zi->ci.totalUncompressedData += zi->ci.stream.total_in; + zi->ci.stream.total_in = 0; + } + + + zi->ci.pos_in_buffered_data = 0; + + return err; +} + +extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned int len) +{ + zip64_internal* zi; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + + zi->ci.crc32 = crc32(zi->ci.crc32,buf,(uInt)len); + +#ifdef HAVE_BZIP2 + if(zi->ci.method == Z_BZIP2ED && (!zi->ci.raw)) + { + zi->ci.bstream.next_in = (void*)buf; + zi->ci.bstream.avail_in = len; + err = BZ_RUN_OK; + + while ((err==BZ_RUN_OK) && (zi->ci.bstream.avail_in>0)) + { + if (zi->ci.bstream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + } + + + if(err != BZ_RUN_OK) + break; + + if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) + { + uLong uTotalOutBefore_lo = zi->ci.bstream.total_out_lo32; +// uLong uTotalOutBefore_hi = zi->ci.bstream.total_out_hi32; + err=BZ2_bzCompress(&zi->ci.bstream, BZ_RUN); + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore_lo) ; + } + } + + if(err == BZ_RUN_OK) + err = ZIP_OK; + } + else +#endif + { + zi->ci.stream.next_in = (Bytef*)buf; + zi->ci.stream.avail_in = len; + + while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) + { + if (zi->ci.stream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + + + if(err != ZIP_OK) + break; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + uLong uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_NO_FLUSH); + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + } + else + { + uInt copy_this,i; + if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) + copy_this = zi->ci.stream.avail_in; + else + copy_this = zi->ci.stream.avail_out; + + for (i = 0; i < copy_this; i++) + *(((char*)zi->ci.stream.next_out)+i) = + *(((const char*)zi->ci.stream.next_in)+i); + { + zi->ci.stream.avail_in -= copy_this; + zi->ci.stream.avail_out-= copy_this; + zi->ci.stream.next_in+= copy_this; + zi->ci.stream.next_out+= copy_this; + zi->ci.stream.total_in+= copy_this; + zi->ci.stream.total_out+= copy_this; + zi->ci.pos_in_buffered_data += copy_this; + } + } + }// while(...) + } + + return err; +} + +extern int ZEXPORT zipCloseFileInZipRaw (zipFile file, uLong uncompressed_size, uLong crc32) +{ + return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32); +} + +extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_size, uLong crc32) +{ + zip64_internal* zi; + ZPOS64_T compressed_size; + uLong invalidValue = 0xffffffff; + unsigned datasize = 0; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + zi->ci.stream.avail_in = 0; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + while (err==ZIP_OK) + { + uLong uTotalOutBefore; + if (zi->ci.stream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_FINISH); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + } + } + else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) + { +#ifdef HAVE_BZIP2 + err = BZ_FINISH_OK; + while (err==BZ_FINISH_OK) + { + uLong uTotalOutBefore; + if (zi->ci.bstream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.bstream.total_out_lo32; + err=BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH); + if(err == BZ_STREAM_END) + err = Z_STREAM_END; + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore); + } + + if(err == BZ_FINISH_OK) + err = ZIP_OK; +#endif + } + + if (err==Z_STREAM_END) + err=ZIP_OK; /* this is normal */ + + if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) + { + if (zip64FlushWriteBuffer(zi)==ZIP_ERRNO) + err = ZIP_ERRNO; + } + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + int tmp_err = deflateEnd(&zi->ci.stream); + if (err == ZIP_OK) + err = tmp_err; + zi->ci.stream_initialised = 0; + } +#ifdef HAVE_BZIP2 + else if((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) + { + int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream); + if (err==ZIP_OK) + err = tmperr; + zi->ci.stream_initialised = 0; + } +#endif + + if (!zi->ci.raw) + { + crc32 = (uLong)zi->ci.crc32; + uncompressed_size = zi->ci.totalUncompressedData; + } + compressed_size = zi->ci.totalCompressedData; + +# ifndef NOCRYPT + compressed_size += zi->ci.crypt_header_size; +# endif + + // update Current Item crc and sizes, + if(compressed_size >= 0xffffffff || uncompressed_size >= 0xffffffff || zi->ci.pos_local_header >= 0xffffffff) + { + /*version Made by*/ + zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)45,2); + /*version needed*/ + zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)45,2); + + } + + zip64local_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ + + + if(compressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+20, invalidValue,4); /*compr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header+20, compressed_size,4); /*compr size*/ + + /// set internal file attributes field + if (zi->ci.stream.data_type == Z_ASCII) + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); + + if(uncompressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+24, invalidValue,4); /*uncompr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header+24, uncompressed_size,4); /*uncompr size*/ + + // Add ZIP64 extra info field for uncompressed size + if(uncompressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for compressed size + if(compressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for relative offset to local file header of current file + if(zi->ci.pos_local_header >= 0xffffffff) + datasize += 8; + + if(datasize > 0) + { + char* p = NULL; + + if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree) + { + // we can not write more data to the buffer that we have room for. + return ZIP_BADZIPFILE; + } + + p = zi->ci.central_header + zi->ci.size_centralheader; + + // Add Extra Information Header for 'ZIP64 information' + zip64local_putValue_inmemory(p, 0x0001, 2); // HeaderID + p += 2; + zip64local_putValue_inmemory(p, datasize, 2); // DataSize + p += 2; + + if(uncompressed_size >= 0xffffffff) + { + zip64local_putValue_inmemory(p, uncompressed_size, 8); + p += 8; + } + + if(compressed_size >= 0xffffffff) + { + zip64local_putValue_inmemory(p, compressed_size, 8); + p += 8; + } + + if(zi->ci.pos_local_header >= 0xffffffff) + { + zip64local_putValue_inmemory(p, zi->ci.pos_local_header, 8); + p += 8; + } + + // Update how much extra free space we got in the memory buffer + // and increase the centralheader size so the new ZIP64 fields are included + // ( 4 below is the size of HeaderID and DataSize field ) + zi->ci.size_centralExtraFree -= datasize + 4; + zi->ci.size_centralheader += datasize + 4; + + // Update the extra info size field + zi->ci.size_centralExtra += datasize + 4; + zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)zi->ci.size_centralExtra,2); + } + + if (err==ZIP_OK) + err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, (uLong)zi->ci.size_centralheader); + + free(zi->ci.central_header); + + if (err==ZIP_OK) + { + // Update the LocalFileHeader with the new values. + + ZPOS64_T cur_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); + + if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ + + if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff ) + { + if(zi->ci.pos_zip64extrainfo > 0) + { + // Update the size in the ZIP64 extended field. + if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_zip64extrainfo + 4,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + + if (err==ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8); + + if (err==ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8); + } + else + err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal + } + else + { + if (err==ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); + + if (err==ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); + } + + if (ZSEEK64(zi->z_filefunc,zi->filestream, cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + } + + zi->number_entry ++; + zi->in_opened_file_inzip = 0; + + return err; +} + +extern int ZEXPORT zipCloseFileInZip (zipFile file) +{ + return zipCloseFileInZipRaw (file,0,0); +} + +local int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) +{ + int err = ZIP_OK; + ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDLOCHEADERMAGIC,4); + + /*num disks*/ + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + /*relative offset*/ + if (err==ZIP_OK) /* Relative offset to the Zip64EndOfCentralDirectory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, pos,8); + + /*total disks*/ /* Do not support spawning of disk so always say 1 here*/ + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)1,4); + + return err; +} + +local int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) +{ + int err = ZIP_OK; + + uLong Zip64DataSize = 44; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* size of this 'zip64 end of central directory' */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)Zip64DataSize,8); // why ZPOS64_T of this ? + + if (err==ZIP_OK) /* version made by */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + + if (err==ZIP_OK) /* version needed */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + + if (err==ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + + if (err==ZIP_OK) /* total number of entries in the central dir */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + + if (err==ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)size_centraldir,8); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (ZPOS64_T)pos,8); + } + return err; +} +local int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) +{ + int err = ZIP_OK; + + /*signature*/ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ + { + { + if(zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + } + } + + if (err==ZIP_OK) /* total number of entries in the central dir */ + { + if(zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + } + + if (err==ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + if(pos >= 0xffffffff) + { + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4); + } + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writing_offset),4); + } + + return err; +} + +local int Write_GlobalComment(zip64_internal* zi, const char* global_comment) +{ + int err = ZIP_OK; + uInt size_global_comment = 0; + + if(global_comment != NULL) + size_global_comment = (uInt)strlen(global_comment); + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); + + if (err == ZIP_OK && size_global_comment > 0) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream, global_comment, size_global_comment) != size_global_comment) + err = ZIP_ERRNO; + } + return err; +} + +extern int ZEXPORT zipClose (zipFile file, const char* global_comment) +{ + zip64_internal* zi; + int err = 0; + uLong size_centraldir = 0; + ZPOS64_T centraldir_pos_inzip; + ZPOS64_T pos; + + if (file == NULL) + return ZIP_PARAMERROR; + + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + } + +#ifndef NO_ADDFILEINEXISTINGZIP + if (global_comment==NULL) + global_comment = zi->globalcomment; +#endif + + centraldir_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); + + if (err==ZIP_OK) + { + linkedlist_datablock_internal* ldi = zi->central_dir.first_block; + while (ldi!=NULL) + { + if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream, ldi->data, ldi->filled_in_this_block) != ldi->filled_in_this_block) + err = ZIP_ERRNO; + } + + size_centraldir += ldi->filled_in_this_block; + ldi = ldi->next_datablock; + } + } + free_linkedlist(&(zi->central_dir)); + + pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + if(pos >= 0xffffffff || zi->number_entry > 0xFFFF) + { + ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream); + Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + + Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos); + } + + if (err==ZIP_OK) + err = Write_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + + if(err == ZIP_OK) + err = Write_GlobalComment(zi, global_comment); + + if (ZCLOSE64(zi->z_filefunc,zi->filestream) != 0) + if (err == ZIP_OK) + err = ZIP_ERRNO; + +#ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(zi->globalcomment); +#endif + TRYFREE(zi); + + return err; +} + +extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHeader) +{ + char* p = pData; + int size = 0; + char* pNewHeader; + char* pTmp; + short header; + short dataSize; + + int retVal = ZIP_OK; + + if(pData == NULL || dataLen == NULL || *dataLen < 4) + return ZIP_PARAMERROR; + + pNewHeader = (char*)ALLOC((unsigned)*dataLen); + pTmp = pNewHeader; + + while(p < (pData + *dataLen)) + { + header = *(short*)p; + dataSize = *(((short*)p)+1); + + if( header == sHeader ) // Header found. + { + p += dataSize + 4; // skip it. do not copy to temp buffer + } + else + { + // Extra Info block should not be removed, So copy it to the temp buffer. + memcpy(pTmp, p, dataSize + 4); + p += dataSize + 4; + size += dataSize + 4; + } + + } + + if(size < *dataLen) + { + // clean old extra info block. + memset(pData,0, *dataLen); + + // copy the new extra info block over the old + if(size > 0) + memcpy(pData, pNewHeader, size); + + // set the new extra info size + *dataLen = size; + + retVal = ZIP_OK; + } + else + retVal = ZIP_ERRNO; + + TRYFREE(pNewHeader); + + return retVal; +} diff --git a/contrib/minizip/zip.h b/contrib/minizip/zip.h new file mode 100644 index 0000000..7e4509d --- /dev/null +++ b/contrib/minizip/zip.h @@ -0,0 +1,367 @@ +/* zip.h -- IO on .zip files using zlib + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) + + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + --------------------------------------------------------------------------- + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + --------------------------------------------------------------------------- + + Changes + + See header of zip.h + +*/ + +#ifndef _zip12_H +#define _zip12_H + +#ifdef __cplusplus +extern "C" { +#endif + +//#define HAVE_BZIP2 + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#ifdef HAVE_BZIP2 +#include "bzlib.h" +#endif + +#define Z_BZIP2ED 12 + +#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagzipFile__ { int unused; } zipFile__; +typedef zipFile__ *zipFile; +#else +typedef voidp zipFile; +#endif + +#define ZIP_OK (0) +#define ZIP_EOF (0) +#define ZIP_ERRNO (Z_ERRNO) +#define ZIP_PARAMERROR (-102) +#define ZIP_BADZIPFILE (-103) +#define ZIP_INTERNALERROR (-104) + +#ifndef DEF_MEM_LEVEL +# if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +# else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +# endif +#endif +/* default memLevel */ + +/* tm_zip contain date/time info */ +typedef struct tm_zip_s +{ + int tm_sec; /* seconds after the minute - [0,59] */ + int tm_min; /* minutes after the hour - [0,59] */ + int tm_hour; /* hours since midnight - [0,23] */ + int tm_mday; /* day of the month - [1,31] */ + int tm_mon; /* months since January - [0,11] */ + int tm_year; /* years - [1980..2044] */ +} tm_zip; + +typedef struct +{ + tm_zip tmz_date; /* date in understandable format */ + uLong dosDate; /* if dos_date == 0, tmu_date is used */ +/* uLong flag; */ /* general purpose bit flag 2 bytes */ + + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ +} zip_fileinfo; + +typedef const char* zipcharpc; + + +#define APPEND_STATUS_CREATE (0) +#define APPEND_STATUS_CREATEAFTER (1) +#define APPEND_STATUS_ADDINZIP (2) + +extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); +extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append)); +/* + Create a zipfile. + pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on + an Unix computer "zlib/zlib113.zip". + if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip + will be created at the end of the file. + (useful if the file contain a self extractor code) + if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will + add files in existing zip (be sure you don't add file that doesn't exist) + If the zipfile cannot be opened, the return value is NULL. + Else, the return value is a zipFile Handle, usable with other function + of this zip package. +*/ + +/* Note : there is no delete function into a zipfile. + If you want delete file into a zipfile, you must open a zipfile, and create another + Of couse, you can use RAW reading and writing to copy the file you did not want delte +*/ + +extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc_def* pzlib_filefunc_def)); + +extern zipFile ZEXPORT zipOpen2_64 OF((const void *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc64_def* pzlib_filefunc_def)); + +extern zipFile ZEXPORT zipOpen3 OF((const void *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc64_32_def* pzlib_filefunc64_32_def)); + +extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level)); + +extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int zip64)); + +/* + Open a file in the ZIP for writing. + filename : the filename in zip (if NULL, '-' without quote will be used + *zipfi contain supplemental information + if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local + contains the extrafield data the the local header + if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global + contains the extrafield data the the local header + if comment != NULL, comment contain the comment string + method contain the compression method (0 for store, Z_DEFLATED for deflate) + level contain the level of compression (can be Z_DEFAULT_COMPRESSION) + zip64 is set to 1 if a zip64 extended information block should be added to the local file header. + this MUST be '1' if the uncompressed size is >= 0xffffffff. + +*/ + + +extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw)); + + +extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int zip64)); +/* + Same than zipOpenNewFileInZip, except if raw=1, we write raw file + */ + +extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting)); + +extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + int zip64 + )); + +/* + Same than zipOpenNewFileInZip2, except + windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 + password : crypting password (NULL for no crypting) + crcForCrypting : crc of file to compress (needed for crypting) + */ + +extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + uLong versionMadeBy, + uLong flagBase + )); + + +extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + uLong versionMadeBy, + uLong flagBase, + int zip64 + )); +/* + Same than zipOpenNewFileInZip4, except + versionMadeBy : value for Version made by field + flag : value for flag field (compression level info will be added) + */ + + +extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, + const void* buf, + unsigned len)); +/* + Write data in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); +/* + Close the current file in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, + uLong uncompressed_size, + uLong crc32)); + +extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file, + ZPOS64_T uncompressed_size, + uLong crc32)); + +/* + Close the current file in the zipfile, for file opened with + parameter raw=1 in zipOpenNewFileInZip2 + uncompressed_size and crc32 are value for the uncompressed size +*/ + +extern int ZEXPORT zipClose OF((zipFile file, + const char* global_comment)); +/* + Close the zipfile +*/ + + +extern int ZEXPORT zipRemoveExtraInfoBlock OF((char* pData, int* dataLen, short sHeader)); +/* + zipRemoveExtraInfoBlock - Added by Mathias Svensson + + Remove extra information block from a extra information data for the local file header or central directory header + + It is needed to remove ZIP64 extra information blocks when before data is written if using RAW mode. + + 0x0001 is the signature header for the ZIP64 extra information blocks + + usage. + Remove ZIP64 Extra information from a central director extra field data + zipRemoveExtraInfoBlock(pCenDirExtraFieldData, &nCenDirExtraFieldDataLen, 0x0001); + + Remove ZIP64 Extra information from a Local File Header extra field data + zipRemoveExtraInfoBlock(pLocalHeaderExtraFieldData, &nLocalHeaderExtraFieldDataLen, 0x0001); +*/ + +#ifdef __cplusplus +} +#endif + +#endif /* _zip64_H */ diff --git a/contrib/pascal/example.pas b/contrib/pascal/example.pas new file mode 100644 index 0000000..5518b36 --- /dev/null +++ b/contrib/pascal/example.pas @@ -0,0 +1,599 @@ +(* example.c -- usage example of the zlib compression library + * Copyright (C) 1995-2003 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + * + * Pascal translation + * Copyright (C) 1998 by Jacques Nomssi Nzali. + * For conditions of distribution and use, see copyright notice in readme.txt + * + * Adaptation to the zlibpas interface + * Copyright (C) 2003 by Cosmin Truta. + * For conditions of distribution and use, see copyright notice in readme.txt + *) + +program example; + +{$DEFINE TEST_COMPRESS} +{DO NOT $DEFINE TEST_GZIO} +{$DEFINE TEST_DEFLATE} +{$DEFINE TEST_INFLATE} +{$DEFINE TEST_FLUSH} +{$DEFINE TEST_SYNC} +{$DEFINE TEST_DICT} + +uses SysUtils, zlibpas; + +const TESTFILE = 'foo.gz'; + +(* "hello world" would be more standard, but the repeated "hello" + * stresses the compression code better, sorry... + *) +const hello: PChar = 'hello, hello!'; + +const dictionary: PChar = 'hello'; + +var dictId: LongInt; (* Adler32 value of the dictionary *) + +procedure CHECK_ERR(err: Integer; msg: String); +begin + if err <> Z_OK then + begin + WriteLn(msg, ' error: ', err); + Halt(1); + end; +end; + +procedure EXIT_ERR(const msg: String); +begin + WriteLn('Error: ', msg); + Halt(1); +end; + +(* =========================================================================== + * Test compress and uncompress + *) +{$IFDEF TEST_COMPRESS} +procedure test_compress(compr: Pointer; comprLen: LongInt; + uncompr: Pointer; uncomprLen: LongInt); +var err: Integer; + len: LongInt; +begin + len := StrLen(hello)+1; + + err := compress(compr, comprLen, hello, len); + CHECK_ERR(err, 'compress'); + + StrCopy(PChar(uncompr), 'garbage'); + + err := uncompress(uncompr, uncomprLen, compr, comprLen); + CHECK_ERR(err, 'uncompress'); + + if StrComp(PChar(uncompr), hello) <> 0 then + EXIT_ERR('bad uncompress') + else + WriteLn('uncompress(): ', PChar(uncompr)); +end; +{$ENDIF} + +(* =========================================================================== + * Test read/write of .gz files + *) +{$IFDEF TEST_GZIO} +procedure test_gzio(const fname: PChar; (* compressed file name *) + uncompr: Pointer; + uncomprLen: LongInt); +var err: Integer; + len: Integer; + zfile: gzFile; + pos: LongInt; +begin + len := StrLen(hello)+1; + + zfile := gzopen(fname, 'wb'); + if zfile = NIL then + begin + WriteLn('gzopen error'); + Halt(1); + end; + gzputc(zfile, 'h'); + if gzputs(zfile, 'ello') <> 4 then + begin + WriteLn('gzputs err: ', gzerror(zfile, err)); + Halt(1); + end; + {$IFDEF GZ_FORMAT_STRING} + if gzprintf(zfile, ', %s!', 'hello') <> 8 then + begin + WriteLn('gzprintf err: ', gzerror(zfile, err)); + Halt(1); + end; + {$ELSE} + if gzputs(zfile, ', hello!') <> 8 then + begin + WriteLn('gzputs err: ', gzerror(zfile, err)); + Halt(1); + end; + {$ENDIF} + gzseek(zfile, 1, SEEK_CUR); (* add one zero byte *) + gzclose(zfile); + + zfile := gzopen(fname, 'rb'); + if zfile = NIL then + begin + WriteLn('gzopen error'); + Halt(1); + end; + + StrCopy(PChar(uncompr), 'garbage'); + + if gzread(zfile, uncompr, uncomprLen) <> len then + begin + WriteLn('gzread err: ', gzerror(zfile, err)); + Halt(1); + end; + if StrComp(PChar(uncompr), hello) <> 0 then + begin + WriteLn('bad gzread: ', PChar(uncompr)); + Halt(1); + end + else + WriteLn('gzread(): ', PChar(uncompr)); + + pos := gzseek(zfile, -8, SEEK_CUR); + if (pos <> 6) or (gztell(zfile) <> pos) then + begin + WriteLn('gzseek error, pos=', pos, ', gztell=', gztell(zfile)); + Halt(1); + end; + + if gzgetc(zfile) <> ' ' then + begin + WriteLn('gzgetc error'); + Halt(1); + end; + + if gzungetc(' ', zfile) <> ' ' then + begin + WriteLn('gzungetc error'); + Halt(1); + end; + + gzgets(zfile, PChar(uncompr), uncomprLen); + uncomprLen := StrLen(PChar(uncompr)); + if uncomprLen <> 7 then (* " hello!" *) + begin + WriteLn('gzgets err after gzseek: ', gzerror(zfile, err)); + Halt(1); + end; + if StrComp(PChar(uncompr), hello + 6) <> 0 then + begin + WriteLn('bad gzgets after gzseek'); + Halt(1); + end + else + WriteLn('gzgets() after gzseek: ', PChar(uncompr)); + + gzclose(zfile); +end; +{$ENDIF} + +(* =========================================================================== + * Test deflate with small buffers + *) +{$IFDEF TEST_DEFLATE} +procedure test_deflate(compr: Pointer; comprLen: LongInt); +var c_stream: z_stream; (* compression stream *) + err: Integer; + len: LongInt; +begin + len := StrLen(hello)+1; + + c_stream.zalloc := NIL; + c_stream.zfree := NIL; + c_stream.opaque := NIL; + + err := deflateInit(c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, 'deflateInit'); + + c_stream.next_in := hello; + c_stream.next_out := compr; + + while (c_stream.total_in <> len) and + (c_stream.total_out < comprLen) do + begin + c_stream.avail_out := 1; { force small buffers } + c_stream.avail_in := 1; + err := deflate(c_stream, Z_NO_FLUSH); + CHECK_ERR(err, 'deflate'); + end; + + (* Finish the stream, still forcing small buffers: *) + while TRUE do + begin + c_stream.avail_out := 1; + err := deflate(c_stream, Z_FINISH); + if err = Z_STREAM_END then + break; + CHECK_ERR(err, 'deflate'); + end; + + err := deflateEnd(c_stream); + CHECK_ERR(err, 'deflateEnd'); +end; +{$ENDIF} + +(* =========================================================================== + * Test inflate with small buffers + *) +{$IFDEF TEST_INFLATE} +procedure test_inflate(compr: Pointer; comprLen : LongInt; + uncompr: Pointer; uncomprLen : LongInt); +var err: Integer; + d_stream: z_stream; (* decompression stream *) +begin + StrCopy(PChar(uncompr), 'garbage'); + + d_stream.zalloc := NIL; + d_stream.zfree := NIL; + d_stream.opaque := NIL; + + d_stream.next_in := compr; + d_stream.avail_in := 0; + d_stream.next_out := uncompr; + + err := inflateInit(d_stream); + CHECK_ERR(err, 'inflateInit'); + + while (d_stream.total_out < uncomprLen) and + (d_stream.total_in < comprLen) do + begin + d_stream.avail_out := 1; (* force small buffers *) + d_stream.avail_in := 1; + err := inflate(d_stream, Z_NO_FLUSH); + if err = Z_STREAM_END then + break; + CHECK_ERR(err, 'inflate'); + end; + + err := inflateEnd(d_stream); + CHECK_ERR(err, 'inflateEnd'); + + if StrComp(PChar(uncompr), hello) <> 0 then + EXIT_ERR('bad inflate') + else + WriteLn('inflate(): ', PChar(uncompr)); +end; +{$ENDIF} + +(* =========================================================================== + * Test deflate with large buffers and dynamic change of compression level + *) +{$IFDEF TEST_DEFLATE} +procedure test_large_deflate(compr: Pointer; comprLen: LongInt; + uncompr: Pointer; uncomprLen: LongInt); +var c_stream: z_stream; (* compression stream *) + err: Integer; +begin + c_stream.zalloc := NIL; + c_stream.zfree := NIL; + c_stream.opaque := NIL; + + err := deflateInit(c_stream, Z_BEST_SPEED); + CHECK_ERR(err, 'deflateInit'); + + c_stream.next_out := compr; + c_stream.avail_out := Integer(comprLen); + + (* At this point, uncompr is still mostly zeroes, so it should compress + * very well: + *) + c_stream.next_in := uncompr; + c_stream.avail_in := Integer(uncomprLen); + err := deflate(c_stream, Z_NO_FLUSH); + CHECK_ERR(err, 'deflate'); + if c_stream.avail_in <> 0 then + EXIT_ERR('deflate not greedy'); + + (* Feed in already compressed data and switch to no compression: *) + deflateParams(c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); + c_stream.next_in := compr; + c_stream.avail_in := Integer(comprLen div 2); + err := deflate(c_stream, Z_NO_FLUSH); + CHECK_ERR(err, 'deflate'); + + (* Switch back to compressing mode: *) + deflateParams(c_stream, Z_BEST_COMPRESSION, Z_FILTERED); + c_stream.next_in := uncompr; + c_stream.avail_in := Integer(uncomprLen); + err := deflate(c_stream, Z_NO_FLUSH); + CHECK_ERR(err, 'deflate'); + + err := deflate(c_stream, Z_FINISH); + if err <> Z_STREAM_END then + EXIT_ERR('deflate should report Z_STREAM_END'); + + err := deflateEnd(c_stream); + CHECK_ERR(err, 'deflateEnd'); +end; +{$ENDIF} + +(* =========================================================================== + * Test inflate with large buffers + *) +{$IFDEF TEST_INFLATE} +procedure test_large_inflate(compr: Pointer; comprLen: LongInt; + uncompr: Pointer; uncomprLen: LongInt); +var err: Integer; + d_stream: z_stream; (* decompression stream *) +begin + StrCopy(PChar(uncompr), 'garbage'); + + d_stream.zalloc := NIL; + d_stream.zfree := NIL; + d_stream.opaque := NIL; + + d_stream.next_in := compr; + d_stream.avail_in := Integer(comprLen); + + err := inflateInit(d_stream); + CHECK_ERR(err, 'inflateInit'); + + while TRUE do + begin + d_stream.next_out := uncompr; (* discard the output *) + d_stream.avail_out := Integer(uncomprLen); + err := inflate(d_stream, Z_NO_FLUSH); + if err = Z_STREAM_END then + break; + CHECK_ERR(err, 'large inflate'); + end; + + err := inflateEnd(d_stream); + CHECK_ERR(err, 'inflateEnd'); + + if d_stream.total_out <> 2 * uncomprLen + comprLen div 2 then + begin + WriteLn('bad large inflate: ', d_stream.total_out); + Halt(1); + end + else + WriteLn('large_inflate(): OK'); +end; +{$ENDIF} + +(* =========================================================================== + * Test deflate with full flush + *) +{$IFDEF TEST_FLUSH} +procedure test_flush(compr: Pointer; var comprLen : LongInt); +var c_stream: z_stream; (* compression stream *) + err: Integer; + len: Integer; +begin + len := StrLen(hello)+1; + + c_stream.zalloc := NIL; + c_stream.zfree := NIL; + c_stream.opaque := NIL; + + err := deflateInit(c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, 'deflateInit'); + + c_stream.next_in := hello; + c_stream.next_out := compr; + c_stream.avail_in := 3; + c_stream.avail_out := Integer(comprLen); + err := deflate(c_stream, Z_FULL_FLUSH); + CHECK_ERR(err, 'deflate'); + + Inc(PByteArray(compr)^[3]); (* force an error in first compressed block *) + c_stream.avail_in := len - 3; + + err := deflate(c_stream, Z_FINISH); + if err <> Z_STREAM_END then + CHECK_ERR(err, 'deflate'); + + err := deflateEnd(c_stream); + CHECK_ERR(err, 'deflateEnd'); + + comprLen := c_stream.total_out; +end; +{$ENDIF} + +(* =========================================================================== + * Test inflateSync() + *) +{$IFDEF TEST_SYNC} +procedure test_sync(compr: Pointer; comprLen: LongInt; + uncompr: Pointer; uncomprLen : LongInt); +var err: Integer; + d_stream: z_stream; (* decompression stream *) +begin + StrCopy(PChar(uncompr), 'garbage'); + + d_stream.zalloc := NIL; + d_stream.zfree := NIL; + d_stream.opaque := NIL; + + d_stream.next_in := compr; + d_stream.avail_in := 2; (* just read the zlib header *) + + err := inflateInit(d_stream); + CHECK_ERR(err, 'inflateInit'); + + d_stream.next_out := uncompr; + d_stream.avail_out := Integer(uncomprLen); + + inflate(d_stream, Z_NO_FLUSH); + CHECK_ERR(err, 'inflate'); + + d_stream.avail_in := Integer(comprLen-2); (* read all compressed data *) + err := inflateSync(d_stream); (* but skip the damaged part *) + CHECK_ERR(err, 'inflateSync'); + + err := inflate(d_stream, Z_FINISH); + if err <> Z_DATA_ERROR then + EXIT_ERR('inflate should report DATA_ERROR'); + (* Because of incorrect adler32 *) + + err := inflateEnd(d_stream); + CHECK_ERR(err, 'inflateEnd'); + + WriteLn('after inflateSync(): hel', PChar(uncompr)); +end; +{$ENDIF} + +(* =========================================================================== + * Test deflate with preset dictionary + *) +{$IFDEF TEST_DICT} +procedure test_dict_deflate(compr: Pointer; comprLen: LongInt); +var c_stream: z_stream; (* compression stream *) + err: Integer; +begin + c_stream.zalloc := NIL; + c_stream.zfree := NIL; + c_stream.opaque := NIL; + + err := deflateInit(c_stream, Z_BEST_COMPRESSION); + CHECK_ERR(err, 'deflateInit'); + + err := deflateSetDictionary(c_stream, dictionary, StrLen(dictionary)); + CHECK_ERR(err, 'deflateSetDictionary'); + + dictId := c_stream.adler; + c_stream.next_out := compr; + c_stream.avail_out := Integer(comprLen); + + c_stream.next_in := hello; + c_stream.avail_in := StrLen(hello)+1; + + err := deflate(c_stream, Z_FINISH); + if err <> Z_STREAM_END then + EXIT_ERR('deflate should report Z_STREAM_END'); + + err := deflateEnd(c_stream); + CHECK_ERR(err, 'deflateEnd'); +end; +{$ENDIF} + +(* =========================================================================== + * Test inflate with a preset dictionary + *) +{$IFDEF TEST_DICT} +procedure test_dict_inflate(compr: Pointer; comprLen: LongInt; + uncompr: Pointer; uncomprLen: LongInt); +var err: Integer; + d_stream: z_stream; (* decompression stream *) +begin + StrCopy(PChar(uncompr), 'garbage'); + + d_stream.zalloc := NIL; + d_stream.zfree := NIL; + d_stream.opaque := NIL; + + d_stream.next_in := compr; + d_stream.avail_in := Integer(comprLen); + + err := inflateInit(d_stream); + CHECK_ERR(err, 'inflateInit'); + + d_stream.next_out := uncompr; + d_stream.avail_out := Integer(uncomprLen); + + while TRUE do + begin + err := inflate(d_stream, Z_NO_FLUSH); + if err = Z_STREAM_END then + break; + if err = Z_NEED_DICT then + begin + if d_stream.adler <> dictId then + EXIT_ERR('unexpected dictionary'); + err := inflateSetDictionary(d_stream, dictionary, StrLen(dictionary)); + end; + CHECK_ERR(err, 'inflate with dict'); + end; + + err := inflateEnd(d_stream); + CHECK_ERR(err, 'inflateEnd'); + + if StrComp(PChar(uncompr), hello) <> 0 then + EXIT_ERR('bad inflate with dict') + else + WriteLn('inflate with dictionary: ', PChar(uncompr)); +end; +{$ENDIF} + +var compr, uncompr: Pointer; + comprLen, uncomprLen: LongInt; + +begin + if zlibVersion^ <> ZLIB_VERSION[1] then + EXIT_ERR('Incompatible zlib version'); + + WriteLn('zlib version: ', zlibVersion); + WriteLn('zlib compile flags: ', Format('0x%x', [zlibCompileFlags])); + + comprLen := 10000 * SizeOf(Integer); (* don't overflow on MSDOS *) + uncomprLen := comprLen; + GetMem(compr, comprLen); + GetMem(uncompr, uncomprLen); + if (compr = NIL) or (uncompr = NIL) then + EXIT_ERR('Out of memory'); + (* compr and uncompr are cleared to avoid reading uninitialized + * data and to ensure that uncompr compresses well. + *) + FillChar(compr^, comprLen, 0); + FillChar(uncompr^, uncomprLen, 0); + + {$IFDEF TEST_COMPRESS} + WriteLn('** Testing compress'); + test_compress(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + + {$IFDEF TEST_GZIO} + WriteLn('** Testing gzio'); + if ParamCount >= 1 then + test_gzio(ParamStr(1), uncompr, uncomprLen) + else + test_gzio(TESTFILE, uncompr, uncomprLen); + {$ENDIF} + + {$IFDEF TEST_DEFLATE} + WriteLn('** Testing deflate with small buffers'); + test_deflate(compr, comprLen); + {$ENDIF} + {$IFDEF TEST_INFLATE} + WriteLn('** Testing inflate with small buffers'); + test_inflate(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + + {$IFDEF TEST_DEFLATE} + WriteLn('** Testing deflate with large buffers'); + test_large_deflate(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + {$IFDEF TEST_INFLATE} + WriteLn('** Testing inflate with large buffers'); + test_large_inflate(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + + {$IFDEF TEST_FLUSH} + WriteLn('** Testing deflate with full flush'); + test_flush(compr, comprLen); + {$ENDIF} + {$IFDEF TEST_SYNC} + WriteLn('** Testing inflateSync'); + test_sync(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + comprLen := uncomprLen; + + {$IFDEF TEST_DICT} + WriteLn('** Testing deflate and inflate with preset dictionary'); + test_dict_deflate(compr, comprLen); + test_dict_inflate(compr, comprLen, uncompr, uncomprLen); + {$ENDIF} + + FreeMem(compr, comprLen); + FreeMem(uncompr, uncomprLen); +end. diff --git a/contrib/pascal/readme.txt b/contrib/pascal/readme.txt new file mode 100644 index 0000000..60e87c8 --- /dev/null +++ b/contrib/pascal/readme.txt @@ -0,0 +1,76 @@ + +This directory contains a Pascal (Delphi, Kylix) interface to the +zlib data compression library. + + +Directory listing +================= + +zlibd32.mak makefile for Borland C++ +example.pas usage example of zlib +zlibpas.pas the Pascal interface to zlib +readme.txt this file + + +Compatibility notes +=================== + +- Although the name "zlib" would have been more normal for the + zlibpas unit, this name is already taken by Borland's ZLib unit. + This is somehow unfortunate, because that unit is not a genuine + interface to the full-fledged zlib functionality, but a suite of + class wrappers around zlib streams. Other essential features, + such as checksums, are missing. + It would have been more appropriate for that unit to have a name + like "ZStreams", or something similar. + +- The C and zlib-supplied types int, uInt, long, uLong, etc. are + translated directly into Pascal types of similar sizes (Integer, + LongInt, etc.), to avoid namespace pollution. In particular, + there is no conversion of unsigned int into a Pascal unsigned + integer. The Word type is non-portable and has the same size + (16 bits) both in a 16-bit and in a 32-bit environment, unlike + Integer. Even if there is a 32-bit Cardinal type, there is no + real need for unsigned int in zlib under a 32-bit environment. + +- Except for the callbacks, the zlib function interfaces are + assuming the calling convention normally used in Pascal + (__pascal for DOS and Windows16, __fastcall for Windows32). + Since the cdecl keyword is used, the old Turbo Pascal does + not work with this interface. + +- The gz* function interfaces are not translated, to avoid + interfacing problems with the C runtime library. Besides, + gzprintf(gzFile file, const char *format, ...) + cannot be translated into Pascal. + + +Legal issues +============ + +The zlibpas interface is: + Copyright (C) 1995-2003 Jean-loup Gailly and Mark Adler. + Copyright (C) 1998 by Bob Dellaca. + Copyright (C) 2003 by Cosmin Truta. + +The example program is: + Copyright (C) 1995-2003 by Jean-loup Gailly. + Copyright (C) 1998,1999,2000 by Jacques Nomssi Nzali. + Copyright (C) 2003 by Cosmin Truta. + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + diff --git a/contrib/pascal/zlibd32.mak b/contrib/pascal/zlibd32.mak new file mode 100644 index 0000000..9bb00b7 --- /dev/null +++ b/contrib/pascal/zlibd32.mak @@ -0,0 +1,99 @@ +# Makefile for zlib +# For use with Delphi and C++ Builder under Win32 +# Updated for zlib 1.2.x by Cosmin Truta + +# ------------ Borland C++ ------------ + +# This project uses the Delphi (fastcall/register) calling convention: +LOC = -DZEXPORT=__fastcall -DZEXPORTVA=__cdecl + +CC = bcc32 +LD = bcc32 +AR = tlib +# do not use "-pr" in CFLAGS +CFLAGS = -a -d -k- -O2 $(LOC) +LDFLAGS = + + +# variables +ZLIB_LIB = zlib.lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj +OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + +minigzip.obj: test/minigzip.c zlib.h zconf.h + + +# For the sake of the old Borland make, +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + + +# cleanup +clean: + -del *.obj + -del *.exe + -del *.lib + -del *.tds + -del zlib.bak + -del foo.gz + diff --git a/contrib/pascal/zlibpas.pas b/contrib/pascal/zlibpas.pas new file mode 100644 index 0000000..bf3fff6 --- /dev/null +++ b/contrib/pascal/zlibpas.pas @@ -0,0 +1,276 @@ +(* zlibpas -- Pascal interface to the zlib data compression library + * + * Copyright (C) 2003 Cosmin Truta. + * Derived from original sources by Bob Dellaca. + * For conditions of distribution and use, see copyright notice in readme.txt + *) + +unit zlibpas; + +interface + +const + ZLIB_VERSION = '1.2.13'; + ZLIB_VERNUM = $12a0; + +type + alloc_func = function(opaque: Pointer; items, size: Integer): Pointer; + cdecl; + free_func = procedure(opaque, address: Pointer); + cdecl; + + in_func = function(opaque: Pointer; var buf: PByte): Integer; + cdecl; + out_func = function(opaque: Pointer; buf: PByte; size: Integer): Integer; + cdecl; + + z_streamp = ^z_stream; + z_stream = packed record + next_in: PChar; (* next input byte *) + avail_in: Integer; (* number of bytes available at next_in *) + total_in: LongInt; (* total nb of input bytes read so far *) + + next_out: PChar; (* next output byte should be put there *) + avail_out: Integer; (* remaining free space at next_out *) + total_out: LongInt; (* total nb of bytes output so far *) + + msg: PChar; (* last error message, NULL if no error *) + state: Pointer; (* not visible by applications *) + + zalloc: alloc_func; (* used to allocate the internal state *) + zfree: free_func; (* used to free the internal state *) + opaque: Pointer; (* private data object passed to zalloc and zfree *) + + data_type: Integer; (* best guess about the data type: ascii or binary *) + adler: LongInt; (* adler32 value of the uncompressed data *) + reserved: LongInt; (* reserved for future use *) + end; + + gz_headerp = ^gz_header; + gz_header = packed record + text: Integer; (* true if compressed data believed to be text *) + time: LongInt; (* modification time *) + xflags: Integer; (* extra flags (not used when writing a gzip file) *) + os: Integer; (* operating system *) + extra: PChar; (* pointer to extra field or Z_NULL if none *) + extra_len: Integer; (* extra field length (valid if extra != Z_NULL) *) + extra_max: Integer; (* space at extra (only when reading header) *) + name: PChar; (* pointer to zero-terminated file name or Z_NULL *) + name_max: Integer; (* space at name (only when reading header) *) + comment: PChar; (* pointer to zero-terminated comment or Z_NULL *) + comm_max: Integer; (* space at comment (only when reading header) *) + hcrc: Integer; (* true if there was or will be a header crc *) + done: Integer; (* true when done reading gzip header *) + end; + +(* constants *) +const + Z_NO_FLUSH = 0; + Z_PARTIAL_FLUSH = 1; + Z_SYNC_FLUSH = 2; + Z_FULL_FLUSH = 3; + Z_FINISH = 4; + Z_BLOCK = 5; + Z_TREES = 6; + + Z_OK = 0; + Z_STREAM_END = 1; + Z_NEED_DICT = 2; + Z_ERRNO = -1; + Z_STREAM_ERROR = -2; + Z_DATA_ERROR = -3; + Z_MEM_ERROR = -4; + Z_BUF_ERROR = -5; + Z_VERSION_ERROR = -6; + + Z_NO_COMPRESSION = 0; + Z_BEST_SPEED = 1; + Z_BEST_COMPRESSION = 9; + Z_DEFAULT_COMPRESSION = -1; + + Z_FILTERED = 1; + Z_HUFFMAN_ONLY = 2; + Z_RLE = 3; + Z_FIXED = 4; + Z_DEFAULT_STRATEGY = 0; + + Z_BINARY = 0; + Z_TEXT = 1; + Z_ASCII = 1; + Z_UNKNOWN = 2; + + Z_DEFLATED = 8; + +(* basic functions *) +function zlibVersion: PChar; +function deflateInit(var strm: z_stream; level: Integer): Integer; +function deflate(var strm: z_stream; flush: Integer): Integer; +function deflateEnd(var strm: z_stream): Integer; +function inflateInit(var strm: z_stream): Integer; +function inflate(var strm: z_stream; flush: Integer): Integer; +function inflateEnd(var strm: z_stream): Integer; + +(* advanced functions *) +function deflateInit2(var strm: z_stream; level, method, windowBits, + memLevel, strategy: Integer): Integer; +function deflateSetDictionary(var strm: z_stream; const dictionary: PChar; + dictLength: Integer): Integer; +function deflateCopy(var dest, source: z_stream): Integer; +function deflateReset(var strm: z_stream): Integer; +function deflateParams(var strm: z_stream; level, strategy: Integer): Integer; +function deflateTune(var strm: z_stream; good_length, max_lazy, nice_length, max_chain: Integer): Integer; +function deflateBound(var strm: z_stream; sourceLen: LongInt): LongInt; +function deflatePending(var strm: z_stream; var pending: Integer; var bits: Integer): Integer; +function deflatePrime(var strm: z_stream; bits, value: Integer): Integer; +function deflateSetHeader(var strm: z_stream; head: gz_header): Integer; +function inflateInit2(var strm: z_stream; windowBits: Integer): Integer; +function inflateSetDictionary(var strm: z_stream; const dictionary: PChar; + dictLength: Integer): Integer; +function inflateSync(var strm: z_stream): Integer; +function inflateCopy(var dest, source: z_stream): Integer; +function inflateReset(var strm: z_stream): Integer; +function inflateReset2(var strm: z_stream; windowBits: Integer): Integer; +function inflatePrime(var strm: z_stream; bits, value: Integer): Integer; +function inflateMark(var strm: z_stream): LongInt; +function inflateGetHeader(var strm: z_stream; var head: gz_header): Integer; +function inflateBackInit(var strm: z_stream; + windowBits: Integer; window: PChar): Integer; +function inflateBack(var strm: z_stream; in_fn: in_func; in_desc: Pointer; + out_fn: out_func; out_desc: Pointer): Integer; +function inflateBackEnd(var strm: z_stream): Integer; +function zlibCompileFlags: LongInt; + +(* utility functions *) +function compress(dest: PChar; var destLen: LongInt; + const source: PChar; sourceLen: LongInt): Integer; +function compress2(dest: PChar; var destLen: LongInt; + const source: PChar; sourceLen: LongInt; + level: Integer): Integer; +function compressBound(sourceLen: LongInt): LongInt; +function uncompress(dest: PChar; var destLen: LongInt; + const source: PChar; sourceLen: LongInt): Integer; + +(* checksum functions *) +function adler32(adler: LongInt; const buf: PChar; len: Integer): LongInt; +function adler32_combine(adler1, adler2, len2: LongInt): LongInt; +function crc32(crc: LongInt; const buf: PChar; len: Integer): LongInt; +function crc32_combine(crc1, crc2, len2: LongInt): LongInt; + +(* various hacks, don't look :) *) +function deflateInit_(var strm: z_stream; level: Integer; + const version: PChar; stream_size: Integer): Integer; +function inflateInit_(var strm: z_stream; const version: PChar; + stream_size: Integer): Integer; +function deflateInit2_(var strm: z_stream; + level, method, windowBits, memLevel, strategy: Integer; + const version: PChar; stream_size: Integer): Integer; +function inflateInit2_(var strm: z_stream; windowBits: Integer; + const version: PChar; stream_size: Integer): Integer; +function inflateBackInit_(var strm: z_stream; + windowBits: Integer; window: PChar; + const version: PChar; stream_size: Integer): Integer; + + +implementation + +{$L adler32.obj} +{$L compress.obj} +{$L crc32.obj} +{$L deflate.obj} +{$L infback.obj} +{$L inffast.obj} +{$L inflate.obj} +{$L inftrees.obj} +{$L trees.obj} +{$L uncompr.obj} +{$L zutil.obj} + +function adler32; external; +function adler32_combine; external; +function compress; external; +function compress2; external; +function compressBound; external; +function crc32; external; +function crc32_combine; external; +function deflate; external; +function deflateBound; external; +function deflateCopy; external; +function deflateEnd; external; +function deflateInit_; external; +function deflateInit2_; external; +function deflateParams; external; +function deflatePending; external; +function deflatePrime; external; +function deflateReset; external; +function deflateSetDictionary; external; +function deflateSetHeader; external; +function deflateTune; external; +function inflate; external; +function inflateBack; external; +function inflateBackEnd; external; +function inflateBackInit_; external; +function inflateCopy; external; +function inflateEnd; external; +function inflateGetHeader; external; +function inflateInit_; external; +function inflateInit2_; external; +function inflateMark; external; +function inflatePrime; external; +function inflateReset; external; +function inflateReset2; external; +function inflateSetDictionary; external; +function inflateSync; external; +function uncompress; external; +function zlibCompileFlags; external; +function zlibVersion; external; + +function deflateInit(var strm: z_stream; level: Integer): Integer; +begin + Result := deflateInit_(strm, level, ZLIB_VERSION, sizeof(z_stream)); +end; + +function deflateInit2(var strm: z_stream; level, method, windowBits, memLevel, + strategy: Integer): Integer; +begin + Result := deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + ZLIB_VERSION, sizeof(z_stream)); +end; + +function inflateInit(var strm: z_stream): Integer; +begin + Result := inflateInit_(strm, ZLIB_VERSION, sizeof(z_stream)); +end; + +function inflateInit2(var strm: z_stream; windowBits: Integer): Integer; +begin + Result := inflateInit2_(strm, windowBits, ZLIB_VERSION, sizeof(z_stream)); +end; + +function inflateBackInit(var strm: z_stream; + windowBits: Integer; window: PChar): Integer; +begin + Result := inflateBackInit_(strm, windowBits, window, + ZLIB_VERSION, sizeof(z_stream)); +end; + +function _malloc(Size: Integer): Pointer; cdecl; +begin + GetMem(Result, Size); +end; + +procedure _free(Block: Pointer); cdecl; +begin + FreeMem(Block); +end; + +procedure _memset(P: Pointer; B: Byte; count: Integer); cdecl; +begin + FillChar(P^, count, B); +end; + +procedure _memcpy(dest, source: Pointer; count: Integer); cdecl; +begin + Move(source^, dest^, count); +end; + +end. diff --git a/contrib/puff/Makefile b/contrib/puff/Makefile new file mode 100644 index 0000000..0e2594c --- /dev/null +++ b/contrib/puff/Makefile @@ -0,0 +1,42 @@ +CFLAGS=-O + +puff: puff.o pufftest.o + +puff.o: puff.h + +pufftest.o: puff.h + +test: puff + puff zeros.raw + +puft: puff.c puff.h pufftest.o + cc -fprofile-arcs -ftest-coverage -o puft puff.c pufftest.o + +# puff full coverage test (should say 100%) +cov: puft + @rm -f *.gcov *.gcda + @puft -w zeros.raw 2>&1 | cat > /dev/null + @echo '04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2 + @echo '00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2 + @echo '00 00 00 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 254 + @echo '00 01 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2 + @echo '01 01 00 fe ff 0a' | xxd -r -p | puft -f 2>&1 | cat > /dev/null + @echo '02 7e ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246 + @echo '02' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2 + @echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2 + @echo '04 80 49 92 24 49 92 24 71 ff ff 93 11 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 249 + @echo '04 c0 81 08 00 00 00 00 20 7f eb 0b 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246 + @echo '0b 00 00' | xxd -r -p | puft -f 2>&1 | cat > /dev/null + @echo '1a 07' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246 + @echo '0c c0 81 00 00 00 00 00 90 ff 6b 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 245 + @puft -f zeros.raw 2>&1 | cat > /dev/null + @echo 'fc 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 253 + @echo '04 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 252 + @echo '04 00 24 49' | xxd -r -p | puft 2> /dev/null || test $$? -eq 251 + @echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 84' | xxd -r -p | puft 2> /dev/null || test $$? -eq 248 + @echo '04 00 24 e9 ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 250 + @echo '04 00 24 e9 ff 6d' | xxd -r -p | puft 2> /dev/null || test $$? -eq 247 + @gcov -n puff.c + +clean: + rm -f puff puft *.o *.gc* diff --git a/contrib/puff/README b/contrib/puff/README new file mode 100644 index 0000000..d8192c7 --- /dev/null +++ b/contrib/puff/README @@ -0,0 +1,63 @@ +Puff -- A Simple Inflate +3 Mar 2003 +Mark Adler +madler@alumni.caltech.edu + +What this is -- + +puff.c provides the routine puff() to decompress the deflate data format. It +does so more slowly than zlib, but the code is about one-fifth the size of the +inflate code in zlib, and written to be very easy to read. + +Why I wrote this -- + +puff.c was written to document the deflate format unambiguously, by virtue of +being working C code. It is meant to supplement RFC 1951, which formally +describes the deflate format. I have received many questions on details of the +deflate format, and I hope that reading this code will answer those questions. +puff.c is heavily commented with details of the deflate format, especially +those little nooks and cranies of the format that might not be obvious from a +specification. + +puff.c may also be useful in applications where code size or memory usage is a +very limited resource, and speed is not as important. + +How to use it -- + +Well, most likely you should just be reading puff.c and using zlib for actual +applications, but if you must ... + +Include puff.h in your code, which provides this prototype: + +int puff(unsigned char *dest, /* pointer to destination pointer */ + unsigned long *destlen, /* amount of output space */ + unsigned char *source, /* pointer to source data pointer */ + unsigned long *sourcelen); /* amount of input available */ + +Then you can call puff() to decompress a deflate stream that is in memory in +its entirety at source, to a sufficiently sized block of memory for the +decompressed data at dest. puff() is the only external symbol in puff.c The +only C library functions that puff.c needs are setjmp() and longjmp(), which +are used to simplify error checking in the code to improve readability. puff.c +does no memory allocation, and uses less than 2K bytes off of the stack. + +If destlen is not enough space for the uncompressed data, then inflate will +return an error without writing more than destlen bytes. Note that this means +that in order to decompress the deflate data successfully, you need to know +the size of the uncompressed data ahead of time. + +If needed, puff() can determine the size of the uncompressed data with no +output space. This is done by passing dest equal to (unsigned char *)0. Then +the initial value of *destlen is ignored and *destlen is set to the length of +the uncompressed data. So if the size of the uncompressed data is not known, +then two passes of puff() can be used--first to determine the size, and second +to do the actual inflation after allocating the appropriate memory. Not +pretty, but it works. (This is one of the reasons you should be using zlib.) + +The deflate format is self-terminating. If the deflate stream does not end +in *sourcelen bytes, puff() will return an error without reading at or past +endsource. + +On return, *sourcelen is updated to the amount of input data consumed, and +*destlen is updated to the size of the uncompressed data. See the comments +in puff.c for the possible return codes for puff(). diff --git a/contrib/puff/puff.c b/contrib/puff/puff.c new file mode 100644 index 0000000..6737ff6 --- /dev/null +++ b/contrib/puff/puff.c @@ -0,0 +1,840 @@ +/* + * puff.c + * Copyright (C) 2002-2013 Mark Adler + * For conditions of distribution and use, see copyright notice in puff.h + * version 2.3, 21 Jan 2013 + * + * puff.c is a simple inflate written to be an unambiguous way to specify the + * deflate format. It is not written for speed but rather simplicity. As a + * side benefit, this code might actually be useful when small code is more + * important than speed, such as bootstrap applications. For typical deflate + * data, zlib's inflate() is about four times as fast as puff(). zlib's + * inflate compiles to around 20K on my machine, whereas puff.c compiles to + * around 4K on my machine (a PowerPC using GNU cc). If the faster decode() + * function here is used, then puff() is only twice as slow as zlib's + * inflate(). + * + * All dynamically allocated memory comes from the stack. The stack required + * is less than 2K bytes. This code is compatible with 16-bit int's and + * assumes that long's are at least 32 bits. puff.c uses the short data type, + * assumed to be 16 bits, for arrays in order to conserve memory. The code + * works whether integers are stored big endian or little endian. + * + * In the comments below are "Format notes" that describe the inflate process + * and document some of the less obvious aspects of the format. This source + * code is meant to supplement RFC 1951, which formally describes the deflate + * format: + * + * http://www.zlib.org/rfc-deflate.html + */ + +/* + * Change history: + * + * 1.0 10 Feb 2002 - First version + * 1.1 17 Feb 2002 - Clarifications of some comments and notes + * - Update puff() dest and source pointers on negative + * errors to facilitate debugging deflators + * - Remove longest from struct huffman -- not needed + * - Simplify offs[] index in construct() + * - Add input size and checking, using longjmp() to + * maintain easy readability + * - Use short data type for large arrays + * - Use pointers instead of long to specify source and + * destination sizes to avoid arbitrary 4 GB limits + * 1.2 17 Mar 2002 - Add faster version of decode(), doubles speed (!), + * but leave simple version for readability + * - Make sure invalid distances detected if pointers + * are 16 bits + * - Fix fixed codes table error + * - Provide a scanning mode for determining size of + * uncompressed data + * 1.3 20 Mar 2002 - Go back to lengths for puff() parameters [Gailly] + * - Add a puff.h file for the interface + * - Add braces in puff() for else do [Gailly] + * - Use indexes instead of pointers for readability + * 1.4 31 Mar 2002 - Simplify construct() code set check + * - Fix some comments + * - Add FIXLCODES #define + * 1.5 6 Apr 2002 - Minor comment fixes + * 1.6 7 Aug 2002 - Minor format changes + * 1.7 3 Mar 2003 - Added test code for distribution + * - Added zlib-like license + * 1.8 9 Jan 2004 - Added some comments on no distance codes case + * 1.9 21 Feb 2008 - Fix bug on 16-bit integer architectures [Pohland] + * - Catch missing end-of-block symbol error + * 2.0 25 Jul 2008 - Add #define to permit distance too far back + * - Add option in TEST code for puff to write the data + * - Add option in TEST code to skip input bytes + * - Allow TEST code to read from piped stdin + * 2.1 4 Apr 2010 - Avoid variable initialization for happier compilers + * - Avoid unsigned comparisons for even happier compilers + * 2.2 25 Apr 2010 - Fix bug in variable initializations [Oberhumer] + * - Add const where appropriate [Oberhumer] + * - Split if's and ?'s for coverage testing + * - Break out test code to separate file + * - Move NIL to puff.h + * - Allow incomplete code only if single code length is 1 + * - Add full code coverage test to Makefile + * 2.3 21 Jan 2013 - Check for invalid code length codes in dynamic blocks + */ + +#include /* for setjmp(), longjmp(), and jmp_buf */ +#include "puff.h" /* prototype for puff() */ + +#define local static /* for local function definitions */ + +/* + * Maximums for allocations and loops. It is not useful to change these -- + * they are fixed by the deflate format. + */ +#define MAXBITS 15 /* maximum bits in a code */ +#define MAXLCODES 286 /* maximum number of literal/length codes */ +#define MAXDCODES 30 /* maximum number of distance codes */ +#define MAXCODES (MAXLCODES+MAXDCODES) /* maximum codes lengths to read */ +#define FIXLCODES 288 /* number of fixed literal/length codes */ + +/* input and output state */ +struct state { + /* output state */ + unsigned char *out; /* output buffer */ + unsigned long outlen; /* available space at out */ + unsigned long outcnt; /* bytes written to out so far */ + + /* input state */ + const unsigned char *in; /* input buffer */ + unsigned long inlen; /* available input at in */ + unsigned long incnt; /* bytes read so far */ + int bitbuf; /* bit buffer */ + int bitcnt; /* number of bits in bit buffer */ + + /* input limit error return state for bits() and decode() */ + jmp_buf env; +}; + +/* + * Return need bits from the input stream. This always leaves less than + * eight bits in the buffer. bits() works properly for need == 0. + * + * Format notes: + * + * - Bits are stored in bytes from the least significant bit to the most + * significant bit. Therefore bits are dropped from the bottom of the bit + * buffer, using shift right, and new bytes are appended to the top of the + * bit buffer, using shift left. + */ +local int bits(struct state *s, int need) +{ + long val; /* bit accumulator (can use up to 20 bits) */ + + /* load at least need bits into val */ + val = s->bitbuf; + while (s->bitcnt < need) { + if (s->incnt == s->inlen) + longjmp(s->env, 1); /* out of input */ + val |= (long)(s->in[s->incnt++]) << s->bitcnt; /* load eight bits */ + s->bitcnt += 8; + } + + /* drop need bits and update buffer, always zero to seven bits left */ + s->bitbuf = (int)(val >> need); + s->bitcnt -= need; + + /* return need bits, zeroing the bits above that */ + return (int)(val & ((1L << need) - 1)); +} + +/* + * Process a stored block. + * + * Format notes: + * + * - After the two-bit stored block type (00), the stored block length and + * stored bytes are byte-aligned for fast copying. Therefore any leftover + * bits in the byte that has the last bit of the type, as many as seven, are + * discarded. The value of the discarded bits are not defined and should not + * be checked against any expectation. + * + * - The second inverted copy of the stored block length does not have to be + * checked, but it's probably a good idea to do so anyway. + * + * - A stored block can have zero length. This is sometimes used to byte-align + * subsets of the compressed data for random access or partial recovery. + */ +local int stored(struct state *s) +{ + unsigned len; /* length of stored block */ + + /* discard leftover bits from current byte (assumes s->bitcnt < 8) */ + s->bitbuf = 0; + s->bitcnt = 0; + + /* get length and check against its one's complement */ + if (s->incnt + 4 > s->inlen) + return 2; /* not enough input */ + len = s->in[s->incnt++]; + len |= s->in[s->incnt++] << 8; + if (s->in[s->incnt++] != (~len & 0xff) || + s->in[s->incnt++] != ((~len >> 8) & 0xff)) + return -2; /* didn't match complement! */ + + /* copy len bytes from in to out */ + if (s->incnt + len > s->inlen) + return 2; /* not enough input */ + if (s->out != NIL) { + if (s->outcnt + len > s->outlen) + return 1; /* not enough output space */ + while (len--) + s->out[s->outcnt++] = s->in[s->incnt++]; + } + else { /* just scanning */ + s->outcnt += len; + s->incnt += len; + } + + /* done with a valid stored block */ + return 0; +} + +/* + * Huffman code decoding tables. count[1..MAXBITS] is the number of symbols of + * each length, which for a canonical code are stepped through in order. + * symbol[] are the symbol values in canonical order, where the number of + * entries is the sum of the counts in count[]. The decoding process can be + * seen in the function decode() below. + */ +struct huffman { + short *count; /* number of symbols of each length */ + short *symbol; /* canonically ordered symbols */ +}; + +/* + * Decode a code from the stream s using huffman table h. Return the symbol or + * a negative value if there is an error. If all of the lengths are zero, i.e. + * an empty code, or if the code is incomplete and an invalid code is received, + * then -10 is returned after reading MAXBITS bits. + * + * Format notes: + * + * - The codes as stored in the compressed data are bit-reversed relative to + * a simple integer ordering of codes of the same lengths. Hence below the + * bits are pulled from the compressed data one at a time and used to + * build the code value reversed from what is in the stream in order to + * permit simple integer comparisons for decoding. A table-based decoding + * scheme (as used in zlib) does not need to do this reversal. + * + * - The first code for the shortest length is all zeros. Subsequent codes of + * the same length are simply integer increments of the previous code. When + * moving up a length, a zero bit is appended to the code. For a complete + * code, the last code of the longest length will be all ones. + * + * - Incomplete codes are handled by this decoder, since they are permitted + * in the deflate format. See the format notes for fixed() and dynamic(). + */ +#ifdef SLOW +local int decode(struct state *s, const struct huffman *h) +{ + int len; /* current number of bits in code */ + int code; /* len bits being decoded */ + int first; /* first code of length len */ + int count; /* number of codes of length len */ + int index; /* index of first code of length len in symbol table */ + + code = first = index = 0; + for (len = 1; len <= MAXBITS; len++) { + code |= bits(s, 1); /* get next bit */ + count = h->count[len]; + if (code - count < first) /* if length len, return symbol */ + return h->symbol[index + (code - first)]; + index += count; /* else update for next length */ + first += count; + first <<= 1; + code <<= 1; + } + return -10; /* ran out of codes */ +} + +/* + * A faster version of decode() for real applications of this code. It's not + * as readable, but it makes puff() twice as fast. And it only makes the code + * a few percent larger. + */ +#else /* !SLOW */ +local int decode(struct state *s, const struct huffman *h) +{ + int len; /* current number of bits in code */ + int code; /* len bits being decoded */ + int first; /* first code of length len */ + int count; /* number of codes of length len */ + int index; /* index of first code of length len in symbol table */ + int bitbuf; /* bits from stream */ + int left; /* bits left in next or left to process */ + short *next; /* next number of codes */ + + bitbuf = s->bitbuf; + left = s->bitcnt; + code = first = index = 0; + len = 1; + next = h->count + 1; + while (1) { + while (left--) { + code |= bitbuf & 1; + bitbuf >>= 1; + count = *next++; + if (code - count < first) { /* if length len, return symbol */ + s->bitbuf = bitbuf; + s->bitcnt = (s->bitcnt - len) & 7; + return h->symbol[index + (code - first)]; + } + index += count; /* else update for next length */ + first += count; + first <<= 1; + code <<= 1; + len++; + } + left = (MAXBITS+1) - len; + if (left == 0) + break; + if (s->incnt == s->inlen) + longjmp(s->env, 1); /* out of input */ + bitbuf = s->in[s->incnt++]; + if (left > 8) + left = 8; + } + return -10; /* ran out of codes */ +} +#endif /* SLOW */ + +/* + * Given the list of code lengths length[0..n-1] representing a canonical + * Huffman code for n symbols, construct the tables required to decode those + * codes. Those tables are the number of codes of each length, and the symbols + * sorted by length, retaining their original order within each length. The + * return value is zero for a complete code set, negative for an over- + * subscribed code set, and positive for an incomplete code set. The tables + * can be used if the return value is zero or positive, but they cannot be used + * if the return value is negative. If the return value is zero, it is not + * possible for decode() using that table to return an error--any stream of + * enough bits will resolve to a symbol. If the return value is positive, then + * it is possible for decode() using that table to return an error for received + * codes past the end of the incomplete lengths. + * + * Not used by decode(), but used for error checking, h->count[0] is the number + * of the n symbols not in the code. So n - h->count[0] is the number of + * codes. This is useful for checking for incomplete codes that have more than + * one symbol, which is an error in a dynamic block. + * + * Assumption: for all i in 0..n-1, 0 <= length[i] <= MAXBITS + * This is assured by the construction of the length arrays in dynamic() and + * fixed() and is not verified by construct(). + * + * Format notes: + * + * - Permitted and expected examples of incomplete codes are one of the fixed + * codes and any code with a single symbol which in deflate is coded as one + * bit instead of zero bits. See the format notes for fixed() and dynamic(). + * + * - Within a given code length, the symbols are kept in ascending order for + * the code bits definition. + */ +local int construct(struct huffman *h, const short *length, int n) +{ + int symbol; /* current symbol when stepping through length[] */ + int len; /* current length when stepping through h->count[] */ + int left; /* number of possible codes left of current length */ + short offs[MAXBITS+1]; /* offsets in symbol table for each length */ + + /* count number of codes of each length */ + for (len = 0; len <= MAXBITS; len++) + h->count[len] = 0; + for (symbol = 0; symbol < n; symbol++) + (h->count[length[symbol]])++; /* assumes lengths are within bounds */ + if (h->count[0] == n) /* no codes! */ + return 0; /* complete, but decode() will fail */ + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; /* one possible code of zero length */ + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; /* one more bit, double codes left */ + left -= h->count[len]; /* deduct count from possible codes */ + if (left < 0) + return left; /* over-subscribed--return negative */ + } /* left > 0 means incomplete */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + h->count[len]; + + /* + * put symbols in table sorted by length, by symbol order within each + * length + */ + for (symbol = 0; symbol < n; symbol++) + if (length[symbol] != 0) + h->symbol[offs[length[symbol]]++] = symbol; + + /* return zero for complete set, positive for incomplete set */ + return left; +} + +/* + * Decode literal/length and distance codes until an end-of-block code. + * + * Format notes: + * + * - Compressed data that is after the block type if fixed or after the code + * description if dynamic is a combination of literals and length/distance + * pairs terminated by and end-of-block code. Literals are simply Huffman + * coded bytes. A length/distance pair is a coded length followed by a + * coded distance to represent a string that occurs earlier in the + * uncompressed data that occurs again at the current location. + * + * - Literals, lengths, and the end-of-block code are combined into a single + * code of up to 286 symbols. They are 256 literals (0..255), 29 length + * symbols (257..285), and the end-of-block symbol (256). + * + * - There are 256 possible lengths (3..258), and so 29 symbols are not enough + * to represent all of those. Lengths 3..10 and 258 are in fact represented + * by just a length symbol. Lengths 11..257 are represented as a symbol and + * some number of extra bits that are added as an integer to the base length + * of the length symbol. The number of extra bits is determined by the base + * length symbol. These are in the static arrays below, lens[] for the base + * lengths and lext[] for the corresponding number of extra bits. + * + * - The reason that 258 gets its own symbol is that the longest length is used + * often in highly redundant files. Note that 258 can also be coded as the + * base value 227 plus the maximum extra value of 31. While a good deflate + * should never do this, it is not an error, and should be decoded properly. + * + * - If a length is decoded, including its extra bits if any, then it is + * followed a distance code. There are up to 30 distance symbols. Again + * there are many more possible distances (1..32768), so extra bits are added + * to a base value represented by the symbol. The distances 1..4 get their + * own symbol, but the rest require extra bits. The base distances and + * corresponding number of extra bits are below in the static arrays dist[] + * and dext[]. + * + * - Literal bytes are simply written to the output. A length/distance pair is + * an instruction to copy previously uncompressed bytes to the output. The + * copy is from distance bytes back in the output stream, copying for length + * bytes. + * + * - Distances pointing before the beginning of the output data are not + * permitted. + * + * - Overlapped copies, where the length is greater than the distance, are + * allowed and common. For example, a distance of one and a length of 258 + * simply copies the last byte 258 times. A distance of four and a length of + * twelve copies the last four bytes three times. A simple forward copy + * ignoring whether the length is greater than the distance or not implements + * this correctly. You should not use memcpy() since its behavior is not + * defined for overlapped arrays. You should not use memmove() or bcopy() + * since though their behavior -is- defined for overlapping arrays, it is + * defined to do the wrong thing in this case. + */ +local int codes(struct state *s, + const struct huffman *lencode, + const struct huffman *distcode) +{ + int symbol; /* decoded symbol */ + int len; /* length for copy */ + unsigned dist; /* distance for copy */ + static const short lens[29] = { /* Size base for length codes 257..285 */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, + 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; + static const short lext[29] = { /* Extra bits for length codes 257..285 */ + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, + 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0}; + static const short dists[30] = { /* Offset base for distance codes 0..29 */ + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, + 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, + 8193, 12289, 16385, 24577}; + static const short dext[30] = { /* Extra bits for distance codes 0..29 */ + 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, + 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, + 12, 12, 13, 13}; + + /* decode literals and length/distance pairs */ + do { + symbol = decode(s, lencode); + if (symbol < 0) + return symbol; /* invalid symbol */ + if (symbol < 256) { /* literal: symbol is the byte */ + /* write out the literal */ + if (s->out != NIL) { + if (s->outcnt == s->outlen) + return 1; + s->out[s->outcnt] = symbol; + } + s->outcnt++; + } + else if (symbol > 256) { /* length */ + /* get and compute length */ + symbol -= 257; + if (symbol >= 29) + return -10; /* invalid fixed code */ + len = lens[symbol] + bits(s, lext[symbol]); + + /* get and check distance */ + symbol = decode(s, distcode); + if (symbol < 0) + return symbol; /* invalid symbol */ + dist = dists[symbol] + bits(s, dext[symbol]); +#ifndef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + if (dist > s->outcnt) + return -11; /* distance too far back */ +#endif + + /* copy length bytes from distance bytes back */ + if (s->out != NIL) { + if (s->outcnt + len > s->outlen) + return 1; + while (len--) { + s->out[s->outcnt] = +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + dist > s->outcnt ? + 0 : +#endif + s->out[s->outcnt - dist]; + s->outcnt++; + } + } + else + s->outcnt += len; + } + } while (symbol != 256); /* end of block symbol */ + + /* done with a valid fixed or dynamic block */ + return 0; +} + +/* + * Process a fixed codes block. + * + * Format notes: + * + * - This block type can be useful for compressing small amounts of data for + * which the size of the code descriptions in a dynamic block exceeds the + * benefit of custom codes for that block. For fixed codes, no bits are + * spent on code descriptions. Instead the code lengths for literal/length + * codes and distance codes are fixed. The specific lengths for each symbol + * can be seen in the "for" loops below. + * + * - The literal/length code is complete, but has two symbols that are invalid + * and should result in an error if received. This cannot be implemented + * simply as an incomplete code since those two symbols are in the "middle" + * of the code. They are eight bits long and the longest literal/length\ + * code is nine bits. Therefore the code must be constructed with those + * symbols, and the invalid symbols must be detected after decoding. + * + * - The fixed distance codes also have two invalid symbols that should result + * in an error if received. Since all of the distance codes are the same + * length, this can be implemented as an incomplete code. Then the invalid + * codes are detected while decoding. + */ +local int fixed(struct state *s) +{ + static int virgin = 1; + static short lencnt[MAXBITS+1], lensym[FIXLCODES]; + static short distcnt[MAXBITS+1], distsym[MAXDCODES]; + static struct huffman lencode, distcode; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + int symbol; + short lengths[FIXLCODES]; + + /* construct lencode and distcode */ + lencode.count = lencnt; + lencode.symbol = lensym; + distcode.count = distcnt; + distcode.symbol = distsym; + + /* literal/length table */ + for (symbol = 0; symbol < 144; symbol++) + lengths[symbol] = 8; + for (; symbol < 256; symbol++) + lengths[symbol] = 9; + for (; symbol < 280; symbol++) + lengths[symbol] = 7; + for (; symbol < FIXLCODES; symbol++) + lengths[symbol] = 8; + construct(&lencode, lengths, FIXLCODES); + + /* distance table */ + for (symbol = 0; symbol < MAXDCODES; symbol++) + lengths[symbol] = 5; + construct(&distcode, lengths, MAXDCODES); + + /* do this just once */ + virgin = 0; + } + + /* decode data until end-of-block code */ + return codes(s, &lencode, &distcode); +} + +/* + * Process a dynamic codes block. + * + * Format notes: + * + * - A dynamic block starts with a description of the literal/length and + * distance codes for that block. New dynamic blocks allow the compressor to + * rapidly adapt to changing data with new codes optimized for that data. + * + * - The codes used by the deflate format are "canonical", which means that + * the actual bits of the codes are generated in an unambiguous way simply + * from the number of bits in each code. Therefore the code descriptions + * are simply a list of code lengths for each symbol. + * + * - The code lengths are stored in order for the symbols, so lengths are + * provided for each of the literal/length symbols, and for each of the + * distance symbols. + * + * - If a symbol is not used in the block, this is represented by a zero as + * as the code length. This does not mean a zero-length code, but rather + * that no code should be created for this symbol. There is no way in the + * deflate format to represent a zero-length code. + * + * - The maximum number of bits in a code is 15, so the possible lengths for + * any code are 1..15. + * + * - The fact that a length of zero is not permitted for a code has an + * interesting consequence. Normally if only one symbol is used for a given + * code, then in fact that code could be represented with zero bits. However + * in deflate, that code has to be at least one bit. So for example, if + * only a single distance base symbol appears in a block, then it will be + * represented by a single code of length one, in particular one 0 bit. This + * is an incomplete code, since if a 1 bit is received, it has no meaning, + * and should result in an error. So incomplete distance codes of one symbol + * should be permitted, and the receipt of invalid codes should be handled. + * + * - It is also possible to have a single literal/length code, but that code + * must be the end-of-block code, since every dynamic block has one. This + * is not the most efficient way to create an empty block (an empty fixed + * block is fewer bits), but it is allowed by the format. So incomplete + * literal/length codes of one symbol should also be permitted. + * + * - If there are only literal codes and no lengths, then there are no distance + * codes. This is represented by one distance code with zero bits. + * + * - The list of up to 286 length/literal lengths and up to 30 distance lengths + * are themselves compressed using Huffman codes and run-length encoding. In + * the list of code lengths, a 0 symbol means no code, a 1..15 symbol means + * that length, and the symbols 16, 17, and 18 are run-length instructions. + * Each of 16, 17, and 18 are followed by extra bits to define the length of + * the run. 16 copies the last length 3 to 6 times. 17 represents 3 to 10 + * zero lengths, and 18 represents 11 to 138 zero lengths. Unused symbols + * are common, hence the special coding for zero lengths. + * + * - The symbols for 0..18 are Huffman coded, and so that code must be + * described first. This is simply a sequence of up to 19 three-bit values + * representing no code (0) or the code length for that symbol (1..7). + * + * - A dynamic block starts with three fixed-size counts from which is computed + * the number of literal/length code lengths, the number of distance code + * lengths, and the number of code length code lengths (ok, you come up with + * a better name!) in the code descriptions. For the literal/length and + * distance codes, lengths after those provided are considered zero, i.e. no + * code. The code length code lengths are received in a permuted order (see + * the order[] array below) to make a short code length code length list more + * likely. As it turns out, very short and very long codes are less likely + * to be seen in a dynamic code description, hence what may appear initially + * to be a peculiar ordering. + * + * - Given the number of literal/length code lengths (nlen) and distance code + * lengths (ndist), then they are treated as one long list of nlen + ndist + * code lengths. Therefore run-length coding can and often does cross the + * boundary between the two sets of lengths. + * + * - So to summarize, the code description at the start of a dynamic block is + * three counts for the number of code lengths for the literal/length codes, + * the distance codes, and the code length codes. This is followed by the + * code length code lengths, three bits each. This is used to construct the + * code length code which is used to read the remainder of the lengths. Then + * the literal/length code lengths and distance lengths are read as a single + * set of lengths using the code length codes. Codes are constructed from + * the resulting two sets of lengths, and then finally you can start + * decoding actual compressed data in the block. + * + * - For reference, a "typical" size for the code description in a dynamic + * block is around 80 bytes. + */ +local int dynamic(struct state *s) +{ + int nlen, ndist, ncode; /* number of lengths in descriptor */ + int index; /* index of lengths[] */ + int err; /* construct() return value */ + short lengths[MAXCODES]; /* descriptor code lengths */ + short lencnt[MAXBITS+1], lensym[MAXLCODES]; /* lencode memory */ + short distcnt[MAXBITS+1], distsym[MAXDCODES]; /* distcode memory */ + struct huffman lencode, distcode; /* length and distance codes */ + static const short order[19] = /* permutation of code length codes */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + /* construct lencode and distcode */ + lencode.count = lencnt; + lencode.symbol = lensym; + distcode.count = distcnt; + distcode.symbol = distsym; + + /* get number of lengths in each table, check lengths */ + nlen = bits(s, 5) + 257; + ndist = bits(s, 5) + 1; + ncode = bits(s, 4) + 4; + if (nlen > MAXLCODES || ndist > MAXDCODES) + return -3; /* bad counts */ + + /* read code length code lengths (really), missing lengths are zero */ + for (index = 0; index < ncode; index++) + lengths[order[index]] = bits(s, 3); + for (; index < 19; index++) + lengths[order[index]] = 0; + + /* build huffman table for code lengths codes (use lencode temporarily) */ + err = construct(&lencode, lengths, 19); + if (err != 0) /* require complete code set here */ + return -4; + + /* read length/literal and distance code length tables */ + index = 0; + while (index < nlen + ndist) { + int symbol; /* decoded value */ + int len; /* last length to repeat */ + + symbol = decode(s, &lencode); + if (symbol < 0) + return symbol; /* invalid symbol */ + if (symbol < 16) /* length in 0..15 */ + lengths[index++] = symbol; + else { /* repeat instruction */ + len = 0; /* assume repeating zeros */ + if (symbol == 16) { /* repeat last length 3..6 times */ + if (index == 0) + return -5; /* no last length! */ + len = lengths[index - 1]; /* last length */ + symbol = 3 + bits(s, 2); + } + else if (symbol == 17) /* repeat zero 3..10 times */ + symbol = 3 + bits(s, 3); + else /* == 18, repeat zero 11..138 times */ + symbol = 11 + bits(s, 7); + if (index + symbol > nlen + ndist) + return -6; /* too many lengths! */ + while (symbol--) /* repeat last or zero symbol times */ + lengths[index++] = len; + } + } + + /* check for end-of-block code -- there better be one! */ + if (lengths[256] == 0) + return -9; + + /* build huffman table for literal/length codes */ + err = construct(&lencode, lengths, nlen); + if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1])) + return -7; /* incomplete code ok only for single length 1 code */ + + /* build huffman table for distance codes */ + err = construct(&distcode, lengths + nlen, ndist); + if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1])) + return -8; /* incomplete code ok only for single length 1 code */ + + /* decode data until end-of-block code */ + return codes(s, &lencode, &distcode); +} + +/* + * Inflate source to dest. On return, destlen and sourcelen are updated to the + * size of the uncompressed data and the size of the deflate data respectively. + * On success, the return value of puff() is zero. If there is an error in the + * source data, i.e. it is not in the deflate format, then a negative value is + * returned. If there is not enough input available or there is not enough + * output space, then a positive error is returned. In that case, destlen and + * sourcelen are not updated to facilitate retrying from the beginning with the + * provision of more input data or more output space. In the case of invalid + * inflate data (a negative error), the dest and source pointers are updated to + * facilitate the debugging of deflators. + * + * puff() also has a mode to determine the size of the uncompressed output with + * no output written. For this dest must be (unsigned char *)0. In this case, + * the input value of *destlen is ignored, and on return *destlen is set to the + * size of the uncompressed output. + * + * The return codes are: + * + * 2: available inflate data did not terminate + * 1: output space exhausted before completing inflate + * 0: successful inflate + * -1: invalid block type (type == 3) + * -2: stored block length did not match one's complement + * -3: dynamic block code description: too many length or distance codes + * -4: dynamic block code description: code lengths codes incomplete + * -5: dynamic block code description: repeat lengths with no first length + * -6: dynamic block code description: repeat more than specified lengths + * -7: dynamic block code description: invalid literal/length code lengths + * -8: dynamic block code description: invalid distance code lengths + * -9: dynamic block code description: missing end-of-block code + * -10: invalid literal/length or distance code in fixed or dynamic block + * -11: distance is too far back in fixed or dynamic block + * + * Format notes: + * + * - Three bits are read for each block to determine the kind of block and + * whether or not it is the last block. Then the block is decoded and the + * process repeated if it was not the last block. + * + * - The leftover bits in the last byte of the deflate data after the last + * block (if it was a fixed or dynamic block) are undefined and have no + * expected values to check. + */ +int puff(unsigned char *dest, /* pointer to destination pointer */ + unsigned long *destlen, /* amount of output space */ + const unsigned char *source, /* pointer to source data pointer */ + unsigned long *sourcelen) /* amount of input available */ +{ + struct state s; /* input/output state */ + int last, type; /* block information */ + int err; /* return value */ + + /* initialize output state */ + s.out = dest; + s.outlen = *destlen; /* ignored if dest is NIL */ + s.outcnt = 0; + + /* initialize input state */ + s.in = source; + s.inlen = *sourcelen; + s.incnt = 0; + s.bitbuf = 0; + s.bitcnt = 0; + + /* return if bits() or decode() tries to read past available input */ + if (setjmp(s.env) != 0) /* if came back here via longjmp() */ + err = 2; /* then skip do-loop, return error */ + else { + /* process blocks until last block or error */ + do { + last = bits(&s, 1); /* one if last block */ + type = bits(&s, 2); /* block type 0..3 */ + err = type == 0 ? + stored(&s) : + (type == 1 ? + fixed(&s) : + (type == 2 ? + dynamic(&s) : + -1)); /* type == 3, invalid */ + if (err != 0) + break; /* return with error */ + } while (!last); + } + + /* update the lengths and return */ + if (err <= 0) { + *destlen = s.outcnt; + *sourcelen = s.incnt; + } + return err; +} diff --git a/contrib/puff/puff.h b/contrib/puff/puff.h new file mode 100644 index 0000000..e23a245 --- /dev/null +++ b/contrib/puff/puff.h @@ -0,0 +1,35 @@ +/* puff.h + Copyright (C) 2002-2013 Mark Adler, all rights reserved + version 2.3, 21 Jan 2013 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + + +/* + * See puff.c for purpose and usage. + */ +#ifndef NIL +# define NIL ((unsigned char *)0) /* for no output option */ +#endif + +int puff(unsigned char *dest, /* pointer to destination pointer */ + unsigned long *destlen, /* amount of output space */ + const unsigned char *source, /* pointer to source data pointer */ + unsigned long *sourcelen); /* amount of input available */ diff --git a/contrib/puff/pufftest.c b/contrib/puff/pufftest.c new file mode 100644 index 0000000..5f72ecc --- /dev/null +++ b/contrib/puff/pufftest.c @@ -0,0 +1,165 @@ +/* + * pufftest.c + * Copyright (C) 2002-2013 Mark Adler + * For conditions of distribution and use, see copyright notice in puff.h + * version 2.3, 21 Jan 2013 + */ + +/* Example of how to use puff(). + + Usage: puff [-w] [-f] [-nnn] file + ... | puff [-w] [-f] [-nnn] + + where file is the input file with deflate data, nnn is the number of bytes + of input to skip before inflating (e.g. to skip a zlib or gzip header), and + -w is used to write the decompressed data to stdout. -f is for coverage + testing, and causes pufftest to fail with not enough output space (-f does + a write like -w, so -w is not required). */ + +#include +#include +#include "puff.h" + +#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) +# include +# include +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +#define local static + +/* Return size times approximately the cube root of 2, keeping the result as 1, + 3, or 5 times a power of 2 -- the result is always > size, until the result + is the maximum value of an unsigned long, where it remains. This is useful + to keep reallocations less than ~33% over the actual data. */ +local size_t bythirds(size_t size) +{ + int n; + size_t m; + + m = size; + for (n = 0; m; n++) + m >>= 1; + if (n < 3) + return size + 1; + n -= 3; + m = size >> n; + m += m == 6 ? 2 : 1; + m <<= n; + return m > size ? m : (size_t)(-1); +} + +/* Read the input file *name, or stdin if name is NULL, into allocated memory. + Reallocate to larger buffers until the entire file is read in. Return a + pointer to the allocated data, or NULL if there was a memory allocation + failure. *len is the number of bytes of data read from the input file (even + if load() returns NULL). If the input file was empty or could not be opened + or read, *len is zero. */ +local void *load(const char *name, size_t *len) +{ + size_t size; + void *buf, *swap; + FILE *in; + + *len = 0; + buf = malloc(size = 4096); + if (buf == NULL) + return NULL; + in = name == NULL ? stdin : fopen(name, "rb"); + if (in != NULL) { + for (;;) { + *len += fread((char *)buf + *len, 1, size - *len, in); + if (*len < size) break; + size = bythirds(size); + if (size == *len || (swap = realloc(buf, size)) == NULL) { + free(buf); + buf = NULL; + break; + } + buf = swap; + } + fclose(in); + } + return buf; +} + +int main(int argc, char **argv) +{ + int ret, put = 0, fail = 0; + unsigned skip = 0; + char *arg, *name = NULL; + unsigned char *source = NULL, *dest; + size_t len = 0; + unsigned long sourcelen, destlen; + + /* process arguments */ + while (arg = *++argv, --argc) + if (arg[0] == '-') { + if (arg[1] == 'w' && arg[2] == 0) + put = 1; + else if (arg[1] == 'f' && arg[2] == 0) + fail = 1, put = 1; + else if (arg[1] >= '0' && arg[1] <= '9') + skip = (unsigned)atoi(arg + 1); + else { + fprintf(stderr, "invalid option %s\n", arg); + return 3; + } + } + else if (name != NULL) { + fprintf(stderr, "only one file name allowed\n"); + return 3; + } + else + name = arg; + source = load(name, &len); + if (source == NULL) { + fprintf(stderr, "memory allocation failure\n"); + return 4; + } + if (len == 0) { + fprintf(stderr, "could not read %s, or it was empty\n", + name == NULL ? "" : name); + free(source); + return 3; + } + if (skip >= len) { + fprintf(stderr, "skip request of %d leaves no input\n", skip); + free(source); + return 3; + } + + /* test inflate data with offset skip */ + len -= skip; + sourcelen = (unsigned long)len; + ret = puff(NIL, &destlen, source + skip, &sourcelen); + if (ret) + fprintf(stderr, "puff() failed with return code %d\n", ret); + else { + fprintf(stderr, "puff() succeeded uncompressing %lu bytes\n", destlen); + if (sourcelen < len) fprintf(stderr, "%lu compressed bytes unused\n", + len - sourcelen); + } + + /* if requested, inflate again and write decompressed data to stdout */ + if (put && ret == 0) { + if (fail) + destlen >>= 1; + dest = malloc(destlen); + if (dest == NULL) { + fprintf(stderr, "memory allocation failure\n"); + free(source); + return 4; + } + puff(dest, &destlen, source + skip, &sourcelen); + SET_BINARY_MODE(stdout); + fwrite(dest, 1, destlen, stdout); + free(dest); + } + + /* clean up */ + free(source); + return ret; +} diff --git a/contrib/puff/zeros.raw b/contrib/puff/zeros.raw new file mode 100644 index 0000000..0a90e76 Binary files /dev/null and b/contrib/puff/zeros.raw differ diff --git a/contrib/testzlib/testzlib.c b/contrib/testzlib/testzlib.c new file mode 100644 index 0000000..8626c92 --- /dev/null +++ b/contrib/testzlib/testzlib.c @@ -0,0 +1,275 @@ +#include +#include +#include + +#include "zlib.h" + + +void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B) +{ + R->HighPart = A.HighPart - B.HighPart; + if (A.LowPart >= B.LowPart) + R->LowPart = A.LowPart - B.LowPart; + else + { + R->LowPart = A.LowPart - B.LowPart; + R->HighPart --; + } +} + +#ifdef _M_X64 +// see http://msdn2.microsoft.com/library/twchhe95(en-us,vs.80).aspx for __rdtsc +unsigned __int64 __rdtsc(void); +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + // printf("rdtsc = %I64x\n",__rdtsc()); + pbeginTime64->QuadPart=__rdtsc(); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres; + unsigned _int64 res=__rdtsc()-((unsigned _int64)(beginTime64.QuadPart)); + LIres.QuadPart=res; + // printf("rdtsc = %I64x\n",__rdtsc()); + return LIres; +} +#else +#ifdef _M_IX86 +void myGetRDTSC32(LARGE_INTEGER * pbeginTime64) +{ + DWORD dwEdx,dwEax; + _asm + { + rdtsc + mov dwEax,eax + mov dwEdx,edx + } + pbeginTime64->LowPart=dwEax; + pbeginTime64->HighPart=dwEdx; +} + +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + myGetRDTSC32(pbeginTime64); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres,endTime64; + myGetRDTSC32(&endTime64); + + LIres.LowPart=LIres.HighPart=0; + MyDoMinus64(&LIres,endTime64,beginTime64); + return LIres; +} +#else +void myGetRDTSC32(LARGE_INTEGER * pbeginTime64) +{ +} + +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER lr; + lr.QuadPart=0; + return lr; +} +#endif +#endif + +void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf) +{ + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64))) + { + pbeginTime64->LowPart = GetTickCount(); + pbeginTime64->HighPart = 0; + } +} + +DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER endTime64,ticksPerSecond,ticks; + DWORDLONG ticksShifted,tickSecShifted; + DWORD dwLog=16+0; + DWORD dwRet; + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64))) + dwRet = (GetTickCount() - beginTime64.LowPart)*1; + else + { + MyDoMinus64(&ticks,endTime64,beginTime64); + QueryPerformanceFrequency(&ticksPerSecond); + + + { + ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog); + tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog); + + } + + dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted)); + dwRet *=1; + } + return dwRet; +} + +int ReadFileMemory(const char* filename,long* plFileSize,unsigned char** pFilePtr) +{ + FILE* stream; + unsigned char* ptr; + int retVal=1; + stream=fopen(filename, "rb"); + if (stream==NULL) + return 0; + + fseek(stream,0,SEEK_END); + + *plFileSize=ftell(stream); + fseek(stream,0,SEEK_SET); + ptr=malloc((*plFileSize)+1); + if (ptr==NULL) + retVal=0; + else + { + if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize)) + retVal=0; + } + fclose(stream); + *pFilePtr=ptr; + return retVal; +} + +int main(int argc, char *argv[]) +{ + int BlockSizeCompress=0x8000; + int BlockSizeUncompress=0x8000; + int cprLevel=Z_DEFAULT_COMPRESSION ; + long lFileSize; + unsigned char* FilePtr; + long lBufferSizeCpr; + long lBufferSizeUncpr; + long lCompressedSize=0; + unsigned char* CprPtr; + unsigned char* UncprPtr; + long lSizeCpr,lSizeUncpr; + DWORD dwGetTick,dwMsecQP; + LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc; + + if (argc<=1) + { + printf("run TestZlib [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n"); + return 0; + } + + if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0) + { + printf("error reading %s\n",argv[1]); + return 1; + } + else printf("file %s read, %u bytes\n",argv[1],lFileSize); + + if (argc>=3) + BlockSizeCompress=atol(argv[2]); + + if (argc>=4) + BlockSizeUncompress=atol(argv[3]); + + if (argc>=5) + cprLevel=(int)atol(argv[4]); + + lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200; + lBufferSizeUncpr = lBufferSizeCpr; + + CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lFileSize; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + deflateInit(&zcpr,cprLevel); + + zcpr.next_in = FilePtr; + zcpr.next_out = CprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeCompress); + zcpr.avail_out = BlockSizeCompress; + ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeCpr=zcpr.total_out; + deflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total compress size = %u, in %u step\n",lSizeCpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr); + UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lSizeCpr; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + inflateInit(&zcpr); + + zcpr.next_in = CprPtr; + zcpr.next_out = UncprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress); + zcpr.avail_out = BlockSizeUncompress; + ret=inflate(&zcpr,Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeUncpr=zcpr.total_out; + inflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("uncpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("uncpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + if (lSizeUncpr==lFileSize) + { + if (memcmp(FilePtr,UncprPtr,lFileSize)==0) + printf("compare ok\n"); + + } + + return 0; +} diff --git a/contrib/testzlib/testzlib.txt b/contrib/testzlib/testzlib.txt new file mode 100644 index 0000000..e508bb2 --- /dev/null +++ b/contrib/testzlib/testzlib.txt @@ -0,0 +1,10 @@ +To build testzLib with Visual Studio 2005: + +copy to a directory file from : +- root of zLib tree +- contrib/testzlib +- contrib/masmx86 +- contrib/masmx64 +- contrib/vstudio/vc7 + +and open testzlib8.sln \ No newline at end of file diff --git a/contrib/untgz/Makefile b/contrib/untgz/Makefile new file mode 100644 index 0000000..b54266f --- /dev/null +++ b/contrib/untgz/Makefile @@ -0,0 +1,14 @@ +CC=cc +CFLAGS=-g + +untgz: untgz.o ../../libz.a + $(CC) $(CFLAGS) -o untgz untgz.o -L../.. -lz + +untgz.o: untgz.c ../../zlib.h + $(CC) $(CFLAGS) -c -I../.. untgz.c + +../../libz.a: + cd ../..; ./configure; make + +clean: + rm -f untgz untgz.o *~ diff --git a/contrib/untgz/Makefile.msc b/contrib/untgz/Makefile.msc new file mode 100644 index 0000000..77b8602 --- /dev/null +++ b/contrib/untgz/Makefile.msc @@ -0,0 +1,17 @@ +CC=cl +CFLAGS=-MD + +untgz.exe: untgz.obj ..\..\zlib.lib + $(CC) $(CFLAGS) untgz.obj ..\..\zlib.lib + +untgz.obj: untgz.c ..\..\zlib.h + $(CC) $(CFLAGS) -c -I..\.. untgz.c + +..\..\zlib.lib: + cd ..\.. + $(MAKE) -f win32\makefile.msc + cd contrib\untgz + +clean: + -del untgz.obj + -del untgz.exe diff --git a/contrib/untgz/untgz.c b/contrib/untgz/untgz.c new file mode 100644 index 0000000..2c391e5 --- /dev/null +++ b/contrib/untgz/untgz.c @@ -0,0 +1,674 @@ +/* + * untgz.c -- Display contents and extract files from a gzip'd TAR file + * + * written by Pedro A. Aranda Gutierrez + * adaptation to Unix by Jean-loup Gailly + * various fixes by Cosmin Truta + */ + +#include +#include +#include +#include +#include + +#include "zlib.h" + +#ifdef unix +# include +#else +# include +# include +#endif + +#ifdef WIN32 +#include +# ifndef F_OK +# define F_OK 0 +# endif +# define mkdir(dirname,mode) _mkdir(dirname) +# ifdef _MSC_VER +# define access(path,mode) _access(path,mode) +# define chmod(path,mode) _chmod(path,mode) +# define strdup(str) _strdup(str) +# endif +#else +# include +#endif + + +/* values used in typeflag field */ + +#define REGTYPE '0' /* regular file */ +#define AREGTYPE '\0' /* regular file */ +#define LNKTYPE '1' /* link */ +#define SYMTYPE '2' /* reserved */ +#define CHRTYPE '3' /* character special */ +#define BLKTYPE '4' /* block special */ +#define DIRTYPE '5' /* directory */ +#define FIFOTYPE '6' /* FIFO special */ +#define CONTTYPE '7' /* reserved */ + +/* GNU tar extensions */ + +#define GNUTYPE_DUMPDIR 'D' /* file names from dumped directory */ +#define GNUTYPE_LONGLINK 'K' /* long link name */ +#define GNUTYPE_LONGNAME 'L' /* long file name */ +#define GNUTYPE_MULTIVOL 'M' /* continuation of file from another volume */ +#define GNUTYPE_NAMES 'N' /* file name that does not fit into main hdr */ +#define GNUTYPE_SPARSE 'S' /* sparse file */ +#define GNUTYPE_VOLHDR 'V' /* tape/volume header */ + + +/* tar header */ + +#define BLOCKSIZE 512 +#define SHORTNAMESIZE 100 + +struct tar_header +{ /* byte offset */ + char name[100]; /* 0 */ + char mode[8]; /* 100 */ + char uid[8]; /* 108 */ + char gid[8]; /* 116 */ + char size[12]; /* 124 */ + char mtime[12]; /* 136 */ + char chksum[8]; /* 148 */ + char typeflag; /* 156 */ + char linkname[100]; /* 157 */ + char magic[6]; /* 257 */ + char version[2]; /* 263 */ + char uname[32]; /* 265 */ + char gname[32]; /* 297 */ + char devmajor[8]; /* 329 */ + char devminor[8]; /* 337 */ + char prefix[155]; /* 345 */ + /* 500 */ +}; + +union tar_buffer +{ + char buffer[BLOCKSIZE]; + struct tar_header header; +}; + +struct attr_item +{ + struct attr_item *next; + char *fname; + int mode; + time_t time; +}; + +enum { TGZ_EXTRACT, TGZ_LIST, TGZ_INVALID }; + +char *TGZfname OF((const char *)); +void TGZnotfound OF((const char *)); + +int getoct OF((char *, int)); +char *strtime OF((time_t *)); +int setfiletime OF((char *, time_t)); +void push_attr OF((struct attr_item **, char *, int, time_t)); +void restore_attr OF((struct attr_item **)); + +int ExprMatch OF((char *, char *)); + +int makedir OF((char *)); +int matchname OF((int, int, char **, char *)); + +void error OF((const char *)); +int tar OF((gzFile, int, int, int, char **)); + +void help OF((int)); +int main OF((int, char **)); + +char *prog; + +const char *TGZsuffix[] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL }; + +/* return the file name of the TGZ archive */ +/* or NULL if it does not exist */ + +char *TGZfname (const char *arcname) +{ + static char buffer[1024]; + int origlen,i; + + strcpy(buffer,arcname); + origlen = strlen(buffer); + + for (i=0; TGZsuffix[i]; i++) + { + strcpy(buffer+origlen,TGZsuffix[i]); + if (access(buffer,F_OK) == 0) + return buffer; + } + return NULL; +} + + +/* error message for the filename */ + +void TGZnotfound (const char *arcname) +{ + int i; + + fprintf(stderr,"%s: Couldn't find ",prog); + for (i=0;TGZsuffix[i];i++) + fprintf(stderr,(TGZsuffix[i+1]) ? "%s%s, " : "or %s%s\n", + arcname, + TGZsuffix[i]); + exit(1); +} + + +/* convert octal digits to int */ +/* on error return -1 */ + +int getoct (char *p,int width) +{ + int result = 0; + char c; + + while (width--) + { + c = *p++; + if (c == 0) + break; + if (c == ' ') + continue; + if (c < '0' || c > '7') + return -1; + result = result * 8 + (c - '0'); + } + return result; +} + + +/* convert time_t to string */ +/* use the "YYYY/MM/DD hh:mm:ss" format */ + +char *strtime (time_t *t) +{ + struct tm *local; + static char result[32]; + + local = localtime(t); + sprintf(result,"%4d/%02d/%02d %02d:%02d:%02d", + local->tm_year+1900, local->tm_mon+1, local->tm_mday, + local->tm_hour, local->tm_min, local->tm_sec); + return result; +} + + +/* set file time */ + +int setfiletime (char *fname,time_t ftime) +{ +#ifdef WIN32 + static int isWinNT = -1; + SYSTEMTIME st; + FILETIME locft, modft; + struct tm *loctm; + HANDLE hFile; + int result; + + loctm = localtime(&ftime); + if (loctm == NULL) + return -1; + + st.wYear = (WORD)loctm->tm_year + 1900; + st.wMonth = (WORD)loctm->tm_mon + 1; + st.wDayOfWeek = (WORD)loctm->tm_wday; + st.wDay = (WORD)loctm->tm_mday; + st.wHour = (WORD)loctm->tm_hour; + st.wMinute = (WORD)loctm->tm_min; + st.wSecond = (WORD)loctm->tm_sec; + st.wMilliseconds = 0; + if (!SystemTimeToFileTime(&st, &locft) || + !LocalFileTimeToFileTime(&locft, &modft)) + return -1; + + if (isWinNT < 0) + isWinNT = (GetVersion() < 0x80000000) ? 1 : 0; + hFile = CreateFile(fname, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, + (isWinNT ? FILE_FLAG_BACKUP_SEMANTICS : 0), + NULL); + if (hFile == INVALID_HANDLE_VALUE) + return -1; + result = SetFileTime(hFile, NULL, NULL, &modft) ? 0 : -1; + CloseHandle(hFile); + return result; +#else + struct utimbuf settime; + + settime.actime = settime.modtime = ftime; + return utime(fname,&settime); +#endif +} + + +/* push file attributes */ + +void push_attr(struct attr_item **list,char *fname,int mode,time_t time) +{ + struct attr_item *item; + + item = (struct attr_item *)malloc(sizeof(struct attr_item)); + if (item == NULL) + error("Out of memory"); + item->fname = strdup(fname); + item->mode = mode; + item->time = time; + item->next = *list; + *list = item; +} + + +/* restore file attributes */ + +void restore_attr(struct attr_item **list) +{ + struct attr_item *item, *prev; + + for (item = *list; item != NULL; ) + { + setfiletime(item->fname,item->time); + chmod(item->fname,item->mode); + prev = item; + item = item->next; + free(prev); + } + *list = NULL; +} + + +/* match regular expression */ + +#define ISSPECIAL(c) (((c) == '*') || ((c) == '/')) + +int ExprMatch (char *string,char *expr) +{ + while (1) + { + if (ISSPECIAL(*expr)) + { + if (*expr == '/') + { + if (*string != '\\' && *string != '/') + return 0; + string ++; expr++; + } + else if (*expr == '*') + { + if (*expr ++ == 0) + return 1; + while (*++string != *expr) + if (*string == 0) + return 0; + } + } + else + { + if (*string != *expr) + return 0; + if (*expr++ == 0) + return 1; + string++; + } + } +} + + +/* recursive mkdir */ +/* abort on ENOENT; ignore other errors like "directory already exists" */ +/* return 1 if OK */ +/* 0 on error */ + +int makedir (char *newdir) +{ + char *buffer = strdup(newdir); + char *p; + int len = strlen(buffer); + + if (len <= 0) { + free(buffer); + return 0; + } + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mkdir(buffer, 0755) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mkdir(buffer, 0755) == -1) && (errno == ENOENT)) + { + fprintf(stderr,"%s: Couldn't create directory %s\n",prog,buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + + +int matchname (int arg,int argc,char **argv,char *fname) +{ + if (arg == argc) /* no arguments given (untgz tgzarchive) */ + return 1; + + while (arg < argc) + if (ExprMatch(fname,argv[arg++])) + return 1; + + return 0; /* ignore this for the moment being */ +} + + +/* tar file list or extract */ + +int tar (gzFile in,int action,int arg,int argc,char **argv) +{ + union tar_buffer buffer; + int len; + int err; + int getheader = 1; + int remaining = 0; + FILE *outfile = NULL; + char fname[BLOCKSIZE]; + int tarmode; + time_t tartime; + struct attr_item *attributes = NULL; + + if (action == TGZ_LIST) + printf(" date time size file\n" + " ---------- -------- --------- -------------------------------------\n"); + while (1) + { + len = gzread(in, &buffer, BLOCKSIZE); + if (len < 0) + error(gzerror(in, &err)); + /* + * Always expect complete blocks to process + * the tar information. + */ + if (len != BLOCKSIZE) + { + action = TGZ_INVALID; /* force error exit */ + remaining = 0; /* force I/O cleanup */ + } + + /* + * If we have to get a tar header + */ + if (getheader >= 1) + { + /* + * if we met the end of the tar + * or the end-of-tar block, + * we are done + */ + if (len == 0 || buffer.header.name[0] == 0) + break; + + tarmode = getoct(buffer.header.mode,8); + tartime = (time_t)getoct(buffer.header.mtime,12); + if (tarmode == -1 || tartime == (time_t)-1) + { + buffer.header.name[0] = 0; + action = TGZ_INVALID; + } + + if (getheader == 1) + { + strncpy(fname,buffer.header.name,SHORTNAMESIZE); + if (fname[SHORTNAMESIZE-1] != 0) + fname[SHORTNAMESIZE] = 0; + } + else + { + /* + * The file name is longer than SHORTNAMESIZE + */ + if (strncmp(fname,buffer.header.name,SHORTNAMESIZE-1) != 0) + error("bad long name"); + getheader = 1; + } + + /* + * Act according to the type flag + */ + switch (buffer.header.typeflag) + { + case DIRTYPE: + if (action == TGZ_LIST) + printf(" %s %s\n",strtime(&tartime),fname); + if (action == TGZ_EXTRACT) + { + makedir(fname); + push_attr(&attributes,fname,tarmode,tartime); + } + break; + case REGTYPE: + case AREGTYPE: + remaining = getoct(buffer.header.size,12); + if (remaining == -1) + { + action = TGZ_INVALID; + break; + } + if (action == TGZ_LIST) + printf(" %s %9d %s\n",strtime(&tartime),remaining,fname); + else if (action == TGZ_EXTRACT) + { + if (matchname(arg,argc,argv,fname)) + { + outfile = fopen(fname,"wb"); + if (outfile == NULL) { + /* try creating directory */ + char *p = strrchr(fname, '/'); + if (p != NULL) { + *p = '\0'; + makedir(fname); + *p = '/'; + outfile = fopen(fname,"wb"); + } + } + if (outfile != NULL) + printf("Extracting %s\n",fname); + else + fprintf(stderr, "%s: Couldn't create %s",prog,fname); + } + else + outfile = NULL; + } + getheader = 0; + break; + case GNUTYPE_LONGLINK: + case GNUTYPE_LONGNAME: + remaining = getoct(buffer.header.size,12); + if (remaining < 0 || remaining >= BLOCKSIZE) + { + action = TGZ_INVALID; + break; + } + len = gzread(in, fname, BLOCKSIZE); + if (len < 0) + error(gzerror(in, &err)); + if (fname[BLOCKSIZE-1] != 0 || (int)strlen(fname) > remaining) + { + action = TGZ_INVALID; + break; + } + getheader = 2; + break; + default: + if (action == TGZ_LIST) + printf(" %s <---> %s\n",strtime(&tartime),fname); + break; + } + } + else + { + unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining; + + if (outfile != NULL) + { + if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes) + { + fprintf(stderr, + "%s: Error writing %s -- skipping\n",prog,fname); + fclose(outfile); + outfile = NULL; + remove(fname); + } + } + remaining -= bytes; + } + + if (remaining == 0) + { + getheader = 1; + if (outfile != NULL) + { + fclose(outfile); + outfile = NULL; + if (action != TGZ_INVALID) + push_attr(&attributes,fname,tarmode,tartime); + } + } + + /* + * Abandon if errors are found + */ + if (action == TGZ_INVALID) + { + error("broken archive"); + break; + } + } + + /* + * Restore file modes and time stamps + */ + restore_attr(&attributes); + + if (gzclose(in) != Z_OK) + error("failed gzclose"); + + return 0; +} + + +/* ============================================================ */ + +void help(int exitval) +{ + printf("untgz version 0.2.1\n" + " using zlib version %s\n\n", + zlibVersion()); + printf("Usage: untgz file.tgz extract all files\n" + " untgz file.tgz fname ... extract selected files\n" + " untgz -l file.tgz list archive contents\n" + " untgz -h display this help\n"); + exit(exitval); +} + +void error(const char *msg) +{ + fprintf(stderr, "%s: %s\n", prog, msg); + exit(1); +} + + +/* ============================================================ */ + +#if defined(WIN32) && defined(__GNUC__) +int _CRT_glob = 0; /* disable argument globbing in MinGW */ +#endif + +int main(int argc,char **argv) +{ + int action = TGZ_EXTRACT; + int arg = 1; + char *TGZfile; + gzFile *f; + + prog = strrchr(argv[0],'\\'); + if (prog == NULL) + { + prog = strrchr(argv[0],'/'); + if (prog == NULL) + { + prog = strrchr(argv[0],':'); + if (prog == NULL) + prog = argv[0]; + else + prog++; + } + else + prog++; + } + else + prog++; + + if (argc == 1) + help(0); + + if (strcmp(argv[arg],"-l") == 0) + { + action = TGZ_LIST; + if (argc == ++arg) + help(0); + } + else if (strcmp(argv[arg],"-h") == 0) + { + help(0); + } + + if ((TGZfile = TGZfname(argv[arg])) == NULL) + TGZnotfound(argv[arg]); + + ++arg; + if ((action == TGZ_LIST) && (arg != argc)) + help(1); + +/* + * Process the TGZ file + */ + switch(action) + { + case TGZ_LIST: + case TGZ_EXTRACT: + f = gzopen(TGZfile,"rb"); + if (f == NULL) + { + fprintf(stderr,"%s: Couldn't gzopen %s\n",prog,TGZfile); + return 1; + } + exit(tar(f, action, arg, argc, argv)); + break; + + default: + error("Unknown option"); + exit(1); + } + + return 0; +} diff --git a/contrib/vstudio/readme.txt b/contrib/vstudio/readme.txt new file mode 100644 index 0000000..a2e2b8d --- /dev/null +++ b/contrib/vstudio/readme.txt @@ -0,0 +1,75 @@ +Building instructions for the DLL versions of Zlib 1.2.13 +======================================================== + +This directory contains projects that build zlib and minizip using +Microsoft Visual C++ 9.0/10.0. + +You don't need to build these projects yourself. You can download the +binaries from: + http://www.winimage.com/zLibDll + +More information can be found at this site. + + + + + +Build instructions for Visual Studio 2008 (32 bits or 64 bits) +-------------------------------------------------------------- +- Decompress current zlib, including all contrib/* files +- Open contrib\vstudio\vc9\zlibvc.sln with Microsoft Visual C++ 2008 +- Or run: vcbuild /rebuild contrib\vstudio\vc9\zlibvc.sln "Release|Win32" + +Build instructions for Visual Studio 2010 (32 bits or 64 bits) +-------------------------------------------------------------- +- Decompress current zlib, including all contrib/* files +- Open contrib\vstudio\vc10\zlibvc.sln with Microsoft Visual C++ 2010 + +Build instructions for Visual Studio 2012 (32 bits or 64 bits) +-------------------------------------------------------------- +- Decompress current zlib, including all contrib/* files +- Open contrib\vstudio\vc11\zlibvc.sln with Microsoft Visual C++ 2012 + +Build instructions for Visual Studio 2013 (32 bits or 64 bits) +-------------------------------------------------------------- +- Decompress current zlib, including all contrib/* files +- Open contrib\vstudio\vc12\zlibvc.sln with Microsoft Visual C++ 2013 + +Build instructions for Visual Studio 2015 (32 bits or 64 bits) +-------------------------------------------------------------- +- Decompress current zlib, including all contrib/* files +- Open contrib\vstudio\vc14\zlibvc.sln with Microsoft Visual C++ 2015 + + +Important +--------- +- To use zlibwapi.dll in your application, you must define the + macro ZLIB_WINAPI when compiling your application's source files. + + +Additional notes +---------------- +- This DLL, named zlibwapi.dll, is compatible to the old zlib.dll built + by Gilles Vollant from the zlib 1.1.x sources, and distributed at + http://www.winimage.com/zLibDll + It uses the WINAPI calling convention for the exported functions, and + includes the minizip functionality. If your application needs that + particular build of zlib.dll, you can rename zlibwapi.dll to zlib.dll. + +- The new DLL was renamed because there exist several incompatible + versions of zlib.dll on the Internet. + +- There is also an official DLL build of zlib, named zlib1.dll. This one + is exporting the functions using the CDECL convention. See the file + win32\DLL_FAQ.txt found in this zlib distribution. + +- There used to be a ZLIB_DLL macro in zlib 1.1.x, but now this symbol + has a slightly different effect. To avoid compatibility problems, do + not define it here. + + +Gilles Vollant +info@winimage.com + +Visual Studio 2013 and 2015 Projects from Sean Hunt +seandhunt_7@yahoo.com diff --git a/contrib/vstudio/vc10/miniunz.vcxproj b/contrib/vstudio/vc10/miniunz.vcxproj new file mode 100644 index 0000000..1b36242 --- /dev/null +++ b/contrib/vstudio/vc10/miniunz.vcxproj @@ -0,0 +1,310 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694382A} + Win32Proj + + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + true + false + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + false + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + true + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + true + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + false + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebug + false + + + $(IntDir) + Level3 + EditAndContinue + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/miniunz.vcxproj.filters b/contrib/vstudio/vc10/miniunz.vcxproj.filters new file mode 100644 index 0000000..0164e7d --- /dev/null +++ b/contrib/vstudio/vc10/miniunz.vcxproj.filters @@ -0,0 +1,22 @@ + + + + + {048af943-022b-4db6-beeb-a54c34774ee2} + cpp;c;cxx;def;odl;idl;hpj;bat + + + {c1d600d2-888f-4aea-b73e-8b0dd9befa0c} + h;hpp;hxx;hm;inl;inc + + + {0844199a-966b-4f19-81db-1e0125e141b9} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe + + + + + Source Files + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/minizip.vcxproj b/contrib/vstudio/vc10/minizip.vcxproj new file mode 100644 index 0000000..ccd3651 --- /dev/null +++ b/contrib/vstudio/vc10/minizip.vcxproj @@ -0,0 +1,307 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B} + Win32Proj + + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + true + false + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + false + x64\$(Configuration)\ + x64\$(Configuration)\ + true + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + true + false + x64\$(Configuration)\ + x64\$(Configuration)\ + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebug + false + + + $(IntDir) + Level3 + EditAndContinue + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/minizip.vcxproj.filters b/contrib/vstudio/vc10/minizip.vcxproj.filters new file mode 100644 index 0000000..2badd4b --- /dev/null +++ b/contrib/vstudio/vc10/minizip.vcxproj.filters @@ -0,0 +1,22 @@ + + + + + {c0419b40-bf50-40da-b153-ff74215b79de} + cpp;c;cxx;def;odl;idl;hpj;bat + + + {bb87b070-735b-478e-92ce-7383abb2f36c} + h;hpp;hxx;hm;inl;inc + + + {f46ab6a6-548f-43cb-ae96-681abb5bd5db} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe + + + + + Source Files + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/testzlib.vcxproj b/contrib/vstudio/vc10/testzlib.vcxproj new file mode 100644 index 0000000..9dae277 --- /dev/null +++ b/contrib/vstudio/vc10/testzlib.vcxproj @@ -0,0 +1,412 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B} + testzlib + Win32Proj + + + + Application + MultiByte + true + + + Application + MultiByte + true + + + Application + MultiByte + + + Application + MultiByte + true + + + Application + MultiByte + true + + + Application + MultiByte + + + Application + true + + + Application + true + + + Application + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + true + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + true + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebug + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + EditAndContinue + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDebugDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/testzlib.vcxproj.filters b/contrib/vstudio/vc10/testzlib.vcxproj.filters new file mode 100644 index 0000000..177ea79 --- /dev/null +++ b/contrib/vstudio/vc10/testzlib.vcxproj.filters @@ -0,0 +1,55 @@ + + + + + {c1f6a2e3-5da5-4955-8653-310d3efe05a9} + cpp;c;cxx;def;odl;idl;hpj;bat + + + {c2aaffdc-2c95-4d6f-8466-4bec5890af2c} + h;hpp;hxx;hm;inl;inc + + + {c274fe07-05f2-461c-964b-f6341e4e7eb5} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/testzlibdll.vcxproj b/contrib/vstudio/vc10/testzlibdll.vcxproj new file mode 100644 index 0000000..8e38876 --- /dev/null +++ b/contrib/vstudio/vc10/testzlibdll.vcxproj @@ -0,0 +1,310 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694366A} + Win32Proj + + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + true + false + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + false + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + true + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + true + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + false + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebug + false + + + $(IntDir) + Level3 + EditAndContinue + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/testzlibdll.vcxproj.filters b/contrib/vstudio/vc10/testzlibdll.vcxproj.filters new file mode 100644 index 0000000..ac35c59 --- /dev/null +++ b/contrib/vstudio/vc10/testzlibdll.vcxproj.filters @@ -0,0 +1,22 @@ + + + + + {fa61a89f-93fc-4c89-b29e-36224b7592f4} + cpp;c;cxx;def;odl;idl;hpj;bat + + + {d4b85da0-2ba2-4934-b57f-e2584e3848ee} + h;hpp;hxx;hm;inl;inc + + + {e573e075-00bd-4a7d-bd67-a8cc9bfc5aca} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe + + + + + Source Files + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/zlib.rc b/contrib/vstudio/vc10/zlib.rc new file mode 100644 index 0000000..cdd7985 --- /dev/null +++ b/contrib/vstudio/vc10/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1, 2, 13, 0 + PRODUCTVERSION 1, 2, 13, 0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" + VALUE "FileVersion", "1.2.13\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlibwapi.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/contrib/vstudio/vc10/zlibstat.vcxproj b/contrib/vstudio/vc10/zlibstat.vcxproj new file mode 100644 index 0000000..c661517 --- /dev/null +++ b/contrib/vstudio/vc10/zlibstat.vcxproj @@ -0,0 +1,449 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8} + + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + %(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + + + MultiThreadedDebug + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/zlibstat.vcxproj.filters b/contrib/vstudio/vc10/zlibstat.vcxproj.filters new file mode 100644 index 0000000..d3762dc --- /dev/null +++ b/contrib/vstudio/vc10/zlibstat.vcxproj.filters @@ -0,0 +1,74 @@ + + + + + {174213f6-7f66-4ae8-a3a8-a1e0a1e6ffdd} + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + + + Source Files + + + + + Source Files + + + \ No newline at end of file diff --git a/contrib/vstudio/vc10/zlibvc.def b/contrib/vstudio/vc10/zlibvc.def new file mode 100644 index 0000000..99c71e3 --- /dev/null +++ b/contrib/vstudio/vc10/zlibvc.def @@ -0,0 +1,158 @@ +LIBRARY +; zlib data compression and ZIP file I/O library + +VERSION 1.2 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + deflatePending @52 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 + +; zlibwapi v1.2.4 added: + fill_win32_filefunc64 @111 + fill_win32_filefunc64A @112 + fill_win32_filefunc64W @113 + + unzOpen64 @120 + unzOpen2_64 @121 + unzGetGlobalInfo64 @122 + unzGetCurrentFileInfo64 @124 + unzGetCurrentFileZStreamPos64 @125 + unztell64 @126 + unzGetFilePos64 @127 + unzGoToFilePos64 @128 + + zipOpen64 @130 + zipOpen2_64 @131 + zipOpenNewFileInZip64 @132 + zipOpenNewFileInZip2_64 @133 + zipOpenNewFileInZip3_64 @134 + zipOpenNewFileInZip4_64 @135 + zipCloseFileInZipRaw64 @136 + +; zlib1 v1.2.4 added: + adler32_combine @140 + crc32_combine @142 + deflateSetHeader @144 + deflateTune @145 + gzbuffer @146 + gzclose_r @147 + gzclose_w @148 + gzdirect @149 + gzoffset @150 + inflateGetHeader @156 + inflateMark @157 + inflatePrime @158 + inflateReset2 @159 + inflateUndermine @160 + +; zlib1 v1.2.6 added: + gzgetc_ @161 + inflateResetKeep @163 + deflateResetKeep @164 + +; zlib1 v1.2.7 added: + gzopen_w @165 + +; zlib1 v1.2.8 added: + inflateGetDictionary @166 + gzvprintf @167 + +; zlib1 v1.2.9 added: + inflateCodesUsed @168 + inflateValidate @169 + uncompress2 @170 + gzfread @171 + gzfwrite @172 + deflateGetDictionary @173 + adler32_z @174 + crc32_z @175 + +; zlib1 v1.2.12 added: + crc32_combine_gen @176 + crc32_combine_gen64 @177 + crc32_combine_op @178 diff --git a/contrib/vstudio/vc10/zlibvc.sln b/contrib/vstudio/vc10/zlibvc.sln new file mode 100644 index 0000000..649f40c --- /dev/null +++ b/contrib/vstudio/vc10/zlibvc.sln @@ -0,0 +1,135 @@ + +Microsoft Visual Studio Solution File, Format Version 11.00 +# Visual Studio 2010 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcxproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcxproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcxproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlibdll", "testzlibdll.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcxproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.Build.0 = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.Build.0 = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.Build.0 = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.Build.0 = Release|Itanium + 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+ Application + MultiByte + + + Application + MultiByte + v110 + + + Application + MultiByte + v110 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + true + false + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + false + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + true + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + true + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + false + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc11/minizip.vcxproj b/contrib/vstudio/vc11/minizip.vcxproj new file mode 100644 index 0000000..d6e98f4 --- /dev/null +++ b/contrib/vstudio/vc11/minizip.vcxproj @@ -0,0 +1,311 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B} + Win32Proj + + + + Application + MultiByte + v110 + + + Application + Unicode + v110 + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + v110 + + + Application + MultiByte + v110 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + true + false + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + false + x64\$(Configuration)\ + x64\$(Configuration)\ + true + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + true + false + x64\$(Configuration)\ + x64\$(Configuration)\ + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc11/testzlib.vcxproj b/contrib/vstudio/vc11/testzlib.vcxproj new file mode 100644 index 0000000..1c6f26d --- /dev/null +++ b/contrib/vstudio/vc11/testzlib.vcxproj @@ -0,0 +1,418 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B} + testzlib + Win32Proj + + + + Application + MultiByte + true + v110 + + + Application + MultiByte + true + v110 + + + Application + Unicode + v110 + + + Application + MultiByte + true + + + Application + MultiByte + true + + + Application + MultiByte + + + Application + true + v110 + + + Application + true + v110 + + + Application + v110 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + true + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + true + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDebugDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc11/testzlibdll.vcxproj b/contrib/vstudio/vc11/testzlibdll.vcxproj new file mode 100644 index 0000000..9d36336 --- /dev/null +++ b/contrib/vstudio/vc11/testzlibdll.vcxproj @@ -0,0 +1,314 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694366A} + Win32Proj + + + + Application + MultiByte + v110 + + + Application + Unicode + v110 + + + Application + MultiByte + + + Application + MultiByte + + + Application + MultiByte + v110 + + + Application + MultiByte + v110 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + true + false + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + false + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + true + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + true + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + false + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc11/zlib.rc b/contrib/vstudio/vc11/zlib.rc new file mode 100644 index 0000000..cdd7985 --- /dev/null +++ b/contrib/vstudio/vc11/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1, 2, 13, 0 + PRODUCTVERSION 1, 2, 13, 0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" + VALUE "FileVersion", "1.2.13\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlibwapi.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/contrib/vstudio/vc11/zlibstat.vcxproj b/contrib/vstudio/vc11/zlibstat.vcxproj new file mode 100644 index 0000000..5890a17 --- /dev/null +++ b/contrib/vstudio/vc11/zlibstat.vcxproj @@ -0,0 +1,456 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8} + + + + StaticLibrary + false + v110 + + + StaticLibrary + false + v110 + + + StaticLibrary + false + v110 + Unicode + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + + + StaticLibrary + false + v110 + + + StaticLibrary + false + v110 + + + StaticLibrary + false + v110 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc11/zlibvc.def b/contrib/vstudio/vc11/zlibvc.def new file mode 100644 index 0000000..99c71e3 --- /dev/null +++ b/contrib/vstudio/vc11/zlibvc.def @@ -0,0 +1,158 @@ +LIBRARY +; zlib data compression and ZIP file I/O library + +VERSION 1.2 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + deflatePending @52 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 + +; zlibwapi v1.2.4 added: + fill_win32_filefunc64 @111 + fill_win32_filefunc64A @112 + fill_win32_filefunc64W @113 + + unzOpen64 @120 + unzOpen2_64 @121 + unzGetGlobalInfo64 @122 + unzGetCurrentFileInfo64 @124 + unzGetCurrentFileZStreamPos64 @125 + unztell64 @126 + unzGetFilePos64 @127 + unzGoToFilePos64 @128 + + zipOpen64 @130 + zipOpen2_64 @131 + zipOpenNewFileInZip64 @132 + zipOpenNewFileInZip2_64 @133 + zipOpenNewFileInZip3_64 @134 + zipOpenNewFileInZip4_64 @135 + zipCloseFileInZipRaw64 @136 + +; zlib1 v1.2.4 added: + adler32_combine @140 + crc32_combine @142 + deflateSetHeader @144 + deflateTune @145 + gzbuffer @146 + gzclose_r @147 + gzclose_w @148 + gzdirect @149 + gzoffset @150 + inflateGetHeader @156 + inflateMark @157 + inflatePrime @158 + inflateReset2 @159 + inflateUndermine @160 + +; zlib1 v1.2.6 added: + gzgetc_ @161 + inflateResetKeep @163 + deflateResetKeep @164 + +; zlib1 v1.2.7 added: + gzopen_w @165 + +; zlib1 v1.2.8 added: + inflateGetDictionary @166 + gzvprintf @167 + +; zlib1 v1.2.9 added: + inflateCodesUsed @168 + inflateValidate @169 + uncompress2 @170 + gzfread @171 + gzfwrite @172 + deflateGetDictionary @173 + adler32_z @174 + crc32_z @175 + +; zlib1 v1.2.12 added: + crc32_combine_gen @176 + crc32_combine_gen64 @177 + crc32_combine_op @178 diff --git a/contrib/vstudio/vc11/zlibvc.sln b/contrib/vstudio/vc11/zlibvc.sln new file mode 100644 index 0000000..b7e3812 --- /dev/null +++ b/contrib/vstudio/vc11/zlibvc.sln @@ -0,0 +1,117 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 2012 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcxproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcxproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcxproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlibdll", "testzlibdll.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcxproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = 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{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.Build.0 = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.ActiveCfg = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.Build.0 = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.Build.0 = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Itanium.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.Build.0 = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|x64.ActiveCfg = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|x64.Build.0 = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Win32.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|x64.Build.0 = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/contrib/vstudio/vc11/zlibvc.vcxproj b/contrib/vstudio/vc11/zlibvc.vcxproj new file mode 100644 index 0000000..4951b3b --- /dev/null +++ b/contrib/vstudio/vc11/zlibvc.vcxproj @@ -0,0 +1,664 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {8FD826F8-3739-44E6-8CC8-997122E53B8D} + + + + DynamicLibrary + false + true + v110 + + + DynamicLibrary + false + true + v110 + + + DynamicLibrary + false + v110 + Unicode + + + DynamicLibrary + false + true + + + DynamicLibrary + false + true + + + DynamicLibrary + false + + + DynamicLibrary + false + true + v110 + + + DynamicLibrary + false + true + v110 + + + DynamicLibrary + false + v110 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + true + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + true + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + true + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + false + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + false + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + zlibwapi + zlibwapi + zlibwapi + zlibwapi + zlibwapi + zlibwapi + + + + _DEBUG;%(PreprocessorDefinitions) + true + true + Win32 + $(OutDir)zlibvc.tlb + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibvc.pch + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + ProgramDatabase + + + _DEBUG;%(PreprocessorDefinitions) + 0x040c + + + /MACHINE:I386 %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibwapi.dll + true + .\zlibvc.def + true + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + false + + + $(OutDir)zlibwapi.lib + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + Win32 + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + /MACHINE:I386 %(AdditionalOptions) + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + false + + + $(OutDir)zlibwapi.lib + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + Win32 + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + /MACHINE:I386 %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + false + + + $(OutDir)zlibwapi.lib + + + + + _DEBUG;%(PreprocessorDefinitions) + true + true + X64 + $(OutDir)zlibvc.tlb + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibvc.pch + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + ProgramDatabase + + + _DEBUG;%(PreprocessorDefinitions) + 0x040c + + + %(AdditionalDependencies) + $(OutDir)zlibwapi.dll + true + .\zlibvc.def + true + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineX64 + + + + + _DEBUG;%(PreprocessorDefinitions) + true + true + Itanium + $(OutDir)zlibvc.tlb + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibvc.pch + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + ProgramDatabase + + + _DEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + .\zlibvc.def + true + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + X64 + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineX64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + Itanium + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + X64 + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + %(AdditionalDependencies) + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineX64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + Itanium + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + + + + + + + + + + + + + + + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/miniunz.vcxproj b/contrib/vstudio/vc12/miniunz.vcxproj new file mode 100644 index 0000000..d88ac7f --- /dev/null +++ b/contrib/vstudio/vc12/miniunz.vcxproj @@ -0,0 +1,316 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694382A} + Win32Proj + + + + Application + MultiByte + v120 + + + Application + Unicode + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + true + false + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + false + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + true + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + true + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + false + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/minizip.vcxproj b/contrib/vstudio/vc12/minizip.vcxproj new file mode 100644 index 0000000..f1f239c --- /dev/null +++ b/contrib/vstudio/vc12/minizip.vcxproj @@ -0,0 +1,313 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B} + Win32Proj + + + + Application + MultiByte + v120 + + + Application + Unicode + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + true + false + x86\MiniZip$(Configuration)\ + x86\MiniZip$(Configuration)\Tmp\ + false + x64\$(Configuration)\ + x64\$(Configuration)\ + true + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + true + false + x64\$(Configuration)\ + x64\$(Configuration)\ + false + ia64\$(Configuration)\ + ia64\$(Configuration)\ + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/testzlib.vcxproj b/contrib/vstudio/vc12/testzlib.vcxproj new file mode 100644 index 0000000..41303c0 --- /dev/null +++ b/contrib/vstudio/vc12/testzlib.vcxproj @@ -0,0 +1,422 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B} + testzlib + Win32Proj + + + + Application + MultiByte + true + v120 + + + Application + MultiByte + true + v120 + + + Application + Unicode + v120 + + + Application + MultiByte + true + v120 + + + Application + MultiByte + true + v120 + + + Application + MultiByte + v120 + + + Application + true + v120 + + + Application + true + v120 + + + Application + v120 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + true + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + true + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + false + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDebugDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/testzlibdll.vcxproj b/contrib/vstudio/vc12/testzlibdll.vcxproj new file mode 100644 index 0000000..c66573a --- /dev/null +++ b/contrib/vstudio/vc12/testzlibdll.vcxproj @@ -0,0 +1,316 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694366A} + Win32Proj + + + + Application + MultiByte + v120 + + + Application + Unicode + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + Application + MultiByte + v120 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + true + false + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + false + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + true + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + true + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + false + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/zlib.rc b/contrib/vstudio/vc12/zlib.rc new file mode 100644 index 0000000..cdd7985 --- /dev/null +++ b/contrib/vstudio/vc12/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1, 2, 13, 0 + PRODUCTVERSION 1, 2, 13, 0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" + VALUE "FileVersion", "1.2.13\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlibwapi.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/contrib/vstudio/vc12/zlibstat.vcxproj b/contrib/vstudio/vc12/zlibstat.vcxproj new file mode 100644 index 0000000..6629d8e --- /dev/null +++ b/contrib/vstudio/vc12/zlibstat.vcxproj @@ -0,0 +1,459 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8} + + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + Unicode + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + StaticLibrary + false + v120 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc12/zlibvc.def b/contrib/vstudio/vc12/zlibvc.def new file mode 100644 index 0000000..99c71e3 --- /dev/null +++ b/contrib/vstudio/vc12/zlibvc.def @@ -0,0 +1,158 @@ +LIBRARY +; zlib data compression and ZIP file I/O library + +VERSION 1.2 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + deflatePending @52 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 + +; zlibwapi v1.2.4 added: + fill_win32_filefunc64 @111 + fill_win32_filefunc64A @112 + fill_win32_filefunc64W @113 + + unzOpen64 @120 + unzOpen2_64 @121 + unzGetGlobalInfo64 @122 + unzGetCurrentFileInfo64 @124 + unzGetCurrentFileZStreamPos64 @125 + unztell64 @126 + unzGetFilePos64 @127 + unzGoToFilePos64 @128 + + zipOpen64 @130 + zipOpen2_64 @131 + zipOpenNewFileInZip64 @132 + zipOpenNewFileInZip2_64 @133 + zipOpenNewFileInZip3_64 @134 + zipOpenNewFileInZip4_64 @135 + zipCloseFileInZipRaw64 @136 + +; zlib1 v1.2.4 added: + adler32_combine @140 + crc32_combine @142 + deflateSetHeader @144 + deflateTune @145 + gzbuffer @146 + gzclose_r @147 + gzclose_w @148 + gzdirect @149 + gzoffset @150 + inflateGetHeader @156 + inflateMark @157 + inflatePrime @158 + inflateReset2 @159 + inflateUndermine @160 + +; zlib1 v1.2.6 added: + gzgetc_ @161 + inflateResetKeep @163 + deflateResetKeep @164 + +; zlib1 v1.2.7 added: + gzopen_w @165 + +; zlib1 v1.2.8 added: + inflateGetDictionary @166 + gzvprintf @167 + +; zlib1 v1.2.9 added: + inflateCodesUsed @168 + inflateValidate @169 + uncompress2 @170 + gzfread @171 + gzfwrite @172 + deflateGetDictionary @173 + adler32_z @174 + crc32_z @175 + +; zlib1 v1.2.12 added: + crc32_combine_gen @176 + crc32_combine_gen64 @177 + crc32_combine_op @178 diff --git a/contrib/vstudio/vc12/zlibvc.sln b/contrib/vstudio/vc12/zlibvc.sln new file mode 100644 index 0000000..dcda229 --- /dev/null +++ b/contrib/vstudio/vc12/zlibvc.sln @@ -0,0 +1,119 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 2013 +VisualStudioVersion = 12.0.40629.0 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcxproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcxproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcxproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlibdll", "testzlibdll.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcxproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.ActiveCfg = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.Build.0 = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.Build.0 = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.ActiveCfg = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.Build.0 = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.Build.0 = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + 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Unicode + + + DynamicLibrary + false + true + v120 + + + DynamicLibrary + false + true + v120 + + + DynamicLibrary + false + v120 + + + DynamicLibrary + false + true + v120 + + + DynamicLibrary + false + true + v120 + + + DynamicLibrary + false + v120 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + true + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + true + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + true + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + false + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + 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NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + + + + + + + + + + + + + + + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/miniunz.vcxproj b/contrib/vstudio/vc14/miniunz.vcxproj new file mode 100644 index 0000000..9b5c075 --- /dev/null +++ b/contrib/vstudio/vc14/miniunz.vcxproj @@ -0,0 +1,316 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694382A} + Win32Proj + + + + Application + MultiByte + v140 + + + Application + Unicode + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + true + false + x86\MiniUnzip$(Configuration)\ + x86\MiniUnzip$(Configuration)\Tmp\ + false + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + true + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + true + false + x64\MiniUnzip$(Configuration)\ + x64\MiniUnzip$(Configuration)\Tmp\ + false + false + ia64\MiniUnzip$(Configuration)\ + ia64\MiniUnzip$(Configuration)\Tmp\ + false + 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+ false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + $(OutDir)miniunz.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)miniunz.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/minizip.vcxproj 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$(OutDir)minizip.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + $(OutDir)minizip.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)minizip.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/testzlib.vcxproj b/contrib/vstudio/vc14/testzlib.vcxproj new file mode 100644 index 0000000..5452049 --- /dev/null +++ b/contrib/vstudio/vc14/testzlib.vcxproj @@ -0,0 +1,422 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B} + testzlib + Win32Proj + + + + Application + MultiByte + true + v140 + + + Application + MultiByte + true + v140 + + + Application + Unicode + v140 + + + Application + MultiByte + true + v140 + + + Application + MultiByte + true + v140 + + + Application + MultiByte + v140 + + + Application + true + v140 + + + Application + true + v140 + + + Application + v140 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + true + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x86\TestZlib$(Configuration)\ + x86\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + true + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + x64\TestZlib$(Configuration)\ + x64\TestZlib$(Configuration)\Tmp\ + false + ia64\TestZlib$(Configuration)\ + ia64\TestZlib$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)testzlib.exe + true + Console + true + true + false + + + MachineX86 + false + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDebugDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_DEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + AssemblyAndSourceCode + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + Default + MultiThreadedDLL + false + $(IntDir) + + + %(AdditionalDependencies) + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;NDEBUG;_CONSOLE;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + $(OutDir)testzlib.exe + true + Console + true + true + MachineIA64 + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/testzlibdll.vcxproj b/contrib/vstudio/vc14/testzlibdll.vcxproj new file mode 100644 index 0000000..d87474d --- /dev/null +++ b/contrib/vstudio/vc14/testzlibdll.vcxproj @@ -0,0 +1,316 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {C52F9E7B-498A-42BE-8DB4-85A15694366A} + Win32Proj + + + + Application + MultiByte + v140 + + + Application + Unicode + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + Application + MultiByte + v140 + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + true + false + x86\TestZlibDll$(Configuration)\ + x86\TestZlibDll$(Configuration)\Tmp\ + false + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + true + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + true + false + x64\TestZlibDll$(Configuration)\ + x64\TestZlibDll$(Configuration)\Tmp\ + false + false + ia64\TestZlibDll$(Configuration)\ + ia64\TestZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + false + + + MachineX86 + + + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + Default + MultiThreaded + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + false + + + MachineX86 + + + + + X64 + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineX64 + + + + + Itanium + + + Disabled + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;_DEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDebugDLL + false + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + $(OutDir)testzlib.pdb + Console + MachineIA64 + + + + + X64 + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineX64 + + + + + Itanium + + + MaxSpeed + OnlyExplicitInline + true + ..\..\..;..\..\minizip;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;ZLIB_WINAPI;NDEBUG;_CONSOLE;WIN64;%(PreprocessorDefinitions) + true + Default + MultiThreadedDLL + false + true + + + $(IntDir) + Level3 + ProgramDatabase + + + ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies) + $(OutDir)testzlibdll.exe + true + Console + true + true + MachineIA64 + + + + + + + + {8fd826f8-3739-44e6-8cc8-997122e53b8d} + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/zlib.rc b/contrib/vstudio/vc14/zlib.rc new file mode 100644 index 0000000..cdd7985 --- /dev/null +++ b/contrib/vstudio/vc14/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1, 2, 13, 0 + PRODUCTVERSION 1, 2, 13, 0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" + VALUE "FileVersion", "1.2.13\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlibwapi.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/contrib/vstudio/vc14/zlibstat.vcxproj b/contrib/vstudio/vc14/zlibstat.vcxproj new file mode 100644 index 0000000..85c1e89 --- /dev/null +++ b/contrib/vstudio/vc14/zlibstat.vcxproj @@ -0,0 +1,459 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8} + + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + Unicode + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + StaticLibrary + false + v140 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x86\ZlibStat$(Configuration)\ + x86\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + x64\ZlibStat$(Configuration)\ + x64\ZlibStat$(Configuration)\Tmp\ + ia64\ZlibStat$(Configuration)\ + ia64\ZlibStat$(Configuration)\Tmp\ + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + WIN32;ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;%(PreprocessorDefinitions) + true + + + MultiThreaded + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:X86 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + Disabled + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + + + MultiThreadedDebugDLL + false + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + OldStyle + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + %(AdditionalDependencies) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + X64 + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + Itanium + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibstat.pch + $(IntDir) + $(IntDir) + $(OutDir) + Level3 + true + + + 0x040c + + + /MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions) + $(OutDir)zlibstat.lib + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc14/zlibvc.def b/contrib/vstudio/vc14/zlibvc.def new file mode 100644 index 0000000..99c71e3 --- /dev/null +++ b/contrib/vstudio/vc14/zlibvc.def @@ -0,0 +1,158 @@ +LIBRARY +; zlib data compression and ZIP file I/O library + +VERSION 1.2 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + deflatePending @52 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 + +; zlibwapi v1.2.4 added: + fill_win32_filefunc64 @111 + fill_win32_filefunc64A @112 + fill_win32_filefunc64W @113 + + unzOpen64 @120 + unzOpen2_64 @121 + unzGetGlobalInfo64 @122 + unzGetCurrentFileInfo64 @124 + unzGetCurrentFileZStreamPos64 @125 + unztell64 @126 + unzGetFilePos64 @127 + unzGoToFilePos64 @128 + + zipOpen64 @130 + zipOpen2_64 @131 + zipOpenNewFileInZip64 @132 + zipOpenNewFileInZip2_64 @133 + zipOpenNewFileInZip3_64 @134 + zipOpenNewFileInZip4_64 @135 + zipCloseFileInZipRaw64 @136 + +; zlib1 v1.2.4 added: + adler32_combine @140 + crc32_combine @142 + deflateSetHeader @144 + deflateTune @145 + gzbuffer @146 + gzclose_r @147 + gzclose_w @148 + gzdirect @149 + gzoffset @150 + inflateGetHeader @156 + inflateMark @157 + inflatePrime @158 + inflateReset2 @159 + inflateUndermine @160 + +; zlib1 v1.2.6 added: + gzgetc_ @161 + inflateResetKeep @163 + deflateResetKeep @164 + +; zlib1 v1.2.7 added: + gzopen_w @165 + +; zlib1 v1.2.8 added: + inflateGetDictionary @166 + gzvprintf @167 + +; zlib1 v1.2.9 added: + inflateCodesUsed @168 + inflateValidate @169 + uncompress2 @170 + gzfread @171 + gzfwrite @172 + deflateGetDictionary @173 + adler32_z @174 + crc32_z @175 + +; zlib1 v1.2.12 added: + crc32_combine_gen @176 + crc32_combine_gen64 @177 + crc32_combine_op @178 diff --git a/contrib/vstudio/vc14/zlibvc.sln b/contrib/vstudio/vc14/zlibvc.sln new file mode 100644 index 0000000..6f4a107 --- /dev/null +++ b/contrib/vstudio/vc14/zlibvc.sln @@ -0,0 +1,119 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 14 +VisualStudioVersion = 14.0.25420.1 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcxproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcxproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcxproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlibdll", "testzlibdll.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcxproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.ActiveCfg = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.Build.0 = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.Build.0 = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.ActiveCfg = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.Build.0 = Debug|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.Build.0 = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Itanium.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.Build.0 = Debug|Win32 + 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b/contrib/vstudio/vc14/zlibvc.vcxproj new file mode 100644 index 0000000..424ff55 --- /dev/null +++ b/contrib/vstudio/vc14/zlibvc.vcxproj @@ -0,0 +1,668 @@ + + + + + Debug + Itanium + + + Debug + Win32 + + + Debug + x64 + + + ReleaseWithoutAsm + Itanium + + + ReleaseWithoutAsm + Win32 + + + ReleaseWithoutAsm + x64 + + + Release + Itanium + + + Release + Win32 + + + Release + x64 + + + + {8FD826F8-3739-44E6-8CC8-997122E53B8D} + + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + v140 + Unicode + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + v140 + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + true + v140 + + + DynamicLibrary + false + v140 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.30128.1 + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + true + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x86\ZlibDll$(Configuration)\ + x86\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + true + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + true + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + false + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + false + false + x64\ZlibDll$(Configuration)\ + x64\ZlibDll$(Configuration)\Tmp\ + false + false + ia64\ZlibDll$(Configuration)\ + ia64\ZlibDll$(Configuration)\Tmp\ + false + false + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + AllRules.ruleset + + + zlibwapi + zlibwapi + zlibwapi + zlibwapi + zlibwapi + zlibwapi + + + + _DEBUG;%(PreprocessorDefinitions) + true + true + Win32 + 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WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + X64 + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + %(AdditionalDependencies) + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineX64 + + + + + NDEBUG;%(PreprocessorDefinitions) + true + true + Itanium + $(OutDir)zlibvc.tlb + + + OnlyExplicitInline + ..\..\..;%(AdditionalIncludeDirectories) + _CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions) + true + + + MultiThreadedDLL + false + true + $(IntDir)zlibvc.pch + All + $(IntDir) + $(IntDir) + $(OutDir) + + + Level3 + true + + + NDEBUG;%(PreprocessorDefinitions) + 0x040c + + + $(OutDir)zlibwapi.dll + true + false + .\zlibvc.def + $(OutDir)zlibwapi.pdb + true + $(OutDir)zlibwapi.map + Windows + $(OutDir)zlibwapi.lib + MachineIA64 + + + + + + + + + + + + + + + + + + + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + %(AdditionalIncludeDirectories) + ZLIB_INTERNAL;%(PreprocessorDefinitions) + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/contrib/vstudio/vc9/miniunz.vcproj b/contrib/vstudio/vc9/miniunz.vcproj new file mode 100644 index 0000000..83bfbdd --- /dev/null +++ b/contrib/vstudio/vc9/miniunz.vcproj @@ -0,0 +1,565 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc9/minizip.vcproj b/contrib/vstudio/vc9/minizip.vcproj new file mode 100644 index 0000000..5f4e9ee --- /dev/null +++ b/contrib/vstudio/vc9/minizip.vcproj @@ -0,0 +1,562 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc9/testzlib.vcproj b/contrib/vstudio/vc9/testzlib.vcproj new file mode 100644 index 0000000..9e0c37e --- /dev/null +++ b/contrib/vstudio/vc9/testzlib.vcproj @@ -0,0 +1,796 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc9/testzlibdll.vcproj b/contrib/vstudio/vc9/testzlibdll.vcproj new file mode 100644 index 0000000..8522f82 --- /dev/null +++ b/contrib/vstudio/vc9/testzlibdll.vcproj @@ -0,0 +1,565 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc9/zlib.rc b/contrib/vstudio/vc9/zlib.rc new file mode 100644 index 0000000..cdd7985 --- /dev/null +++ b/contrib/vstudio/vc9/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1, 2, 13, 0 + PRODUCTVERSION 1, 2, 13, 0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" + VALUE "FileVersion", "1.2.13\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlibwapi.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/contrib/vstudio/vc9/zlibstat.vcproj b/contrib/vstudio/vc9/zlibstat.vcproj new file mode 100644 index 0000000..df481e5 --- /dev/null +++ b/contrib/vstudio/vc9/zlibstat.vcproj @@ -0,0 +1,781 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc9/zlibvc.def b/contrib/vstudio/vc9/zlibvc.def new file mode 100644 index 0000000..99c71e3 --- /dev/null +++ b/contrib/vstudio/vc9/zlibvc.def @@ -0,0 +1,158 @@ +LIBRARY +; zlib data compression and ZIP file I/O library + +VERSION 1.2 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + deflatePending @52 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 + +; zlibwapi v1.2.4 added: + fill_win32_filefunc64 @111 + fill_win32_filefunc64A @112 + fill_win32_filefunc64W @113 + + unzOpen64 @120 + unzOpen2_64 @121 + unzGetGlobalInfo64 @122 + unzGetCurrentFileInfo64 @124 + unzGetCurrentFileZStreamPos64 @125 + unztell64 @126 + unzGetFilePos64 @127 + unzGoToFilePos64 @128 + + zipOpen64 @130 + zipOpen2_64 @131 + zipOpenNewFileInZip64 @132 + zipOpenNewFileInZip2_64 @133 + zipOpenNewFileInZip3_64 @134 + zipOpenNewFileInZip4_64 @135 + zipCloseFileInZipRaw64 @136 + +; zlib1 v1.2.4 added: + adler32_combine @140 + crc32_combine @142 + deflateSetHeader @144 + deflateTune @145 + gzbuffer @146 + gzclose_r @147 + gzclose_w @148 + gzdirect @149 + gzoffset @150 + inflateGetHeader @156 + inflateMark @157 + inflatePrime @158 + inflateReset2 @159 + inflateUndermine @160 + +; zlib1 v1.2.6 added: + gzgetc_ @161 + inflateResetKeep @163 + deflateResetKeep @164 + +; zlib1 v1.2.7 added: + gzopen_w @165 + +; zlib1 v1.2.8 added: + inflateGetDictionary @166 + gzvprintf @167 + +; zlib1 v1.2.9 added: + inflateCodesUsed @168 + inflateValidate @169 + uncompress2 @170 + gzfread @171 + gzfwrite @172 + deflateGetDictionary @173 + adler32_z @174 + crc32_z @175 + +; zlib1 v1.2.12 added: + crc32_combine_gen @176 + crc32_combine_gen64 @177 + crc32_combine_op @178 diff --git a/contrib/vstudio/vc9/zlibvc.sln b/contrib/vstudio/vc9/zlibvc.sln new file mode 100644 index 0000000..75c64c3 --- /dev/null +++ b/contrib/vstudio/vc9/zlibvc.sln @@ -0,0 +1,144 @@ + +Microsoft Visual Studio Solution File, Format Version 10.00 +# Visual Studio 2008 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TestZlibDll", "testzlibdll.vcproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.Build.0 = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.Build.0 = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.Build.0 = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.Build.0 = Release|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.ActiveCfg = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.Build.0 = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.Build.0 = Debug|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.Build.0 = Release|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + 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+ + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/crc32.c b/crc32.c new file mode 100644 index 0000000..f8357b0 --- /dev/null +++ b/crc32.c @@ -0,0 +1,1125 @@ +/* crc32.c -- compute the CRC-32 of a data stream + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * + * This interleaved implementation of a CRC makes use of pipelined multiple + * arithmetic-logic units, commonly found in modern CPU cores. It is due to + * Kadatch and Jenkins (2010). See doc/crc-doc.1.0.pdf in this distribution. + */ + +/* @(#) $Id$ */ + +/* + Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore + protection on the static variables used to control the first-use generation + of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should + first call get_crc_table() to initialize the tables before allowing more than + one thread to use crc32(). + + MAKECRCH can be #defined to write out crc32.h. A main() routine is also + produced, so that this one source file can be compiled to an executable. + */ + +#ifdef MAKECRCH +# include +# ifndef DYNAMIC_CRC_TABLE +# define DYNAMIC_CRC_TABLE +# endif /* !DYNAMIC_CRC_TABLE */ +#endif /* MAKECRCH */ + +#include "zutil.h" /* for Z_U4, Z_U8, z_crc_t, and FAR definitions */ + + /* + A CRC of a message is computed on N braids of words in the message, where + each word consists of W bytes (4 or 8). If N is 3, for example, then three + running sparse CRCs are calculated respectively on each braid, at these + indices in the array of words: 0, 3, 6, ..., 1, 4, 7, ..., and 2, 5, 8, ... + This is done starting at a word boundary, and continues until as many blocks + of N * W bytes as are available have been processed. The results are combined + into a single CRC at the end. For this code, N must be in the range 1..6 and + W must be 4 or 8. The upper limit on N can be increased if desired by adding + more #if blocks, extending the patterns apparent in the code. In addition, + crc32.h would need to be regenerated, if the maximum N value is increased. + + N and W are chosen empirically by benchmarking the execution time on a given + processor. The choices for N and W below were based on testing on Intel Kaby + Lake i7, AMD Ryzen 7, ARM Cortex-A57, Sparc64-VII, PowerPC POWER9, and MIPS64 + Octeon II processors. The Intel, AMD, and ARM processors were all fastest + with N=5, W=8. The Sparc, PowerPC, and MIPS64 were all fastest at N=5, W=4. + They were all tested with either gcc or clang, all using the -O3 optimization + level. Your mileage may vary. + */ + +/* Define N */ +#ifdef Z_TESTN +# define N Z_TESTN +#else +# define N 5 +#endif +#if N < 1 || N > 6 +# error N must be in 1..6 +#endif + +/* + z_crc_t must be at least 32 bits. z_word_t must be at least as long as + z_crc_t. It is assumed here that z_word_t is either 32 bits or 64 bits, and + that bytes are eight bits. + */ + +/* + Define W and the associated z_word_t type. If W is not defined, then a + braided calculation is not used, and the associated tables and code are not + compiled. + */ +#ifdef Z_TESTW +# if Z_TESTW-1 != -1 +# define W Z_TESTW +# endif +#else +# ifdef MAKECRCH +# define W 8 /* required for MAKECRCH */ +# else +# if defined(__x86_64__) || defined(__aarch64__) +# define W 8 +# else +# define W 4 +# endif +# endif +#endif +#ifdef W +# if W == 8 && defined(Z_U8) + typedef Z_U8 z_word_t; +# elif defined(Z_U4) +# undef W +# define W 4 + typedef Z_U4 z_word_t; +# else +# undef W +# endif +#endif + +/* If available, use the ARM processor CRC32 instruction. */ +#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8 +# define ARMCRC32 +#endif + +/* Local functions. */ +local z_crc_t multmodp OF((z_crc_t a, z_crc_t b)); +local z_crc_t x2nmodp OF((z_off64_t n, unsigned k)); + +#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE)) + local z_word_t byte_swap OF((z_word_t word)); +#endif + +#if defined(W) && !defined(ARMCRC32) + local z_crc_t crc_word OF((z_word_t data)); + local z_word_t crc_word_big OF((z_word_t data)); +#endif + +#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE)) +/* + Swap the bytes in a z_word_t to convert between little and big endian. Any + self-respecting compiler will optimize this to a single machine byte-swap + instruction, if one is available. This assumes that word_t is either 32 bits + or 64 bits. + */ +local z_word_t byte_swap(word) + z_word_t word; +{ +# if W == 8 + return + (word & 0xff00000000000000) >> 56 | + (word & 0xff000000000000) >> 40 | + (word & 0xff0000000000) >> 24 | + (word & 0xff00000000) >> 8 | + (word & 0xff000000) << 8 | + (word & 0xff0000) << 24 | + (word & 0xff00) << 40 | + (word & 0xff) << 56; +# else /* W == 4 */ + return + (word & 0xff000000) >> 24 | + (word & 0xff0000) >> 8 | + (word & 0xff00) << 8 | + (word & 0xff) << 24; +# endif +} +#endif + +/* CRC polynomial. */ +#define POLY 0xedb88320 /* p(x) reflected, with x^32 implied */ + +#ifdef DYNAMIC_CRC_TABLE + +local z_crc_t FAR crc_table[256]; +local z_crc_t FAR x2n_table[32]; +local void make_crc_table OF((void)); +#ifdef W + local z_word_t FAR crc_big_table[256]; + local z_crc_t FAR crc_braid_table[W][256]; + local z_word_t FAR crc_braid_big_table[W][256]; + local void braid OF((z_crc_t [][256], z_word_t [][256], int, int)); +#endif +#ifdef MAKECRCH + local void write_table OF((FILE *, const z_crc_t FAR *, int)); + local void write_table32hi OF((FILE *, const z_word_t FAR *, int)); + local void write_table64 OF((FILE *, const z_word_t FAR *, int)); +#endif /* MAKECRCH */ + +/* + Define a once() function depending on the availability of atomics. If this is + compiled with DYNAMIC_CRC_TABLE defined, and if CRCs will be computed in + multiple threads, and if atomics are not available, then get_crc_table() must + be called to initialize the tables and must return before any threads are + allowed to compute or combine CRCs. + */ + +/* Definition of once functionality. */ +typedef struct once_s once_t; +local void once OF((once_t *, void (*)(void))); + +/* Check for the availability of atomics. */ +#if defined(__STDC__) && __STDC_VERSION__ >= 201112L && \ + !defined(__STDC_NO_ATOMICS__) + +#include + +/* Structure for once(), which must be initialized with ONCE_INIT. */ +struct once_s { + atomic_flag begun; + atomic_int done; +}; +#define ONCE_INIT {ATOMIC_FLAG_INIT, 0} + +/* + Run the provided init() function exactly once, even if multiple threads + invoke once() at the same time. The state must be a once_t initialized with + ONCE_INIT. + */ +local void once(state, init) + once_t *state; + void (*init)(void); +{ + if (!atomic_load(&state->done)) { + if (atomic_flag_test_and_set(&state->begun)) + while (!atomic_load(&state->done)) + ; + else { + init(); + atomic_store(&state->done, 1); + } + } +} + +#else /* no atomics */ + +/* Structure for once(), which must be initialized with ONCE_INIT. */ +struct once_s { + volatile int begun; + volatile int done; +}; +#define ONCE_INIT {0, 0} + +/* Test and set. Alas, not atomic, but tries to minimize the period of + vulnerability. */ +local int test_and_set OF((int volatile *)); +local int test_and_set(flag) + int volatile *flag; +{ + int was; + + was = *flag; + *flag = 1; + return was; +} + +/* Run the provided init() function once. This is not thread-safe. */ +local void once(state, init) + once_t *state; + void (*init)(void); +{ + if (!state->done) { + if (test_and_set(&state->begun)) + while (!state->done) + ; + else { + init(); + state->done = 1; + } + } +} + +#endif + +/* State for once(). */ +local once_t made = ONCE_INIT; + +/* + Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: + x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. + + Polynomials over GF(2) are represented in binary, one bit per coefficient, + with the lowest powers in the most significant bit. Then adding polynomials + is just exclusive-or, and multiplying a polynomial by x is a right shift by + one. If we call the above polynomial p, and represent a byte as the + polynomial q, also with the lowest power in the most significant bit (so the + byte 0xb1 is the polynomial x^7+x^3+x^2+1), then the CRC is (q*x^32) mod p, + where a mod b means the remainder after dividing a by b. + + This calculation is done using the shift-register method of multiplying and + taking the remainder. The register is initialized to zero, and for each + incoming bit, x^32 is added mod p to the register if the bit is a one (where + x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by x + (which is shifting right by one and adding x^32 mod p if the bit shifted out + is a one). We start with the highest power (least significant bit) of q and + repeat for all eight bits of q. + + The table is simply the CRC of all possible eight bit values. This is all the + information needed to generate CRCs on data a byte at a time for all + combinations of CRC register values and incoming bytes. + */ + +local void make_crc_table() +{ + unsigned i, j, n; + z_crc_t p; + + /* initialize the CRC of bytes tables */ + for (i = 0; i < 256; i++) { + p = i; + for (j = 0; j < 8; j++) + p = p & 1 ? (p >> 1) ^ POLY : p >> 1; + crc_table[i] = p; +#ifdef W + crc_big_table[i] = byte_swap(p); +#endif + } + + /* initialize the x^2^n mod p(x) table */ + p = (z_crc_t)1 << 30; /* x^1 */ + x2n_table[0] = p; + for (n = 1; n < 32; n++) + x2n_table[n] = p = multmodp(p, p); + +#ifdef W + /* initialize the braiding tables -- needs x2n_table[] */ + braid(crc_braid_table, crc_braid_big_table, N, W); +#endif + +#ifdef MAKECRCH + { + /* + The crc32.h header file contains tables for both 32-bit and 64-bit + z_word_t's, and so requires a 64-bit type be available. In that case, + z_word_t must be defined to be 64-bits. This code then also generates + and writes out the tables for the case that z_word_t is 32 bits. + */ +#if !defined(W) || W != 8 +# error Need a 64-bit integer type in order to generate crc32.h. +#endif + FILE *out; + int k, n; + z_crc_t ltl[8][256]; + z_word_t big[8][256]; + + out = fopen("crc32.h", "w"); + if (out == NULL) return; + + /* write out little-endian CRC table to crc32.h */ + fprintf(out, + "/* crc32.h -- tables for rapid CRC calculation\n" + " * Generated automatically by crc32.c\n */\n" + "\n" + "local const z_crc_t FAR crc_table[] = {\n" + " "); + write_table(out, crc_table, 256); + fprintf(out, + "};\n"); + + /* write out big-endian CRC table for 64-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#ifdef W\n" + "\n" + "#if W == 8\n" + "\n" + "local const z_word_t FAR crc_big_table[] = {\n" + " "); + write_table64(out, crc_big_table, 256); + fprintf(out, + "};\n"); + + /* write out big-endian CRC table for 32-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#else /* W == 4 */\n" + "\n" + "local const z_word_t FAR crc_big_table[] = {\n" + " "); + write_table32hi(out, crc_big_table, 256); + fprintf(out, + "};\n" + "\n" + "#endif\n"); + + /* write out braid tables for each value of N */ + for (n = 1; n <= 6; n++) { + fprintf(out, + "\n" + "#if N == %d\n", n); + + /* compute braid tables for this N and 64-bit word_t */ + braid(ltl, big, n, 8); + + /* write out braid tables for 64-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#if W == 8\n" + "\n" + "local const z_crc_t FAR crc_braid_table[][256] = {\n"); + for (k = 0; k < 8; k++) { + fprintf(out, " {"); + write_table(out, ltl[k], 256); + fprintf(out, "}%s", k < 7 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "local const z_word_t FAR crc_braid_big_table[][256] = {\n"); + for (k = 0; k < 8; k++) { + fprintf(out, " {"); + write_table64(out, big[k], 256); + fprintf(out, "}%s", k < 7 ? ",\n" : ""); + } + fprintf(out, + "};\n"); + + /* compute braid tables for this N and 32-bit word_t */ + braid(ltl, big, n, 4); + + /* write out braid tables for 32-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#else /* W == 4 */\n" + "\n" + "local const z_crc_t FAR crc_braid_table[][256] = {\n"); + for (k = 0; k < 4; k++) { + fprintf(out, " {"); + write_table(out, ltl[k], 256); + fprintf(out, "}%s", k < 3 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "local const z_word_t FAR crc_braid_big_table[][256] = {\n"); + for (k = 0; k < 4; k++) { + fprintf(out, " {"); + write_table32hi(out, big[k], 256); + fprintf(out, "}%s", k < 3 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "#endif\n" + "\n" + "#endif\n"); + } + fprintf(out, + "\n" + "#endif\n"); + + /* write out zeros operator table to crc32.h */ + fprintf(out, + "\n" + "local const z_crc_t FAR x2n_table[] = {\n" + " "); + write_table(out, x2n_table, 32); + fprintf(out, + "};\n"); + fclose(out); + } +#endif /* MAKECRCH */ +} + +#ifdef MAKECRCH + +/* + Write the 32-bit values in table[0..k-1] to out, five per line in + hexadecimal separated by commas. + */ +local void write_table(out, table, k) + FILE *out; + const z_crc_t FAR *table; + int k; +{ + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%08lx%s", n == 0 || n % 5 ? "" : " ", + (unsigned long)(table[n]), + n == k - 1 ? "" : (n % 5 == 4 ? ",\n" : ", ")); +} + +/* + Write the high 32-bits of each value in table[0..k-1] to out, five per line + in hexadecimal separated by commas. + */ +local void write_table32hi(out, table, k) +FILE *out; +const z_word_t FAR *table; +int k; +{ + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%08lx%s", n == 0 || n % 5 ? "" : " ", + (unsigned long)(table[n] >> 32), + n == k - 1 ? "" : (n % 5 == 4 ? ",\n" : ", ")); +} + +/* + Write the 64-bit values in table[0..k-1] to out, three per line in + hexadecimal separated by commas. This assumes that if there is a 64-bit + type, then there is also a long long integer type, and it is at least 64 + bits. If not, then the type cast and format string can be adjusted + accordingly. + */ +local void write_table64(out, table, k) + FILE *out; + const z_word_t FAR *table; + int k; +{ + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%016llx%s", n == 0 || n % 3 ? "" : " ", + (unsigned long long)(table[n]), + n == k - 1 ? "" : (n % 3 == 2 ? ",\n" : ", ")); +} + +/* Actually do the deed. */ +int main() +{ + make_crc_table(); + return 0; +} + +#endif /* MAKECRCH */ + +#ifdef W +/* + Generate the little and big-endian braid tables for the given n and z_word_t + size w. Each array must have room for w blocks of 256 elements. + */ +local void braid(ltl, big, n, w) + z_crc_t ltl[][256]; + z_word_t big[][256]; + int n; + int w; +{ + int k; + z_crc_t i, p, q; + for (k = 0; k < w; k++) { + p = x2nmodp((n * w + 3 - k) << 3, 0); + ltl[k][0] = 0; + big[w - 1 - k][0] = 0; + for (i = 1; i < 256; i++) { + ltl[k][i] = q = multmodp(i << 24, p); + big[w - 1 - k][i] = byte_swap(q); + } + } +} +#endif + +#else /* !DYNAMIC_CRC_TABLE */ +/* ======================================================================== + * Tables for byte-wise and braided CRC-32 calculations, and a table of powers + * of x for combining CRC-32s, all made by make_crc_table(). + */ +#include "crc32.h" +#endif /* DYNAMIC_CRC_TABLE */ + +/* ======================================================================== + * Routines used for CRC calculation. Some are also required for the table + * generation above. + */ + +/* + Return a(x) multiplied by b(x) modulo p(x), where p(x) is the CRC polynomial, + reflected. For speed, this requires that a not be zero. + */ +local z_crc_t multmodp(a, b) + z_crc_t a; + z_crc_t b; +{ + z_crc_t m, p; + + m = (z_crc_t)1 << 31; + p = 0; + for (;;) { + if (a & m) { + p ^= b; + if ((a & (m - 1)) == 0) + break; + } + m >>= 1; + b = b & 1 ? (b >> 1) ^ POLY : b >> 1; + } + return p; +} + +/* + Return x^(n * 2^k) modulo p(x). Requires that x2n_table[] has been + initialized. + */ +local z_crc_t x2nmodp(n, k) + z_off64_t n; + unsigned k; +{ + z_crc_t p; + + p = (z_crc_t)1 << 31; /* x^0 == 1 */ + while (n) { + if (n & 1) + p = multmodp(x2n_table[k & 31], p); + n >>= 1; + k++; + } + return p; +} + +/* ========================================================================= + * This function can be used by asm versions of crc32(), and to force the + * generation of the CRC tables in a threaded application. + */ +const z_crc_t FAR * ZEXPORT get_crc_table() +{ +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return (const z_crc_t FAR *)crc_table; +} + +/* ========================================================================= + * Use ARM machine instructions if available. This will compute the CRC about + * ten times faster than the braided calculation. This code does not check for + * the presence of the CRC instruction at run time. __ARM_FEATURE_CRC32 will + * only be defined if the compilation specifies an ARM processor architecture + * that has the instructions. For example, compiling with -march=armv8.1-a or + * -march=armv8-a+crc, or -march=native if the compile machine has the crc32 + * instructions. + */ +#ifdef ARMCRC32 + +/* + Constants empirically determined to maximize speed. These values are from + measurements on a Cortex-A57. Your mileage may vary. + */ +#define Z_BATCH 3990 /* number of words in a batch */ +#define Z_BATCH_ZEROS 0xa10d3d0c /* computed from Z_BATCH = 3990 */ +#define Z_BATCH_MIN 800 /* fewest words in a final batch */ + +unsigned long ZEXPORT crc32_z(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + z_size_t len; +{ + z_crc_t val; + z_word_t crc1, crc2; + const z_word_t *word; + z_word_t val0, val1, val2; + z_size_t last, last2, i; + z_size_t num; + + /* Return initial CRC, if requested. */ + if (buf == Z_NULL) return 0; + +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + + /* Pre-condition the CRC */ + crc = (~crc) & 0xffffffff; + + /* Compute the CRC up to a word boundary. */ + while (len && ((z_size_t)buf & 7) != 0) { + len--; + val = *buf++; + __asm__ volatile("crc32b %w0, %w0, %w1" : "+r"(crc) : "r"(val)); + } + + /* Prepare to compute the CRC on full 64-bit words word[0..num-1]. */ + word = (z_word_t const *)buf; + num = len >> 3; + len &= 7; + + /* Do three interleaved CRCs to realize the throughput of one crc32x + instruction per cycle. Each CRC is calculated on Z_BATCH words. The + three CRCs are combined into a single CRC after each set of batches. */ + while (num >= 3 * Z_BATCH) { + crc1 = 0; + crc2 = 0; + for (i = 0; i < Z_BATCH; i++) { + val0 = word[i]; + val1 = word[i + Z_BATCH]; + val2 = word[i + 2 * Z_BATCH]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc1) : "r"(val1)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc2) : "r"(val2)); + } + word += 3 * Z_BATCH; + num -= 3 * Z_BATCH; + crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc1; + crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc2; + } + + /* Do one last smaller batch with the remaining words, if there are enough + to pay for the combination of CRCs. */ + last = num / 3; + if (last >= Z_BATCH_MIN) { + last2 = last << 1; + crc1 = 0; + crc2 = 0; + for (i = 0; i < last; i++) { + val0 = word[i]; + val1 = word[i + last]; + val2 = word[i + last2]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc1) : "r"(val1)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc2) : "r"(val2)); + } + word += 3 * last; + num -= 3 * last; + val = x2nmodp(last, 6); + crc = multmodp(val, crc) ^ crc1; + crc = multmodp(val, crc) ^ crc2; + } + + /* Compute the CRC on any remaining words. */ + for (i = 0; i < num; i++) { + val0 = word[i]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + } + word += num; + + /* Complete the CRC on any remaining bytes. */ + buf = (const unsigned char FAR *)word; + while (len) { + len--; + val = *buf++; + __asm__ volatile("crc32b %w0, %w0, %w1" : "+r"(crc) : "r"(val)); + } + + /* Return the CRC, post-conditioned. */ + return crc ^ 0xffffffff; +} + +#else + +#ifdef W + +/* + Return the CRC of the W bytes in the word_t data, taking the + least-significant byte of the word as the first byte of data, without any pre + or post conditioning. This is used to combine the CRCs of each braid. + */ +local z_crc_t crc_word(data) + z_word_t data; +{ + int k; + for (k = 0; k < W; k++) + data = (data >> 8) ^ crc_table[data & 0xff]; + return (z_crc_t)data; +} + +local z_word_t crc_word_big(data) + z_word_t data; +{ + int k; + for (k = 0; k < W; k++) + data = (data << 8) ^ + crc_big_table[(data >> ((W - 1) << 3)) & 0xff]; + return data; +} + +#endif + +/* ========================================================================= */ +unsigned long ZEXPORT crc32_z(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + z_size_t len; +{ + /* Return initial CRC, if requested. */ + if (buf == Z_NULL) return 0; + +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + + /* Pre-condition the CRC */ + crc = (~crc) & 0xffffffff; + +#ifdef W + + /* If provided enough bytes, do a braided CRC calculation. */ + if (len >= N * W + W - 1) { + z_size_t blks; + z_word_t const *words; + unsigned endian; + int k; + + /* Compute the CRC up to a z_word_t boundary. */ + while (len && ((z_size_t)buf & (W - 1)) != 0) { + len--; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + + /* Compute the CRC on as many N z_word_t blocks as are available. */ + blks = len / (N * W); + len -= blks * N * W; + words = (z_word_t const *)buf; + + /* Do endian check at execution time instead of compile time, since ARM + processors can change the endianess at execution time. If the + compiler knows what the endianess will be, it can optimize out the + check and the unused branch. */ + endian = 1; + if (*(unsigned char *)&endian) { + /* Little endian. */ + + z_crc_t crc0; + z_word_t word0; +#if N > 1 + z_crc_t crc1; + z_word_t word1; +#if N > 2 + z_crc_t crc2; + z_word_t word2; +#if N > 3 + z_crc_t crc3; + z_word_t word3; +#if N > 4 + z_crc_t crc4; + z_word_t word4; +#if N > 5 + z_crc_t crc5; + z_word_t word5; +#endif +#endif +#endif +#endif +#endif + + /* Initialize the CRC for each braid. */ + crc0 = crc; +#if N > 1 + crc1 = 0; +#if N > 2 + crc2 = 0; +#if N > 3 + crc3 = 0; +#if N > 4 + crc4 = 0; +#if N > 5 + crc5 = 0; +#endif +#endif +#endif +#endif +#endif + + /* + Process the first blks-1 blocks, computing the CRCs on each braid + independently. + */ + while (--blks) { + /* Load the word for each braid into registers. */ + word0 = crc0 ^ words[0]; +#if N > 1 + word1 = crc1 ^ words[1]; +#if N > 2 + word2 = crc2 ^ words[2]; +#if N > 3 + word3 = crc3 ^ words[3]; +#if N > 4 + word4 = crc4 ^ words[4]; +#if N > 5 + word5 = crc5 ^ words[5]; +#endif +#endif +#endif +#endif +#endif + words += N; + + /* Compute and update the CRC for each word. The loop should + get unrolled. */ + crc0 = crc_braid_table[0][word0 & 0xff]; +#if N > 1 + crc1 = crc_braid_table[0][word1 & 0xff]; +#if N > 2 + crc2 = crc_braid_table[0][word2 & 0xff]; +#if N > 3 + crc3 = crc_braid_table[0][word3 & 0xff]; +#if N > 4 + crc4 = crc_braid_table[0][word4 & 0xff]; +#if N > 5 + crc5 = crc_braid_table[0][word5 & 0xff]; +#endif +#endif +#endif +#endif +#endif + for (k = 1; k < W; k++) { + crc0 ^= crc_braid_table[k][(word0 >> (k << 3)) & 0xff]; +#if N > 1 + crc1 ^= crc_braid_table[k][(word1 >> (k << 3)) & 0xff]; +#if N > 2 + crc2 ^= crc_braid_table[k][(word2 >> (k << 3)) & 0xff]; +#if N > 3 + crc3 ^= crc_braid_table[k][(word3 >> (k << 3)) & 0xff]; +#if N > 4 + crc4 ^= crc_braid_table[k][(word4 >> (k << 3)) & 0xff]; +#if N > 5 + crc5 ^= crc_braid_table[k][(word5 >> (k << 3)) & 0xff]; +#endif +#endif +#endif +#endif +#endif + } + } + + /* + Process the last block, combining the CRCs of the N braids at the + same time. + */ + crc = crc_word(crc0 ^ words[0]); +#if N > 1 + crc = crc_word(crc1 ^ words[1] ^ crc); +#if N > 2 + crc = crc_word(crc2 ^ words[2] ^ crc); +#if N > 3 + crc = crc_word(crc3 ^ words[3] ^ crc); +#if N > 4 + crc = crc_word(crc4 ^ words[4] ^ crc); +#if N > 5 + crc = crc_word(crc5 ^ words[5] ^ crc); +#endif +#endif +#endif +#endif +#endif + words += N; + } + else { + /* Big endian. */ + + z_word_t crc0, word0, comb; +#if N > 1 + z_word_t crc1, word1; +#if N > 2 + z_word_t crc2, word2; +#if N > 3 + z_word_t crc3, word3; +#if N > 4 + z_word_t crc4, word4; +#if N > 5 + z_word_t crc5, word5; +#endif +#endif +#endif +#endif +#endif + + /* Initialize the CRC for each braid. */ + crc0 = byte_swap(crc); +#if N > 1 + crc1 = 0; +#if N > 2 + crc2 = 0; +#if N > 3 + crc3 = 0; +#if N > 4 + crc4 = 0; +#if N > 5 + crc5 = 0; +#endif +#endif +#endif +#endif +#endif + + /* + Process the first blks-1 blocks, computing the CRCs on each braid + independently. + */ + while (--blks) { + /* Load the word for each braid into registers. */ + word0 = crc0 ^ words[0]; +#if N > 1 + word1 = crc1 ^ words[1]; +#if N > 2 + word2 = crc2 ^ words[2]; +#if N > 3 + word3 = crc3 ^ words[3]; +#if N > 4 + word4 = crc4 ^ words[4]; +#if N > 5 + word5 = crc5 ^ words[5]; +#endif +#endif +#endif +#endif +#endif + words += N; + + /* Compute and update the CRC for each word. The loop should + get unrolled. */ + crc0 = crc_braid_big_table[0][word0 & 0xff]; +#if N > 1 + crc1 = crc_braid_big_table[0][word1 & 0xff]; +#if N > 2 + crc2 = crc_braid_big_table[0][word2 & 0xff]; +#if N > 3 + crc3 = crc_braid_big_table[0][word3 & 0xff]; +#if N > 4 + crc4 = crc_braid_big_table[0][word4 & 0xff]; +#if N > 5 + crc5 = crc_braid_big_table[0][word5 & 0xff]; +#endif +#endif +#endif +#endif +#endif + for (k = 1; k < W; k++) { + crc0 ^= crc_braid_big_table[k][(word0 >> (k << 3)) & 0xff]; +#if N > 1 + crc1 ^= crc_braid_big_table[k][(word1 >> (k << 3)) & 0xff]; +#if N > 2 + crc2 ^= crc_braid_big_table[k][(word2 >> (k << 3)) & 0xff]; +#if N > 3 + crc3 ^= crc_braid_big_table[k][(word3 >> (k << 3)) & 0xff]; +#if N > 4 + crc4 ^= crc_braid_big_table[k][(word4 >> (k << 3)) & 0xff]; +#if N > 5 + crc5 ^= crc_braid_big_table[k][(word5 >> (k << 3)) & 0xff]; +#endif +#endif +#endif +#endif +#endif + } + } + + /* + Process the last block, combining the CRCs of the N braids at the + same time. + */ + comb = crc_word_big(crc0 ^ words[0]); +#if N > 1 + comb = crc_word_big(crc1 ^ words[1] ^ comb); +#if N > 2 + comb = crc_word_big(crc2 ^ words[2] ^ comb); +#if N > 3 + comb = crc_word_big(crc3 ^ words[3] ^ comb); +#if N > 4 + comb = crc_word_big(crc4 ^ words[4] ^ comb); +#if N > 5 + comb = crc_word_big(crc5 ^ words[5] ^ comb); +#endif +#endif +#endif +#endif +#endif + words += N; + crc = byte_swap(comb); + } + + /* + Update the pointer to the remaining bytes to process. + */ + buf = (unsigned char const *)words; + } + +#endif /* W */ + + /* Complete the computation of the CRC on any remaining bytes. */ + while (len >= 8) { + len -= 8; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + while (len) { + len--; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + + /* Return the CRC, post-conditioned. */ + return crc ^ 0xffffffff; +} + +#endif + +/* ========================================================================= */ +unsigned long ZEXPORT crc32(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + uInt len; +{ + return crc32_z(crc, buf, len); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine64(crc1, crc2, len2) + uLong crc1; + uLong crc2; + z_off64_t len2; +{ +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine(crc1, crc2, len2) + uLong crc1; + uLong crc2; + z_off_t len2; +{ + return crc32_combine64(crc1, crc2, (z_off64_t)len2); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_gen64(len2) + z_off64_t len2; +{ +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return x2nmodp(len2, 3); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_gen(len2) + z_off_t len2; +{ + return crc32_combine_gen64((z_off64_t)len2); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_op(crc1, crc2, op) + uLong crc1; + uLong crc2; + uLong op; +{ + return multmodp(op, crc1) ^ (crc2 & 0xffffffff); +} diff --git a/crc32.h b/crc32.h new file mode 100644 index 0000000..137df68 --- /dev/null +++ b/crc32.h @@ -0,0 +1,9446 @@ +/* crc32.h -- tables for rapid CRC calculation + * Generated automatically by crc32.c + */ + +local const z_crc_t FAR crc_table[] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}; + +#ifdef W + +#if W == 8 + +local const z_word_t FAR crc_big_table[] = { + 0x0000000000000000, 0x9630077700000000, 0x2c610eee00000000, + 0xba51099900000000, 0x19c46d0700000000, 0x8ff46a7000000000, + 0x35a563e900000000, 0xa395649e00000000, 0x3288db0e00000000, + 0xa4b8dc7900000000, 0x1ee9d5e000000000, 0x88d9d29700000000, + 0x2b4cb60900000000, 0xbd7cb17e00000000, 0x072db8e700000000, + 0x911dbf9000000000, 0x6410b71d00000000, 0xf220b06a00000000, + 0x4871b9f300000000, 0xde41be8400000000, 0x7dd4da1a00000000, + 0xebe4dd6d00000000, 0x51b5d4f400000000, 0xc785d38300000000, + 0x56986c1300000000, 0xc0a86b6400000000, 0x7af962fd00000000, + 0xecc9658a00000000, 0x4f5c011400000000, 0xd96c066300000000, + 0x633d0ffa00000000, 0xf50d088d00000000, 0xc8206e3b00000000, + 0x5e10694c00000000, 0xe44160d500000000, 0x727167a200000000, + 0xd1e4033c00000000, 0x47d4044b00000000, 0xfd850dd200000000, + 0x6bb50aa500000000, 0xfaa8b53500000000, 0x6c98b24200000000, + 0xd6c9bbdb00000000, 0x40f9bcac00000000, 0xe36cd83200000000, + 0x755cdf4500000000, 0xcf0dd6dc00000000, 0x593dd1ab00000000, + 0xac30d92600000000, 0x3a00de5100000000, 0x8051d7c800000000, + 0x1661d0bf00000000, 0xb5f4b42100000000, 0x23c4b35600000000, + 0x9995bacf00000000, 0x0fa5bdb800000000, 0x9eb8022800000000, + 0x0888055f00000000, 0xb2d90cc600000000, 0x24e90bb100000000, + 0x877c6f2f00000000, 0x114c685800000000, 0xab1d61c100000000, + 0x3d2d66b600000000, 0x9041dc7600000000, 0x0671db0100000000, + 0xbc20d29800000000, 0x2a10d5ef00000000, 0x8985b17100000000, + 0x1fb5b60600000000, 0xa5e4bf9f00000000, 0x33d4b8e800000000, + 0xa2c9077800000000, 0x34f9000f00000000, 0x8ea8099600000000, + 0x18980ee100000000, 0xbb0d6a7f00000000, 0x2d3d6d0800000000, + 0x976c649100000000, 0x015c63e600000000, 0xf4516b6b00000000, + 0x62616c1c00000000, 0xd830658500000000, 0x4e0062f200000000, + 0xed95066c00000000, 0x7ba5011b00000000, 0xc1f4088200000000, + 0x57c40ff500000000, 0xc6d9b06500000000, 0x50e9b71200000000, + 0xeab8be8b00000000, 0x7c88b9fc00000000, 0xdf1ddd6200000000, + 0x492dda1500000000, 0xf37cd38c00000000, 0x654cd4fb00000000, + 0x5861b24d00000000, 0xce51b53a00000000, 0x7400bca300000000, + 0xe230bbd400000000, 0x41a5df4a00000000, 0xd795d83d00000000, + 0x6dc4d1a400000000, 0xfbf4d6d300000000, 0x6ae9694300000000, + 0xfcd96e3400000000, 0x468867ad00000000, 0xd0b860da00000000, + 0x732d044400000000, 0xe51d033300000000, 0x5f4c0aaa00000000, + 0xc97c0ddd00000000, 0x3c71055000000000, 0xaa41022700000000, + 0x10100bbe00000000, 0x86200cc900000000, 0x25b5685700000000, + 0xb3856f2000000000, 0x09d466b900000000, 0x9fe461ce00000000, + 0x0ef9de5e00000000, 0x98c9d92900000000, 0x2298d0b000000000, + 0xb4a8d7c700000000, 0x173db35900000000, 0x810db42e00000000, + 0x3b5cbdb700000000, 0xad6cbac000000000, 0x2083b8ed00000000, + 0xb6b3bf9a00000000, 0x0ce2b60300000000, 0x9ad2b17400000000, + 0x3947d5ea00000000, 0xaf77d29d00000000, 0x1526db0400000000, + 0x8316dc7300000000, 0x120b63e300000000, 0x843b649400000000, + 0x3e6a6d0d00000000, 0xa85a6a7a00000000, 0x0bcf0ee400000000, + 0x9dff099300000000, 0x27ae000a00000000, 0xb19e077d00000000, + 0x44930ff000000000, 0xd2a3088700000000, 0x68f2011e00000000, + 0xfec2066900000000, 0x5d5762f700000000, 0xcb67658000000000, + 0x71366c1900000000, 0xe7066b6e00000000, 0x761bd4fe00000000, + 0xe02bd38900000000, 0x5a7ada1000000000, 0xcc4add6700000000, + 0x6fdfb9f900000000, 0xf9efbe8e00000000, 0x43beb71700000000, + 0xd58eb06000000000, 0xe8a3d6d600000000, 0x7e93d1a100000000, + 0xc4c2d83800000000, 0x52f2df4f00000000, 0xf167bbd100000000, + 0x6757bca600000000, 0xdd06b53f00000000, 0x4b36b24800000000, + 0xda2b0dd800000000, 0x4c1b0aaf00000000, 0xf64a033600000000, + 0x607a044100000000, 0xc3ef60df00000000, 0x55df67a800000000, + 0xef8e6e3100000000, 0x79be694600000000, 0x8cb361cb00000000, + 0x1a8366bc00000000, 0xa0d26f2500000000, 0x36e2685200000000, + 0x95770ccc00000000, 0x03470bbb00000000, 0xb916022200000000, + 0x2f26055500000000, 0xbe3bbac500000000, 0x280bbdb200000000, + 0x925ab42b00000000, 0x046ab35c00000000, 0xa7ffd7c200000000, + 0x31cfd0b500000000, 0x8b9ed92c00000000, 0x1daede5b00000000, + 0xb0c2649b00000000, 0x26f263ec00000000, 0x9ca36a7500000000, + 0x0a936d0200000000, 0xa906099c00000000, 0x3f360eeb00000000, + 0x8567077200000000, 0x1357000500000000, 0x824abf9500000000, + 0x147ab8e200000000, 0xae2bb17b00000000, 0x381bb60c00000000, + 0x9b8ed29200000000, 0x0dbed5e500000000, 0xb7efdc7c00000000, + 0x21dfdb0b00000000, 0xd4d2d38600000000, 0x42e2d4f100000000, + 0xf8b3dd6800000000, 0x6e83da1f00000000, 0xcd16be8100000000, + 0x5b26b9f600000000, 0xe177b06f00000000, 0x7747b71800000000, + 0xe65a088800000000, 0x706a0fff00000000, 0xca3b066600000000, + 0x5c0b011100000000, 0xff9e658f00000000, 0x69ae62f800000000, + 0xd3ff6b6100000000, 0x45cf6c1600000000, 0x78e20aa000000000, + 0xeed20dd700000000, 0x5483044e00000000, 0xc2b3033900000000, + 0x612667a700000000, 0xf71660d000000000, 0x4d47694900000000, + 0xdb776e3e00000000, 0x4a6ad1ae00000000, 0xdc5ad6d900000000, + 0x660bdf4000000000, 0xf03bd83700000000, 0x53aebca900000000, + 0xc59ebbde00000000, 0x7fcfb24700000000, 0xe9ffb53000000000, + 0x1cf2bdbd00000000, 0x8ac2baca00000000, 0x3093b35300000000, + 0xa6a3b42400000000, 0x0536d0ba00000000, 0x9306d7cd00000000, + 0x2957de5400000000, 0xbf67d92300000000, 0x2e7a66b300000000, + 0xb84a61c400000000, 0x021b685d00000000, 0x942b6f2a00000000, + 0x37be0bb400000000, 0xa18e0cc300000000, 0x1bdf055a00000000, + 0x8def022d00000000}; + +#else /* W == 4 */ + +local const z_word_t FAR crc_big_table[] = { + 0x00000000, 0x96300777, 0x2c610eee, 0xba510999, 0x19c46d07, + 0x8ff46a70, 0x35a563e9, 0xa395649e, 0x3288db0e, 0xa4b8dc79, + 0x1ee9d5e0, 0x88d9d297, 0x2b4cb609, 0xbd7cb17e, 0x072db8e7, + 0x911dbf90, 0x6410b71d, 0xf220b06a, 0x4871b9f3, 0xde41be84, + 0x7dd4da1a, 0xebe4dd6d, 0x51b5d4f4, 0xc785d383, 0x56986c13, + 0xc0a86b64, 0x7af962fd, 0xecc9658a, 0x4f5c0114, 0xd96c0663, + 0x633d0ffa, 0xf50d088d, 0xc8206e3b, 0x5e10694c, 0xe44160d5, + 0x727167a2, 0xd1e4033c, 0x47d4044b, 0xfd850dd2, 0x6bb50aa5, + 0xfaa8b535, 0x6c98b242, 0xd6c9bbdb, 0x40f9bcac, 0xe36cd832, + 0x755cdf45, 0xcf0dd6dc, 0x593dd1ab, 0xac30d926, 0x3a00de51, + 0x8051d7c8, 0x1661d0bf, 0xb5f4b421, 0x23c4b356, 0x9995bacf, + 0x0fa5bdb8, 0x9eb80228, 0x0888055f, 0xb2d90cc6, 0x24e90bb1, + 0x877c6f2f, 0x114c6858, 0xab1d61c1, 0x3d2d66b6, 0x9041dc76, + 0x0671db01, 0xbc20d298, 0x2a10d5ef, 0x8985b171, 0x1fb5b606, + 0xa5e4bf9f, 0x33d4b8e8, 0xa2c90778, 0x34f9000f, 0x8ea80996, + 0x18980ee1, 0xbb0d6a7f, 0x2d3d6d08, 0x976c6491, 0x015c63e6, + 0xf4516b6b, 0x62616c1c, 0xd8306585, 0x4e0062f2, 0xed95066c, + 0x7ba5011b, 0xc1f40882, 0x57c40ff5, 0xc6d9b065, 0x50e9b712, + 0xeab8be8b, 0x7c88b9fc, 0xdf1ddd62, 0x492dda15, 0xf37cd38c, + 0x654cd4fb, 0x5861b24d, 0xce51b53a, 0x7400bca3, 0xe230bbd4, + 0x41a5df4a, 0xd795d83d, 0x6dc4d1a4, 0xfbf4d6d3, 0x6ae96943, + 0xfcd96e34, 0x468867ad, 0xd0b860da, 0x732d0444, 0xe51d0333, + 0x5f4c0aaa, 0xc97c0ddd, 0x3c710550, 0xaa410227, 0x10100bbe, + 0x86200cc9, 0x25b56857, 0xb3856f20, 0x09d466b9, 0x9fe461ce, + 0x0ef9de5e, 0x98c9d929, 0x2298d0b0, 0xb4a8d7c7, 0x173db359, + 0x810db42e, 0x3b5cbdb7, 0xad6cbac0, 0x2083b8ed, 0xb6b3bf9a, + 0x0ce2b603, 0x9ad2b174, 0x3947d5ea, 0xaf77d29d, 0x1526db04, + 0x8316dc73, 0x120b63e3, 0x843b6494, 0x3e6a6d0d, 0xa85a6a7a, + 0x0bcf0ee4, 0x9dff0993, 0x27ae000a, 0xb19e077d, 0x44930ff0, + 0xd2a30887, 0x68f2011e, 0xfec20669, 0x5d5762f7, 0xcb676580, + 0x71366c19, 0xe7066b6e, 0x761bd4fe, 0xe02bd389, 0x5a7ada10, + 0xcc4add67, 0x6fdfb9f9, 0xf9efbe8e, 0x43beb717, 0xd58eb060, + 0xe8a3d6d6, 0x7e93d1a1, 0xc4c2d838, 0x52f2df4f, 0xf167bbd1, + 0x6757bca6, 0xdd06b53f, 0x4b36b248, 0xda2b0dd8, 0x4c1b0aaf, + 0xf64a0336, 0x607a0441, 0xc3ef60df, 0x55df67a8, 0xef8e6e31, + 0x79be6946, 0x8cb361cb, 0x1a8366bc, 0xa0d26f25, 0x36e26852, + 0x95770ccc, 0x03470bbb, 0xb9160222, 0x2f260555, 0xbe3bbac5, + 0x280bbdb2, 0x925ab42b, 0x046ab35c, 0xa7ffd7c2, 0x31cfd0b5, + 0x8b9ed92c, 0x1daede5b, 0xb0c2649b, 0x26f263ec, 0x9ca36a75, + 0x0a936d02, 0xa906099c, 0x3f360eeb, 0x85670772, 0x13570005, + 0x824abf95, 0x147ab8e2, 0xae2bb17b, 0x381bb60c, 0x9b8ed292, + 0x0dbed5e5, 0xb7efdc7c, 0x21dfdb0b, 0xd4d2d386, 0x42e2d4f1, + 0xf8b3dd68, 0x6e83da1f, 0xcd16be81, 0x5b26b9f6, 0xe177b06f, + 0x7747b718, 0xe65a0888, 0x706a0fff, 0xca3b0666, 0x5c0b0111, + 0xff9e658f, 0x69ae62f8, 0xd3ff6b61, 0x45cf6c16, 0x78e20aa0, + 0xeed20dd7, 0x5483044e, 0xc2b30339, 0x612667a7, 0xf71660d0, + 0x4d476949, 0xdb776e3e, 0x4a6ad1ae, 0xdc5ad6d9, 0x660bdf40, + 0xf03bd837, 0x53aebca9, 0xc59ebbde, 0x7fcfb247, 0xe9ffb530, + 0x1cf2bdbd, 0x8ac2baca, 0x3093b353, 0xa6a3b424, 0x0536d0ba, + 0x9306d7cd, 0x2957de54, 0xbf67d923, 0x2e7a66b3, 0xb84a61c4, + 0x021b685d, 0x942b6f2a, 0x37be0bb4, 0xa18e0cc3, 0x1bdf055a, + 0x8def022d}; + +#endif + +#if N == 1 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xccaa009e, 0x4225077d, 0x8e8f07e3, 0x844a0efa, + 0x48e00e64, 0xc66f0987, 0x0ac50919, 0xd3e51bb5, 0x1f4f1b2b, + 0x91c01cc8, 0x5d6a1c56, 0x57af154f, 0x9b0515d1, 0x158a1232, + 0xd92012ac, 0x7cbb312b, 0xb01131b5, 0x3e9e3656, 0xf23436c8, + 0xf8f13fd1, 0x345b3f4f, 0xbad438ac, 0x767e3832, 0xaf5e2a9e, + 0x63f42a00, 0xed7b2de3, 0x21d12d7d, 0x2b142464, 0xe7be24fa, + 0x69312319, 0xa59b2387, 0xf9766256, 0x35dc62c8, 0xbb53652b, + 0x77f965b5, 0x7d3c6cac, 0xb1966c32, 0x3f196bd1, 0xf3b36b4f, + 0x2a9379e3, 0xe639797d, 0x68b67e9e, 0xa41c7e00, 0xaed97719, + 0x62737787, 0xecfc7064, 0x205670fa, 0x85cd537d, 0x496753e3, + 0xc7e85400, 0x0b42549e, 0x01875d87, 0xcd2d5d19, 0x43a25afa, + 0x8f085a64, 0x562848c8, 0x9a824856, 0x140d4fb5, 0xd8a74f2b, + 0xd2624632, 0x1ec846ac, 0x9047414f, 0x5ced41d1, 0x299dc2ed, + 0xe537c273, 0x6bb8c590, 0xa712c50e, 0xadd7cc17, 0x617dcc89, + 0xeff2cb6a, 0x2358cbf4, 0xfa78d958, 0x36d2d9c6, 0xb85dde25, + 0x74f7debb, 0x7e32d7a2, 0xb298d73c, 0x3c17d0df, 0xf0bdd041, + 0x5526f3c6, 0x998cf358, 0x1703f4bb, 0xdba9f425, 0xd16cfd3c, + 0x1dc6fda2, 0x9349fa41, 0x5fe3fadf, 0x86c3e873, 0x4a69e8ed, + 0xc4e6ef0e, 0x084cef90, 0x0289e689, 0xce23e617, 0x40ace1f4, + 0x8c06e16a, 0xd0eba0bb, 0x1c41a025, 0x92cea7c6, 0x5e64a758, + 0x54a1ae41, 0x980baedf, 0x1684a93c, 0xda2ea9a2, 0x030ebb0e, + 0xcfa4bb90, 0x412bbc73, 0x8d81bced, 0x8744b5f4, 0x4beeb56a, + 0xc561b289, 0x09cbb217, 0xac509190, 0x60fa910e, 0xee7596ed, + 0x22df9673, 0x281a9f6a, 0xe4b09ff4, 0x6a3f9817, 0xa6959889, + 0x7fb58a25, 0xb31f8abb, 0x3d908d58, 0xf13a8dc6, 0xfbff84df, + 0x37558441, 0xb9da83a2, 0x7570833c, 0x533b85da, 0x9f918544, + 0x111e82a7, 0xddb48239, 0xd7718b20, 0x1bdb8bbe, 0x95548c5d, + 0x59fe8cc3, 0x80de9e6f, 0x4c749ef1, 0xc2fb9912, 0x0e51998c, + 0x04949095, 0xc83e900b, 0x46b197e8, 0x8a1b9776, 0x2f80b4f1, + 0xe32ab46f, 0x6da5b38c, 0xa10fb312, 0xabcaba0b, 0x6760ba95, + 0xe9efbd76, 0x2545bde8, 0xfc65af44, 0x30cfafda, 0xbe40a839, + 0x72eaa8a7, 0x782fa1be, 0xb485a120, 0x3a0aa6c3, 0xf6a0a65d, + 0xaa4de78c, 0x66e7e712, 0xe868e0f1, 0x24c2e06f, 0x2e07e976, + 0xe2ade9e8, 0x6c22ee0b, 0xa088ee95, 0x79a8fc39, 0xb502fca7, + 0x3b8dfb44, 0xf727fbda, 0xfde2f2c3, 0x3148f25d, 0xbfc7f5be, + 0x736df520, 0xd6f6d6a7, 0x1a5cd639, 0x94d3d1da, 0x5879d144, + 0x52bcd85d, 0x9e16d8c3, 0x1099df20, 0xdc33dfbe, 0x0513cd12, + 0xc9b9cd8c, 0x4736ca6f, 0x8b9ccaf1, 0x8159c3e8, 0x4df3c376, + 0xc37cc495, 0x0fd6c40b, 0x7aa64737, 0xb60c47a9, 0x3883404a, + 0xf42940d4, 0xfeec49cd, 0x32464953, 0xbcc94eb0, 0x70634e2e, + 0xa9435c82, 0x65e95c1c, 0xeb665bff, 0x27cc5b61, 0x2d095278, + 0xe1a352e6, 0x6f2c5505, 0xa386559b, 0x061d761c, 0xcab77682, + 0x44387161, 0x889271ff, 0x825778e6, 0x4efd7878, 0xc0727f9b, + 0x0cd87f05, 0xd5f86da9, 0x19526d37, 0x97dd6ad4, 0x5b776a4a, + 0x51b26353, 0x9d1863cd, 0x1397642e, 0xdf3d64b0, 0x83d02561, + 0x4f7a25ff, 0xc1f5221c, 0x0d5f2282, 0x079a2b9b, 0xcb302b05, + 0x45bf2ce6, 0x89152c78, 0x50353ed4, 0x9c9f3e4a, 0x121039a9, + 0xdeba3937, 0xd47f302e, 0x18d530b0, 0x965a3753, 0x5af037cd, + 0xff6b144a, 0x33c114d4, 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0x4377e898, 0x5a6cd9d9, 0x152d4f1e, 0x0c367e5f, + 0x271b2d9c, 0x3e001cdd, 0xb9980012, 0xa0833153, 0x8bae6290, + 0x92b553d1, 0xddf4c516, 0xc4eff457, 0xefc2a794, 0xf6d996d5, + 0xae07bce9, 0xb71c8da8, 0x9c31de6b, 0x852aef2a, 0xca6b79ed, + 0xd37048ac, 0xf85d1b6f, 0xe1462a2e, 0x66de36e1, 0x7fc507a0, + 0x54e85463, 0x4df36522, 0x02b2f3e5, 0x1ba9c2a4, 0x30849167, + 0x299fa026, 0xe4c5aeb8, 0xfdde9ff9, 0xd6f3cc3a, 0xcfe8fd7b, + 0x80a96bbc, 0x99b25afd, 0xb29f093e, 0xab84387f, 0x2c1c24b0, + 0x350715f1, 0x1e2a4632, 0x07317773, 0x4870e1b4, 0x516bd0f5, + 0x7a468336, 0x635db277, 0xcbfad74e, 0xd2e1e60f, 0xf9ccb5cc, + 0xe0d7848d, 0xaf96124a, 0xb68d230b, 0x9da070c8, 0x84bb4189, + 0x03235d46, 0x1a386c07, 0x31153fc4, 0x280e0e85, 0x674f9842, + 0x7e54a903, 0x5579fac0, 0x4c62cb81, 0x8138c51f, 0x9823f45e, + 0xb30ea79d, 0xaa1596dc, 0xe554001b, 0xfc4f315a, 0xd7626299, + 0xce7953d8, 0x49e14f17, 0x50fa7e56, 0x7bd72d95, 0x62cc1cd4, + 0x2d8d8a13, 0x3496bb52, 0x1fbbe891, 0x06a0d9d0, 0x5e7ef3ec, + 0x4765c2ad, 0x6c48916e, 0x7553a02f, 0x3a1236e8, 0x230907a9, + 0x0824546a, 0x113f652b, 0x96a779e4, 0x8fbc48a5, 0xa4911b66, + 0xbd8a2a27, 0xf2cbbce0, 0xebd08da1, 0xc0fdde62, 0xd9e6ef23, + 0x14bce1bd, 0x0da7d0fc, 0x268a833f, 0x3f91b27e, 0x70d024b9, + 0x69cb15f8, 0x42e6463b, 0x5bfd777a, 0xdc656bb5, 0xc57e5af4, + 0xee530937, 0xf7483876, 0xb809aeb1, 0xa1129ff0, 0x8a3fcc33, + 0x9324fd72}, + {0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x9630077700000000, 0x2c610eee00000000, + 0xba51099900000000, 0x19c46d0700000000, 0x8ff46a7000000000, + 0x35a563e900000000, 0xa395649e00000000, 0x3288db0e00000000, + 0xa4b8dc7900000000, 0x1ee9d5e000000000, 0x88d9d29700000000, + 0x2b4cb60900000000, 0xbd7cb17e00000000, 0x072db8e700000000, + 0x911dbf9000000000, 0x6410b71d00000000, 0xf220b06a00000000, + 0x4871b9f300000000, 0xde41be8400000000, 0x7dd4da1a00000000, + 0xebe4dd6d00000000, 0x51b5d4f400000000, 0xc785d38300000000, + 0x56986c1300000000, 0xc0a86b6400000000, 0x7af962fd00000000, + 0xecc9658a00000000, 0x4f5c011400000000, 0xd96c066300000000, + 0x633d0ffa00000000, 0xf50d088d00000000, 0xc8206e3b00000000, + 0x5e10694c00000000, 0xe44160d500000000, 0x727167a200000000, + 0xd1e4033c00000000, 0x47d4044b00000000, 0xfd850dd200000000, + 0x6bb50aa500000000, 0xfaa8b53500000000, 0x6c98b24200000000, + 0xd6c9bbdb00000000, 0x40f9bcac00000000, 0xe36cd83200000000, + 0x755cdf4500000000, 0xcf0dd6dc00000000, 0x593dd1ab00000000, + 0xac30d92600000000, 0x3a00de5100000000, 0x8051d7c800000000, + 0x1661d0bf00000000, 0xb5f4b42100000000, 0x23c4b35600000000, + 0x9995bacf00000000, 0x0fa5bdb800000000, 0x9eb8022800000000, + 0x0888055f00000000, 0xb2d90cc600000000, 0x24e90bb100000000, + 0x877c6f2f00000000, 0x114c685800000000, 0xab1d61c100000000, + 0x3d2d66b600000000, 0x9041dc7600000000, 0x0671db0100000000, + 0xbc20d29800000000, 0x2a10d5ef00000000, 0x8985b17100000000, + 0x1fb5b60600000000, 0xa5e4bf9f00000000, 0x33d4b8e800000000, + 0xa2c9077800000000, 0x34f9000f00000000, 0x8ea8099600000000, + 0x18980ee100000000, 0xbb0d6a7f00000000, 0x2d3d6d0800000000, + 0x976c649100000000, 0x015c63e600000000, 0xf4516b6b00000000, + 0x62616c1c00000000, 0xd830658500000000, 0x4e0062f200000000, + 0xed95066c00000000, 0x7ba5011b00000000, 0xc1f4088200000000, + 0x57c40ff500000000, 0xc6d9b06500000000, 0x50e9b71200000000, + 0xeab8be8b00000000, 0x7c88b9fc00000000, 0xdf1ddd6200000000, + 0x492dda1500000000, 0xf37cd38c00000000, 0x654cd4fb00000000, + 0x5861b24d00000000, 0xce51b53a00000000, 0x7400bca300000000, + 0xe230bbd400000000, 0x41a5df4a00000000, 0xd795d83d00000000, + 0x6dc4d1a400000000, 0xfbf4d6d300000000, 0x6ae9694300000000, + 0xfcd96e3400000000, 0x468867ad00000000, 0xd0b860da00000000, + 0x732d044400000000, 0xe51d033300000000, 0x5f4c0aaa00000000, + 0xc97c0ddd00000000, 0x3c71055000000000, 0xaa41022700000000, + 0x10100bbe00000000, 0x86200cc900000000, 0x25b5685700000000, + 0xb3856f2000000000, 0x09d466b900000000, 0x9fe461ce00000000, + 0x0ef9de5e00000000, 0x98c9d92900000000, 0x2298d0b000000000, + 0xb4a8d7c700000000, 0x173db35900000000, 0x810db42e00000000, + 0x3b5cbdb700000000, 0xad6cbac000000000, 0x2083b8ed00000000, + 0xb6b3bf9a00000000, 0x0ce2b60300000000, 0x9ad2b17400000000, + 0x3947d5ea00000000, 0xaf77d29d00000000, 0x1526db0400000000, + 0x8316dc7300000000, 0x120b63e300000000, 0x843b649400000000, + 0x3e6a6d0d00000000, 0xa85a6a7a00000000, 0x0bcf0ee400000000, + 0x9dff099300000000, 0x27ae000a00000000, 0xb19e077d00000000, + 0x44930ff000000000, 0xd2a3088700000000, 0x68f2011e00000000, + 0xfec2066900000000, 0x5d5762f700000000, 0xcb67658000000000, + 0x71366c1900000000, 0xe7066b6e00000000, 0x761bd4fe00000000, + 0xe02bd38900000000, 0x5a7ada1000000000, 0xcc4add6700000000, + 0x6fdfb9f900000000, 0xf9efbe8e00000000, 0x43beb71700000000, + 0xd58eb06000000000, 0xe8a3d6d600000000, 0x7e93d1a100000000, + 0xc4c2d83800000000, 0x52f2df4f00000000, 0xf167bbd100000000, + 0x6757bca600000000, 0xdd06b53f00000000, 0x4b36b24800000000, + 0xda2b0dd800000000, 0x4c1b0aaf00000000, 0xf64a033600000000, + 0x607a044100000000, 0xc3ef60df00000000, 0x55df67a800000000, + 0xef8e6e3100000000, 0x79be694600000000, 0x8cb361cb00000000, + 0x1a8366bc00000000, 0xa0d26f2500000000, 0x36e2685200000000, + 0x95770ccc00000000, 0x03470bbb00000000, 0xb916022200000000, + 0x2f26055500000000, 0xbe3bbac500000000, 0x280bbdb200000000, + 0x925ab42b00000000, 0x046ab35c00000000, 0xa7ffd7c200000000, + 0x31cfd0b500000000, 0x8b9ed92c00000000, 0x1daede5b00000000, + 0xb0c2649b00000000, 0x26f263ec00000000, 0x9ca36a7500000000, + 0x0a936d0200000000, 0xa906099c00000000, 0x3f360eeb00000000, + 0x8567077200000000, 0x1357000500000000, 0x824abf9500000000, + 0x147ab8e200000000, 0xae2bb17b00000000, 0x381bb60c00000000, + 0x9b8ed29200000000, 0x0dbed5e500000000, 0xb7efdc7c00000000, + 0x21dfdb0b00000000, 0xd4d2d38600000000, 0x42e2d4f100000000, + 0xf8b3dd6800000000, 0x6e83da1f00000000, 0xcd16be8100000000, + 0x5b26b9f600000000, 0xe177b06f00000000, 0x7747b71800000000, + 0xe65a088800000000, 0x706a0fff00000000, 0xca3b066600000000, + 0x5c0b011100000000, 0xff9e658f00000000, 0x69ae62f800000000, + 0xd3ff6b6100000000, 0x45cf6c1600000000, 0x78e20aa000000000, + 0xeed20dd700000000, 0x5483044e00000000, 0xc2b3033900000000, + 0x612667a700000000, 0xf71660d000000000, 0x4d47694900000000, + 0xdb776e3e00000000, 0x4a6ad1ae00000000, 0xdc5ad6d900000000, + 0x660bdf4000000000, 0xf03bd83700000000, 0x53aebca900000000, + 0xc59ebbde00000000, 0x7fcfb24700000000, 0xe9ffb53000000000, + 0x1cf2bdbd00000000, 0x8ac2baca00000000, 0x3093b35300000000, + 0xa6a3b42400000000, 0x0536d0ba00000000, 0x9306d7cd00000000, + 0x2957de5400000000, 0xbf67d92300000000, 0x2e7a66b300000000, + 0xb84a61c400000000, 0x021b685d00000000, 0x942b6f2a00000000, + 0x37be0bb400000000, 0xa18e0cc300000000, 0x1bdf055a00000000, + 0x8def022d00000000}, + {0x0000000000000000, 0x41311b1900000000, 0x8262363200000000, + 0xc3532d2b00000000, 0x04c56c6400000000, 0x45f4777d00000000, + 0x86a75a5600000000, 0xc796414f00000000, 0x088ad9c800000000, + 0x49bbc2d100000000, 0x8ae8effa00000000, 0xcbd9f4e300000000, + 0x0c4fb5ac00000000, 0x4d7eaeb500000000, 0x8e2d839e00000000, + 0xcf1c988700000000, 0x5112c24a00000000, 0x1023d95300000000, + 0xd370f47800000000, 0x9241ef6100000000, 0x55d7ae2e00000000, + 0x14e6b53700000000, 0xd7b5981c00000000, 0x9684830500000000, + 0x59981b8200000000, 0x18a9009b00000000, 0xdbfa2db000000000, + 0x9acb36a900000000, 0x5d5d77e600000000, 0x1c6c6cff00000000, + 0xdf3f41d400000000, 0x9e0e5acd00000000, 0xa224849500000000, + 0xe3159f8c00000000, 0x2046b2a700000000, 0x6177a9be00000000, + 0xa6e1e8f100000000, 0xe7d0f3e800000000, 0x2483dec300000000, + 0x65b2c5da00000000, 0xaaae5d5d00000000, 0xeb9f464400000000, + 0x28cc6b6f00000000, 0x69fd707600000000, 0xae6b313900000000, + 0xef5a2a2000000000, 0x2c09070b00000000, 0x6d381c1200000000, + 0xf33646df00000000, 0xb2075dc600000000, 0x715470ed00000000, + 0x30656bf400000000, 0xf7f32abb00000000, 0xb6c231a200000000, + 0x75911c8900000000, 0x34a0079000000000, 0xfbbc9f1700000000, + 0xba8d840e00000000, 0x79dea92500000000, 0x38efb23c00000000, + 0xff79f37300000000, 0xbe48e86a00000000, 0x7d1bc54100000000, + 0x3c2ade5800000000, 0x054f79f000000000, 0x447e62e900000000, + 0x872d4fc200000000, 0xc61c54db00000000, 0x018a159400000000, + 0x40bb0e8d00000000, 0x83e823a600000000, 0xc2d938bf00000000, + 0x0dc5a03800000000, 0x4cf4bb2100000000, 0x8fa7960a00000000, + 0xce968d1300000000, 0x0900cc5c00000000, 0x4831d74500000000, + 0x8b62fa6e00000000, 0xca53e17700000000, 0x545dbbba00000000, + 0x156ca0a300000000, 0xd63f8d8800000000, 0x970e969100000000, + 0x5098d7de00000000, 0x11a9ccc700000000, 0xd2fae1ec00000000, + 0x93cbfaf500000000, 0x5cd7627200000000, 0x1de6796b00000000, + 0xdeb5544000000000, 0x9f844f5900000000, 0x58120e1600000000, + 0x1923150f00000000, 0xda70382400000000, 0x9b41233d00000000, + 0xa76bfd6500000000, 0xe65ae67c00000000, 0x2509cb5700000000, + 0x6438d04e00000000, 0xa3ae910100000000, 0xe29f8a1800000000, + 0x21cca73300000000, 0x60fdbc2a00000000, 0xafe124ad00000000, + 0xeed03fb400000000, 0x2d83129f00000000, 0x6cb2098600000000, + 0xab2448c900000000, 0xea1553d000000000, 0x29467efb00000000, + 0x687765e200000000, 0xf6793f2f00000000, 0xb748243600000000, + 0x741b091d00000000, 0x352a120400000000, 0xf2bc534b00000000, + 0xb38d485200000000, 0x70de657900000000, 0x31ef7e6000000000, + 0xfef3e6e700000000, 0xbfc2fdfe00000000, 0x7c91d0d500000000, + 0x3da0cbcc00000000, 0xfa368a8300000000, 0xbb07919a00000000, + 0x7854bcb100000000, 0x3965a7a800000000, 0x4b98833b00000000, + 0x0aa9982200000000, 0xc9fab50900000000, 0x88cbae1000000000, + 0x4f5def5f00000000, 0x0e6cf44600000000, 0xcd3fd96d00000000, + 0x8c0ec27400000000, 0x43125af300000000, 0x022341ea00000000, + 0xc1706cc100000000, 0x804177d800000000, 0x47d7369700000000, + 0x06e62d8e00000000, 0xc5b500a500000000, 0x84841bbc00000000, + 0x1a8a417100000000, 0x5bbb5a6800000000, 0x98e8774300000000, + 0xd9d96c5a00000000, 0x1e4f2d1500000000, 0x5f7e360c00000000, + 0x9c2d1b2700000000, 0xdd1c003e00000000, 0x120098b900000000, + 0x533183a000000000, 0x9062ae8b00000000, 0xd153b59200000000, + 0x16c5f4dd00000000, 0x57f4efc400000000, 0x94a7c2ef00000000, + 0xd596d9f600000000, 0xe9bc07ae00000000, 0xa88d1cb700000000, + 0x6bde319c00000000, 0x2aef2a8500000000, 0xed796bca00000000, + 0xac4870d300000000, 0x6f1b5df800000000, 0x2e2a46e100000000, + 0xe136de6600000000, 0xa007c57f00000000, 0x6354e85400000000, + 0x2265f34d00000000, 0xe5f3b20200000000, 0xa4c2a91b00000000, + 0x6791843000000000, 0x26a09f2900000000, 0xb8aec5e400000000, + 0xf99fdefd00000000, 0x3accf3d600000000, 0x7bfde8cf00000000, + 0xbc6ba98000000000, 0xfd5ab29900000000, 0x3e099fb200000000, + 0x7f3884ab00000000, 0xb0241c2c00000000, 0xf115073500000000, + 0x32462a1e00000000, 0x7377310700000000, 0xb4e1704800000000, + 0xf5d06b5100000000, 0x3683467a00000000, 0x77b25d6300000000, + 0x4ed7facb00000000, 0x0fe6e1d200000000, 0xccb5ccf900000000, + 0x8d84d7e000000000, 0x4a1296af00000000, 0x0b238db600000000, + 0xc870a09d00000000, 0x8941bb8400000000, 0x465d230300000000, + 0x076c381a00000000, 0xc43f153100000000, 0x850e0e2800000000, + 0x42984f6700000000, 0x03a9547e00000000, 0xc0fa795500000000, + 0x81cb624c00000000, 0x1fc5388100000000, 0x5ef4239800000000, + 0x9da70eb300000000, 0xdc9615aa00000000, 0x1b0054e500000000, + 0x5a314ffc00000000, 0x996262d700000000, 0xd85379ce00000000, + 0x174fe14900000000, 0x567efa5000000000, 0x952dd77b00000000, + 0xd41ccc6200000000, 0x138a8d2d00000000, 0x52bb963400000000, + 0x91e8bb1f00000000, 0xd0d9a00600000000, 0xecf37e5e00000000, + 0xadc2654700000000, 0x6e91486c00000000, 0x2fa0537500000000, + 0xe836123a00000000, 0xa907092300000000, 0x6a54240800000000, + 0x2b653f1100000000, 0xe479a79600000000, 0xa548bc8f00000000, + 0x661b91a400000000, 0x272a8abd00000000, 0xe0bccbf200000000, + 0xa18dd0eb00000000, 0x62defdc000000000, 0x23efe6d900000000, + 0xbde1bc1400000000, 0xfcd0a70d00000000, 0x3f838a2600000000, + 0x7eb2913f00000000, 0xb924d07000000000, 0xf815cb6900000000, + 0x3b46e64200000000, 0x7a77fd5b00000000, 0xb56b65dc00000000, + 0xf45a7ec500000000, 0x370953ee00000000, 0x763848f700000000, + 0xb1ae09b800000000, 0xf09f12a100000000, 0x33cc3f8a00000000, + 0x72fd249300000000}, + {0x0000000000000000, 0x376ac20100000000, 0x6ed4840300000000, + 0x59be460200000000, 0xdca8090700000000, 0xebc2cb0600000000, + 0xb27c8d0400000000, 0x85164f0500000000, 0xb851130e00000000, + 0x8f3bd10f00000000, 0xd685970d00000000, 0xe1ef550c00000000, + 0x64f91a0900000000, 0x5393d80800000000, 0x0a2d9e0a00000000, + 0x3d475c0b00000000, 0x70a3261c00000000, 0x47c9e41d00000000, + 0x1e77a21f00000000, 0x291d601e00000000, 0xac0b2f1b00000000, + 0x9b61ed1a00000000, 0xc2dfab1800000000, 0xf5b5691900000000, + 0xc8f2351200000000, 0xff98f71300000000, 0xa626b11100000000, + 0x914c731000000000, 0x145a3c1500000000, 0x2330fe1400000000, + 0x7a8eb81600000000, 0x4de47a1700000000, 0xe0464d3800000000, + 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0x6bc175d400000000, 0xbbbbd59300000000, + 0x0b92b5ae00000000, 0x1b4e951c00000000, 0xab67f52100000000, + 0x7b1d556600000000, 0xcb34355b00000000, 0x1aa365d900000000, + 0xaa8a05e400000000, 0x7af0a5a300000000, 0xcad9c59e00000000, + 0xda05e52c00000000, 0x6a2c851100000000, 0xba56255600000000, + 0x0a7f456b00000000, 0x597ff58900000000, 0xe95695b400000000, + 0x392c35f300000000, 0x890555ce00000000, 0x99d9757c00000000, + 0x29f0154100000000, 0xf98ab50600000000, 0x49a3d53b00000000, + 0x983485b900000000, 0x281de58400000000, 0xf86745c300000000, + 0x484e25fe00000000, 0x5892054c00000000, 0xe8bb657100000000, + 0x38c1c53600000000, 0x88e8a50b00000000, 0xdfc7d42800000000, + 0x6feeb41500000000, 0xbf94145200000000, 0x0fbd746f00000000, + 0x1f6154dd00000000, 0xaf4834e000000000, 0x7f3294a700000000, + 0xcf1bf49a00000000, 0x1e8ca41800000000, 0xaea5c42500000000, + 0x7edf646200000000, 0xcef6045f00000000, 0xde2a24ed00000000, + 0x6e0344d000000000, 0xbe79e49700000000, 0x0e5084aa00000000, + 0x5d50344800000000, 0xed79547500000000, 0x3d03f43200000000, + 0x8d2a940f00000000, 0x9df6b4bd00000000, 0x2ddfd48000000000, + 0xfda574c700000000, 0x4d8c14fa00000000, 0x9c1b447800000000, + 0x2c32244500000000, 0xfc48840200000000, 0x4c61e43f00000000, + 0x5cbdc48d00000000, 0xec94a4b000000000, 0x3cee04f700000000, + 0x8cc764ca00000000}, + {0x0000000000000000, 0xa5d35ccb00000000, 0x0ba1c84d00000000, + 0xae72948600000000, 0x1642919b00000000, 0xb391cd5000000000, + 0x1de359d600000000, 0xb830051d00000000, 0x6d8253ec00000000, + 0xc8510f2700000000, 0x66239ba100000000, 0xc3f0c76a00000000, + 0x7bc0c27700000000, 0xde139ebc00000000, 0x70610a3a00000000, + 0xd5b256f100000000, 0x9b02d60300000000, 0x3ed18ac800000000, + 0x90a31e4e00000000, 0x3570428500000000, 0x8d40479800000000, + 0x28931b5300000000, 0x86e18fd500000000, 0x2332d31e00000000, + 0xf68085ef00000000, 0x5353d92400000000, 0xfd214da200000000, + 0x58f2116900000000, 0xe0c2147400000000, 0x451148bf00000000, + 0xeb63dc3900000000, 0x4eb080f200000000, 0x3605ac0700000000, + 0x93d6f0cc00000000, 0x3da4644a00000000, 0x9877388100000000, + 0x20473d9c00000000, 0x8594615700000000, 0x2be6f5d100000000, + 0x8e35a91a00000000, 0x5b87ffeb00000000, 0xfe54a32000000000, + 0x502637a600000000, 0xf5f56b6d00000000, 0x4dc56e7000000000, + 0xe81632bb00000000, 0x4664a63d00000000, 0xe3b7faf600000000, + 0xad077a0400000000, 0x08d426cf00000000, 0xa6a6b24900000000, + 0x0375ee8200000000, 0xbb45eb9f00000000, 0x1e96b75400000000, + 0xb0e423d200000000, 0x15377f1900000000, 0xc08529e800000000, + 0x6556752300000000, 0xcb24e1a500000000, 0x6ef7bd6e00000000, + 0xd6c7b87300000000, 0x7314e4b800000000, 0xdd66703e00000000, + 0x78b52cf500000000, 0x6c0a580f00000000, 0xc9d904c400000000, + 0x67ab904200000000, 0xc278cc8900000000, 0x7a48c99400000000, + 0xdf9b955f00000000, 0x71e901d900000000, 0xd43a5d1200000000, + 0x01880be300000000, 0xa45b572800000000, 0x0a29c3ae00000000, + 0xaffa9f6500000000, 0x17ca9a7800000000, 0xb219c6b300000000, + 0x1c6b523500000000, 0xb9b80efe00000000, 0xf7088e0c00000000, + 0x52dbd2c700000000, 0xfca9464100000000, 0x597a1a8a00000000, + 0xe14a1f9700000000, 0x4499435c00000000, 0xeaebd7da00000000, + 0x4f388b1100000000, 0x9a8adde000000000, 0x3f59812b00000000, + 0x912b15ad00000000, 0x34f8496600000000, 0x8cc84c7b00000000, + 0x291b10b000000000, 0x8769843600000000, 0x22bad8fd00000000, + 0x5a0ff40800000000, 0xffdca8c300000000, 0x51ae3c4500000000, + 0xf47d608e00000000, 0x4c4d659300000000, 0xe99e395800000000, + 0x47ecadde00000000, 0xe23ff11500000000, 0x378da7e400000000, + 0x925efb2f00000000, 0x3c2c6fa900000000, 0x99ff336200000000, + 0x21cf367f00000000, 0x841c6ab400000000, 0x2a6efe3200000000, + 0x8fbda2f900000000, 0xc10d220b00000000, 0x64de7ec000000000, + 0xcaacea4600000000, 0x6f7fb68d00000000, 0xd74fb39000000000, + 0x729cef5b00000000, 0xdcee7bdd00000000, 0x793d271600000000, + 0xac8f71e700000000, 0x095c2d2c00000000, 0xa72eb9aa00000000, + 0x02fde56100000000, 0xbacde07c00000000, 0x1f1ebcb700000000, + 0xb16c283100000000, 0x14bf74fa00000000, 0xd814b01e00000000, + 0x7dc7ecd500000000, 0xd3b5785300000000, 0x7666249800000000, + 0xce56218500000000, 0x6b857d4e00000000, 0xc5f7e9c800000000, + 0x6024b50300000000, 0xb596e3f200000000, 0x1045bf3900000000, + 0xbe372bbf00000000, 0x1be4777400000000, 0xa3d4726900000000, + 0x06072ea200000000, 0xa875ba2400000000, 0x0da6e6ef00000000, + 0x4316661d00000000, 0xe6c53ad600000000, 0x48b7ae5000000000, + 0xed64f29b00000000, 0x5554f78600000000, 0xf087ab4d00000000, + 0x5ef53fcb00000000, 0xfb26630000000000, 0x2e9435f100000000, + 0x8b47693a00000000, 0x2535fdbc00000000, 0x80e6a17700000000, + 0x38d6a46a00000000, 0x9d05f8a100000000, 0x33776c2700000000, + 0x96a430ec00000000, 0xee111c1900000000, 0x4bc240d200000000, + 0xe5b0d45400000000, 0x4063889f00000000, 0xf8538d8200000000, + 0x5d80d14900000000, 0xf3f245cf00000000, 0x5621190400000000, + 0x83934ff500000000, 0x2640133e00000000, 0x883287b800000000, + 0x2de1db7300000000, 0x95d1de6e00000000, 0x300282a500000000, + 0x9e70162300000000, 0x3ba34ae800000000, 0x7513ca1a00000000, + 0xd0c096d100000000, 0x7eb2025700000000, 0xdb615e9c00000000, + 0x63515b8100000000, 0xc682074a00000000, 0x68f093cc00000000, + 0xcd23cf0700000000, 0x189199f600000000, 0xbd42c53d00000000, + 0x133051bb00000000, 0xb6e30d7000000000, 0x0ed3086d00000000, + 0xab0054a600000000, 0x0572c02000000000, 0xa0a19ceb00000000, + 0xb41ee81100000000, 0x11cdb4da00000000, 0xbfbf205c00000000, + 0x1a6c7c9700000000, 0xa25c798a00000000, 0x078f254100000000, + 0xa9fdb1c700000000, 0x0c2eed0c00000000, 0xd99cbbfd00000000, + 0x7c4fe73600000000, 0xd23d73b000000000, 0x77ee2f7b00000000, + 0xcfde2a6600000000, 0x6a0d76ad00000000, 0xc47fe22b00000000, + 0x61acbee000000000, 0x2f1c3e1200000000, 0x8acf62d900000000, + 0x24bdf65f00000000, 0x816eaa9400000000, 0x395eaf8900000000, + 0x9c8df34200000000, 0x32ff67c400000000, 0x972c3b0f00000000, + 0x429e6dfe00000000, 0xe74d313500000000, 0x493fa5b300000000, + 0xececf97800000000, 0x54dcfc6500000000, 0xf10fa0ae00000000, + 0x5f7d342800000000, 0xfaae68e300000000, 0x821b441600000000, + 0x27c818dd00000000, 0x89ba8c5b00000000, 0x2c69d09000000000, + 0x9459d58d00000000, 0x318a894600000000, 0x9ff81dc000000000, + 0x3a2b410b00000000, 0xef9917fa00000000, 0x4a4a4b3100000000, + 0xe438dfb700000000, 0x41eb837c00000000, 0xf9db866100000000, + 0x5c08daaa00000000, 0xf27a4e2c00000000, 0x57a912e700000000, + 0x1919921500000000, 0xbccacede00000000, 0x12b85a5800000000, + 0xb76b069300000000, 0x0f5b038e00000000, 0xaa885f4500000000, + 0x04facbc300000000, 0xa129970800000000, 0x749bc1f900000000, + 0xd1489d3200000000, 0x7f3a09b400000000, 0xdae9557f00000000, + 0x62d9506200000000, 0xc70a0ca900000000, 0x6978982f00000000, + 0xccabc4e400000000}, + {0x0000000000000000, 0xb40b77a600000000, 0x29119f9700000000, + 0x9d1ae83100000000, 0x13244ff400000000, 0xa72f385200000000, + 0x3a35d06300000000, 0x8e3ea7c500000000, 0x674eef3300000000, + 0xd345989500000000, 0x4e5f70a400000000, 0xfa54070200000000, + 0x746aa0c700000000, 0xc061d76100000000, 0x5d7b3f5000000000, + 0xe97048f600000000, 0xce9cde6700000000, 0x7a97a9c100000000, + 0xe78d41f000000000, 0x5386365600000000, 0xddb8919300000000, + 0x69b3e63500000000, 0xf4a90e0400000000, 0x40a279a200000000, + 0xa9d2315400000000, 0x1dd946f200000000, 0x80c3aec300000000, + 0x34c8d96500000000, 0xbaf67ea000000000, 0x0efd090600000000, + 0x93e7e13700000000, 0x27ec969100000000, 0x9c39bdcf00000000, + 0x2832ca6900000000, 0xb528225800000000, 0x012355fe00000000, + 0x8f1df23b00000000, 0x3b16859d00000000, 0xa60c6dac00000000, + 0x12071a0a00000000, 0xfb7752fc00000000, 0x4f7c255a00000000, + 0xd266cd6b00000000, 0x666dbacd00000000, 0xe8531d0800000000, + 0x5c586aae00000000, 0xc142829f00000000, 0x7549f53900000000, + 0x52a563a800000000, 0xe6ae140e00000000, 0x7bb4fc3f00000000, + 0xcfbf8b9900000000, 0x41812c5c00000000, 0xf58a5bfa00000000, + 0x6890b3cb00000000, 0xdc9bc46d00000000, 0x35eb8c9b00000000, + 0x81e0fb3d00000000, 0x1cfa130c00000000, 0xa8f164aa00000000, + 0x26cfc36f00000000, 0x92c4b4c900000000, 0x0fde5cf800000000, + 0xbbd52b5e00000000, 0x79750b4400000000, 0xcd7e7ce200000000, + 0x506494d300000000, 0xe46fe37500000000, 0x6a5144b000000000, + 0xde5a331600000000, 0x4340db2700000000, 0xf74bac8100000000, + 0x1e3be47700000000, 0xaa3093d100000000, 0x372a7be000000000, + 0x83210c4600000000, 0x0d1fab8300000000, 0xb914dc2500000000, + 0x240e341400000000, 0x900543b200000000, 0xb7e9d52300000000, + 0x03e2a28500000000, 0x9ef84ab400000000, 0x2af33d1200000000, + 0xa4cd9ad700000000, 0x10c6ed7100000000, 0x8ddc054000000000, + 0x39d772e600000000, 0xd0a73a1000000000, 0x64ac4db600000000, + 0xf9b6a58700000000, 0x4dbdd22100000000, 0xc38375e400000000, + 0x7788024200000000, 0xea92ea7300000000, 0x5e999dd500000000, + 0xe54cb68b00000000, 0x5147c12d00000000, 0xcc5d291c00000000, + 0x78565eba00000000, 0xf668f97f00000000, 0x42638ed900000000, + 0xdf7966e800000000, 0x6b72114e00000000, 0x820259b800000000, + 0x36092e1e00000000, 0xab13c62f00000000, 0x1f18b18900000000, + 0x9126164c00000000, 0x252d61ea00000000, 0xb83789db00000000, + 0x0c3cfe7d00000000, 0x2bd068ec00000000, 0x9fdb1f4a00000000, + 0x02c1f77b00000000, 0xb6ca80dd00000000, 0x38f4271800000000, + 0x8cff50be00000000, 0x11e5b88f00000000, 0xa5eecf2900000000, + 0x4c9e87df00000000, 0xf895f07900000000, 0x658f184800000000, + 0xd1846fee00000000, 0x5fbac82b00000000, 0xebb1bf8d00000000, + 0x76ab57bc00000000, 0xc2a0201a00000000, 0xf2ea168800000000, + 0x46e1612e00000000, 0xdbfb891f00000000, 0x6ff0feb900000000, + 0xe1ce597c00000000, 0x55c52eda00000000, 0xc8dfc6eb00000000, + 0x7cd4b14d00000000, 0x95a4f9bb00000000, 0x21af8e1d00000000, + 0xbcb5662c00000000, 0x08be118a00000000, 0x8680b64f00000000, + 0x328bc1e900000000, 0xaf9129d800000000, 0x1b9a5e7e00000000, + 0x3c76c8ef00000000, 0x887dbf4900000000, 0x1567577800000000, + 0xa16c20de00000000, 0x2f52871b00000000, 0x9b59f0bd00000000, + 0x0643188c00000000, 0xb2486f2a00000000, 0x5b3827dc00000000, + 0xef33507a00000000, 0x7229b84b00000000, 0xc622cfed00000000, + 0x481c682800000000, 0xfc171f8e00000000, 0x610df7bf00000000, + 0xd506801900000000, 0x6ed3ab4700000000, 0xdad8dce100000000, + 0x47c234d000000000, 0xf3c9437600000000, 0x7df7e4b300000000, + 0xc9fc931500000000, 0x54e67b2400000000, 0xe0ed0c8200000000, + 0x099d447400000000, 0xbd9633d200000000, 0x208cdbe300000000, + 0x9487ac4500000000, 0x1ab90b8000000000, 0xaeb27c2600000000, + 0x33a8941700000000, 0x87a3e3b100000000, 0xa04f752000000000, + 0x1444028600000000, 0x895eeab700000000, 0x3d559d1100000000, + 0xb36b3ad400000000, 0x07604d7200000000, 0x9a7aa54300000000, + 0x2e71d2e500000000, 0xc7019a1300000000, 0x730aedb500000000, + 0xee10058400000000, 0x5a1b722200000000, 0xd425d5e700000000, + 0x602ea24100000000, 0xfd344a7000000000, 0x493f3dd600000000, + 0x8b9f1dcc00000000, 0x3f946a6a00000000, 0xa28e825b00000000, + 0x1685f5fd00000000, 0x98bb523800000000, 0x2cb0259e00000000, + 0xb1aacdaf00000000, 0x05a1ba0900000000, 0xecd1f2ff00000000, + 0x58da855900000000, 0xc5c06d6800000000, 0x71cb1ace00000000, + 0xfff5bd0b00000000, 0x4bfecaad00000000, 0xd6e4229c00000000, + 0x62ef553a00000000, 0x4503c3ab00000000, 0xf108b40d00000000, + 0x6c125c3c00000000, 0xd8192b9a00000000, 0x56278c5f00000000, + 0xe22cfbf900000000, 0x7f3613c800000000, 0xcb3d646e00000000, + 0x224d2c9800000000, 0x96465b3e00000000, 0x0b5cb30f00000000, + 0xbf57c4a900000000, 0x3169636c00000000, 0x856214ca00000000, + 0x1878fcfb00000000, 0xac738b5d00000000, 0x17a6a00300000000, + 0xa3add7a500000000, 0x3eb73f9400000000, 0x8abc483200000000, + 0x0482eff700000000, 0xb089985100000000, 0x2d93706000000000, + 0x999807c600000000, 0x70e84f3000000000, 0xc4e3389600000000, + 0x59f9d0a700000000, 0xedf2a70100000000, 0x63cc00c400000000, + 0xd7c7776200000000, 0x4add9f5300000000, 0xfed6e8f500000000, + 0xd93a7e6400000000, 0x6d3109c200000000, 0xf02be1f300000000, + 0x4420965500000000, 0xca1e319000000000, 0x7e15463600000000, + 0xe30fae0700000000, 0x5704d9a100000000, 0xbe74915700000000, + 0x0a7fe6f100000000, 0x97650ec000000000, 0x236e796600000000, + 0xad50dea300000000, 0x195ba90500000000, 0x8441413400000000, + 0x304a369200000000}, + {0x0000000000000000, 0x9e00aacc00000000, 0x7d07254200000000, + 0xe3078f8e00000000, 0xfa0e4a8400000000, 0x640ee04800000000, + 0x87096fc600000000, 0x1909c50a00000000, 0xb51be5d300000000, + 0x2b1b4f1f00000000, 0xc81cc09100000000, 0x561c6a5d00000000, + 0x4f15af5700000000, 0xd115059b00000000, 0x32128a1500000000, + 0xac1220d900000000, 0x2b31bb7c00000000, 0xb53111b000000000, + 0x56369e3e00000000, 0xc83634f200000000, 0xd13ff1f800000000, + 0x4f3f5b3400000000, 0xac38d4ba00000000, 0x32387e7600000000, + 0x9e2a5eaf00000000, 0x002af46300000000, 0xe32d7bed00000000, + 0x7d2dd12100000000, 0x6424142b00000000, 0xfa24bee700000000, + 0x1923316900000000, 0x87239ba500000000, 0x566276f900000000, + 0xc862dc3500000000, 0x2b6553bb00000000, 0xb565f97700000000, + 0xac6c3c7d00000000, 0x326c96b100000000, 0xd16b193f00000000, + 0x4f6bb3f300000000, 0xe379932a00000000, 0x7d7939e600000000, + 0x9e7eb66800000000, 0x007e1ca400000000, 0x1977d9ae00000000, + 0x8777736200000000, 0x6470fcec00000000, 0xfa70562000000000, + 0x7d53cd8500000000, 0xe353674900000000, 0x0054e8c700000000, + 0x9e54420b00000000, 0x875d870100000000, 0x195d2dcd00000000, + 0xfa5aa24300000000, 0x645a088f00000000, 0xc848285600000000, + 0x5648829a00000000, 0xb54f0d1400000000, 0x2b4fa7d800000000, + 0x324662d200000000, 0xac46c81e00000000, 0x4f41479000000000, + 0xd141ed5c00000000, 0xedc29d2900000000, 0x73c237e500000000, + 0x90c5b86b00000000, 0x0ec512a700000000, 0x17ccd7ad00000000, + 0x89cc7d6100000000, 0x6acbf2ef00000000, 0xf4cb582300000000, + 0x58d978fa00000000, 0xc6d9d23600000000, 0x25de5db800000000, + 0xbbdef77400000000, 0xa2d7327e00000000, 0x3cd798b200000000, + 0xdfd0173c00000000, 0x41d0bdf000000000, 0xc6f3265500000000, + 0x58f38c9900000000, 0xbbf4031700000000, 0x25f4a9db00000000, + 0x3cfd6cd100000000, 0xa2fdc61d00000000, 0x41fa499300000000, + 0xdffae35f00000000, 0x73e8c38600000000, 0xede8694a00000000, + 0x0eefe6c400000000, 0x90ef4c0800000000, 0x89e6890200000000, + 0x17e623ce00000000, 0xf4e1ac4000000000, 0x6ae1068c00000000, + 0xbba0ebd000000000, 0x25a0411c00000000, 0xc6a7ce9200000000, + 0x58a7645e00000000, 0x41aea15400000000, 0xdfae0b9800000000, + 0x3ca9841600000000, 0xa2a92eda00000000, 0x0ebb0e0300000000, + 0x90bba4cf00000000, 0x73bc2b4100000000, 0xedbc818d00000000, + 0xf4b5448700000000, 0x6ab5ee4b00000000, 0x89b261c500000000, + 0x17b2cb0900000000, 0x909150ac00000000, 0x0e91fa6000000000, + 0xed9675ee00000000, 0x7396df2200000000, 0x6a9f1a2800000000, + 0xf49fb0e400000000, 0x17983f6a00000000, 0x899895a600000000, + 0x258ab57f00000000, 0xbb8a1fb300000000, 0x588d903d00000000, + 0xc68d3af100000000, 0xdf84fffb00000000, 0x4184553700000000, + 0xa283dab900000000, 0x3c83707500000000, 0xda853b5300000000, + 0x4485919f00000000, 0xa7821e1100000000, 0x3982b4dd00000000, + 0x208b71d700000000, 0xbe8bdb1b00000000, 0x5d8c549500000000, + 0xc38cfe5900000000, 0x6f9ede8000000000, 0xf19e744c00000000, + 0x1299fbc200000000, 0x8c99510e00000000, 0x9590940400000000, + 0x0b903ec800000000, 0xe897b14600000000, 0x76971b8a00000000, + 0xf1b4802f00000000, 0x6fb42ae300000000, 0x8cb3a56d00000000, + 0x12b30fa100000000, 0x0bbacaab00000000, 0x95ba606700000000, + 0x76bdefe900000000, 0xe8bd452500000000, 0x44af65fc00000000, + 0xdaafcf3000000000, 0x39a840be00000000, 0xa7a8ea7200000000, + 0xbea12f7800000000, 0x20a185b400000000, 0xc3a60a3a00000000, + 0x5da6a0f600000000, 0x8ce74daa00000000, 0x12e7e76600000000, + 0xf1e068e800000000, 0x6fe0c22400000000, 0x76e9072e00000000, + 0xe8e9ade200000000, 0x0bee226c00000000, 0x95ee88a000000000, + 0x39fca87900000000, 0xa7fc02b500000000, 0x44fb8d3b00000000, + 0xdafb27f700000000, 0xc3f2e2fd00000000, 0x5df2483100000000, + 0xbef5c7bf00000000, 0x20f56d7300000000, 0xa7d6f6d600000000, + 0x39d65c1a00000000, 0xdad1d39400000000, 0x44d1795800000000, + 0x5dd8bc5200000000, 0xc3d8169e00000000, 0x20df991000000000, + 0xbedf33dc00000000, 0x12cd130500000000, 0x8ccdb9c900000000, + 0x6fca364700000000, 0xf1ca9c8b00000000, 0xe8c3598100000000, + 0x76c3f34d00000000, 0x95c47cc300000000, 0x0bc4d60f00000000, + 0x3747a67a00000000, 0xa9470cb600000000, 0x4a40833800000000, + 0xd44029f400000000, 0xcd49ecfe00000000, 0x5349463200000000, + 0xb04ec9bc00000000, 0x2e4e637000000000, 0x825c43a900000000, + 0x1c5ce96500000000, 0xff5b66eb00000000, 0x615bcc2700000000, + 0x7852092d00000000, 0xe652a3e100000000, 0x05552c6f00000000, + 0x9b5586a300000000, 0x1c761d0600000000, 0x8276b7ca00000000, + 0x6171384400000000, 0xff71928800000000, 0xe678578200000000, + 0x7878fd4e00000000, 0x9b7f72c000000000, 0x057fd80c00000000, + 0xa96df8d500000000, 0x376d521900000000, 0xd46add9700000000, + 0x4a6a775b00000000, 0x5363b25100000000, 0xcd63189d00000000, + 0x2e64971300000000, 0xb0643ddf00000000, 0x6125d08300000000, + 0xff257a4f00000000, 0x1c22f5c100000000, 0x82225f0d00000000, + 0x9b2b9a0700000000, 0x052b30cb00000000, 0xe62cbf4500000000, + 0x782c158900000000, 0xd43e355000000000, 0x4a3e9f9c00000000, + 0xa939101200000000, 0x3739bade00000000, 0x2e307fd400000000, + 0xb030d51800000000, 0x53375a9600000000, 0xcd37f05a00000000, + 0x4a146bff00000000, 0xd414c13300000000, 0x37134ebd00000000, + 0xa913e47100000000, 0xb01a217b00000000, 0x2e1a8bb700000000, + 0xcd1d043900000000, 0x531daef500000000, 0xff0f8e2c00000000, + 0x610f24e000000000, 0x8208ab6e00000000, 0x1c0801a200000000, + 0x0501c4a800000000, 0x9b016e6400000000, 0x7806e1ea00000000, + 0xe6064b2600000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xb8bc6765, 0xaa09c88b, 0x12b5afee, 0x8f629757, + 0x37def032, 0x256b5fdc, 0x9dd738b9, 0xc5b428ef, 0x7d084f8a, + 0x6fbde064, 0xd7018701, 0x4ad6bfb8, 0xf26ad8dd, 0xe0df7733, + 0x58631056, 0x5019579f, 0xe8a530fa, 0xfa109f14, 0x42acf871, + 0xdf7bc0c8, 0x67c7a7ad, 0x75720843, 0xcdce6f26, 0x95ad7f70, + 0x2d111815, 0x3fa4b7fb, 0x8718d09e, 0x1acfe827, 0xa2738f42, + 0xb0c620ac, 0x087a47c9, 0xa032af3e, 0x188ec85b, 0x0a3b67b5, + 0xb28700d0, 0x2f503869, 0x97ec5f0c, 0x8559f0e2, 0x3de59787, + 0x658687d1, 0xdd3ae0b4, 0xcf8f4f5a, 0x7733283f, 0xeae41086, + 0x525877e3, 0x40edd80d, 0xf851bf68, 0xf02bf8a1, 0x48979fc4, + 0x5a22302a, 0xe29e574f, 0x7f496ff6, 0xc7f50893, 0xd540a77d, + 0x6dfcc018, 0x359fd04e, 0x8d23b72b, 0x9f9618c5, 0x272a7fa0, + 0xbafd4719, 0x0241207c, 0x10f48f92, 0xa848e8f7, 0x9b14583d, + 0x23a83f58, 0x311d90b6, 0x89a1f7d3, 0x1476cf6a, 0xaccaa80f, + 0xbe7f07e1, 0x06c36084, 0x5ea070d2, 0xe61c17b7, 0xf4a9b859, + 0x4c15df3c, 0xd1c2e785, 0x697e80e0, 0x7bcb2f0e, 0xc377486b, + 0xcb0d0fa2, 0x73b168c7, 0x6104c729, 0xd9b8a04c, 0x446f98f5, + 0xfcd3ff90, 0xee66507e, 0x56da371b, 0x0eb9274d, 0xb6054028, + 0xa4b0efc6, 0x1c0c88a3, 0x81dbb01a, 0x3967d77f, 0x2bd27891, + 0x936e1ff4, 0x3b26f703, 0x839a9066, 0x912f3f88, 0x299358ed, + 0xb4446054, 0x0cf80731, 0x1e4da8df, 0xa6f1cfba, 0xfe92dfec, + 0x462eb889, 0x549b1767, 0xec277002, 0x71f048bb, 0xc94c2fde, + 0xdbf98030, 0x6345e755, 0x6b3fa09c, 0xd383c7f9, 0xc1366817, + 0x798a0f72, 0xe45d37cb, 0x5ce150ae, 0x4e54ff40, 0xf6e89825, + 0xae8b8873, 0x1637ef16, 0x048240f8, 0xbc3e279d, 0x21e91f24, + 0x99557841, 0x8be0d7af, 0x335cb0ca, 0xed59b63b, 0x55e5d15e, + 0x47507eb0, 0xffec19d5, 0x623b216c, 0xda874609, 0xc832e9e7, + 0x708e8e82, 0x28ed9ed4, 0x9051f9b1, 0x82e4565f, 0x3a58313a, + 0xa78f0983, 0x1f336ee6, 0x0d86c108, 0xb53aa66d, 0xbd40e1a4, + 0x05fc86c1, 0x1749292f, 0xaff54e4a, 0x322276f3, 0x8a9e1196, + 0x982bbe78, 0x2097d91d, 0x78f4c94b, 0xc048ae2e, 0xd2fd01c0, + 0x6a4166a5, 0xf7965e1c, 0x4f2a3979, 0x5d9f9697, 0xe523f1f2, + 0x4d6b1905, 0xf5d77e60, 0xe762d18e, 0x5fdeb6eb, 0xc2098e52, + 0x7ab5e937, 0x680046d9, 0xd0bc21bc, 0x88df31ea, 0x3063568f, + 0x22d6f961, 0x9a6a9e04, 0x07bda6bd, 0xbf01c1d8, 0xadb46e36, + 0x15080953, 0x1d724e9a, 0xa5ce29ff, 0xb77b8611, 0x0fc7e174, + 0x9210d9cd, 0x2aacbea8, 0x38191146, 0x80a57623, 0xd8c66675, + 0x607a0110, 0x72cfaefe, 0xca73c99b, 0x57a4f122, 0xef189647, + 0xfdad39a9, 0x45115ecc, 0x764dee06, 0xcef18963, 0xdc44268d, + 0x64f841e8, 0xf92f7951, 0x41931e34, 0x5326b1da, 0xeb9ad6bf, + 0xb3f9c6e9, 0x0b45a18c, 0x19f00e62, 0xa14c6907, 0x3c9b51be, + 0x842736db, 0x96929935, 0x2e2efe50, 0x2654b999, 0x9ee8defc, + 0x8c5d7112, 0x34e11677, 0xa9362ece, 0x118a49ab, 0x033fe645, + 0xbb838120, 0xe3e09176, 0x5b5cf613, 0x49e959fd, 0xf1553e98, + 0x6c820621, 0xd43e6144, 0xc68bceaa, 0x7e37a9cf, 0xd67f4138, + 0x6ec3265d, 0x7c7689b3, 0xc4caeed6, 0x591dd66f, 0xe1a1b10a, + 0xf3141ee4, 0x4ba87981, 0x13cb69d7, 0xab770eb2, 0xb9c2a15c, + 0x017ec639, 0x9ca9fe80, 0x241599e5, 0x36a0360b, 0x8e1c516e, + 0x866616a7, 0x3eda71c2, 0x2c6fde2c, 0x94d3b949, 0x090481f0, + 0xb1b8e695, 0xa30d497b, 0x1bb12e1e, 0x43d23e48, 0xfb6e592d, + 0xe9dbf6c3, 0x516791a6, 0xccb0a91f, 0x740cce7a, 0x66b96194, + 0xde0506f1}, + {0x00000000, 0x01c26a37, 0x0384d46e, 0x0246be59, 0x0709a8dc, + 0x06cbc2eb, 0x048d7cb2, 0x054f1685, 0x0e1351b8, 0x0fd13b8f, + 0x0d9785d6, 0x0c55efe1, 0x091af964, 0x08d89353, 0x0a9e2d0a, + 0x0b5c473d, 0x1c26a370, 0x1de4c947, 0x1fa2771e, 0x1e601d29, + 0x1b2f0bac, 0x1aed619b, 0x18abdfc2, 0x1969b5f5, 0x1235f2c8, + 0x13f798ff, 0x11b126a6, 0x10734c91, 0x153c5a14, 0x14fe3023, + 0x16b88e7a, 0x177ae44d, 0x384d46e0, 0x398f2cd7, 0x3bc9928e, + 0x3a0bf8b9, 0x3f44ee3c, 0x3e86840b, 0x3cc03a52, 0x3d025065, + 0x365e1758, 0x379c7d6f, 0x35dac336, 0x3418a901, 0x3157bf84, + 0x3095d5b3, 0x32d36bea, 0x331101dd, 0x246be590, 0x25a98fa7, + 0x27ef31fe, 0x262d5bc9, 0x23624d4c, 0x22a0277b, 0x20e69922, + 0x2124f315, 0x2a78b428, 0x2bbade1f, 0x29fc6046, 0x283e0a71, + 0x2d711cf4, 0x2cb376c3, 0x2ef5c89a, 0x2f37a2ad, 0x709a8dc0, + 0x7158e7f7, 0x731e59ae, 0x72dc3399, 0x7793251c, 0x76514f2b, + 0x7417f172, 0x75d59b45, 0x7e89dc78, 0x7f4bb64f, 0x7d0d0816, + 0x7ccf6221, 0x798074a4, 0x78421e93, 0x7a04a0ca, 0x7bc6cafd, + 0x6cbc2eb0, 0x6d7e4487, 0x6f38fade, 0x6efa90e9, 0x6bb5866c, + 0x6a77ec5b, 0x68315202, 0x69f33835, 0x62af7f08, 0x636d153f, + 0x612bab66, 0x60e9c151, 0x65a6d7d4, 0x6464bde3, 0x662203ba, + 0x67e0698d, 0x48d7cb20, 0x4915a117, 0x4b531f4e, 0x4a917579, + 0x4fde63fc, 0x4e1c09cb, 0x4c5ab792, 0x4d98dda5, 0x46c49a98, + 0x4706f0af, 0x45404ef6, 0x448224c1, 0x41cd3244, 0x400f5873, + 0x4249e62a, 0x438b8c1d, 0x54f16850, 0x55330267, 0x5775bc3e, + 0x56b7d609, 0x53f8c08c, 0x523aaabb, 0x507c14e2, 0x51be7ed5, + 0x5ae239e8, 0x5b2053df, 0x5966ed86, 0x58a487b1, 0x5deb9134, + 0x5c29fb03, 0x5e6f455a, 0x5fad2f6d, 0xe1351b80, 0xe0f771b7, + 0xe2b1cfee, 0xe373a5d9, 0xe63cb35c, 0xe7fed96b, 0xe5b86732, + 0xe47a0d05, 0xef264a38, 0xeee4200f, 0xeca29e56, 0xed60f461, + 0xe82fe2e4, 0xe9ed88d3, 0xebab368a, 0xea695cbd, 0xfd13b8f0, + 0xfcd1d2c7, 0xfe976c9e, 0xff5506a9, 0xfa1a102c, 0xfbd87a1b, + 0xf99ec442, 0xf85cae75, 0xf300e948, 0xf2c2837f, 0xf0843d26, + 0xf1465711, 0xf4094194, 0xf5cb2ba3, 0xf78d95fa, 0xf64fffcd, + 0xd9785d60, 0xd8ba3757, 0xdafc890e, 0xdb3ee339, 0xde71f5bc, + 0xdfb39f8b, 0xddf521d2, 0xdc374be5, 0xd76b0cd8, 0xd6a966ef, + 0xd4efd8b6, 0xd52db281, 0xd062a404, 0xd1a0ce33, 0xd3e6706a, + 0xd2241a5d, 0xc55efe10, 0xc49c9427, 0xc6da2a7e, 0xc7184049, + 0xc25756cc, 0xc3953cfb, 0xc1d382a2, 0xc011e895, 0xcb4dafa8, + 0xca8fc59f, 0xc8c97bc6, 0xc90b11f1, 0xcc440774, 0xcd866d43, + 0xcfc0d31a, 0xce02b92d, 0x91af9640, 0x906dfc77, 0x922b422e, + 0x93e92819, 0x96a63e9c, 0x976454ab, 0x9522eaf2, 0x94e080c5, + 0x9fbcc7f8, 0x9e7eadcf, 0x9c381396, 0x9dfa79a1, 0x98b56f24, + 0x99770513, 0x9b31bb4a, 0x9af3d17d, 0x8d893530, 0x8c4b5f07, + 0x8e0de15e, 0x8fcf8b69, 0x8a809dec, 0x8b42f7db, 0x89044982, + 0x88c623b5, 0x839a6488, 0x82580ebf, 0x801eb0e6, 0x81dcdad1, + 0x8493cc54, 0x8551a663, 0x8717183a, 0x86d5720d, 0xa9e2d0a0, + 0xa820ba97, 0xaa6604ce, 0xaba46ef9, 0xaeeb787c, 0xaf29124b, + 0xad6fac12, 0xacadc625, 0xa7f18118, 0xa633eb2f, 0xa4755576, + 0xa5b73f41, 0xa0f829c4, 0xa13a43f3, 0xa37cfdaa, 0xa2be979d, + 0xb5c473d0, 0xb40619e7, 0xb640a7be, 0xb782cd89, 0xb2cddb0c, + 0xb30fb13b, 0xb1490f62, 0xb08b6555, 0xbbd72268, 0xba15485f, + 0xb853f606, 0xb9919c31, 0xbcde8ab4, 0xbd1ce083, 0xbf5a5eda, + 0xbe9834ed}, + {0x00000000, 0x191b3141, 0x32366282, 0x2b2d53c3, 0x646cc504, + 0x7d77f445, 0x565aa786, 0x4f4196c7, 0xc8d98a08, 0xd1c2bb49, + 0xfaefe88a, 0xe3f4d9cb, 0xacb54f0c, 0xb5ae7e4d, 0x9e832d8e, + 0x87981ccf, 0x4ac21251, 0x53d92310, 0x78f470d3, 0x61ef4192, + 0x2eaed755, 0x37b5e614, 0x1c98b5d7, 0x05838496, 0x821b9859, + 0x9b00a918, 0xb02dfadb, 0xa936cb9a, 0xe6775d5d, 0xff6c6c1c, + 0xd4413fdf, 0xcd5a0e9e, 0x958424a2, 0x8c9f15e3, 0xa7b24620, + 0xbea97761, 0xf1e8e1a6, 0xe8f3d0e7, 0xc3de8324, 0xdac5b265, + 0x5d5daeaa, 0x44469feb, 0x6f6bcc28, 0x7670fd69, 0x39316bae, + 0x202a5aef, 0x0b07092c, 0x121c386d, 0xdf4636f3, 0xc65d07b2, + 0xed705471, 0xf46b6530, 0xbb2af3f7, 0xa231c2b6, 0x891c9175, + 0x9007a034, 0x179fbcfb, 0x0e848dba, 0x25a9de79, 0x3cb2ef38, + 0x73f379ff, 0x6ae848be, 0x41c51b7d, 0x58de2a3c, 0xf0794f05, + 0xe9627e44, 0xc24f2d87, 0xdb541cc6, 0x94158a01, 0x8d0ebb40, + 0xa623e883, 0xbf38d9c2, 0x38a0c50d, 0x21bbf44c, 0x0a96a78f, + 0x138d96ce, 0x5ccc0009, 0x45d73148, 0x6efa628b, 0x77e153ca, + 0xbabb5d54, 0xa3a06c15, 0x888d3fd6, 0x91960e97, 0xded79850, + 0xc7cca911, 0xece1fad2, 0xf5facb93, 0x7262d75c, 0x6b79e61d, + 0x4054b5de, 0x594f849f, 0x160e1258, 0x0f152319, 0x243870da, + 0x3d23419b, 0x65fd6ba7, 0x7ce65ae6, 0x57cb0925, 0x4ed03864, + 0x0191aea3, 0x188a9fe2, 0x33a7cc21, 0x2abcfd60, 0xad24e1af, + 0xb43fd0ee, 0x9f12832d, 0x8609b26c, 0xc94824ab, 0xd05315ea, + 0xfb7e4629, 0xe2657768, 0x2f3f79f6, 0x362448b7, 0x1d091b74, + 0x04122a35, 0x4b53bcf2, 0x52488db3, 0x7965de70, 0x607eef31, + 0xe7e6f3fe, 0xfefdc2bf, 0xd5d0917c, 0xcccba03d, 0x838a36fa, + 0x9a9107bb, 0xb1bc5478, 0xa8a76539, 0x3b83984b, 0x2298a90a, + 0x09b5fac9, 0x10aecb88, 0x5fef5d4f, 0x46f46c0e, 0x6dd93fcd, + 0x74c20e8c, 0xf35a1243, 0xea412302, 0xc16c70c1, 0xd8774180, + 0x9736d747, 0x8e2de606, 0xa500b5c5, 0xbc1b8484, 0x71418a1a, + 0x685abb5b, 0x4377e898, 0x5a6cd9d9, 0x152d4f1e, 0x0c367e5f, + 0x271b2d9c, 0x3e001cdd, 0xb9980012, 0xa0833153, 0x8bae6290, + 0x92b553d1, 0xddf4c516, 0xc4eff457, 0xefc2a794, 0xf6d996d5, + 0xae07bce9, 0xb71c8da8, 0x9c31de6b, 0x852aef2a, 0xca6b79ed, + 0xd37048ac, 0xf85d1b6f, 0xe1462a2e, 0x66de36e1, 0x7fc507a0, + 0x54e85463, 0x4df36522, 0x02b2f3e5, 0x1ba9c2a4, 0x30849167, + 0x299fa026, 0xe4c5aeb8, 0xfdde9ff9, 0xd6f3cc3a, 0xcfe8fd7b, + 0x80a96bbc, 0x99b25afd, 0xb29f093e, 0xab84387f, 0x2c1c24b0, + 0x350715f1, 0x1e2a4632, 0x07317773, 0x4870e1b4, 0x516bd0f5, + 0x7a468336, 0x635db277, 0xcbfad74e, 0xd2e1e60f, 0xf9ccb5cc, + 0xe0d7848d, 0xaf96124a, 0xb68d230b, 0x9da070c8, 0x84bb4189, + 0x03235d46, 0x1a386c07, 0x31153fc4, 0x280e0e85, 0x674f9842, + 0x7e54a903, 0x5579fac0, 0x4c62cb81, 0x8138c51f, 0x9823f45e, + 0xb30ea79d, 0xaa1596dc, 0xe554001b, 0xfc4f315a, 0xd7626299, + 0xce7953d8, 0x49e14f17, 0x50fa7e56, 0x7bd72d95, 0x62cc1cd4, + 0x2d8d8a13, 0x3496bb52, 0x1fbbe891, 0x06a0d9d0, 0x5e7ef3ec, + 0x4765c2ad, 0x6c48916e, 0x7553a02f, 0x3a1236e8, 0x230907a9, + 0x0824546a, 0x113f652b, 0x96a779e4, 0x8fbc48a5, 0xa4911b66, + 0xbd8a2a27, 0xf2cbbce0, 0xebd08da1, 0xc0fdde62, 0xd9e6ef23, + 0x14bce1bd, 0x0da7d0fc, 0x268a833f, 0x3f91b27e, 0x70d024b9, + 0x69cb15f8, 0x42e6463b, 0x5bfd777a, 0xdc656bb5, 0xc57e5af4, + 0xee530937, 0xf7483876, 0xb809aeb1, 0xa1129ff0, 0x8a3fcc33, + 0x9324fd72}, + {0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x96300777, 0x2c610eee, 0xba510999, 0x19c46d07, + 0x8ff46a70, 0x35a563e9, 0xa395649e, 0x3288db0e, 0xa4b8dc79, + 0x1ee9d5e0, 0x88d9d297, 0x2b4cb609, 0xbd7cb17e, 0x072db8e7, + 0x911dbf90, 0x6410b71d, 0xf220b06a, 0x4871b9f3, 0xde41be84, + 0x7dd4da1a, 0xebe4dd6d, 0x51b5d4f4, 0xc785d383, 0x56986c13, + 0xc0a86b64, 0x7af962fd, 0xecc9658a, 0x4f5c0114, 0xd96c0663, + 0x633d0ffa, 0xf50d088d, 0xc8206e3b, 0x5e10694c, 0xe44160d5, + 0x727167a2, 0xd1e4033c, 0x47d4044b, 0xfd850dd2, 0x6bb50aa5, + 0xfaa8b535, 0x6c98b242, 0xd6c9bbdb, 0x40f9bcac, 0xe36cd832, + 0x755cdf45, 0xcf0dd6dc, 0x593dd1ab, 0xac30d926, 0x3a00de51, + 0x8051d7c8, 0x1661d0bf, 0xb5f4b421, 0x23c4b356, 0x9995bacf, + 0x0fa5bdb8, 0x9eb80228, 0x0888055f, 0xb2d90cc6, 0x24e90bb1, + 0x877c6f2f, 0x114c6858, 0xab1d61c1, 0x3d2d66b6, 0x9041dc76, + 0x0671db01, 0xbc20d298, 0x2a10d5ef, 0x8985b171, 0x1fb5b606, + 0xa5e4bf9f, 0x33d4b8e8, 0xa2c90778, 0x34f9000f, 0x8ea80996, + 0x18980ee1, 0xbb0d6a7f, 0x2d3d6d08, 0x976c6491, 0x015c63e6, + 0xf4516b6b, 0x62616c1c, 0xd8306585, 0x4e0062f2, 0xed95066c, + 0x7ba5011b, 0xc1f40882, 0x57c40ff5, 0xc6d9b065, 0x50e9b712, + 0xeab8be8b, 0x7c88b9fc, 0xdf1ddd62, 0x492dda15, 0xf37cd38c, + 0x654cd4fb, 0x5861b24d, 0xce51b53a, 0x7400bca3, 0xe230bbd4, + 0x41a5df4a, 0xd795d83d, 0x6dc4d1a4, 0xfbf4d6d3, 0x6ae96943, + 0xfcd96e34, 0x468867ad, 0xd0b860da, 0x732d0444, 0xe51d0333, + 0x5f4c0aaa, 0xc97c0ddd, 0x3c710550, 0xaa410227, 0x10100bbe, + 0x86200cc9, 0x25b56857, 0xb3856f20, 0x09d466b9, 0x9fe461ce, + 0x0ef9de5e, 0x98c9d929, 0x2298d0b0, 0xb4a8d7c7, 0x173db359, + 0x810db42e, 0x3b5cbdb7, 0xad6cbac0, 0x2083b8ed, 0xb6b3bf9a, + 0x0ce2b603, 0x9ad2b174, 0x3947d5ea, 0xaf77d29d, 0x1526db04, + 0x8316dc73, 0x120b63e3, 0x843b6494, 0x3e6a6d0d, 0xa85a6a7a, + 0x0bcf0ee4, 0x9dff0993, 0x27ae000a, 0xb19e077d, 0x44930ff0, + 0xd2a30887, 0x68f2011e, 0xfec20669, 0x5d5762f7, 0xcb676580, + 0x71366c19, 0xe7066b6e, 0x761bd4fe, 0xe02bd389, 0x5a7ada10, + 0xcc4add67, 0x6fdfb9f9, 0xf9efbe8e, 0x43beb717, 0xd58eb060, + 0xe8a3d6d6, 0x7e93d1a1, 0xc4c2d838, 0x52f2df4f, 0xf167bbd1, + 0x6757bca6, 0xdd06b53f, 0x4b36b248, 0xda2b0dd8, 0x4c1b0aaf, + 0xf64a0336, 0x607a0441, 0xc3ef60df, 0x55df67a8, 0xef8e6e31, + 0x79be6946, 0x8cb361cb, 0x1a8366bc, 0xa0d26f25, 0x36e26852, + 0x95770ccc, 0x03470bbb, 0xb9160222, 0x2f260555, 0xbe3bbac5, + 0x280bbdb2, 0x925ab42b, 0x046ab35c, 0xa7ffd7c2, 0x31cfd0b5, + 0x8b9ed92c, 0x1daede5b, 0xb0c2649b, 0x26f263ec, 0x9ca36a75, + 0x0a936d02, 0xa906099c, 0x3f360eeb, 0x85670772, 0x13570005, + 0x824abf95, 0x147ab8e2, 0xae2bb17b, 0x381bb60c, 0x9b8ed292, + 0x0dbed5e5, 0xb7efdc7c, 0x21dfdb0b, 0xd4d2d386, 0x42e2d4f1, + 0xf8b3dd68, 0x6e83da1f, 0xcd16be81, 0x5b26b9f6, 0xe177b06f, + 0x7747b718, 0xe65a0888, 0x706a0fff, 0xca3b0666, 0x5c0b0111, + 0xff9e658f, 0x69ae62f8, 0xd3ff6b61, 0x45cf6c16, 0x78e20aa0, + 0xeed20dd7, 0x5483044e, 0xc2b30339, 0x612667a7, 0xf71660d0, + 0x4d476949, 0xdb776e3e, 0x4a6ad1ae, 0xdc5ad6d9, 0x660bdf40, + 0xf03bd837, 0x53aebca9, 0xc59ebbde, 0x7fcfb247, 0xe9ffb530, + 0x1cf2bdbd, 0x8ac2baca, 0x3093b353, 0xa6a3b424, 0x0536d0ba, + 0x9306d7cd, 0x2957de54, 0xbf67d923, 0x2e7a66b3, 0xb84a61c4, + 0x021b685d, 0x942b6f2a, 0x37be0bb4, 0xa18e0cc3, 0x1bdf055a, + 0x8def022d}, + {0x00000000, 0x41311b19, 0x82623632, 0xc3532d2b, 0x04c56c64, + 0x45f4777d, 0x86a75a56, 0xc796414f, 0x088ad9c8, 0x49bbc2d1, + 0x8ae8effa, 0xcbd9f4e3, 0x0c4fb5ac, 0x4d7eaeb5, 0x8e2d839e, + 0xcf1c9887, 0x5112c24a, 0x1023d953, 0xd370f478, 0x9241ef61, + 0x55d7ae2e, 0x14e6b537, 0xd7b5981c, 0x96848305, 0x59981b82, + 0x18a9009b, 0xdbfa2db0, 0x9acb36a9, 0x5d5d77e6, 0x1c6c6cff, + 0xdf3f41d4, 0x9e0e5acd, 0xa2248495, 0xe3159f8c, 0x2046b2a7, + 0x6177a9be, 0xa6e1e8f1, 0xe7d0f3e8, 0x2483dec3, 0x65b2c5da, + 0xaaae5d5d, 0xeb9f4644, 0x28cc6b6f, 0x69fd7076, 0xae6b3139, + 0xef5a2a20, 0x2c09070b, 0x6d381c12, 0xf33646df, 0xb2075dc6, + 0x715470ed, 0x30656bf4, 0xf7f32abb, 0xb6c231a2, 0x75911c89, + 0x34a00790, 0xfbbc9f17, 0xba8d840e, 0x79dea925, 0x38efb23c, + 0xff79f373, 0xbe48e86a, 0x7d1bc541, 0x3c2ade58, 0x054f79f0, + 0x447e62e9, 0x872d4fc2, 0xc61c54db, 0x018a1594, 0x40bb0e8d, + 0x83e823a6, 0xc2d938bf, 0x0dc5a038, 0x4cf4bb21, 0x8fa7960a, + 0xce968d13, 0x0900cc5c, 0x4831d745, 0x8b62fa6e, 0xca53e177, + 0x545dbbba, 0x156ca0a3, 0xd63f8d88, 0x970e9691, 0x5098d7de, + 0x11a9ccc7, 0xd2fae1ec, 0x93cbfaf5, 0x5cd76272, 0x1de6796b, + 0xdeb55440, 0x9f844f59, 0x58120e16, 0x1923150f, 0xda703824, + 0x9b41233d, 0xa76bfd65, 0xe65ae67c, 0x2509cb57, 0x6438d04e, + 0xa3ae9101, 0xe29f8a18, 0x21cca733, 0x60fdbc2a, 0xafe124ad, + 0xeed03fb4, 0x2d83129f, 0x6cb20986, 0xab2448c9, 0xea1553d0, + 0x29467efb, 0x687765e2, 0xf6793f2f, 0xb7482436, 0x741b091d, + 0x352a1204, 0xf2bc534b, 0xb38d4852, 0x70de6579, 0x31ef7e60, + 0xfef3e6e7, 0xbfc2fdfe, 0x7c91d0d5, 0x3da0cbcc, 0xfa368a83, + 0xbb07919a, 0x7854bcb1, 0x3965a7a8, 0x4b98833b, 0x0aa99822, + 0xc9fab509, 0x88cbae10, 0x4f5def5f, 0x0e6cf446, 0xcd3fd96d, + 0x8c0ec274, 0x43125af3, 0x022341ea, 0xc1706cc1, 0x804177d8, + 0x47d73697, 0x06e62d8e, 0xc5b500a5, 0x84841bbc, 0x1a8a4171, + 0x5bbb5a68, 0x98e87743, 0xd9d96c5a, 0x1e4f2d15, 0x5f7e360c, + 0x9c2d1b27, 0xdd1c003e, 0x120098b9, 0x533183a0, 0x9062ae8b, + 0xd153b592, 0x16c5f4dd, 0x57f4efc4, 0x94a7c2ef, 0xd596d9f6, + 0xe9bc07ae, 0xa88d1cb7, 0x6bde319c, 0x2aef2a85, 0xed796bca, + 0xac4870d3, 0x6f1b5df8, 0x2e2a46e1, 0xe136de66, 0xa007c57f, + 0x6354e854, 0x2265f34d, 0xe5f3b202, 0xa4c2a91b, 0x67918430, + 0x26a09f29, 0xb8aec5e4, 0xf99fdefd, 0x3accf3d6, 0x7bfde8cf, + 0xbc6ba980, 0xfd5ab299, 0x3e099fb2, 0x7f3884ab, 0xb0241c2c, + 0xf1150735, 0x32462a1e, 0x73773107, 0xb4e17048, 0xf5d06b51, + 0x3683467a, 0x77b25d63, 0x4ed7facb, 0x0fe6e1d2, 0xccb5ccf9, + 0x8d84d7e0, 0x4a1296af, 0x0b238db6, 0xc870a09d, 0x8941bb84, + 0x465d2303, 0x076c381a, 0xc43f1531, 0x850e0e28, 0x42984f67, + 0x03a9547e, 0xc0fa7955, 0x81cb624c, 0x1fc53881, 0x5ef42398, + 0x9da70eb3, 0xdc9615aa, 0x1b0054e5, 0x5a314ffc, 0x996262d7, + 0xd85379ce, 0x174fe149, 0x567efa50, 0x952dd77b, 0xd41ccc62, + 0x138a8d2d, 0x52bb9634, 0x91e8bb1f, 0xd0d9a006, 0xecf37e5e, + 0xadc26547, 0x6e91486c, 0x2fa05375, 0xe836123a, 0xa9070923, + 0x6a542408, 0x2b653f11, 0xe479a796, 0xa548bc8f, 0x661b91a4, + 0x272a8abd, 0xe0bccbf2, 0xa18dd0eb, 0x62defdc0, 0x23efe6d9, + 0xbde1bc14, 0xfcd0a70d, 0x3f838a26, 0x7eb2913f, 0xb924d070, + 0xf815cb69, 0x3b46e642, 0x7a77fd5b, 0xb56b65dc, 0xf45a7ec5, + 0x370953ee, 0x763848f7, 0xb1ae09b8, 0xf09f12a1, 0x33cc3f8a, + 0x72fd2493}, + {0x00000000, 0x376ac201, 0x6ed48403, 0x59be4602, 0xdca80907, + 0xebc2cb06, 0xb27c8d04, 0x85164f05, 0xb851130e, 0x8f3bd10f, + 0xd685970d, 0xe1ef550c, 0x64f91a09, 0x5393d808, 0x0a2d9e0a, + 0x3d475c0b, 0x70a3261c, 0x47c9e41d, 0x1e77a21f, 0x291d601e, + 0xac0b2f1b, 0x9b61ed1a, 0xc2dfab18, 0xf5b56919, 0xc8f23512, + 0xff98f713, 0xa626b111, 0x914c7310, 0x145a3c15, 0x2330fe14, + 0x7a8eb816, 0x4de47a17, 0xe0464d38, 0xd72c8f39, 0x8e92c93b, + 0xb9f80b3a, 0x3cee443f, 0x0b84863e, 0x523ac03c, 0x6550023d, + 0x58175e36, 0x6f7d9c37, 0x36c3da35, 0x01a91834, 0x84bf5731, + 0xb3d59530, 0xea6bd332, 0xdd011133, 0x90e56b24, 0xa78fa925, + 0xfe31ef27, 0xc95b2d26, 0x4c4d6223, 0x7b27a022, 0x2299e620, + 0x15f32421, 0x28b4782a, 0x1fdeba2b, 0x4660fc29, 0x710a3e28, + 0xf41c712d, 0xc376b32c, 0x9ac8f52e, 0xada2372f, 0xc08d9a70, + 0xf7e75871, 0xae591e73, 0x9933dc72, 0x1c259377, 0x2b4f5176, + 0x72f11774, 0x459bd575, 0x78dc897e, 0x4fb64b7f, 0x16080d7d, + 0x2162cf7c, 0xa4748079, 0x931e4278, 0xcaa0047a, 0xfdcac67b, + 0xb02ebc6c, 0x87447e6d, 0xdefa386f, 0xe990fa6e, 0x6c86b56b, + 0x5bec776a, 0x02523168, 0x3538f369, 0x087faf62, 0x3f156d63, + 0x66ab2b61, 0x51c1e960, 0xd4d7a665, 0xe3bd6464, 0xba032266, + 0x8d69e067, 0x20cbd748, 0x17a11549, 0x4e1f534b, 0x7975914a, + 0xfc63de4f, 0xcb091c4e, 0x92b75a4c, 0xa5dd984d, 0x989ac446, + 0xaff00647, 0xf64e4045, 0xc1248244, 0x4432cd41, 0x73580f40, + 0x2ae64942, 0x1d8c8b43, 0x5068f154, 0x67023355, 0x3ebc7557, + 0x09d6b756, 0x8cc0f853, 0xbbaa3a52, 0xe2147c50, 0xd57ebe51, + 0xe839e25a, 0xdf53205b, 0x86ed6659, 0xb187a458, 0x3491eb5d, + 0x03fb295c, 0x5a456f5e, 0x6d2fad5f, 0x801b35e1, 0xb771f7e0, + 0xeecfb1e2, 0xd9a573e3, 0x5cb33ce6, 0x6bd9fee7, 0x3267b8e5, + 0x050d7ae4, 0x384a26ef, 0x0f20e4ee, 0x569ea2ec, 0x61f460ed, + 0xe4e22fe8, 0xd388ede9, 0x8a36abeb, 0xbd5c69ea, 0xf0b813fd, + 0xc7d2d1fc, 0x9e6c97fe, 0xa90655ff, 0x2c101afa, 0x1b7ad8fb, + 0x42c49ef9, 0x75ae5cf8, 0x48e900f3, 0x7f83c2f2, 0x263d84f0, + 0x115746f1, 0x944109f4, 0xa32bcbf5, 0xfa958df7, 0xcdff4ff6, + 0x605d78d9, 0x5737bad8, 0x0e89fcda, 0x39e33edb, 0xbcf571de, + 0x8b9fb3df, 0xd221f5dd, 0xe54b37dc, 0xd80c6bd7, 0xef66a9d6, + 0xb6d8efd4, 0x81b22dd5, 0x04a462d0, 0x33cea0d1, 0x6a70e6d3, + 0x5d1a24d2, 0x10fe5ec5, 0x27949cc4, 0x7e2adac6, 0x494018c7, + 0xcc5657c2, 0xfb3c95c3, 0xa282d3c1, 0x95e811c0, 0xa8af4dcb, + 0x9fc58fca, 0xc67bc9c8, 0xf1110bc9, 0x740744cc, 0x436d86cd, + 0x1ad3c0cf, 0x2db902ce, 0x4096af91, 0x77fc6d90, 0x2e422b92, + 0x1928e993, 0x9c3ea696, 0xab546497, 0xf2ea2295, 0xc580e094, + 0xf8c7bc9f, 0xcfad7e9e, 0x9613389c, 0xa179fa9d, 0x246fb598, + 0x13057799, 0x4abb319b, 0x7dd1f39a, 0x3035898d, 0x075f4b8c, + 0x5ee10d8e, 0x698bcf8f, 0xec9d808a, 0xdbf7428b, 0x82490489, + 0xb523c688, 0x88649a83, 0xbf0e5882, 0xe6b01e80, 0xd1dadc81, + 0x54cc9384, 0x63a65185, 0x3a181787, 0x0d72d586, 0xa0d0e2a9, + 0x97ba20a8, 0xce0466aa, 0xf96ea4ab, 0x7c78ebae, 0x4b1229af, + 0x12ac6fad, 0x25c6adac, 0x1881f1a7, 0x2feb33a6, 0x765575a4, + 0x413fb7a5, 0xc429f8a0, 0xf3433aa1, 0xaafd7ca3, 0x9d97bea2, + 0xd073c4b5, 0xe71906b4, 0xbea740b6, 0x89cd82b7, 0x0cdbcdb2, + 0x3bb10fb3, 0x620f49b1, 0x55658bb0, 0x6822d7bb, 0x5f4815ba, + 0x06f653b8, 0x319c91b9, 0xb48adebc, 0x83e01cbd, 0xda5e5abf, + 0xed3498be}, + {0x00000000, 0x6567bcb8, 0x8bc809aa, 0xeeafb512, 0x5797628f, + 0x32f0de37, 0xdc5f6b25, 0xb938d79d, 0xef28b4c5, 0x8a4f087d, + 0x64e0bd6f, 0x018701d7, 0xb8bfd64a, 0xddd86af2, 0x3377dfe0, + 0x56106358, 0x9f571950, 0xfa30a5e8, 0x149f10fa, 0x71f8ac42, + 0xc8c07bdf, 0xada7c767, 0x43087275, 0x266fcecd, 0x707fad95, + 0x1518112d, 0xfbb7a43f, 0x9ed01887, 0x27e8cf1a, 0x428f73a2, + 0xac20c6b0, 0xc9477a08, 0x3eaf32a0, 0x5bc88e18, 0xb5673b0a, + 0xd00087b2, 0x6938502f, 0x0c5fec97, 0xe2f05985, 0x8797e53d, + 0xd1878665, 0xb4e03add, 0x5a4f8fcf, 0x3f283377, 0x8610e4ea, + 0xe3775852, 0x0dd8ed40, 0x68bf51f8, 0xa1f82bf0, 0xc49f9748, + 0x2a30225a, 0x4f579ee2, 0xf66f497f, 0x9308f5c7, 0x7da740d5, + 0x18c0fc6d, 0x4ed09f35, 0x2bb7238d, 0xc518969f, 0xa07f2a27, + 0x1947fdba, 0x7c204102, 0x928ff410, 0xf7e848a8, 0x3d58149b, + 0x583fa823, 0xb6901d31, 0xd3f7a189, 0x6acf7614, 0x0fa8caac, + 0xe1077fbe, 0x8460c306, 0xd270a05e, 0xb7171ce6, 0x59b8a9f4, + 0x3cdf154c, 0x85e7c2d1, 0xe0807e69, 0x0e2fcb7b, 0x6b4877c3, + 0xa20f0dcb, 0xc768b173, 0x29c70461, 0x4ca0b8d9, 0xf5986f44, + 0x90ffd3fc, 0x7e5066ee, 0x1b37da56, 0x4d27b90e, 0x284005b6, + 0xc6efb0a4, 0xa3880c1c, 0x1ab0db81, 0x7fd76739, 0x9178d22b, + 0xf41f6e93, 0x03f7263b, 0x66909a83, 0x883f2f91, 0xed589329, + 0x546044b4, 0x3107f80c, 0xdfa84d1e, 0xbacff1a6, 0xecdf92fe, + 0x89b82e46, 0x67179b54, 0x027027ec, 0xbb48f071, 0xde2f4cc9, + 0x3080f9db, 0x55e74563, 0x9ca03f6b, 0xf9c783d3, 0x176836c1, + 0x720f8a79, 0xcb375de4, 0xae50e15c, 0x40ff544e, 0x2598e8f6, + 0x73888bae, 0x16ef3716, 0xf8408204, 0x9d273ebc, 0x241fe921, + 0x41785599, 0xafd7e08b, 0xcab05c33, 0x3bb659ed, 0x5ed1e555, + 0xb07e5047, 0xd519ecff, 0x6c213b62, 0x094687da, 0xe7e932c8, + 0x828e8e70, 0xd49eed28, 0xb1f95190, 0x5f56e482, 0x3a31583a, + 0x83098fa7, 0xe66e331f, 0x08c1860d, 0x6da63ab5, 0xa4e140bd, + 0xc186fc05, 0x2f294917, 0x4a4ef5af, 0xf3762232, 0x96119e8a, + 0x78be2b98, 0x1dd99720, 0x4bc9f478, 0x2eae48c0, 0xc001fdd2, + 0xa566416a, 0x1c5e96f7, 0x79392a4f, 0x97969f5d, 0xf2f123e5, + 0x05196b4d, 0x607ed7f5, 0x8ed162e7, 0xebb6de5f, 0x528e09c2, + 0x37e9b57a, 0xd9460068, 0xbc21bcd0, 0xea31df88, 0x8f566330, + 0x61f9d622, 0x049e6a9a, 0xbda6bd07, 0xd8c101bf, 0x366eb4ad, + 0x53090815, 0x9a4e721d, 0xff29cea5, 0x11867bb7, 0x74e1c70f, + 0xcdd91092, 0xa8beac2a, 0x46111938, 0x2376a580, 0x7566c6d8, + 0x10017a60, 0xfeaecf72, 0x9bc973ca, 0x22f1a457, 0x479618ef, + 0xa939adfd, 0xcc5e1145, 0x06ee4d76, 0x6389f1ce, 0x8d2644dc, + 0xe841f864, 0x51792ff9, 0x341e9341, 0xdab12653, 0xbfd69aeb, + 0xe9c6f9b3, 0x8ca1450b, 0x620ef019, 0x07694ca1, 0xbe519b3c, + 0xdb362784, 0x35999296, 0x50fe2e2e, 0x99b95426, 0xfcdee89e, + 0x12715d8c, 0x7716e134, 0xce2e36a9, 0xab498a11, 0x45e63f03, + 0x208183bb, 0x7691e0e3, 0x13f65c5b, 0xfd59e949, 0x983e55f1, + 0x2106826c, 0x44613ed4, 0xaace8bc6, 0xcfa9377e, 0x38417fd6, + 0x5d26c36e, 0xb389767c, 0xd6eecac4, 0x6fd61d59, 0x0ab1a1e1, + 0xe41e14f3, 0x8179a84b, 0xd769cb13, 0xb20e77ab, 0x5ca1c2b9, + 0x39c67e01, 0x80fea99c, 0xe5991524, 0x0b36a036, 0x6e511c8e, + 0xa7166686, 0xc271da3e, 0x2cde6f2c, 0x49b9d394, 0xf0810409, + 0x95e6b8b1, 0x7b490da3, 0x1e2eb11b, 0x483ed243, 0x2d596efb, + 0xc3f6dbe9, 0xa6916751, 0x1fa9b0cc, 0x7ace0c74, 0x9461b966, + 0xf10605de}}; + +#endif + +#endif + +#if N == 2 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xae689191, 0x87a02563, 0x29c8b4f2, 0xd4314c87, + 0x7a59dd16, 0x539169e4, 0xfdf9f875, 0x73139f4f, 0xdd7b0ede, + 0xf4b3ba2c, 0x5adb2bbd, 0xa722d3c8, 0x094a4259, 0x2082f6ab, + 0x8eea673a, 0xe6273e9e, 0x484faf0f, 0x61871bfd, 0xcfef8a6c, + 0x32167219, 0x9c7ee388, 0xb5b6577a, 0x1bdec6eb, 0x9534a1d1, + 0x3b5c3040, 0x129484b2, 0xbcfc1523, 0x4105ed56, 0xef6d7cc7, + 0xc6a5c835, 0x68cd59a4, 0x173f7b7d, 0xb957eaec, 0x909f5e1e, + 0x3ef7cf8f, 0xc30e37fa, 0x6d66a66b, 0x44ae1299, 0xeac68308, + 0x642ce432, 0xca4475a3, 0xe38cc151, 0x4de450c0, 0xb01da8b5, + 0x1e753924, 0x37bd8dd6, 0x99d51c47, 0xf11845e3, 0x5f70d472, + 0x76b86080, 0xd8d0f111, 0x25290964, 0x8b4198f5, 0xa2892c07, + 0x0ce1bd96, 0x820bdaac, 0x2c634b3d, 0x05abffcf, 0xabc36e5e, + 0x563a962b, 0xf85207ba, 0xd19ab348, 0x7ff222d9, 0x2e7ef6fa, + 0x8016676b, 0xa9ded399, 0x07b64208, 0xfa4fba7d, 0x54272bec, + 0x7def9f1e, 0xd3870e8f, 0x5d6d69b5, 0xf305f824, 0xdacd4cd6, + 0x74a5dd47, 0x895c2532, 0x2734b4a3, 0x0efc0051, 0xa09491c0, + 0xc859c864, 0x663159f5, 0x4ff9ed07, 0xe1917c96, 0x1c6884e3, + 0xb2001572, 0x9bc8a180, 0x35a03011, 0xbb4a572b, 0x1522c6ba, + 0x3cea7248, 0x9282e3d9, 0x6f7b1bac, 0xc1138a3d, 0xe8db3ecf, + 0x46b3af5e, 0x39418d87, 0x97291c16, 0xbee1a8e4, 0x10893975, + 0xed70c100, 0x43185091, 0x6ad0e463, 0xc4b875f2, 0x4a5212c8, + 0xe43a8359, 0xcdf237ab, 0x639aa63a, 0x9e635e4f, 0x300bcfde, + 0x19c37b2c, 0xb7abeabd, 0xdf66b319, 0x710e2288, 0x58c6967a, + 0xf6ae07eb, 0x0b57ff9e, 0xa53f6e0f, 0x8cf7dafd, 0x229f4b6c, + 0xac752c56, 0x021dbdc7, 0x2bd50935, 0x85bd98a4, 0x784460d1, + 0xd62cf140, 0xffe445b2, 0x518cd423, 0x5cfdedf4, 0xf2957c65, + 0xdb5dc897, 0x75355906, 0x88cca173, 0x26a430e2, 0x0f6c8410, + 0xa1041581, 0x2fee72bb, 0x8186e32a, 0xa84e57d8, 0x0626c649, + 0xfbdf3e3c, 0x55b7afad, 0x7c7f1b5f, 0xd2178ace, 0xbadad36a, + 0x14b242fb, 0x3d7af609, 0x93126798, 0x6eeb9fed, 0xc0830e7c, + 0xe94bba8e, 0x47232b1f, 0xc9c94c25, 0x67a1ddb4, 0x4e696946, + 0xe001f8d7, 0x1df800a2, 0xb3909133, 0x9a5825c1, 0x3430b450, + 0x4bc29689, 0xe5aa0718, 0xcc62b3ea, 0x620a227b, 0x9ff3da0e, + 0x319b4b9f, 0x1853ff6d, 0xb63b6efc, 0x38d109c6, 0x96b99857, + 0xbf712ca5, 0x1119bd34, 0xece04541, 0x4288d4d0, 0x6b406022, + 0xc528f1b3, 0xade5a817, 0x038d3986, 0x2a458d74, 0x842d1ce5, + 0x79d4e490, 0xd7bc7501, 0xfe74c1f3, 0x501c5062, 0xdef63758, + 0x709ea6c9, 0x5956123b, 0xf73e83aa, 0x0ac77bdf, 0xa4afea4e, + 0x8d675ebc, 0x230fcf2d, 0x72831b0e, 0xdceb8a9f, 0xf5233e6d, + 0x5b4baffc, 0xa6b25789, 0x08dac618, 0x211272ea, 0x8f7ae37b, + 0x01908441, 0xaff815d0, 0x8630a122, 0x285830b3, 0xd5a1c8c6, + 0x7bc95957, 0x5201eda5, 0xfc697c34, 0x94a42590, 0x3accb401, + 0x130400f3, 0xbd6c9162, 0x40956917, 0xeefdf886, 0xc7354c74, + 0x695ddde5, 0xe7b7badf, 0x49df2b4e, 0x60179fbc, 0xce7f0e2d, + 0x3386f658, 0x9dee67c9, 0xb426d33b, 0x1a4e42aa, 0x65bc6073, + 0xcbd4f1e2, 0xe21c4510, 0x4c74d481, 0xb18d2cf4, 0x1fe5bd65, + 0x362d0997, 0x98459806, 0x16afff3c, 0xb8c76ead, 0x910fda5f, + 0x3f674bce, 0xc29eb3bb, 0x6cf6222a, 0x453e96d8, 0xeb560749, + 0x839b5eed, 0x2df3cf7c, 0x043b7b8e, 0xaa53ea1f, 0x57aa126a, + 0xf9c283fb, 0xd00a3709, 0x7e62a698, 0xf088c1a2, 0x5ee05033, + 0x7728e4c1, 0xd9407550, 0x24b98d25, 0x8ad11cb4, 0xa319a846, + 0x0d7139d7}, + {0x00000000, 0xb9fbdbe8, 0xa886b191, 0x117d6a79, 0x8a7c6563, + 0x3387be8b, 0x22fad4f2, 0x9b010f1a, 0xcf89cc87, 0x7672176f, + 0x670f7d16, 0xdef4a6fe, 0x45f5a9e4, 0xfc0e720c, 0xed731875, + 0x5488c39d, 0x44629f4f, 0xfd9944a7, 0xece42ede, 0x551ff536, + 0xce1efa2c, 0x77e521c4, 0x66984bbd, 0xdf639055, 0x8beb53c8, + 0x32108820, 0x236de259, 0x9a9639b1, 0x019736ab, 0xb86ced43, + 0xa911873a, 0x10ea5cd2, 0x88c53e9e, 0x313ee576, 0x20438f0f, + 0x99b854e7, 0x02b95bfd, 0xbb428015, 0xaa3fea6c, 0x13c43184, + 0x474cf219, 0xfeb729f1, 0xefca4388, 0x56319860, 0xcd30977a, + 0x74cb4c92, 0x65b626eb, 0xdc4dfd03, 0xcca7a1d1, 0x755c7a39, + 0x64211040, 0xdddacba8, 0x46dbc4b2, 0xff201f5a, 0xee5d7523, + 0x57a6aecb, 0x032e6d56, 0xbad5b6be, 0xaba8dcc7, 0x1253072f, + 0x89520835, 0x30a9d3dd, 0x21d4b9a4, 0x982f624c, 0xcafb7b7d, + 0x7300a095, 0x627dcaec, 0xdb861104, 0x40871e1e, 0xf97cc5f6, + 0xe801af8f, 0x51fa7467, 0x0572b7fa, 0xbc896c12, 0xadf4066b, + 0x140fdd83, 0x8f0ed299, 0x36f50971, 0x27886308, 0x9e73b8e0, + 0x8e99e432, 0x37623fda, 0x261f55a3, 0x9fe48e4b, 0x04e58151, + 0xbd1e5ab9, 0xac6330c0, 0x1598eb28, 0x411028b5, 0xf8ebf35d, + 0xe9969924, 0x506d42cc, 0xcb6c4dd6, 0x7297963e, 0x63eafc47, + 0xda1127af, 0x423e45e3, 0xfbc59e0b, 0xeab8f472, 0x53432f9a, + 0xc8422080, 0x71b9fb68, 0x60c49111, 0xd93f4af9, 0x8db78964, + 0x344c528c, 0x253138f5, 0x9ccae31d, 0x07cbec07, 0xbe3037ef, + 0xaf4d5d96, 0x16b6867e, 0x065cdaac, 0xbfa70144, 0xaeda6b3d, + 0x1721b0d5, 0x8c20bfcf, 0x35db6427, 0x24a60e5e, 0x9d5dd5b6, + 0xc9d5162b, 0x702ecdc3, 0x6153a7ba, 0xd8a87c52, 0x43a97348, + 0xfa52a8a0, 0xeb2fc2d9, 0x52d41931, 0x4e87f0bb, 0xf77c2b53, + 0xe601412a, 0x5ffa9ac2, 0xc4fb95d8, 0x7d004e30, 0x6c7d2449, + 0xd586ffa1, 0x810e3c3c, 0x38f5e7d4, 0x29888dad, 0x90735645, + 0x0b72595f, 0xb28982b7, 0xa3f4e8ce, 0x1a0f3326, 0x0ae56ff4, + 0xb31eb41c, 0xa263de65, 0x1b98058d, 0x80990a97, 0x3962d17f, + 0x281fbb06, 0x91e460ee, 0xc56ca373, 0x7c97789b, 0x6dea12e2, + 0xd411c90a, 0x4f10c610, 0xf6eb1df8, 0xe7967781, 0x5e6dac69, + 0xc642ce25, 0x7fb915cd, 0x6ec47fb4, 0xd73fa45c, 0x4c3eab46, + 0xf5c570ae, 0xe4b81ad7, 0x5d43c13f, 0x09cb02a2, 0xb030d94a, + 0xa14db333, 0x18b668db, 0x83b767c1, 0x3a4cbc29, 0x2b31d650, + 0x92ca0db8, 0x8220516a, 0x3bdb8a82, 0x2aa6e0fb, 0x935d3b13, + 0x085c3409, 0xb1a7efe1, 0xa0da8598, 0x19215e70, 0x4da99ded, + 0xf4524605, 0xe52f2c7c, 0x5cd4f794, 0xc7d5f88e, 0x7e2e2366, + 0x6f53491f, 0xd6a892f7, 0x847c8bc6, 0x3d87502e, 0x2cfa3a57, + 0x9501e1bf, 0x0e00eea5, 0xb7fb354d, 0xa6865f34, 0x1f7d84dc, + 0x4bf54741, 0xf20e9ca9, 0xe373f6d0, 0x5a882d38, 0xc1892222, + 0x7872f9ca, 0x690f93b3, 0xd0f4485b, 0xc01e1489, 0x79e5cf61, + 0x6898a518, 0xd1637ef0, 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0x3f7d6173, + 0xa4d82d1c, 0xd346ffec, 0x48e3b383, 0x3a772cf2, 0xa1d2609d, + 0xd64cb26d, 0x4de9fe02, 0x3971178d, 0xa2d45be2, 0xd54a8912, + 0x4eefc57d, 0x28526c08, 0xb3f72067, 0xc469f297, 0x5fccbef8, + 0x2b545777, 0xb0f11b18, 0xc76fc9e8, 0x5cca8587, 0x2e5e1af6, + 0xb5fb5699, 0xc2658469, 0x59c0c806, 0x2d582189, 0xb6fd6de6, + 0xc163bf16, 0x5ac6f379, 0x244a81f4, 0xbfefcd9b, 0xc8711f6b, + 0x53d45304, 0x274cba8b, 0xbce9f6e4, 0xcb772414, 0x50d2687b, + 0x2246f70a, 0xb9e3bb65, 0xce7d6995, 0x55d825fa, 0x2140cc75, + 0xbae5801a, 0xcd7b52ea, 0x56de1e85, 0x60c76fe0, 0xfb62238f, + 0x8cfcf17f, 0x1759bd10, 0x63c1549f, 0xf86418f0, 0x8ffaca00, + 0x145f866f, 0x66cb191e, 0xfd6e5571, 0x8af08781, 0x1155cbee, + 0x65cd2261, 0xfe686e0e, 0x89f6bcfe, 0x1253f091, 0x6cdf821c, + 0xf77ace73, 0x80e41c83, 0x1b4150ec, 0x6fd9b963, 0xf47cf50c, + 0x83e227fc, 0x18476b93, 0x6ad3f4e2, 0xf176b88d, 0x86e86a7d, + 0x1d4d2612, 0x69d5cf9d, 0xf27083f2, 0x85ee5102, 0x1e4b1d6d, + 0x78f6b418, 0xe353f877, 0x94cd2a87, 0x0f6866e8, 0x7bf08f67, + 0xe055c308, 0x97cb11f8, 0x0c6e5d97, 0x7efac2e6, 0xe55f8e89, + 0x92c15c79, 0x09641016, 0x7dfcf999, 0xe659b5f6, 0x91c76706, + 0x0a622b69, 0x74ee59e4, 0xef4b158b, 0x98d5c77b, 0x03708b14, + 0x77e8629b, 0xec4d2ef4, 0x9bd3fc04, 0x0076b06b, 0x72e22f1a, + 0xe9476375, 0x9ed9b185, 0x057cfdea, 0x71e41465, 0xea41580a, + 0x9ddf8afa, 0x067ac695, 0x50a4d810, 0xcb01947f, 0xbc9f468f, + 0x273a0ae0, 0x53a2e36f, 0xc807af00, 0xbf997df0, 0x243c319f, + 0x56a8aeee, 0xcd0de281, 0xba933071, 0x21367c1e, 0x55ae9591, + 0xce0bd9fe, 0xb9950b0e, 0x22304761, 0x5cbc35ec, 0xc7197983, + 0xb087ab73, 0x2b22e71c, 0x5fba0e93, 0xc41f42fc, 0xb381900c, + 0x2824dc63, 0x5ab04312, 0xc1150f7d, 0xb68bdd8d, 0x2d2e91e2, + 0x59b6786d, 0xc2133402, 0xb58de6f2, 0x2e28aa9d, 0x489503e8, + 0xd3304f87, 0xa4ae9d77, 0x3f0bd118, 0x4b933897, 0xd03674f8, + 0xa7a8a608, 0x3c0dea67, 0x4e997516, 0xd53c3979, 0xa2a2eb89, + 0x3907a7e6, 0x4d9f4e69, 0xd63a0206, 0xa1a4d0f6, 0x3a019c99, + 0x448dee14, 0xdf28a27b, 0xa8b6708b, 0x33133ce4, 0x478bd56b, + 0xdc2e9904, 0xabb04bf4, 0x3015079b, 0x428198ea, 0xd924d485, + 0xaeba0675, 0x351f4a1a, 0x4187a395, 0xda22effa, 0xadbc3d0a, + 0x36197165}, + {0x00000000, 0xc18edfc0, 0x586cb9c1, 0x99e26601, 0xb0d97382, + 0x7157ac42, 0xe8b5ca43, 0x293b1583, 0xbac3e145, 0x7b4d3e85, + 0xe2af5884, 0x23218744, 0x0a1a92c7, 0xcb944d07, 0x52762b06, + 0x93f8f4c6, 0xaef6c4cb, 0x6f781b0b, 0xf69a7d0a, 0x3714a2ca, + 0x1e2fb749, 0xdfa16889, 0x46430e88, 0x87cdd148, 0x1435258e, + 0xd5bbfa4e, 0x4c599c4f, 0x8dd7438f, 0xa4ec560c, 0x656289cc, + 0xfc80efcd, 0x3d0e300d, 0x869c8fd7, 0x47125017, 0xdef03616, + 0x1f7ee9d6, 0x3645fc55, 0xf7cb2395, 0x6e294594, 0xafa79a54, + 0x3c5f6e92, 0xfdd1b152, 0x6433d753, 0xa5bd0893, 0x8c861d10, + 0x4d08c2d0, 0xd4eaa4d1, 0x15647b11, 0x286a4b1c, 0xe9e494dc, + 0x7006f2dd, 0xb1882d1d, 0x98b3389e, 0x593de75e, 0xc0df815f, + 0x01515e9f, 0x92a9aa59, 0x53277599, 0xcac51398, 0x0b4bcc58, + 0x2270d9db, 0xe3fe061b, 0x7a1c601a, 0xbb92bfda, 0xd64819ef, + 0x17c6c62f, 0x8e24a02e, 0x4faa7fee, 0x66916a6d, 0xa71fb5ad, + 0x3efdd3ac, 0xff730c6c, 0x6c8bf8aa, 0xad05276a, 0x34e7416b, + 0xf5699eab, 0xdc528b28, 0x1ddc54e8, 0x843e32e9, 0x45b0ed29, + 0x78bedd24, 0xb93002e4, 0x20d264e5, 0xe15cbb25, 0xc867aea6, + 0x09e97166, 0x900b1767, 0x5185c8a7, 0xc27d3c61, 0x03f3e3a1, + 0x9a1185a0, 0x5b9f5a60, 0x72a44fe3, 0xb32a9023, 0x2ac8f622, + 0xeb4629e2, 0x50d49638, 0x915a49f8, 0x08b82ff9, 0xc936f039, + 0xe00de5ba, 0x21833a7a, 0xb8615c7b, 0x79ef83bb, 0xea17777d, + 0x2b99a8bd, 0xb27bcebc, 0x73f5117c, 0x5ace04ff, 0x9b40db3f, + 0x02a2bd3e, 0xc32c62fe, 0xfe2252f3, 0x3fac8d33, 0xa64eeb32, + 0x67c034f2, 0x4efb2171, 0x8f75feb1, 0x169798b0, 0xd7194770, + 0x44e1b3b6, 0x856f6c76, 0x1c8d0a77, 0xdd03d5b7, 0xf438c034, + 0x35b61ff4, 0xac5479f5, 0x6ddaa635, 0x77e1359f, 0xb66fea5f, + 0x2f8d8c5e, 0xee03539e, 0xc738461d, 0x06b699dd, 0x9f54ffdc, + 0x5eda201c, 0xcd22d4da, 0x0cac0b1a, 0x954e6d1b, 0x54c0b2db, + 0x7dfba758, 0xbc757898, 0x25971e99, 0xe419c159, 0xd917f154, + 0x18992e94, 0x817b4895, 0x40f59755, 0x69ce82d6, 0xa8405d16, + 0x31a23b17, 0xf02ce4d7, 0x63d41011, 0xa25acfd1, 0x3bb8a9d0, + 0xfa367610, 0xd30d6393, 0x1283bc53, 0x8b61da52, 0x4aef0592, + 0xf17dba48, 0x30f36588, 0xa9110389, 0x689fdc49, 0x41a4c9ca, + 0x802a160a, 0x19c8700b, 0xd846afcb, 0x4bbe5b0d, 0x8a3084cd, + 0x13d2e2cc, 0xd25c3d0c, 0xfb67288f, 0x3ae9f74f, 0xa30b914e, + 0x62854e8e, 0x5f8b7e83, 0x9e05a143, 0x07e7c742, 0xc6691882, + 0xef520d01, 0x2edcd2c1, 0xb73eb4c0, 0x76b06b00, 0xe5489fc6, + 0x24c64006, 0xbd242607, 0x7caaf9c7, 0x5591ec44, 0x941f3384, + 0x0dfd5585, 0xcc738a45, 0xa1a92c70, 0x6027f3b0, 0xf9c595b1, + 0x384b4a71, 0x11705ff2, 0xd0fe8032, 0x491ce633, 0x889239f3, + 0x1b6acd35, 0xdae412f5, 0x430674f4, 0x8288ab34, 0xabb3beb7, + 0x6a3d6177, 0xf3df0776, 0x3251d8b6, 0x0f5fe8bb, 0xced1377b, + 0x5733517a, 0x96bd8eba, 0xbf869b39, 0x7e0844f9, 0xe7ea22f8, + 0x2664fd38, 0xb59c09fe, 0x7412d63e, 0xedf0b03f, 0x2c7e6fff, + 0x05457a7c, 0xc4cba5bc, 0x5d29c3bd, 0x9ca71c7d, 0x2735a3a7, + 0xe6bb7c67, 0x7f591a66, 0xbed7c5a6, 0x97ecd025, 0x56620fe5, + 0xcf8069e4, 0x0e0eb624, 0x9df642e2, 0x5c789d22, 0xc59afb23, + 0x041424e3, 0x2d2f3160, 0xeca1eea0, 0x754388a1, 0xb4cd5761, + 0x89c3676c, 0x484db8ac, 0xd1afdead, 0x1021016d, 0x391a14ee, + 0xf894cb2e, 0x6176ad2f, 0xa0f872ef, 0x33008629, 0xf28e59e9, + 0x6b6c3fe8, 0xaae2e028, 0x83d9f5ab, 0x42572a6b, 0xdbb54c6a, + 0x1a3b93aa}, + {0x00000000, 0xefc26b3e, 0x04f5d03d, 0xeb37bb03, 0x09eba07a, + 0xe629cb44, 0x0d1e7047, 0xe2dc1b79, 0x13d740f4, 0xfc152bca, + 0x172290c9, 0xf8e0fbf7, 0x1a3ce08e, 0xf5fe8bb0, 0x1ec930b3, + 0xf10b5b8d, 0x27ae81e8, 0xc86cead6, 0x235b51d5, 0xcc993aeb, + 0x2e452192, 0xc1874aac, 0x2ab0f1af, 0xc5729a91, 0x3479c11c, + 0xdbbbaa22, 0x308c1121, 0xdf4e7a1f, 0x3d926166, 0xd2500a58, + 0x3967b15b, 0xd6a5da65, 0x4f5d03d0, 0xa09f68ee, 0x4ba8d3ed, + 0xa46ab8d3, 0x46b6a3aa, 0xa974c894, 0x42437397, 0xad8118a9, + 0x5c8a4324, 0xb348281a, 0x587f9319, 0xb7bdf827, 0x5561e35e, + 0xbaa38860, 0x51943363, 0xbe56585d, 0x68f38238, 0x8731e906, + 0x6c065205, 0x83c4393b, 0x61182242, 0x8eda497c, 0x65edf27f, + 0x8a2f9941, 0x7b24c2cc, 0x94e6a9f2, 0x7fd112f1, 0x901379cf, + 0x72cf62b6, 0x9d0d0988, 0x763ab28b, 0x99f8d9b5, 0x9eba07a0, + 0x71786c9e, 0x9a4fd79d, 0x758dbca3, 0x9751a7da, 0x7893cce4, + 0x93a477e7, 0x7c661cd9, 0x8d6d4754, 0x62af2c6a, 0x89989769, + 0x665afc57, 0x8486e72e, 0x6b448c10, 0x80733713, 0x6fb15c2d, + 0xb9148648, 0x56d6ed76, 0xbde15675, 0x52233d4b, 0xb0ff2632, + 0x5f3d4d0c, 0xb40af60f, 0x5bc89d31, 0xaac3c6bc, 0x4501ad82, + 0xae361681, 0x41f47dbf, 0xa32866c6, 0x4cea0df8, 0xa7ddb6fb, + 0x481fddc5, 0xd1e70470, 0x3e256f4e, 0xd512d44d, 0x3ad0bf73, + 0xd80ca40a, 0x37cecf34, 0xdcf97437, 0x333b1f09, 0xc2304484, + 0x2df22fba, 0xc6c594b9, 0x2907ff87, 0xcbdbe4fe, 0x24198fc0, + 0xcf2e34c3, 0x20ec5ffd, 0xf6498598, 0x198beea6, 0xf2bc55a5, + 0x1d7e3e9b, 0xffa225e2, 0x10604edc, 0xfb57f5df, 0x14959ee1, + 0xe59ec56c, 0x0a5cae52, 0xe16b1551, 0x0ea97e6f, 0xec756516, + 0x03b70e28, 0xe880b52b, 0x0742de15, 0xe6050901, 0x09c7623f, + 0xe2f0d93c, 0x0d32b202, 0xefeea97b, 0x002cc245, 0xeb1b7946, + 0x04d91278, 0xf5d249f5, 0x1a1022cb, 0xf12799c8, 0x1ee5f2f6, + 0xfc39e98f, 0x13fb82b1, 0xf8cc39b2, 0x170e528c, 0xc1ab88e9, + 0x2e69e3d7, 0xc55e58d4, 0x2a9c33ea, 0xc8402893, 0x278243ad, + 0xccb5f8ae, 0x23779390, 0xd27cc81d, 0x3dbea323, 0xd6891820, + 0x394b731e, 0xdb976867, 0x34550359, 0xdf62b85a, 0x30a0d364, + 0xa9580ad1, 0x469a61ef, 0xadaddaec, 0x426fb1d2, 0xa0b3aaab, + 0x4f71c195, 0xa4467a96, 0x4b8411a8, 0xba8f4a25, 0x554d211b, + 0xbe7a9a18, 0x51b8f126, 0xb364ea5f, 0x5ca68161, 0xb7913a62, + 0x5853515c, 0x8ef68b39, 0x6134e007, 0x8a035b04, 0x65c1303a, + 0x871d2b43, 0x68df407d, 0x83e8fb7e, 0x6c2a9040, 0x9d21cbcd, + 0x72e3a0f3, 0x99d41bf0, 0x761670ce, 0x94ca6bb7, 0x7b080089, + 0x903fbb8a, 0x7ffdd0b4, 0x78bf0ea1, 0x977d659f, 0x7c4ade9c, + 0x9388b5a2, 0x7154aedb, 0x9e96c5e5, 0x75a17ee6, 0x9a6315d8, + 0x6b684e55, 0x84aa256b, 0x6f9d9e68, 0x805ff556, 0x6283ee2f, + 0x8d418511, 0x66763e12, 0x89b4552c, 0x5f118f49, 0xb0d3e477, + 0x5be45f74, 0xb426344a, 0x56fa2f33, 0xb938440d, 0x520fff0e, + 0xbdcd9430, 0x4cc6cfbd, 0xa304a483, 0x48331f80, 0xa7f174be, + 0x452d6fc7, 0xaaef04f9, 0x41d8bffa, 0xae1ad4c4, 0x37e20d71, + 0xd820664f, 0x3317dd4c, 0xdcd5b672, 0x3e09ad0b, 0xd1cbc635, + 0x3afc7d36, 0xd53e1608, 0x24354d85, 0xcbf726bb, 0x20c09db8, + 0xcf02f686, 0x2ddeedff, 0xc21c86c1, 0x292b3dc2, 0xc6e956fc, + 0x104c8c99, 0xff8ee7a7, 0x14b95ca4, 0xfb7b379a, 0x19a72ce3, + 0xf66547dd, 0x1d52fcde, 0xf29097e0, 0x039bcc6d, 0xec59a753, + 0x076e1c50, 0xe8ac776e, 0x0a706c17, 0xe5b20729, 0x0e85bc2a, + 0xe147d714}, + {0x00000000, 0x177b1443, 0x2ef62886, 0x398d3cc5, 0x5dec510c, + 0x4a97454f, 0x731a798a, 0x64616dc9, 0xbbd8a218, 0xaca3b65b, + 0x952e8a9e, 0x82559edd, 0xe634f314, 0xf14fe757, 0xc8c2db92, + 0xdfb9cfd1, 0xacc04271, 0xbbbb5632, 0x82366af7, 0x954d7eb4, + 0xf12c137d, 0xe657073e, 0xdfda3bfb, 0xc8a12fb8, 0x1718e069, + 0x0063f42a, 0x39eec8ef, 0x2e95dcac, 0x4af4b165, 0x5d8fa526, + 0x640299e3, 0x73798da0, 0x82f182a3, 0x958a96e0, 0xac07aa25, + 0xbb7cbe66, 0xdf1dd3af, 0xc866c7ec, 0xf1ebfb29, 0xe690ef6a, + 0x392920bb, 0x2e5234f8, 0x17df083d, 0x00a41c7e, 0x64c571b7, + 0x73be65f4, 0x4a335931, 0x5d484d72, 0x2e31c0d2, 0x394ad491, + 0x00c7e854, 0x17bcfc17, 0x73dd91de, 0x64a6859d, 0x5d2bb958, + 0x4a50ad1b, 0x95e962ca, 0x82927689, 0xbb1f4a4c, 0xac645e0f, + 0xc80533c6, 0xdf7e2785, 0xe6f31b40, 0xf1880f03, 0xde920307, + 0xc9e91744, 0xf0642b81, 0xe71f3fc2, 0x837e520b, 0x94054648, + 0xad887a8d, 0xbaf36ece, 0x654aa11f, 0x7231b55c, 0x4bbc8999, + 0x5cc79dda, 0x38a6f013, 0x2fdde450, 0x1650d895, 0x012bccd6, + 0x72524176, 0x65295535, 0x5ca469f0, 0x4bdf7db3, 0x2fbe107a, + 0x38c50439, 0x014838fc, 0x16332cbf, 0xc98ae36e, 0xdef1f72d, + 0xe77ccbe8, 0xf007dfab, 0x9466b262, 0x831da621, 0xba909ae4, + 0xadeb8ea7, 0x5c6381a4, 0x4b1895e7, 0x7295a922, 0x65eebd61, + 0x018fd0a8, 0x16f4c4eb, 0x2f79f82e, 0x3802ec6d, 0xe7bb23bc, + 0xf0c037ff, 0xc94d0b3a, 0xde361f79, 0xba5772b0, 0xad2c66f3, + 0x94a15a36, 0x83da4e75, 0xf0a3c3d5, 0xe7d8d796, 0xde55eb53, + 0xc92eff10, 0xad4f92d9, 0xba34869a, 0x83b9ba5f, 0x94c2ae1c, + 0x4b7b61cd, 0x5c00758e, 0x658d494b, 0x72f65d08, 0x169730c1, + 0x01ec2482, 0x38611847, 0x2f1a0c04, 0x6655004f, 0x712e140c, + 0x48a328c9, 0x5fd83c8a, 0x3bb95143, 0x2cc24500, 0x154f79c5, + 0x02346d86, 0xdd8da257, 0xcaf6b614, 0xf37b8ad1, 0xe4009e92, + 0x8061f35b, 0x971ae718, 0xae97dbdd, 0xb9eccf9e, 0xca95423e, + 0xddee567d, 0xe4636ab8, 0xf3187efb, 0x97791332, 0x80020771, + 0xb98f3bb4, 0xaef42ff7, 0x714de026, 0x6636f465, 0x5fbbc8a0, + 0x48c0dce3, 0x2ca1b12a, 0x3bdaa569, 0x025799ac, 0x152c8def, + 0xe4a482ec, 0xf3df96af, 0xca52aa6a, 0xdd29be29, 0xb948d3e0, + 0xae33c7a3, 0x97befb66, 0x80c5ef25, 0x5f7c20f4, 0x480734b7, + 0x718a0872, 0x66f11c31, 0x029071f8, 0x15eb65bb, 0x2c66597e, + 0x3b1d4d3d, 0x4864c09d, 0x5f1fd4de, 0x6692e81b, 0x71e9fc58, + 0x15889191, 0x02f385d2, 0x3b7eb917, 0x2c05ad54, 0xf3bc6285, + 0xe4c776c6, 0xdd4a4a03, 0xca315e40, 0xae503389, 0xb92b27ca, + 0x80a61b0f, 0x97dd0f4c, 0xb8c70348, 0xafbc170b, 0x96312bce, + 0x814a3f8d, 0xe52b5244, 0xf2504607, 0xcbdd7ac2, 0xdca66e81, + 0x031fa150, 0x1464b513, 0x2de989d6, 0x3a929d95, 0x5ef3f05c, + 0x4988e41f, 0x7005d8da, 0x677ecc99, 0x14074139, 0x037c557a, + 0x3af169bf, 0x2d8a7dfc, 0x49eb1035, 0x5e900476, 0x671d38b3, + 0x70662cf0, 0xafdfe321, 0xb8a4f762, 0x8129cba7, 0x9652dfe4, + 0xf233b22d, 0xe548a66e, 0xdcc59aab, 0xcbbe8ee8, 0x3a3681eb, + 0x2d4d95a8, 0x14c0a96d, 0x03bbbd2e, 0x67dad0e7, 0x70a1c4a4, + 0x492cf861, 0x5e57ec22, 0x81ee23f3, 0x969537b0, 0xaf180b75, + 0xb8631f36, 0xdc0272ff, 0xcb7966bc, 0xf2f45a79, 0xe58f4e3a, + 0x96f6c39a, 0x818dd7d9, 0xb800eb1c, 0xaf7bff5f, 0xcb1a9296, + 0xdc6186d5, 0xe5ecba10, 0xf297ae53, 0x2d2e6182, 0x3a5575c1, + 0x03d84904, 0x14a35d47, 0x70c2308e, 0x67b924cd, 0x5e341808, + 0x494f0c4b}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x43147b1700000000, 0x8628f62e00000000, + 0xc53c8d3900000000, 0x0c51ec5d00000000, 0x4f45974a00000000, + 0x8a791a7300000000, 0xc96d616400000000, 0x18a2d8bb00000000, + 0x5bb6a3ac00000000, 0x9e8a2e9500000000, 0xdd9e558200000000, + 0x14f334e600000000, 0x57e74ff100000000, 0x92dbc2c800000000, + 0xd1cfb9df00000000, 0x7142c0ac00000000, 0x3256bbbb00000000, + 0xf76a368200000000, 0xb47e4d9500000000, 0x7d132cf100000000, + 0x3e0757e600000000, 0xfb3bdadf00000000, 0xb82fa1c800000000, + 0x69e0181700000000, 0x2af4630000000000, 0xefc8ee3900000000, + 0xacdc952e00000000, 0x65b1f44a00000000, 0x26a58f5d00000000, + 0xe399026400000000, 0xa08d797300000000, 0xa382f18200000000, + 0xe0968a9500000000, 0x25aa07ac00000000, 0x66be7cbb00000000, + 0xafd31ddf00000000, 0xecc766c800000000, 0x29fbebf100000000, + 0x6aef90e600000000, 0xbb20293900000000, 0xf834522e00000000, + 0x3d08df1700000000, 0x7e1ca40000000000, 0xb771c56400000000, + 0xf465be7300000000, 0x3159334a00000000, 0x724d485d00000000, + 0xd2c0312e00000000, 0x91d44a3900000000, 0x54e8c70000000000, + 0x17fcbc1700000000, 0xde91dd7300000000, 0x9d85a66400000000, + 0x58b92b5d00000000, 0x1bad504a00000000, 0xca62e99500000000, + 0x8976928200000000, 0x4c4a1fbb00000000, 0x0f5e64ac00000000, + 0xc63305c800000000, 0x85277edf00000000, 0x401bf3e600000000, + 0x030f88f100000000, 0x070392de00000000, 0x4417e9c900000000, + 0x812b64f000000000, 0xc23f1fe700000000, 0x0b527e8300000000, + 0x4846059400000000, 0x8d7a88ad00000000, 0xce6ef3ba00000000, + 0x1fa14a6500000000, 0x5cb5317200000000, 0x9989bc4b00000000, + 0xda9dc75c00000000, 0x13f0a63800000000, 0x50e4dd2f00000000, + 0x95d8501600000000, 0xd6cc2b0100000000, 0x7641527200000000, + 0x3555296500000000, 0xf069a45c00000000, 0xb37ddf4b00000000, + 0x7a10be2f00000000, 0x3904c53800000000, 0xfc38480100000000, + 0xbf2c331600000000, 0x6ee38ac900000000, 0x2df7f1de00000000, + 0xe8cb7ce700000000, 0xabdf07f000000000, 0x62b2669400000000, + 0x21a61d8300000000, 0xe49a90ba00000000, 0xa78eebad00000000, + 0xa481635c00000000, 0xe795184b00000000, 0x22a9957200000000, + 0x61bdee6500000000, 0xa8d08f0100000000, 0xebc4f41600000000, + 0x2ef8792f00000000, 0x6dec023800000000, 0xbc23bbe700000000, + 0xff37c0f000000000, 0x3a0b4dc900000000, 0x791f36de00000000, + 0xb07257ba00000000, 0xf3662cad00000000, 0x365aa19400000000, + 0x754eda8300000000, 0xd5c3a3f000000000, 0x96d7d8e700000000, + 0x53eb55de00000000, 0x10ff2ec900000000, 0xd9924fad00000000, + 0x9a8634ba00000000, 0x5fbab98300000000, 0x1caec29400000000, + 0xcd617b4b00000000, 0x8e75005c00000000, 0x4b498d6500000000, + 0x085df67200000000, 0xc130971600000000, 0x8224ec0100000000, + 0x4718613800000000, 0x040c1a2f00000000, 0x4f00556600000000, + 0x0c142e7100000000, 0xc928a34800000000, 0x8a3cd85f00000000, + 0x4351b93b00000000, 0x0045c22c00000000, 0xc5794f1500000000, + 0x866d340200000000, 0x57a28ddd00000000, 0x14b6f6ca00000000, + 0xd18a7bf300000000, 0x929e00e400000000, 0x5bf3618000000000, + 0x18e71a9700000000, 0xdddb97ae00000000, 0x9ecfecb900000000, + 0x3e4295ca00000000, 0x7d56eedd00000000, 0xb86a63e400000000, + 0xfb7e18f300000000, 0x3213799700000000, 0x7107028000000000, + 0xb43b8fb900000000, 0xf72ff4ae00000000, 0x26e04d7100000000, + 0x65f4366600000000, 0xa0c8bb5f00000000, 0xe3dcc04800000000, + 0x2ab1a12c00000000, 0x69a5da3b00000000, 0xac99570200000000, + 0xef8d2c1500000000, 0xec82a4e400000000, 0xaf96dff300000000, + 0x6aaa52ca00000000, 0x29be29dd00000000, 0xe0d348b900000000, + 0xa3c733ae00000000, 0x66fbbe9700000000, 0x25efc58000000000, + 0xf4207c5f00000000, 0xb734074800000000, 0x72088a7100000000, + 0x311cf16600000000, 0xf871900200000000, 0xbb65eb1500000000, + 0x7e59662c00000000, 0x3d4d1d3b00000000, 0x9dc0644800000000, + 0xded41f5f00000000, 0x1be8926600000000, 0x58fce97100000000, + 0x9191881500000000, 0xd285f30200000000, 0x17b97e3b00000000, + 0x54ad052c00000000, 0x8562bcf300000000, 0xc676c7e400000000, + 0x034a4add00000000, 0x405e31ca00000000, 0x893350ae00000000, + 0xca272bb900000000, 0x0f1ba68000000000, 0x4c0fdd9700000000, + 0x4803c7b800000000, 0x0b17bcaf00000000, 0xce2b319600000000, + 0x8d3f4a8100000000, 0x44522be500000000, 0x074650f200000000, + 0xc27addcb00000000, 0x816ea6dc00000000, 0x50a11f0300000000, + 0x13b5641400000000, 0xd689e92d00000000, 0x959d923a00000000, + 0x5cf0f35e00000000, 0x1fe4884900000000, 0xdad8057000000000, + 0x99cc7e6700000000, 0x3941071400000000, 0x7a557c0300000000, + 0xbf69f13a00000000, 0xfc7d8a2d00000000, 0x3510eb4900000000, + 0x7604905e00000000, 0xb3381d6700000000, 0xf02c667000000000, + 0x21e3dfaf00000000, 0x62f7a4b800000000, 0xa7cb298100000000, + 0xe4df529600000000, 0x2db233f200000000, 0x6ea648e500000000, + 0xab9ac5dc00000000, 0xe88ebecb00000000, 0xeb81363a00000000, + 0xa8954d2d00000000, 0x6da9c01400000000, 0x2ebdbb0300000000, + 0xe7d0da6700000000, 0xa4c4a17000000000, 0x61f82c4900000000, + 0x22ec575e00000000, 0xf323ee8100000000, 0xb037959600000000, + 0x750b18af00000000, 0x361f63b800000000, 0xff7202dc00000000, + 0xbc6679cb00000000, 0x795af4f200000000, 0x3a4e8fe500000000, + 0x9ac3f69600000000, 0xd9d78d8100000000, 0x1ceb00b800000000, + 0x5fff7baf00000000, 0x96921acb00000000, 0xd58661dc00000000, + 0x10baece500000000, 0x53ae97f200000000, 0x82612e2d00000000, + 0xc175553a00000000, 0x0449d80300000000, 0x475da31400000000, + 0x8e30c27000000000, 0xcd24b96700000000, 0x0818345e00000000, + 0x4b0c4f4900000000}, + {0x0000000000000000, 0x3e6bc2ef00000000, 0x3dd0f50400000000, + 0x03bb37eb00000000, 0x7aa0eb0900000000, 0x44cb29e600000000, + 0x47701e0d00000000, 0x791bdce200000000, 0xf440d71300000000, + 0xca2b15fc00000000, 0xc990221700000000, 0xf7fbe0f800000000, + 0x8ee03c1a00000000, 0xb08bfef500000000, 0xb330c91e00000000, + 0x8d5b0bf100000000, 0xe881ae2700000000, 0xd6ea6cc800000000, + 0xd5515b2300000000, 0xeb3a99cc00000000, 0x9221452e00000000, + 0xac4a87c100000000, 0xaff1b02a00000000, 0x919a72c500000000, + 0x1cc1793400000000, 0x22aabbdb00000000, 0x21118c3000000000, + 0x1f7a4edf00000000, 0x6661923d00000000, 0x580a50d200000000, + 0x5bb1673900000000, 0x65daa5d600000000, 0xd0035d4f00000000, + 0xee689fa000000000, 0xedd3a84b00000000, 0xd3b86aa400000000, + 0xaaa3b64600000000, 0x94c874a900000000, 0x9773434200000000, + 0xa91881ad00000000, 0x24438a5c00000000, 0x1a2848b300000000, + 0x19937f5800000000, 0x27f8bdb700000000, 0x5ee3615500000000, + 0x6088a3ba00000000, 0x6333945100000000, 0x5d5856be00000000, + 0x3882f36800000000, 0x06e9318700000000, 0x0552066c00000000, + 0x3b39c48300000000, 0x4222186100000000, 0x7c49da8e00000000, + 0x7ff2ed6500000000, 0x41992f8a00000000, 0xccc2247b00000000, + 0xf2a9e69400000000, 0xf112d17f00000000, 0xcf79139000000000, + 0xb662cf7200000000, 0x88090d9d00000000, 0x8bb23a7600000000, + 0xb5d9f89900000000, 0xa007ba9e00000000, 0x9e6c787100000000, + 0x9dd74f9a00000000, 0xa3bc8d7500000000, 0xdaa7519700000000, + 0xe4cc937800000000, 0xe777a49300000000, 0xd91c667c00000000, + 0x54476d8d00000000, 0x6a2caf6200000000, 0x6997988900000000, + 0x57fc5a6600000000, 0x2ee7868400000000, 0x108c446b00000000, + 0x1337738000000000, 0x2d5cb16f00000000, 0x488614b900000000, + 0x76edd65600000000, 0x7556e1bd00000000, 0x4b3d235200000000, + 0x3226ffb000000000, 0x0c4d3d5f00000000, 0x0ff60ab400000000, + 0x319dc85b00000000, 0xbcc6c3aa00000000, 0x82ad014500000000, + 0x811636ae00000000, 0xbf7df44100000000, 0xc66628a300000000, + 0xf80dea4c00000000, 0xfbb6dda700000000, 0xc5dd1f4800000000, + 0x7004e7d100000000, 0x4e6f253e00000000, 0x4dd412d500000000, + 0x73bfd03a00000000, 0x0aa40cd800000000, 0x34cfce3700000000, + 0x3774f9dc00000000, 0x091f3b3300000000, 0x844430c200000000, + 0xba2ff22d00000000, 0xb994c5c600000000, 0x87ff072900000000, + 0xfee4dbcb00000000, 0xc08f192400000000, 0xc3342ecf00000000, + 0xfd5fec2000000000, 0x988549f600000000, 0xa6ee8b1900000000, + 0xa555bcf200000000, 0x9b3e7e1d00000000, 0xe225a2ff00000000, + 0xdc4e601000000000, 0xdff557fb00000000, 0xe19e951400000000, + 0x6cc59ee500000000, 0x52ae5c0a00000000, 0x51156be100000000, + 0x6f7ea90e00000000, 0x166575ec00000000, 0x280eb70300000000, + 0x2bb580e800000000, 0x15de420700000000, 0x010905e600000000, + 0x3f62c70900000000, 0x3cd9f0e200000000, 0x02b2320d00000000, + 0x7ba9eeef00000000, 0x45c22c0000000000, 0x46791beb00000000, + 0x7812d90400000000, 0xf549d2f500000000, 0xcb22101a00000000, + 0xc89927f100000000, 0xf6f2e51e00000000, 0x8fe939fc00000000, + 0xb182fb1300000000, 0xb239ccf800000000, 0x8c520e1700000000, + 0xe988abc100000000, 0xd7e3692e00000000, 0xd4585ec500000000, + 0xea339c2a00000000, 0x932840c800000000, 0xad43822700000000, + 0xaef8b5cc00000000, 0x9093772300000000, 0x1dc87cd200000000, + 0x23a3be3d00000000, 0x201889d600000000, 0x1e734b3900000000, + 0x676897db00000000, 0x5903553400000000, 0x5ab862df00000000, + 0x64d3a03000000000, 0xd10a58a900000000, 0xef619a4600000000, + 0xecdaadad00000000, 0xd2b16f4200000000, 0xabaab3a000000000, + 0x95c1714f00000000, 0x967a46a400000000, 0xa811844b00000000, + 0x254a8fba00000000, 0x1b214d5500000000, 0x189a7abe00000000, + 0x26f1b85100000000, 0x5fea64b300000000, 0x6181a65c00000000, + 0x623a91b700000000, 0x5c51535800000000, 0x398bf68e00000000, + 0x07e0346100000000, 0x045b038a00000000, 0x3a30c16500000000, + 0x432b1d8700000000, 0x7d40df6800000000, 0x7efbe88300000000, + 0x40902a6c00000000, 0xcdcb219d00000000, 0xf3a0e37200000000, + 0xf01bd49900000000, 0xce70167600000000, 0xb76bca9400000000, + 0x8900087b00000000, 0x8abb3f9000000000, 0xb4d0fd7f00000000, + 0xa10ebf7800000000, 0x9f657d9700000000, 0x9cde4a7c00000000, + 0xa2b5889300000000, 0xdbae547100000000, 0xe5c5969e00000000, + 0xe67ea17500000000, 0xd815639a00000000, 0x554e686b00000000, + 0x6b25aa8400000000, 0x689e9d6f00000000, 0x56f55f8000000000, + 0x2fee836200000000, 0x1185418d00000000, 0x123e766600000000, + 0x2c55b48900000000, 0x498f115f00000000, 0x77e4d3b000000000, + 0x745fe45b00000000, 0x4a3426b400000000, 0x332ffa5600000000, + 0x0d4438b900000000, 0x0eff0f5200000000, 0x3094cdbd00000000, + 0xbdcfc64c00000000, 0x83a404a300000000, 0x801f334800000000, + 0xbe74f1a700000000, 0xc76f2d4500000000, 0xf904efaa00000000, + 0xfabfd84100000000, 0xc4d41aae00000000, 0x710de23700000000, + 0x4f6620d800000000, 0x4cdd173300000000, 0x72b6d5dc00000000, + 0x0bad093e00000000, 0x35c6cbd100000000, 0x367dfc3a00000000, + 0x08163ed500000000, 0x854d352400000000, 0xbb26f7cb00000000, + 0xb89dc02000000000, 0x86f602cf00000000, 0xffedde2d00000000, + 0xc1861cc200000000, 0xc23d2b2900000000, 0xfc56e9c600000000, + 0x998c4c1000000000, 0xa7e78eff00000000, 0xa45cb91400000000, + 0x9a377bfb00000000, 0xe32ca71900000000, 0xdd4765f600000000, + 0xdefc521d00000000, 0xe09790f200000000, 0x6dcc9b0300000000, + 0x53a759ec00000000, 0x501c6e0700000000, 0x6e77ace800000000, + 0x176c700a00000000, 0x2907b2e500000000, 0x2abc850e00000000, + 0x14d747e100000000}, + {0x0000000000000000, 0xc0df8ec100000000, 0xc1b96c5800000000, + 0x0166e29900000000, 0x8273d9b000000000, 0x42ac577100000000, + 0x43cab5e800000000, 0x83153b2900000000, 0x45e1c3ba00000000, + 0x853e4d7b00000000, 0x8458afe200000000, 0x4487212300000000, + 0xc7921a0a00000000, 0x074d94cb00000000, 0x062b765200000000, + 0xc6f4f89300000000, 0xcbc4f6ae00000000, 0x0b1b786f00000000, + 0x0a7d9af600000000, 0xcaa2143700000000, 0x49b72f1e00000000, + 0x8968a1df00000000, 0x880e434600000000, 0x48d1cd8700000000, + 0x8e25351400000000, 0x4efabbd500000000, 0x4f9c594c00000000, + 0x8f43d78d00000000, 0x0c56eca400000000, 0xcc89626500000000, + 0xcdef80fc00000000, 0x0d300e3d00000000, 0xd78f9c8600000000, + 0x1750124700000000, 0x1636f0de00000000, 0xd6e97e1f00000000, + 0x55fc453600000000, 0x9523cbf700000000, 0x9445296e00000000, + 0x549aa7af00000000, 0x926e5f3c00000000, 0x52b1d1fd00000000, + 0x53d7336400000000, 0x9308bda500000000, 0x101d868c00000000, + 0xd0c2084d00000000, 0xd1a4ead400000000, 0x117b641500000000, + 0x1c4b6a2800000000, 0xdc94e4e900000000, 0xddf2067000000000, + 0x1d2d88b100000000, 0x9e38b39800000000, 0x5ee73d5900000000, + 0x5f81dfc000000000, 0x9f5e510100000000, 0x59aaa99200000000, + 0x9975275300000000, 0x9813c5ca00000000, 0x58cc4b0b00000000, + 0xdbd9702200000000, 0x1b06fee300000000, 0x1a601c7a00000000, + 0xdabf92bb00000000, 0xef1948d600000000, 0x2fc6c61700000000, + 0x2ea0248e00000000, 0xee7faa4f00000000, 0x6d6a916600000000, + 0xadb51fa700000000, 0xacd3fd3e00000000, 0x6c0c73ff00000000, + 0xaaf88b6c00000000, 0x6a2705ad00000000, 0x6b41e73400000000, + 0xab9e69f500000000, 0x288b52dc00000000, 0xe854dc1d00000000, + 0xe9323e8400000000, 0x29edb04500000000, 0x24ddbe7800000000, + 0xe40230b900000000, 0xe564d22000000000, 0x25bb5ce100000000, + 0xa6ae67c800000000, 0x6671e90900000000, 0x67170b9000000000, + 0xa7c8855100000000, 0x613c7dc200000000, 0xa1e3f30300000000, + 0xa085119a00000000, 0x605a9f5b00000000, 0xe34fa47200000000, + 0x23902ab300000000, 0x22f6c82a00000000, 0xe22946eb00000000, + 0x3896d45000000000, 0xf8495a9100000000, 0xf92fb80800000000, + 0x39f036c900000000, 0xbae50de000000000, 0x7a3a832100000000, + 0x7b5c61b800000000, 0xbb83ef7900000000, 0x7d7717ea00000000, + 0xbda8992b00000000, 0xbcce7bb200000000, 0x7c11f57300000000, + 0xff04ce5a00000000, 0x3fdb409b00000000, 0x3ebda20200000000, + 0xfe622cc300000000, 0xf35222fe00000000, 0x338dac3f00000000, + 0x32eb4ea600000000, 0xf234c06700000000, 0x7121fb4e00000000, + 0xb1fe758f00000000, 0xb098971600000000, 0x704719d700000000, + 0xb6b3e14400000000, 0x766c6f8500000000, 0x770a8d1c00000000, + 0xb7d503dd00000000, 0x34c038f400000000, 0xf41fb63500000000, + 0xf57954ac00000000, 0x35a6da6d00000000, 0x9f35e17700000000, + 0x5fea6fb600000000, 0x5e8c8d2f00000000, 0x9e5303ee00000000, + 0x1d4638c700000000, 0xdd99b60600000000, 0xdcff549f00000000, + 0x1c20da5e00000000, 0xdad422cd00000000, 0x1a0bac0c00000000, + 0x1b6d4e9500000000, 0xdbb2c05400000000, 0x58a7fb7d00000000, + 0x987875bc00000000, 0x991e972500000000, 0x59c119e400000000, + 0x54f117d900000000, 0x942e991800000000, 0x95487b8100000000, + 0x5597f54000000000, 0xd682ce6900000000, 0x165d40a800000000, + 0x173ba23100000000, 0xd7e42cf000000000, 0x1110d46300000000, + 0xd1cf5aa200000000, 0xd0a9b83b00000000, 0x107636fa00000000, + 0x93630dd300000000, 0x53bc831200000000, 0x52da618b00000000, + 0x9205ef4a00000000, 0x48ba7df100000000, 0x8865f33000000000, + 0x890311a900000000, 0x49dc9f6800000000, 0xcac9a44100000000, + 0x0a162a8000000000, 0x0b70c81900000000, 0xcbaf46d800000000, + 0x0d5bbe4b00000000, 0xcd84308a00000000, 0xcce2d21300000000, + 0x0c3d5cd200000000, 0x8f2867fb00000000, 0x4ff7e93a00000000, + 0x4e910ba300000000, 0x8e4e856200000000, 0x837e8b5f00000000, + 0x43a1059e00000000, 0x42c7e70700000000, 0x821869c600000000, + 0x010d52ef00000000, 0xc1d2dc2e00000000, 0xc0b43eb700000000, + 0x006bb07600000000, 0xc69f48e500000000, 0x0640c62400000000, + 0x072624bd00000000, 0xc7f9aa7c00000000, 0x44ec915500000000, + 0x84331f9400000000, 0x8555fd0d00000000, 0x458a73cc00000000, + 0x702ca9a100000000, 0xb0f3276000000000, 0xb195c5f900000000, + 0x714a4b3800000000, 0xf25f701100000000, 0x3280fed000000000, + 0x33e61c4900000000, 0xf339928800000000, 0x35cd6a1b00000000, + 0xf512e4da00000000, 0xf474064300000000, 0x34ab888200000000, + 0xb7beb3ab00000000, 0x77613d6a00000000, 0x7607dff300000000, + 0xb6d8513200000000, 0xbbe85f0f00000000, 0x7b37d1ce00000000, + 0x7a51335700000000, 0xba8ebd9600000000, 0x399b86bf00000000, + 0xf944087e00000000, 0xf822eae700000000, 0x38fd642600000000, + 0xfe099cb500000000, 0x3ed6127400000000, 0x3fb0f0ed00000000, + 0xff6f7e2c00000000, 0x7c7a450500000000, 0xbca5cbc400000000, + 0xbdc3295d00000000, 0x7d1ca79c00000000, 0xa7a3352700000000, + 0x677cbbe600000000, 0x661a597f00000000, 0xa6c5d7be00000000, + 0x25d0ec9700000000, 0xe50f625600000000, 0xe46980cf00000000, + 0x24b60e0e00000000, 0xe242f69d00000000, 0x229d785c00000000, + 0x23fb9ac500000000, 0xe324140400000000, 0x60312f2d00000000, + 0xa0eea1ec00000000, 0xa188437500000000, 0x6157cdb400000000, + 0x6c67c38900000000, 0xacb84d4800000000, 0xaddeafd100000000, + 0x6d01211000000000, 0xee141a3900000000, 0x2ecb94f800000000, + 0x2fad766100000000, 0xef72f8a000000000, 0x2986003300000000, + 0xe9598ef200000000, 0xe83f6c6b00000000, 0x28e0e2aa00000000, + 0xabf5d98300000000, 0x6b2a574200000000, 0x6a4cb5db00000000, + 0xaa933b1a00000000}, + {0x0000000000000000, 0x6f4ca59b00000000, 0x9f9e3bec00000000, + 0xf0d29e7700000000, 0x7f3b060300000000, 0x1077a39800000000, + 0xe0a53def00000000, 0x8fe9987400000000, 0xfe760c0600000000, + 0x913aa99d00000000, 0x61e837ea00000000, 0x0ea4927100000000, + 0x814d0a0500000000, 0xee01af9e00000000, 0x1ed331e900000000, + 0x719f947200000000, 0xfced180c00000000, 0x93a1bd9700000000, + 0x637323e000000000, 0x0c3f867b00000000, 0x83d61e0f00000000, + 0xec9abb9400000000, 0x1c4825e300000000, 0x7304807800000000, + 0x029b140a00000000, 0x6dd7b19100000000, 0x9d052fe600000000, + 0xf2498a7d00000000, 0x7da0120900000000, 0x12ecb79200000000, + 0xe23e29e500000000, 0x8d728c7e00000000, 0xf8db311800000000, + 0x9797948300000000, 0x67450af400000000, 0x0809af6f00000000, + 0x87e0371b00000000, 0xe8ac928000000000, 0x187e0cf700000000, + 0x7732a96c00000000, 0x06ad3d1e00000000, 0x69e1988500000000, + 0x993306f200000000, 0xf67fa36900000000, 0x79963b1d00000000, + 0x16da9e8600000000, 0xe60800f100000000, 0x8944a56a00000000, + 0x0436291400000000, 0x6b7a8c8f00000000, 0x9ba812f800000000, + 0xf4e4b76300000000, 0x7b0d2f1700000000, 0x14418a8c00000000, + 0xe49314fb00000000, 0x8bdfb16000000000, 0xfa40251200000000, + 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0x3fdb2e0a00000000, 0xe4fe4f7600000000, + 0x921f40eb00000000, 0x52b58d8e00000000, 0x2454821300000000, + 0xff71e36f00000000, 0x8990ecf200000000, 0xcb60ae0f00000000, + 0xbd81a19200000000, 0x66a4c0ee00000000, 0x1045cf7300000000, + 0xd0ef021600000000, 0xa60e0d8b00000000, 0x7d2b6cf700000000, + 0x0bca636a00000000, 0xfd7ef73c00000000, 0x8b9ff8a100000000, + 0x50ba99dd00000000, 0x265b964000000000, 0xe6f15b2500000000, + 0x901054b800000000, 0x4b3535c400000000, 0x3dd43a5900000000, + 0xa75c1c6900000000, 0xd1bd13f400000000, 0x0a98728800000000, + 0x7c797d1500000000, 0xbcd3b07000000000, 0xca32bfed00000000, + 0x1117de9100000000, 0x67f6d10c00000000, 0x9142455a00000000, + 0xe7a34ac700000000, 0x3c862bbb00000000, 0x4a67242600000000, + 0x8acde94300000000, 0xfc2ce6de00000000, 0x270987a200000000, + 0x51e8883f00000000}, + {0x0000000000000000, 0xe8dbfbb900000000, 0x91b186a800000000, + 0x796a7d1100000000, 0x63657c8a00000000, 0x8bbe873300000000, + 0xf2d4fa2200000000, 0x1a0f019b00000000, 0x87cc89cf00000000, + 0x6f17727600000000, 0x167d0f6700000000, 0xfea6f4de00000000, + 0xe4a9f54500000000, 0x0c720efc00000000, 0x751873ed00000000, + 0x9dc3885400000000, 0x4f9f624400000000, 0xa74499fd00000000, + 0xde2ee4ec00000000, 0x36f51f5500000000, 0x2cfa1ece00000000, + 0xc421e57700000000, 0xbd4b986600000000, 0x559063df00000000, + 0xc853eb8b00000000, 0x2088103200000000, 0x59e26d2300000000, + 0xb139969a00000000, 0xab36970100000000, 0x43ed6cb800000000, + 0x3a8711a900000000, 0xd25cea1000000000, 0x9e3ec58800000000, + 0x76e53e3100000000, 0x0f8f432000000000, 0xe754b89900000000, + 0xfd5bb90200000000, 0x158042bb00000000, 0x6cea3faa00000000, + 0x8431c41300000000, 0x19f24c4700000000, 0xf129b7fe00000000, + 0x8843caef00000000, 0x6098315600000000, 0x7a9730cd00000000, + 0x924ccb7400000000, 0xeb26b66500000000, 0x03fd4ddc00000000, + 0xd1a1a7cc00000000, 0x397a5c7500000000, 0x4010216400000000, + 0xa8cbdadd00000000, 0xb2c4db4600000000, 0x5a1f20ff00000000, + 0x23755dee00000000, 0xcbaea65700000000, 0x566d2e0300000000, + 0xbeb6d5ba00000000, 0xc7dca8ab00000000, 0x2f07531200000000, + 0x3508528900000000, 0xddd3a93000000000, 0xa4b9d42100000000, + 0x4c622f9800000000, 0x7d7bfbca00000000, 0x95a0007300000000, + 0xecca7d6200000000, 0x041186db00000000, 0x1e1e874000000000, + 0xf6c57cf900000000, 0x8faf01e800000000, 0x6774fa5100000000, + 0xfab7720500000000, 0x126c89bc00000000, 0x6b06f4ad00000000, + 0x83dd0f1400000000, 0x99d20e8f00000000, 0x7109f53600000000, + 0x0863882700000000, 0xe0b8739e00000000, 0x32e4998e00000000, + 0xda3f623700000000, 0xa3551f2600000000, 0x4b8ee49f00000000, + 0x5181e50400000000, 0xb95a1ebd00000000, 0xc03063ac00000000, + 0x28eb981500000000, 0xb528104100000000, 0x5df3ebf800000000, + 0x249996e900000000, 0xcc426d5000000000, 0xd64d6ccb00000000, + 0x3e96977200000000, 0x47fcea6300000000, 0xaf2711da00000000, + 0xe3453e4200000000, 0x0b9ec5fb00000000, 0x72f4b8ea00000000, + 0x9a2f435300000000, 0x802042c800000000, 0x68fbb97100000000, + 0x1191c46000000000, 0xf94a3fd900000000, 0x6489b78d00000000, + 0x8c524c3400000000, 0xf538312500000000, 0x1de3ca9c00000000, + 0x07eccb0700000000, 0xef3730be00000000, 0x965d4daf00000000, + 0x7e86b61600000000, 0xacda5c0600000000, 0x4401a7bf00000000, + 0x3d6bdaae00000000, 0xd5b0211700000000, 0xcfbf208c00000000, + 0x2764db3500000000, 0x5e0ea62400000000, 0xb6d55d9d00000000, + 0x2b16d5c900000000, 0xc3cd2e7000000000, 0xbaa7536100000000, + 0x527ca8d800000000, 0x4873a94300000000, 0xa0a852fa00000000, + 0xd9c22feb00000000, 0x3119d45200000000, 0xbbf0874e00000000, + 0x532b7cf700000000, 0x2a4101e600000000, 0xc29afa5f00000000, + 0xd895fbc400000000, 0x304e007d00000000, 0x49247d6c00000000, + 0xa1ff86d500000000, 0x3c3c0e8100000000, 0xd4e7f53800000000, + 0xad8d882900000000, 0x4556739000000000, 0x5f59720b00000000, + 0xb78289b200000000, 0xcee8f4a300000000, 0x26330f1a00000000, + 0xf46fe50a00000000, 0x1cb41eb300000000, 0x65de63a200000000, + 0x8d05981b00000000, 0x970a998000000000, 0x7fd1623900000000, + 0x06bb1f2800000000, 0xee60e49100000000, 0x73a36cc500000000, + 0x9b78977c00000000, 0xe212ea6d00000000, 0x0ac911d400000000, + 0x10c6104f00000000, 0xf81debf600000000, 0x817796e700000000, + 0x69ac6d5e00000000, 0x25ce42c600000000, 0xcd15b97f00000000, + 0xb47fc46e00000000, 0x5ca43fd700000000, 0x46ab3e4c00000000, + 0xae70c5f500000000, 0xd71ab8e400000000, 0x3fc1435d00000000, + 0xa202cb0900000000, 0x4ad930b000000000, 0x33b34da100000000, + 0xdb68b61800000000, 0xc167b78300000000, 0x29bc4c3a00000000, + 0x50d6312b00000000, 0xb80dca9200000000, 0x6a51208200000000, + 0x828adb3b00000000, 0xfbe0a62a00000000, 0x133b5d9300000000, + 0x09345c0800000000, 0xe1efa7b100000000, 0x9885daa000000000, + 0x705e211900000000, 0xed9da94d00000000, 0x054652f400000000, + 0x7c2c2fe500000000, 0x94f7d45c00000000, 0x8ef8d5c700000000, + 0x66232e7e00000000, 0x1f49536f00000000, 0xf792a8d600000000, + 0xc68b7c8400000000, 0x2e50873d00000000, 0x573afa2c00000000, + 0xbfe1019500000000, 0xa5ee000e00000000, 0x4d35fbb700000000, + 0x345f86a600000000, 0xdc847d1f00000000, 0x4147f54b00000000, + 0xa99c0ef200000000, 0xd0f673e300000000, 0x382d885a00000000, + 0x222289c100000000, 0xcaf9727800000000, 0xb3930f6900000000, + 0x5b48f4d000000000, 0x89141ec000000000, 0x61cfe57900000000, + 0x18a5986800000000, 0xf07e63d100000000, 0xea71624a00000000, + 0x02aa99f300000000, 0x7bc0e4e200000000, 0x931b1f5b00000000, + 0x0ed8970f00000000, 0xe6036cb600000000, 0x9f6911a700000000, + 0x77b2ea1e00000000, 0x6dbdeb8500000000, 0x8566103c00000000, + 0xfc0c6d2d00000000, 0x14d7969400000000, 0x58b5b90c00000000, + 0xb06e42b500000000, 0xc9043fa400000000, 0x21dfc41d00000000, + 0x3bd0c58600000000, 0xd30b3e3f00000000, 0xaa61432e00000000, + 0x42bab89700000000, 0xdf7930c300000000, 0x37a2cb7a00000000, + 0x4ec8b66b00000000, 0xa6134dd200000000, 0xbc1c4c4900000000, + 0x54c7b7f000000000, 0x2dadcae100000000, 0xc576315800000000, + 0x172adb4800000000, 0xfff120f100000000, 0x869b5de000000000, + 0x6e40a65900000000, 0x744fa7c200000000, 0x9c945c7b00000000, + 0xe5fe216a00000000, 0x0d25dad300000000, 0x90e6528700000000, + 0x783da93e00000000, 0x0157d42f00000000, 0xe98c2f9600000000, + 0xf3832e0d00000000, 0x1b58d5b400000000, 0x6232a8a500000000, + 0x8ae9531c00000000}, + {0x0000000000000000, 0x919168ae00000000, 0x6325a08700000000, + 0xf2b4c82900000000, 0x874c31d400000000, 0x16dd597a00000000, + 0xe469915300000000, 0x75f8f9fd00000000, 0x4f9f137300000000, + 0xde0e7bdd00000000, 0x2cbab3f400000000, 0xbd2bdb5a00000000, + 0xc8d322a700000000, 0x59424a0900000000, 0xabf6822000000000, + 0x3a67ea8e00000000, 0x9e3e27e600000000, 0x0faf4f4800000000, + 0xfd1b876100000000, 0x6c8aefcf00000000, 0x1972163200000000, + 0x88e37e9c00000000, 0x7a57b6b500000000, 0xebc6de1b00000000, + 0xd1a1349500000000, 0x40305c3b00000000, 0xb284941200000000, + 0x2315fcbc00000000, 0x56ed054100000000, 0xc77c6def00000000, + 0x35c8a5c600000000, 0xa459cd6800000000, 0x7d7b3f1700000000, + 0xecea57b900000000, 0x1e5e9f9000000000, 0x8fcff73e00000000, + 0xfa370ec300000000, 0x6ba6666d00000000, 0x9912ae4400000000, + 0x0883c6ea00000000, 0x32e42c6400000000, 0xa37544ca00000000, + 0x51c18ce300000000, 0xc050e44d00000000, 0xb5a81db000000000, + 0x2439751e00000000, 0xd68dbd3700000000, 0x471cd59900000000, + 0xe34518f100000000, 0x72d4705f00000000, 0x8060b87600000000, + 0x11f1d0d800000000, 0x6409292500000000, 0xf598418b00000000, + 0x072c89a200000000, 0x96bde10c00000000, 0xacda0b8200000000, + 0x3d4b632c00000000, 0xcfffab0500000000, 0x5e6ec3ab00000000, + 0x2b963a5600000000, 0xba0752f800000000, 0x48b39ad100000000, + 0xd922f27f00000000, 0xfaf67e2e00000000, 0x6b67168000000000, + 0x99d3dea900000000, 0x0842b60700000000, 0x7dba4ffa00000000, + 0xec2b275400000000, 0x1e9fef7d00000000, 0x8f0e87d300000000, + 0xb5696d5d00000000, 0x24f805f300000000, 0xd64ccdda00000000, + 0x47dda57400000000, 0x32255c8900000000, 0xa3b4342700000000, + 0x5100fc0e00000000, 0xc09194a000000000, 0x64c859c800000000, + 0xf559316600000000, 0x07edf94f00000000, 0x967c91e100000000, + 0xe384681c00000000, 0x721500b200000000, 0x80a1c89b00000000, + 0x1130a03500000000, 0x2b574abb00000000, 0xbac6221500000000, + 0x4872ea3c00000000, 0xd9e3829200000000, 0xac1b7b6f00000000, + 0x3d8a13c100000000, 0xcf3edbe800000000, 0x5eafb34600000000, + 0x878d413900000000, 0x161c299700000000, 0xe4a8e1be00000000, + 0x7539891000000000, 0x00c170ed00000000, 0x9150184300000000, + 0x63e4d06a00000000, 0xf275b8c400000000, 0xc812524a00000000, + 0x59833ae400000000, 0xab37f2cd00000000, 0x3aa69a6300000000, + 0x4f5e639e00000000, 0xdecf0b3000000000, 0x2c7bc31900000000, + 0xbdeaabb700000000, 0x19b366df00000000, 0x88220e7100000000, + 0x7a96c65800000000, 0xeb07aef600000000, 0x9eff570b00000000, + 0x0f6e3fa500000000, 0xfddaf78c00000000, 0x6c4b9f2200000000, + 0x562c75ac00000000, 0xc7bd1d0200000000, 0x3509d52b00000000, + 0xa498bd8500000000, 0xd160447800000000, 0x40f12cd600000000, + 0xb245e4ff00000000, 0x23d48c5100000000, 0xf4edfd5c00000000, + 0x657c95f200000000, 0x97c85ddb00000000, 0x0659357500000000, + 0x73a1cc8800000000, 0xe230a42600000000, 0x10846c0f00000000, + 0x811504a100000000, 0xbb72ee2f00000000, 0x2ae3868100000000, + 0xd8574ea800000000, 0x49c6260600000000, 0x3c3edffb00000000, + 0xadafb75500000000, 0x5f1b7f7c00000000, 0xce8a17d200000000, + 0x6ad3daba00000000, 0xfb42b21400000000, 0x09f67a3d00000000, + 0x9867129300000000, 0xed9feb6e00000000, 0x7c0e83c000000000, + 0x8eba4be900000000, 0x1f2b234700000000, 0x254cc9c900000000, + 0xb4dda16700000000, 0x4669694e00000000, 0xd7f801e000000000, + 0xa200f81d00000000, 0x339190b300000000, 0xc125589a00000000, + 0x50b4303400000000, 0x8996c24b00000000, 0x1807aae500000000, + 0xeab362cc00000000, 0x7b220a6200000000, 0x0edaf39f00000000, + 0x9f4b9b3100000000, 0x6dff531800000000, 0xfc6e3bb600000000, + 0xc609d13800000000, 0x5798b99600000000, 0xa52c71bf00000000, + 0x34bd191100000000, 0x4145e0ec00000000, 0xd0d4884200000000, + 0x2260406b00000000, 0xb3f128c500000000, 0x17a8e5ad00000000, + 0x86398d0300000000, 0x748d452a00000000, 0xe51c2d8400000000, + 0x90e4d47900000000, 0x0175bcd700000000, 0xf3c174fe00000000, + 0x62501c5000000000, 0x5837f6de00000000, 0xc9a69e7000000000, + 0x3b12565900000000, 0xaa833ef700000000, 0xdf7bc70a00000000, + 0x4eeaafa400000000, 0xbc5e678d00000000, 0x2dcf0f2300000000, + 0x0e1b837200000000, 0x9f8aebdc00000000, 0x6d3e23f500000000, + 0xfcaf4b5b00000000, 0x8957b2a600000000, 0x18c6da0800000000, + 0xea72122100000000, 0x7be37a8f00000000, 0x4184900100000000, + 0xd015f8af00000000, 0x22a1308600000000, 0xb330582800000000, + 0xc6c8a1d500000000, 0x5759c97b00000000, 0xa5ed015200000000, + 0x347c69fc00000000, 0x9025a49400000000, 0x01b4cc3a00000000, + 0xf300041300000000, 0x62916cbd00000000, 0x1769954000000000, + 0x86f8fdee00000000, 0x744c35c700000000, 0xe5dd5d6900000000, + 0xdfbab7e700000000, 0x4e2bdf4900000000, 0xbc9f176000000000, + 0x2d0e7fce00000000, 0x58f6863300000000, 0xc967ee9d00000000, + 0x3bd326b400000000, 0xaa424e1a00000000, 0x7360bc6500000000, + 0xe2f1d4cb00000000, 0x10451ce200000000, 0x81d4744c00000000, + 0xf42c8db100000000, 0x65bde51f00000000, 0x97092d3600000000, + 0x0698459800000000, 0x3cffaf1600000000, 0xad6ec7b800000000, + 0x5fda0f9100000000, 0xce4b673f00000000, 0xbbb39ec200000000, + 0x2a22f66c00000000, 0xd8963e4500000000, 0x490756eb00000000, + 0xed5e9b8300000000, 0x7ccff32d00000000, 0x8e7b3b0400000000, + 0x1fea53aa00000000, 0x6a12aa5700000000, 0xfb83c2f900000000, + 0x09370ad000000000, 0x98a6627e00000000, 0xa2c188f000000000, + 0x3350e05e00000000, 0xc1e4287700000000, 0x507540d900000000, + 0x258db92400000000, 0xb41cd18a00000000, 0x46a819a300000000, + 0xd739710d00000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xccaa009e, 0x4225077d, 0x8e8f07e3, 0x844a0efa, + 0x48e00e64, 0xc66f0987, 0x0ac50919, 0xd3e51bb5, 0x1f4f1b2b, + 0x91c01cc8, 0x5d6a1c56, 0x57af154f, 0x9b0515d1, 0x158a1232, + 0xd92012ac, 0x7cbb312b, 0xb01131b5, 0x3e9e3656, 0xf23436c8, + 0xf8f13fd1, 0x345b3f4f, 0xbad438ac, 0x767e3832, 0xaf5e2a9e, + 0x63f42a00, 0xed7b2de3, 0x21d12d7d, 0x2b142464, 0xe7be24fa, + 0x69312319, 0xa59b2387, 0xf9766256, 0x35dc62c8, 0xbb53652b, + 0x77f965b5, 0x7d3c6cac, 0xb1966c32, 0x3f196bd1, 0xf3b36b4f, + 0x2a9379e3, 0xe639797d, 0x68b67e9e, 0xa41c7e00, 0xaed97719, + 0x62737787, 0xecfc7064, 0x205670fa, 0x85cd537d, 0x496753e3, + 0xc7e85400, 0x0b42549e, 0x01875d87, 0xcd2d5d19, 0x43a25afa, + 0x8f085a64, 0x562848c8, 0x9a824856, 0x140d4fb5, 0xd8a74f2b, + 0xd2624632, 0x1ec846ac, 0x9047414f, 0x5ced41d1, 0x299dc2ed, + 0xe537c273, 0x6bb8c590, 0xa712c50e, 0xadd7cc17, 0x617dcc89, + 0xeff2cb6a, 0x2358cbf4, 0xfa78d958, 0x36d2d9c6, 0xb85dde25, + 0x74f7debb, 0x7e32d7a2, 0xb298d73c, 0x3c17d0df, 0xf0bdd041, + 0x5526f3c6, 0x998cf358, 0x1703f4bb, 0xdba9f425, 0xd16cfd3c, + 0x1dc6fda2, 0x9349fa41, 0x5fe3fadf, 0x86c3e873, 0x4a69e8ed, + 0xc4e6ef0e, 0x084cef90, 0x0289e689, 0xce23e617, 0x40ace1f4, + 0x8c06e16a, 0xd0eba0bb, 0x1c41a025, 0x92cea7c6, 0x5e64a758, + 0x54a1ae41, 0x980baedf, 0x1684a93c, 0xda2ea9a2, 0x030ebb0e, + 0xcfa4bb90, 0x412bbc73, 0x8d81bced, 0x8744b5f4, 0x4beeb56a, + 0xc561b289, 0x09cbb217, 0xac509190, 0x60fa910e, 0xee7596ed, + 0x22df9673, 0x281a9f6a, 0xe4b09ff4, 0x6a3f9817, 0xa6959889, + 0x7fb58a25, 0xb31f8abb, 0x3d908d58, 0xf13a8dc6, 0xfbff84df, + 0x37558441, 0xb9da83a2, 0x7570833c, 0x533b85da, 0x9f918544, + 0x111e82a7, 0xddb48239, 0xd7718b20, 0x1bdb8bbe, 0x95548c5d, + 0x59fe8cc3, 0x80de9e6f, 0x4c749ef1, 0xc2fb9912, 0x0e51998c, + 0x04949095, 0xc83e900b, 0x46b197e8, 0x8a1b9776, 0x2f80b4f1, + 0xe32ab46f, 0x6da5b38c, 0xa10fb312, 0xabcaba0b, 0x6760ba95, + 0xe9efbd76, 0x2545bde8, 0xfc65af44, 0x30cfafda, 0xbe40a839, + 0x72eaa8a7, 0x782fa1be, 0xb485a120, 0x3a0aa6c3, 0xf6a0a65d, + 0xaa4de78c, 0x66e7e712, 0xe868e0f1, 0x24c2e06f, 0x2e07e976, + 0xe2ade9e8, 0x6c22ee0b, 0xa088ee95, 0x79a8fc39, 0xb502fca7, + 0x3b8dfb44, 0xf727fbda, 0xfde2f2c3, 0x3148f25d, 0xbfc7f5be, + 0x736df520, 0xd6f6d6a7, 0x1a5cd639, 0x94d3d1da, 0x5879d144, + 0x52bcd85d, 0x9e16d8c3, 0x1099df20, 0xdc33dfbe, 0x0513cd12, + 0xc9b9cd8c, 0x4736ca6f, 0x8b9ccaf1, 0x8159c3e8, 0x4df3c376, + 0xc37cc495, 0x0fd6c40b, 0x7aa64737, 0xb60c47a9, 0x3883404a, + 0xf42940d4, 0xfeec49cd, 0x32464953, 0xbcc94eb0, 0x70634e2e, + 0xa9435c82, 0x65e95c1c, 0xeb665bff, 0x27cc5b61, 0x2d095278, + 0xe1a352e6, 0x6f2c5505, 0xa386559b, 0x061d761c, 0xcab77682, + 0x44387161, 0x889271ff, 0x825778e6, 0x4efd7878, 0xc0727f9b, + 0x0cd87f05, 0xd5f86da9, 0x19526d37, 0x97dd6ad4, 0x5b776a4a, + 0x51b26353, 0x9d1863cd, 0x1397642e, 0xdf3d64b0, 0x83d02561, + 0x4f7a25ff, 0xc1f5221c, 0x0d5f2282, 0x079a2b9b, 0xcb302b05, + 0x45bf2ce6, 0x89152c78, 0x50353ed4, 0x9c9f3e4a, 0x121039a9, + 0xdeba3937, 0xd47f302e, 0x18d530b0, 0x965a3753, 0x5af037cd, + 0xff6b144a, 0x33c114d4, 0xbd4e1337, 0x71e413a9, 0x7b211ab0, + 0xb78b1a2e, 0x39041dcd, 0xf5ae1d53, 0x2c8e0fff, 0xe0240f61, + 0x6eab0882, 0xa201081c, 0xa8c40105, 0x646e019b, 0xeae10678, + 0x264b06e6}, + {0x00000000, 0xa6770bb4, 0x979f1129, 0x31e81a9d, 0xf44f2413, + 0x52382fa7, 0x63d0353a, 0xc5a73e8e, 0x33ef4e67, 0x959845d3, + 0xa4705f4e, 0x020754fa, 0xc7a06a74, 0x61d761c0, 0x503f7b5d, + 0xf64870e9, 0x67de9cce, 0xc1a9977a, 0xf0418de7, 0x56368653, + 0x9391b8dd, 0x35e6b369, 0x040ea9f4, 0xa279a240, 0x5431d2a9, + 0xf246d91d, 0xc3aec380, 0x65d9c834, 0xa07ef6ba, 0x0609fd0e, + 0x37e1e793, 0x9196ec27, 0xcfbd399c, 0x69ca3228, 0x582228b5, + 0xfe552301, 0x3bf21d8f, 0x9d85163b, 0xac6d0ca6, 0x0a1a0712, + 0xfc5277fb, 0x5a257c4f, 0x6bcd66d2, 0xcdba6d66, 0x081d53e8, + 0xae6a585c, 0x9f8242c1, 0x39f54975, 0xa863a552, 0x0e14aee6, + 0x3ffcb47b, 0x998bbfcf, 0x5c2c8141, 0xfa5b8af5, 0xcbb39068, + 0x6dc49bdc, 0x9b8ceb35, 0x3dfbe081, 0x0c13fa1c, 0xaa64f1a8, + 0x6fc3cf26, 0xc9b4c492, 0xf85cde0f, 0x5e2bd5bb, 0x440b7579, + 0xe27c7ecd, 0xd3946450, 0x75e36fe4, 0xb044516a, 0x16335ade, + 0x27db4043, 0x81ac4bf7, 0x77e43b1e, 0xd19330aa, 0xe07b2a37, + 0x460c2183, 0x83ab1f0d, 0x25dc14b9, 0x14340e24, 0xb2430590, + 0x23d5e9b7, 0x85a2e203, 0xb44af89e, 0x123df32a, 0xd79acda4, + 0x71edc610, 0x4005dc8d, 0xe672d739, 0x103aa7d0, 0xb64dac64, + 0x87a5b6f9, 0x21d2bd4d, 0xe47583c3, 0x42028877, 0x73ea92ea, + 0xd59d995e, 0x8bb64ce5, 0x2dc14751, 0x1c295dcc, 0xba5e5678, + 0x7ff968f6, 0xd98e6342, 0xe86679df, 0x4e11726b, 0xb8590282, + 0x1e2e0936, 0x2fc613ab, 0x89b1181f, 0x4c162691, 0xea612d25, + 0xdb8937b8, 0x7dfe3c0c, 0xec68d02b, 0x4a1fdb9f, 0x7bf7c102, + 0xdd80cab6, 0x1827f438, 0xbe50ff8c, 0x8fb8e511, 0x29cfeea5, + 0xdf879e4c, 0x79f095f8, 0x48188f65, 0xee6f84d1, 0x2bc8ba5f, + 0x8dbfb1eb, 0xbc57ab76, 0x1a20a0c2, 0x8816eaf2, 0x2e61e146, + 0x1f89fbdb, 0xb9fef06f, 0x7c59cee1, 0xda2ec555, 0xebc6dfc8, + 0x4db1d47c, 0xbbf9a495, 0x1d8eaf21, 0x2c66b5bc, 0x8a11be08, + 0x4fb68086, 0xe9c18b32, 0xd82991af, 0x7e5e9a1b, 0xefc8763c, + 0x49bf7d88, 0x78576715, 0xde206ca1, 0x1b87522f, 0xbdf0599b, + 0x8c184306, 0x2a6f48b2, 0xdc27385b, 0x7a5033ef, 0x4bb82972, + 0xedcf22c6, 0x28681c48, 0x8e1f17fc, 0xbff70d61, 0x198006d5, + 0x47abd36e, 0xe1dcd8da, 0xd034c247, 0x7643c9f3, 0xb3e4f77d, + 0x1593fcc9, 0x247be654, 0x820cede0, 0x74449d09, 0xd23396bd, + 0xe3db8c20, 0x45ac8794, 0x800bb91a, 0x267cb2ae, 0x1794a833, + 0xb1e3a387, 0x20754fa0, 0x86024414, 0xb7ea5e89, 0x119d553d, + 0xd43a6bb3, 0x724d6007, 0x43a57a9a, 0xe5d2712e, 0x139a01c7, + 0xb5ed0a73, 0x840510ee, 0x22721b5a, 0xe7d525d4, 0x41a22e60, + 0x704a34fd, 0xd63d3f49, 0xcc1d9f8b, 0x6a6a943f, 0x5b828ea2, + 0xfdf58516, 0x3852bb98, 0x9e25b02c, 0xafcdaab1, 0x09baa105, + 0xfff2d1ec, 0x5985da58, 0x686dc0c5, 0xce1acb71, 0x0bbdf5ff, + 0xadcafe4b, 0x9c22e4d6, 0x3a55ef62, 0xabc30345, 0x0db408f1, + 0x3c5c126c, 0x9a2b19d8, 0x5f8c2756, 0xf9fb2ce2, 0xc813367f, + 0x6e643dcb, 0x982c4d22, 0x3e5b4696, 0x0fb35c0b, 0xa9c457bf, + 0x6c636931, 0xca146285, 0xfbfc7818, 0x5d8b73ac, 0x03a0a617, + 0xa5d7ada3, 0x943fb73e, 0x3248bc8a, 0xf7ef8204, 0x519889b0, + 0x6070932d, 0xc6079899, 0x304fe870, 0x9638e3c4, 0xa7d0f959, + 0x01a7f2ed, 0xc400cc63, 0x6277c7d7, 0x539fdd4a, 0xf5e8d6fe, + 0x647e3ad9, 0xc209316d, 0xf3e12bf0, 0x55962044, 0x90311eca, + 0x3646157e, 0x07ae0fe3, 0xa1d90457, 0x579174be, 0xf1e67f0a, + 0xc00e6597, 0x66796e23, 0xa3de50ad, 0x05a95b19, 0x34414184, + 0x92364a30}, + {0x00000000, 0xcb5cd3a5, 0x4dc8a10b, 0x869472ae, 0x9b914216, + 0x50cd91b3, 0xd659e31d, 0x1d0530b8, 0xec53826d, 0x270f51c8, + 0xa19b2366, 0x6ac7f0c3, 0x77c2c07b, 0xbc9e13de, 0x3a0a6170, + 0xf156b2d5, 0x03d6029b, 0xc88ad13e, 0x4e1ea390, 0x85427035, + 0x9847408d, 0x531b9328, 0xd58fe186, 0x1ed33223, 0xef8580f6, + 0x24d95353, 0xa24d21fd, 0x6911f258, 0x7414c2e0, 0xbf481145, + 0x39dc63eb, 0xf280b04e, 0x07ac0536, 0xccf0d693, 0x4a64a43d, + 0x81387798, 0x9c3d4720, 0x57619485, 0xd1f5e62b, 0x1aa9358e, + 0xebff875b, 0x20a354fe, 0xa6372650, 0x6d6bf5f5, 0x706ec54d, + 0xbb3216e8, 0x3da66446, 0xf6fab7e3, 0x047a07ad, 0xcf26d408, + 0x49b2a6a6, 0x82ee7503, 0x9feb45bb, 0x54b7961e, 0xd223e4b0, + 0x197f3715, 0xe82985c0, 0x23755665, 0xa5e124cb, 0x6ebdf76e, + 0x73b8c7d6, 0xb8e41473, 0x3e7066dd, 0xf52cb578, 0x0f580a6c, + 0xc404d9c9, 0x4290ab67, 0x89cc78c2, 0x94c9487a, 0x5f959bdf, + 0xd901e971, 0x125d3ad4, 0xe30b8801, 0x28575ba4, 0xaec3290a, + 0x659ffaaf, 0x789aca17, 0xb3c619b2, 0x35526b1c, 0xfe0eb8b9, + 0x0c8e08f7, 0xc7d2db52, 0x4146a9fc, 0x8a1a7a59, 0x971f4ae1, + 0x5c439944, 0xdad7ebea, 0x118b384f, 0xe0dd8a9a, 0x2b81593f, + 0xad152b91, 0x6649f834, 0x7b4cc88c, 0xb0101b29, 0x36846987, + 0xfdd8ba22, 0x08f40f5a, 0xc3a8dcff, 0x453cae51, 0x8e607df4, + 0x93654d4c, 0x58399ee9, 0xdeadec47, 0x15f13fe2, 0xe4a78d37, + 0x2ffb5e92, 0xa96f2c3c, 0x6233ff99, 0x7f36cf21, 0xb46a1c84, + 0x32fe6e2a, 0xf9a2bd8f, 0x0b220dc1, 0xc07ede64, 0x46eaacca, + 0x8db67f6f, 0x90b34fd7, 0x5bef9c72, 0xdd7beedc, 0x16273d79, + 0xe7718fac, 0x2c2d5c09, 0xaab92ea7, 0x61e5fd02, 0x7ce0cdba, + 0xb7bc1e1f, 0x31286cb1, 0xfa74bf14, 0x1eb014d8, 0xd5ecc77d, + 0x5378b5d3, 0x98246676, 0x852156ce, 0x4e7d856b, 0xc8e9f7c5, + 0x03b52460, 0xf2e396b5, 0x39bf4510, 0xbf2b37be, 0x7477e41b, + 0x6972d4a3, 0xa22e0706, 0x24ba75a8, 0xefe6a60d, 0x1d661643, + 0xd63ac5e6, 0x50aeb748, 0x9bf264ed, 0x86f75455, 0x4dab87f0, + 0xcb3ff55e, 0x006326fb, 0xf135942e, 0x3a69478b, 0xbcfd3525, + 0x77a1e680, 0x6aa4d638, 0xa1f8059d, 0x276c7733, 0xec30a496, + 0x191c11ee, 0xd240c24b, 0x54d4b0e5, 0x9f886340, 0x828d53f8, + 0x49d1805d, 0xcf45f2f3, 0x04192156, 0xf54f9383, 0x3e134026, + 0xb8873288, 0x73dbe12d, 0x6eded195, 0xa5820230, 0x2316709e, + 0xe84aa33b, 0x1aca1375, 0xd196c0d0, 0x5702b27e, 0x9c5e61db, + 0x815b5163, 0x4a0782c6, 0xcc93f068, 0x07cf23cd, 0xf6999118, + 0x3dc542bd, 0xbb513013, 0x700de3b6, 0x6d08d30e, 0xa65400ab, + 0x20c07205, 0xeb9ca1a0, 0x11e81eb4, 0xdab4cd11, 0x5c20bfbf, + 0x977c6c1a, 0x8a795ca2, 0x41258f07, 0xc7b1fda9, 0x0ced2e0c, + 0xfdbb9cd9, 0x36e74f7c, 0xb0733dd2, 0x7b2fee77, 0x662adecf, + 0xad760d6a, 0x2be27fc4, 0xe0beac61, 0x123e1c2f, 0xd962cf8a, + 0x5ff6bd24, 0x94aa6e81, 0x89af5e39, 0x42f38d9c, 0xc467ff32, + 0x0f3b2c97, 0xfe6d9e42, 0x35314de7, 0xb3a53f49, 0x78f9ecec, + 0x65fcdc54, 0xaea00ff1, 0x28347d5f, 0xe368aefa, 0x16441b82, + 0xdd18c827, 0x5b8cba89, 0x90d0692c, 0x8dd55994, 0x46898a31, + 0xc01df89f, 0x0b412b3a, 0xfa1799ef, 0x314b4a4a, 0xb7df38e4, + 0x7c83eb41, 0x6186dbf9, 0xaada085c, 0x2c4e7af2, 0xe712a957, + 0x15921919, 0xdececabc, 0x585ab812, 0x93066bb7, 0x8e035b0f, + 0x455f88aa, 0xc3cbfa04, 0x089729a1, 0xf9c19b74, 0x329d48d1, + 0xb4093a7f, 0x7f55e9da, 0x6250d962, 0xa90c0ac7, 0x2f987869, + 0xe4c4abcc}, + {0x00000000, 0x3d6029b0, 0x7ac05360, 0x47a07ad0, 0xf580a6c0, + 0xc8e08f70, 0x8f40f5a0, 0xb220dc10, 0x30704bc1, 0x0d106271, + 0x4ab018a1, 0x77d03111, 0xc5f0ed01, 0xf890c4b1, 0xbf30be61, + 0x825097d1, 0x60e09782, 0x5d80be32, 0x1a20c4e2, 0x2740ed52, + 0x95603142, 0xa80018f2, 0xefa06222, 0xd2c04b92, 0x5090dc43, + 0x6df0f5f3, 0x2a508f23, 0x1730a693, 0xa5107a83, 0x98705333, + 0xdfd029e3, 0xe2b00053, 0xc1c12f04, 0xfca106b4, 0xbb017c64, + 0x866155d4, 0x344189c4, 0x0921a074, 0x4e81daa4, 0x73e1f314, + 0xf1b164c5, 0xccd14d75, 0x8b7137a5, 0xb6111e15, 0x0431c205, + 0x3951ebb5, 0x7ef19165, 0x4391b8d5, 0xa121b886, 0x9c419136, + 0xdbe1ebe6, 0xe681c256, 0x54a11e46, 0x69c137f6, 0x2e614d26, + 0x13016496, 0x9151f347, 0xac31daf7, 0xeb91a027, 0xd6f18997, + 0x64d15587, 0x59b17c37, 0x1e1106e7, 0x23712f57, 0x58f35849, + 0x659371f9, 0x22330b29, 0x1f532299, 0xad73fe89, 0x9013d739, + 0xd7b3ade9, 0xead38459, 0x68831388, 0x55e33a38, 0x124340e8, + 0x2f236958, 0x9d03b548, 0xa0639cf8, 0xe7c3e628, 0xdaa3cf98, + 0x3813cfcb, 0x0573e67b, 0x42d39cab, 0x7fb3b51b, 0xcd93690b, + 0xf0f340bb, 0xb7533a6b, 0x8a3313db, 0x0863840a, 0x3503adba, + 0x72a3d76a, 0x4fc3feda, 0xfde322ca, 0xc0830b7a, 0x872371aa, + 0xba43581a, 0x9932774d, 0xa4525efd, 0xe3f2242d, 0xde920d9d, + 0x6cb2d18d, 0x51d2f83d, 0x167282ed, 0x2b12ab5d, 0xa9423c8c, + 0x9422153c, 0xd3826fec, 0xeee2465c, 0x5cc29a4c, 0x61a2b3fc, + 0x2602c92c, 0x1b62e09c, 0xf9d2e0cf, 0xc4b2c97f, 0x8312b3af, + 0xbe729a1f, 0x0c52460f, 0x31326fbf, 0x7692156f, 0x4bf23cdf, + 0xc9a2ab0e, 0xf4c282be, 0xb362f86e, 0x8e02d1de, 0x3c220dce, + 0x0142247e, 0x46e25eae, 0x7b82771e, 0xb1e6b092, 0x8c869922, + 0xcb26e3f2, 0xf646ca42, 0x44661652, 0x79063fe2, 0x3ea64532, + 0x03c66c82, 0x8196fb53, 0xbcf6d2e3, 0xfb56a833, 0xc6368183, + 0x74165d93, 0x49767423, 0x0ed60ef3, 0x33b62743, 0xd1062710, + 0xec660ea0, 0xabc67470, 0x96a65dc0, 0x248681d0, 0x19e6a860, + 0x5e46d2b0, 0x6326fb00, 0xe1766cd1, 0xdc164561, 0x9bb63fb1, + 0xa6d61601, 0x14f6ca11, 0x2996e3a1, 0x6e369971, 0x5356b0c1, + 0x70279f96, 0x4d47b626, 0x0ae7ccf6, 0x3787e546, 0x85a73956, + 0xb8c710e6, 0xff676a36, 0xc2074386, 0x4057d457, 0x7d37fde7, + 0x3a978737, 0x07f7ae87, 0xb5d77297, 0x88b75b27, 0xcf1721f7, + 0xf2770847, 0x10c70814, 0x2da721a4, 0x6a075b74, 0x576772c4, + 0xe547aed4, 0xd8278764, 0x9f87fdb4, 0xa2e7d404, 0x20b743d5, + 0x1dd76a65, 0x5a7710b5, 0x67173905, 0xd537e515, 0xe857cca5, + 0xaff7b675, 0x92979fc5, 0xe915e8db, 0xd475c16b, 0x93d5bbbb, + 0xaeb5920b, 0x1c954e1b, 0x21f567ab, 0x66551d7b, 0x5b3534cb, + 0xd965a31a, 0xe4058aaa, 0xa3a5f07a, 0x9ec5d9ca, 0x2ce505da, + 0x11852c6a, 0x562556ba, 0x6b457f0a, 0x89f57f59, 0xb49556e9, + 0xf3352c39, 0xce550589, 0x7c75d999, 0x4115f029, 0x06b58af9, + 0x3bd5a349, 0xb9853498, 0x84e51d28, 0xc34567f8, 0xfe254e48, + 0x4c059258, 0x7165bbe8, 0x36c5c138, 0x0ba5e888, 0x28d4c7df, + 0x15b4ee6f, 0x521494bf, 0x6f74bd0f, 0xdd54611f, 0xe03448af, + 0xa794327f, 0x9af41bcf, 0x18a48c1e, 0x25c4a5ae, 0x6264df7e, + 0x5f04f6ce, 0xed242ade, 0xd044036e, 0x97e479be, 0xaa84500e, + 0x4834505d, 0x755479ed, 0x32f4033d, 0x0f942a8d, 0xbdb4f69d, + 0x80d4df2d, 0xc774a5fd, 0xfa148c4d, 0x78441b9c, 0x4524322c, + 0x028448fc, 0x3fe4614c, 0x8dc4bd5c, 0xb0a494ec, 0xf704ee3c, + 0xca64c78c}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0xb029603d, 0x6053c07a, 0xd07aa047, 0xc0a680f5, + 0x708fe0c8, 0xa0f5408f, 0x10dc20b2, 0xc14b7030, 0x7162100d, + 0xa118b04a, 0x1131d077, 0x01edf0c5, 0xb1c490f8, 0x61be30bf, + 0xd1975082, 0x8297e060, 0x32be805d, 0xe2c4201a, 0x52ed4027, + 0x42316095, 0xf21800a8, 0x2262a0ef, 0x924bc0d2, 0x43dc9050, + 0xf3f5f06d, 0x238f502a, 0x93a63017, 0x837a10a5, 0x33537098, + 0xe329d0df, 0x5300b0e2, 0x042fc1c1, 0xb406a1fc, 0x647c01bb, + 0xd4556186, 0xc4894134, 0x74a02109, 0xa4da814e, 0x14f3e173, + 0xc564b1f1, 0x754dd1cc, 0xa537718b, 0x151e11b6, 0x05c23104, + 0xb5eb5139, 0x6591f17e, 0xd5b89143, 0x86b821a1, 0x3691419c, + 0xe6ebe1db, 0x56c281e6, 0x461ea154, 0xf637c169, 0x264d612e, + 0x96640113, 0x47f35191, 0xf7da31ac, 0x27a091eb, 0x9789f1d6, + 0x8755d164, 0x377cb159, 0xe706111e, 0x572f7123, 0x4958f358, + 0xf9719365, 0x290b3322, 0x9922531f, 0x89fe73ad, 0x39d71390, + 0xe9adb3d7, 0x5984d3ea, 0x88138368, 0x383ae355, 0xe8404312, + 0x5869232f, 0x48b5039d, 0xf89c63a0, 0x28e6c3e7, 0x98cfa3da, + 0xcbcf1338, 0x7be67305, 0xab9cd342, 0x1bb5b37f, 0x0b6993cd, + 0xbb40f3f0, 0x6b3a53b7, 0xdb13338a, 0x0a846308, 0xbaad0335, + 0x6ad7a372, 0xdafec34f, 0xca22e3fd, 0x7a0b83c0, 0xaa712387, + 0x1a5843ba, 0x4d773299, 0xfd5e52a4, 0x2d24f2e3, 0x9d0d92de, + 0x8dd1b26c, 0x3df8d251, 0xed827216, 0x5dab122b, 0x8c3c42a9, + 0x3c152294, 0xec6f82d3, 0x5c46e2ee, 0x4c9ac25c, 0xfcb3a261, + 0x2cc90226, 0x9ce0621b, 0xcfe0d2f9, 0x7fc9b2c4, 0xafb31283, + 0x1f9a72be, 0x0f46520c, 0xbf6f3231, 0x6f159276, 0xdf3cf24b, + 0x0eaba2c9, 0xbe82c2f4, 0x6ef862b3, 0xded1028e, 0xce0d223c, + 0x7e244201, 0xae5ee246, 0x1e77827b, 0x92b0e6b1, 0x2299868c, + 0xf2e326cb, 0x42ca46f6, 0x52166644, 0xe23f0679, 0x3245a63e, + 0x826cc603, 0x53fb9681, 0xe3d2f6bc, 0x33a856fb, 0x838136c6, + 0x935d1674, 0x23747649, 0xf30ed60e, 0x4327b633, 0x102706d1, + 0xa00e66ec, 0x7074c6ab, 0xc05da696, 0xd0818624, 0x60a8e619, + 0xb0d2465e, 0x00fb2663, 0xd16c76e1, 0x614516dc, 0xb13fb69b, + 0x0116d6a6, 0x11caf614, 0xa1e39629, 0x7199366e, 0xc1b05653, + 0x969f2770, 0x26b6474d, 0xf6cce70a, 0x46e58737, 0x5639a785, + 0xe610c7b8, 0x366a67ff, 0x864307c2, 0x57d45740, 0xe7fd377d, + 0x3787973a, 0x87aef707, 0x9772d7b5, 0x275bb788, 0xf72117cf, + 0x470877f2, 0x1408c710, 0xa421a72d, 0x745b076a, 0xc4726757, + 0xd4ae47e5, 0x648727d8, 0xb4fd879f, 0x04d4e7a2, 0xd543b720, + 0x656ad71d, 0xb510775a, 0x05391767, 0x15e537d5, 0xa5cc57e8, + 0x75b6f7af, 0xc59f9792, 0xdbe815e9, 0x6bc175d4, 0xbbbbd593, + 0x0b92b5ae, 0x1b4e951c, 0xab67f521, 0x7b1d5566, 0xcb34355b, + 0x1aa365d9, 0xaa8a05e4, 0x7af0a5a3, 0xcad9c59e, 0xda05e52c, + 0x6a2c8511, 0xba562556, 0x0a7f456b, 0x597ff589, 0xe95695b4, + 0x392c35f3, 0x890555ce, 0x99d9757c, 0x29f01541, 0xf98ab506, + 0x49a3d53b, 0x983485b9, 0x281de584, 0xf86745c3, 0x484e25fe, + 0x5892054c, 0xe8bb6571, 0x38c1c536, 0x88e8a50b, 0xdfc7d428, + 0x6feeb415, 0xbf941452, 0x0fbd746f, 0x1f6154dd, 0xaf4834e0, + 0x7f3294a7, 0xcf1bf49a, 0x1e8ca418, 0xaea5c425, 0x7edf6462, + 0xcef6045f, 0xde2a24ed, 0x6e0344d0, 0xbe79e497, 0x0e5084aa, + 0x5d503448, 0xed795475, 0x3d03f432, 0x8d2a940f, 0x9df6b4bd, + 0x2ddfd480, 0xfda574c7, 0x4d8c14fa, 0x9c1b4478, 0x2c322445, + 0xfc488402, 0x4c61e43f, 0x5cbdc48d, 0xec94a4b0, 0x3cee04f7, + 0x8cc764ca}, + {0x00000000, 0xa5d35ccb, 0x0ba1c84d, 0xae729486, 0x1642919b, + 0xb391cd50, 0x1de359d6, 0xb830051d, 0x6d8253ec, 0xc8510f27, + 0x66239ba1, 0xc3f0c76a, 0x7bc0c277, 0xde139ebc, 0x70610a3a, + 0xd5b256f1, 0x9b02d603, 0x3ed18ac8, 0x90a31e4e, 0x35704285, + 0x8d404798, 0x28931b53, 0x86e18fd5, 0x2332d31e, 0xf68085ef, + 0x5353d924, 0xfd214da2, 0x58f21169, 0xe0c21474, 0x451148bf, + 0xeb63dc39, 0x4eb080f2, 0x3605ac07, 0x93d6f0cc, 0x3da4644a, + 0x98773881, 0x20473d9c, 0x85946157, 0x2be6f5d1, 0x8e35a91a, + 0x5b87ffeb, 0xfe54a320, 0x502637a6, 0xf5f56b6d, 0x4dc56e70, + 0xe81632bb, 0x4664a63d, 0xe3b7faf6, 0xad077a04, 0x08d426cf, + 0xa6a6b249, 0x0375ee82, 0xbb45eb9f, 0x1e96b754, 0xb0e423d2, + 0x15377f19, 0xc08529e8, 0x65567523, 0xcb24e1a5, 0x6ef7bd6e, + 0xd6c7b873, 0x7314e4b8, 0xdd66703e, 0x78b52cf5, 0x6c0a580f, + 0xc9d904c4, 0x67ab9042, 0xc278cc89, 0x7a48c994, 0xdf9b955f, + 0x71e901d9, 0xd43a5d12, 0x01880be3, 0xa45b5728, 0x0a29c3ae, + 0xaffa9f65, 0x17ca9a78, 0xb219c6b3, 0x1c6b5235, 0xb9b80efe, + 0xf7088e0c, 0x52dbd2c7, 0xfca94641, 0x597a1a8a, 0xe14a1f97, + 0x4499435c, 0xeaebd7da, 0x4f388b11, 0x9a8adde0, 0x3f59812b, + 0x912b15ad, 0x34f84966, 0x8cc84c7b, 0x291b10b0, 0x87698436, + 0x22bad8fd, 0x5a0ff408, 0xffdca8c3, 0x51ae3c45, 0xf47d608e, + 0x4c4d6593, 0xe99e3958, 0x47ecadde, 0xe23ff115, 0x378da7e4, + 0x925efb2f, 0x3c2c6fa9, 0x99ff3362, 0x21cf367f, 0x841c6ab4, + 0x2a6efe32, 0x8fbda2f9, 0xc10d220b, 0x64de7ec0, 0xcaacea46, + 0x6f7fb68d, 0xd74fb390, 0x729cef5b, 0xdcee7bdd, 0x793d2716, + 0xac8f71e7, 0x095c2d2c, 0xa72eb9aa, 0x02fde561, 0xbacde07c, + 0x1f1ebcb7, 0xb16c2831, 0x14bf74fa, 0xd814b01e, 0x7dc7ecd5, + 0xd3b57853, 0x76662498, 0xce562185, 0x6b857d4e, 0xc5f7e9c8, + 0x6024b503, 0xb596e3f2, 0x1045bf39, 0xbe372bbf, 0x1be47774, + 0xa3d47269, 0x06072ea2, 0xa875ba24, 0x0da6e6ef, 0x4316661d, + 0xe6c53ad6, 0x48b7ae50, 0xed64f29b, 0x5554f786, 0xf087ab4d, + 0x5ef53fcb, 0xfb266300, 0x2e9435f1, 0x8b47693a, 0x2535fdbc, + 0x80e6a177, 0x38d6a46a, 0x9d05f8a1, 0x33776c27, 0x96a430ec, + 0xee111c19, 0x4bc240d2, 0xe5b0d454, 0x4063889f, 0xf8538d82, + 0x5d80d149, 0xf3f245cf, 0x56211904, 0x83934ff5, 0x2640133e, + 0x883287b8, 0x2de1db73, 0x95d1de6e, 0x300282a5, 0x9e701623, + 0x3ba34ae8, 0x7513ca1a, 0xd0c096d1, 0x7eb20257, 0xdb615e9c, + 0x63515b81, 0xc682074a, 0x68f093cc, 0xcd23cf07, 0x189199f6, + 0xbd42c53d, 0x133051bb, 0xb6e30d70, 0x0ed3086d, 0xab0054a6, + 0x0572c020, 0xa0a19ceb, 0xb41ee811, 0x11cdb4da, 0xbfbf205c, + 0x1a6c7c97, 0xa25c798a, 0x078f2541, 0xa9fdb1c7, 0x0c2eed0c, + 0xd99cbbfd, 0x7c4fe736, 0xd23d73b0, 0x77ee2f7b, 0xcfde2a66, + 0x6a0d76ad, 0xc47fe22b, 0x61acbee0, 0x2f1c3e12, 0x8acf62d9, + 0x24bdf65f, 0x816eaa94, 0x395eaf89, 0x9c8df342, 0x32ff67c4, + 0x972c3b0f, 0x429e6dfe, 0xe74d3135, 0x493fa5b3, 0xececf978, + 0x54dcfc65, 0xf10fa0ae, 0x5f7d3428, 0xfaae68e3, 0x821b4416, + 0x27c818dd, 0x89ba8c5b, 0x2c69d090, 0x9459d58d, 0x318a8946, + 0x9ff81dc0, 0x3a2b410b, 0xef9917fa, 0x4a4a4b31, 0xe438dfb7, + 0x41eb837c, 0xf9db8661, 0x5c08daaa, 0xf27a4e2c, 0x57a912e7, + 0x19199215, 0xbccacede, 0x12b85a58, 0xb76b0693, 0x0f5b038e, + 0xaa885f45, 0x04facbc3, 0xa1299708, 0x749bc1f9, 0xd1489d32, + 0x7f3a09b4, 0xdae9557f, 0x62d95062, 0xc70a0ca9, 0x6978982f, + 0xccabc4e4}, + {0x00000000, 0xb40b77a6, 0x29119f97, 0x9d1ae831, 0x13244ff4, + 0xa72f3852, 0x3a35d063, 0x8e3ea7c5, 0x674eef33, 0xd3459895, + 0x4e5f70a4, 0xfa540702, 0x746aa0c7, 0xc061d761, 0x5d7b3f50, + 0xe97048f6, 0xce9cde67, 0x7a97a9c1, 0xe78d41f0, 0x53863656, + 0xddb89193, 0x69b3e635, 0xf4a90e04, 0x40a279a2, 0xa9d23154, + 0x1dd946f2, 0x80c3aec3, 0x34c8d965, 0xbaf67ea0, 0x0efd0906, + 0x93e7e137, 0x27ec9691, 0x9c39bdcf, 0x2832ca69, 0xb5282258, + 0x012355fe, 0x8f1df23b, 0x3b16859d, 0xa60c6dac, 0x12071a0a, + 0xfb7752fc, 0x4f7c255a, 0xd266cd6b, 0x666dbacd, 0xe8531d08, + 0x5c586aae, 0xc142829f, 0x7549f539, 0x52a563a8, 0xe6ae140e, + 0x7bb4fc3f, 0xcfbf8b99, 0x41812c5c, 0xf58a5bfa, 0x6890b3cb, + 0xdc9bc46d, 0x35eb8c9b, 0x81e0fb3d, 0x1cfa130c, 0xa8f164aa, + 0x26cfc36f, 0x92c4b4c9, 0x0fde5cf8, 0xbbd52b5e, 0x79750b44, + 0xcd7e7ce2, 0x506494d3, 0xe46fe375, 0x6a5144b0, 0xde5a3316, + 0x4340db27, 0xf74bac81, 0x1e3be477, 0xaa3093d1, 0x372a7be0, + 0x83210c46, 0x0d1fab83, 0xb914dc25, 0x240e3414, 0x900543b2, + 0xb7e9d523, 0x03e2a285, 0x9ef84ab4, 0x2af33d12, 0xa4cd9ad7, + 0x10c6ed71, 0x8ddc0540, 0x39d772e6, 0xd0a73a10, 0x64ac4db6, + 0xf9b6a587, 0x4dbdd221, 0xc38375e4, 0x77880242, 0xea92ea73, + 0x5e999dd5, 0xe54cb68b, 0x5147c12d, 0xcc5d291c, 0x78565eba, + 0xf668f97f, 0x42638ed9, 0xdf7966e8, 0x6b72114e, 0x820259b8, + 0x36092e1e, 0xab13c62f, 0x1f18b189, 0x9126164c, 0x252d61ea, + 0xb83789db, 0x0c3cfe7d, 0x2bd068ec, 0x9fdb1f4a, 0x02c1f77b, + 0xb6ca80dd, 0x38f42718, 0x8cff50be, 0x11e5b88f, 0xa5eecf29, + 0x4c9e87df, 0xf895f079, 0x658f1848, 0xd1846fee, 0x5fbac82b, + 0xebb1bf8d, 0x76ab57bc, 0xc2a0201a, 0xf2ea1688, 0x46e1612e, + 0xdbfb891f, 0x6ff0feb9, 0xe1ce597c, 0x55c52eda, 0xc8dfc6eb, + 0x7cd4b14d, 0x95a4f9bb, 0x21af8e1d, 0xbcb5662c, 0x08be118a, + 0x8680b64f, 0x328bc1e9, 0xaf9129d8, 0x1b9a5e7e, 0x3c76c8ef, + 0x887dbf49, 0x15675778, 0xa16c20de, 0x2f52871b, 0x9b59f0bd, + 0x0643188c, 0xb2486f2a, 0x5b3827dc, 0xef33507a, 0x7229b84b, + 0xc622cfed, 0x481c6828, 0xfc171f8e, 0x610df7bf, 0xd5068019, + 0x6ed3ab47, 0xdad8dce1, 0x47c234d0, 0xf3c94376, 0x7df7e4b3, + 0xc9fc9315, 0x54e67b24, 0xe0ed0c82, 0x099d4474, 0xbd9633d2, + 0x208cdbe3, 0x9487ac45, 0x1ab90b80, 0xaeb27c26, 0x33a89417, + 0x87a3e3b1, 0xa04f7520, 0x14440286, 0x895eeab7, 0x3d559d11, + 0xb36b3ad4, 0x07604d72, 0x9a7aa543, 0x2e71d2e5, 0xc7019a13, + 0x730aedb5, 0xee100584, 0x5a1b7222, 0xd425d5e7, 0x602ea241, + 0xfd344a70, 0x493f3dd6, 0x8b9f1dcc, 0x3f946a6a, 0xa28e825b, + 0x1685f5fd, 0x98bb5238, 0x2cb0259e, 0xb1aacdaf, 0x05a1ba09, + 0xecd1f2ff, 0x58da8559, 0xc5c06d68, 0x71cb1ace, 0xfff5bd0b, + 0x4bfecaad, 0xd6e4229c, 0x62ef553a, 0x4503c3ab, 0xf108b40d, + 0x6c125c3c, 0xd8192b9a, 0x56278c5f, 0xe22cfbf9, 0x7f3613c8, + 0xcb3d646e, 0x224d2c98, 0x96465b3e, 0x0b5cb30f, 0xbf57c4a9, + 0x3169636c, 0x856214ca, 0x1878fcfb, 0xac738b5d, 0x17a6a003, + 0xa3add7a5, 0x3eb73f94, 0x8abc4832, 0x0482eff7, 0xb0899851, + 0x2d937060, 0x999807c6, 0x70e84f30, 0xc4e33896, 0x59f9d0a7, + 0xedf2a701, 0x63cc00c4, 0xd7c77762, 0x4add9f53, 0xfed6e8f5, + 0xd93a7e64, 0x6d3109c2, 0xf02be1f3, 0x44209655, 0xca1e3190, + 0x7e154636, 0xe30fae07, 0x5704d9a1, 0xbe749157, 0x0a7fe6f1, + 0x97650ec0, 0x236e7966, 0xad50dea3, 0x195ba905, 0x84414134, + 0x304a3692}, + {0x00000000, 0x9e00aacc, 0x7d072542, 0xe3078f8e, 0xfa0e4a84, + 0x640ee048, 0x87096fc6, 0x1909c50a, 0xb51be5d3, 0x2b1b4f1f, + 0xc81cc091, 0x561c6a5d, 0x4f15af57, 0xd115059b, 0x32128a15, + 0xac1220d9, 0x2b31bb7c, 0xb53111b0, 0x56369e3e, 0xc83634f2, + 0xd13ff1f8, 0x4f3f5b34, 0xac38d4ba, 0x32387e76, 0x9e2a5eaf, + 0x002af463, 0xe32d7bed, 0x7d2dd121, 0x6424142b, 0xfa24bee7, + 0x19233169, 0x87239ba5, 0x566276f9, 0xc862dc35, 0x2b6553bb, + 0xb565f977, 0xac6c3c7d, 0x326c96b1, 0xd16b193f, 0x4f6bb3f3, + 0xe379932a, 0x7d7939e6, 0x9e7eb668, 0x007e1ca4, 0x1977d9ae, + 0x87777362, 0x6470fcec, 0xfa705620, 0x7d53cd85, 0xe3536749, + 0x0054e8c7, 0x9e54420b, 0x875d8701, 0x195d2dcd, 0xfa5aa243, + 0x645a088f, 0xc8482856, 0x5648829a, 0xb54f0d14, 0x2b4fa7d8, + 0x324662d2, 0xac46c81e, 0x4f414790, 0xd141ed5c, 0xedc29d29, + 0x73c237e5, 0x90c5b86b, 0x0ec512a7, 0x17ccd7ad, 0x89cc7d61, + 0x6acbf2ef, 0xf4cb5823, 0x58d978fa, 0xc6d9d236, 0x25de5db8, + 0xbbdef774, 0xa2d7327e, 0x3cd798b2, 0xdfd0173c, 0x41d0bdf0, + 0xc6f32655, 0x58f38c99, 0xbbf40317, 0x25f4a9db, 0x3cfd6cd1, + 0xa2fdc61d, 0x41fa4993, 0xdffae35f, 0x73e8c386, 0xede8694a, + 0x0eefe6c4, 0x90ef4c08, 0x89e68902, 0x17e623ce, 0xf4e1ac40, + 0x6ae1068c, 0xbba0ebd0, 0x25a0411c, 0xc6a7ce92, 0x58a7645e, + 0x41aea154, 0xdfae0b98, 0x3ca98416, 0xa2a92eda, 0x0ebb0e03, + 0x90bba4cf, 0x73bc2b41, 0xedbc818d, 0xf4b54487, 0x6ab5ee4b, + 0x89b261c5, 0x17b2cb09, 0x909150ac, 0x0e91fa60, 0xed9675ee, + 0x7396df22, 0x6a9f1a28, 0xf49fb0e4, 0x17983f6a, 0x899895a6, + 0x258ab57f, 0xbb8a1fb3, 0x588d903d, 0xc68d3af1, 0xdf84fffb, + 0x41845537, 0xa283dab9, 0x3c837075, 0xda853b53, 0x4485919f, + 0xa7821e11, 0x3982b4dd, 0x208b71d7, 0xbe8bdb1b, 0x5d8c5495, + 0xc38cfe59, 0x6f9ede80, 0xf19e744c, 0x1299fbc2, 0x8c99510e, + 0x95909404, 0x0b903ec8, 0xe897b146, 0x76971b8a, 0xf1b4802f, + 0x6fb42ae3, 0x8cb3a56d, 0x12b30fa1, 0x0bbacaab, 0x95ba6067, + 0x76bdefe9, 0xe8bd4525, 0x44af65fc, 0xdaafcf30, 0x39a840be, + 0xa7a8ea72, 0xbea12f78, 0x20a185b4, 0xc3a60a3a, 0x5da6a0f6, + 0x8ce74daa, 0x12e7e766, 0xf1e068e8, 0x6fe0c224, 0x76e9072e, + 0xe8e9ade2, 0x0bee226c, 0x95ee88a0, 0x39fca879, 0xa7fc02b5, + 0x44fb8d3b, 0xdafb27f7, 0xc3f2e2fd, 0x5df24831, 0xbef5c7bf, + 0x20f56d73, 0xa7d6f6d6, 0x39d65c1a, 0xdad1d394, 0x44d17958, + 0x5dd8bc52, 0xc3d8169e, 0x20df9910, 0xbedf33dc, 0x12cd1305, + 0x8ccdb9c9, 0x6fca3647, 0xf1ca9c8b, 0xe8c35981, 0x76c3f34d, + 0x95c47cc3, 0x0bc4d60f, 0x3747a67a, 0xa9470cb6, 0x4a408338, + 0xd44029f4, 0xcd49ecfe, 0x53494632, 0xb04ec9bc, 0x2e4e6370, + 0x825c43a9, 0x1c5ce965, 0xff5b66eb, 0x615bcc27, 0x7852092d, + 0xe652a3e1, 0x05552c6f, 0x9b5586a3, 0x1c761d06, 0x8276b7ca, + 0x61713844, 0xff719288, 0xe6785782, 0x7878fd4e, 0x9b7f72c0, + 0x057fd80c, 0xa96df8d5, 0x376d5219, 0xd46add97, 0x4a6a775b, + 0x5363b251, 0xcd63189d, 0x2e649713, 0xb0643ddf, 0x6125d083, + 0xff257a4f, 0x1c22f5c1, 0x82225f0d, 0x9b2b9a07, 0x052b30cb, + 0xe62cbf45, 0x782c1589, 0xd43e3550, 0x4a3e9f9c, 0xa9391012, + 0x3739bade, 0x2e307fd4, 0xb030d518, 0x53375a96, 0xcd37f05a, + 0x4a146bff, 0xd414c133, 0x37134ebd, 0xa913e471, 0xb01a217b, + 0x2e1a8bb7, 0xcd1d0439, 0x531daef5, 0xff0f8e2c, 0x610f24e0, + 0x8208ab6e, 0x1c0801a2, 0x0501c4a8, 0x9b016e64, 0x7806e1ea, + 0xe6064b26}}; + +#endif + +#endif + +#if N == 3 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x81256527, 0xd93bcc0f, 0x581ea928, 0x69069e5f, + 0xe823fb78, 0xb03d5250, 0x31183777, 0xd20d3cbe, 0x53285999, + 0x0b36f0b1, 0x8a139596, 0xbb0ba2e1, 0x3a2ec7c6, 0x62306eee, + 0xe3150bc9, 0x7f6b7f3d, 0xfe4e1a1a, 0xa650b332, 0x2775d615, + 0x166de162, 0x97488445, 0xcf562d6d, 0x4e73484a, 0xad664383, + 0x2c4326a4, 0x745d8f8c, 0xf578eaab, 0xc460dddc, 0x4545b8fb, + 0x1d5b11d3, 0x9c7e74f4, 0xfed6fe7a, 0x7ff39b5d, 0x27ed3275, + 0xa6c85752, 0x97d06025, 0x16f50502, 0x4eebac2a, 0xcfcec90d, + 0x2cdbc2c4, 0xadfea7e3, 0xf5e00ecb, 0x74c56bec, 0x45dd5c9b, + 0xc4f839bc, 0x9ce69094, 0x1dc3f5b3, 0x81bd8147, 0x0098e460, + 0x58864d48, 0xd9a3286f, 0xe8bb1f18, 0x699e7a3f, 0x3180d317, + 0xb0a5b630, 0x53b0bdf9, 0xd295d8de, 0x8a8b71f6, 0x0bae14d1, + 0x3ab623a6, 0xbb934681, 0xe38defa9, 0x62a88a8e, 0x26dcfab5, + 0xa7f99f92, 0xffe736ba, 0x7ec2539d, 0x4fda64ea, 0xceff01cd, + 0x96e1a8e5, 0x17c4cdc2, 0xf4d1c60b, 0x75f4a32c, 0x2dea0a04, + 0xaccf6f23, 0x9dd75854, 0x1cf23d73, 0x44ec945b, 0xc5c9f17c, + 0x59b78588, 0xd892e0af, 0x808c4987, 0x01a92ca0, 0x30b11bd7, + 0xb1947ef0, 0xe98ad7d8, 0x68afb2ff, 0x8bbab936, 0x0a9fdc11, + 0x52817539, 0xd3a4101e, 0xe2bc2769, 0x6399424e, 0x3b87eb66, + 0xbaa28e41, 0xd80a04cf, 0x592f61e8, 0x0131c8c0, 0x8014ade7, + 0xb10c9a90, 0x3029ffb7, 0x6837569f, 0xe91233b8, 0x0a073871, + 0x8b225d56, 0xd33cf47e, 0x52199159, 0x6301a62e, 0xe224c309, + 0xba3a6a21, 0x3b1f0f06, 0xa7617bf2, 0x26441ed5, 0x7e5ab7fd, + 0xff7fd2da, 0xce67e5ad, 0x4f42808a, 0x175c29a2, 0x96794c85, + 0x756c474c, 0xf449226b, 0xac578b43, 0x2d72ee64, 0x1c6ad913, + 0x9d4fbc34, 0xc551151c, 0x4474703b, 0x4db9f56a, 0xcc9c904d, + 0x94823965, 0x15a75c42, 0x24bf6b35, 0xa59a0e12, 0xfd84a73a, + 0x7ca1c21d, 0x9fb4c9d4, 0x1e91acf3, 0x468f05db, 0xc7aa60fc, + 0xf6b2578b, 0x779732ac, 0x2f899b84, 0xaeacfea3, 0x32d28a57, + 0xb3f7ef70, 0xebe94658, 0x6acc237f, 0x5bd41408, 0xdaf1712f, + 0x82efd807, 0x03cabd20, 0xe0dfb6e9, 0x61fad3ce, 0x39e47ae6, + 0xb8c11fc1, 0x89d928b6, 0x08fc4d91, 0x50e2e4b9, 0xd1c7819e, + 0xb36f0b10, 0x324a6e37, 0x6a54c71f, 0xeb71a238, 0xda69954f, + 0x5b4cf068, 0x03525940, 0x82773c67, 0x616237ae, 0xe0475289, + 0xb859fba1, 0x397c9e86, 0x0864a9f1, 0x8941ccd6, 0xd15f65fe, + 0x507a00d9, 0xcc04742d, 0x4d21110a, 0x153fb822, 0x941add05, + 0xa502ea72, 0x24278f55, 0x7c39267d, 0xfd1c435a, 0x1e094893, + 0x9f2c2db4, 0xc732849c, 0x4617e1bb, 0x770fd6cc, 0xf62ab3eb, + 0xae341ac3, 0x2f117fe4, 0x6b650fdf, 0xea406af8, 0xb25ec3d0, + 0x337ba6f7, 0x02639180, 0x8346f4a7, 0xdb585d8f, 0x5a7d38a8, + 0xb9683361, 0x384d5646, 0x6053ff6e, 0xe1769a49, 0xd06ead3e, + 0x514bc819, 0x09556131, 0x88700416, 0x140e70e2, 0x952b15c5, + 0xcd35bced, 0x4c10d9ca, 0x7d08eebd, 0xfc2d8b9a, 0xa43322b2, + 0x25164795, 0xc6034c5c, 0x4726297b, 0x1f388053, 0x9e1de574, + 0xaf05d203, 0x2e20b724, 0x763e1e0c, 0xf71b7b2b, 0x95b3f1a5, + 0x14969482, 0x4c883daa, 0xcdad588d, 0xfcb56ffa, 0x7d900add, + 0x258ea3f5, 0xa4abc6d2, 0x47becd1b, 0xc69ba83c, 0x9e850114, + 0x1fa06433, 0x2eb85344, 0xaf9d3663, 0xf7839f4b, 0x76a6fa6c, + 0xead88e98, 0x6bfdebbf, 0x33e34297, 0xb2c627b0, 0x83de10c7, + 0x02fb75e0, 0x5ae5dcc8, 0xdbc0b9ef, 0x38d5b226, 0xb9f0d701, + 0xe1ee7e29, 0x60cb1b0e, 0x51d32c79, 0xd0f6495e, 0x88e8e076, + 0x09cd8551}, + {0x00000000, 0x9b73ead4, 0xed96d3e9, 0x76e5393d, 0x005ca193, + 0x9b2f4b47, 0xedca727a, 0x76b998ae, 0x00b94326, 0x9bcaa9f2, + 0xed2f90cf, 0x765c7a1b, 0x00e5e2b5, 0x9b960861, 0xed73315c, + 0x7600db88, 0x0172864c, 0x9a016c98, 0xece455a5, 0x7797bf71, + 0x012e27df, 0x9a5dcd0b, 0xecb8f436, 0x77cb1ee2, 0x01cbc56a, + 0x9ab82fbe, 0xec5d1683, 0x772efc57, 0x019764f9, 0x9ae48e2d, + 0xec01b710, 0x77725dc4, 0x02e50c98, 0x9996e64c, 0xef73df71, + 0x740035a5, 0x02b9ad0b, 0x99ca47df, 0xef2f7ee2, 0x745c9436, + 0x025c4fbe, 0x992fa56a, 0xefca9c57, 0x74b97683, 0x0200ee2d, + 0x997304f9, 0xef963dc4, 0x74e5d710, 0x03978ad4, 0x98e46000, + 0xee01593d, 0x7572b3e9, 0x03cb2b47, 0x98b8c193, 0xee5df8ae, + 0x752e127a, 0x032ec9f2, 0x985d2326, 0xeeb81a1b, 0x75cbf0cf, + 0x03726861, 0x980182b5, 0xeee4bb88, 0x7597515c, 0x05ca1930, + 0x9eb9f3e4, 0xe85ccad9, 0x732f200d, 0x0596b8a3, 0x9ee55277, + 0xe8006b4a, 0x7373819e, 0x05735a16, 0x9e00b0c2, 0xe8e589ff, + 0x7396632b, 0x052ffb85, 0x9e5c1151, 0xe8b9286c, 0x73cac2b8, + 0x04b89f7c, 0x9fcb75a8, 0xe92e4c95, 0x725da641, 0x04e43eef, + 0x9f97d43b, 0xe972ed06, 0x720107d2, 0x0401dc5a, 0x9f72368e, + 0xe9970fb3, 0x72e4e567, 0x045d7dc9, 0x9f2e971d, 0xe9cbae20, + 0x72b844f4, 0x072f15a8, 0x9c5cff7c, 0xeab9c641, 0x71ca2c95, + 0x0773b43b, 0x9c005eef, 0xeae567d2, 0x71968d06, 0x0796568e, + 0x9ce5bc5a, 0xea008567, 0x71736fb3, 0x07caf71d, 0x9cb91dc9, + 0xea5c24f4, 0x712fce20, 0x065d93e4, 0x9d2e7930, 0xebcb400d, + 0x70b8aad9, 0x06013277, 0x9d72d8a3, 0xeb97e19e, 0x70e40b4a, + 0x06e4d0c2, 0x9d973a16, 0xeb72032b, 0x7001e9ff, 0x06b87151, + 0x9dcb9b85, 0xeb2ea2b8, 0x705d486c, 0x0b943260, 0x90e7d8b4, + 0xe602e189, 0x7d710b5d, 0x0bc893f3, 0x90bb7927, 0xe65e401a, + 0x7d2daace, 0x0b2d7146, 0x905e9b92, 0xe6bba2af, 0x7dc8487b, + 0x0b71d0d5, 0x90023a01, 0xe6e7033c, 0x7d94e9e8, 0x0ae6b42c, + 0x91955ef8, 0xe77067c5, 0x7c038d11, 0x0aba15bf, 0x91c9ff6b, + 0xe72cc656, 0x7c5f2c82, 0x0a5ff70a, 0x912c1dde, 0xe7c924e3, + 0x7cbace37, 0x0a035699, 0x9170bc4d, 0xe7958570, 0x7ce66fa4, + 0x09713ef8, 0x9202d42c, 0xe4e7ed11, 0x7f9407c5, 0x092d9f6b, + 0x925e75bf, 0xe4bb4c82, 0x7fc8a656, 0x09c87dde, 0x92bb970a, + 0xe45eae37, 0x7f2d44e3, 0x0994dc4d, 0x92e73699, 0xe4020fa4, + 0x7f71e570, 0x0803b8b4, 0x93705260, 0xe5956b5d, 0x7ee68189, + 0x085f1927, 0x932cf3f3, 0xe5c9cace, 0x7eba201a, 0x08bafb92, + 0x93c91146, 0xe52c287b, 0x7e5fc2af, 0x08e65a01, 0x9395b0d5, + 0xe57089e8, 0x7e03633c, 0x0e5e2b50, 0x952dc184, 0xe3c8f8b9, + 0x78bb126d, 0x0e028ac3, 0x95716017, 0xe394592a, 0x78e7b3fe, + 0x0ee76876, 0x959482a2, 0xe371bb9f, 0x7802514b, 0x0ebbc9e5, + 0x95c82331, 0xe32d1a0c, 0x785ef0d8, 0x0f2cad1c, 0x945f47c8, + 0xe2ba7ef5, 0x79c99421, 0x0f700c8f, 0x9403e65b, 0xe2e6df66, + 0x799535b2, 0x0f95ee3a, 0x94e604ee, 0xe2033dd3, 0x7970d707, + 0x0fc94fa9, 0x94baa57d, 0xe25f9c40, 0x792c7694, 0x0cbb27c8, + 0x97c8cd1c, 0xe12df421, 0x7a5e1ef5, 0x0ce7865b, 0x97946c8f, + 0xe17155b2, 0x7a02bf66, 0x0c0264ee, 0x97718e3a, 0xe194b707, + 0x7ae75dd3, 0x0c5ec57d, 0x972d2fa9, 0xe1c81694, 0x7abbfc40, + 0x0dc9a184, 0x96ba4b50, 0xe05f726d, 0x7b2c98b9, 0x0d950017, + 0x96e6eac3, 0xe003d3fe, 0x7b70392a, 0x0d70e2a2, 0x96030876, + 0xe0e6314b, 0x7b95db9f, 0x0d2c4331, 0x965fa9e5, 0xe0ba90d8, + 0x7bc97a0c}, + {0x00000000, 0x172864c0, 0x2e50c980, 0x3978ad40, 0x5ca19300, + 0x4b89f7c0, 0x72f15a80, 0x65d93e40, 0xb9432600, 0xae6b42c0, + 0x9713ef80, 0x803b8b40, 0xe5e2b500, 0xf2cad1c0, 0xcbb27c80, + 0xdc9a1840, 0xa9f74a41, 0xbedf2e81, 0x87a783c1, 0x908fe701, + 0xf556d941, 0xe27ebd81, 0xdb0610c1, 0xcc2e7401, 0x10b46c41, + 0x079c0881, 0x3ee4a5c1, 0x29ccc101, 0x4c15ff41, 0x5b3d9b81, + 0x624536c1, 0x756d5201, 0x889f92c3, 0x9fb7f603, 0xa6cf5b43, + 0xb1e73f83, 0xd43e01c3, 0xc3166503, 0xfa6ec843, 0xed46ac83, + 0x31dcb4c3, 0x26f4d003, 0x1f8c7d43, 0x08a41983, 0x6d7d27c3, + 0x7a554303, 0x432dee43, 0x54058a83, 0x2168d882, 0x3640bc42, + 0x0f381102, 0x181075c2, 0x7dc94b82, 0x6ae12f42, 0x53998202, + 0x44b1e6c2, 0x982bfe82, 0x8f039a42, 0xb67b3702, 0xa15353c2, + 0xc48a6d82, 0xd3a20942, 0xeadaa402, 0xfdf2c0c2, 0xca4e23c7, + 0xdd664707, 0xe41eea47, 0xf3368e87, 0x96efb0c7, 0x81c7d407, + 0xb8bf7947, 0xaf971d87, 0x730d05c7, 0x64256107, 0x5d5dcc47, + 0x4a75a887, 0x2fac96c7, 0x3884f207, 0x01fc5f47, 0x16d43b87, + 0x63b96986, 0x74910d46, 0x4de9a006, 0x5ac1c4c6, 0x3f18fa86, + 0x28309e46, 0x11483306, 0x066057c6, 0xdafa4f86, 0xcdd22b46, + 0xf4aa8606, 0xe382e2c6, 0x865bdc86, 0x9173b846, 0xa80b1506, + 0xbf2371c6, 0x42d1b104, 0x55f9d5c4, 0x6c817884, 0x7ba91c44, + 0x1e702204, 0x095846c4, 0x3020eb84, 0x27088f44, 0xfb929704, + 0xecbaf3c4, 0xd5c25e84, 0xc2ea3a44, 0xa7330404, 0xb01b60c4, + 0x8963cd84, 0x9e4ba944, 0xeb26fb45, 0xfc0e9f85, 0xc57632c5, + 0xd25e5605, 0xb7876845, 0xa0af0c85, 0x99d7a1c5, 0x8effc505, + 0x5265dd45, 0x454db985, 0x7c3514c5, 0x6b1d7005, 0x0ec44e45, + 0x19ec2a85, 0x209487c5, 0x37bce305, 0x4fed41cf, 0x58c5250f, + 0x61bd884f, 0x7695ec8f, 0x134cd2cf, 0x0464b60f, 0x3d1c1b4f, + 0x2a347f8f, 0xf6ae67cf, 0xe186030f, 0xd8feae4f, 0xcfd6ca8f, + 0xaa0ff4cf, 0xbd27900f, 0x845f3d4f, 0x9377598f, 0xe61a0b8e, + 0xf1326f4e, 0xc84ac20e, 0xdf62a6ce, 0xbabb988e, 0xad93fc4e, + 0x94eb510e, 0x83c335ce, 0x5f592d8e, 0x4871494e, 0x7109e40e, + 0x662180ce, 0x03f8be8e, 0x14d0da4e, 0x2da8770e, 0x3a8013ce, + 0xc772d30c, 0xd05ab7cc, 0xe9221a8c, 0xfe0a7e4c, 0x9bd3400c, + 0x8cfb24cc, 0xb583898c, 0xa2abed4c, 0x7e31f50c, 0x691991cc, + 0x50613c8c, 0x4749584c, 0x2290660c, 0x35b802cc, 0x0cc0af8c, + 0x1be8cb4c, 0x6e85994d, 0x79adfd8d, 0x40d550cd, 0x57fd340d, + 0x32240a4d, 0x250c6e8d, 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0xa81a460d, + 0x7ff8c655, 0x3c67509b, 0xeb85d0c3, 0x48d3566a, 0x9f31d632, + 0xd50f5d79, 0x02eddd21, 0xa1bb5b88, 0x7659dbd0, 0x4d08ec28, + 0x9aea6c70, 0x39bcead9, 0xee5e6a81, 0xa460e1ca, 0x73826192, + 0xd0d4e73b, 0x07366763, 0x44a9f1ad, 0x934b71f5, 0x301df75c, + 0xe7ff7704, 0xadc1fc4f, 0x7a237c17, 0xd975fabe, 0x0e977ae6, + 0x5e4ad722, 0x89a8577a, 0x2afed1d3, 0xfd1c518b, 0xb722dac0, + 0x60c05a98, 0xc396dc31, 0x14745c69, 0x57ebcaa7, 0x80094aff, + 0x235fcc56, 0xf4bd4c0e, 0xbe83c745, 0x6961471d, 0xca37c1b4, + 0x1dd541ec, 0x6b8c9a3c, 0xbc6e1a64, 0x1f389ccd, 0xc8da1c95, + 0x82e497de, 0x55061786, 0xf650912f, 0x21b21177, 0x622d87b9, + 0xb5cf07e1, 0x16998148, 0xc17b0110, 0x8b458a5b, 0x5ca70a03, + 0xfff18caa, 0x28130cf2, 0x78cea136, 0xaf2c216e, 0x0c7aa7c7, + 0xdb98279f, 0x91a6acd4, 0x46442c8c, 0xe512aa25, 0x32f02a7d, + 0x716fbcb3, 0xa68d3ceb, 0x05dbba42, 0xd2393a1a, 0x9807b151, + 0x4fe53109, 0xecb3b7a0, 0x3b5137f8, 0x9a11d850, 0x4df35808, + 0xeea5dea1, 0x39475ef9, 0x7379d5b2, 0xa49b55ea, 0x07cdd343, + 0xd02f531b, 0x93b0c5d5, 0x4452458d, 0xe704c324, 0x30e6437c, + 0x7ad8c837, 0xad3a486f, 0x0e6ccec6, 0xd98e4e9e, 0x8953e35a, + 0x5eb16302, 0xfde7e5ab, 0x2a0565f3, 0x603beeb8, 0xb7d96ee0, + 0x148fe849, 0xc36d6811, 0x80f2fedf, 0x57107e87, 0xf446f82e, + 0x23a47876, 0x699af33d, 0xbe787365, 0x1d2ef5cc, 0xcacc7594, + 0xbc95ae44, 0x6b772e1c, 0xc821a8b5, 0x1fc328ed, 0x55fda3a6, + 0x821f23fe, 0x2149a557, 0xf6ab250f, 0xb534b3c1, 0x62d63399, + 0xc180b530, 0x16623568, 0x5c5cbe23, 0x8bbe3e7b, 0x28e8b8d2, + 0xff0a388a, 0xafd7954e, 0x78351516, 0xdb6393bf, 0x0c8113e7, + 0x46bf98ac, 0x915d18f4, 0x320b9e5d, 0xe5e91e05, 0xa67688cb, + 0x71940893, 0xd2c28e3a, 0x05200e62, 0x4f1e8529, 0x98fc0571, + 0x3baa83d8, 0xec480380, 0xd7193478, 0x00fbb420, 0xa3ad3289, + 0x744fb2d1, 0x3e71399a, 0xe993b9c2, 0x4ac53f6b, 0x9d27bf33, + 0xdeb829fd, 0x095aa9a5, 0xaa0c2f0c, 0x7deeaf54, 0x37d0241f, + 0xe032a447, 0x436422ee, 0x9486a2b6, 0xc45b0f72, 0x13b98f2a, + 0xb0ef0983, 0x670d89db, 0x2d330290, 0xfad182c8, 0x59870461, + 0x8e658439, 0xcdfa12f7, 0x1a1892af, 0xb94e1406, 0x6eac945e, + 0x24921f15, 0xf3709f4d, 0x502619e4, 0x87c499bc, 0xf19d426c, + 0x267fc234, 0x8529449d, 0x52cbc4c5, 0x18f54f8e, 0xcf17cfd6, + 0x6c41497f, 0xbba3c927, 0xf83c5fe9, 0x2fdedfb1, 0x8c885918, + 0x5b6ad940, 0x1154520b, 0xc6b6d253, 0x65e054fa, 0xb202d4a2, + 0xe2df7966, 0x353df93e, 0x966b7f97, 0x4189ffcf, 0x0bb77484, + 0xdc55f4dc, 0x7f037275, 0xa8e1f22d, 0xeb7e64e3, 0x3c9ce4bb, + 0x9fca6212, 0x4828e24a, 0x02166901, 0xd5f4e959, 0x76a26ff0, + 0xa140efa8}, + {0x00000000, 0xef52b6e1, 0x05d46b83, 0xea86dd62, 0x0ba8d706, + 0xe4fa61e7, 0x0e7cbc85, 0xe12e0a64, 0x1751ae0c, 0xf80318ed, + 0x1285c58f, 0xfdd7736e, 0x1cf9790a, 0xf3abcfeb, 0x192d1289, + 0xf67fa468, 0x2ea35c18, 0xc1f1eaf9, 0x2b77379b, 0xc425817a, + 0x250b8b1e, 0xca593dff, 0x20dfe09d, 0xcf8d567c, 0x39f2f214, + 0xd6a044f5, 0x3c269997, 0xd3742f76, 0x325a2512, 0xdd0893f3, + 0x378e4e91, 0xd8dcf870, 0x5d46b830, 0xb2140ed1, 0x5892d3b3, + 0xb7c06552, 0x56ee6f36, 0xb9bcd9d7, 0x533a04b5, 0xbc68b254, + 0x4a17163c, 0xa545a0dd, 0x4fc37dbf, 0xa091cb5e, 0x41bfc13a, + 0xaeed77db, 0x446baab9, 0xab391c58, 0x73e5e428, 0x9cb752c9, + 0x76318fab, 0x9963394a, 0x784d332e, 0x971f85cf, 0x7d9958ad, + 0x92cbee4c, 0x64b44a24, 0x8be6fcc5, 0x616021a7, 0x8e329746, + 0x6f1c9d22, 0x804e2bc3, 0x6ac8f6a1, 0x859a4040, 0xba8d7060, + 0x55dfc681, 0xbf591be3, 0x500bad02, 0xb125a766, 0x5e771187, + 0xb4f1cce5, 0x5ba37a04, 0xaddcde6c, 0x428e688d, 0xa808b5ef, + 0x475a030e, 0xa674096a, 0x4926bf8b, 0xa3a062e9, 0x4cf2d408, + 0x942e2c78, 0x7b7c9a99, 0x91fa47fb, 0x7ea8f11a, 0x9f86fb7e, + 0x70d44d9f, 0x9a5290fd, 0x7500261c, 0x837f8274, 0x6c2d3495, + 0x86abe9f7, 0x69f95f16, 0x88d75572, 0x6785e393, 0x8d033ef1, + 0x62518810, 0xe7cbc850, 0x08997eb1, 0xe21fa3d3, 0x0d4d1532, + 0xec631f56, 0x0331a9b7, 0xe9b774d5, 0x06e5c234, 0xf09a665c, + 0x1fc8d0bd, 0xf54e0ddf, 0x1a1cbb3e, 0xfb32b15a, 0x146007bb, + 0xfee6dad9, 0x11b46c38, 0xc9689448, 0x263a22a9, 0xccbcffcb, + 0x23ee492a, 0xc2c0434e, 0x2d92f5af, 0xc71428cd, 0x28469e2c, + 0xde393a44, 0x316b8ca5, 0xdbed51c7, 0x34bfe726, 0xd591ed42, + 0x3ac35ba3, 0xd04586c1, 0x3f173020, 0xae6be681, 0x41395060, + 0xabbf8d02, 0x44ed3be3, 0xa5c33187, 0x4a918766, 0xa0175a04, + 0x4f45ece5, 0xb93a488d, 0x5668fe6c, 0xbcee230e, 0x53bc95ef, + 0xb2929f8b, 0x5dc0296a, 0xb746f408, 0x581442e9, 0x80c8ba99, + 0x6f9a0c78, 0x851cd11a, 0x6a4e67fb, 0x8b606d9f, 0x6432db7e, + 0x8eb4061c, 0x61e6b0fd, 0x97991495, 0x78cba274, 0x924d7f16, + 0x7d1fc9f7, 0x9c31c393, 0x73637572, 0x99e5a810, 0x76b71ef1, + 0xf32d5eb1, 0x1c7fe850, 0xf6f93532, 0x19ab83d3, 0xf88589b7, + 0x17d73f56, 0xfd51e234, 0x120354d5, 0xe47cf0bd, 0x0b2e465c, + 0xe1a89b3e, 0x0efa2ddf, 0xefd427bb, 0x0086915a, 0xea004c38, + 0x0552fad9, 0xdd8e02a9, 0x32dcb448, 0xd85a692a, 0x3708dfcb, + 0xd626d5af, 0x3974634e, 0xd3f2be2c, 0x3ca008cd, 0xcadfaca5, + 0x258d1a44, 0xcf0bc726, 0x205971c7, 0xc1777ba3, 0x2e25cd42, + 0xc4a31020, 0x2bf1a6c1, 0x14e696e1, 0xfbb42000, 0x1132fd62, + 0xfe604b83, 0x1f4e41e7, 0xf01cf706, 0x1a9a2a64, 0xf5c89c85, + 0x03b738ed, 0xece58e0c, 0x0663536e, 0xe931e58f, 0x081fefeb, + 0xe74d590a, 0x0dcb8468, 0xe2993289, 0x3a45caf9, 0xd5177c18, + 0x3f91a17a, 0xd0c3179b, 0x31ed1dff, 0xdebfab1e, 0x3439767c, + 0xdb6bc09d, 0x2d1464f5, 0xc246d214, 0x28c00f76, 0xc792b997, + 0x26bcb3f3, 0xc9ee0512, 0x2368d870, 0xcc3a6e91, 0x49a02ed1, + 0xa6f29830, 0x4c744552, 0xa326f3b3, 0x4208f9d7, 0xad5a4f36, + 0x47dc9254, 0xa88e24b5, 0x5ef180dd, 0xb1a3363c, 0x5b25eb5e, + 0xb4775dbf, 0x555957db, 0xba0be13a, 0x508d3c58, 0xbfdf8ab9, + 0x670372c9, 0x8851c428, 0x62d7194a, 0x8d85afab, 0x6caba5cf, + 0x83f9132e, 0x697fce4c, 0x862d78ad, 0x7052dcc5, 0x9f006a24, + 0x7586b746, 0x9ad401a7, 0x7bfa0bc3, 0x94a8bd22, 0x7e2e6040, + 0x917cd6a1}, + {0x00000000, 0x87a6cb43, 0xd43c90c7, 0x539a5b84, 0x730827cf, + 0xf4aeec8c, 0xa734b708, 0x20927c4b, 0xe6104f9e, 0x61b684dd, + 0x322cdf59, 0xb58a141a, 0x95186851, 0x12bea312, 0x4124f896, + 0xc68233d5, 0x1751997d, 0x90f7523e, 0xc36d09ba, 0x44cbc2f9, + 0x6459beb2, 0xe3ff75f1, 0xb0652e75, 0x37c3e536, 0xf141d6e3, + 0x76e71da0, 0x257d4624, 0xa2db8d67, 0x8249f12c, 0x05ef3a6f, + 0x567561eb, 0xd1d3aaa8, 0x2ea332fa, 0xa905f9b9, 0xfa9fa23d, + 0x7d39697e, 0x5dab1535, 0xda0dde76, 0x899785f2, 0x0e314eb1, + 0xc8b37d64, 0x4f15b627, 0x1c8feda3, 0x9b2926e0, 0xbbbb5aab, + 0x3c1d91e8, 0x6f87ca6c, 0xe821012f, 0x39f2ab87, 0xbe5460c4, + 0xedce3b40, 0x6a68f003, 0x4afa8c48, 0xcd5c470b, 0x9ec61c8f, + 0x1960d7cc, 0xdfe2e419, 0x58442f5a, 0x0bde74de, 0x8c78bf9d, + 0xaceac3d6, 0x2b4c0895, 0x78d65311, 0xff709852, 0x5d4665f4, + 0xdae0aeb7, 0x897af533, 0x0edc3e70, 0x2e4e423b, 0xa9e88978, + 0xfa72d2fc, 0x7dd419bf, 0xbb562a6a, 0x3cf0e129, 0x6f6abaad, + 0xe8cc71ee, 0xc85e0da5, 0x4ff8c6e6, 0x1c629d62, 0x9bc45621, + 0x4a17fc89, 0xcdb137ca, 0x9e2b6c4e, 0x198da70d, 0x391fdb46, + 0xbeb91005, 0xed234b81, 0x6a8580c2, 0xac07b317, 0x2ba17854, + 0x783b23d0, 0xff9de893, 0xdf0f94d8, 0x58a95f9b, 0x0b33041f, + 0x8c95cf5c, 0x73e5570e, 0xf4439c4d, 0xa7d9c7c9, 0x207f0c8a, + 0x00ed70c1, 0x874bbb82, 0xd4d1e006, 0x53772b45, 0x95f51890, + 0x1253d3d3, 0x41c98857, 0xc66f4314, 0xe6fd3f5f, 0x615bf41c, + 0x32c1af98, 0xb56764db, 0x64b4ce73, 0xe3120530, 0xb0885eb4, + 0x372e95f7, 0x17bce9bc, 0x901a22ff, 0xc380797b, 0x4426b238, + 0x82a481ed, 0x05024aae, 0x5698112a, 0xd13eda69, 0xf1aca622, + 0x760a6d61, 0x259036e5, 0xa236fda6, 0xba8ccbe8, 0x3d2a00ab, + 0x6eb05b2f, 0xe916906c, 0xc984ec27, 0x4e222764, 0x1db87ce0, + 0x9a1eb7a3, 0x5c9c8476, 0xdb3a4f35, 0x88a014b1, 0x0f06dff2, + 0x2f94a3b9, 0xa83268fa, 0xfba8337e, 0x7c0ef83d, 0xaddd5295, + 0x2a7b99d6, 0x79e1c252, 0xfe470911, 0xded5755a, 0x5973be19, + 0x0ae9e59d, 0x8d4f2ede, 0x4bcd1d0b, 0xcc6bd648, 0x9ff18dcc, + 0x1857468f, 0x38c53ac4, 0xbf63f187, 0xecf9aa03, 0x6b5f6140, + 0x942ff912, 0x13893251, 0x401369d5, 0xc7b5a296, 0xe727dedd, + 0x6081159e, 0x331b4e1a, 0xb4bd8559, 0x723fb68c, 0xf5997dcf, + 0xa603264b, 0x21a5ed08, 0x01379143, 0x86915a00, 0xd50b0184, + 0x52adcac7, 0x837e606f, 0x04d8ab2c, 0x5742f0a8, 0xd0e43beb, + 0xf07647a0, 0x77d08ce3, 0x244ad767, 0xa3ec1c24, 0x656e2ff1, + 0xe2c8e4b2, 0xb152bf36, 0x36f47475, 0x1666083e, 0x91c0c37d, + 0xc25a98f9, 0x45fc53ba, 0xe7caae1c, 0x606c655f, 0x33f63edb, + 0xb450f598, 0x94c289d3, 0x13644290, 0x40fe1914, 0xc758d257, + 0x01dae182, 0x867c2ac1, 0xd5e67145, 0x5240ba06, 0x72d2c64d, + 0xf5740d0e, 0xa6ee568a, 0x21489dc9, 0xf09b3761, 0x773dfc22, + 0x24a7a7a6, 0xa3016ce5, 0x839310ae, 0x0435dbed, 0x57af8069, + 0xd0094b2a, 0x168b78ff, 0x912db3bc, 0xc2b7e838, 0x4511237b, + 0x65835f30, 0xe2259473, 0xb1bfcff7, 0x361904b4, 0xc9699ce6, + 0x4ecf57a5, 0x1d550c21, 0x9af3c762, 0xba61bb29, 0x3dc7706a, + 0x6e5d2bee, 0xe9fbe0ad, 0x2f79d378, 0xa8df183b, 0xfb4543bf, + 0x7ce388fc, 0x5c71f4b7, 0xdbd73ff4, 0x884d6470, 0x0febaf33, + 0xde38059b, 0x599eced8, 0x0a04955c, 0x8da25e1f, 0xad302254, + 0x2a96e917, 0x790cb293, 0xfeaa79d0, 0x38284a05, 0xbf8e8146, + 0xec14dac2, 0x6bb21181, 0x4b206dca, 0xcc86a689, 0x9f1cfd0d, + 0x18ba364e}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x43cba68700000000, 0xc7903cd400000000, + 0x845b9a5300000000, 0xcf27087300000000, 0x8cecaef400000000, + 0x08b734a700000000, 0x4b7c922000000000, 0x9e4f10e600000000, + 0xdd84b66100000000, 0x59df2c3200000000, 0x1a148ab500000000, + 0x5168189500000000, 0x12a3be1200000000, 0x96f8244100000000, + 0xd53382c600000000, 0x7d99511700000000, 0x3e52f79000000000, + 0xba096dc300000000, 0xf9c2cb4400000000, 0xb2be596400000000, + 0xf175ffe300000000, 0x752e65b000000000, 0x36e5c33700000000, + 0xe3d641f100000000, 0xa01de77600000000, 0x24467d2500000000, + 0x678ddba200000000, 0x2cf1498200000000, 0x6f3aef0500000000, + 0xeb61755600000000, 0xa8aad3d100000000, 0xfa32a32e00000000, + 0xb9f905a900000000, 0x3da29ffa00000000, 0x7e69397d00000000, + 0x3515ab5d00000000, 0x76de0dda00000000, 0xf285978900000000, + 0xb14e310e00000000, 0x647db3c800000000, 0x27b6154f00000000, + 0xa3ed8f1c00000000, 0xe026299b00000000, 0xab5abbbb00000000, + 0xe8911d3c00000000, 0x6cca876f00000000, 0x2f0121e800000000, + 0x87abf23900000000, 0xc46054be00000000, 0x403bceed00000000, + 0x03f0686a00000000, 0x488cfa4a00000000, 0x0b475ccd00000000, + 0x8f1cc69e00000000, 0xccd7601900000000, 0x19e4e2df00000000, + 0x5a2f445800000000, 0xde74de0b00000000, 0x9dbf788c00000000, + 0xd6c3eaac00000000, 0x95084c2b00000000, 0x1153d67800000000, + 0x529870ff00000000, 0xf465465d00000000, 0xb7aee0da00000000, + 0x33f57a8900000000, 0x703edc0e00000000, 0x3b424e2e00000000, + 0x7889e8a900000000, 0xfcd272fa00000000, 0xbf19d47d00000000, + 0x6a2a56bb00000000, 0x29e1f03c00000000, 0xadba6a6f00000000, + 0xee71cce800000000, 0xa50d5ec800000000, 0xe6c6f84f00000000, + 0x629d621c00000000, 0x2156c49b00000000, 0x89fc174a00000000, + 0xca37b1cd00000000, 0x4e6c2b9e00000000, 0x0da78d1900000000, + 0x46db1f3900000000, 0x0510b9be00000000, 0x814b23ed00000000, + 0xc280856a00000000, 0x17b307ac00000000, 0x5478a12b00000000, + 0xd0233b7800000000, 0x93e89dff00000000, 0xd8940fdf00000000, + 0x9b5fa95800000000, 0x1f04330b00000000, 0x5ccf958c00000000, + 0x0e57e57300000000, 0x4d9c43f400000000, 0xc9c7d9a700000000, + 0x8a0c7f2000000000, 0xc170ed0000000000, 0x82bb4b8700000000, + 0x06e0d1d400000000, 0x452b775300000000, 0x9018f59500000000, + 0xd3d3531200000000, 0x5788c94100000000, 0x14436fc600000000, + 0x5f3ffde600000000, 0x1cf45b6100000000, 0x98afc13200000000, + 0xdb6467b500000000, 0x73ceb46400000000, 0x300512e300000000, + 0xb45e88b000000000, 0xf7952e3700000000, 0xbce9bc1700000000, + 0xff221a9000000000, 0x7b7980c300000000, 0x38b2264400000000, + 0xed81a48200000000, 0xae4a020500000000, 0x2a11985600000000, + 0x69da3ed100000000, 0x22a6acf100000000, 0x616d0a7600000000, + 0xe536902500000000, 0xa6fd36a200000000, 0xe8cb8cba00000000, + 0xab002a3d00000000, 0x2f5bb06e00000000, 0x6c9016e900000000, + 0x27ec84c900000000, 0x6427224e00000000, 0xe07cb81d00000000, + 0xa3b71e9a00000000, 0x76849c5c00000000, 0x354f3adb00000000, + 0xb114a08800000000, 0xf2df060f00000000, 0xb9a3942f00000000, + 0xfa6832a800000000, 0x7e33a8fb00000000, 0x3df80e7c00000000, + 0x9552ddad00000000, 0xd6997b2a00000000, 0x52c2e17900000000, + 0x110947fe00000000, 0x5a75d5de00000000, 0x19be735900000000, + 0x9de5e90a00000000, 0xde2e4f8d00000000, 0x0b1dcd4b00000000, + 0x48d66bcc00000000, 0xcc8df19f00000000, 0x8f46571800000000, + 0xc43ac53800000000, 0x87f163bf00000000, 0x03aaf9ec00000000, + 0x40615f6b00000000, 0x12f92f9400000000, 0x5132891300000000, + 0xd569134000000000, 0x96a2b5c700000000, 0xddde27e700000000, + 0x9e15816000000000, 0x1a4e1b3300000000, 0x5985bdb400000000, + 0x8cb63f7200000000, 0xcf7d99f500000000, 0x4b2603a600000000, + 0x08eda52100000000, 0x4391370100000000, 0x005a918600000000, + 0x84010bd500000000, 0xc7caad5200000000, 0x6f607e8300000000, + 0x2cabd80400000000, 0xa8f0425700000000, 0xeb3be4d000000000, + 0xa04776f000000000, 0xe38cd07700000000, 0x67d74a2400000000, + 0x241ceca300000000, 0xf12f6e6500000000, 0xb2e4c8e200000000, + 0x36bf52b100000000, 0x7574f43600000000, 0x3e08661600000000, + 0x7dc3c09100000000, 0xf9985ac200000000, 0xba53fc4500000000, + 0x1caecae700000000, 0x5f656c6000000000, 0xdb3ef63300000000, + 0x98f550b400000000, 0xd389c29400000000, 0x9042641300000000, + 0x1419fe4000000000, 0x57d258c700000000, 0x82e1da0100000000, + 0xc12a7c8600000000, 0x4571e6d500000000, 0x06ba405200000000, + 0x4dc6d27200000000, 0x0e0d74f500000000, 0x8a56eea600000000, + 0xc99d482100000000, 0x61379bf000000000, 0x22fc3d7700000000, + 0xa6a7a72400000000, 0xe56c01a300000000, 0xae10938300000000, + 0xeddb350400000000, 0x6980af5700000000, 0x2a4b09d000000000, + 0xff788b1600000000, 0xbcb32d9100000000, 0x38e8b7c200000000, + 0x7b23114500000000, 0x305f836500000000, 0x739425e200000000, + 0xf7cfbfb100000000, 0xb404193600000000, 0xe69c69c900000000, + 0xa557cf4e00000000, 0x210c551d00000000, 0x62c7f39a00000000, + 0x29bb61ba00000000, 0x6a70c73d00000000, 0xee2b5d6e00000000, + 0xade0fbe900000000, 0x78d3792f00000000, 0x3b18dfa800000000, + 0xbf4345fb00000000, 0xfc88e37c00000000, 0xb7f4715c00000000, + 0xf43fd7db00000000, 0x70644d8800000000, 0x33afeb0f00000000, + 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0x2cb4e60a00000000, 0xf85e959100000000, 0xc56770e700000000, + 0x118d037c00000000, 0xbf15ba0a00000000, 0x6bffc99100000000, + 0x56c62ce700000000, 0x822c5f7c00000000, 0x0af75f0a00000000, + 0xde1d2c9100000000, 0xe324c9e700000000, 0x37ceba7c00000000, + 0x9956030a00000000, 0x4dbc709100000000, 0x708595e700000000, + 0xa46fe67c00000000, 0xf83e710900000000, 0x2cd4029200000000, + 0x11ede7e400000000, 0xc507947f00000000, 0x6b9f2d0900000000, + 0xbf755e9200000000, 0x824cbbe400000000, 0x56a6c87f00000000, + 0xde7dc80900000000, 0x0a97bb9200000000, 0x37ae5ee400000000, + 0xe3442d7f00000000, 0x4ddc940900000000, 0x9936e79200000000, + 0xa40f02e400000000, 0x70e5717f00000000, 0xb4b8030800000000, + 0x6052709300000000, 0x5d6b95e500000000, 0x8981e67e00000000, + 0x27195f0800000000, 0xf3f32c9300000000, 0xcecac9e500000000, + 0x1a20ba7e00000000, 0x92fbba0800000000, 0x4611c99300000000, + 0x7b282ce500000000, 0xafc25f7e00000000, 0x015ae60800000000, + 0xd5b0959300000000, 0xe88970e500000000, 0x3c63037e00000000, + 0x502b5e0e00000000, 0x84c12d9500000000, 0xb9f8c8e300000000, + 0x6d12bb7800000000, 0xc38a020e00000000, 0x1760719500000000, + 0x2a5994e300000000, 0xfeb3e77800000000, 0x7668e70e00000000, + 0xa282949500000000, 0x9fbb71e300000000, 0x4b51027800000000, + 0xe5c9bb0e00000000, 0x3123c89500000000, 0x0c1a2de300000000, + 0xd8f05e7800000000, 0x1cad2c0f00000000, 0xc8475f9400000000, + 0xf57ebae200000000, 0x2194c97900000000, 0x8f0c700f00000000, + 0x5be6039400000000, 0x66dfe6e200000000, 0xb235957900000000, + 0x3aee950f00000000, 0xee04e69400000000, 0xd33d03e200000000, + 0x07d7707900000000, 0xa94fc90f00000000, 0x7da5ba9400000000, + 0x409c5fe200000000, 0x94762c7900000000, 0xc827bb0c00000000, + 0x1ccdc89700000000, 0x21f42de100000000, 0xf51e5e7a00000000, + 0x5b86e70c00000000, 0x8f6c949700000000, 0xb25571e100000000, + 0x66bf027a00000000, 0xee64020c00000000, 0x3a8e719700000000, + 0x07b794e100000000, 0xd35de77a00000000, 0x7dc55e0c00000000, + 0xa92f2d9700000000, 0x9416c8e100000000, 0x40fcbb7a00000000, + 0x84a1c90d00000000, 0x504bba9600000000, 0x6d725fe000000000, + 0xb9982c7b00000000, 0x1700950d00000000, 0xc3eae69600000000, + 0xfed303e000000000, 0x2a39707b00000000, 0xa2e2700d00000000, + 0x7608039600000000, 0x4b31e6e000000000, 0x9fdb957b00000000, + 0x31432c0d00000000, 0xe5a95f9600000000, 0xd890bae000000000, + 0x0c7ac97b00000000}, + {0x0000000000000000, 0x2765258100000000, 0x0fcc3bd900000000, + 0x28a91e5800000000, 0x5f9e066900000000, 0x78fb23e800000000, + 0x50523db000000000, 0x7737183100000000, 0xbe3c0dd200000000, + 0x9959285300000000, 0xb1f0360b00000000, 0x9695138a00000000, + 0xe1a20bbb00000000, 0xc6c72e3a00000000, 0xee6e306200000000, + 0xc90b15e300000000, 0x3d7f6b7f00000000, 0x1a1a4efe00000000, + 0x32b350a600000000, 0x15d6752700000000, 0x62e16d1600000000, + 0x4584489700000000, 0x6d2d56cf00000000, 0x4a48734e00000000, + 0x834366ad00000000, 0xa426432c00000000, 0x8c8f5d7400000000, + 0xabea78f500000000, 0xdcdd60c400000000, 0xfbb8454500000000, + 0xd3115b1d00000000, 0xf4747e9c00000000, 0x7afed6fe00000000, + 0x5d9bf37f00000000, 0x7532ed2700000000, 0x5257c8a600000000, + 0x2560d09700000000, 0x0205f51600000000, 0x2aaceb4e00000000, + 0x0dc9cecf00000000, 0xc4c2db2c00000000, 0xe3a7fead00000000, + 0xcb0ee0f500000000, 0xec6bc57400000000, 0x9b5cdd4500000000, + 0xbc39f8c400000000, 0x9490e69c00000000, 0xb3f5c31d00000000, + 0x4781bd8100000000, 0x60e4980000000000, 0x484d865800000000, + 0x6f28a3d900000000, 0x181fbbe800000000, 0x3f7a9e6900000000, + 0x17d3803100000000, 0x30b6a5b000000000, 0xf9bdb05300000000, + 0xded895d200000000, 0xf6718b8a00000000, 0xd114ae0b00000000, + 0xa623b63a00000000, 0x814693bb00000000, 0xa9ef8de300000000, + 0x8e8aa86200000000, 0xb5fadc2600000000, 0x929ff9a700000000, + 0xba36e7ff00000000, 0x9d53c27e00000000, 0xea64da4f00000000, + 0xcd01ffce00000000, 0xe5a8e19600000000, 0xc2cdc41700000000, + 0x0bc6d1f400000000, 0x2ca3f47500000000, 0x040aea2d00000000, + 0x236fcfac00000000, 0x5458d79d00000000, 0x733df21c00000000, + 0x5b94ec4400000000, 0x7cf1c9c500000000, 0x8885b75900000000, + 0xafe092d800000000, 0x87498c8000000000, 0xa02ca90100000000, + 0xd71bb13000000000, 0xf07e94b100000000, 0xd8d78ae900000000, + 0xffb2af6800000000, 0x36b9ba8b00000000, 0x11dc9f0a00000000, + 0x3975815200000000, 0x1e10a4d300000000, 0x6927bce200000000, + 0x4e42996300000000, 0x66eb873b00000000, 0x418ea2ba00000000, + 0xcf040ad800000000, 0xe8612f5900000000, 0xc0c8310100000000, + 0xe7ad148000000000, 0x909a0cb100000000, 0xb7ff293000000000, + 0x9f56376800000000, 0xb83312e900000000, 0x7138070a00000000, + 0x565d228b00000000, 0x7ef43cd300000000, 0x5991195200000000, + 0x2ea6016300000000, 0x09c324e200000000, 0x216a3aba00000000, + 0x060f1f3b00000000, 0xf27b61a700000000, 0xd51e442600000000, + 0xfdb75a7e00000000, 0xdad27fff00000000, 0xade567ce00000000, + 0x8a80424f00000000, 0xa2295c1700000000, 0x854c799600000000, + 0x4c476c7500000000, 0x6b2249f400000000, 0x438b57ac00000000, + 0x64ee722d00000000, 0x13d96a1c00000000, 0x34bc4f9d00000000, + 0x1c1551c500000000, 0x3b70744400000000, 0x6af5b94d00000000, + 0x4d909ccc00000000, 0x6539829400000000, 0x425ca71500000000, + 0x356bbf2400000000, 0x120e9aa500000000, 0x3aa784fd00000000, + 0x1dc2a17c00000000, 0xd4c9b49f00000000, 0xf3ac911e00000000, + 0xdb058f4600000000, 0xfc60aac700000000, 0x8b57b2f600000000, + 0xac32977700000000, 0x849b892f00000000, 0xa3feacae00000000, + 0x578ad23200000000, 0x70eff7b300000000, 0x5846e9eb00000000, + 0x7f23cc6a00000000, 0x0814d45b00000000, 0x2f71f1da00000000, + 0x07d8ef8200000000, 0x20bdca0300000000, 0xe9b6dfe000000000, + 0xced3fa6100000000, 0xe67ae43900000000, 0xc11fc1b800000000, + 0xb628d98900000000, 0x914dfc0800000000, 0xb9e4e25000000000, + 0x9e81c7d100000000, 0x100b6fb300000000, 0x376e4a3200000000, + 0x1fc7546a00000000, 0x38a271eb00000000, 0x4f9569da00000000, + 0x68f04c5b00000000, 0x4059520300000000, 0x673c778200000000, + 0xae37626100000000, 0x895247e000000000, 0xa1fb59b800000000, + 0x869e7c3900000000, 0xf1a9640800000000, 0xd6cc418900000000, + 0xfe655fd100000000, 0xd9007a5000000000, 0x2d7404cc00000000, + 0x0a11214d00000000, 0x22b83f1500000000, 0x05dd1a9400000000, + 0x72ea02a500000000, 0x558f272400000000, 0x7d26397c00000000, + 0x5a431cfd00000000, 0x9348091e00000000, 0xb42d2c9f00000000, + 0x9c8432c700000000, 0xbbe1174600000000, 0xccd60f7700000000, + 0xebb32af600000000, 0xc31a34ae00000000, 0xe47f112f00000000, + 0xdf0f656b00000000, 0xf86a40ea00000000, 0xd0c35eb200000000, + 0xf7a67b3300000000, 0x8091630200000000, 0xa7f4468300000000, + 0x8f5d58db00000000, 0xa8387d5a00000000, 0x613368b900000000, + 0x46564d3800000000, 0x6eff536000000000, 0x499a76e100000000, + 0x3ead6ed000000000, 0x19c84b5100000000, 0x3161550900000000, + 0x1604708800000000, 0xe2700e1400000000, 0xc5152b9500000000, + 0xedbc35cd00000000, 0xcad9104c00000000, 0xbdee087d00000000, + 0x9a8b2dfc00000000, 0xb22233a400000000, 0x9547162500000000, + 0x5c4c03c600000000, 0x7b29264700000000, 0x5380381f00000000, + 0x74e51d9e00000000, 0x03d205af00000000, 0x24b7202e00000000, + 0x0c1e3e7600000000, 0x2b7b1bf700000000, 0xa5f1b39500000000, + 0x8294961400000000, 0xaa3d884c00000000, 0x8d58adcd00000000, + 0xfa6fb5fc00000000, 0xdd0a907d00000000, 0xf5a38e2500000000, + 0xd2c6aba400000000, 0x1bcdbe4700000000, 0x3ca89bc600000000, + 0x1401859e00000000, 0x3364a01f00000000, 0x4453b82e00000000, + 0x63369daf00000000, 0x4b9f83f700000000, 0x6cfaa67600000000, + 0x988ed8ea00000000, 0xbfebfd6b00000000, 0x9742e33300000000, + 0xb027c6b200000000, 0xc710de8300000000, 0xe075fb0200000000, + 0xc8dce55a00000000, 0xefb9c0db00000000, 0x26b2d53800000000, + 0x01d7f0b900000000, 0x297eeee100000000, 0x0e1bcb6000000000, + 0x792cd35100000000, 0x5e49f6d000000000, 0x76e0e88800000000, + 0x5185cd0900000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x9ba54c6f, 0xec3b9e9f, 0x779ed2f0, 0x03063b7f, + 0x98a37710, 0xef3da5e0, 0x7498e98f, 0x060c76fe, 0x9da93a91, + 0xea37e861, 0x7192a40e, 0x050a4d81, 0x9eaf01ee, 0xe931d31e, + 0x72949f71, 0x0c18edfc, 0x97bda193, 0xe0237363, 0x7b863f0c, + 0x0f1ed683, 0x94bb9aec, 0xe325481c, 0x78800473, 0x0a149b02, + 0x91b1d76d, 0xe62f059d, 0x7d8a49f2, 0x0912a07d, 0x92b7ec12, + 0xe5293ee2, 0x7e8c728d, 0x1831dbf8, 0x83949797, 0xf40a4567, + 0x6faf0908, 0x1b37e087, 0x8092ace8, 0xf70c7e18, 0x6ca93277, + 0x1e3dad06, 0x8598e169, 0xf2063399, 0x69a37ff6, 0x1d3b9679, + 0x869eda16, 0xf10008e6, 0x6aa54489, 0x14293604, 0x8f8c7a6b, + 0xf812a89b, 0x63b7e4f4, 0x172f0d7b, 0x8c8a4114, 0xfb1493e4, + 0x60b1df8b, 0x122540fa, 0x89800c95, 0xfe1ede65, 0x65bb920a, + 0x11237b85, 0x8a8637ea, 0xfd18e51a, 0x66bda975, 0x3063b7f0, + 0xabc6fb9f, 0xdc58296f, 0x47fd6500, 0x33658c8f, 0xa8c0c0e0, + 0xdf5e1210, 0x44fb5e7f, 0x366fc10e, 0xadca8d61, 0xda545f91, + 0x41f113fe, 0x3569fa71, 0xaeccb61e, 0xd95264ee, 0x42f72881, + 0x3c7b5a0c, 0xa7de1663, 0xd040c493, 0x4be588fc, 0x3f7d6173, + 0xa4d82d1c, 0xd346ffec, 0x48e3b383, 0x3a772cf2, 0xa1d2609d, + 0xd64cb26d, 0x4de9fe02, 0x3971178d, 0xa2d45be2, 0xd54a8912, + 0x4eefc57d, 0x28526c08, 0xb3f72067, 0xc469f297, 0x5fccbef8, + 0x2b545777, 0xb0f11b18, 0xc76fc9e8, 0x5cca8587, 0x2e5e1af6, + 0xb5fb5699, 0xc2658469, 0x59c0c806, 0x2d582189, 0xb6fd6de6, + 0xc163bf16, 0x5ac6f379, 0x244a81f4, 0xbfefcd9b, 0xc8711f6b, + 0x53d45304, 0x274cba8b, 0xbce9f6e4, 0xcb772414, 0x50d2687b, + 0x2246f70a, 0xb9e3bb65, 0xce7d6995, 0x55d825fa, 0x2140cc75, + 0xbae5801a, 0xcd7b52ea, 0x56de1e85, 0x60c76fe0, 0xfb62238f, + 0x8cfcf17f, 0x1759bd10, 0x63c1549f, 0xf86418f0, 0x8ffaca00, + 0x145f866f, 0x66cb191e, 0xfd6e5571, 0x8af08781, 0x1155cbee, + 0x65cd2261, 0xfe686e0e, 0x89f6bcfe, 0x1253f091, 0x6cdf821c, + 0xf77ace73, 0x80e41c83, 0x1b4150ec, 0x6fd9b963, 0xf47cf50c, + 0x83e227fc, 0x18476b93, 0x6ad3f4e2, 0xf176b88d, 0x86e86a7d, + 0x1d4d2612, 0x69d5cf9d, 0xf27083f2, 0x85ee5102, 0x1e4b1d6d, + 0x78f6b418, 0xe353f877, 0x94cd2a87, 0x0f6866e8, 0x7bf08f67, + 0xe055c308, 0x97cb11f8, 0x0c6e5d97, 0x7efac2e6, 0xe55f8e89, + 0x92c15c79, 0x09641016, 0x7dfcf999, 0xe659b5f6, 0x91c76706, + 0x0a622b69, 0x74ee59e4, 0xef4b158b, 0x98d5c77b, 0x03708b14, + 0x77e8629b, 0xec4d2ef4, 0x9bd3fc04, 0x0076b06b, 0x72e22f1a, + 0xe9476375, 0x9ed9b185, 0x057cfdea, 0x71e41465, 0xea41580a, + 0x9ddf8afa, 0x067ac695, 0x50a4d810, 0xcb01947f, 0xbc9f468f, + 0x273a0ae0, 0x53a2e36f, 0xc807af00, 0xbf997df0, 0x243c319f, + 0x56a8aeee, 0xcd0de281, 0xba933071, 0x21367c1e, 0x55ae9591, + 0xce0bd9fe, 0xb9950b0e, 0x22304761, 0x5cbc35ec, 0xc7197983, + 0xb087ab73, 0x2b22e71c, 0x5fba0e93, 0xc41f42fc, 0xb381900c, + 0x2824dc63, 0x5ab04312, 0xc1150f7d, 0xb68bdd8d, 0x2d2e91e2, + 0x59b6786d, 0xc2133402, 0xb58de6f2, 0x2e28aa9d, 0x489503e8, + 0xd3304f87, 0xa4ae9d77, 0x3f0bd118, 0x4b933897, 0xd03674f8, + 0xa7a8a608, 0x3c0dea67, 0x4e997516, 0xd53c3979, 0xa2a2eb89, + 0x3907a7e6, 0x4d9f4e69, 0xd63a0206, 0xa1a4d0f6, 0x3a019c99, + 0x448dee14, 0xdf28a27b, 0xa8b6708b, 0x33133ce4, 0x478bd56b, + 0xdc2e9904, 0xabb04bf4, 0x3015079b, 0x428198ea, 0xd924d485, + 0xaeba0675, 0x351f4a1a, 0x4187a395, 0xda22effa, 0xadbc3d0a, + 0x36197165}, + {0x00000000, 0xc18edfc0, 0x586cb9c1, 0x99e26601, 0xb0d97382, + 0x7157ac42, 0xe8b5ca43, 0x293b1583, 0xbac3e145, 0x7b4d3e85, + 0xe2af5884, 0x23218744, 0x0a1a92c7, 0xcb944d07, 0x52762b06, + 0x93f8f4c6, 0xaef6c4cb, 0x6f781b0b, 0xf69a7d0a, 0x3714a2ca, + 0x1e2fb749, 0xdfa16889, 0x46430e88, 0x87cdd148, 0x1435258e, + 0xd5bbfa4e, 0x4c599c4f, 0x8dd7438f, 0xa4ec560c, 0x656289cc, + 0xfc80efcd, 0x3d0e300d, 0x869c8fd7, 0x47125017, 0xdef03616, + 0x1f7ee9d6, 0x3645fc55, 0xf7cb2395, 0x6e294594, 0xafa79a54, + 0x3c5f6e92, 0xfdd1b152, 0x6433d753, 0xa5bd0893, 0x8c861d10, + 0x4d08c2d0, 0xd4eaa4d1, 0x15647b11, 0x286a4b1c, 0xe9e494dc, + 0x7006f2dd, 0xb1882d1d, 0x98b3389e, 0x593de75e, 0xc0df815f, + 0x01515e9f, 0x92a9aa59, 0x53277599, 0xcac51398, 0x0b4bcc58, + 0x2270d9db, 0xe3fe061b, 0x7a1c601a, 0xbb92bfda, 0xd64819ef, + 0x17c6c62f, 0x8e24a02e, 0x4faa7fee, 0x66916a6d, 0xa71fb5ad, + 0x3efdd3ac, 0xff730c6c, 0x6c8bf8aa, 0xad05276a, 0x34e7416b, + 0xf5699eab, 0xdc528b28, 0x1ddc54e8, 0x843e32e9, 0x45b0ed29, + 0x78bedd24, 0xb93002e4, 0x20d264e5, 0xe15cbb25, 0xc867aea6, + 0x09e97166, 0x900b1767, 0x5185c8a7, 0xc27d3c61, 0x03f3e3a1, + 0x9a1185a0, 0x5b9f5a60, 0x72a44fe3, 0xb32a9023, 0x2ac8f622, + 0xeb4629e2, 0x50d49638, 0x915a49f8, 0x08b82ff9, 0xc936f039, + 0xe00de5ba, 0x21833a7a, 0xb8615c7b, 0x79ef83bb, 0xea17777d, + 0x2b99a8bd, 0xb27bcebc, 0x73f5117c, 0x5ace04ff, 0x9b40db3f, + 0x02a2bd3e, 0xc32c62fe, 0xfe2252f3, 0x3fac8d33, 0xa64eeb32, + 0x67c034f2, 0x4efb2171, 0x8f75feb1, 0x169798b0, 0xd7194770, + 0x44e1b3b6, 0x856f6c76, 0x1c8d0a77, 0xdd03d5b7, 0xf438c034, + 0x35b61ff4, 0xac5479f5, 0x6ddaa635, 0x77e1359f, 0xb66fea5f, + 0x2f8d8c5e, 0xee03539e, 0xc738461d, 0x06b699dd, 0x9f54ffdc, + 0x5eda201c, 0xcd22d4da, 0x0cac0b1a, 0x954e6d1b, 0x54c0b2db, + 0x7dfba758, 0xbc757898, 0x25971e99, 0xe419c159, 0xd917f154, + 0x18992e94, 0x817b4895, 0x40f59755, 0x69ce82d6, 0xa8405d16, + 0x31a23b17, 0xf02ce4d7, 0x63d41011, 0xa25acfd1, 0x3bb8a9d0, + 0xfa367610, 0xd30d6393, 0x1283bc53, 0x8b61da52, 0x4aef0592, + 0xf17dba48, 0x30f36588, 0xa9110389, 0x689fdc49, 0x41a4c9ca, + 0x802a160a, 0x19c8700b, 0xd846afcb, 0x4bbe5b0d, 0x8a3084cd, + 0x13d2e2cc, 0xd25c3d0c, 0xfb67288f, 0x3ae9f74f, 0xa30b914e, + 0x62854e8e, 0x5f8b7e83, 0x9e05a143, 0x07e7c742, 0xc6691882, + 0xef520d01, 0x2edcd2c1, 0xb73eb4c0, 0x76b06b00, 0xe5489fc6, + 0x24c64006, 0xbd242607, 0x7caaf9c7, 0x5591ec44, 0x941f3384, + 0x0dfd5585, 0xcc738a45, 0xa1a92c70, 0x6027f3b0, 0xf9c595b1, + 0x384b4a71, 0x11705ff2, 0xd0fe8032, 0x491ce633, 0x889239f3, + 0x1b6acd35, 0xdae412f5, 0x430674f4, 0x8288ab34, 0xabb3beb7, + 0x6a3d6177, 0xf3df0776, 0x3251d8b6, 0x0f5fe8bb, 0xced1377b, + 0x5733517a, 0x96bd8eba, 0xbf869b39, 0x7e0844f9, 0xe7ea22f8, + 0x2664fd38, 0xb59c09fe, 0x7412d63e, 0xedf0b03f, 0x2c7e6fff, + 0x05457a7c, 0xc4cba5bc, 0x5d29c3bd, 0x9ca71c7d, 0x2735a3a7, + 0xe6bb7c67, 0x7f591a66, 0xbed7c5a6, 0x97ecd025, 0x56620fe5, + 0xcf8069e4, 0x0e0eb624, 0x9df642e2, 0x5c789d22, 0xc59afb23, + 0x041424e3, 0x2d2f3160, 0xeca1eea0, 0x754388a1, 0xb4cd5761, + 0x89c3676c, 0x484db8ac, 0xd1afdead, 0x1021016d, 0x391a14ee, + 0xf894cb2e, 0x6176ad2f, 0xa0f872ef, 0x33008629, 0xf28e59e9, + 0x6b6c3fe8, 0xaae2e028, 0x83d9f5ab, 0x42572a6b, 0xdbb54c6a, + 0x1a3b93aa}, + {0x00000000, 0xefc26b3e, 0x04f5d03d, 0xeb37bb03, 0x09eba07a, + 0xe629cb44, 0x0d1e7047, 0xe2dc1b79, 0x13d740f4, 0xfc152bca, + 0x172290c9, 0xf8e0fbf7, 0x1a3ce08e, 0xf5fe8bb0, 0x1ec930b3, + 0xf10b5b8d, 0x27ae81e8, 0xc86cead6, 0x235b51d5, 0xcc993aeb, + 0x2e452192, 0xc1874aac, 0x2ab0f1af, 0xc5729a91, 0x3479c11c, + 0xdbbbaa22, 0x308c1121, 0xdf4e7a1f, 0x3d926166, 0xd2500a58, + 0x3967b15b, 0xd6a5da65, 0x4f5d03d0, 0xa09f68ee, 0x4ba8d3ed, + 0xa46ab8d3, 0x46b6a3aa, 0xa974c894, 0x42437397, 0xad8118a9, + 0x5c8a4324, 0xb348281a, 0x587f9319, 0xb7bdf827, 0x5561e35e, + 0xbaa38860, 0x51943363, 0xbe56585d, 0x68f38238, 0x8731e906, + 0x6c065205, 0x83c4393b, 0x61182242, 0x8eda497c, 0x65edf27f, + 0x8a2f9941, 0x7b24c2cc, 0x94e6a9f2, 0x7fd112f1, 0x901379cf, + 0x72cf62b6, 0x9d0d0988, 0x763ab28b, 0x99f8d9b5, 0x9eba07a0, + 0x71786c9e, 0x9a4fd79d, 0x758dbca3, 0x9751a7da, 0x7893cce4, + 0x93a477e7, 0x7c661cd9, 0x8d6d4754, 0x62af2c6a, 0x89989769, + 0x665afc57, 0x8486e72e, 0x6b448c10, 0x80733713, 0x6fb15c2d, + 0xb9148648, 0x56d6ed76, 0xbde15675, 0x52233d4b, 0xb0ff2632, + 0x5f3d4d0c, 0xb40af60f, 0x5bc89d31, 0xaac3c6bc, 0x4501ad82, + 0xae361681, 0x41f47dbf, 0xa32866c6, 0x4cea0df8, 0xa7ddb6fb, + 0x481fddc5, 0xd1e70470, 0x3e256f4e, 0xd512d44d, 0x3ad0bf73, + 0xd80ca40a, 0x37cecf34, 0xdcf97437, 0x333b1f09, 0xc2304484, + 0x2df22fba, 0xc6c594b9, 0x2907ff87, 0xcbdbe4fe, 0x24198fc0, + 0xcf2e34c3, 0x20ec5ffd, 0xf6498598, 0x198beea6, 0xf2bc55a5, + 0x1d7e3e9b, 0xffa225e2, 0x10604edc, 0xfb57f5df, 0x14959ee1, + 0xe59ec56c, 0x0a5cae52, 0xe16b1551, 0x0ea97e6f, 0xec756516, + 0x03b70e28, 0xe880b52b, 0x0742de15, 0xe6050901, 0x09c7623f, + 0xe2f0d93c, 0x0d32b202, 0xefeea97b, 0x002cc245, 0xeb1b7946, + 0x04d91278, 0xf5d249f5, 0x1a1022cb, 0xf12799c8, 0x1ee5f2f6, + 0xfc39e98f, 0x13fb82b1, 0xf8cc39b2, 0x170e528c, 0xc1ab88e9, + 0x2e69e3d7, 0xc55e58d4, 0x2a9c33ea, 0xc8402893, 0x278243ad, + 0xccb5f8ae, 0x23779390, 0xd27cc81d, 0x3dbea323, 0xd6891820, + 0x394b731e, 0xdb976867, 0x34550359, 0xdf62b85a, 0x30a0d364, + 0xa9580ad1, 0x469a61ef, 0xadaddaec, 0x426fb1d2, 0xa0b3aaab, + 0x4f71c195, 0xa4467a96, 0x4b8411a8, 0xba8f4a25, 0x554d211b, + 0xbe7a9a18, 0x51b8f126, 0xb364ea5f, 0x5ca68161, 0xb7913a62, + 0x5853515c, 0x8ef68b39, 0x6134e007, 0x8a035b04, 0x65c1303a, + 0x871d2b43, 0x68df407d, 0x83e8fb7e, 0x6c2a9040, 0x9d21cbcd, + 0x72e3a0f3, 0x99d41bf0, 0x761670ce, 0x94ca6bb7, 0x7b080089, + 0x903fbb8a, 0x7ffdd0b4, 0x78bf0ea1, 0x977d659f, 0x7c4ade9c, + 0x9388b5a2, 0x7154aedb, 0x9e96c5e5, 0x75a17ee6, 0x9a6315d8, + 0x6b684e55, 0x84aa256b, 0x6f9d9e68, 0x805ff556, 0x6283ee2f, + 0x8d418511, 0x66763e12, 0x89b4552c, 0x5f118f49, 0xb0d3e477, + 0x5be45f74, 0xb426344a, 0x56fa2f33, 0xb938440d, 0x520fff0e, + 0xbdcd9430, 0x4cc6cfbd, 0xa304a483, 0x48331f80, 0xa7f174be, + 0x452d6fc7, 0xaaef04f9, 0x41d8bffa, 0xae1ad4c4, 0x37e20d71, + 0xd820664f, 0x3317dd4c, 0xdcd5b672, 0x3e09ad0b, 0xd1cbc635, + 0x3afc7d36, 0xd53e1608, 0x24354d85, 0xcbf726bb, 0x20c09db8, + 0xcf02f686, 0x2ddeedff, 0xc21c86c1, 0x292b3dc2, 0xc6e956fc, + 0x104c8c99, 0xff8ee7a7, 0x14b95ca4, 0xfb7b379a, 0x19a72ce3, + 0xf66547dd, 0x1d52fcde, 0xf29097e0, 0x039bcc6d, 0xec59a753, + 0x076e1c50, 0xe8ac776e, 0x0a706c17, 0xe5b20729, 0x0e85bc2a, + 0xe147d714}, + {0x00000000, 0x177b1443, 0x2ef62886, 0x398d3cc5, 0x5dec510c, + 0x4a97454f, 0x731a798a, 0x64616dc9, 0xbbd8a218, 0xaca3b65b, + 0x952e8a9e, 0x82559edd, 0xe634f314, 0xf14fe757, 0xc8c2db92, + 0xdfb9cfd1, 0xacc04271, 0xbbbb5632, 0x82366af7, 0x954d7eb4, + 0xf12c137d, 0xe657073e, 0xdfda3bfb, 0xc8a12fb8, 0x1718e069, + 0x0063f42a, 0x39eec8ef, 0x2e95dcac, 0x4af4b165, 0x5d8fa526, + 0x640299e3, 0x73798da0, 0x82f182a3, 0x958a96e0, 0xac07aa25, + 0xbb7cbe66, 0xdf1dd3af, 0xc866c7ec, 0xf1ebfb29, 0xe690ef6a, + 0x392920bb, 0x2e5234f8, 0x17df083d, 0x00a41c7e, 0x64c571b7, + 0x73be65f4, 0x4a335931, 0x5d484d72, 0x2e31c0d2, 0x394ad491, + 0x00c7e854, 0x17bcfc17, 0x73dd91de, 0x64a6859d, 0x5d2bb958, + 0x4a50ad1b, 0x95e962ca, 0x82927689, 0xbb1f4a4c, 0xac645e0f, + 0xc80533c6, 0xdf7e2785, 0xe6f31b40, 0xf1880f03, 0xde920307, + 0xc9e91744, 0xf0642b81, 0xe71f3fc2, 0x837e520b, 0x94054648, + 0xad887a8d, 0xbaf36ece, 0x654aa11f, 0x7231b55c, 0x4bbc8999, + 0x5cc79dda, 0x38a6f013, 0x2fdde450, 0x1650d895, 0x012bccd6, + 0x72524176, 0x65295535, 0x5ca469f0, 0x4bdf7db3, 0x2fbe107a, + 0x38c50439, 0x014838fc, 0x16332cbf, 0xc98ae36e, 0xdef1f72d, + 0xe77ccbe8, 0xf007dfab, 0x9466b262, 0x831da621, 0xba909ae4, + 0xadeb8ea7, 0x5c6381a4, 0x4b1895e7, 0x7295a922, 0x65eebd61, + 0x018fd0a8, 0x16f4c4eb, 0x2f79f82e, 0x3802ec6d, 0xe7bb23bc, + 0xf0c037ff, 0xc94d0b3a, 0xde361f79, 0xba5772b0, 0xad2c66f3, + 0x94a15a36, 0x83da4e75, 0xf0a3c3d5, 0xe7d8d796, 0xde55eb53, + 0xc92eff10, 0xad4f92d9, 0xba34869a, 0x83b9ba5f, 0x94c2ae1c, + 0x4b7b61cd, 0x5c00758e, 0x658d494b, 0x72f65d08, 0x169730c1, + 0x01ec2482, 0x38611847, 0x2f1a0c04, 0x6655004f, 0x712e140c, + 0x48a328c9, 0x5fd83c8a, 0x3bb95143, 0x2cc24500, 0x154f79c5, + 0x02346d86, 0xdd8da257, 0xcaf6b614, 0xf37b8ad1, 0xe4009e92, + 0x8061f35b, 0x971ae718, 0xae97dbdd, 0xb9eccf9e, 0xca95423e, + 0xddee567d, 0xe4636ab8, 0xf3187efb, 0x97791332, 0x80020771, + 0xb98f3bb4, 0xaef42ff7, 0x714de026, 0x6636f465, 0x5fbbc8a0, + 0x48c0dce3, 0x2ca1b12a, 0x3bdaa569, 0x025799ac, 0x152c8def, + 0xe4a482ec, 0xf3df96af, 0xca52aa6a, 0xdd29be29, 0xb948d3e0, + 0xae33c7a3, 0x97befb66, 0x80c5ef25, 0x5f7c20f4, 0x480734b7, + 0x718a0872, 0x66f11c31, 0x029071f8, 0x15eb65bb, 0x2c66597e, + 0x3b1d4d3d, 0x4864c09d, 0x5f1fd4de, 0x6692e81b, 0x71e9fc58, + 0x15889191, 0x02f385d2, 0x3b7eb917, 0x2c05ad54, 0xf3bc6285, + 0xe4c776c6, 0xdd4a4a03, 0xca315e40, 0xae503389, 0xb92b27ca, + 0x80a61b0f, 0x97dd0f4c, 0xb8c70348, 0xafbc170b, 0x96312bce, + 0x814a3f8d, 0xe52b5244, 0xf2504607, 0xcbdd7ac2, 0xdca66e81, + 0x031fa150, 0x1464b513, 0x2de989d6, 0x3a929d95, 0x5ef3f05c, + 0x4988e41f, 0x7005d8da, 0x677ecc99, 0x14074139, 0x037c557a, + 0x3af169bf, 0x2d8a7dfc, 0x49eb1035, 0x5e900476, 0x671d38b3, + 0x70662cf0, 0xafdfe321, 0xb8a4f762, 0x8129cba7, 0x9652dfe4, + 0xf233b22d, 0xe548a66e, 0xdcc59aab, 0xcbbe8ee8, 0x3a3681eb, + 0x2d4d95a8, 0x14c0a96d, 0x03bbbd2e, 0x67dad0e7, 0x70a1c4a4, + 0x492cf861, 0x5e57ec22, 0x81ee23f3, 0x969537b0, 0xaf180b75, + 0xb8631f36, 0xdc0272ff, 0xcb7966bc, 0xf2f45a79, 0xe58f4e3a, + 0x96f6c39a, 0x818dd7d9, 0xb800eb1c, 0xaf7bff5f, 0xcb1a9296, + 0xdc6186d5, 0xe5ecba10, 0xf297ae53, 0x2d2e6182, 0x3a5575c1, + 0x03d84904, 0x14a35d47, 0x70c2308e, 0x67b924cd, 0x5e341808, + 0x494f0c4b}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x43147b17, 0x8628f62e, 0xc53c8d39, 0x0c51ec5d, + 0x4f45974a, 0x8a791a73, 0xc96d6164, 0x18a2d8bb, 0x5bb6a3ac, + 0x9e8a2e95, 0xdd9e5582, 0x14f334e6, 0x57e74ff1, 0x92dbc2c8, + 0xd1cfb9df, 0x7142c0ac, 0x3256bbbb, 0xf76a3682, 0xb47e4d95, + 0x7d132cf1, 0x3e0757e6, 0xfb3bdadf, 0xb82fa1c8, 0x69e01817, + 0x2af46300, 0xefc8ee39, 0xacdc952e, 0x65b1f44a, 0x26a58f5d, + 0xe3990264, 0xa08d7973, 0xa382f182, 0xe0968a95, 0x25aa07ac, + 0x66be7cbb, 0xafd31ddf, 0xecc766c8, 0x29fbebf1, 0x6aef90e6, + 0xbb202939, 0xf834522e, 0x3d08df17, 0x7e1ca400, 0xb771c564, + 0xf465be73, 0x3159334a, 0x724d485d, 0xd2c0312e, 0x91d44a39, + 0x54e8c700, 0x17fcbc17, 0xde91dd73, 0x9d85a664, 0x58b92b5d, + 0x1bad504a, 0xca62e995, 0x89769282, 0x4c4a1fbb, 0x0f5e64ac, + 0xc63305c8, 0x85277edf, 0x401bf3e6, 0x030f88f1, 0x070392de, + 0x4417e9c9, 0x812b64f0, 0xc23f1fe7, 0x0b527e83, 0x48460594, + 0x8d7a88ad, 0xce6ef3ba, 0x1fa14a65, 0x5cb53172, 0x9989bc4b, + 0xda9dc75c, 0x13f0a638, 0x50e4dd2f, 0x95d85016, 0xd6cc2b01, + 0x76415272, 0x35552965, 0xf069a45c, 0xb37ddf4b, 0x7a10be2f, + 0x3904c538, 0xfc384801, 0xbf2c3316, 0x6ee38ac9, 0x2df7f1de, + 0xe8cb7ce7, 0xabdf07f0, 0x62b26694, 0x21a61d83, 0xe49a90ba, + 0xa78eebad, 0xa481635c, 0xe795184b, 0x22a99572, 0x61bdee65, + 0xa8d08f01, 0xebc4f416, 0x2ef8792f, 0x6dec0238, 0xbc23bbe7, + 0xff37c0f0, 0x3a0b4dc9, 0x791f36de, 0xb07257ba, 0xf3662cad, + 0x365aa194, 0x754eda83, 0xd5c3a3f0, 0x96d7d8e7, 0x53eb55de, + 0x10ff2ec9, 0xd9924fad, 0x9a8634ba, 0x5fbab983, 0x1caec294, + 0xcd617b4b, 0x8e75005c, 0x4b498d65, 0x085df672, 0xc1309716, + 0x8224ec01, 0x47186138, 0x040c1a2f, 0x4f005566, 0x0c142e71, + 0xc928a348, 0x8a3cd85f, 0x4351b93b, 0x0045c22c, 0xc5794f15, + 0x866d3402, 0x57a28ddd, 0x14b6f6ca, 0xd18a7bf3, 0x929e00e4, + 0x5bf36180, 0x18e71a97, 0xdddb97ae, 0x9ecfecb9, 0x3e4295ca, + 0x7d56eedd, 0xb86a63e4, 0xfb7e18f3, 0x32137997, 0x71070280, + 0xb43b8fb9, 0xf72ff4ae, 0x26e04d71, 0x65f43666, 0xa0c8bb5f, + 0xe3dcc048, 0x2ab1a12c, 0x69a5da3b, 0xac995702, 0xef8d2c15, + 0xec82a4e4, 0xaf96dff3, 0x6aaa52ca, 0x29be29dd, 0xe0d348b9, + 0xa3c733ae, 0x66fbbe97, 0x25efc580, 0xf4207c5f, 0xb7340748, + 0x72088a71, 0x311cf166, 0xf8719002, 0xbb65eb15, 0x7e59662c, + 0x3d4d1d3b, 0x9dc06448, 0xded41f5f, 0x1be89266, 0x58fce971, + 0x91918815, 0xd285f302, 0x17b97e3b, 0x54ad052c, 0x8562bcf3, + 0xc676c7e4, 0x034a4add, 0x405e31ca, 0x893350ae, 0xca272bb9, + 0x0f1ba680, 0x4c0fdd97, 0x4803c7b8, 0x0b17bcaf, 0xce2b3196, + 0x8d3f4a81, 0x44522be5, 0x074650f2, 0xc27addcb, 0x816ea6dc, + 0x50a11f03, 0x13b56414, 0xd689e92d, 0x959d923a, 0x5cf0f35e, + 0x1fe48849, 0xdad80570, 0x99cc7e67, 0x39410714, 0x7a557c03, + 0xbf69f13a, 0xfc7d8a2d, 0x3510eb49, 0x7604905e, 0xb3381d67, + 0xf02c6670, 0x21e3dfaf, 0x62f7a4b8, 0xa7cb2981, 0xe4df5296, + 0x2db233f2, 0x6ea648e5, 0xab9ac5dc, 0xe88ebecb, 0xeb81363a, + 0xa8954d2d, 0x6da9c014, 0x2ebdbb03, 0xe7d0da67, 0xa4c4a170, + 0x61f82c49, 0x22ec575e, 0xf323ee81, 0xb0379596, 0x750b18af, + 0x361f63b8, 0xff7202dc, 0xbc6679cb, 0x795af4f2, 0x3a4e8fe5, + 0x9ac3f696, 0xd9d78d81, 0x1ceb00b8, 0x5fff7baf, 0x96921acb, + 0xd58661dc, 0x10baece5, 0x53ae97f2, 0x82612e2d, 0xc175553a, + 0x0449d803, 0x475da314, 0x8e30c270, 0xcd24b967, 0x0818345e, + 0x4b0c4f49}, + {0x00000000, 0x3e6bc2ef, 0x3dd0f504, 0x03bb37eb, 0x7aa0eb09, + 0x44cb29e6, 0x47701e0d, 0x791bdce2, 0xf440d713, 0xca2b15fc, + 0xc9902217, 0xf7fbe0f8, 0x8ee03c1a, 0xb08bfef5, 0xb330c91e, + 0x8d5b0bf1, 0xe881ae27, 0xd6ea6cc8, 0xd5515b23, 0xeb3a99cc, + 0x9221452e, 0xac4a87c1, 0xaff1b02a, 0x919a72c5, 0x1cc17934, + 0x22aabbdb, 0x21118c30, 0x1f7a4edf, 0x6661923d, 0x580a50d2, + 0x5bb16739, 0x65daa5d6, 0xd0035d4f, 0xee689fa0, 0xedd3a84b, + 0xd3b86aa4, 0xaaa3b646, 0x94c874a9, 0x97734342, 0xa91881ad, + 0x24438a5c, 0x1a2848b3, 0x19937f58, 0x27f8bdb7, 0x5ee36155, + 0x6088a3ba, 0x63339451, 0x5d5856be, 0x3882f368, 0x06e93187, + 0x0552066c, 0x3b39c483, 0x42221861, 0x7c49da8e, 0x7ff2ed65, + 0x41992f8a, 0xccc2247b, 0xf2a9e694, 0xf112d17f, 0xcf791390, + 0xb662cf72, 0x88090d9d, 0x8bb23a76, 0xb5d9f899, 0xa007ba9e, + 0x9e6c7871, 0x9dd74f9a, 0xa3bc8d75, 0xdaa75197, 0xe4cc9378, + 0xe777a493, 0xd91c667c, 0x54476d8d, 0x6a2caf62, 0x69979889, + 0x57fc5a66, 0x2ee78684, 0x108c446b, 0x13377380, 0x2d5cb16f, + 0x488614b9, 0x76edd656, 0x7556e1bd, 0x4b3d2352, 0x3226ffb0, + 0x0c4d3d5f, 0x0ff60ab4, 0x319dc85b, 0xbcc6c3aa, 0x82ad0145, + 0x811636ae, 0xbf7df441, 0xc66628a3, 0xf80dea4c, 0xfbb6dda7, + 0xc5dd1f48, 0x7004e7d1, 0x4e6f253e, 0x4dd412d5, 0x73bfd03a, + 0x0aa40cd8, 0x34cfce37, 0x3774f9dc, 0x091f3b33, 0x844430c2, + 0xba2ff22d, 0xb994c5c6, 0x87ff0729, 0xfee4dbcb, 0xc08f1924, + 0xc3342ecf, 0xfd5fec20, 0x988549f6, 0xa6ee8b19, 0xa555bcf2, + 0x9b3e7e1d, 0xe225a2ff, 0xdc4e6010, 0xdff557fb, 0xe19e9514, + 0x6cc59ee5, 0x52ae5c0a, 0x51156be1, 0x6f7ea90e, 0x166575ec, + 0x280eb703, 0x2bb580e8, 0x15de4207, 0x010905e6, 0x3f62c709, + 0x3cd9f0e2, 0x02b2320d, 0x7ba9eeef, 0x45c22c00, 0x46791beb, + 0x7812d904, 0xf549d2f5, 0xcb22101a, 0xc89927f1, 0xf6f2e51e, + 0x8fe939fc, 0xb182fb13, 0xb239ccf8, 0x8c520e17, 0xe988abc1, + 0xd7e3692e, 0xd4585ec5, 0xea339c2a, 0x932840c8, 0xad438227, + 0xaef8b5cc, 0x90937723, 0x1dc87cd2, 0x23a3be3d, 0x201889d6, + 0x1e734b39, 0x676897db, 0x59035534, 0x5ab862df, 0x64d3a030, + 0xd10a58a9, 0xef619a46, 0xecdaadad, 0xd2b16f42, 0xabaab3a0, + 0x95c1714f, 0x967a46a4, 0xa811844b, 0x254a8fba, 0x1b214d55, + 0x189a7abe, 0x26f1b851, 0x5fea64b3, 0x6181a65c, 0x623a91b7, + 0x5c515358, 0x398bf68e, 0x07e03461, 0x045b038a, 0x3a30c165, + 0x432b1d87, 0x7d40df68, 0x7efbe883, 0x40902a6c, 0xcdcb219d, + 0xf3a0e372, 0xf01bd499, 0xce701676, 0xb76bca94, 0x8900087b, + 0x8abb3f90, 0xb4d0fd7f, 0xa10ebf78, 0x9f657d97, 0x9cde4a7c, + 0xa2b58893, 0xdbae5471, 0xe5c5969e, 0xe67ea175, 0xd815639a, + 0x554e686b, 0x6b25aa84, 0x689e9d6f, 0x56f55f80, 0x2fee8362, + 0x1185418d, 0x123e7666, 0x2c55b489, 0x498f115f, 0x77e4d3b0, + 0x745fe45b, 0x4a3426b4, 0x332ffa56, 0x0d4438b9, 0x0eff0f52, + 0x3094cdbd, 0xbdcfc64c, 0x83a404a3, 0x801f3348, 0xbe74f1a7, + 0xc76f2d45, 0xf904efaa, 0xfabfd841, 0xc4d41aae, 0x710de237, + 0x4f6620d8, 0x4cdd1733, 0x72b6d5dc, 0x0bad093e, 0x35c6cbd1, + 0x367dfc3a, 0x08163ed5, 0x854d3524, 0xbb26f7cb, 0xb89dc020, + 0x86f602cf, 0xffedde2d, 0xc1861cc2, 0xc23d2b29, 0xfc56e9c6, + 0x998c4c10, 0xa7e78eff, 0xa45cb914, 0x9a377bfb, 0xe32ca719, + 0xdd4765f6, 0xdefc521d, 0xe09790f2, 0x6dcc9b03, 0x53a759ec, + 0x501c6e07, 0x6e77ace8, 0x176c700a, 0x2907b2e5, 0x2abc850e, + 0x14d747e1}, + {0x00000000, 0xc0df8ec1, 0xc1b96c58, 0x0166e299, 0x8273d9b0, + 0x42ac5771, 0x43cab5e8, 0x83153b29, 0x45e1c3ba, 0x853e4d7b, + 0x8458afe2, 0x44872123, 0xc7921a0a, 0x074d94cb, 0x062b7652, + 0xc6f4f893, 0xcbc4f6ae, 0x0b1b786f, 0x0a7d9af6, 0xcaa21437, + 0x49b72f1e, 0x8968a1df, 0x880e4346, 0x48d1cd87, 0x8e253514, + 0x4efabbd5, 0x4f9c594c, 0x8f43d78d, 0x0c56eca4, 0xcc896265, + 0xcdef80fc, 0x0d300e3d, 0xd78f9c86, 0x17501247, 0x1636f0de, + 0xd6e97e1f, 0x55fc4536, 0x9523cbf7, 0x9445296e, 0x549aa7af, + 0x926e5f3c, 0x52b1d1fd, 0x53d73364, 0x9308bda5, 0x101d868c, + 0xd0c2084d, 0xd1a4ead4, 0x117b6415, 0x1c4b6a28, 0xdc94e4e9, + 0xddf20670, 0x1d2d88b1, 0x9e38b398, 0x5ee73d59, 0x5f81dfc0, + 0x9f5e5101, 0x59aaa992, 0x99752753, 0x9813c5ca, 0x58cc4b0b, + 0xdbd97022, 0x1b06fee3, 0x1a601c7a, 0xdabf92bb, 0xef1948d6, + 0x2fc6c617, 0x2ea0248e, 0xee7faa4f, 0x6d6a9166, 0xadb51fa7, + 0xacd3fd3e, 0x6c0c73ff, 0xaaf88b6c, 0x6a2705ad, 0x6b41e734, + 0xab9e69f5, 0x288b52dc, 0xe854dc1d, 0xe9323e84, 0x29edb045, + 0x24ddbe78, 0xe40230b9, 0xe564d220, 0x25bb5ce1, 0xa6ae67c8, + 0x6671e909, 0x67170b90, 0xa7c88551, 0x613c7dc2, 0xa1e3f303, + 0xa085119a, 0x605a9f5b, 0xe34fa472, 0x23902ab3, 0x22f6c82a, + 0xe22946eb, 0x3896d450, 0xf8495a91, 0xf92fb808, 0x39f036c9, + 0xbae50de0, 0x7a3a8321, 0x7b5c61b8, 0xbb83ef79, 0x7d7717ea, + 0xbda8992b, 0xbcce7bb2, 0x7c11f573, 0xff04ce5a, 0x3fdb409b, + 0x3ebda202, 0xfe622cc3, 0xf35222fe, 0x338dac3f, 0x32eb4ea6, + 0xf234c067, 0x7121fb4e, 0xb1fe758f, 0xb0989716, 0x704719d7, + 0xb6b3e144, 0x766c6f85, 0x770a8d1c, 0xb7d503dd, 0x34c038f4, + 0xf41fb635, 0xf57954ac, 0x35a6da6d, 0x9f35e177, 0x5fea6fb6, + 0x5e8c8d2f, 0x9e5303ee, 0x1d4638c7, 0xdd99b606, 0xdcff549f, + 0x1c20da5e, 0xdad422cd, 0x1a0bac0c, 0x1b6d4e95, 0xdbb2c054, + 0x58a7fb7d, 0x987875bc, 0x991e9725, 0x59c119e4, 0x54f117d9, + 0x942e9918, 0x95487b81, 0x5597f540, 0xd682ce69, 0x165d40a8, + 0x173ba231, 0xd7e42cf0, 0x1110d463, 0xd1cf5aa2, 0xd0a9b83b, + 0x107636fa, 0x93630dd3, 0x53bc8312, 0x52da618b, 0x9205ef4a, + 0x48ba7df1, 0x8865f330, 0x890311a9, 0x49dc9f68, 0xcac9a441, + 0x0a162a80, 0x0b70c819, 0xcbaf46d8, 0x0d5bbe4b, 0xcd84308a, + 0xcce2d213, 0x0c3d5cd2, 0x8f2867fb, 0x4ff7e93a, 0x4e910ba3, + 0x8e4e8562, 0x837e8b5f, 0x43a1059e, 0x42c7e707, 0x821869c6, + 0x010d52ef, 0xc1d2dc2e, 0xc0b43eb7, 0x006bb076, 0xc69f48e5, + 0x0640c624, 0x072624bd, 0xc7f9aa7c, 0x44ec9155, 0x84331f94, + 0x8555fd0d, 0x458a73cc, 0x702ca9a1, 0xb0f32760, 0xb195c5f9, + 0x714a4b38, 0xf25f7011, 0x3280fed0, 0x33e61c49, 0xf3399288, + 0x35cd6a1b, 0xf512e4da, 0xf4740643, 0x34ab8882, 0xb7beb3ab, + 0x77613d6a, 0x7607dff3, 0xb6d85132, 0xbbe85f0f, 0x7b37d1ce, + 0x7a513357, 0xba8ebd96, 0x399b86bf, 0xf944087e, 0xf822eae7, + 0x38fd6426, 0xfe099cb5, 0x3ed61274, 0x3fb0f0ed, 0xff6f7e2c, + 0x7c7a4505, 0xbca5cbc4, 0xbdc3295d, 0x7d1ca79c, 0xa7a33527, + 0x677cbbe6, 0x661a597f, 0xa6c5d7be, 0x25d0ec97, 0xe50f6256, + 0xe46980cf, 0x24b60e0e, 0xe242f69d, 0x229d785c, 0x23fb9ac5, + 0xe3241404, 0x60312f2d, 0xa0eea1ec, 0xa1884375, 0x6157cdb4, + 0x6c67c389, 0xacb84d48, 0xaddeafd1, 0x6d012110, 0xee141a39, + 0x2ecb94f8, 0x2fad7661, 0xef72f8a0, 0x29860033, 0xe9598ef2, + 0xe83f6c6b, 0x28e0e2aa, 0xabf5d983, 0x6b2a5742, 0x6a4cb5db, + 0xaa933b1a}, + {0x00000000, 0x6f4ca59b, 0x9f9e3bec, 0xf0d29e77, 0x7f3b0603, + 0x1077a398, 0xe0a53def, 0x8fe99874, 0xfe760c06, 0x913aa99d, + 0x61e837ea, 0x0ea49271, 0x814d0a05, 0xee01af9e, 0x1ed331e9, + 0x719f9472, 0xfced180c, 0x93a1bd97, 0x637323e0, 0x0c3f867b, + 0x83d61e0f, 0xec9abb94, 0x1c4825e3, 0x73048078, 0x029b140a, + 0x6dd7b191, 0x9d052fe6, 0xf2498a7d, 0x7da01209, 0x12ecb792, + 0xe23e29e5, 0x8d728c7e, 0xf8db3118, 0x97979483, 0x67450af4, + 0x0809af6f, 0x87e0371b, 0xe8ac9280, 0x187e0cf7, 0x7732a96c, + 0x06ad3d1e, 0x69e19885, 0x993306f2, 0xf67fa369, 0x79963b1d, + 0x16da9e86, 0xe60800f1, 0x8944a56a, 0x04362914, 0x6b7a8c8f, + 0x9ba812f8, 0xf4e4b763, 0x7b0d2f17, 0x14418a8c, 0xe49314fb, + 0x8bdfb160, 0xfa402512, 0x950c8089, 0x65de1efe, 0x0a92bb65, + 0x857b2311, 0xea37868a, 0x1ae518fd, 0x75a9bd66, 0xf0b76330, + 0x9ffbc6ab, 0x6f2958dc, 0x0065fd47, 0x8f8c6533, 0xe0c0c0a8, + 0x10125edf, 0x7f5efb44, 0x0ec16f36, 0x618dcaad, 0x915f54da, + 0xfe13f141, 0x71fa6935, 0x1eb6ccae, 0xee6452d9, 0x8128f742, + 0x0c5a7b3c, 0x6316dea7, 0x93c440d0, 0xfc88e54b, 0x73617d3f, + 0x1c2dd8a4, 0xecff46d3, 0x83b3e348, 0xf22c773a, 0x9d60d2a1, + 0x6db24cd6, 0x02fee94d, 0x8d177139, 0xe25bd4a2, 0x12894ad5, + 0x7dc5ef4e, 0x086c5228, 0x6720f7b3, 0x97f269c4, 0xf8becc5f, + 0x7757542b, 0x181bf1b0, 0xe8c96fc7, 0x8785ca5c, 0xf61a5e2e, + 0x9956fbb5, 0x698465c2, 0x06c8c059, 0x8921582d, 0xe66dfdb6, + 0x16bf63c1, 0x79f3c65a, 0xf4814a24, 0x9bcdefbf, 0x6b1f71c8, + 0x0453d453, 0x8bba4c27, 0xe4f6e9bc, 0x142477cb, 0x7b68d250, + 0x0af74622, 0x65bbe3b9, 0x95697dce, 0xfa25d855, 0x75cc4021, + 0x1a80e5ba, 0xea527bcd, 0x851ede56, 0xe06fc760, 0x8f2362fb, + 0x7ff1fc8c, 0x10bd5917, 0x9f54c163, 0xf01864f8, 0x00cafa8f, + 0x6f865f14, 0x1e19cb66, 0x71556efd, 0x8187f08a, 0xeecb5511, + 0x6122cd65, 0x0e6e68fe, 0xfebcf689, 0x91f05312, 0x1c82df6c, + 0x73ce7af7, 0x831ce480, 0xec50411b, 0x63b9d96f, 0x0cf57cf4, + 0xfc27e283, 0x936b4718, 0xe2f4d36a, 0x8db876f1, 0x7d6ae886, + 0x12264d1d, 0x9dcfd569, 0xf28370f2, 0x0251ee85, 0x6d1d4b1e, + 0x18b4f678, 0x77f853e3, 0x872acd94, 0xe866680f, 0x678ff07b, + 0x08c355e0, 0xf811cb97, 0x975d6e0c, 0xe6c2fa7e, 0x898e5fe5, + 0x795cc192, 0x16106409, 0x99f9fc7d, 0xf6b559e6, 0x0667c791, + 0x692b620a, 0xe459ee74, 0x8b154bef, 0x7bc7d598, 0x148b7003, + 0x9b62e877, 0xf42e4dec, 0x04fcd39b, 0x6bb07600, 0x1a2fe272, + 0x756347e9, 0x85b1d99e, 0xeafd7c05, 0x6514e471, 0x0a5841ea, + 0xfa8adf9d, 0x95c67a06, 0x10d8a450, 0x7f9401cb, 0x8f469fbc, + 0xe00a3a27, 0x6fe3a253, 0x00af07c8, 0xf07d99bf, 0x9f313c24, + 0xeeaea856, 0x81e20dcd, 0x713093ba, 0x1e7c3621, 0x9195ae55, + 0xfed90bce, 0x0e0b95b9, 0x61473022, 0xec35bc5c, 0x837919c7, + 0x73ab87b0, 0x1ce7222b, 0x930eba5f, 0xfc421fc4, 0x0c9081b3, + 0x63dc2428, 0x1243b05a, 0x7d0f15c1, 0x8ddd8bb6, 0xe2912e2d, + 0x6d78b659, 0x023413c2, 0xf2e68db5, 0x9daa282e, 0xe8039548, + 0x874f30d3, 0x779daea4, 0x18d10b3f, 0x9738934b, 0xf87436d0, + 0x08a6a8a7, 0x67ea0d3c, 0x1675994e, 0x79393cd5, 0x89eba2a2, + 0xe6a70739, 0x694e9f4d, 0x06023ad6, 0xf6d0a4a1, 0x999c013a, + 0x14ee8d44, 0x7ba228df, 0x8b70b6a8, 0xe43c1333, 0x6bd58b47, + 0x04992edc, 0xf44bb0ab, 0x9b071530, 0xea988142, 0x85d424d9, + 0x7506baae, 0x1a4a1f35, 0x95a38741, 0xfaef22da, 0x0a3dbcad, + 0x65711936}}; + +#endif + +#endif + +#if N == 4 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xf1da05aa, 0x38c50d15, 0xc91f08bf, 0x718a1a2a, + 0x80501f80, 0x494f173f, 0xb8951295, 0xe3143454, 0x12ce31fe, + 0xdbd13941, 0x2a0b3ceb, 0x929e2e7e, 0x63442bd4, 0xaa5b236b, + 0x5b8126c1, 0x1d596ee9, 0xec836b43, 0x259c63fc, 0xd4466656, + 0x6cd374c3, 0x9d097169, 0x541679d6, 0xa5cc7c7c, 0xfe4d5abd, + 0x0f975f17, 0xc68857a8, 0x37525202, 0x8fc74097, 0x7e1d453d, + 0xb7024d82, 0x46d84828, 0x3ab2ddd2, 0xcb68d878, 0x0277d0c7, + 0xf3add56d, 0x4b38c7f8, 0xbae2c252, 0x73fdcaed, 0x8227cf47, + 0xd9a6e986, 0x287cec2c, 0xe163e493, 0x10b9e139, 0xa82cf3ac, + 0x59f6f606, 0x90e9feb9, 0x6133fb13, 0x27ebb33b, 0xd631b691, + 0x1f2ebe2e, 0xeef4bb84, 0x5661a911, 0xa7bbacbb, 0x6ea4a404, + 0x9f7ea1ae, 0xc4ff876f, 0x352582c5, 0xfc3a8a7a, 0x0de08fd0, + 0xb5759d45, 0x44af98ef, 0x8db09050, 0x7c6a95fa, 0x7565bba4, + 0x84bfbe0e, 0x4da0b6b1, 0xbc7ab31b, 0x04efa18e, 0xf535a424, + 0x3c2aac9b, 0xcdf0a931, 0x96718ff0, 0x67ab8a5a, 0xaeb482e5, + 0x5f6e874f, 0xe7fb95da, 0x16219070, 0xdf3e98cf, 0x2ee49d65, + 0x683cd54d, 0x99e6d0e7, 0x50f9d858, 0xa123ddf2, 0x19b6cf67, + 0xe86ccacd, 0x2173c272, 0xd0a9c7d8, 0x8b28e119, 0x7af2e4b3, + 0xb3edec0c, 0x4237e9a6, 0xfaa2fb33, 0x0b78fe99, 0xc267f626, + 0x33bdf38c, 0x4fd76676, 0xbe0d63dc, 0x77126b63, 0x86c86ec9, + 0x3e5d7c5c, 0xcf8779f6, 0x06987149, 0xf74274e3, 0xacc35222, + 0x5d195788, 0x94065f37, 0x65dc5a9d, 0xdd494808, 0x2c934da2, + 0xe58c451d, 0x145640b7, 0x528e089f, 0xa3540d35, 0x6a4b058a, + 0x9b910020, 0x230412b5, 0xd2de171f, 0x1bc11fa0, 0xea1b1a0a, + 0xb19a3ccb, 0x40403961, 0x895f31de, 0x78853474, 0xc01026e1, + 0x31ca234b, 0xf8d52bf4, 0x090f2e5e, 0xeacb7748, 0x1b1172e2, + 0xd20e7a5d, 0x23d47ff7, 0x9b416d62, 0x6a9b68c8, 0xa3846077, + 0x525e65dd, 0x09df431c, 0xf80546b6, 0x311a4e09, 0xc0c04ba3, + 0x78555936, 0x898f5c9c, 0x40905423, 0xb14a5189, 0xf79219a1, + 0x06481c0b, 0xcf5714b4, 0x3e8d111e, 0x8618038b, 0x77c20621, + 0xbedd0e9e, 0x4f070b34, 0x14862df5, 0xe55c285f, 0x2c4320e0, + 0xdd99254a, 0x650c37df, 0x94d63275, 0x5dc93aca, 0xac133f60, + 0xd079aa9a, 0x21a3af30, 0xe8bca78f, 0x1966a225, 0xa1f3b0b0, + 0x5029b51a, 0x9936bda5, 0x68ecb80f, 0x336d9ece, 0xc2b79b64, + 0x0ba893db, 0xfa729671, 0x42e784e4, 0xb33d814e, 0x7a2289f1, + 0x8bf88c5b, 0xcd20c473, 0x3cfac1d9, 0xf5e5c966, 0x043fcccc, + 0xbcaade59, 0x4d70dbf3, 0x846fd34c, 0x75b5d6e6, 0x2e34f027, + 0xdfeef58d, 0x16f1fd32, 0xe72bf898, 0x5fbeea0d, 0xae64efa7, + 0x677be718, 0x96a1e2b2, 0x9faeccec, 0x6e74c946, 0xa76bc1f9, + 0x56b1c453, 0xee24d6c6, 0x1ffed36c, 0xd6e1dbd3, 0x273bde79, + 0x7cbaf8b8, 0x8d60fd12, 0x447ff5ad, 0xb5a5f007, 0x0d30e292, + 0xfceae738, 0x35f5ef87, 0xc42fea2d, 0x82f7a205, 0x732da7af, + 0xba32af10, 0x4be8aaba, 0xf37db82f, 0x02a7bd85, 0xcbb8b53a, + 0x3a62b090, 0x61e39651, 0x903993fb, 0x59269b44, 0xa8fc9eee, + 0x10698c7b, 0xe1b389d1, 0x28ac816e, 0xd97684c4, 0xa51c113e, + 0x54c61494, 0x9dd91c2b, 0x6c031981, 0xd4960b14, 0x254c0ebe, + 0xec530601, 0x1d8903ab, 0x4608256a, 0xb7d220c0, 0x7ecd287f, + 0x8f172dd5, 0x37823f40, 0xc6583aea, 0x0f473255, 0xfe9d37ff, + 0xb8457fd7, 0x499f7a7d, 0x808072c2, 0x715a7768, 0xc9cf65fd, + 0x38156057, 0xf10a68e8, 0x00d06d42, 0x5b514b83, 0xaa8b4e29, + 0x63944696, 0x924e433c, 0x2adb51a9, 0xdb015403, 0x121e5cbc, + 0xe3c45916}, + {0x00000000, 0x0ee7e8d1, 0x1dcfd1a2, 0x13283973, 0x3b9fa344, + 0x35784b95, 0x265072e6, 0x28b79a37, 0x773f4688, 0x79d8ae59, + 0x6af0972a, 0x64177ffb, 0x4ca0e5cc, 0x42470d1d, 0x516f346e, + 0x5f88dcbf, 0xee7e8d10, 0xe09965c1, 0xf3b15cb2, 0xfd56b463, + 0xd5e12e54, 0xdb06c685, 0xc82efff6, 0xc6c91727, 0x9941cb98, + 0x97a62349, 0x848e1a3a, 0x8a69f2eb, 0xa2de68dc, 0xac39800d, + 0xbf11b97e, 0xb1f651af, 0x078c1c61, 0x096bf4b0, 0x1a43cdc3, + 0x14a42512, 0x3c13bf25, 0x32f457f4, 0x21dc6e87, 0x2f3b8656, + 0x70b35ae9, 0x7e54b238, 0x6d7c8b4b, 0x639b639a, 0x4b2cf9ad, + 0x45cb117c, 0x56e3280f, 0x5804c0de, 0xe9f29171, 0xe71579a0, + 0xf43d40d3, 0xfadaa802, 0xd26d3235, 0xdc8adae4, 0xcfa2e397, + 0xc1450b46, 0x9ecdd7f9, 0x902a3f28, 0x8302065b, 0x8de5ee8a, + 0xa55274bd, 0xabb59c6c, 0xb89da51f, 0xb67a4dce, 0x0f1838c2, + 0x01ffd013, 0x12d7e960, 0x1c3001b1, 0x34879b86, 0x3a607357, + 0x29484a24, 0x27afa2f5, 0x78277e4a, 0x76c0969b, 0x65e8afe8, + 0x6b0f4739, 0x43b8dd0e, 0x4d5f35df, 0x5e770cac, 0x5090e47d, + 0xe166b5d2, 0xef815d03, 0xfca96470, 0xf24e8ca1, 0xdaf91696, + 0xd41efe47, 0xc736c734, 0xc9d12fe5, 0x9659f35a, 0x98be1b8b, + 0x8b9622f8, 0x8571ca29, 0xadc6501e, 0xa321b8cf, 0xb00981bc, + 0xbeee696d, 0x089424a3, 0x0673cc72, 0x155bf501, 0x1bbc1dd0, + 0x330b87e7, 0x3dec6f36, 0x2ec45645, 0x2023be94, 0x7fab622b, + 0x714c8afa, 0x6264b389, 0x6c835b58, 0x4434c16f, 0x4ad329be, + 0x59fb10cd, 0x571cf81c, 0xe6eaa9b3, 0xe80d4162, 0xfb257811, + 0xf5c290c0, 0xdd750af7, 0xd392e226, 0xc0badb55, 0xce5d3384, + 0x91d5ef3b, 0x9f3207ea, 0x8c1a3e99, 0x82fdd648, 0xaa4a4c7f, + 0xa4ada4ae, 0xb7859ddd, 0xb962750c, 0x1e307184, 0x10d79955, + 0x03ffa026, 0x0d1848f7, 0x25afd2c0, 0x2b483a11, 0x38600362, + 0x3687ebb3, 0x690f370c, 0x67e8dfdd, 0x74c0e6ae, 0x7a270e7f, + 0x52909448, 0x5c777c99, 0x4f5f45ea, 0x41b8ad3b, 0xf04efc94, + 0xfea91445, 0xed812d36, 0xe366c5e7, 0xcbd15fd0, 0xc536b701, + 0xd61e8e72, 0xd8f966a3, 0x8771ba1c, 0x899652cd, 0x9abe6bbe, + 0x9459836f, 0xbcee1958, 0xb209f189, 0xa121c8fa, 0xafc6202b, + 0x19bc6de5, 0x175b8534, 0x0473bc47, 0x0a945496, 0x2223cea1, + 0x2cc42670, 0x3fec1f03, 0x310bf7d2, 0x6e832b6d, 0x6064c3bc, + 0x734cfacf, 0x7dab121e, 0x551c8829, 0x5bfb60f8, 0x48d3598b, + 0x4634b15a, 0xf7c2e0f5, 0xf9250824, 0xea0d3157, 0xe4ead986, + 0xcc5d43b1, 0xc2baab60, 0xd1929213, 0xdf757ac2, 0x80fda67d, + 0x8e1a4eac, 0x9d3277df, 0x93d59f0e, 0xbb620539, 0xb585ede8, + 0xa6add49b, 0xa84a3c4a, 0x11284946, 0x1fcfa197, 0x0ce798e4, + 0x02007035, 0x2ab7ea02, 0x245002d3, 0x37783ba0, 0x399fd371, + 0x66170fce, 0x68f0e71f, 0x7bd8de6c, 0x753f36bd, 0x5d88ac8a, + 0x536f445b, 0x40477d28, 0x4ea095f9, 0xff56c456, 0xf1b12c87, + 0xe29915f4, 0xec7efd25, 0xc4c96712, 0xca2e8fc3, 0xd906b6b0, + 0xd7e15e61, 0x886982de, 0x868e6a0f, 0x95a6537c, 0x9b41bbad, + 0xb3f6219a, 0xbd11c94b, 0xae39f038, 0xa0de18e9, 0x16a45527, + 0x1843bdf6, 0x0b6b8485, 0x058c6c54, 0x2d3bf663, 0x23dc1eb2, + 0x30f427c1, 0x3e13cf10, 0x619b13af, 0x6f7cfb7e, 0x7c54c20d, + 0x72b32adc, 0x5a04b0eb, 0x54e3583a, 0x47cb6149, 0x492c8998, + 0xf8dad837, 0xf63d30e6, 0xe5150995, 0xebf2e144, 0xc3457b73, + 0xcda293a2, 0xde8aaad1, 0xd06d4200, 0x8fe59ebf, 0x8102766e, + 0x922a4f1d, 0x9ccda7cc, 0xb47a3dfb, 0xba9dd52a, 0xa9b5ec59, + 0xa7520488}, + {0x00000000, 0x3c60e308, 0x78c1c610, 0x44a12518, 0xf1838c20, + 0xcde36f28, 0x89424a30, 0xb522a938, 0x38761e01, 0x0416fd09, + 0x40b7d811, 0x7cd73b19, 0xc9f59221, 0xf5957129, 0xb1345431, + 0x8d54b739, 0x70ec3c02, 0x4c8cdf0a, 0x082dfa12, 0x344d191a, + 0x816fb022, 0xbd0f532a, 0xf9ae7632, 0xc5ce953a, 0x489a2203, + 0x74fac10b, 0x305be413, 0x0c3b071b, 0xb919ae23, 0x85794d2b, + 0xc1d86833, 0xfdb88b3b, 0xe1d87804, 0xddb89b0c, 0x9919be14, + 0xa5795d1c, 0x105bf424, 0x2c3b172c, 0x689a3234, 0x54fad13c, + 0xd9ae6605, 0xe5ce850d, 0xa16fa015, 0x9d0f431d, 0x282dea25, + 0x144d092d, 0x50ec2c35, 0x6c8ccf3d, 0x91344406, 0xad54a70e, + 0xe9f58216, 0xd595611e, 0x60b7c826, 0x5cd72b2e, 0x18760e36, + 0x2416ed3e, 0xa9425a07, 0x9522b90f, 0xd1839c17, 0xede37f1f, + 0x58c1d627, 0x64a1352f, 0x20001037, 0x1c60f33f, 0x18c1f649, + 0x24a11541, 0x60003059, 0x5c60d351, 0xe9427a69, 0xd5229961, + 0x9183bc79, 0xade35f71, 0x20b7e848, 0x1cd70b40, 0x58762e58, + 0x6416cd50, 0xd1346468, 0xed548760, 0xa9f5a278, 0x95954170, + 0x682dca4b, 0x544d2943, 0x10ec0c5b, 0x2c8cef53, 0x99ae466b, + 0xa5cea563, 0xe16f807b, 0xdd0f6373, 0x505bd44a, 0x6c3b3742, + 0x289a125a, 0x14faf152, 0xa1d8586a, 0x9db8bb62, 0xd9199e7a, + 0xe5797d72, 0xf9198e4d, 0xc5796d45, 0x81d8485d, 0xbdb8ab55, + 0x089a026d, 0x34fae165, 0x705bc47d, 0x4c3b2775, 0xc16f904c, + 0xfd0f7344, 0xb9ae565c, 0x85ceb554, 0x30ec1c6c, 0x0c8cff64, + 0x482dda7c, 0x744d3974, 0x89f5b24f, 0xb5955147, 0xf134745f, + 0xcd549757, 0x78763e6f, 0x4416dd67, 0x00b7f87f, 0x3cd71b77, + 0xb183ac4e, 0x8de34f46, 0xc9426a5e, 0xf5228956, 0x4000206e, + 0x7c60c366, 0x38c1e67e, 0x04a10576, 0x3183ec92, 0x0de30f9a, + 0x49422a82, 0x7522c98a, 0xc00060b2, 0xfc6083ba, 0xb8c1a6a2, + 0x84a145aa, 0x09f5f293, 0x3595119b, 0x71343483, 0x4d54d78b, + 0xf8767eb3, 0xc4169dbb, 0x80b7b8a3, 0xbcd75bab, 0x416fd090, + 0x7d0f3398, 0x39ae1680, 0x05cef588, 0xb0ec5cb0, 0x8c8cbfb8, + 0xc82d9aa0, 0xf44d79a8, 0x7919ce91, 0x45792d99, 0x01d80881, + 0x3db8eb89, 0x889a42b1, 0xb4faa1b9, 0xf05b84a1, 0xcc3b67a9, + 0xd05b9496, 0xec3b779e, 0xa89a5286, 0x94fab18e, 0x21d818b6, + 0x1db8fbbe, 0x5919dea6, 0x65793dae, 0xe82d8a97, 0xd44d699f, + 0x90ec4c87, 0xac8caf8f, 0x19ae06b7, 0x25cee5bf, 0x616fc0a7, + 0x5d0f23af, 0xa0b7a894, 0x9cd74b9c, 0xd8766e84, 0xe4168d8c, + 0x513424b4, 0x6d54c7bc, 0x29f5e2a4, 0x159501ac, 0x98c1b695, + 0xa4a1559d, 0xe0007085, 0xdc60938d, 0x69423ab5, 0x5522d9bd, + 0x1183fca5, 0x2de31fad, 0x29421adb, 0x1522f9d3, 0x5183dccb, + 0x6de33fc3, 0xd8c196fb, 0xe4a175f3, 0xa00050eb, 0x9c60b3e3, + 0x113404da, 0x2d54e7d2, 0x69f5c2ca, 0x559521c2, 0xe0b788fa, + 0xdcd76bf2, 0x98764eea, 0xa416ade2, 0x59ae26d9, 0x65cec5d1, + 0x216fe0c9, 0x1d0f03c1, 0xa82daaf9, 0x944d49f1, 0xd0ec6ce9, + 0xec8c8fe1, 0x61d838d8, 0x5db8dbd0, 0x1919fec8, 0x25791dc0, + 0x905bb4f8, 0xac3b57f0, 0xe89a72e8, 0xd4fa91e0, 0xc89a62df, + 0xf4fa81d7, 0xb05ba4cf, 0x8c3b47c7, 0x3919eeff, 0x05790df7, + 0x41d828ef, 0x7db8cbe7, 0xf0ec7cde, 0xcc8c9fd6, 0x882dbace, + 0xb44d59c6, 0x016ff0fe, 0x3d0f13f6, 0x79ae36ee, 0x45ced5e6, + 0xb8765edd, 0x8416bdd5, 0xc0b798cd, 0xfcd77bc5, 0x49f5d2fd, + 0x759531f5, 0x313414ed, 0x0d54f7e5, 0x800040dc, 0xbc60a3d4, + 0xf8c186cc, 0xc4a165c4, 0x7183ccfc, 0x4de32ff4, 0x09420aec, + 0x3522e9e4}, + {0x00000000, 0x6307d924, 0xc60fb248, 0xa5086b6c, 0x576e62d1, + 0x3469bbf5, 0x9161d099, 0xf26609bd, 0xaedcc5a2, 0xcddb1c86, + 0x68d377ea, 0x0bd4aece, 0xf9b2a773, 0x9ab57e57, 0x3fbd153b, + 0x5cbacc1f, 0x86c88d05, 0xe5cf5421, 0x40c73f4d, 0x23c0e669, + 0xd1a6efd4, 0xb2a136f0, 0x17a95d9c, 0x74ae84b8, 0x281448a7, + 0x4b139183, 0xee1bfaef, 0x8d1c23cb, 0x7f7a2a76, 0x1c7df352, + 0xb975983e, 0xda72411a, 0xd6e01c4b, 0xb5e7c56f, 0x10efae03, + 0x73e87727, 0x818e7e9a, 0xe289a7be, 0x4781ccd2, 0x248615f6, + 0x783cd9e9, 0x1b3b00cd, 0xbe336ba1, 0xdd34b285, 0x2f52bb38, + 0x4c55621c, 0xe95d0970, 0x8a5ad054, 0x5028914e, 0x332f486a, + 0x96272306, 0xf520fa22, 0x0746f39f, 0x64412abb, 0xc14941d7, + 0xa24e98f3, 0xfef454ec, 0x9df38dc8, 0x38fbe6a4, 0x5bfc3f80, + 0xa99a363d, 0xca9def19, 0x6f958475, 0x0c925d51, 0x76b13ed7, + 0x15b6e7f3, 0xb0be8c9f, 0xd3b955bb, 0x21df5c06, 0x42d88522, + 0xe7d0ee4e, 0x84d7376a, 0xd86dfb75, 0xbb6a2251, 0x1e62493d, + 0x7d659019, 0x8f0399a4, 0xec044080, 0x490c2bec, 0x2a0bf2c8, + 0xf079b3d2, 0x937e6af6, 0x3676019a, 0x5571d8be, 0xa717d103, + 0xc4100827, 0x6118634b, 0x021fba6f, 0x5ea57670, 0x3da2af54, + 0x98aac438, 0xfbad1d1c, 0x09cb14a1, 0x6acccd85, 0xcfc4a6e9, + 0xacc37fcd, 0xa051229c, 0xc356fbb8, 0x665e90d4, 0x055949f0, + 0xf73f404d, 0x94389969, 0x3130f205, 0x52372b21, 0x0e8de73e, + 0x6d8a3e1a, 0xc8825576, 0xab858c52, 0x59e385ef, 0x3ae45ccb, + 0x9fec37a7, 0xfcebee83, 0x2699af99, 0x459e76bd, 0xe0961dd1, + 0x8391c4f5, 0x71f7cd48, 0x12f0146c, 0xb7f87f00, 0xd4ffa624, + 0x88456a3b, 0xeb42b31f, 0x4e4ad873, 0x2d4d0157, 0xdf2b08ea, + 0xbc2cd1ce, 0x1924baa2, 0x7a236386, 0xed627dae, 0x8e65a48a, + 0x2b6dcfe6, 0x486a16c2, 0xba0c1f7f, 0xd90bc65b, 0x7c03ad37, + 0x1f047413, 0x43beb80c, 0x20b96128, 0x85b10a44, 0xe6b6d360, + 0x14d0dadd, 0x77d703f9, 0xd2df6895, 0xb1d8b1b1, 0x6baaf0ab, + 0x08ad298f, 0xada542e3, 0xcea29bc7, 0x3cc4927a, 0x5fc34b5e, + 0xfacb2032, 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0x7291205e, 0xff7b76c4, + 0x1866d053, 0xea313dab, 0x0d2c9b3c, 0xd5efe01a, 0x32f2468d, + 0xc0a5ab75, 0x27b80de2, 0x8fd5b0b1, 0x68c81626, 0x9a9ffbde, + 0x7d825d49, 0xa541266f, 0x425c80f8, 0xb00b6d00, 0x5716cb97, + 0xdafc9d0d, 0x3de13b9a, 0xcfb6d662, 0x28ab70f5, 0xf0680bd3, + 0x1775ad44, 0xe52240bc, 0x023fe62b, 0x2587ebc9, 0xc29a4d5e, + 0x30cda0a6, 0xd7d00631, 0x0f137d17, 0xe80edb80, 0x1a593678, + 0xfd4490ef, 0x70aec675, 0x97b360e2, 0x65e48d1a, 0x82f92b8d, + 0x5a3a50ab, 0xbd27f63c, 0x4f701bc4, 0xa86dbd53, 0xc4da6723, + 0x23c7c1b4, 0xd1902c4c, 0x368d8adb, 0xee4ef1fd, 0x0953576a, + 0xfb04ba92, 0x1c191c05, 0x91f34a9f, 0x76eeec08, 0x84b901f0, + 0x63a4a767, 0xbb67dc41, 0x5c7a7ad6, 0xae2d972e, 0x493031b9, + 0x6e883c5b, 0x89959acc, 0x7bc27734, 0x9cdfd1a3, 0x441caa85, + 0xa3010c12, 0x5156e1ea, 0xb64b477d, 0x3ba111e7, 0xdcbcb770, + 0x2eeb5a88, 0xc9f6fc1f, 0x11358739, 0xf62821ae, 0x047fcc56, + 0xe3626ac1, 0x4b0fd792, 0xac127105, 0x5e459cfd, 0xb9583a6a, + 0x619b414c, 0x8686e7db, 0x74d10a23, 0x93ccacb4, 0x1e26fa2e, + 0xf93b5cb9, 0x0b6cb141, 0xec7117d6, 0x34b26cf0, 0xd3afca67, + 0x21f8279f, 0xc6e58108, 0xe15d8cea, 0x06402a7d, 0xf417c785, + 0x130a6112, 0xcbc91a34, 0x2cd4bca3, 0xde83515b, 0x399ef7cc, + 0xb474a156, 0x536907c1, 0xa13eea39, 0x46234cae, 0x9ee03788, + 0x79fd911f, 0x8baa7ce7, 0x6cb7da70, 0x52c5c807, 0xb5d86e90, + 0x478f8368, 0xa09225ff, 0x78515ed9, 0x9f4cf84e, 0x6d1b15b6, + 0x8a06b321, 0x07ece5bb, 0xe0f1432c, 0x12a6aed4, 0xf5bb0843, + 0x2d787365, 0xca65d5f2, 0x3832380a, 0xdf2f9e9d, 0xf897937f, + 0x1f8a35e8, 0xedddd810, 0x0ac07e87, 0xd20305a1, 0x351ea336, + 0xc7494ece, 0x2054e859, 0xadbebec3, 0x4aa31854, 0xb8f4f5ac, + 0x5fe9533b, 0x872a281d, 0x60378e8a, 0x92606372, 0x757dc5e5, + 0xdd1078b6, 0x3a0dde21, 0xc85a33d9, 0x2f47954e, 0xf784ee68, + 0x109948ff, 0xe2cea507, 0x05d30390, 0x8839550a, 0x6f24f39d, + 0x9d731e65, 0x7a6eb8f2, 0xa2adc3d4, 0x45b06543, 0xb7e788bb, + 0x50fa2e2c, 0x774223ce, 0x905f8559, 0x620868a1, 0x8515ce36, + 0x5dd6b510, 0xbacb1387, 0x489cfe7f, 0xaf8158e8, 0x226b0e72, + 0xc576a8e5, 0x3721451d, 0xd03ce38a, 0x08ff98ac, 0xefe23e3b, + 0x1db5d3c3, 0xfaa87554, 0x961faf24, 0x710209b3, 0x8355e44b, + 0x644842dc, 0xbc8b39fa, 0x5b969f6d, 0xa9c17295, 0x4edcd402, + 0xc3368298, 0x242b240f, 0xd67cc9f7, 0x31616f60, 0xe9a21446, + 0x0ebfb2d1, 0xfce85f29, 0x1bf5f9be, 0x3c4df45c, 0xdb5052cb, + 0x2907bf33, 0xce1a19a4, 0x16d96282, 0xf1c4c415, 0x039329ed, + 0xe48e8f7a, 0x6964d9e0, 0x8e797f77, 0x7c2e928f, 0x9b333418, + 0x43f04f3e, 0xa4ede9a9, 0x56ba0451, 0xb1a7a2c6, 0x19ca1f95, + 0xfed7b902, 0x0c8054fa, 0xeb9df26d, 0x335e894b, 0xd4432fdc, + 0x2614c224, 0xc10964b3, 0x4ce33229, 0xabfe94be, 0x59a97946, + 0xbeb4dfd1, 0x6677a4f7, 0x816a0260, 0x733def98, 0x9420490f, + 0xb39844ed, 0x5485e27a, 0xa6d20f82, 0x41cfa915, 0x990cd233, + 0x7e1174a4, 0x8c46995c, 0x6b5b3fcb, 0xe6b16951, 0x01accfc6, + 0xf3fb223e, 0x14e684a9, 0xcc25ff8f, 0x2b385918, 0xd96fb4e0, + 0x3e721277}, + {0x00000000, 0xa58b900e, 0x9066265d, 0x35edb653, 0xfbbd4afb, + 0x5e36daf5, 0x6bdb6ca6, 0xce50fca8, 0x2c0b93b7, 0x898003b9, + 0xbc6db5ea, 0x19e625e4, 0xd7b6d94c, 0x723d4942, 0x47d0ff11, + 0xe25b6f1f, 0x5817276e, 0xfd9cb760, 0xc8710133, 0x6dfa913d, + 0xa3aa6d95, 0x0621fd9b, 0x33cc4bc8, 0x9647dbc6, 0x741cb4d9, + 0xd19724d7, 0xe47a9284, 0x41f1028a, 0x8fa1fe22, 0x2a2a6e2c, + 0x1fc7d87f, 0xba4c4871, 0xb02e4edc, 0x15a5ded2, 0x20486881, + 0x85c3f88f, 0x4b930427, 0xee189429, 0xdbf5227a, 0x7e7eb274, + 0x9c25dd6b, 0x39ae4d65, 0x0c43fb36, 0xa9c86b38, 0x67989790, + 0xc213079e, 0xf7feb1cd, 0x527521c3, 0xe83969b2, 0x4db2f9bc, + 0x785f4fef, 0xddd4dfe1, 0x13842349, 0xb60fb347, 0x83e20514, + 0x2669951a, 0xc432fa05, 0x61b96a0b, 0x5454dc58, 0xf1df4c56, + 0x3f8fb0fe, 0x9a0420f0, 0xafe996a3, 0x0a6206ad, 0xbb2d9bf9, + 0x1ea60bf7, 0x2b4bbda4, 0x8ec02daa, 0x4090d102, 0xe51b410c, + 0xd0f6f75f, 0x757d6751, 0x9726084e, 0x32ad9840, 0x07402e13, + 0xa2cbbe1d, 0x6c9b42b5, 0xc910d2bb, 0xfcfd64e8, 0x5976f4e6, + 0xe33abc97, 0x46b12c99, 0x735c9aca, 0xd6d70ac4, 0x1887f66c, + 0xbd0c6662, 0x88e1d031, 0x2d6a403f, 0xcf312f20, 0x6ababf2e, + 0x5f57097d, 0xfadc9973, 0x348c65db, 0x9107f5d5, 0xa4ea4386, + 0x0161d388, 0x0b03d525, 0xae88452b, 0x9b65f378, 0x3eee6376, + 0xf0be9fde, 0x55350fd0, 0x60d8b983, 0xc553298d, 0x27084692, + 0x8283d69c, 0xb76e60cf, 0x12e5f0c1, 0xdcb50c69, 0x793e9c67, + 0x4cd32a34, 0xe958ba3a, 0x5314f24b, 0xf69f6245, 0xc372d416, + 0x66f94418, 0xa8a9b8b0, 0x0d2228be, 0x38cf9eed, 0x9d440ee3, + 0x7f1f61fc, 0xda94f1f2, 0xef7947a1, 0x4af2d7af, 0x84a22b07, + 0x2129bb09, 0x14c40d5a, 0xb14f9d54, 0xad2a31b3, 0x08a1a1bd, + 0x3d4c17ee, 0x98c787e0, 0x56977b48, 0xf31ceb46, 0xc6f15d15, + 0x637acd1b, 0x8121a204, 0x24aa320a, 0x11478459, 0xb4cc1457, + 0x7a9ce8ff, 0xdf1778f1, 0xeafacea2, 0x4f715eac, 0xf53d16dd, + 0x50b686d3, 0x655b3080, 0xc0d0a08e, 0x0e805c26, 0xab0bcc28, + 0x9ee67a7b, 0x3b6dea75, 0xd936856a, 0x7cbd1564, 0x4950a337, + 0xecdb3339, 0x228bcf91, 0x87005f9f, 0xb2ede9cc, 0x176679c2, + 0x1d047f6f, 0xb88fef61, 0x8d625932, 0x28e9c93c, 0xe6b93594, + 0x4332a59a, 0x76df13c9, 0xd35483c7, 0x310fecd8, 0x94847cd6, + 0xa169ca85, 0x04e25a8b, 0xcab2a623, 0x6f39362d, 0x5ad4807e, + 0xff5f1070, 0x45135801, 0xe098c80f, 0xd5757e5c, 0x70feee52, + 0xbeae12fa, 0x1b2582f4, 0x2ec834a7, 0x8b43a4a9, 0x6918cbb6, + 0xcc935bb8, 0xf97eedeb, 0x5cf57de5, 0x92a5814d, 0x372e1143, + 0x02c3a710, 0xa748371e, 0x1607aa4a, 0xb38c3a44, 0x86618c17, + 0x23ea1c19, 0xedbae0b1, 0x483170bf, 0x7ddcc6ec, 0xd85756e2, + 0x3a0c39fd, 0x9f87a9f3, 0xaa6a1fa0, 0x0fe18fae, 0xc1b17306, + 0x643ae308, 0x51d7555b, 0xf45cc555, 0x4e108d24, 0xeb9b1d2a, + 0xde76ab79, 0x7bfd3b77, 0xb5adc7df, 0x102657d1, 0x25cbe182, + 0x8040718c, 0x621b1e93, 0xc7908e9d, 0xf27d38ce, 0x57f6a8c0, + 0x99a65468, 0x3c2dc466, 0x09c07235, 0xac4be23b, 0xa629e496, + 0x03a27498, 0x364fc2cb, 0x93c452c5, 0x5d94ae6d, 0xf81f3e63, + 0xcdf28830, 0x6879183e, 0x8a227721, 0x2fa9e72f, 0x1a44517c, + 0xbfcfc172, 0x719f3dda, 0xd414add4, 0xe1f91b87, 0x44728b89, + 0xfe3ec3f8, 0x5bb553f6, 0x6e58e5a5, 0xcbd375ab, 0x05838903, + 0xa008190d, 0x95e5af5e, 0x306e3f50, 0xd235504f, 0x77bec041, + 0x42537612, 0xe7d8e61c, 0x29881ab4, 0x8c038aba, 0xb9ee3ce9, + 0x1c65ace7}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x0e908ba500000000, 0x5d26669000000000, + 0x53b6ed3500000000, 0xfb4abdfb00000000, 0xf5da365e00000000, + 0xa66cdb6b00000000, 0xa8fc50ce00000000, 0xb7930b2c00000000, + 0xb903808900000000, 0xeab56dbc00000000, 0xe425e61900000000, + 0x4cd9b6d700000000, 0x42493d7200000000, 0x11ffd04700000000, + 0x1f6f5be200000000, 0x6e27175800000000, 0x60b79cfd00000000, + 0x330171c800000000, 0x3d91fa6d00000000, 0x956daaa300000000, + 0x9bfd210600000000, 0xc84bcc3300000000, 0xc6db479600000000, + 0xd9b41c7400000000, 0xd72497d100000000, 0x84927ae400000000, + 0x8a02f14100000000, 0x22fea18f00000000, 0x2c6e2a2a00000000, + 0x7fd8c71f00000000, 0x71484cba00000000, 0xdc4e2eb000000000, + 0xd2dea51500000000, 0x8168482000000000, 0x8ff8c38500000000, + 0x2704934b00000000, 0x299418ee00000000, 0x7a22f5db00000000, + 0x74b27e7e00000000, 0x6bdd259c00000000, 0x654dae3900000000, + 0x36fb430c00000000, 0x386bc8a900000000, 0x9097986700000000, + 0x9e0713c200000000, 0xcdb1fef700000000, 0xc321755200000000, + 0xb26939e800000000, 0xbcf9b24d00000000, 0xef4f5f7800000000, + 0xe1dfd4dd00000000, 0x4923841300000000, 0x47b30fb600000000, + 0x1405e28300000000, 0x1a95692600000000, 0x05fa32c400000000, + 0x0b6ab96100000000, 0x58dc545400000000, 0x564cdff100000000, + 0xfeb08f3f00000000, 0xf020049a00000000, 0xa396e9af00000000, + 0xad06620a00000000, 0xf99b2dbb00000000, 0xf70ba61e00000000, + 0xa4bd4b2b00000000, 0xaa2dc08e00000000, 0x02d1904000000000, + 0x0c411be500000000, 0x5ff7f6d000000000, 0x51677d7500000000, + 0x4e08269700000000, 0x4098ad3200000000, 0x132e400700000000, + 0x1dbecba200000000, 0xb5429b6c00000000, 0xbbd210c900000000, + 0xe864fdfc00000000, 0xe6f4765900000000, 0x97bc3ae300000000, + 0x992cb14600000000, 0xca9a5c7300000000, 0xc40ad7d600000000, + 0x6cf6871800000000, 0x62660cbd00000000, 0x31d0e18800000000, + 0x3f406a2d00000000, 0x202f31cf00000000, 0x2ebfba6a00000000, + 0x7d09575f00000000, 0x7399dcfa00000000, 0xdb658c3400000000, + 0xd5f5079100000000, 0x8643eaa400000000, 0x88d3610100000000, + 0x25d5030b00000000, 0x2b4588ae00000000, 0x78f3659b00000000, + 0x7663ee3e00000000, 0xde9fbef000000000, 0xd00f355500000000, + 0x83b9d86000000000, 0x8d2953c500000000, 0x9246082700000000, + 0x9cd6838200000000, 0xcf606eb700000000, 0xc1f0e51200000000, + 0x690cb5dc00000000, 0x679c3e7900000000, 0x342ad34c00000000, + 0x3aba58e900000000, 0x4bf2145300000000, 0x45629ff600000000, + 0x16d472c300000000, 0x1844f96600000000, 0xb0b8a9a800000000, + 0xbe28220d00000000, 0xed9ecf3800000000, 0xe30e449d00000000, + 0xfc611f7f00000000, 0xf2f194da00000000, 0xa14779ef00000000, + 0xafd7f24a00000000, 0x072ba28400000000, 0x09bb292100000000, + 0x5a0dc41400000000, 0x549d4fb100000000, 0xb3312aad00000000, + 0xbda1a10800000000, 0xee174c3d00000000, 0xe087c79800000000, + 0x487b975600000000, 0x46eb1cf300000000, 0x155df1c600000000, + 0x1bcd7a6300000000, 0x04a2218100000000, 0x0a32aa2400000000, + 0x5984471100000000, 0x5714ccb400000000, 0xffe89c7a00000000, + 0xf17817df00000000, 0xa2cefaea00000000, 0xac5e714f00000000, + 0xdd163df500000000, 0xd386b65000000000, 0x80305b6500000000, + 0x8ea0d0c000000000, 0x265c800e00000000, 0x28cc0bab00000000, + 0x7b7ae69e00000000, 0x75ea6d3b00000000, 0x6a8536d900000000, + 0x6415bd7c00000000, 0x37a3504900000000, 0x3933dbec00000000, + 0x91cf8b2200000000, 0x9f5f008700000000, 0xcce9edb200000000, + 0xc279661700000000, 0x6f7f041d00000000, 0x61ef8fb800000000, + 0x3259628d00000000, 0x3cc9e92800000000, 0x9435b9e600000000, + 0x9aa5324300000000, 0xc913df7600000000, 0xc78354d300000000, + 0xd8ec0f3100000000, 0xd67c849400000000, 0x85ca69a100000000, + 0x8b5ae20400000000, 0x23a6b2ca00000000, 0x2d36396f00000000, + 0x7e80d45a00000000, 0x70105fff00000000, 0x0158134500000000, + 0x0fc898e000000000, 0x5c7e75d500000000, 0x52eefe7000000000, + 0xfa12aebe00000000, 0xf482251b00000000, 0xa734c82e00000000, + 0xa9a4438b00000000, 0xb6cb186900000000, 0xb85b93cc00000000, + 0xebed7ef900000000, 0xe57df55c00000000, 0x4d81a59200000000, + 0x43112e3700000000, 0x10a7c30200000000, 0x1e3748a700000000, + 0x4aaa071600000000, 0x443a8cb300000000, 0x178c618600000000, + 0x191cea2300000000, 0xb1e0baed00000000, 0xbf70314800000000, + 0xecc6dc7d00000000, 0xe25657d800000000, 0xfd390c3a00000000, + 0xf3a9879f00000000, 0xa01f6aaa00000000, 0xae8fe10f00000000, + 0x0673b1c100000000, 0x08e33a6400000000, 0x5b55d75100000000, + 0x55c55cf400000000, 0x248d104e00000000, 0x2a1d9beb00000000, + 0x79ab76de00000000, 0x773bfd7b00000000, 0xdfc7adb500000000, + 0xd157261000000000, 0x82e1cb2500000000, 0x8c71408000000000, + 0x931e1b6200000000, 0x9d8e90c700000000, 0xce387df200000000, + 0xc0a8f65700000000, 0x6854a69900000000, 0x66c42d3c00000000, + 0x3572c00900000000, 0x3be24bac00000000, 0x96e429a600000000, + 0x9874a20300000000, 0xcbc24f3600000000, 0xc552c49300000000, + 0x6dae945d00000000, 0x633e1ff800000000, 0x3088f2cd00000000, + 0x3e18796800000000, 0x2177228a00000000, 0x2fe7a92f00000000, + 0x7c51441a00000000, 0x72c1cfbf00000000, 0xda3d9f7100000000, + 0xd4ad14d400000000, 0x871bf9e100000000, 0x898b724400000000, + 0xf8c33efe00000000, 0xf653b55b00000000, 0xa5e5586e00000000, + 0xab75d3cb00000000, 0x0389830500000000, 0x0d1908a000000000, + 0x5eafe59500000000, 0x503f6e3000000000, 0x4f5035d200000000, + 0x41c0be7700000000, 0x1276534200000000, 0x1ce6d8e700000000, + 0xb41a882900000000, 0xba8a038c00000000, 0xe93ceeb900000000, + 0xe7ac651c00000000}, + {0x0000000000000000, 0x97a61de700000000, 0x6f4b4a1500000000, + 0xf8ed57f200000000, 0xde96942a00000000, 0x493089cd00000000, + 0xb1ddde3f00000000, 0x267bc3d800000000, 0xbc2d295500000000, + 0x2b8b34b200000000, 0xd366634000000000, 0x44c07ea700000000, + 0x62bbbd7f00000000, 0xf51da09800000000, 0x0df0f76a00000000, + 0x9a56ea8d00000000, 0x785b52aa00000000, 0xeffd4f4d00000000, + 0x171018bf00000000, 0x80b6055800000000, 0xa6cdc68000000000, + 0x316bdb6700000000, 0xc9868c9500000000, 0x5e20917200000000, + 0xc4767bff00000000, 0x53d0661800000000, 0xab3d31ea00000000, + 0x3c9b2c0d00000000, 0x1ae0efd500000000, 0x8d46f23200000000, + 0x75aba5c000000000, 0xe20db82700000000, 0xb1b0d58f00000000, + 0x2616c86800000000, 0xdefb9f9a00000000, 0x495d827d00000000, + 0x6f2641a500000000, 0xf8805c4200000000, 0x006d0bb000000000, + 0x97cb165700000000, 0x0d9dfcda00000000, 0x9a3be13d00000000, + 0x62d6b6cf00000000, 0xf570ab2800000000, 0xd30b68f000000000, + 0x44ad751700000000, 0xbc4022e500000000, 0x2be63f0200000000, + 0xc9eb872500000000, 0x5e4d9ac200000000, 0xa6a0cd3000000000, + 0x3106d0d700000000, 0x177d130f00000000, 0x80db0ee800000000, + 0x7836591a00000000, 0xef9044fd00000000, 0x75c6ae7000000000, + 0xe260b39700000000, 0x1a8de46500000000, 0x8d2bf98200000000, + 0xab503a5a00000000, 0x3cf627bd00000000, 0xc41b704f00000000, + 0x53bd6da800000000, 0x2367dac400000000, 0xb4c1c72300000000, + 0x4c2c90d100000000, 0xdb8a8d3600000000, 0xfdf14eee00000000, + 0x6a57530900000000, 0x92ba04fb00000000, 0x051c191c00000000, + 0x9f4af39100000000, 0x08ecee7600000000, 0xf001b98400000000, + 0x67a7a46300000000, 0x41dc67bb00000000, 0xd67a7a5c00000000, + 0x2e972dae00000000, 0xb931304900000000, 0x5b3c886e00000000, + 0xcc9a958900000000, 0x3477c27b00000000, 0xa3d1df9c00000000, + 0x85aa1c4400000000, 0x120c01a300000000, 0xeae1565100000000, + 0x7d474bb600000000, 0xe711a13b00000000, 0x70b7bcdc00000000, + 0x885aeb2e00000000, 0x1ffcf6c900000000, 0x3987351100000000, + 0xae2128f600000000, 0x56cc7f0400000000, 0xc16a62e300000000, + 0x92d70f4b00000000, 0x057112ac00000000, 0xfd9c455e00000000, + 0x6a3a58b900000000, 0x4c419b6100000000, 0xdbe7868600000000, + 0x230ad17400000000, 0xb4accc9300000000, 0x2efa261e00000000, + 0xb95c3bf900000000, 0x41b16c0b00000000, 0xd61771ec00000000, + 0xf06cb23400000000, 0x67caafd300000000, 0x9f27f82100000000, + 0x0881e5c600000000, 0xea8c5de100000000, 0x7d2a400600000000, + 0x85c717f400000000, 0x12610a1300000000, 0x341ac9cb00000000, + 0xa3bcd42c00000000, 0x5b5183de00000000, 0xccf79e3900000000, + 0x56a174b400000000, 0xc107695300000000, 0x39ea3ea100000000, + 0xae4c234600000000, 0x8837e09e00000000, 0x1f91fd7900000000, + 0xe77caa8b00000000, 0x70dab76c00000000, 0x07c8c55200000000, + 0x906ed8b500000000, 0x68838f4700000000, 0xff2592a000000000, + 0xd95e517800000000, 0x4ef84c9f00000000, 0xb6151b6d00000000, + 0x21b3068a00000000, 0xbbe5ec0700000000, 0x2c43f1e000000000, + 0xd4aea61200000000, 0x4308bbf500000000, 0x6573782d00000000, + 0xf2d565ca00000000, 0x0a38323800000000, 0x9d9e2fdf00000000, + 0x7f9397f800000000, 0xe8358a1f00000000, 0x10d8dded00000000, + 0x877ec00a00000000, 0xa10503d200000000, 0x36a31e3500000000, + 0xce4e49c700000000, 0x59e8542000000000, 0xc3bebead00000000, + 0x5418a34a00000000, 0xacf5f4b800000000, 0x3b53e95f00000000, + 0x1d282a8700000000, 0x8a8e376000000000, 0x7263609200000000, + 0xe5c57d7500000000, 0xb67810dd00000000, 0x21de0d3a00000000, + 0xd9335ac800000000, 0x4e95472f00000000, 0x68ee84f700000000, + 0xff48991000000000, 0x07a5cee200000000, 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0x31a9f0cd00000000, + 0xf08f719600000000, 0x5a8aab6700000000, 0xe582b4ae00000000, + 0x4f876e5f00000000, 0xda95fbe700000000, 0x7090211600000000, + 0xcf983edf00000000, 0x659de42e00000000, 0x4dd53c6800000000, + 0xe7d0e69900000000, 0x58d8f95000000000, 0xf2dd23a100000000, + 0x67cfb61900000000, 0xcdca6ce800000000, 0x72c2732100000000, + 0xd8c7a9d000000000, 0x19e1288b00000000, 0xb3e4f27a00000000, + 0x0cecedb300000000, 0xa6e9374200000000, 0x33fba2fa00000000, + 0x99fe780b00000000, 0x26f667c200000000, 0x8cf3bd3300000000, + 0x7666d74f00000000, 0xdc630dbe00000000, 0x636b127700000000, + 0xc96ec88600000000, 0x5c7c5d3e00000000, 0xf67987cf00000000, + 0x4971980600000000, 0xe37442f700000000, 0x2252c3ac00000000, + 0x8857195d00000000, 0x375f069400000000, 0x9d5adc6500000000, + 0x084849dd00000000, 0xa24d932c00000000, 0x1d458ce500000000, + 0xb740561400000000, 0x9f088e5200000000, 0x350d54a300000000, + 0x8a054b6a00000000, 0x2000919b00000000, 0xb512042300000000, + 0x1f17ded200000000, 0xa01fc11b00000000, 0x0a1a1bea00000000, + 0xcb3c9ab100000000, 0x6139404000000000, 0xde315f8900000000, + 0x7434857800000000, 0xe12610c000000000, 0x4b23ca3100000000, + 0xf42bd5f800000000, 0x5e2e0f0900000000, 0x4877cbea00000000, + 0xe272111b00000000, 0x5d7a0ed200000000, 0xf77fd42300000000, + 0x626d419b00000000, 0xc8689b6a00000000, 0x776084a300000000, + 0xdd655e5200000000, 0x1c43df0900000000, 0xb64605f800000000, + 0x094e1a3100000000, 0xa34bc0c000000000, 0x3659557800000000, + 0x9c5c8f8900000000, 0x2354904000000000, 0x89514ab100000000, + 0xa11992f700000000, 0x0b1c480600000000, 0xb41457cf00000000, + 0x1e118d3e00000000, 0x8b03188600000000, 0x2106c27700000000, + 0x9e0eddbe00000000, 0x340b074f00000000, 0xf52d861400000000, + 0x5f285ce500000000, 0xe020432c00000000, 0x4a2599dd00000000, + 0xdf370c6500000000, 0x7532d69400000000, 0xca3ac95d00000000, + 0x603f13ac00000000, 0x9aaa79d000000000, 0x30afa32100000000, + 0x8fa7bce800000000, 0x25a2661900000000, 0xb0b0f3a100000000, + 0x1ab5295000000000, 0xa5bd369900000000, 0x0fb8ec6800000000, + 0xce9e6d3300000000, 0x649bb7c200000000, 0xdb93a80b00000000, + 0x719672fa00000000, 0xe484e74200000000, 0x4e813db300000000, + 0xf189227a00000000, 0x5b8cf88b00000000, 0x73c420cd00000000, + 0xd9c1fa3c00000000, 0x66c9e5f500000000, 0xcccc3f0400000000, + 0x59deaabc00000000, 0xf3db704d00000000, 0x4cd36f8400000000, + 0xe6d6b57500000000, 0x27f0342e00000000, 0x8df5eedf00000000, + 0x32fdf11600000000, 0x98f82be700000000, 0x0deabe5f00000000, + 0xa7ef64ae00000000, 0x18e77b6700000000, 0xb2e2a19600000000, + 0xecccae9f00000000, 0x46c9746e00000000, 0xf9c16ba700000000, + 0x53c4b15600000000, 0xc6d624ee00000000, 0x6cd3fe1f00000000, + 0xd3dbe1d600000000, 0x79de3b2700000000, 0xb8f8ba7c00000000, + 0x12fd608d00000000, 0xadf57f4400000000, 0x07f0a5b500000000, + 0x92e2300d00000000, 0x38e7eafc00000000, 0x87eff53500000000, + 0x2dea2fc400000000, 0x05a2f78200000000, 0xafa72d7300000000, + 0x10af32ba00000000, 0xbaaae84b00000000, 0x2fb87df300000000, + 0x85bda70200000000, 0x3ab5b8cb00000000, 0x90b0623a00000000, + 0x5196e36100000000, 0xfb93399000000000, 0x449b265900000000, + 0xee9efca800000000, 0x7b8c691000000000, 0xd189b3e100000000, + 0x6e81ac2800000000, 0xc48476d900000000, 0x3e111ca500000000, + 0x9414c65400000000, 0x2b1cd99d00000000, 0x8119036c00000000, + 0x140b96d400000000, 0xbe0e4c2500000000, 0x010653ec00000000, + 0xab03891d00000000, 0x6a25084600000000, 0xc020d2b700000000, + 0x7f28cd7e00000000, 0xd52d178f00000000, 0x403f823700000000, + 0xea3a58c600000000, 0x5532470f00000000, 0xff379dfe00000000, + 0xd77f45b800000000, 0x7d7a9f4900000000, 0xc272808000000000, + 0x68775a7100000000, 0xfd65cfc900000000, 0x5760153800000000, + 0xe8680af100000000, 0x426dd00000000000, 0x834b515b00000000, + 0x294e8baa00000000, 0x9646946300000000, 0x3c434e9200000000, + 0xa951db2a00000000, 0x035401db00000000, 0xbc5c1e1200000000, + 0x1659c4e300000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xae689191, 0x87a02563, 0x29c8b4f2, 0xd4314c87, + 0x7a59dd16, 0x539169e4, 0xfdf9f875, 0x73139f4f, 0xdd7b0ede, + 0xf4b3ba2c, 0x5adb2bbd, 0xa722d3c8, 0x094a4259, 0x2082f6ab, + 0x8eea673a, 0xe6273e9e, 0x484faf0f, 0x61871bfd, 0xcfef8a6c, + 0x32167219, 0x9c7ee388, 0xb5b6577a, 0x1bdec6eb, 0x9534a1d1, + 0x3b5c3040, 0x129484b2, 0xbcfc1523, 0x4105ed56, 0xef6d7cc7, + 0xc6a5c835, 0x68cd59a4, 0x173f7b7d, 0xb957eaec, 0x909f5e1e, + 0x3ef7cf8f, 0xc30e37fa, 0x6d66a66b, 0x44ae1299, 0xeac68308, + 0x642ce432, 0xca4475a3, 0xe38cc151, 0x4de450c0, 0xb01da8b5, + 0x1e753924, 0x37bd8dd6, 0x99d51c47, 0xf11845e3, 0x5f70d472, + 0x76b86080, 0xd8d0f111, 0x25290964, 0x8b4198f5, 0xa2892c07, + 0x0ce1bd96, 0x820bdaac, 0x2c634b3d, 0x05abffcf, 0xabc36e5e, + 0x563a962b, 0xf85207ba, 0xd19ab348, 0x7ff222d9, 0x2e7ef6fa, + 0x8016676b, 0xa9ded399, 0x07b64208, 0xfa4fba7d, 0x54272bec, + 0x7def9f1e, 0xd3870e8f, 0x5d6d69b5, 0xf305f824, 0xdacd4cd6, + 0x74a5dd47, 0x895c2532, 0x2734b4a3, 0x0efc0051, 0xa09491c0, + 0xc859c864, 0x663159f5, 0x4ff9ed07, 0xe1917c96, 0x1c6884e3, + 0xb2001572, 0x9bc8a180, 0x35a03011, 0xbb4a572b, 0x1522c6ba, + 0x3cea7248, 0x9282e3d9, 0x6f7b1bac, 0xc1138a3d, 0xe8db3ecf, + 0x46b3af5e, 0x39418d87, 0x97291c16, 0xbee1a8e4, 0x10893975, + 0xed70c100, 0x43185091, 0x6ad0e463, 0xc4b875f2, 0x4a5212c8, + 0xe43a8359, 0xcdf237ab, 0x639aa63a, 0x9e635e4f, 0x300bcfde, + 0x19c37b2c, 0xb7abeabd, 0xdf66b319, 0x710e2288, 0x58c6967a, + 0xf6ae07eb, 0x0b57ff9e, 0xa53f6e0f, 0x8cf7dafd, 0x229f4b6c, + 0xac752c56, 0x021dbdc7, 0x2bd50935, 0x85bd98a4, 0x784460d1, + 0xd62cf140, 0xffe445b2, 0x518cd423, 0x5cfdedf4, 0xf2957c65, + 0xdb5dc897, 0x75355906, 0x88cca173, 0x26a430e2, 0x0f6c8410, + 0xa1041581, 0x2fee72bb, 0x8186e32a, 0xa84e57d8, 0x0626c649, + 0xfbdf3e3c, 0x55b7afad, 0x7c7f1b5f, 0xd2178ace, 0xbadad36a, + 0x14b242fb, 0x3d7af609, 0x93126798, 0x6eeb9fed, 0xc0830e7c, + 0xe94bba8e, 0x47232b1f, 0xc9c94c25, 0x67a1ddb4, 0x4e696946, + 0xe001f8d7, 0x1df800a2, 0xb3909133, 0x9a5825c1, 0x3430b450, + 0x4bc29689, 0xe5aa0718, 0xcc62b3ea, 0x620a227b, 0x9ff3da0e, + 0x319b4b9f, 0x1853ff6d, 0xb63b6efc, 0x38d109c6, 0x96b99857, + 0xbf712ca5, 0x1119bd34, 0xece04541, 0x4288d4d0, 0x6b406022, + 0xc528f1b3, 0xade5a817, 0x038d3986, 0x2a458d74, 0x842d1ce5, + 0x79d4e490, 0xd7bc7501, 0xfe74c1f3, 0x501c5062, 0xdef63758, + 0x709ea6c9, 0x5956123b, 0xf73e83aa, 0x0ac77bdf, 0xa4afea4e, + 0x8d675ebc, 0x230fcf2d, 0x72831b0e, 0xdceb8a9f, 0xf5233e6d, + 0x5b4baffc, 0xa6b25789, 0x08dac618, 0x211272ea, 0x8f7ae37b, + 0x01908441, 0xaff815d0, 0x8630a122, 0x285830b3, 0xd5a1c8c6, + 0x7bc95957, 0x5201eda5, 0xfc697c34, 0x94a42590, 0x3accb401, + 0x130400f3, 0xbd6c9162, 0x40956917, 0xeefdf886, 0xc7354c74, + 0x695ddde5, 0xe7b7badf, 0x49df2b4e, 0x60179fbc, 0xce7f0e2d, + 0x3386f658, 0x9dee67c9, 0xb426d33b, 0x1a4e42aa, 0x65bc6073, + 0xcbd4f1e2, 0xe21c4510, 0x4c74d481, 0xb18d2cf4, 0x1fe5bd65, + 0x362d0997, 0x98459806, 0x16afff3c, 0xb8c76ead, 0x910fda5f, + 0x3f674bce, 0xc29eb3bb, 0x6cf6222a, 0x453e96d8, 0xeb560749, + 0x839b5eed, 0x2df3cf7c, 0x043b7b8e, 0xaa53ea1f, 0x57aa126a, + 0xf9c283fb, 0xd00a3709, 0x7e62a698, 0xf088c1a2, 0x5ee05033, + 0x7728e4c1, 0xd9407550, 0x24b98d25, 0x8ad11cb4, 0xa319a846, + 0x0d7139d7}, + {0x00000000, 0xb9fbdbe8, 0xa886b191, 0x117d6a79, 0x8a7c6563, + 0x3387be8b, 0x22fad4f2, 0x9b010f1a, 0xcf89cc87, 0x7672176f, + 0x670f7d16, 0xdef4a6fe, 0x45f5a9e4, 0xfc0e720c, 0xed731875, + 0x5488c39d, 0x44629f4f, 0xfd9944a7, 0xece42ede, 0x551ff536, + 0xce1efa2c, 0x77e521c4, 0x66984bbd, 0xdf639055, 0x8beb53c8, + 0x32108820, 0x236de259, 0x9a9639b1, 0x019736ab, 0xb86ced43, + 0xa911873a, 0x10ea5cd2, 0x88c53e9e, 0x313ee576, 0x20438f0f, + 0x99b854e7, 0x02b95bfd, 0xbb428015, 0xaa3fea6c, 0x13c43184, + 0x474cf219, 0xfeb729f1, 0xefca4388, 0x56319860, 0xcd30977a, + 0x74cb4c92, 0x65b626eb, 0xdc4dfd03, 0xcca7a1d1, 0x755c7a39, + 0x64211040, 0xdddacba8, 0x46dbc4b2, 0xff201f5a, 0xee5d7523, + 0x57a6aecb, 0x032e6d56, 0xbad5b6be, 0xaba8dcc7, 0x1253072f, + 0x89520835, 0x30a9d3dd, 0x21d4b9a4, 0x982f624c, 0xcafb7b7d, + 0x7300a095, 0x627dcaec, 0xdb861104, 0x40871e1e, 0xf97cc5f6, + 0xe801af8f, 0x51fa7467, 0x0572b7fa, 0xbc896c12, 0xadf4066b, + 0x140fdd83, 0x8f0ed299, 0x36f50971, 0x27886308, 0x9e73b8e0, + 0x8e99e432, 0x37623fda, 0x261f55a3, 0x9fe48e4b, 0x04e58151, + 0xbd1e5ab9, 0xac6330c0, 0x1598eb28, 0x411028b5, 0xf8ebf35d, + 0xe9969924, 0x506d42cc, 0xcb6c4dd6, 0x7297963e, 0x63eafc47, + 0xda1127af, 0x423e45e3, 0xfbc59e0b, 0xeab8f472, 0x53432f9a, + 0xc8422080, 0x71b9fb68, 0x60c49111, 0xd93f4af9, 0x8db78964, + 0x344c528c, 0x253138f5, 0x9ccae31d, 0x07cbec07, 0xbe3037ef, + 0xaf4d5d96, 0x16b6867e, 0x065cdaac, 0xbfa70144, 0xaeda6b3d, + 0x1721b0d5, 0x8c20bfcf, 0x35db6427, 0x24a60e5e, 0x9d5dd5b6, + 0xc9d5162b, 0x702ecdc3, 0x6153a7ba, 0xd8a87c52, 0x43a97348, + 0xfa52a8a0, 0xeb2fc2d9, 0x52d41931, 0x4e87f0bb, 0xf77c2b53, + 0xe601412a, 0x5ffa9ac2, 0xc4fb95d8, 0x7d004e30, 0x6c7d2449, + 0xd586ffa1, 0x810e3c3c, 0x38f5e7d4, 0x29888dad, 0x90735645, + 0x0b72595f, 0xb28982b7, 0xa3f4e8ce, 0x1a0f3326, 0x0ae56ff4, + 0xb31eb41c, 0xa263de65, 0x1b98058d, 0x80990a97, 0x3962d17f, + 0x281fbb06, 0x91e460ee, 0xc56ca373, 0x7c97789b, 0x6dea12e2, + 0xd411c90a, 0x4f10c610, 0xf6eb1df8, 0xe7967781, 0x5e6dac69, + 0xc642ce25, 0x7fb915cd, 0x6ec47fb4, 0xd73fa45c, 0x4c3eab46, + 0xf5c570ae, 0xe4b81ad7, 0x5d43c13f, 0x09cb02a2, 0xb030d94a, + 0xa14db333, 0x18b668db, 0x83b767c1, 0x3a4cbc29, 0x2b31d650, + 0x92ca0db8, 0x8220516a, 0x3bdb8a82, 0x2aa6e0fb, 0x935d3b13, + 0x085c3409, 0xb1a7efe1, 0xa0da8598, 0x19215e70, 0x4da99ded, + 0xf4524605, 0xe52f2c7c, 0x5cd4f794, 0xc7d5f88e, 0x7e2e2366, + 0x6f53491f, 0xd6a892f7, 0x847c8bc6, 0x3d87502e, 0x2cfa3a57, + 0x9501e1bf, 0x0e00eea5, 0xb7fb354d, 0xa6865f34, 0x1f7d84dc, + 0x4bf54741, 0xf20e9ca9, 0xe373f6d0, 0x5a882d38, 0xc1892222, + 0x7872f9ca, 0x690f93b3, 0xd0f4485b, 0xc01e1489, 0x79e5cf61, + 0x6898a518, 0xd1637ef0, 0x4a6271ea, 0xf399aa02, 0xe2e4c07b, + 0x5b1f1b93, 0x0f97d80e, 0xb66c03e6, 0xa711699f, 0x1eeab277, + 0x85ebbd6d, 0x3c106685, 0x2d6d0cfc, 0x9496d714, 0x0cb9b558, + 0xb5426eb0, 0xa43f04c9, 0x1dc4df21, 0x86c5d03b, 0x3f3e0bd3, + 0x2e4361aa, 0x97b8ba42, 0xc33079df, 0x7acba237, 0x6bb6c84e, + 0xd24d13a6, 0x494c1cbc, 0xf0b7c754, 0xe1caad2d, 0x583176c5, + 0x48db2a17, 0xf120f1ff, 0xe05d9b86, 0x59a6406e, 0xc2a74f74, + 0x7b5c949c, 0x6a21fee5, 0xd3da250d, 0x8752e690, 0x3ea93d78, + 0x2fd45701, 0x962f8ce9, 0x0d2e83f3, 0xb4d5581b, 0xa5a83262, + 0x1c53e98a}, + {0x00000000, 0x9d0fe176, 0xe16ec4ad, 0x7c6125db, 0x19ac8f1b, + 0x84a36e6d, 0xf8c24bb6, 0x65cdaac0, 0x33591e36, 0xae56ff40, + 0xd237da9b, 0x4f383bed, 0x2af5912d, 0xb7fa705b, 0xcb9b5580, + 0x5694b4f6, 0x66b23c6c, 0xfbbddd1a, 0x87dcf8c1, 0x1ad319b7, + 0x7f1eb377, 0xe2115201, 0x9e7077da, 0x037f96ac, 0x55eb225a, + 0xc8e4c32c, 0xb485e6f7, 0x298a0781, 0x4c47ad41, 0xd1484c37, + 0xad2969ec, 0x3026889a, 0xcd6478d8, 0x506b99ae, 0x2c0abc75, + 0xb1055d03, 0xd4c8f7c3, 0x49c716b5, 0x35a6336e, 0xa8a9d218, + 0xfe3d66ee, 0x63328798, 0x1f53a243, 0x825c4335, 0xe791e9f5, + 0x7a9e0883, 0x06ff2d58, 0x9bf0cc2e, 0xabd644b4, 0x36d9a5c2, + 0x4ab88019, 0xd7b7616f, 0xb27acbaf, 0x2f752ad9, 0x53140f02, + 0xce1bee74, 0x988f5a82, 0x0580bbf4, 0x79e19e2f, 0xe4ee7f59, + 0x8123d599, 0x1c2c34ef, 0x604d1134, 0xfd42f042, 0x41b9f7f1, + 0xdcb61687, 0xa0d7335c, 0x3dd8d22a, 0x581578ea, 0xc51a999c, + 0xb97bbc47, 0x24745d31, 0x72e0e9c7, 0xefef08b1, 0x938e2d6a, + 0x0e81cc1c, 0x6b4c66dc, 0xf64387aa, 0x8a22a271, 0x172d4307, + 0x270bcb9d, 0xba042aeb, 0xc6650f30, 0x5b6aee46, 0x3ea74486, + 0xa3a8a5f0, 0xdfc9802b, 0x42c6615d, 0x1452d5ab, 0x895d34dd, + 0xf53c1106, 0x6833f070, 0x0dfe5ab0, 0x90f1bbc6, 0xec909e1d, + 0x719f7f6b, 0x8cdd8f29, 0x11d26e5f, 0x6db34b84, 0xf0bcaaf2, + 0x95710032, 0x087ee144, 0x741fc49f, 0xe91025e9, 0xbf84911f, + 0x228b7069, 0x5eea55b2, 0xc3e5b4c4, 0xa6281e04, 0x3b27ff72, + 0x4746daa9, 0xda493bdf, 0xea6fb345, 0x77605233, 0x0b0177e8, + 0x960e969e, 0xf3c33c5e, 0x6eccdd28, 0x12adf8f3, 0x8fa21985, + 0xd936ad73, 0x44394c05, 0x385869de, 0xa55788a8, 0xc09a2268, + 0x5d95c31e, 0x21f4e6c5, 0xbcfb07b3, 0x8373efe2, 0x1e7c0e94, + 0x621d2b4f, 0xff12ca39, 0x9adf60f9, 0x07d0818f, 0x7bb1a454, + 0xe6be4522, 0xb02af1d4, 0x2d2510a2, 0x51443579, 0xcc4bd40f, + 0xa9867ecf, 0x34899fb9, 0x48e8ba62, 0xd5e75b14, 0xe5c1d38e, + 0x78ce32f8, 0x04af1723, 0x99a0f655, 0xfc6d5c95, 0x6162bde3, + 0x1d039838, 0x800c794e, 0xd698cdb8, 0x4b972cce, 0x37f60915, + 0xaaf9e863, 0xcf3442a3, 0x523ba3d5, 0x2e5a860e, 0xb3556778, + 0x4e17973a, 0xd318764c, 0xaf795397, 0x3276b2e1, 0x57bb1821, + 0xcab4f957, 0xb6d5dc8c, 0x2bda3dfa, 0x7d4e890c, 0xe041687a, + 0x9c204da1, 0x012facd7, 0x64e20617, 0xf9ede761, 0x858cc2ba, + 0x188323cc, 0x28a5ab56, 0xb5aa4a20, 0xc9cb6ffb, 0x54c48e8d, + 0x3109244d, 0xac06c53b, 0xd067e0e0, 0x4d680196, 0x1bfcb560, + 0x86f35416, 0xfa9271cd, 0x679d90bb, 0x02503a7b, 0x9f5fdb0d, + 0xe33efed6, 0x7e311fa0, 0xc2ca1813, 0x5fc5f965, 0x23a4dcbe, + 0xbeab3dc8, 0xdb669708, 0x4669767e, 0x3a0853a5, 0xa707b2d3, + 0xf1930625, 0x6c9ce753, 0x10fdc288, 0x8df223fe, 0xe83f893e, + 0x75306848, 0x09514d93, 0x945eace5, 0xa478247f, 0x3977c509, + 0x4516e0d2, 0xd81901a4, 0xbdd4ab64, 0x20db4a12, 0x5cba6fc9, + 0xc1b58ebf, 0x97213a49, 0x0a2edb3f, 0x764ffee4, 0xeb401f92, + 0x8e8db552, 0x13825424, 0x6fe371ff, 0xf2ec9089, 0x0fae60cb, + 0x92a181bd, 0xeec0a466, 0x73cf4510, 0x1602efd0, 0x8b0d0ea6, + 0xf76c2b7d, 0x6a63ca0b, 0x3cf77efd, 0xa1f89f8b, 0xdd99ba50, + 0x40965b26, 0x255bf1e6, 0xb8541090, 0xc435354b, 0x593ad43d, + 0x691c5ca7, 0xf413bdd1, 0x8872980a, 0x157d797c, 0x70b0d3bc, + 0xedbf32ca, 0x91de1711, 0x0cd1f667, 0x5a454291, 0xc74aa3e7, + 0xbb2b863c, 0x2624674a, 0x43e9cd8a, 0xdee62cfc, 0xa2870927, + 0x3f88e851}, + {0x00000000, 0xdd96d985, 0x605cb54b, 0xbdca6cce, 0xc0b96a96, + 0x1d2fb313, 0xa0e5dfdd, 0x7d730658, 0x5a03d36d, 0x87950ae8, + 0x3a5f6626, 0xe7c9bfa3, 0x9abab9fb, 0x472c607e, 0xfae60cb0, + 0x2770d535, 0xb407a6da, 0x69917f5f, 0xd45b1391, 0x09cdca14, + 0x74becc4c, 0xa92815c9, 0x14e27907, 0xc974a082, 0xee0475b7, + 0x3392ac32, 0x8e58c0fc, 0x53ce1979, 0x2ebd1f21, 0xf32bc6a4, + 0x4ee1aa6a, 0x937773ef, 0xb37e4bf5, 0x6ee89270, 0xd322febe, + 0x0eb4273b, 0x73c72163, 0xae51f8e6, 0x139b9428, 0xce0d4dad, + 0xe97d9898, 0x34eb411d, 0x89212dd3, 0x54b7f456, 0x29c4f20e, + 0xf4522b8b, 0x49984745, 0x940e9ec0, 0x0779ed2f, 0xdaef34aa, + 0x67255864, 0xbab381e1, 0xc7c087b9, 0x1a565e3c, 0xa79c32f2, + 0x7a0aeb77, 0x5d7a3e42, 0x80ece7c7, 0x3d268b09, 0xe0b0528c, + 0x9dc354d4, 0x40558d51, 0xfd9fe19f, 0x2009381a, 0xbd8d91ab, + 0x601b482e, 0xddd124e0, 0x0047fd65, 0x7d34fb3d, 0xa0a222b8, + 0x1d684e76, 0xc0fe97f3, 0xe78e42c6, 0x3a189b43, 0x87d2f78d, + 0x5a442e08, 0x27372850, 0xfaa1f1d5, 0x476b9d1b, 0x9afd449e, + 0x098a3771, 0xd41ceef4, 0x69d6823a, 0xb4405bbf, 0xc9335de7, + 0x14a58462, 0xa96fe8ac, 0x74f93129, 0x5389e41c, 0x8e1f3d99, + 0x33d55157, 0xee4388d2, 0x93308e8a, 0x4ea6570f, 0xf36c3bc1, + 0x2efae244, 0x0ef3da5e, 0xd36503db, 0x6eaf6f15, 0xb339b690, + 0xce4ab0c8, 0x13dc694d, 0xae160583, 0x7380dc06, 0x54f00933, + 0x8966d0b6, 0x34acbc78, 0xe93a65fd, 0x944963a5, 0x49dfba20, + 0xf415d6ee, 0x29830f6b, 0xbaf47c84, 0x6762a501, 0xdaa8c9cf, + 0x073e104a, 0x7a4d1612, 0xa7dbcf97, 0x1a11a359, 0xc7877adc, + 0xe0f7afe9, 0x3d61766c, 0x80ab1aa2, 0x5d3dc327, 0x204ec57f, + 0xfdd81cfa, 0x40127034, 0x9d84a9b1, 0xa06a2517, 0x7dfcfc92, + 0xc036905c, 0x1da049d9, 0x60d34f81, 0xbd459604, 0x008ffaca, + 0xdd19234f, 0xfa69f67a, 0x27ff2fff, 0x9a354331, 0x47a39ab4, + 0x3ad09cec, 0xe7464569, 0x5a8c29a7, 0x871af022, 0x146d83cd, + 0xc9fb5a48, 0x74313686, 0xa9a7ef03, 0xd4d4e95b, 0x094230de, + 0xb4885c10, 0x691e8595, 0x4e6e50a0, 0x93f88925, 0x2e32e5eb, + 0xf3a43c6e, 0x8ed73a36, 0x5341e3b3, 0xee8b8f7d, 0x331d56f8, + 0x13146ee2, 0xce82b767, 0x7348dba9, 0xaede022c, 0xd3ad0474, + 0x0e3bddf1, 0xb3f1b13f, 0x6e6768ba, 0x4917bd8f, 0x9481640a, + 0x294b08c4, 0xf4ddd141, 0x89aed719, 0x54380e9c, 0xe9f26252, + 0x3464bbd7, 0xa713c838, 0x7a8511bd, 0xc74f7d73, 0x1ad9a4f6, + 0x67aaa2ae, 0xba3c7b2b, 0x07f617e5, 0xda60ce60, 0xfd101b55, + 0x2086c2d0, 0x9d4cae1e, 0x40da779b, 0x3da971c3, 0xe03fa846, + 0x5df5c488, 0x80631d0d, 0x1de7b4bc, 0xc0716d39, 0x7dbb01f7, + 0xa02dd872, 0xdd5ede2a, 0x00c807af, 0xbd026b61, 0x6094b2e4, + 0x47e467d1, 0x9a72be54, 0x27b8d29a, 0xfa2e0b1f, 0x875d0d47, + 0x5acbd4c2, 0xe701b80c, 0x3a976189, 0xa9e01266, 0x7476cbe3, + 0xc9bca72d, 0x142a7ea8, 0x695978f0, 0xb4cfa175, 0x0905cdbb, + 0xd493143e, 0xf3e3c10b, 0x2e75188e, 0x93bf7440, 0x4e29adc5, + 0x335aab9d, 0xeecc7218, 0x53061ed6, 0x8e90c753, 0xae99ff49, + 0x730f26cc, 0xcec54a02, 0x13539387, 0x6e2095df, 0xb3b64c5a, + 0x0e7c2094, 0xd3eaf911, 0xf49a2c24, 0x290cf5a1, 0x94c6996f, + 0x495040ea, 0x342346b2, 0xe9b59f37, 0x547ff3f9, 0x89e92a7c, + 0x1a9e5993, 0xc7088016, 0x7ac2ecd8, 0xa754355d, 0xda273305, + 0x07b1ea80, 0xba7b864e, 0x67ed5fcb, 0x409d8afe, 0x9d0b537b, + 0x20c13fb5, 0xfd57e630, 0x8024e068, 0x5db239ed, 0xe0785523, + 0x3dee8ca6}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x85d996dd, 0x4bb55c60, 0xce6ccabd, 0x966ab9c0, + 0x13b32f1d, 0xdddfe5a0, 0x5806737d, 0x6dd3035a, 0xe80a9587, + 0x26665f3a, 0xa3bfc9e7, 0xfbb9ba9a, 0x7e602c47, 0xb00ce6fa, + 0x35d57027, 0xdaa607b4, 0x5f7f9169, 0x91135bd4, 0x14cacd09, + 0x4cccbe74, 0xc91528a9, 0x0779e214, 0x82a074c9, 0xb77504ee, + 0x32ac9233, 0xfcc0588e, 0x7919ce53, 0x211fbd2e, 0xa4c62bf3, + 0x6aaae14e, 0xef737793, 0xf54b7eb3, 0x7092e86e, 0xbefe22d3, + 0x3b27b40e, 0x6321c773, 0xe6f851ae, 0x28949b13, 0xad4d0dce, + 0x98987de9, 0x1d41eb34, 0xd32d2189, 0x56f4b754, 0x0ef2c429, + 0x8b2b52f4, 0x45479849, 0xc09e0e94, 0x2fed7907, 0xaa34efda, + 0x64582567, 0xe181b3ba, 0xb987c0c7, 0x3c5e561a, 0xf2329ca7, + 0x77eb0a7a, 0x423e7a5d, 0xc7e7ec80, 0x098b263d, 0x8c52b0e0, + 0xd454c39d, 0x518d5540, 0x9fe19ffd, 0x1a380920, 0xab918dbd, + 0x2e481b60, 0xe024d1dd, 0x65fd4700, 0x3dfb347d, 0xb822a2a0, + 0x764e681d, 0xf397fec0, 0xc6428ee7, 0x439b183a, 0x8df7d287, + 0x082e445a, 0x50283727, 0xd5f1a1fa, 0x1b9d6b47, 0x9e44fd9a, + 0x71378a09, 0xf4ee1cd4, 0x3a82d669, 0xbf5b40b4, 0xe75d33c9, + 0x6284a514, 0xace86fa9, 0x2931f974, 0x1ce48953, 0x993d1f8e, + 0x5751d533, 0xd28843ee, 0x8a8e3093, 0x0f57a64e, 0xc13b6cf3, + 0x44e2fa2e, 0x5edaf30e, 0xdb0365d3, 0x156faf6e, 0x90b639b3, + 0xc8b04ace, 0x4d69dc13, 0x830516ae, 0x06dc8073, 0x3309f054, + 0xb6d06689, 0x78bcac34, 0xfd653ae9, 0xa5634994, 0x20badf49, + 0xeed615f4, 0x6b0f8329, 0x847cf4ba, 0x01a56267, 0xcfc9a8da, + 0x4a103e07, 0x12164d7a, 0x97cfdba7, 0x59a3111a, 0xdc7a87c7, + 0xe9aff7e0, 0x6c76613d, 0xa21aab80, 0x27c33d5d, 0x7fc54e20, + 0xfa1cd8fd, 0x34701240, 0xb1a9849d, 0x17256aa0, 0x92fcfc7d, + 0x5c9036c0, 0xd949a01d, 0x814fd360, 0x049645bd, 0xcafa8f00, + 0x4f2319dd, 0x7af669fa, 0xff2fff27, 0x3143359a, 0xb49aa347, + 0xec9cd03a, 0x694546e7, 0xa7298c5a, 0x22f01a87, 0xcd836d14, + 0x485afbc9, 0x86363174, 0x03efa7a9, 0x5be9d4d4, 0xde304209, + 0x105c88b4, 0x95851e69, 0xa0506e4e, 0x2589f893, 0xebe5322e, + 0x6e3ca4f3, 0x363ad78e, 0xb3e34153, 0x7d8f8bee, 0xf8561d33, + 0xe26e1413, 0x67b782ce, 0xa9db4873, 0x2c02deae, 0x7404add3, + 0xf1dd3b0e, 0x3fb1f1b3, 0xba68676e, 0x8fbd1749, 0x0a648194, + 0xc4084b29, 0x41d1ddf4, 0x19d7ae89, 0x9c0e3854, 0x5262f2e9, + 0xd7bb6434, 0x38c813a7, 0xbd11857a, 0x737d4fc7, 0xf6a4d91a, + 0xaea2aa67, 0x2b7b3cba, 0xe517f607, 0x60ce60da, 0x551b10fd, + 0xd0c28620, 0x1eae4c9d, 0x9b77da40, 0xc371a93d, 0x46a83fe0, + 0x88c4f55d, 0x0d1d6380, 0xbcb4e71d, 0x396d71c0, 0xf701bb7d, + 0x72d82da0, 0x2ade5edd, 0xaf07c800, 0x616b02bd, 0xe4b29460, + 0xd167e447, 0x54be729a, 0x9ad2b827, 0x1f0b2efa, 0x470d5d87, + 0xc2d4cb5a, 0x0cb801e7, 0x8961973a, 0x6612e0a9, 0xe3cb7674, + 0x2da7bcc9, 0xa87e2a14, 0xf0785969, 0x75a1cfb4, 0xbbcd0509, + 0x3e1493d4, 0x0bc1e3f3, 0x8e18752e, 0x4074bf93, 0xc5ad294e, + 0x9dab5a33, 0x1872ccee, 0xd61e0653, 0x53c7908e, 0x49ff99ae, + 0xcc260f73, 0x024ac5ce, 0x87935313, 0xdf95206e, 0x5a4cb6b3, + 0x94207c0e, 0x11f9ead3, 0x242c9af4, 0xa1f50c29, 0x6f99c694, + 0xea405049, 0xb2462334, 0x379fb5e9, 0xf9f37f54, 0x7c2ae989, + 0x93599e1a, 0x168008c7, 0xd8ecc27a, 0x5d3554a7, 0x053327da, + 0x80eab107, 0x4e867bba, 0xcb5fed67, 0xfe8a9d40, 0x7b530b9d, + 0xb53fc120, 0x30e657fd, 0x68e02480, 0xed39b25d, 0x235578e0, + 0xa68cee3d}, + {0x00000000, 0x76e10f9d, 0xadc46ee1, 0xdb25617c, 0x1b8fac19, + 0x6d6ea384, 0xb64bc2f8, 0xc0aacd65, 0x361e5933, 0x40ff56ae, + 0x9bda37d2, 0xed3b384f, 0x2d91f52a, 0x5b70fab7, 0x80559bcb, + 0xf6b49456, 0x6c3cb266, 0x1addbdfb, 0xc1f8dc87, 0xb719d31a, + 0x77b31e7f, 0x015211e2, 0xda77709e, 0xac967f03, 0x5a22eb55, + 0x2cc3e4c8, 0xf7e685b4, 0x81078a29, 0x41ad474c, 0x374c48d1, + 0xec6929ad, 0x9a882630, 0xd87864cd, 0xae996b50, 0x75bc0a2c, + 0x035d05b1, 0xc3f7c8d4, 0xb516c749, 0x6e33a635, 0x18d2a9a8, + 0xee663dfe, 0x98873263, 0x43a2531f, 0x35435c82, 0xf5e991e7, + 0x83089e7a, 0x582dff06, 0x2eccf09b, 0xb444d6ab, 0xc2a5d936, + 0x1980b84a, 0x6f61b7d7, 0xafcb7ab2, 0xd92a752f, 0x020f1453, + 0x74ee1bce, 0x825a8f98, 0xf4bb8005, 0x2f9ee179, 0x597feee4, + 0x99d52381, 0xef342c1c, 0x34114d60, 0x42f042fd, 0xf1f7b941, + 0x8716b6dc, 0x5c33d7a0, 0x2ad2d83d, 0xea781558, 0x9c991ac5, + 0x47bc7bb9, 0x315d7424, 0xc7e9e072, 0xb108efef, 0x6a2d8e93, + 0x1ccc810e, 0xdc664c6b, 0xaa8743f6, 0x71a2228a, 0x07432d17, + 0x9dcb0b27, 0xeb2a04ba, 0x300f65c6, 0x46ee6a5b, 0x8644a73e, + 0xf0a5a8a3, 0x2b80c9df, 0x5d61c642, 0xabd55214, 0xdd345d89, + 0x06113cf5, 0x70f03368, 0xb05afe0d, 0xc6bbf190, 0x1d9e90ec, + 0x6b7f9f71, 0x298fdd8c, 0x5f6ed211, 0x844bb36d, 0xf2aabcf0, + 0x32007195, 0x44e17e08, 0x9fc41f74, 0xe92510e9, 0x1f9184bf, + 0x69708b22, 0xb255ea5e, 0xc4b4e5c3, 0x041e28a6, 0x72ff273b, + 0xa9da4647, 0xdf3b49da, 0x45b36fea, 0x33526077, 0xe877010b, + 0x9e960e96, 0x5e3cc3f3, 0x28ddcc6e, 0xf3f8ad12, 0x8519a28f, + 0x73ad36d9, 0x054c3944, 0xde695838, 0xa88857a5, 0x68229ac0, + 0x1ec3955d, 0xc5e6f421, 0xb307fbbc, 0xe2ef7383, 0x940e7c1e, + 0x4f2b1d62, 0x39ca12ff, 0xf960df9a, 0x8f81d007, 0x54a4b17b, + 0x2245bee6, 0xd4f12ab0, 0xa210252d, 0x79354451, 0x0fd44bcc, + 0xcf7e86a9, 0xb99f8934, 0x62bae848, 0x145be7d5, 0x8ed3c1e5, + 0xf832ce78, 0x2317af04, 0x55f6a099, 0x955c6dfc, 0xe3bd6261, + 0x3898031d, 0x4e790c80, 0xb8cd98d6, 0xce2c974b, 0x1509f637, + 0x63e8f9aa, 0xa34234cf, 0xd5a33b52, 0x0e865a2e, 0x786755b3, + 0x3a97174e, 0x4c7618d3, 0x975379af, 0xe1b27632, 0x2118bb57, + 0x57f9b4ca, 0x8cdcd5b6, 0xfa3dda2b, 0x0c894e7d, 0x7a6841e0, + 0xa14d209c, 0xd7ac2f01, 0x1706e264, 0x61e7edf9, 0xbac28c85, + 0xcc238318, 0x56aba528, 0x204aaab5, 0xfb6fcbc9, 0x8d8ec454, + 0x4d240931, 0x3bc506ac, 0xe0e067d0, 0x9601684d, 0x60b5fc1b, + 0x1654f386, 0xcd7192fa, 0xbb909d67, 0x7b3a5002, 0x0ddb5f9f, + 0xd6fe3ee3, 0xa01f317e, 0x1318cac2, 0x65f9c55f, 0xbedca423, + 0xc83dabbe, 0x089766db, 0x7e766946, 0xa553083a, 0xd3b207a7, + 0x250693f1, 0x53e79c6c, 0x88c2fd10, 0xfe23f28d, 0x3e893fe8, + 0x48683075, 0x934d5109, 0xe5ac5e94, 0x7f2478a4, 0x09c57739, + 0xd2e01645, 0xa40119d8, 0x64abd4bd, 0x124adb20, 0xc96fba5c, + 0xbf8eb5c1, 0x493a2197, 0x3fdb2e0a, 0xe4fe4f76, 0x921f40eb, + 0x52b58d8e, 0x24548213, 0xff71e36f, 0x8990ecf2, 0xcb60ae0f, + 0xbd81a192, 0x66a4c0ee, 0x1045cf73, 0xd0ef0216, 0xa60e0d8b, + 0x7d2b6cf7, 0x0bca636a, 0xfd7ef73c, 0x8b9ff8a1, 0x50ba99dd, + 0x265b9640, 0xe6f15b25, 0x901054b8, 0x4b3535c4, 0x3dd43a59, + 0xa75c1c69, 0xd1bd13f4, 0x0a987288, 0x7c797d15, 0xbcd3b070, + 0xca32bfed, 0x1117de91, 0x67f6d10c, 0x9142455a, 0xe7a34ac7, + 0x3c862bbb, 0x4a672426, 0x8acde943, 0xfc2ce6de, 0x270987a2, + 0x51e8883f}, + {0x00000000, 0xe8dbfbb9, 0x91b186a8, 0x796a7d11, 0x63657c8a, + 0x8bbe8733, 0xf2d4fa22, 0x1a0f019b, 0x87cc89cf, 0x6f177276, + 0x167d0f67, 0xfea6f4de, 0xe4a9f545, 0x0c720efc, 0x751873ed, + 0x9dc38854, 0x4f9f6244, 0xa74499fd, 0xde2ee4ec, 0x36f51f55, + 0x2cfa1ece, 0xc421e577, 0xbd4b9866, 0x559063df, 0xc853eb8b, + 0x20881032, 0x59e26d23, 0xb139969a, 0xab369701, 0x43ed6cb8, + 0x3a8711a9, 0xd25cea10, 0x9e3ec588, 0x76e53e31, 0x0f8f4320, + 0xe754b899, 0xfd5bb902, 0x158042bb, 0x6cea3faa, 0x8431c413, + 0x19f24c47, 0xf129b7fe, 0x8843caef, 0x60983156, 0x7a9730cd, + 0x924ccb74, 0xeb26b665, 0x03fd4ddc, 0xd1a1a7cc, 0x397a5c75, + 0x40102164, 0xa8cbdadd, 0xb2c4db46, 0x5a1f20ff, 0x23755dee, + 0xcbaea657, 0x566d2e03, 0xbeb6d5ba, 0xc7dca8ab, 0x2f075312, + 0x35085289, 0xddd3a930, 0xa4b9d421, 0x4c622f98, 0x7d7bfbca, + 0x95a00073, 0xecca7d62, 0x041186db, 0x1e1e8740, 0xf6c57cf9, + 0x8faf01e8, 0x6774fa51, 0xfab77205, 0x126c89bc, 0x6b06f4ad, + 0x83dd0f14, 0x99d20e8f, 0x7109f536, 0x08638827, 0xe0b8739e, + 0x32e4998e, 0xda3f6237, 0xa3551f26, 0x4b8ee49f, 0x5181e504, + 0xb95a1ebd, 0xc03063ac, 0x28eb9815, 0xb5281041, 0x5df3ebf8, + 0x249996e9, 0xcc426d50, 0xd64d6ccb, 0x3e969772, 0x47fcea63, + 0xaf2711da, 0xe3453e42, 0x0b9ec5fb, 0x72f4b8ea, 0x9a2f4353, + 0x802042c8, 0x68fbb971, 0x1191c460, 0xf94a3fd9, 0x6489b78d, + 0x8c524c34, 0xf5383125, 0x1de3ca9c, 0x07eccb07, 0xef3730be, + 0x965d4daf, 0x7e86b616, 0xacda5c06, 0x4401a7bf, 0x3d6bdaae, + 0xd5b02117, 0xcfbf208c, 0x2764db35, 0x5e0ea624, 0xb6d55d9d, + 0x2b16d5c9, 0xc3cd2e70, 0xbaa75361, 0x527ca8d8, 0x4873a943, + 0xa0a852fa, 0xd9c22feb, 0x3119d452, 0xbbf0874e, 0x532b7cf7, + 0x2a4101e6, 0xc29afa5f, 0xd895fbc4, 0x304e007d, 0x49247d6c, + 0xa1ff86d5, 0x3c3c0e81, 0xd4e7f538, 0xad8d8829, 0x45567390, + 0x5f59720b, 0xb78289b2, 0xcee8f4a3, 0x26330f1a, 0xf46fe50a, + 0x1cb41eb3, 0x65de63a2, 0x8d05981b, 0x970a9980, 0x7fd16239, + 0x06bb1f28, 0xee60e491, 0x73a36cc5, 0x9b78977c, 0xe212ea6d, + 0x0ac911d4, 0x10c6104f, 0xf81debf6, 0x817796e7, 0x69ac6d5e, + 0x25ce42c6, 0xcd15b97f, 0xb47fc46e, 0x5ca43fd7, 0x46ab3e4c, + 0xae70c5f5, 0xd71ab8e4, 0x3fc1435d, 0xa202cb09, 0x4ad930b0, + 0x33b34da1, 0xdb68b618, 0xc167b783, 0x29bc4c3a, 0x50d6312b, + 0xb80dca92, 0x6a512082, 0x828adb3b, 0xfbe0a62a, 0x133b5d93, + 0x09345c08, 0xe1efa7b1, 0x9885daa0, 0x705e2119, 0xed9da94d, + 0x054652f4, 0x7c2c2fe5, 0x94f7d45c, 0x8ef8d5c7, 0x66232e7e, + 0x1f49536f, 0xf792a8d6, 0xc68b7c84, 0x2e50873d, 0x573afa2c, + 0xbfe10195, 0xa5ee000e, 0x4d35fbb7, 0x345f86a6, 0xdc847d1f, + 0x4147f54b, 0xa99c0ef2, 0xd0f673e3, 0x382d885a, 0x222289c1, + 0xcaf97278, 0xb3930f69, 0x5b48f4d0, 0x89141ec0, 0x61cfe579, + 0x18a59868, 0xf07e63d1, 0xea71624a, 0x02aa99f3, 0x7bc0e4e2, + 0x931b1f5b, 0x0ed8970f, 0xe6036cb6, 0x9f6911a7, 0x77b2ea1e, + 0x6dbdeb85, 0x8566103c, 0xfc0c6d2d, 0x14d79694, 0x58b5b90c, + 0xb06e42b5, 0xc9043fa4, 0x21dfc41d, 0x3bd0c586, 0xd30b3e3f, + 0xaa61432e, 0x42bab897, 0xdf7930c3, 0x37a2cb7a, 0x4ec8b66b, + 0xa6134dd2, 0xbc1c4c49, 0x54c7b7f0, 0x2dadcae1, 0xc5763158, + 0x172adb48, 0xfff120f1, 0x869b5de0, 0x6e40a659, 0x744fa7c2, + 0x9c945c7b, 0xe5fe216a, 0x0d25dad3, 0x90e65287, 0x783da93e, + 0x0157d42f, 0xe98c2f96, 0xf3832e0d, 0x1b58d5b4, 0x6232a8a5, + 0x8ae9531c}, + {0x00000000, 0x919168ae, 0x6325a087, 0xf2b4c829, 0x874c31d4, + 0x16dd597a, 0xe4699153, 0x75f8f9fd, 0x4f9f1373, 0xde0e7bdd, + 0x2cbab3f4, 0xbd2bdb5a, 0xc8d322a7, 0x59424a09, 0xabf68220, + 0x3a67ea8e, 0x9e3e27e6, 0x0faf4f48, 0xfd1b8761, 0x6c8aefcf, + 0x19721632, 0x88e37e9c, 0x7a57b6b5, 0xebc6de1b, 0xd1a13495, + 0x40305c3b, 0xb2849412, 0x2315fcbc, 0x56ed0541, 0xc77c6def, + 0x35c8a5c6, 0xa459cd68, 0x7d7b3f17, 0xecea57b9, 0x1e5e9f90, + 0x8fcff73e, 0xfa370ec3, 0x6ba6666d, 0x9912ae44, 0x0883c6ea, + 0x32e42c64, 0xa37544ca, 0x51c18ce3, 0xc050e44d, 0xb5a81db0, + 0x2439751e, 0xd68dbd37, 0x471cd599, 0xe34518f1, 0x72d4705f, + 0x8060b876, 0x11f1d0d8, 0x64092925, 0xf598418b, 0x072c89a2, + 0x96bde10c, 0xacda0b82, 0x3d4b632c, 0xcfffab05, 0x5e6ec3ab, + 0x2b963a56, 0xba0752f8, 0x48b39ad1, 0xd922f27f, 0xfaf67e2e, + 0x6b671680, 0x99d3dea9, 0x0842b607, 0x7dba4ffa, 0xec2b2754, + 0x1e9fef7d, 0x8f0e87d3, 0xb5696d5d, 0x24f805f3, 0xd64ccdda, + 0x47dda574, 0x32255c89, 0xa3b43427, 0x5100fc0e, 0xc09194a0, + 0x64c859c8, 0xf5593166, 0x07edf94f, 0x967c91e1, 0xe384681c, + 0x721500b2, 0x80a1c89b, 0x1130a035, 0x2b574abb, 0xbac62215, + 0x4872ea3c, 0xd9e38292, 0xac1b7b6f, 0x3d8a13c1, 0xcf3edbe8, + 0x5eafb346, 0x878d4139, 0x161c2997, 0xe4a8e1be, 0x75398910, + 0x00c170ed, 0x91501843, 0x63e4d06a, 0xf275b8c4, 0xc812524a, + 0x59833ae4, 0xab37f2cd, 0x3aa69a63, 0x4f5e639e, 0xdecf0b30, + 0x2c7bc319, 0xbdeaabb7, 0x19b366df, 0x88220e71, 0x7a96c658, + 0xeb07aef6, 0x9eff570b, 0x0f6e3fa5, 0xfddaf78c, 0x6c4b9f22, + 0x562c75ac, 0xc7bd1d02, 0x3509d52b, 0xa498bd85, 0xd1604478, + 0x40f12cd6, 0xb245e4ff, 0x23d48c51, 0xf4edfd5c, 0x657c95f2, + 0x97c85ddb, 0x06593575, 0x73a1cc88, 0xe230a426, 0x10846c0f, + 0x811504a1, 0xbb72ee2f, 0x2ae38681, 0xd8574ea8, 0x49c62606, + 0x3c3edffb, 0xadafb755, 0x5f1b7f7c, 0xce8a17d2, 0x6ad3daba, + 0xfb42b214, 0x09f67a3d, 0x98671293, 0xed9feb6e, 0x7c0e83c0, + 0x8eba4be9, 0x1f2b2347, 0x254cc9c9, 0xb4dda167, 0x4669694e, + 0xd7f801e0, 0xa200f81d, 0x339190b3, 0xc125589a, 0x50b43034, + 0x8996c24b, 0x1807aae5, 0xeab362cc, 0x7b220a62, 0x0edaf39f, + 0x9f4b9b31, 0x6dff5318, 0xfc6e3bb6, 0xc609d138, 0x5798b996, + 0xa52c71bf, 0x34bd1911, 0x4145e0ec, 0xd0d48842, 0x2260406b, + 0xb3f128c5, 0x17a8e5ad, 0x86398d03, 0x748d452a, 0xe51c2d84, + 0x90e4d479, 0x0175bcd7, 0xf3c174fe, 0x62501c50, 0x5837f6de, + 0xc9a69e70, 0x3b125659, 0xaa833ef7, 0xdf7bc70a, 0x4eeaafa4, + 0xbc5e678d, 0x2dcf0f23, 0x0e1b8372, 0x9f8aebdc, 0x6d3e23f5, + 0xfcaf4b5b, 0x8957b2a6, 0x18c6da08, 0xea721221, 0x7be37a8f, + 0x41849001, 0xd015f8af, 0x22a13086, 0xb3305828, 0xc6c8a1d5, + 0x5759c97b, 0xa5ed0152, 0x347c69fc, 0x9025a494, 0x01b4cc3a, + 0xf3000413, 0x62916cbd, 0x17699540, 0x86f8fdee, 0x744c35c7, + 0xe5dd5d69, 0xdfbab7e7, 0x4e2bdf49, 0xbc9f1760, 0x2d0e7fce, + 0x58f68633, 0xc967ee9d, 0x3bd326b4, 0xaa424e1a, 0x7360bc65, + 0xe2f1d4cb, 0x10451ce2, 0x81d4744c, 0xf42c8db1, 0x65bde51f, + 0x97092d36, 0x06984598, 0x3cffaf16, 0xad6ec7b8, 0x5fda0f91, + 0xce4b673f, 0xbbb39ec2, 0x2a22f66c, 0xd8963e45, 0x490756eb, + 0xed5e9b83, 0x7ccff32d, 0x8e7b3b04, 0x1fea53aa, 0x6a12aa57, + 0xfb83c2f9, 0x09370ad0, 0x98a6627e, 0xa2c188f0, 0x3350e05e, + 0xc1e42877, 0x507540d9, 0x258db924, 0xb41cd18a, 0x46a819a3, + 0xd739710d}}; + +#endif + +#endif + +#if N == 5 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xaf449247, 0x85f822cf, 0x2abcb088, 0xd08143df, + 0x7fc5d198, 0x55796110, 0xfa3df357, 0x7a7381ff, 0xd53713b8, + 0xff8ba330, 0x50cf3177, 0xaaf2c220, 0x05b65067, 0x2f0ae0ef, + 0x804e72a8, 0xf4e703fe, 0x5ba391b9, 0x711f2131, 0xde5bb376, + 0x24664021, 0x8b22d266, 0xa19e62ee, 0x0edaf0a9, 0x8e948201, + 0x21d01046, 0x0b6ca0ce, 0xa4283289, 0x5e15c1de, 0xf1515399, + 0xdbede311, 0x74a97156, 0x32bf01bd, 0x9dfb93fa, 0xb7472372, + 0x1803b135, 0xe23e4262, 0x4d7ad025, 0x67c660ad, 0xc882f2ea, + 0x48cc8042, 0xe7881205, 0xcd34a28d, 0x627030ca, 0x984dc39d, + 0x370951da, 0x1db5e152, 0xb2f17315, 0xc6580243, 0x691c9004, + 0x43a0208c, 0xece4b2cb, 0x16d9419c, 0xb99dd3db, 0x93216353, + 0x3c65f114, 0xbc2b83bc, 0x136f11fb, 0x39d3a173, 0x96973334, + 0x6caac063, 0xc3ee5224, 0xe952e2ac, 0x461670eb, 0x657e037a, + 0xca3a913d, 0xe08621b5, 0x4fc2b3f2, 0xb5ff40a5, 0x1abbd2e2, + 0x3007626a, 0x9f43f02d, 0x1f0d8285, 0xb04910c2, 0x9af5a04a, + 0x35b1320d, 0xcf8cc15a, 0x60c8531d, 0x4a74e395, 0xe53071d2, + 0x91990084, 0x3edd92c3, 0x1461224b, 0xbb25b00c, 0x4118435b, + 0xee5cd11c, 0xc4e06194, 0x6ba4f3d3, 0xebea817b, 0x44ae133c, + 0x6e12a3b4, 0xc15631f3, 0x3b6bc2a4, 0x942f50e3, 0xbe93e06b, + 0x11d7722c, 0x57c102c7, 0xf8859080, 0xd2392008, 0x7d7db24f, + 0x87404118, 0x2804d35f, 0x02b863d7, 0xadfcf190, 0x2db28338, + 0x82f6117f, 0xa84aa1f7, 0x070e33b0, 0xfd33c0e7, 0x527752a0, + 0x78cbe228, 0xd78f706f, 0xa3260139, 0x0c62937e, 0x26de23f6, + 0x899ab1b1, 0x73a742e6, 0xdce3d0a1, 0xf65f6029, 0x591bf26e, + 0xd95580c6, 0x76111281, 0x5cada209, 0xf3e9304e, 0x09d4c319, + 0xa690515e, 0x8c2ce1d6, 0x23687391, 0xcafc06f4, 0x65b894b3, + 0x4f04243b, 0xe040b67c, 0x1a7d452b, 0xb539d76c, 0x9f8567e4, + 0x30c1f5a3, 0xb08f870b, 0x1fcb154c, 0x3577a5c4, 0x9a333783, + 0x600ec4d4, 0xcf4a5693, 0xe5f6e61b, 0x4ab2745c, 0x3e1b050a, + 0x915f974d, 0xbbe327c5, 0x14a7b582, 0xee9a46d5, 0x41ded492, + 0x6b62641a, 0xc426f65d, 0x446884f5, 0xeb2c16b2, 0xc190a63a, + 0x6ed4347d, 0x94e9c72a, 0x3bad556d, 0x1111e5e5, 0xbe5577a2, + 0xf8430749, 0x5707950e, 0x7dbb2586, 0xd2ffb7c1, 0x28c24496, + 0x8786d6d1, 0xad3a6659, 0x027ef41e, 0x823086b6, 0x2d7414f1, + 0x07c8a479, 0xa88c363e, 0x52b1c569, 0xfdf5572e, 0xd749e7a6, + 0x780d75e1, 0x0ca404b7, 0xa3e096f0, 0x895c2678, 0x2618b43f, + 0xdc254768, 0x7361d52f, 0x59dd65a7, 0xf699f7e0, 0x76d78548, + 0xd993170f, 0xf32fa787, 0x5c6b35c0, 0xa656c697, 0x091254d0, + 0x23aee458, 0x8cea761f, 0xaf82058e, 0x00c697c9, 0x2a7a2741, + 0x853eb506, 0x7f034651, 0xd047d416, 0xfafb649e, 0x55bff6d9, + 0xd5f18471, 0x7ab51636, 0x5009a6be, 0xff4d34f9, 0x0570c7ae, + 0xaa3455e9, 0x8088e561, 0x2fcc7726, 0x5b650670, 0xf4219437, + 0xde9d24bf, 0x71d9b6f8, 0x8be445af, 0x24a0d7e8, 0x0e1c6760, + 0xa158f527, 0x2116878f, 0x8e5215c8, 0xa4eea540, 0x0baa3707, + 0xf197c450, 0x5ed35617, 0x746fe69f, 0xdb2b74d8, 0x9d3d0433, + 0x32799674, 0x18c526fc, 0xb781b4bb, 0x4dbc47ec, 0xe2f8d5ab, + 0xc8446523, 0x6700f764, 0xe74e85cc, 0x480a178b, 0x62b6a703, + 0xcdf23544, 0x37cfc613, 0x988b5454, 0xb237e4dc, 0x1d73769b, + 0x69da07cd, 0xc69e958a, 0xec222502, 0x4366b745, 0xb95b4412, + 0x161fd655, 0x3ca366dd, 0x93e7f49a, 0x13a98632, 0xbced1475, + 0x9651a4fd, 0x391536ba, 0xc328c5ed, 0x6c6c57aa, 0x46d0e722, + 0xe9947565}, + {0x00000000, 0x4e890ba9, 0x9d121752, 0xd39b1cfb, 0xe15528e5, + 0xafdc234c, 0x7c473fb7, 0x32ce341e, 0x19db578b, 0x57525c22, + 0x84c940d9, 0xca404b70, 0xf88e7f6e, 0xb60774c7, 0x659c683c, + 0x2b156395, 0x33b6af16, 0x7d3fa4bf, 0xaea4b844, 0xe02db3ed, + 0xd2e387f3, 0x9c6a8c5a, 0x4ff190a1, 0x01789b08, 0x2a6df89d, + 0x64e4f334, 0xb77fefcf, 0xf9f6e466, 0xcb38d078, 0x85b1dbd1, + 0x562ac72a, 0x18a3cc83, 0x676d5e2c, 0x29e45585, 0xfa7f497e, + 0xb4f642d7, 0x863876c9, 0xc8b17d60, 0x1b2a619b, 0x55a36a32, + 0x7eb609a7, 0x303f020e, 0xe3a41ef5, 0xad2d155c, 0x9fe32142, + 0xd16a2aeb, 0x02f13610, 0x4c783db9, 0x54dbf13a, 0x1a52fa93, + 0xc9c9e668, 0x8740edc1, 0xb58ed9df, 0xfb07d276, 0x289cce8d, + 0x6615c524, 0x4d00a6b1, 0x0389ad18, 0xd012b1e3, 0x9e9bba4a, + 0xac558e54, 0xe2dc85fd, 0x31479906, 0x7fce92af, 0xcedabc58, + 0x8053b7f1, 0x53c8ab0a, 0x1d41a0a3, 0x2f8f94bd, 0x61069f14, + 0xb29d83ef, 0xfc148846, 0xd701ebd3, 0x9988e07a, 0x4a13fc81, + 0x049af728, 0x3654c336, 0x78ddc89f, 0xab46d464, 0xe5cfdfcd, + 0xfd6c134e, 0xb3e518e7, 0x607e041c, 0x2ef70fb5, 0x1c393bab, + 0x52b03002, 0x812b2cf9, 0xcfa22750, 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0xf1a008c1, 0xd52259f7, + 0xb8a4aaad, 0x9c26fb9b, 0x63a94c19, 0x472b1d2f, 0x2aadee75, + 0x0e2fbf43}, + {0x00000000, 0x36f290f3, 0x6de521e6, 0x5b17b115, 0xdbca43cc, + 0xed38d33f, 0xb62f622a, 0x80ddf2d9, 0x6ce581d9, 0x5a17112a, + 0x0100a03f, 0x37f230cc, 0xb72fc215, 0x81dd52e6, 0xdacae3f3, + 0xec387300, 0xd9cb03b2, 0xef399341, 0xb42e2254, 0x82dcb2a7, + 0x0201407e, 0x34f3d08d, 0x6fe46198, 0x5916f16b, 0xb52e826b, + 0x83dc1298, 0xd8cba38d, 0xee39337e, 0x6ee4c1a7, 0x58165154, + 0x0301e041, 0x35f370b2, 0x68e70125, 0x5e1591d6, 0x050220c3, + 0x33f0b030, 0xb32d42e9, 0x85dfd21a, 0xdec8630f, 0xe83af3fc, + 0x040280fc, 0x32f0100f, 0x69e7a11a, 0x5f1531e9, 0xdfc8c330, + 0xe93a53c3, 0xb22de2d6, 0x84df7225, 0xb12c0297, 0x87de9264, + 0xdcc92371, 0xea3bb382, 0x6ae6415b, 0x5c14d1a8, 0x070360bd, + 0x31f1f04e, 0xddc9834e, 0xeb3b13bd, 0xb02ca2a8, 0x86de325b, + 0x0603c082, 0x30f15071, 0x6be6e164, 0x5d147197, 0xd1ce024a, + 0xe73c92b9, 0xbc2b23ac, 0x8ad9b35f, 0x0a044186, 0x3cf6d175, + 0x67e16060, 0x5113f093, 0xbd2b8393, 0x8bd91360, 0xd0cea275, + 0xe63c3286, 0x66e1c05f, 0x501350ac, 0x0b04e1b9, 0x3df6714a, + 0x080501f8, 0x3ef7910b, 0x65e0201e, 0x5312b0ed, 0xd3cf4234, + 0xe53dd2c7, 0xbe2a63d2, 0x88d8f321, 0x64e08021, 0x521210d2, + 0x0905a1c7, 0x3ff73134, 0xbf2ac3ed, 0x89d8531e, 0xd2cfe20b, + 0xe43d72f8, 0xb929036f, 0x8fdb939c, 0xd4cc2289, 0xe23eb27a, + 0x62e340a3, 0x5411d050, 0x0f066145, 0x39f4f1b6, 0xd5cc82b6, + 0xe33e1245, 0xb829a350, 0x8edb33a3, 0x0e06c17a, 0x38f45189, + 0x63e3e09c, 0x5511706f, 0x60e200dd, 0x5610902e, 0x0d07213b, + 0x3bf5b1c8, 0xbb284311, 0x8ddad3e2, 0xd6cd62f7, 0xe03ff204, + 0x0c078104, 0x3af511f7, 0x61e2a0e2, 0x57103011, 0xd7cdc2c8, + 0xe13f523b, 0xba28e32e, 0x8cda73dd, 0x78ed02d5, 0x4e1f9226, + 0x15082333, 0x23fab3c0, 0xa3274119, 0x95d5d1ea, 0xcec260ff, + 0xf830f00c, 0x1408830c, 0x22fa13ff, 0x79eda2ea, 0x4f1f3219, + 0xcfc2c0c0, 0xf9305033, 0xa227e126, 0x94d571d5, 0xa1260167, + 0x97d49194, 0xccc32081, 0xfa31b072, 0x7aec42ab, 0x4c1ed258, + 0x1709634d, 0x21fbf3be, 0xcdc380be, 0xfb31104d, 0xa026a158, + 0x96d431ab, 0x1609c372, 0x20fb5381, 0x7bece294, 0x4d1e7267, + 0x100a03f0, 0x26f89303, 0x7def2216, 0x4b1db2e5, 0xcbc0403c, + 0xfd32d0cf, 0xa62561da, 0x90d7f129, 0x7cef8229, 0x4a1d12da, + 0x110aa3cf, 0x27f8333c, 0xa725c1e5, 0x91d75116, 0xcac0e003, + 0xfc3270f0, 0xc9c10042, 0xff3390b1, 0xa42421a4, 0x92d6b157, + 0x120b438e, 0x24f9d37d, 0x7fee6268, 0x491cf29b, 0xa524819b, + 0x93d61168, 0xc8c1a07d, 0xfe33308e, 0x7eeec257, 0x481c52a4, + 0x130be3b1, 0x25f97342, 0xa923009f, 0x9fd1906c, 0xc4c62179, + 0xf234b18a, 0x72e94353, 0x441bd3a0, 0x1f0c62b5, 0x29fef246, + 0xc5c68146, 0xf33411b5, 0xa823a0a0, 0x9ed13053, 0x1e0cc28a, + 0x28fe5279, 0x73e9e36c, 0x451b739f, 0x70e8032d, 0x461a93de, + 0x1d0d22cb, 0x2bffb238, 0xab2240e1, 0x9dd0d012, 0xc6c76107, + 0xf035f1f4, 0x1c0d82f4, 0x2aff1207, 0x71e8a312, 0x471a33e1, + 0xc7c7c138, 0xf13551cb, 0xaa22e0de, 0x9cd0702d, 0xc1c401ba, + 0xf7369149, 0xac21205c, 0x9ad3b0af, 0x1a0e4276, 0x2cfcd285, + 0x77eb6390, 0x4119f363, 0xad218063, 0x9bd31090, 0xc0c4a185, + 0xf6363176, 0x76ebc3af, 0x4019535c, 0x1b0ee249, 0x2dfc72ba, + 0x180f0208, 0x2efd92fb, 0x75ea23ee, 0x4318b31d, 0xc3c541c4, + 0xf537d137, 0xae206022, 0x98d2f0d1, 0x74ea83d1, 0x42181322, + 0x190fa237, 0x2ffd32c4, 0xaf20c01d, 0x99d250ee, 0xc2c5e1fb, + 0xf4377108}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0xf390f23600000000, 0xe621e56d00000000, + 0x15b1175b00000000, 0xcc43cadb00000000, 0x3fd338ed00000000, + 0x2a622fb600000000, 0xd9f2dd8000000000, 0xd981e56c00000000, + 0x2a11175a00000000, 0x3fa0000100000000, 0xcc30f23700000000, + 0x15c22fb700000000, 0xe652dd8100000000, 0xf3e3cada00000000, + 0x007338ec00000000, 0xb203cbd900000000, 0x419339ef00000000, + 0x54222eb400000000, 0xa7b2dc8200000000, 0x7e40010200000000, + 0x8dd0f33400000000, 0x9861e46f00000000, 0x6bf1165900000000, + 0x6b822eb500000000, 0x9812dc8300000000, 0x8da3cbd800000000, + 0x7e3339ee00000000, 0xa7c1e46e00000000, 0x5451165800000000, + 0x41e0010300000000, 0xb270f33500000000, 0x2501e76800000000, + 0xd691155e00000000, 0xc320020500000000, 0x30b0f03300000000, + 0xe9422db300000000, 0x1ad2df8500000000, 0x0f63c8de00000000, + 0xfcf33ae800000000, 0xfc80020400000000, 0x0f10f03200000000, + 0x1aa1e76900000000, 0xe931155f00000000, 0x30c3c8df00000000, + 0xc3533ae900000000, 0xd6e22db200000000, 0x2572df8400000000, + 0x97022cb100000000, 0x6492de8700000000, 0x7123c9dc00000000, + 0x82b33bea00000000, 0x5b41e66a00000000, 0xa8d1145c00000000, + 0xbd60030700000000, 0x4ef0f13100000000, 0x4e83c9dd00000000, + 0xbd133beb00000000, 0xa8a22cb000000000, 0x5b32de8600000000, + 0x82c0030600000000, 0x7150f13000000000, 0x64e1e66b00000000, + 0x9771145d00000000, 0x4a02ced100000000, 0xb9923ce700000000, + 0xac232bbc00000000, 0x5fb3d98a00000000, 0x8641040a00000000, + 0x75d1f63c00000000, 0x6060e16700000000, 0x93f0135100000000, + 0x93832bbd00000000, 0x6013d98b00000000, 0x75a2ced000000000, + 0x86323ce600000000, 0x5fc0e16600000000, 0xac50135000000000, + 0xb9e1040b00000000, 0x4a71f63d00000000, 0xf801050800000000, + 0x0b91f73e00000000, 0x1e20e06500000000, 0xedb0125300000000, + 0x3442cfd300000000, 0xc7d23de500000000, 0xd2632abe00000000, + 0x21f3d88800000000, 0x2180e06400000000, 0xd210125200000000, + 0xc7a1050900000000, 0x3431f73f00000000, 0xedc32abf00000000, + 0x1e53d88900000000, 0x0be2cfd200000000, 0xf8723de400000000, + 0x6f0329b900000000, 0x9c93db8f00000000, 0x8922ccd400000000, + 0x7ab23ee200000000, 0xa340e36200000000, 0x50d0115400000000, + 0x4561060f00000000, 0xb6f1f43900000000, 0xb682ccd500000000, + 0x45123ee300000000, 0x50a329b800000000, 0xa333db8e00000000, + 0x7ac1060e00000000, 0x8951f43800000000, 0x9ce0e36300000000, + 0x6f70115500000000, 0xdd00e26000000000, 0x2e90105600000000, + 0x3b21070d00000000, 0xc8b1f53b00000000, 0x114328bb00000000, + 0xe2d3da8d00000000, 0xf762cdd600000000, 0x04f23fe000000000, + 0x0481070c00000000, 0xf711f53a00000000, 0xe2a0e26100000000, + 0x1130105700000000, 0xc8c2cdd700000000, 0x3b523fe100000000, + 0x2ee328ba00000000, 0xdd73da8c00000000, 0xd502ed7800000000, + 0x26921f4e00000000, 0x3323081500000000, 0xc0b3fa2300000000, + 0x194127a300000000, 0xead1d59500000000, 0xff60c2ce00000000, + 0x0cf030f800000000, 0x0c83081400000000, 0xff13fa2200000000, + 0xeaa2ed7900000000, 0x19321f4f00000000, 0xc0c0c2cf00000000, + 0x335030f900000000, 0x26e127a200000000, 0xd571d59400000000, + 0x670126a100000000, 0x9491d49700000000, 0x8120c3cc00000000, + 0x72b031fa00000000, 0xab42ec7a00000000, 0x58d21e4c00000000, + 0x4d63091700000000, 0xbef3fb2100000000, 0xbe80c3cd00000000, + 0x4d1031fb00000000, 0x58a126a000000000, 0xab31d49600000000, + 0x72c3091600000000, 0x8153fb2000000000, 0x94e2ec7b00000000, + 0x67721e4d00000000, 0xf0030a1000000000, 0x0393f82600000000, + 0x1622ef7d00000000, 0xe5b21d4b00000000, 0x3c40c0cb00000000, + 0xcfd032fd00000000, 0xda6125a600000000, 0x29f1d79000000000, + 0x2982ef7c00000000, 0xda121d4a00000000, 0xcfa30a1100000000, + 0x3c33f82700000000, 0xe5c125a700000000, 0x1651d79100000000, + 0x03e0c0ca00000000, 0xf07032fc00000000, 0x4200c1c900000000, + 0xb19033ff00000000, 0xa42124a400000000, 0x57b1d69200000000, + 0x8e430b1200000000, 0x7dd3f92400000000, 0x6862ee7f00000000, + 0x9bf21c4900000000, 0x9b8124a500000000, 0x6811d69300000000, + 0x7da0c1c800000000, 0x8e3033fe00000000, 0x57c2ee7e00000000, + 0xa4521c4800000000, 0xb1e30b1300000000, 0x4273f92500000000, + 0x9f0023a900000000, 0x6c90d19f00000000, 0x7921c6c400000000, + 0x8ab134f200000000, 0x5343e97200000000, 0xa0d31b4400000000, + 0xb5620c1f00000000, 0x46f2fe2900000000, 0x4681c6c500000000, + 0xb51134f300000000, 0xa0a023a800000000, 0x5330d19e00000000, + 0x8ac20c1e00000000, 0x7952fe2800000000, 0x6ce3e97300000000, + 0x9f731b4500000000, 0x2d03e87000000000, 0xde931a4600000000, + 0xcb220d1d00000000, 0x38b2ff2b00000000, 0xe14022ab00000000, + 0x12d0d09d00000000, 0x0761c7c600000000, 0xf4f135f000000000, + 0xf4820d1c00000000, 0x0712ff2a00000000, 0x12a3e87100000000, + 0xe1331a4700000000, 0x38c1c7c700000000, 0xcb5135f100000000, + 0xdee022aa00000000, 0x2d70d09c00000000, 0xba01c4c100000000, + 0x499136f700000000, 0x5c2021ac00000000, 0xafb0d39a00000000, + 0x76420e1a00000000, 0x85d2fc2c00000000, 0x9063eb7700000000, + 0x63f3194100000000, 0x638021ad00000000, 0x9010d39b00000000, + 0x85a1c4c000000000, 0x763136f600000000, 0xafc3eb7600000000, + 0x5c53194000000000, 0x49e20e1b00000000, 0xba72fc2d00000000, + 0x08020f1800000000, 0xfb92fd2e00000000, 0xee23ea7500000000, + 0x1db3184300000000, 0xc441c5c300000000, 0x37d137f500000000, + 0x226020ae00000000, 0xd1f0d29800000000, 0xd183ea7400000000, + 0x2213184200000000, 0x37a20f1900000000, 0xc432fd2f00000000, + 0x1dc020af00000000, 0xee50d29900000000, 0xfbe1c5c200000000, + 0x087137f400000000}, + {0x0000000000000000, 0x3651822400000000, 0x6ca2044900000000, + 0x5af3866d00000000, 0xd844099200000000, 0xee158bb600000000, + 0xb4e60ddb00000000, 0x82b78fff00000000, 0xf18f63ff00000000, + 0xc7dee1db00000000, 0x9d2d67b600000000, 0xab7ce59200000000, + 0x29cb6a6d00000000, 0x1f9ae84900000000, 0x45696e2400000000, + 0x7338ec0000000000, 0xa319b62500000000, 0x9548340100000000, + 0xcfbbb26c00000000, 0xf9ea304800000000, 0x7b5dbfb700000000, + 0x4d0c3d9300000000, 0x17ffbbfe00000000, 0x21ae39da00000000, + 0x5296d5da00000000, 0x64c757fe00000000, 0x3e34d19300000000, + 0x086553b700000000, 0x8ad2dc4800000000, 0xbc835e6c00000000, + 0xe670d80100000000, 0xd0215a2500000000, 0x46336c4b00000000, + 0x7062ee6f00000000, 0x2a91680200000000, 0x1cc0ea2600000000, + 0x9e7765d900000000, 0xa826e7fd00000000, 0xf2d5619000000000, + 0xc484e3b400000000, 0xb7bc0fb400000000, 0x81ed8d9000000000, + 0xdb1e0bfd00000000, 0xed4f89d900000000, 0x6ff8062600000000, + 0x59a9840200000000, 0x035a026f00000000, 0x350b804b00000000, + 0xe52ada6e00000000, 0xd37b584a00000000, 0x8988de2700000000, + 0xbfd95c0300000000, 0x3d6ed3fc00000000, 0x0b3f51d800000000, + 0x51ccd7b500000000, 0x679d559100000000, 0x14a5b99100000000, + 0x22f43bb500000000, 0x7807bdd800000000, 0x4e563ffc00000000, + 0xcce1b00300000000, 0xfab0322700000000, 0xa043b44a00000000, + 0x9612366e00000000, 0x8c66d89600000000, 0xba375ab200000000, + 0xe0c4dcdf00000000, 0xd6955efb00000000, 0x5422d10400000000, + 0x6273532000000000, 0x3880d54d00000000, 0x0ed1576900000000, + 0x7de9bb6900000000, 0x4bb8394d00000000, 0x114bbf2000000000, + 0x271a3d0400000000, 0xa5adb2fb00000000, 0x93fc30df00000000, + 0xc90fb6b200000000, 0xff5e349600000000, 0x2f7f6eb300000000, + 0x192eec9700000000, 0x43dd6afa00000000, 0x758ce8de00000000, + 0xf73b672100000000, 0xc16ae50500000000, 0x9b99636800000000, + 0xadc8e14c00000000, 0xdef00d4c00000000, 0xe8a18f6800000000, + 0xb252090500000000, 0x84038b2100000000, 0x06b404de00000000, + 0x30e586fa00000000, 0x6a16009700000000, 0x5c4782b300000000, + 0xca55b4dd00000000, 0xfc0436f900000000, 0xa6f7b09400000000, + 0x90a632b000000000, 0x1211bd4f00000000, 0x24403f6b00000000, + 0x7eb3b90600000000, 0x48e23b2200000000, 0x3bdad72200000000, + 0x0d8b550600000000, 0x5778d36b00000000, 0x6129514f00000000, + 0xe39edeb000000000, 0xd5cf5c9400000000, 0x8f3cdaf900000000, + 0xb96d58dd00000000, 0x694c02f800000000, 0x5f1d80dc00000000, + 0x05ee06b100000000, 0x33bf849500000000, 0xb1080b6a00000000, + 0x8759894e00000000, 0xddaa0f2300000000, 0xebfb8d0700000000, + 0x98c3610700000000, 0xae92e32300000000, 0xf461654e00000000, + 0xc230e76a00000000, 0x4087689500000000, 0x76d6eab100000000, + 0x2c256cdc00000000, 0x1a74eef800000000, 0x59cbc1f600000000, + 0x6f9a43d200000000, 0x3569c5bf00000000, 0x0338479b00000000, + 0x818fc86400000000, 0xb7de4a4000000000, 0xed2dcc2d00000000, + 0xdb7c4e0900000000, 0xa844a20900000000, 0x9e15202d00000000, + 0xc4e6a64000000000, 0xf2b7246400000000, 0x7000ab9b00000000, + 0x465129bf00000000, 0x1ca2afd200000000, 0x2af32df600000000, + 0xfad277d300000000, 0xcc83f5f700000000, 0x9670739a00000000, + 0xa021f1be00000000, 0x22967e4100000000, 0x14c7fc6500000000, + 0x4e347a0800000000, 0x7865f82c00000000, 0x0b5d142c00000000, + 0x3d0c960800000000, 0x67ff106500000000, 0x51ae924100000000, + 0xd3191dbe00000000, 0xe5489f9a00000000, 0xbfbb19f700000000, + 0x89ea9bd300000000, 0x1ff8adbd00000000, 0x29a92f9900000000, + 0x735aa9f400000000, 0x450b2bd000000000, 0xc7bca42f00000000, + 0xf1ed260b00000000, 0xab1ea06600000000, 0x9d4f224200000000, + 0xee77ce4200000000, 0xd8264c6600000000, 0x82d5ca0b00000000, + 0xb484482f00000000, 0x3633c7d000000000, 0x006245f400000000, + 0x5a91c39900000000, 0x6cc041bd00000000, 0xbce11b9800000000, + 0x8ab099bc00000000, 0xd0431fd100000000, 0xe6129df500000000, + 0x64a5120a00000000, 0x52f4902e00000000, 0x0807164300000000, + 0x3e56946700000000, 0x4d6e786700000000, 0x7b3ffa4300000000, + 0x21cc7c2e00000000, 0x179dfe0a00000000, 0x952a71f500000000, + 0xa37bf3d100000000, 0xf98875bc00000000, 0xcfd9f79800000000, + 0xd5ad196000000000, 0xe3fc9b4400000000, 0xb90f1d2900000000, + 0x8f5e9f0d00000000, 0x0de910f200000000, 0x3bb892d600000000, + 0x614b14bb00000000, 0x571a969f00000000, 0x24227a9f00000000, + 0x1273f8bb00000000, 0x48807ed600000000, 0x7ed1fcf200000000, + 0xfc66730d00000000, 0xca37f12900000000, 0x90c4774400000000, + 0xa695f56000000000, 0x76b4af4500000000, 0x40e52d6100000000, + 0x1a16ab0c00000000, 0x2c47292800000000, 0xaef0a6d700000000, + 0x98a124f300000000, 0xc252a29e00000000, 0xf40320ba00000000, + 0x873bccba00000000, 0xb16a4e9e00000000, 0xeb99c8f300000000, + 0xddc84ad700000000, 0x5f7fc52800000000, 0x692e470c00000000, + 0x33ddc16100000000, 0x058c434500000000, 0x939e752b00000000, + 0xa5cff70f00000000, 0xff3c716200000000, 0xc96df34600000000, + 0x4bda7cb900000000, 0x7d8bfe9d00000000, 0x277878f000000000, + 0x1129fad400000000, 0x621116d400000000, 0x544094f000000000, + 0x0eb3129d00000000, 0x38e290b900000000, 0xba551f4600000000, + 0x8c049d6200000000, 0xd6f71b0f00000000, 0xe0a6992b00000000, + 0x3087c30e00000000, 0x06d6412a00000000, 0x5c25c74700000000, + 0x6a74456300000000, 0xe8c3ca9c00000000, 0xde9248b800000000, + 0x8461ced500000000, 0xb2304cf100000000, 0xc108a0f100000000, + 0xf75922d500000000, 0xadaaa4b800000000, 0x9bfb269c00000000, + 0x194ca96300000000, 0x2f1d2b4700000000, 0x75eead2a00000000, + 0x43bf2f0e00000000}, + {0x0000000000000000, 0xc8179ecf00000000, 0xd1294d4400000000, + 0x193ed38b00000000, 0xa2539a8800000000, 0x6a44044700000000, + 0x737ad7cc00000000, 0xbb6d490300000000, 0x05a145ca00000000, + 0xcdb6db0500000000, 0xd488088e00000000, 0x1c9f964100000000, + 0xa7f2df4200000000, 0x6fe5418d00000000, 0x76db920600000000, + 0xbecc0cc900000000, 0x4b44fa4f00000000, 0x8353648000000000, + 0x9a6db70b00000000, 0x527a29c400000000, 0xe91760c700000000, + 0x2100fe0800000000, 0x383e2d8300000000, 0xf029b34c00000000, + 0x4ee5bf8500000000, 0x86f2214a00000000, 0x9fccf2c100000000, + 0x57db6c0e00000000, 0xecb6250d00000000, 0x24a1bbc200000000, + 0x3d9f684900000000, 0xf588f68600000000, 0x9688f49f00000000, + 0x5e9f6a5000000000, 0x47a1b9db00000000, 0x8fb6271400000000, + 0x34db6e1700000000, 0xfcccf0d800000000, 0xe5f2235300000000, + 0x2de5bd9c00000000, 0x9329b15500000000, 0x5b3e2f9a00000000, + 0x4200fc1100000000, 0x8a1762de00000000, 0x317a2bdd00000000, + 0xf96db51200000000, 0xe053669900000000, 0x2844f85600000000, + 0xddcc0ed000000000, 0x15db901f00000000, 0x0ce5439400000000, + 0xc4f2dd5b00000000, 0x7f9f945800000000, 0xb7880a9700000000, + 0xaeb6d91c00000000, 0x66a147d300000000, 0xd86d4b1a00000000, + 0x107ad5d500000000, 0x0944065e00000000, 0xc153989100000000, + 0x7a3ed19200000000, 0xb2294f5d00000000, 0xab179cd600000000, + 0x6300021900000000, 0x6d1798e400000000, 0xa500062b00000000, + 0xbc3ed5a000000000, 0x74294b6f00000000, 0xcf44026c00000000, + 0x07539ca300000000, 0x1e6d4f2800000000, 0xd67ad1e700000000, + 0x68b6dd2e00000000, 0xa0a143e100000000, 0xb99f906a00000000, + 0x71880ea500000000, 0xcae547a600000000, 0x02f2d96900000000, + 0x1bcc0ae200000000, 0xd3db942d00000000, 0x265362ab00000000, + 0xee44fc6400000000, 0xf77a2fef00000000, 0x3f6db12000000000, + 0x8400f82300000000, 0x4c1766ec00000000, 0x5529b56700000000, + 0x9d3e2ba800000000, 0x23f2276100000000, 0xebe5b9ae00000000, + 0xf2db6a2500000000, 0x3accf4ea00000000, 0x81a1bde900000000, + 0x49b6232600000000, 0x5088f0ad00000000, 0x989f6e6200000000, + 0xfb9f6c7b00000000, 0x3388f2b400000000, 0x2ab6213f00000000, + 0xe2a1bff000000000, 0x59ccf6f300000000, 0x91db683c00000000, + 0x88e5bbb700000000, 0x40f2257800000000, 0xfe3e29b100000000, + 0x3629b77e00000000, 0x2f1764f500000000, 0xe700fa3a00000000, + 0x5c6db33900000000, 0x947a2df600000000, 0x8d44fe7d00000000, + 0x455360b200000000, 0xb0db963400000000, 0x78cc08fb00000000, + 0x61f2db7000000000, 0xa9e545bf00000000, 0x12880cbc00000000, + 0xda9f927300000000, 0xc3a141f800000000, 0x0bb6df3700000000, + 0xb57ad3fe00000000, 0x7d6d4d3100000000, 0x64539eba00000000, + 0xac44007500000000, 0x1729497600000000, 0xdf3ed7b900000000, + 0xc600043200000000, 0x0e179afd00000000, 0x9b28411200000000, + 0x533fdfdd00000000, 0x4a010c5600000000, 0x8216929900000000, + 0x397bdb9a00000000, 0xf16c455500000000, 0xe85296de00000000, + 0x2045081100000000, 0x9e8904d800000000, 0x569e9a1700000000, + 0x4fa0499c00000000, 0x87b7d75300000000, 0x3cda9e5000000000, + 0xf4cd009f00000000, 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0xc31aa59c00000000, 0x21e72d1100000000, + 0xf613a60500000000, 0x14ee2e8800000000, 0x73eec6c500000000, + 0x91134e4800000000, 0xbdee165e00000000, 0x5f139ed300000000, + 0x3813769e00000000, 0xdaeefe1300000000, 0x60e9c7b200000000, + 0x82144f3f00000000, 0xe514a77200000000, 0x07e92fff00000000, + 0x2b1477e900000000, 0xc9e9ff6400000000, 0xaee9172900000000, + 0x4c149fa400000000, 0x77c758bb00000000, 0x953ad03600000000, + 0xf23a387b00000000, 0x10c7b0f600000000, 0x3c3ae8e000000000, + 0xdec7606d00000000, 0xb9c7882000000000, 0x5b3a00ad00000000, + 0xe13d390c00000000, 0x03c0b18100000000, 0x64c059cc00000000, + 0x863dd14100000000, 0xaac0895700000000, 0x483d01da00000000, + 0x2f3de99700000000, 0xcdc0611a00000000, 0x1a34ea0e00000000, + 0xf8c9628300000000, 0x9fc98ace00000000, 0x7d34024300000000, + 0x51c95a5500000000, 0xb334d2d800000000, 0xd4343a9500000000, + 0x36c9b21800000000, 0x8cce8bb900000000, 0x6e33033400000000, + 0x0933eb7900000000, 0xebce63f400000000, 0xc7333be200000000, + 0x25ceb36f00000000, 0x42ce5b2200000000, 0xa033d3af00000000, + 0xec274c0b00000000, 0x0edac48600000000, 0x69da2ccb00000000, + 0x8b27a44600000000, 0xa7dafc5000000000, 0x452774dd00000000, + 0x22279c9000000000, 0xc0da141d00000000, 0x7add2dbc00000000, + 0x9820a53100000000, 0xff204d7c00000000, 0x1dddc5f100000000, + 0x31209de700000000, 0xd3dd156a00000000, 0xb4ddfd2700000000, + 0x562075aa00000000, 0x81d4febe00000000, 0x6329763300000000, + 0x04299e7e00000000, 0xe6d416f300000000, 0xca294ee500000000, + 0x28d4c66800000000, 0x4fd42e2500000000, 0xad29a6a800000000, + 0x172e9f0900000000, 0xf5d3178400000000, 0x92d3ffc900000000, + 0x702e774400000000, 0x5cd32f5200000000, 0xbe2ea7df00000000, + 0xd92e4f9200000000, 0x3bd3c71f00000000, 0xaf88c0ad00000000, + 0x4d75482000000000, 0x2a75a06d00000000, 0xc88828e000000000, + 0xe47570f600000000, 0x0688f87b00000000, 0x6188103600000000, + 0x837598bb00000000, 0x3972a11a00000000, 0xdb8f299700000000, + 0xbc8fc1da00000000, 0x5e72495700000000, 0x728f114100000000, + 0x907299cc00000000, 0xf772718100000000, 0x158ff90c00000000, + 0xc27b721800000000, 0x2086fa9500000000, 0x478612d800000000, + 0xa57b9a5500000000, 0x8986c24300000000, 0x6b7b4ace00000000, + 0x0c7ba28300000000, 0xee862a0e00000000, 0x548113af00000000, + 0xb67c9b2200000000, 0xd17c736f00000000, 0x3381fbe200000000, + 0x1f7ca3f400000000, 0xfd812b7900000000, 0x9a81c33400000000, + 0x787c4bb900000000, 0x3468d41d00000000, 0xd6955c9000000000, + 0xb195b4dd00000000, 0x53683c5000000000, 0x7f95644600000000, + 0x9d68eccb00000000, 0xfa68048600000000, 0x18958c0b00000000, + 0xa292b5aa00000000, 0x406f3d2700000000, 0x276fd56a00000000, + 0xc5925de700000000, 0xe96f05f100000000, 0x0b928d7c00000000, + 0x6c92653100000000, 0x8e6fedbc00000000, 0x599b66a800000000, + 0xbb66ee2500000000, 0xdc66066800000000, 0x3e9b8ee500000000, + 0x1266d6f300000000, 0xf09b5e7e00000000, 0x979bb63300000000, + 0x75663ebe00000000, 0xcf61071f00000000, 0x2d9c8f9200000000, + 0x4a9c67df00000000, 0xa861ef5200000000, 0x849cb74400000000, + 0x66613fc900000000, 0x0161d78400000000, 0xe39c5f0900000000, + 0xd84f981600000000, 0x3ab2109b00000000, 0x5db2f8d600000000, + 0xbf4f705b00000000, 0x93b2284d00000000, 0x714fa0c000000000, + 0x164f488d00000000, 0xf4b2c00000000000, 0x4eb5f9a100000000, + 0xac48712c00000000, 0xcb48996100000000, 0x29b511ec00000000, + 0x054849fa00000000, 0xe7b5c17700000000, 0x80b5293a00000000, + 0x6248a1b700000000, 0xb5bc2aa300000000, 0x5741a22e00000000, + 0x30414a6300000000, 0xd2bcc2ee00000000, 0xfe419af800000000, + 0x1cbc127500000000, 0x7bbcfa3800000000, 0x994172b500000000, + 0x23464b1400000000, 0xc1bbc39900000000, 0xa6bb2bd400000000, + 0x4446a35900000000, 0x68bbfb4f00000000, 0x8a4673c200000000, + 0xed469b8f00000000, 0x0fbb130200000000, 0x43af8ca600000000, + 0xa152042b00000000, 0xc652ec6600000000, 0x24af64eb00000000, + 0x08523cfd00000000, 0xeaafb47000000000, 0x8daf5c3d00000000, + 0x6f52d4b000000000, 0xd555ed1100000000, 0x37a8659c00000000, + 0x50a88dd100000000, 0xb255055c00000000, 0x9ea85d4a00000000, + 0x7c55d5c700000000, 0x1b553d8a00000000, 0xf9a8b50700000000, + 0x2e5c3e1300000000, 0xcca1b69e00000000, 0xaba15ed300000000, + 0x495cd65e00000000, 0x65a18e4800000000, 0x875c06c500000000, + 0xe05cee8800000000, 0x02a1660500000000, 0xb8a65fa400000000, + 0x5a5bd72900000000, 0x3d5b3f6400000000, 0xdfa6b7e900000000, + 0xf35befff00000000, 0x11a6677200000000, 0x76a68f3f00000000, + 0x945b07b200000000}, + {0x0000000000000000, 0xa90b894e00000000, 0x5217129d00000000, + 0xfb1c9bd300000000, 0xe52855e100000000, 0x4c23dcaf00000000, + 0xb73f477c00000000, 0x1e34ce3200000000, 0x8b57db1900000000, + 0x225c525700000000, 0xd940c98400000000, 0x704b40ca00000000, + 0x6e7f8ef800000000, 0xc77407b600000000, 0x3c689c6500000000, + 0x9563152b00000000, 0x16afb63300000000, 0xbfa43f7d00000000, + 0x44b8a4ae00000000, 0xedb32de000000000, 0xf387e3d200000000, + 0x5a8c6a9c00000000, 0xa190f14f00000000, 0x089b780100000000, + 0x9df86d2a00000000, 0x34f3e46400000000, 0xcfef7fb700000000, + 0x66e4f6f900000000, 0x78d038cb00000000, 0xd1dbb18500000000, + 0x2ac72a5600000000, 0x83cca31800000000, 0x2c5e6d6700000000, + 0x8555e42900000000, 0x7e497ffa00000000, 0xd742f6b400000000, + 0xc976388600000000, 0x607db1c800000000, 0x9b612a1b00000000, + 0x326aa35500000000, 0xa709b67e00000000, 0x0e023f3000000000, + 0xf51ea4e300000000, 0x5c152dad00000000, 0x4221e39f00000000, + 0xeb2a6ad100000000, 0x1036f10200000000, 0xb93d784c00000000, + 0x3af1db5400000000, 0x93fa521a00000000, 0x68e6c9c900000000, + 0xc1ed408700000000, 0xdfd98eb500000000, 0x76d207fb00000000, + 0x8dce9c2800000000, 0x24c5156600000000, 0xb1a6004d00000000, + 0x18ad890300000000, 0xe3b112d000000000, 0x4aba9b9e00000000, + 0x548e55ac00000000, 0xfd85dce200000000, 0x0699473100000000, + 0xaf92ce7f00000000, 0x58bcdace00000000, 0xf1b7538000000000, + 0x0aabc85300000000, 0xa3a0411d00000000, 0xbd948f2f00000000, + 0x149f066100000000, 0xef839db200000000, 0x468814fc00000000, + 0xd3eb01d700000000, 0x7ae0889900000000, 0x81fc134a00000000, + 0x28f79a0400000000, 0x36c3543600000000, 0x9fc8dd7800000000, + 0x64d446ab00000000, 0xcddfcfe500000000, 0x4e136cfd00000000, + 0xe718e5b300000000, 0x1c047e6000000000, 0xb50ff72e00000000, + 0xab3b391c00000000, 0x0230b05200000000, 0xf92c2b8100000000, + 0x5027a2cf00000000, 0xc544b7e400000000, 0x6c4f3eaa00000000, + 0x9753a57900000000, 0x3e582c3700000000, 0x206ce20500000000, + 0x89676b4b00000000, 0x727bf09800000000, 0xdb7079d600000000, + 0x74e2b7a900000000, 0xdde93ee700000000, 0x26f5a53400000000, + 0x8ffe2c7a00000000, 0x91cae24800000000, 0x38c16b0600000000, + 0xc3ddf0d500000000, 0x6ad6799b00000000, 0xffb56cb000000000, + 0x56bee5fe00000000, 0xada27e2d00000000, 0x04a9f76300000000, + 0x1a9d395100000000, 0xb396b01f00000000, 0x488a2bcc00000000, + 0xe181a28200000000, 0x624d019a00000000, 0xcb4688d400000000, + 0x305a130700000000, 0x99519a4900000000, 0x8765547b00000000, + 0x2e6edd3500000000, 0xd57246e600000000, 0x7c79cfa800000000, + 0xe91ada8300000000, 0x401153cd00000000, 0xbb0dc81e00000000, + 0x1206415000000000, 0x0c328f6200000000, 0xa539062c00000000, + 0x5e259dff00000000, 0xf72e14b100000000, 0xf17ec44600000000, + 0x58754d0800000000, 0xa369d6db00000000, 0x0a625f9500000000, + 0x145691a700000000, 0xbd5d18e900000000, 0x4641833a00000000, + 0xef4a0a7400000000, 0x7a291f5f00000000, 0xd322961100000000, + 0x283e0dc200000000, 0x8135848c00000000, 0x9f014abe00000000, + 0x360ac3f000000000, 0xcd16582300000000, 0x641dd16d00000000, + 0xe7d1727500000000, 0x4edafb3b00000000, 0xb5c660e800000000, + 0x1ccde9a600000000, 0x02f9279400000000, 0xabf2aeda00000000, + 0x50ee350900000000, 0xf9e5bc4700000000, 0x6c86a96c00000000, + 0xc58d202200000000, 0x3e91bbf100000000, 0x979a32bf00000000, + 0x89aefc8d00000000, 0x20a575c300000000, 0xdbb9ee1000000000, + 0x72b2675e00000000, 0xdd20a92100000000, 0x742b206f00000000, + 0x8f37bbbc00000000, 0x263c32f200000000, 0x3808fcc000000000, + 0x9103758e00000000, 0x6a1fee5d00000000, 0xc314671300000000, + 0x5677723800000000, 0xff7cfb7600000000, 0x046060a500000000, + 0xad6be9eb00000000, 0xb35f27d900000000, 0x1a54ae9700000000, + 0xe148354400000000, 0x4843bc0a00000000, 0xcb8f1f1200000000, + 0x6284965c00000000, 0x99980d8f00000000, 0x309384c100000000, + 0x2ea74af300000000, 0x87acc3bd00000000, 0x7cb0586e00000000, + 0xd5bbd12000000000, 0x40d8c40b00000000, 0xe9d34d4500000000, + 0x12cfd69600000000, 0xbbc45fd800000000, 0xa5f091ea00000000, + 0x0cfb18a400000000, 0xf7e7837700000000, 0x5eec0a3900000000, + 0xa9c21e8800000000, 0x00c997c600000000, 0xfbd50c1500000000, + 0x52de855b00000000, 0x4cea4b6900000000, 0xe5e1c22700000000, + 0x1efd59f400000000, 0xb7f6d0ba00000000, 0x2295c59100000000, + 0x8b9e4cdf00000000, 0x7082d70c00000000, 0xd9895e4200000000, + 0xc7bd907000000000, 0x6eb6193e00000000, 0x95aa82ed00000000, + 0x3ca10ba300000000, 0xbf6da8bb00000000, 0x166621f500000000, + 0xed7aba2600000000, 0x4471336800000000, 0x5a45fd5a00000000, + 0xf34e741400000000, 0x0852efc700000000, 0xa159668900000000, + 0x343a73a200000000, 0x9d31faec00000000, 0x662d613f00000000, + 0xcf26e87100000000, 0xd112264300000000, 0x7819af0d00000000, + 0x830534de00000000, 0x2a0ebd9000000000, 0x859c73ef00000000, + 0x2c97faa100000000, 0xd78b617200000000, 0x7e80e83c00000000, + 0x60b4260e00000000, 0xc9bfaf4000000000, 0x32a3349300000000, + 0x9ba8bddd00000000, 0x0ecba8f600000000, 0xa7c021b800000000, + 0x5cdcba6b00000000, 0xf5d7332500000000, 0xebe3fd1700000000, + 0x42e8745900000000, 0xb9f4ef8a00000000, 0x10ff66c400000000, + 0x9333c5dc00000000, 0x3a384c9200000000, 0xc124d74100000000, + 0x682f5e0f00000000, 0x761b903d00000000, 0xdf10197300000000, + 0x240c82a000000000, 0x8d070bee00000000, 0x18641ec500000000, + 0xb16f978b00000000, 0x4a730c5800000000, 0xe378851600000000, + 0xfd4c4b2400000000, 0x5447c26a00000000, 0xaf5b59b900000000, + 0x0650d0f700000000}, + {0x0000000000000000, 0x479244af00000000, 0xcf22f88500000000, + 0x88b0bc2a00000000, 0xdf4381d000000000, 0x98d1c57f00000000, + 0x1061795500000000, 0x57f33dfa00000000, 0xff81737a00000000, + 0xb81337d500000000, 0x30a38bff00000000, 0x7731cf5000000000, + 0x20c2f2aa00000000, 0x6750b60500000000, 0xefe00a2f00000000, + 0xa8724e8000000000, 0xfe03e7f400000000, 0xb991a35b00000000, + 0x31211f7100000000, 0x76b35bde00000000, 0x2140662400000000, + 0x66d2228b00000000, 0xee629ea100000000, 0xa9f0da0e00000000, + 0x0182948e00000000, 0x4610d02100000000, 0xcea06c0b00000000, + 0x893228a400000000, 0xdec1155e00000000, 0x995351f100000000, + 0x11e3eddb00000000, 0x5671a97400000000, 0xbd01bf3200000000, + 0xfa93fb9d00000000, 0x722347b700000000, 0x35b1031800000000, + 0x62423ee200000000, 0x25d07a4d00000000, 0xad60c66700000000, + 0xeaf282c800000000, 0x4280cc4800000000, 0x051288e700000000, + 0x8da234cd00000000, 0xca30706200000000, 0x9dc34d9800000000, + 0xda51093700000000, 0x52e1b51d00000000, 0x1573f1b200000000, + 0x430258c600000000, 0x04901c6900000000, 0x8c20a04300000000, + 0xcbb2e4ec00000000, 0x9c41d91600000000, 0xdbd39db900000000, + 0x5363219300000000, 0x14f1653c00000000, 0xbc832bbc00000000, + 0xfb116f1300000000, 0x73a1d33900000000, 0x3433979600000000, + 0x63c0aa6c00000000, 0x2452eec300000000, 0xace252e900000000, + 0xeb70164600000000, 0x7a037e6500000000, 0x3d913aca00000000, + 0xb52186e000000000, 0xf2b3c24f00000000, 0xa540ffb500000000, + 0xe2d2bb1a00000000, 0x6a62073000000000, 0x2df0439f00000000, + 0x85820d1f00000000, 0xc21049b000000000, 0x4aa0f59a00000000, + 0x0d32b13500000000, 0x5ac18ccf00000000, 0x1d53c86000000000, + 0x95e3744a00000000, 0xd27130e500000000, 0x8400999100000000, + 0xc392dd3e00000000, 0x4b22611400000000, 0x0cb025bb00000000, + 0x5b43184100000000, 0x1cd15cee00000000, 0x9461e0c400000000, + 0xd3f3a46b00000000, 0x7b81eaeb00000000, 0x3c13ae4400000000, + 0xb4a3126e00000000, 0xf33156c100000000, 0xa4c26b3b00000000, + 0xe3502f9400000000, 0x6be093be00000000, 0x2c72d71100000000, + 0xc702c15700000000, 0x809085f800000000, 0x082039d200000000, + 0x4fb27d7d00000000, 0x1841408700000000, 0x5fd3042800000000, + 0xd763b80200000000, 0x90f1fcad00000000, 0x3883b22d00000000, + 0x7f11f68200000000, 0xf7a14aa800000000, 0xb0330e0700000000, + 0xe7c033fd00000000, 0xa052775200000000, 0x28e2cb7800000000, + 0x6f708fd700000000, 0x390126a300000000, 0x7e93620c00000000, + 0xf623de2600000000, 0xb1b19a8900000000, 0xe642a77300000000, + 0xa1d0e3dc00000000, 0x29605ff600000000, 0x6ef21b5900000000, + 0xc68055d900000000, 0x8112117600000000, 0x09a2ad5c00000000, + 0x4e30e9f300000000, 0x19c3d40900000000, 0x5e5190a600000000, + 0xd6e12c8c00000000, 0x9173682300000000, 0xf406fcca00000000, + 0xb394b86500000000, 0x3b24044f00000000, 0x7cb640e000000000, + 0x2b457d1a00000000, 0x6cd739b500000000, 0xe467859f00000000, + 0xa3f5c13000000000, 0x0b878fb000000000, 0x4c15cb1f00000000, + 0xc4a5773500000000, 0x8337339a00000000, 0xd4c40e6000000000, + 0x93564acf00000000, 0x1be6f6e500000000, 0x5c74b24a00000000, + 0x0a051b3e00000000, 0x4d975f9100000000, 0xc527e3bb00000000, + 0x82b5a71400000000, 0xd5469aee00000000, 0x92d4de4100000000, + 0x1a64626b00000000, 0x5df626c400000000, 0xf584684400000000, + 0xb2162ceb00000000, 0x3aa690c100000000, 0x7d34d46e00000000, + 0x2ac7e99400000000, 0x6d55ad3b00000000, 0xe5e5111100000000, + 0xa27755be00000000, 0x490743f800000000, 0x0e95075700000000, + 0x8625bb7d00000000, 0xc1b7ffd200000000, 0x9644c22800000000, + 0xd1d6868700000000, 0x59663aad00000000, 0x1ef47e0200000000, + 0xb686308200000000, 0xf114742d00000000, 0x79a4c80700000000, + 0x3e368ca800000000, 0x69c5b15200000000, 0x2e57f5fd00000000, + 0xa6e749d700000000, 0xe1750d7800000000, 0xb704a40c00000000, + 0xf096e0a300000000, 0x78265c8900000000, 0x3fb4182600000000, + 0x684725dc00000000, 0x2fd5617300000000, 0xa765dd5900000000, + 0xe0f799f600000000, 0x4885d77600000000, 0x0f1793d900000000, + 0x87a72ff300000000, 0xc0356b5c00000000, 0x97c656a600000000, + 0xd054120900000000, 0x58e4ae2300000000, 0x1f76ea8c00000000, + 0x8e0582af00000000, 0xc997c60000000000, 0x41277a2a00000000, + 0x06b53e8500000000, 0x5146037f00000000, 0x16d447d000000000, + 0x9e64fbfa00000000, 0xd9f6bf5500000000, 0x7184f1d500000000, + 0x3616b57a00000000, 0xbea6095000000000, 0xf9344dff00000000, + 0xaec7700500000000, 0xe95534aa00000000, 0x61e5888000000000, + 0x2677cc2f00000000, 0x7006655b00000000, 0x379421f400000000, + 0xbf249dde00000000, 0xf8b6d97100000000, 0xaf45e48b00000000, + 0xe8d7a02400000000, 0x60671c0e00000000, 0x27f558a100000000, + 0x8f87162100000000, 0xc815528e00000000, 0x40a5eea400000000, + 0x0737aa0b00000000, 0x50c497f100000000, 0x1756d35e00000000, + 0x9fe66f7400000000, 0xd8742bdb00000000, 0x33043d9d00000000, + 0x7496793200000000, 0xfc26c51800000000, 0xbbb481b700000000, + 0xec47bc4d00000000, 0xabd5f8e200000000, 0x236544c800000000, + 0x64f7006700000000, 0xcc854ee700000000, 0x8b170a4800000000, + 0x03a7b66200000000, 0x4435f2cd00000000, 0x13c6cf3700000000, + 0x54548b9800000000, 0xdce437b200000000, 0x9b76731d00000000, + 0xcd07da6900000000, 0x8a959ec600000000, 0x022522ec00000000, + 0x45b7664300000000, 0x12445bb900000000, 0x55d61f1600000000, + 0xdd66a33c00000000, 0x9af4e79300000000, 0x3286a91300000000, + 0x7514edbc00000000, 0xfda4519600000000, 0xba36153900000000, + 0xedc528c300000000, 0xaa576c6c00000000, 0x22e7d04600000000, + 0x657594e900000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x65673b46, 0xcace768c, 0xafa94dca, 0x4eedeb59, + 0x2b8ad01f, 0x84239dd5, 0xe144a693, 0x9ddbd6b2, 0xf8bcedf4, + 0x5715a03e, 0x32729b78, 0xd3363deb, 0xb65106ad, 0x19f84b67, + 0x7c9f7021, 0xe0c6ab25, 0x85a19063, 0x2a08dda9, 0x4f6fe6ef, + 0xae2b407c, 0xcb4c7b3a, 0x64e536f0, 0x01820db6, 0x7d1d7d97, + 0x187a46d1, 0xb7d30b1b, 0xd2b4305d, 0x33f096ce, 0x5697ad88, + 0xf93ee042, 0x9c59db04, 0x1afc500b, 0x7f9b6b4d, 0xd0322687, + 0xb5551dc1, 0x5411bb52, 0x31768014, 0x9edfcdde, 0xfbb8f698, + 0x872786b9, 0xe240bdff, 0x4de9f035, 0x288ecb73, 0xc9ca6de0, + 0xacad56a6, 0x03041b6c, 0x6663202a, 0xfa3afb2e, 0x9f5dc068, + 0x30f48da2, 0x5593b6e4, 0xb4d71077, 0xd1b02b31, 0x7e1966fb, + 0x1b7e5dbd, 0x67e12d9c, 0x028616da, 0xad2f5b10, 0xc8486056, + 0x290cc6c5, 0x4c6bfd83, 0xe3c2b049, 0x86a58b0f, 0x35f8a016, + 0x509f9b50, 0xff36d69a, 0x9a51eddc, 0x7b154b4f, 0x1e727009, + 0xb1db3dc3, 0xd4bc0685, 0xa82376a4, 0xcd444de2, 0x62ed0028, + 0x078a3b6e, 0xe6ce9dfd, 0x83a9a6bb, 0x2c00eb71, 0x4967d037, + 0xd53e0b33, 0xb0593075, 0x1ff07dbf, 0x7a9746f9, 0x9bd3e06a, + 0xfeb4db2c, 0x511d96e6, 0x347aada0, 0x48e5dd81, 0x2d82e6c7, + 0x822bab0d, 0xe74c904b, 0x060836d8, 0x636f0d9e, 0xccc64054, + 0xa9a17b12, 0x2f04f01d, 0x4a63cb5b, 0xe5ca8691, 0x80adbdd7, + 0x61e91b44, 0x048e2002, 0xab276dc8, 0xce40568e, 0xb2df26af, + 0xd7b81de9, 0x78115023, 0x1d766b65, 0xfc32cdf6, 0x9955f6b0, + 0x36fcbb7a, 0x539b803c, 0xcfc25b38, 0xaaa5607e, 0x050c2db4, + 0x606b16f2, 0x812fb061, 0xe4488b27, 0x4be1c6ed, 0x2e86fdab, + 0x52198d8a, 0x377eb6cc, 0x98d7fb06, 0xfdb0c040, 0x1cf466d3, + 0x79935d95, 0xd63a105f, 0xb35d2b19, 0x6bf1402c, 0x0e967b6a, + 0xa13f36a0, 0xc4580de6, 0x251cab75, 0x407b9033, 0xefd2ddf9, + 0x8ab5e6bf, 0xf62a969e, 0x934dadd8, 0x3ce4e012, 0x5983db54, + 0xb8c77dc7, 0xdda04681, 0x72090b4b, 0x176e300d, 0x8b37eb09, + 0xee50d04f, 0x41f99d85, 0x249ea6c3, 0xc5da0050, 0xa0bd3b16, + 0x0f1476dc, 0x6a734d9a, 0x16ec3dbb, 0x738b06fd, 0xdc224b37, + 0xb9457071, 0x5801d6e2, 0x3d66eda4, 0x92cfa06e, 0xf7a89b28, + 0x710d1027, 0x146a2b61, 0xbbc366ab, 0xdea45ded, 0x3fe0fb7e, + 0x5a87c038, 0xf52e8df2, 0x9049b6b4, 0xecd6c695, 0x89b1fdd3, + 0x2618b019, 0x437f8b5f, 0xa23b2dcc, 0xc75c168a, 0x68f55b40, + 0x0d926006, 0x91cbbb02, 0xf4ac8044, 0x5b05cd8e, 0x3e62f6c8, + 0xdf26505b, 0xba416b1d, 0x15e826d7, 0x708f1d91, 0x0c106db0, + 0x697756f6, 0xc6de1b3c, 0xa3b9207a, 0x42fd86e9, 0x279abdaf, + 0x8833f065, 0xed54cb23, 0x5e09e03a, 0x3b6edb7c, 0x94c796b6, + 0xf1a0adf0, 0x10e40b63, 0x75833025, 0xda2a7def, 0xbf4d46a9, + 0xc3d23688, 0xa6b50dce, 0x091c4004, 0x6c7b7b42, 0x8d3fddd1, + 0xe858e697, 0x47f1ab5d, 0x2296901b, 0xbecf4b1f, 0xdba87059, + 0x74013d93, 0x116606d5, 0xf022a046, 0x95459b00, 0x3aecd6ca, + 0x5f8bed8c, 0x23149dad, 0x4673a6eb, 0xe9daeb21, 0x8cbdd067, + 0x6df976f4, 0x089e4db2, 0xa7370078, 0xc2503b3e, 0x44f5b031, + 0x21928b77, 0x8e3bc6bd, 0xeb5cfdfb, 0x0a185b68, 0x6f7f602e, + 0xc0d62de4, 0xa5b116a2, 0xd92e6683, 0xbc495dc5, 0x13e0100f, + 0x76872b49, 0x97c38dda, 0xf2a4b69c, 0x5d0dfb56, 0x386ac010, + 0xa4331b14, 0xc1542052, 0x6efd6d98, 0x0b9a56de, 0xeadef04d, + 0x8fb9cb0b, 0x201086c1, 0x4577bd87, 0x39e8cda6, 0x5c8ff6e0, + 0xf326bb2a, 0x9641806c, 0x770526ff, 0x12621db9, 0xbdcb5073, + 0xd8ac6b35}, + {0x00000000, 0xd7e28058, 0x74b406f1, 0xa35686a9, 0xe9680de2, + 0x3e8a8dba, 0x9ddc0b13, 0x4a3e8b4b, 0x09a11d85, 0xde439ddd, + 0x7d151b74, 0xaaf79b2c, 0xe0c91067, 0x372b903f, 0x947d1696, + 0x439f96ce, 0x13423b0a, 0xc4a0bb52, 0x67f63dfb, 0xb014bda3, + 0xfa2a36e8, 0x2dc8b6b0, 0x8e9e3019, 0x597cb041, 0x1ae3268f, + 0xcd01a6d7, 0x6e57207e, 0xb9b5a026, 0xf38b2b6d, 0x2469ab35, + 0x873f2d9c, 0x50ddadc4, 0x26847614, 0xf166f64c, 0x523070e5, + 0x85d2f0bd, 0xcfec7bf6, 0x180efbae, 0xbb587d07, 0x6cbafd5f, + 0x2f256b91, 0xf8c7ebc9, 0x5b916d60, 0x8c73ed38, 0xc64d6673, + 0x11afe62b, 0xb2f96082, 0x651be0da, 0x35c64d1e, 0xe224cd46, + 0x41724bef, 0x9690cbb7, 0xdcae40fc, 0x0b4cc0a4, 0xa81a460d, + 0x7ff8c655, 0x3c67509b, 0xeb85d0c3, 0x48d3566a, 0x9f31d632, + 0xd50f5d79, 0x02eddd21, 0xa1bb5b88, 0x7659dbd0, 0x4d08ec28, + 0x9aea6c70, 0x39bcead9, 0xee5e6a81, 0xa460e1ca, 0x73826192, + 0xd0d4e73b, 0x07366763, 0x44a9f1ad, 0x934b71f5, 0x301df75c, + 0xe7ff7704, 0xadc1fc4f, 0x7a237c17, 0xd975fabe, 0x0e977ae6, + 0x5e4ad722, 0x89a8577a, 0x2afed1d3, 0xfd1c518b, 0xb722dac0, + 0x60c05a98, 0xc396dc31, 0x14745c69, 0x57ebcaa7, 0x80094aff, + 0x235fcc56, 0xf4bd4c0e, 0xbe83c745, 0x6961471d, 0xca37c1b4, + 0x1dd541ec, 0x6b8c9a3c, 0xbc6e1a64, 0x1f389ccd, 0xc8da1c95, + 0x82e497de, 0x55061786, 0xf650912f, 0x21b21177, 0x622d87b9, + 0xb5cf07e1, 0x16998148, 0xc17b0110, 0x8b458a5b, 0x5ca70a03, + 0xfff18caa, 0x28130cf2, 0x78cea136, 0xaf2c216e, 0x0c7aa7c7, + 0xdb98279f, 0x91a6acd4, 0x46442c8c, 0xe512aa25, 0x32f02a7d, + 0x716fbcb3, 0xa68d3ceb, 0x05dbba42, 0xd2393a1a, 0x9807b151, + 0x4fe53109, 0xecb3b7a0, 0x3b5137f8, 0x9a11d850, 0x4df35808, + 0xeea5dea1, 0x39475ef9, 0x7379d5b2, 0xa49b55ea, 0x07cdd343, + 0xd02f531b, 0x93b0c5d5, 0x4452458d, 0xe704c324, 0x30e6437c, + 0x7ad8c837, 0xad3a486f, 0x0e6ccec6, 0xd98e4e9e, 0x8953e35a, + 0x5eb16302, 0xfde7e5ab, 0x2a0565f3, 0x603beeb8, 0xb7d96ee0, + 0x148fe849, 0xc36d6811, 0x80f2fedf, 0x57107e87, 0xf446f82e, + 0x23a47876, 0x699af33d, 0xbe787365, 0x1d2ef5cc, 0xcacc7594, + 0xbc95ae44, 0x6b772e1c, 0xc821a8b5, 0x1fc328ed, 0x55fda3a6, + 0x821f23fe, 0x2149a557, 0xf6ab250f, 0xb534b3c1, 0x62d63399, + 0xc180b530, 0x16623568, 0x5c5cbe23, 0x8bbe3e7b, 0x28e8b8d2, + 0xff0a388a, 0xafd7954e, 0x78351516, 0xdb6393bf, 0x0c8113e7, + 0x46bf98ac, 0x915d18f4, 0x320b9e5d, 0xe5e91e05, 0xa67688cb, + 0x71940893, 0xd2c28e3a, 0x05200e62, 0x4f1e8529, 0x98fc0571, + 0x3baa83d8, 0xec480380, 0xd7193478, 0x00fbb420, 0xa3ad3289, + 0x744fb2d1, 0x3e71399a, 0xe993b9c2, 0x4ac53f6b, 0x9d27bf33, + 0xdeb829fd, 0x095aa9a5, 0xaa0c2f0c, 0x7deeaf54, 0x37d0241f, + 0xe032a447, 0x436422ee, 0x9486a2b6, 0xc45b0f72, 0x13b98f2a, + 0xb0ef0983, 0x670d89db, 0x2d330290, 0xfad182c8, 0x59870461, + 0x8e658439, 0xcdfa12f7, 0x1a1892af, 0xb94e1406, 0x6eac945e, + 0x24921f15, 0xf3709f4d, 0x502619e4, 0x87c499bc, 0xf19d426c, + 0x267fc234, 0x8529449d, 0x52cbc4c5, 0x18f54f8e, 0xcf17cfd6, + 0x6c41497f, 0xbba3c927, 0xf83c5fe9, 0x2fdedfb1, 0x8c885918, + 0x5b6ad940, 0x1154520b, 0xc6b6d253, 0x65e054fa, 0xb202d4a2, + 0xe2df7966, 0x353df93e, 0x966b7f97, 0x4189ffcf, 0x0bb77484, + 0xdc55f4dc, 0x7f037275, 0xa8e1f22d, 0xeb7e64e3, 0x3c9ce4bb, + 0x9fca6212, 0x4828e24a, 0x02166901, 0xd5f4e959, 0x76a26ff0, + 0xa140efa8}, + {0x00000000, 0xef52b6e1, 0x05d46b83, 0xea86dd62, 0x0ba8d706, + 0xe4fa61e7, 0x0e7cbc85, 0xe12e0a64, 0x1751ae0c, 0xf80318ed, + 0x1285c58f, 0xfdd7736e, 0x1cf9790a, 0xf3abcfeb, 0x192d1289, + 0xf67fa468, 0x2ea35c18, 0xc1f1eaf9, 0x2b77379b, 0xc425817a, + 0x250b8b1e, 0xca593dff, 0x20dfe09d, 0xcf8d567c, 0x39f2f214, + 0xd6a044f5, 0x3c269997, 0xd3742f76, 0x325a2512, 0xdd0893f3, + 0x378e4e91, 0xd8dcf870, 0x5d46b830, 0xb2140ed1, 0x5892d3b3, + 0xb7c06552, 0x56ee6f36, 0xb9bcd9d7, 0x533a04b5, 0xbc68b254, + 0x4a17163c, 0xa545a0dd, 0x4fc37dbf, 0xa091cb5e, 0x41bfc13a, + 0xaeed77db, 0x446baab9, 0xab391c58, 0x73e5e428, 0x9cb752c9, + 0x76318fab, 0x9963394a, 0x784d332e, 0x971f85cf, 0x7d9958ad, + 0x92cbee4c, 0x64b44a24, 0x8be6fcc5, 0x616021a7, 0x8e329746, + 0x6f1c9d22, 0x804e2bc3, 0x6ac8f6a1, 0x859a4040, 0xba8d7060, + 0x55dfc681, 0xbf591be3, 0x500bad02, 0xb125a766, 0x5e771187, + 0xb4f1cce5, 0x5ba37a04, 0xaddcde6c, 0x428e688d, 0xa808b5ef, + 0x475a030e, 0xa674096a, 0x4926bf8b, 0xa3a062e9, 0x4cf2d408, + 0x942e2c78, 0x7b7c9a99, 0x91fa47fb, 0x7ea8f11a, 0x9f86fb7e, + 0x70d44d9f, 0x9a5290fd, 0x7500261c, 0x837f8274, 0x6c2d3495, + 0x86abe9f7, 0x69f95f16, 0x88d75572, 0x6785e393, 0x8d033ef1, + 0x62518810, 0xe7cbc850, 0x08997eb1, 0xe21fa3d3, 0x0d4d1532, + 0xec631f56, 0x0331a9b7, 0xe9b774d5, 0x06e5c234, 0xf09a665c, + 0x1fc8d0bd, 0xf54e0ddf, 0x1a1cbb3e, 0xfb32b15a, 0x146007bb, + 0xfee6dad9, 0x11b46c38, 0xc9689448, 0x263a22a9, 0xccbcffcb, + 0x23ee492a, 0xc2c0434e, 0x2d92f5af, 0xc71428cd, 0x28469e2c, + 0xde393a44, 0x316b8ca5, 0xdbed51c7, 0x34bfe726, 0xd591ed42, + 0x3ac35ba3, 0xd04586c1, 0x3f173020, 0xae6be681, 0x41395060, + 0xabbf8d02, 0x44ed3be3, 0xa5c33187, 0x4a918766, 0xa0175a04, + 0x4f45ece5, 0xb93a488d, 0x5668fe6c, 0xbcee230e, 0x53bc95ef, + 0xb2929f8b, 0x5dc0296a, 0xb746f408, 0x581442e9, 0x80c8ba99, + 0x6f9a0c78, 0x851cd11a, 0x6a4e67fb, 0x8b606d9f, 0x6432db7e, + 0x8eb4061c, 0x61e6b0fd, 0x97991495, 0x78cba274, 0x924d7f16, + 0x7d1fc9f7, 0x9c31c393, 0x73637572, 0x99e5a810, 0x76b71ef1, + 0xf32d5eb1, 0x1c7fe850, 0xf6f93532, 0x19ab83d3, 0xf88589b7, + 0x17d73f56, 0xfd51e234, 0x120354d5, 0xe47cf0bd, 0x0b2e465c, + 0xe1a89b3e, 0x0efa2ddf, 0xefd427bb, 0x0086915a, 0xea004c38, + 0x0552fad9, 0xdd8e02a9, 0x32dcb448, 0xd85a692a, 0x3708dfcb, + 0xd626d5af, 0x3974634e, 0xd3f2be2c, 0x3ca008cd, 0xcadfaca5, + 0x258d1a44, 0xcf0bc726, 0x205971c7, 0xc1777ba3, 0x2e25cd42, + 0xc4a31020, 0x2bf1a6c1, 0x14e696e1, 0xfbb42000, 0x1132fd62, + 0xfe604b83, 0x1f4e41e7, 0xf01cf706, 0x1a9a2a64, 0xf5c89c85, + 0x03b738ed, 0xece58e0c, 0x0663536e, 0xe931e58f, 0x081fefeb, + 0xe74d590a, 0x0dcb8468, 0xe2993289, 0x3a45caf9, 0xd5177c18, + 0x3f91a17a, 0xd0c3179b, 0x31ed1dff, 0xdebfab1e, 0x3439767c, + 0xdb6bc09d, 0x2d1464f5, 0xc246d214, 0x28c00f76, 0xc792b997, + 0x26bcb3f3, 0xc9ee0512, 0x2368d870, 0xcc3a6e91, 0x49a02ed1, + 0xa6f29830, 0x4c744552, 0xa326f3b3, 0x4208f9d7, 0xad5a4f36, + 0x47dc9254, 0xa88e24b5, 0x5ef180dd, 0xb1a3363c, 0x5b25eb5e, + 0xb4775dbf, 0x555957db, 0xba0be13a, 0x508d3c58, 0xbfdf8ab9, + 0x670372c9, 0x8851c428, 0x62d7194a, 0x8d85afab, 0x6caba5cf, + 0x83f9132e, 0x697fce4c, 0x862d78ad, 0x7052dcc5, 0x9f006a24, + 0x7586b746, 0x9ad401a7, 0x7bfa0bc3, 0x94a8bd22, 0x7e2e6040, + 0x917cd6a1}, + {0x00000000, 0x87a6cb43, 0xd43c90c7, 0x539a5b84, 0x730827cf, + 0xf4aeec8c, 0xa734b708, 0x20927c4b, 0xe6104f9e, 0x61b684dd, + 0x322cdf59, 0xb58a141a, 0x95186851, 0x12bea312, 0x4124f896, + 0xc68233d5, 0x1751997d, 0x90f7523e, 0xc36d09ba, 0x44cbc2f9, + 0x6459beb2, 0xe3ff75f1, 0xb0652e75, 0x37c3e536, 0xf141d6e3, + 0x76e71da0, 0x257d4624, 0xa2db8d67, 0x8249f12c, 0x05ef3a6f, + 0x567561eb, 0xd1d3aaa8, 0x2ea332fa, 0xa905f9b9, 0xfa9fa23d, + 0x7d39697e, 0x5dab1535, 0xda0dde76, 0x899785f2, 0x0e314eb1, + 0xc8b37d64, 0x4f15b627, 0x1c8feda3, 0x9b2926e0, 0xbbbb5aab, + 0x3c1d91e8, 0x6f87ca6c, 0xe821012f, 0x39f2ab87, 0xbe5460c4, + 0xedce3b40, 0x6a68f003, 0x4afa8c48, 0xcd5c470b, 0x9ec61c8f, + 0x1960d7cc, 0xdfe2e419, 0x58442f5a, 0x0bde74de, 0x8c78bf9d, + 0xaceac3d6, 0x2b4c0895, 0x78d65311, 0xff709852, 0x5d4665f4, + 0xdae0aeb7, 0x897af533, 0x0edc3e70, 0x2e4e423b, 0xa9e88978, + 0xfa72d2fc, 0x7dd419bf, 0xbb562a6a, 0x3cf0e129, 0x6f6abaad, + 0xe8cc71ee, 0xc85e0da5, 0x4ff8c6e6, 0x1c629d62, 0x9bc45621, + 0x4a17fc89, 0xcdb137ca, 0x9e2b6c4e, 0x198da70d, 0x391fdb46, + 0xbeb91005, 0xed234b81, 0x6a8580c2, 0xac07b317, 0x2ba17854, + 0x783b23d0, 0xff9de893, 0xdf0f94d8, 0x58a95f9b, 0x0b33041f, + 0x8c95cf5c, 0x73e5570e, 0xf4439c4d, 0xa7d9c7c9, 0x207f0c8a, + 0x00ed70c1, 0x874bbb82, 0xd4d1e006, 0x53772b45, 0x95f51890, + 0x1253d3d3, 0x41c98857, 0xc66f4314, 0xe6fd3f5f, 0x615bf41c, + 0x32c1af98, 0xb56764db, 0x64b4ce73, 0xe3120530, 0xb0885eb4, + 0x372e95f7, 0x17bce9bc, 0x901a22ff, 0xc380797b, 0x4426b238, + 0x82a481ed, 0x05024aae, 0x5698112a, 0xd13eda69, 0xf1aca622, + 0x760a6d61, 0x259036e5, 0xa236fda6, 0xba8ccbe8, 0x3d2a00ab, + 0x6eb05b2f, 0xe916906c, 0xc984ec27, 0x4e222764, 0x1db87ce0, + 0x9a1eb7a3, 0x5c9c8476, 0xdb3a4f35, 0x88a014b1, 0x0f06dff2, + 0x2f94a3b9, 0xa83268fa, 0xfba8337e, 0x7c0ef83d, 0xaddd5295, + 0x2a7b99d6, 0x79e1c252, 0xfe470911, 0xded5755a, 0x5973be19, + 0x0ae9e59d, 0x8d4f2ede, 0x4bcd1d0b, 0xcc6bd648, 0x9ff18dcc, + 0x1857468f, 0x38c53ac4, 0xbf63f187, 0xecf9aa03, 0x6b5f6140, + 0x942ff912, 0x13893251, 0x401369d5, 0xc7b5a296, 0xe727dedd, + 0x6081159e, 0x331b4e1a, 0xb4bd8559, 0x723fb68c, 0xf5997dcf, + 0xa603264b, 0x21a5ed08, 0x01379143, 0x86915a00, 0xd50b0184, + 0x52adcac7, 0x837e606f, 0x04d8ab2c, 0x5742f0a8, 0xd0e43beb, + 0xf07647a0, 0x77d08ce3, 0x244ad767, 0xa3ec1c24, 0x656e2ff1, + 0xe2c8e4b2, 0xb152bf36, 0x36f47475, 0x1666083e, 0x91c0c37d, + 0xc25a98f9, 0x45fc53ba, 0xe7caae1c, 0x606c655f, 0x33f63edb, + 0xb450f598, 0x94c289d3, 0x13644290, 0x40fe1914, 0xc758d257, + 0x01dae182, 0x867c2ac1, 0xd5e67145, 0x5240ba06, 0x72d2c64d, + 0xf5740d0e, 0xa6ee568a, 0x21489dc9, 0xf09b3761, 0x773dfc22, + 0x24a7a7a6, 0xa3016ce5, 0x839310ae, 0x0435dbed, 0x57af8069, + 0xd0094b2a, 0x168b78ff, 0x912db3bc, 0xc2b7e838, 0x4511237b, + 0x65835f30, 0xe2259473, 0xb1bfcff7, 0x361904b4, 0xc9699ce6, + 0x4ecf57a5, 0x1d550c21, 0x9af3c762, 0xba61bb29, 0x3dc7706a, + 0x6e5d2bee, 0xe9fbe0ad, 0x2f79d378, 0xa8df183b, 0xfb4543bf, + 0x7ce388fc, 0x5c71f4b7, 0xdbd73ff4, 0x884d6470, 0x0febaf33, + 0xde38059b, 0x599eced8, 0x0a04955c, 0x8da25e1f, 0xad302254, + 0x2a96e917, 0x790cb293, 0xfeaa79d0, 0x38284a05, 0xbf8e8146, + 0xec14dac2, 0x6bb21181, 0x4b206dca, 0xcc86a689, 0x9f1cfd0d, + 0x18ba364e}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x43cba687, 0xc7903cd4, 0x845b9a53, 0xcf270873, + 0x8cecaef4, 0x08b734a7, 0x4b7c9220, 0x9e4f10e6, 0xdd84b661, + 0x59df2c32, 0x1a148ab5, 0x51681895, 0x12a3be12, 0x96f82441, + 0xd53382c6, 0x7d995117, 0x3e52f790, 0xba096dc3, 0xf9c2cb44, + 0xb2be5964, 0xf175ffe3, 0x752e65b0, 0x36e5c337, 0xe3d641f1, + 0xa01de776, 0x24467d25, 0x678ddba2, 0x2cf14982, 0x6f3aef05, + 0xeb617556, 0xa8aad3d1, 0xfa32a32e, 0xb9f905a9, 0x3da29ffa, + 0x7e69397d, 0x3515ab5d, 0x76de0dda, 0xf2859789, 0xb14e310e, + 0x647db3c8, 0x27b6154f, 0xa3ed8f1c, 0xe026299b, 0xab5abbbb, + 0xe8911d3c, 0x6cca876f, 0x2f0121e8, 0x87abf239, 0xc46054be, + 0x403bceed, 0x03f0686a, 0x488cfa4a, 0x0b475ccd, 0x8f1cc69e, + 0xccd76019, 0x19e4e2df, 0x5a2f4458, 0xde74de0b, 0x9dbf788c, + 0xd6c3eaac, 0x95084c2b, 0x1153d678, 0x529870ff, 0xf465465d, + 0xb7aee0da, 0x33f57a89, 0x703edc0e, 0x3b424e2e, 0x7889e8a9, + 0xfcd272fa, 0xbf19d47d, 0x6a2a56bb, 0x29e1f03c, 0xadba6a6f, + 0xee71cce8, 0xa50d5ec8, 0xe6c6f84f, 0x629d621c, 0x2156c49b, + 0x89fc174a, 0xca37b1cd, 0x4e6c2b9e, 0x0da78d19, 0x46db1f39, + 0x0510b9be, 0x814b23ed, 0xc280856a, 0x17b307ac, 0x5478a12b, + 0xd0233b78, 0x93e89dff, 0xd8940fdf, 0x9b5fa958, 0x1f04330b, + 0x5ccf958c, 0x0e57e573, 0x4d9c43f4, 0xc9c7d9a7, 0x8a0c7f20, + 0xc170ed00, 0x82bb4b87, 0x06e0d1d4, 0x452b7753, 0x9018f595, + 0xd3d35312, 0x5788c941, 0x14436fc6, 0x5f3ffde6, 0x1cf45b61, + 0x98afc132, 0xdb6467b5, 0x73ceb464, 0x300512e3, 0xb45e88b0, + 0xf7952e37, 0xbce9bc17, 0xff221a90, 0x7b7980c3, 0x38b22644, + 0xed81a482, 0xae4a0205, 0x2a119856, 0x69da3ed1, 0x22a6acf1, + 0x616d0a76, 0xe5369025, 0xa6fd36a2, 0xe8cb8cba, 0xab002a3d, + 0x2f5bb06e, 0x6c9016e9, 0x27ec84c9, 0x6427224e, 0xe07cb81d, + 0xa3b71e9a, 0x76849c5c, 0x354f3adb, 0xb114a088, 0xf2df060f, + 0xb9a3942f, 0xfa6832a8, 0x7e33a8fb, 0x3df80e7c, 0x9552ddad, + 0xd6997b2a, 0x52c2e179, 0x110947fe, 0x5a75d5de, 0x19be7359, + 0x9de5e90a, 0xde2e4f8d, 0x0b1dcd4b, 0x48d66bcc, 0xcc8df19f, + 0x8f465718, 0xc43ac538, 0x87f163bf, 0x03aaf9ec, 0x40615f6b, + 0x12f92f94, 0x51328913, 0xd5691340, 0x96a2b5c7, 0xddde27e7, + 0x9e158160, 0x1a4e1b33, 0x5985bdb4, 0x8cb63f72, 0xcf7d99f5, + 0x4b2603a6, 0x08eda521, 0x43913701, 0x005a9186, 0x84010bd5, + 0xc7caad52, 0x6f607e83, 0x2cabd804, 0xa8f04257, 0xeb3be4d0, + 0xa04776f0, 0xe38cd077, 0x67d74a24, 0x241ceca3, 0xf12f6e65, + 0xb2e4c8e2, 0x36bf52b1, 0x7574f436, 0x3e086616, 0x7dc3c091, + 0xf9985ac2, 0xba53fc45, 0x1caecae7, 0x5f656c60, 0xdb3ef633, + 0x98f550b4, 0xd389c294, 0x90426413, 0x1419fe40, 0x57d258c7, + 0x82e1da01, 0xc12a7c86, 0x4571e6d5, 0x06ba4052, 0x4dc6d272, + 0x0e0d74f5, 0x8a56eea6, 0xc99d4821, 0x61379bf0, 0x22fc3d77, + 0xa6a7a724, 0xe56c01a3, 0xae109383, 0xeddb3504, 0x6980af57, + 0x2a4b09d0, 0xff788b16, 0xbcb32d91, 0x38e8b7c2, 0x7b231145, + 0x305f8365, 0x739425e2, 0xf7cfbfb1, 0xb4041936, 0xe69c69c9, + 0xa557cf4e, 0x210c551d, 0x62c7f39a, 0x29bb61ba, 0x6a70c73d, + 0xee2b5d6e, 0xade0fbe9, 0x78d3792f, 0x3b18dfa8, 0xbf4345fb, + 0xfc88e37c, 0xb7f4715c, 0xf43fd7db, 0x70644d88, 0x33afeb0f, + 0x9b0538de, 0xd8ce9e59, 0x5c95040a, 0x1f5ea28d, 0x542230ad, + 0x17e9962a, 0x93b20c79, 0xd079aafe, 0x054a2838, 0x46818ebf, + 0xc2da14ec, 0x8111b26b, 0xca6d204b, 0x89a686cc, 0x0dfd1c9f, + 0x4e36ba18}, + {0x00000000, 0xe1b652ef, 0x836bd405, 0x62dd86ea, 0x06d7a80b, + 0xe761fae4, 0x85bc7c0e, 0x640a2ee1, 0x0cae5117, 0xed1803f8, + 0x8fc58512, 0x6e73d7fd, 0x0a79f91c, 0xebcfabf3, 0x89122d19, + 0x68a47ff6, 0x185ca32e, 0xf9eaf1c1, 0x9b37772b, 0x7a8125c4, + 0x1e8b0b25, 0xff3d59ca, 0x9de0df20, 0x7c568dcf, 0x14f2f239, + 0xf544a0d6, 0x9799263c, 0x762f74d3, 0x12255a32, 0xf39308dd, + 0x914e8e37, 0x70f8dcd8, 0x30b8465d, 0xd10e14b2, 0xb3d39258, + 0x5265c0b7, 0x366fee56, 0xd7d9bcb9, 0xb5043a53, 0x54b268bc, + 0x3c16174a, 0xdda045a5, 0xbf7dc34f, 0x5ecb91a0, 0x3ac1bf41, + 0xdb77edae, 0xb9aa6b44, 0x581c39ab, 0x28e4e573, 0xc952b79c, + 0xab8f3176, 0x4a396399, 0x2e334d78, 0xcf851f97, 0xad58997d, + 0x4ceecb92, 0x244ab464, 0xc5fce68b, 0xa7216061, 0x4697328e, + 0x229d1c6f, 0xc32b4e80, 0xa1f6c86a, 0x40409a85, 0x60708dba, + 0x81c6df55, 0xe31b59bf, 0x02ad0b50, 0x66a725b1, 0x8711775e, + 0xe5ccf1b4, 0x047aa35b, 0x6cdedcad, 0x8d688e42, 0xefb508a8, + 0x0e035a47, 0x6a0974a6, 0x8bbf2649, 0xe962a0a3, 0x08d4f24c, + 0x782c2e94, 0x999a7c7b, 0xfb47fa91, 0x1af1a87e, 0x7efb869f, + 0x9f4dd470, 0xfd90529a, 0x1c260075, 0x74827f83, 0x95342d6c, + 0xf7e9ab86, 0x165ff969, 0x7255d788, 0x93e38567, 0xf13e038d, + 0x10885162, 0x50c8cbe7, 0xb17e9908, 0xd3a31fe2, 0x32154d0d, + 0x561f63ec, 0xb7a93103, 0xd574b7e9, 0x34c2e506, 0x5c669af0, + 0xbdd0c81f, 0xdf0d4ef5, 0x3ebb1c1a, 0x5ab132fb, 0xbb076014, + 0xd9dae6fe, 0x386cb411, 0x489468c9, 0xa9223a26, 0xcbffbccc, + 0x2a49ee23, 0x4e43c0c2, 0xaff5922d, 0xcd2814c7, 0x2c9e4628, + 0x443a39de, 0xa58c6b31, 0xc751eddb, 0x26e7bf34, 0x42ed91d5, + 0xa35bc33a, 0xc18645d0, 0x2030173f, 0x81e66bae, 0x60503941, + 0x028dbfab, 0xe33bed44, 0x8731c3a5, 0x6687914a, 0x045a17a0, + 0xe5ec454f, 0x8d483ab9, 0x6cfe6856, 0x0e23eebc, 0xef95bc53, + 0x8b9f92b2, 0x6a29c05d, 0x08f446b7, 0xe9421458, 0x99bac880, + 0x780c9a6f, 0x1ad11c85, 0xfb674e6a, 0x9f6d608b, 0x7edb3264, + 0x1c06b48e, 0xfdb0e661, 0x95149997, 0x74a2cb78, 0x167f4d92, + 0xf7c91f7d, 0x93c3319c, 0x72756373, 0x10a8e599, 0xf11eb776, + 0xb15e2df3, 0x50e87f1c, 0x3235f9f6, 0xd383ab19, 0xb78985f8, + 0x563fd717, 0x34e251fd, 0xd5540312, 0xbdf07ce4, 0x5c462e0b, + 0x3e9ba8e1, 0xdf2dfa0e, 0xbb27d4ef, 0x5a918600, 0x384c00ea, + 0xd9fa5205, 0xa9028edd, 0x48b4dc32, 0x2a695ad8, 0xcbdf0837, + 0xafd526d6, 0x4e637439, 0x2cbef2d3, 0xcd08a03c, 0xa5acdfca, + 0x441a8d25, 0x26c70bcf, 0xc7715920, 0xa37b77c1, 0x42cd252e, + 0x2010a3c4, 0xc1a6f12b, 0xe196e614, 0x0020b4fb, 0x62fd3211, + 0x834b60fe, 0xe7414e1f, 0x06f71cf0, 0x642a9a1a, 0x859cc8f5, + 0xed38b703, 0x0c8ee5ec, 0x6e536306, 0x8fe531e9, 0xebef1f08, + 0x0a594de7, 0x6884cb0d, 0x893299e2, 0xf9ca453a, 0x187c17d5, + 0x7aa1913f, 0x9b17c3d0, 0xff1ded31, 0x1eabbfde, 0x7c763934, + 0x9dc06bdb, 0xf564142d, 0x14d246c2, 0x760fc028, 0x97b992c7, + 0xf3b3bc26, 0x1205eec9, 0x70d86823, 0x916e3acc, 0xd12ea049, + 0x3098f2a6, 0x5245744c, 0xb3f326a3, 0xd7f90842, 0x364f5aad, + 0x5492dc47, 0xb5248ea8, 0xdd80f15e, 0x3c36a3b1, 0x5eeb255b, + 0xbf5d77b4, 0xdb575955, 0x3ae10bba, 0x583c8d50, 0xb98adfbf, + 0xc9720367, 0x28c45188, 0x4a19d762, 0xabaf858d, 0xcfa5ab6c, + 0x2e13f983, 0x4cce7f69, 0xad782d86, 0xc5dc5270, 0x246a009f, + 0x46b78675, 0xa701d49a, 0xc30bfa7b, 0x22bda894, 0x40602e7e, + 0xa1d67c91}, + {0x00000000, 0x5880e2d7, 0xf106b474, 0xa98656a3, 0xe20d68e9, + 0xba8d8a3e, 0x130bdc9d, 0x4b8b3e4a, 0x851da109, 0xdd9d43de, + 0x741b157d, 0x2c9bf7aa, 0x6710c9e0, 0x3f902b37, 0x96167d94, + 0xce969f43, 0x0a3b4213, 0x52bba0c4, 0xfb3df667, 0xa3bd14b0, + 0xe8362afa, 0xb0b6c82d, 0x19309e8e, 0x41b07c59, 0x8f26e31a, + 0xd7a601cd, 0x7e20576e, 0x26a0b5b9, 0x6d2b8bf3, 0x35ab6924, + 0x9c2d3f87, 0xc4addd50, 0x14768426, 0x4cf666f1, 0xe5703052, + 0xbdf0d285, 0xf67beccf, 0xaefb0e18, 0x077d58bb, 0x5ffdba6c, + 0x916b252f, 0xc9ebc7f8, 0x606d915b, 0x38ed738c, 0x73664dc6, + 0x2be6af11, 0x8260f9b2, 0xdae01b65, 0x1e4dc635, 0x46cd24e2, + 0xef4b7241, 0xb7cb9096, 0xfc40aedc, 0xa4c04c0b, 0x0d461aa8, + 0x55c6f87f, 0x9b50673c, 0xc3d085eb, 0x6a56d348, 0x32d6319f, + 0x795d0fd5, 0x21dded02, 0x885bbba1, 0xd0db5976, 0x28ec084d, + 0x706cea9a, 0xd9eabc39, 0x816a5eee, 0xcae160a4, 0x92618273, + 0x3be7d4d0, 0x63673607, 0xadf1a944, 0xf5714b93, 0x5cf71d30, + 0x0477ffe7, 0x4ffcc1ad, 0x177c237a, 0xbefa75d9, 0xe67a970e, + 0x22d74a5e, 0x7a57a889, 0xd3d1fe2a, 0x8b511cfd, 0xc0da22b7, + 0x985ac060, 0x31dc96c3, 0x695c7414, 0xa7caeb57, 0xff4a0980, + 0x56cc5f23, 0x0e4cbdf4, 0x45c783be, 0x1d476169, 0xb4c137ca, + 0xec41d51d, 0x3c9a8c6b, 0x641a6ebc, 0xcd9c381f, 0x951cdac8, + 0xde97e482, 0x86170655, 0x2f9150f6, 0x7711b221, 0xb9872d62, + 0xe107cfb5, 0x48819916, 0x10017bc1, 0x5b8a458b, 0x030aa75c, + 0xaa8cf1ff, 0xf20c1328, 0x36a1ce78, 0x6e212caf, 0xc7a77a0c, + 0x9f2798db, 0xd4aca691, 0x8c2c4446, 0x25aa12e5, 0x7d2af032, + 0xb3bc6f71, 0xeb3c8da6, 0x42badb05, 0x1a3a39d2, 0x51b10798, + 0x0931e54f, 0xa0b7b3ec, 0xf837513b, 0x50d8119a, 0x0858f34d, + 0xa1dea5ee, 0xf95e4739, 0xb2d57973, 0xea559ba4, 0x43d3cd07, + 0x1b532fd0, 0xd5c5b093, 0x8d455244, 0x24c304e7, 0x7c43e630, + 0x37c8d87a, 0x6f483aad, 0xc6ce6c0e, 0x9e4e8ed9, 0x5ae35389, + 0x0263b15e, 0xabe5e7fd, 0xf365052a, 0xb8ee3b60, 0xe06ed9b7, + 0x49e88f14, 0x11686dc3, 0xdffef280, 0x877e1057, 0x2ef846f4, + 0x7678a423, 0x3df39a69, 0x657378be, 0xccf52e1d, 0x9475ccca, + 0x44ae95bc, 0x1c2e776b, 0xb5a821c8, 0xed28c31f, 0xa6a3fd55, + 0xfe231f82, 0x57a54921, 0x0f25abf6, 0xc1b334b5, 0x9933d662, + 0x30b580c1, 0x68356216, 0x23be5c5c, 0x7b3ebe8b, 0xd2b8e828, + 0x8a380aff, 0x4e95d7af, 0x16153578, 0xbf9363db, 0xe713810c, + 0xac98bf46, 0xf4185d91, 0x5d9e0b32, 0x051ee9e5, 0xcb8876a6, + 0x93089471, 0x3a8ec2d2, 0x620e2005, 0x29851e4f, 0x7105fc98, + 0xd883aa3b, 0x800348ec, 0x783419d7, 0x20b4fb00, 0x8932ada3, + 0xd1b24f74, 0x9a39713e, 0xc2b993e9, 0x6b3fc54a, 0x33bf279d, + 0xfd29b8de, 0xa5a95a09, 0x0c2f0caa, 0x54afee7d, 0x1f24d037, + 0x47a432e0, 0xee226443, 0xb6a28694, 0x720f5bc4, 0x2a8fb913, + 0x8309efb0, 0xdb890d67, 0x9002332d, 0xc882d1fa, 0x61048759, + 0x3984658e, 0xf712facd, 0xaf92181a, 0x06144eb9, 0x5e94ac6e, + 0x151f9224, 0x4d9f70f3, 0xe4192650, 0xbc99c487, 0x6c429df1, + 0x34c27f26, 0x9d442985, 0xc5c4cb52, 0x8e4ff518, 0xd6cf17cf, + 0x7f49416c, 0x27c9a3bb, 0xe95f3cf8, 0xb1dfde2f, 0x1859888c, + 0x40d96a5b, 0x0b525411, 0x53d2b6c6, 0xfa54e065, 0xa2d402b2, + 0x6679dfe2, 0x3ef93d35, 0x977f6b96, 0xcfff8941, 0x8474b70b, + 0xdcf455dc, 0x7572037f, 0x2df2e1a8, 0xe3647eeb, 0xbbe49c3c, + 0x1262ca9f, 0x4ae22848, 0x01691602, 0x59e9f4d5, 0xf06fa276, + 0xa8ef40a1}, + {0x00000000, 0x463b6765, 0x8c76ceca, 0xca4da9af, 0x59ebed4e, + 0x1fd08a2b, 0xd59d2384, 0x93a644e1, 0xb2d6db9d, 0xf4edbcf8, + 0x3ea01557, 0x789b7232, 0xeb3d36d3, 0xad0651b6, 0x674bf819, + 0x21709f7c, 0x25abc6e0, 0x6390a185, 0xa9dd082a, 0xefe66f4f, + 0x7c402bae, 0x3a7b4ccb, 0xf036e564, 0xb60d8201, 0x977d1d7d, + 0xd1467a18, 0x1b0bd3b7, 0x5d30b4d2, 0xce96f033, 0x88ad9756, + 0x42e03ef9, 0x04db599c, 0x0b50fc1a, 0x4d6b9b7f, 0x872632d0, + 0xc11d55b5, 0x52bb1154, 0x14807631, 0xdecddf9e, 0x98f6b8fb, + 0xb9862787, 0xffbd40e2, 0x35f0e94d, 0x73cb8e28, 0xe06dcac9, + 0xa656adac, 0x6c1b0403, 0x2a206366, 0x2efb3afa, 0x68c05d9f, + 0xa28df430, 0xe4b69355, 0x7710d7b4, 0x312bb0d1, 0xfb66197e, + 0xbd5d7e1b, 0x9c2de167, 0xda168602, 0x105b2fad, 0x566048c8, + 0xc5c60c29, 0x83fd6b4c, 0x49b0c2e3, 0x0f8ba586, 0x16a0f835, + 0x509b9f50, 0x9ad636ff, 0xdced519a, 0x4f4b157b, 0x0970721e, + 0xc33ddbb1, 0x8506bcd4, 0xa47623a8, 0xe24d44cd, 0x2800ed62, + 0x6e3b8a07, 0xfd9dcee6, 0xbba6a983, 0x71eb002c, 0x37d06749, + 0x330b3ed5, 0x753059b0, 0xbf7df01f, 0xf946977a, 0x6ae0d39b, + 0x2cdbb4fe, 0xe6961d51, 0xa0ad7a34, 0x81dde548, 0xc7e6822d, + 0x0dab2b82, 0x4b904ce7, 0xd8360806, 0x9e0d6f63, 0x5440c6cc, + 0x127ba1a9, 0x1df0042f, 0x5bcb634a, 0x9186cae5, 0xd7bdad80, + 0x441be961, 0x02208e04, 0xc86d27ab, 0x8e5640ce, 0xaf26dfb2, + 0xe91db8d7, 0x23501178, 0x656b761d, 0xf6cd32fc, 0xb0f65599, + 0x7abbfc36, 0x3c809b53, 0x385bc2cf, 0x7e60a5aa, 0xb42d0c05, + 0xf2166b60, 0x61b02f81, 0x278b48e4, 0xedc6e14b, 0xabfd862e, + 0x8a8d1952, 0xccb67e37, 0x06fbd798, 0x40c0b0fd, 0xd366f41c, + 0x955d9379, 0x5f103ad6, 0x192b5db3, 0x2c40f16b, 0x6a7b960e, + 0xa0363fa1, 0xe60d58c4, 0x75ab1c25, 0x33907b40, 0xf9ddd2ef, + 0xbfe6b58a, 0x9e962af6, 0xd8ad4d93, 0x12e0e43c, 0x54db8359, + 0xc77dc7b8, 0x8146a0dd, 0x4b0b0972, 0x0d306e17, 0x09eb378b, + 0x4fd050ee, 0x859df941, 0xc3a69e24, 0x5000dac5, 0x163bbda0, + 0xdc76140f, 0x9a4d736a, 0xbb3dec16, 0xfd068b73, 0x374b22dc, + 0x717045b9, 0xe2d60158, 0xa4ed663d, 0x6ea0cf92, 0x289ba8f7, + 0x27100d71, 0x612b6a14, 0xab66c3bb, 0xed5da4de, 0x7efbe03f, + 0x38c0875a, 0xf28d2ef5, 0xb4b64990, 0x95c6d6ec, 0xd3fdb189, + 0x19b01826, 0x5f8b7f43, 0xcc2d3ba2, 0x8a165cc7, 0x405bf568, + 0x0660920d, 0x02bbcb91, 0x4480acf4, 0x8ecd055b, 0xc8f6623e, + 0x5b5026df, 0x1d6b41ba, 0xd726e815, 0x911d8f70, 0xb06d100c, + 0xf6567769, 0x3c1bdec6, 0x7a20b9a3, 0xe986fd42, 0xafbd9a27, + 0x65f03388, 0x23cb54ed, 0x3ae0095e, 0x7cdb6e3b, 0xb696c794, + 0xf0ada0f1, 0x630be410, 0x25308375, 0xef7d2ada, 0xa9464dbf, + 0x8836d2c3, 0xce0db5a6, 0x04401c09, 0x427b7b6c, 0xd1dd3f8d, + 0x97e658e8, 0x5dabf147, 0x1b909622, 0x1f4bcfbe, 0x5970a8db, + 0x933d0174, 0xd5066611, 0x46a022f0, 0x009b4595, 0xcad6ec3a, + 0x8ced8b5f, 0xad9d1423, 0xeba67346, 0x21ebdae9, 0x67d0bd8c, + 0xf476f96d, 0xb24d9e08, 0x780037a7, 0x3e3b50c2, 0x31b0f544, + 0x778b9221, 0xbdc63b8e, 0xfbfd5ceb, 0x685b180a, 0x2e607f6f, + 0xe42dd6c0, 0xa216b1a5, 0x83662ed9, 0xc55d49bc, 0x0f10e013, + 0x492b8776, 0xda8dc397, 0x9cb6a4f2, 0x56fb0d5d, 0x10c06a38, + 0x141b33a4, 0x522054c1, 0x986dfd6e, 0xde569a0b, 0x4df0deea, + 0x0bcbb98f, 0xc1861020, 0x87bd7745, 0xa6cde839, 0xe0f68f5c, + 0x2abb26f3, 0x6c804196, 0xff260577, 0xb91d6212, 0x7350cbbd, + 0x356bacd8}}; + +#endif + +#endif + +#if N == 6 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x3db1ecdc, 0x7b63d9b8, 0x46d23564, 0xf6c7b370, + 0xcb765fac, 0x8da46ac8, 0xb0158614, 0x36fe60a1, 0x0b4f8c7d, + 0x4d9db919, 0x702c55c5, 0xc039d3d1, 0xfd883f0d, 0xbb5a0a69, + 0x86ebe6b5, 0x6dfcc142, 0x504d2d9e, 0x169f18fa, 0x2b2ef426, + 0x9b3b7232, 0xa68a9eee, 0xe058ab8a, 0xdde94756, 0x5b02a1e3, + 0x66b34d3f, 0x2061785b, 0x1dd09487, 0xadc51293, 0x9074fe4f, + 0xd6a6cb2b, 0xeb1727f7, 0xdbf98284, 0xe6486e58, 0xa09a5b3c, + 0x9d2bb7e0, 0x2d3e31f4, 0x108fdd28, 0x565de84c, 0x6bec0490, + 0xed07e225, 0xd0b60ef9, 0x96643b9d, 0xabd5d741, 0x1bc05155, + 0x2671bd89, 0x60a388ed, 0x5d126431, 0xb60543c6, 0x8bb4af1a, + 0xcd669a7e, 0xf0d776a2, 0x40c2f0b6, 0x7d731c6a, 0x3ba1290e, + 0x0610c5d2, 0x80fb2367, 0xbd4acfbb, 0xfb98fadf, 0xc6291603, + 0x763c9017, 0x4b8d7ccb, 0x0d5f49af, 0x30eea573, 0x6c820349, + 0x5133ef95, 0x17e1daf1, 0x2a50362d, 0x9a45b039, 0xa7f45ce5, + 0xe1266981, 0xdc97855d, 0x5a7c63e8, 0x67cd8f34, 0x211fba50, + 0x1cae568c, 0xacbbd098, 0x910a3c44, 0xd7d80920, 0xea69e5fc, + 0x017ec20b, 0x3ccf2ed7, 0x7a1d1bb3, 0x47acf76f, 0xf7b9717b, + 0xca089da7, 0x8cdaa8c3, 0xb16b441f, 0x3780a2aa, 0x0a314e76, + 0x4ce37b12, 0x715297ce, 0xc14711da, 0xfcf6fd06, 0xba24c862, + 0x879524be, 0xb77b81cd, 0x8aca6d11, 0xcc185875, 0xf1a9b4a9, + 0x41bc32bd, 0x7c0dde61, 0x3adfeb05, 0x076e07d9, 0x8185e16c, + 0xbc340db0, 0xfae638d4, 0xc757d408, 0x7742521c, 0x4af3bec0, + 0x0c218ba4, 0x31906778, 0xda87408f, 0xe736ac53, 0xa1e49937, + 0x9c5575eb, 0x2c40f3ff, 0x11f11f23, 0x57232a47, 0x6a92c69b, + 0xec79202e, 0xd1c8ccf2, 0x971af996, 0xaaab154a, 0x1abe935e, + 0x270f7f82, 0x61dd4ae6, 0x5c6ca63a, 0xd9040692, 0xe4b5ea4e, + 0xa267df2a, 0x9fd633f6, 0x2fc3b5e2, 0x1272593e, 0x54a06c5a, + 0x69118086, 0xeffa6633, 0xd24b8aef, 0x9499bf8b, 0xa9285357, + 0x193dd543, 0x248c399f, 0x625e0cfb, 0x5fefe027, 0xb4f8c7d0, + 0x89492b0c, 0xcf9b1e68, 0xf22af2b4, 0x423f74a0, 0x7f8e987c, + 0x395cad18, 0x04ed41c4, 0x8206a771, 0xbfb74bad, 0xf9657ec9, + 0xc4d49215, 0x74c11401, 0x4970f8dd, 0x0fa2cdb9, 0x32132165, + 0x02fd8416, 0x3f4c68ca, 0x799e5dae, 0x442fb172, 0xf43a3766, + 0xc98bdbba, 0x8f59eede, 0xb2e80202, 0x3403e4b7, 0x09b2086b, + 0x4f603d0f, 0x72d1d1d3, 0xc2c457c7, 0xff75bb1b, 0xb9a78e7f, + 0x841662a3, 0x6f014554, 0x52b0a988, 0x14629cec, 0x29d37030, + 0x99c6f624, 0xa4771af8, 0xe2a52f9c, 0xdf14c340, 0x59ff25f5, + 0x644ec929, 0x229cfc4d, 0x1f2d1091, 0xaf389685, 0x92897a59, + 0xd45b4f3d, 0xe9eaa3e1, 0xb58605db, 0x8837e907, 0xcee5dc63, + 0xf35430bf, 0x4341b6ab, 0x7ef05a77, 0x38226f13, 0x059383cf, + 0x8378657a, 0xbec989a6, 0xf81bbcc2, 0xc5aa501e, 0x75bfd60a, + 0x480e3ad6, 0x0edc0fb2, 0x336de36e, 0xd87ac499, 0xe5cb2845, + 0xa3191d21, 0x9ea8f1fd, 0x2ebd77e9, 0x130c9b35, 0x55deae51, + 0x686f428d, 0xee84a438, 0xd33548e4, 0x95e77d80, 0xa856915c, + 0x18431748, 0x25f2fb94, 0x6320cef0, 0x5e91222c, 0x6e7f875f, + 0x53ce6b83, 0x151c5ee7, 0x28adb23b, 0x98b8342f, 0xa509d8f3, + 0xe3dbed97, 0xde6a014b, 0x5881e7fe, 0x65300b22, 0x23e23e46, + 0x1e53d29a, 0xae46548e, 0x93f7b852, 0xd5258d36, 0xe89461ea, + 0x0383461d, 0x3e32aac1, 0x78e09fa5, 0x45517379, 0xf544f56d, + 0xc8f519b1, 0x8e272cd5, 0xb396c009, 0x357d26bc, 0x08ccca60, + 0x4e1eff04, 0x73af13d8, 0xc3ba95cc, 0xfe0b7910, 0xb8d94c74, + 0x8568a0a8}, + {0x00000000, 0x69790b65, 0xd2f216ca, 0xbb8b1daf, 0x7e952bd5, + 0x17ec20b0, 0xac673d1f, 0xc51e367a, 0xfd2a57aa, 0x94535ccf, + 0x2fd84160, 0x46a14a05, 0x83bf7c7f, 0xeac6771a, 0x514d6ab5, + 0x383461d0, 0x2125a915, 0x485ca270, 0xf3d7bfdf, 0x9aaeb4ba, + 0x5fb082c0, 0x36c989a5, 0x8d42940a, 0xe43b9f6f, 0xdc0ffebf, + 0xb576f5da, 0x0efde875, 0x6784e310, 0xa29ad56a, 0xcbe3de0f, + 0x7068c3a0, 0x1911c8c5, 0x424b522a, 0x2b32594f, 0x90b944e0, + 0xf9c04f85, 0x3cde79ff, 0x55a7729a, 0xee2c6f35, 0x87556450, + 0xbf610580, 0xd6180ee5, 0x6d93134a, 0x04ea182f, 0xc1f42e55, + 0xa88d2530, 0x1306389f, 0x7a7f33fa, 0x636efb3f, 0x0a17f05a, + 0xb19cedf5, 0xd8e5e690, 0x1dfbd0ea, 0x7482db8f, 0xcf09c620, + 0xa670cd45, 0x9e44ac95, 0xf73da7f0, 0x4cb6ba5f, 0x25cfb13a, + 0xe0d18740, 0x89a88c25, 0x3223918a, 0x5b5a9aef, 0x8496a454, + 0xedefaf31, 0x5664b29e, 0x3f1db9fb, 0xfa038f81, 0x937a84e4, + 0x28f1994b, 0x4188922e, 0x79bcf3fe, 0x10c5f89b, 0xab4ee534, + 0xc237ee51, 0x0729d82b, 0x6e50d34e, 0xd5dbcee1, 0xbca2c584, + 0xa5b30d41, 0xccca0624, 0x77411b8b, 0x1e3810ee, 0xdb262694, + 0xb25f2df1, 0x09d4305e, 0x60ad3b3b, 0x58995aeb, 0x31e0518e, + 0x8a6b4c21, 0xe3124744, 0x260c713e, 0x4f757a5b, 0xf4fe67f4, + 0x9d876c91, 0xc6ddf67e, 0xafa4fd1b, 0x142fe0b4, 0x7d56ebd1, + 0xb848ddab, 0xd131d6ce, 0x6abacb61, 0x03c3c004, 0x3bf7a1d4, + 0x528eaab1, 0xe905b71e, 0x807cbc7b, 0x45628a01, 0x2c1b8164, + 0x97909ccb, 0xfee997ae, 0xe7f85f6b, 0x8e81540e, 0x350a49a1, + 0x5c7342c4, 0x996d74be, 0xf0147fdb, 0x4b9f6274, 0x22e66911, + 0x1ad208c1, 0x73ab03a4, 0xc8201e0b, 0xa159156e, 0x64472314, + 0x0d3e2871, 0xb6b535de, 0xdfcc3ebb, 0xd25c4ee9, 0xbb25458c, + 0x00ae5823, 0x69d75346, 0xacc9653c, 0xc5b06e59, 0x7e3b73f6, + 0x17427893, 0x2f761943, 0x460f1226, 0xfd840f89, 0x94fd04ec, + 0x51e33296, 0x389a39f3, 0x8311245c, 0xea682f39, 0xf379e7fc, + 0x9a00ec99, 0x218bf136, 0x48f2fa53, 0x8deccc29, 0xe495c74c, + 0x5f1edae3, 0x3667d186, 0x0e53b056, 0x672abb33, 0xdca1a69c, + 0xb5d8adf9, 0x70c69b83, 0x19bf90e6, 0xa2348d49, 0xcb4d862c, + 0x90171cc3, 0xf96e17a6, 0x42e50a09, 0x2b9c016c, 0xee823716, + 0x87fb3c73, 0x3c7021dc, 0x55092ab9, 0x6d3d4b69, 0x0444400c, + 0xbfcf5da3, 0xd6b656c6, 0x13a860bc, 0x7ad16bd9, 0xc15a7676, + 0xa8237d13, 0xb132b5d6, 0xd84bbeb3, 0x63c0a31c, 0x0ab9a879, + 0xcfa79e03, 0xa6de9566, 0x1d5588c9, 0x742c83ac, 0x4c18e27c, + 0x2561e919, 0x9eeaf4b6, 0xf793ffd3, 0x328dc9a9, 0x5bf4c2cc, + 0xe07fdf63, 0x8906d406, 0x56caeabd, 0x3fb3e1d8, 0x8438fc77, + 0xed41f712, 0x285fc168, 0x4126ca0d, 0xfaadd7a2, 0x93d4dcc7, + 0xabe0bd17, 0xc299b672, 0x7912abdd, 0x106ba0b8, 0xd57596c2, + 0xbc0c9da7, 0x07878008, 0x6efe8b6d, 0x77ef43a8, 0x1e9648cd, + 0xa51d5562, 0xcc645e07, 0x097a687d, 0x60036318, 0xdb887eb7, + 0xb2f175d2, 0x8ac51402, 0xe3bc1f67, 0x583702c8, 0x314e09ad, + 0xf4503fd7, 0x9d2934b2, 0x26a2291d, 0x4fdb2278, 0x1481b897, + 0x7df8b3f2, 0xc673ae5d, 0xaf0aa538, 0x6a149342, 0x036d9827, + 0xb8e68588, 0xd19f8eed, 0xe9abef3d, 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0x6fe8ddba, 0x1190951c, 0x3bb8ad7e, 0xed600450, 0xc7483c32, + 0xb9307494, 0x93184cf6, 0x00e0ac6a, 0x2ac89408, 0x54b0dcae, + 0x7e98e4cc, 0xa8404de2, 0x82687580, 0xfc103d26, 0xd6380544, + 0x8ad0693b, 0xa0f85159, 0xde8019ff, 0xf4a8219d, 0x227088b3, + 0x0858b0d1, 0x7620f877, 0x5c08c015, 0xce31785d, 0xe419403f, + 0x9a610899, 0xb04930fb, 0x669199d5, 0x4cb9a1b7, 0x32c1e911, + 0x18e9d173, 0x4401bd0c, 0x6e29856e, 0x1051cdc8, 0x3a79f5aa, + 0xeca15c84, 0xc68964e6, 0xb8f12c40, 0x92d91422, 0x0121f4be, + 0x2b09ccdc, 0x5571847a, 0x7f59bc18, 0xa9811536, 0x83a92d54, + 0xfdd165f2, 0xd7f95d90, 0x8b1131ef, 0xa139098d, 0xdf41412b, + 0xf5697949, 0x23b1d067, 0x0999e805, 0x77e1a0a3, 0x5dc998c1, + 0x8b6167da, 0xa1495fb8, 0xdf31171e, 0xf5192f7c, 0x23c18652, + 0x09e9be30, 0x7791f696, 0x5db9cef4, 0x0151a28b, 0x2b799ae9, + 0x5501d24f, 0x7f29ea2d, 0xa9f14303, 0x83d97b61, 0xfda133c7, + 0xd7890ba5, 0x4471eb39, 0x6e59d35b, 0x10219bfd, 0x3a09a39f, + 0xecd10ab1, 0xc6f932d3, 0xb8817a75, 0x92a94217, 0xce412e68, + 0xe469160a, 0x9a115eac, 0xb03966ce, 0x66e1cfe0, 0x4cc9f782, + 0x32b1bf24, 0x18998746, 0x44914753, 0x6eb97f31, 0x10c13797, + 0x3ae90ff5, 0xec31a6db, 0xc6199eb9, 0xb861d61f, 0x9249ee7d, + 0xcea18202, 0xe489ba60, 0x9af1f2c6, 0xb0d9caa4, 0x6601638a, + 0x4c295be8, 0x3251134e, 0x18792b2c, 0x8b81cbb0, 0xa1a9f3d2, + 0xdfd1bb74, 0xf5f98316, 0x23212a38, 0x0909125a, 0x77715afc, + 0x5d59629e, 0x01b10ee1, 0x2b993683, 0x55e17e25, 0x7fc94647, + 0xa911ef69, 0x8339d70b, 0xfd419fad, 0xd769a7cf, 0x01c158d4, + 0x2be960b6, 0x55912810, 0x7fb91072, 0xa961b95c, 0x8349813e, + 0xfd31c998, 0xd719f1fa, 0x8bf19d85, 0xa1d9a5e7, 0xdfa1ed41, + 0xf589d523, 0x23517c0d, 0x0979446f, 0x77010cc9, 0x5d2934ab, + 0xced1d437, 0xe4f9ec55, 0x9a81a4f3, 0xb0a99c91, 0x667135bf, + 0x4c590ddd, 0x3221457b, 0x18097d19, 0x44e11166, 0x6ec92904, + 0x10b161a2, 0x3a9959c0, 0xec41f0ee, 0xc669c88c, 0xb811802a, + 0x9239b848}, + {0x00000000, 0x4713f6fb, 0x8e27edf6, 0xc9341b0d, 0xc73eddad, + 0x802d2b56, 0x4919305b, 0x0e0ac6a0, 0x550cbd1b, 0x121f4be0, + 0xdb2b50ed, 0x9c38a616, 0x923260b6, 0xd521964d, 0x1c158d40, + 0x5b067bbb, 0xaa197a36, 0xed0a8ccd, 0x243e97c0, 0x632d613b, + 0x6d27a79b, 0x2a345160, 0xe3004a6d, 0xa413bc96, 0xff15c72d, + 0xb80631d6, 0x71322adb, 0x3621dc20, 0x382b1a80, 0x7f38ec7b, + 0xb60cf776, 0xf11f018d, 0x8f43f22d, 0xc85004d6, 0x01641fdb, + 0x4677e920, 0x487d2f80, 0x0f6ed97b, 0xc65ac276, 0x8149348d, + 0xda4f4f36, 0x9d5cb9cd, 0x5468a2c0, 0x137b543b, 0x1d71929b, + 0x5a626460, 0x93567f6d, 0xd4458996, 0x255a881b, 0x62497ee0, + 0xab7d65ed, 0xec6e9316, 0xe26455b6, 0xa577a34d, 0x6c43b840, + 0x2b504ebb, 0x70563500, 0x3745c3fb, 0xfe71d8f6, 0xb9622e0d, + 0xb768e8ad, 0xf07b1e56, 0x394f055b, 0x7e5cf3a0, 0xc5f6e21b, + 0x82e514e0, 0x4bd10fed, 0x0cc2f916, 0x02c83fb6, 0x45dbc94d, + 0x8cefd240, 0xcbfc24bb, 0x90fa5f00, 0xd7e9a9fb, 0x1eddb2f6, + 0x59ce440d, 0x57c482ad, 0x10d77456, 0xd9e36f5b, 0x9ef099a0, + 0x6fef982d, 0x28fc6ed6, 0xe1c875db, 0xa6db8320, 0xa8d14580, + 0xefc2b37b, 0x26f6a876, 0x61e55e8d, 0x3ae32536, 0x7df0d3cd, + 0xb4c4c8c0, 0xf3d73e3b, 0xfdddf89b, 0xbace0e60, 0x73fa156d, + 0x34e9e396, 0x4ab51036, 0x0da6e6cd, 0xc492fdc0, 0x83810b3b, + 0x8d8bcd9b, 0xca983b60, 0x03ac206d, 0x44bfd696, 0x1fb9ad2d, + 0x58aa5bd6, 0x919e40db, 0xd68db620, 0xd8877080, 0x9f94867b, + 0x56a09d76, 0x11b36b8d, 0xe0ac6a00, 0xa7bf9cfb, 0x6e8b87f6, + 0x2998710d, 0x2792b7ad, 0x60814156, 0xa9b55a5b, 0xeea6aca0, + 0xb5a0d71b, 0xf2b321e0, 0x3b873aed, 0x7c94cc16, 0x729e0ab6, + 0x358dfc4d, 0xfcb9e740, 0xbbaa11bb, 0x509cc277, 0x178f348c, + 0xdebb2f81, 0x99a8d97a, 0x97a21fda, 0xd0b1e921, 0x1985f22c, + 0x5e9604d7, 0x05907f6c, 0x42838997, 0x8bb7929a, 0xcca46461, + 0xc2aea2c1, 0x85bd543a, 0x4c894f37, 0x0b9ab9cc, 0xfa85b841, + 0xbd964eba, 0x74a255b7, 0x33b1a34c, 0x3dbb65ec, 0x7aa89317, + 0xb39c881a, 0xf48f7ee1, 0xaf89055a, 0xe89af3a1, 0x21aee8ac, + 0x66bd1e57, 0x68b7d8f7, 0x2fa42e0c, 0xe6903501, 0xa183c3fa, + 0xdfdf305a, 0x98ccc6a1, 0x51f8ddac, 0x16eb2b57, 0x18e1edf7, + 0x5ff21b0c, 0x96c60001, 0xd1d5f6fa, 0x8ad38d41, 0xcdc07bba, + 0x04f460b7, 0x43e7964c, 0x4ded50ec, 0x0afea617, 0xc3cabd1a, + 0x84d94be1, 0x75c64a6c, 0x32d5bc97, 0xfbe1a79a, 0xbcf25161, + 0xb2f897c1, 0xf5eb613a, 0x3cdf7a37, 0x7bcc8ccc, 0x20caf777, + 0x67d9018c, 0xaeed1a81, 0xe9feec7a, 0xe7f42ada, 0xa0e7dc21, + 0x69d3c72c, 0x2ec031d7, 0x956a206c, 0xd279d697, 0x1b4dcd9a, + 0x5c5e3b61, 0x5254fdc1, 0x15470b3a, 0xdc731037, 0x9b60e6cc, + 0xc0669d77, 0x87756b8c, 0x4e417081, 0x0952867a, 0x075840da, + 0x404bb621, 0x897fad2c, 0xce6c5bd7, 0x3f735a5a, 0x7860aca1, + 0xb154b7ac, 0xf6474157, 0xf84d87f7, 0xbf5e710c, 0x766a6a01, + 0x31799cfa, 0x6a7fe741, 0x2d6c11ba, 0xe4580ab7, 0xa34bfc4c, + 0xad413aec, 0xea52cc17, 0x2366d71a, 0x647521e1, 0x1a29d241, + 0x5d3a24ba, 0x940e3fb7, 0xd31dc94c, 0xdd170fec, 0x9a04f917, + 0x5330e21a, 0x142314e1, 0x4f256f5a, 0x083699a1, 0xc10282ac, + 0x86117457, 0x881bb2f7, 0xcf08440c, 0x063c5f01, 0x412fa9fa, + 0xb030a877, 0xf7235e8c, 0x3e174581, 0x7904b37a, 0x770e75da, + 0x301d8321, 0xf929982c, 0xbe3a6ed7, 0xe53c156c, 0xa22fe397, + 0x6b1bf89a, 0x2c080e61, 0x2202c8c1, 0x65113e3a, 0xac252537, + 0xeb36d3cc}, + {0x00000000, 0xa13984ee, 0x99020f9d, 0x383b8b73, 0xe975197b, + 0x484c9d95, 0x707716e6, 0xd14e9208, 0x099b34b7, 0xa8a2b059, + 0x90993b2a, 0x31a0bfc4, 0xe0ee2dcc, 0x41d7a922, 0x79ec2251, + 0xd8d5a6bf, 0x1336696e, 0xb20fed80, 0x8a3466f3, 0x2b0de21d, + 0xfa437015, 0x5b7af4fb, 0x63417f88, 0xc278fb66, 0x1aad5dd9, + 0xbb94d937, 0x83af5244, 0x2296d6aa, 0xf3d844a2, 0x52e1c04c, + 0x6ada4b3f, 0xcbe3cfd1, 0x266cd2dc, 0x87555632, 0xbf6edd41, + 0x1e5759af, 0xcf19cba7, 0x6e204f49, 0x561bc43a, 0xf72240d4, + 0x2ff7e66b, 0x8ece6285, 0xb6f5e9f6, 0x17cc6d18, 0xc682ff10, + 0x67bb7bfe, 0x5f80f08d, 0xfeb97463, 0x355abbb2, 0x94633f5c, + 0xac58b42f, 0x0d6130c1, 0xdc2fa2c9, 0x7d162627, 0x452dad54, + 0xe41429ba, 0x3cc18f05, 0x9df80beb, 0xa5c38098, 0x04fa0476, + 0xd5b4967e, 0x748d1290, 0x4cb699e3, 0xed8f1d0d, 0x4cd9a5b8, + 0xede02156, 0xd5dbaa25, 0x74e22ecb, 0xa5acbcc3, 0x0495382d, + 0x3caeb35e, 0x9d9737b0, 0x4542910f, 0xe47b15e1, 0xdc409e92, + 0x7d791a7c, 0xac378874, 0x0d0e0c9a, 0x353587e9, 0x940c0307, + 0x5fefccd6, 0xfed64838, 0xc6edc34b, 0x67d447a5, 0xb69ad5ad, + 0x17a35143, 0x2f98da30, 0x8ea15ede, 0x5674f861, 0xf74d7c8f, + 0xcf76f7fc, 0x6e4f7312, 0xbf01e11a, 0x1e3865f4, 0x2603ee87, + 0x873a6a69, 0x6ab57764, 0xcb8cf38a, 0xf3b778f9, 0x528efc17, + 0x83c06e1f, 0x22f9eaf1, 0x1ac26182, 0xbbfbe56c, 0x632e43d3, + 0xc217c73d, 0xfa2c4c4e, 0x5b15c8a0, 0x8a5b5aa8, 0x2b62de46, + 0x13595535, 0xb260d1db, 0x79831e0a, 0xd8ba9ae4, 0xe0811197, + 0x41b89579, 0x90f60771, 0x31cf839f, 0x09f408ec, 0xa8cd8c02, + 0x70182abd, 0xd121ae53, 0xe91a2520, 0x4823a1ce, 0x996d33c6, + 0x3854b728, 0x006f3c5b, 0xa156b8b5, 0x99b34b70, 0x388acf9e, + 0x00b144ed, 0xa188c003, 0x70c6520b, 0xd1ffd6e5, 0xe9c45d96, + 0x48fdd978, 0x90287fc7, 0x3111fb29, 0x092a705a, 0xa813f4b4, + 0x795d66bc, 0xd864e252, 0xe05f6921, 0x4166edcf, 0x8a85221e, + 0x2bbca6f0, 0x13872d83, 0xb2bea96d, 0x63f03b65, 0xc2c9bf8b, + 0xfaf234f8, 0x5bcbb016, 0x831e16a9, 0x22279247, 0x1a1c1934, + 0xbb259dda, 0x6a6b0fd2, 0xcb528b3c, 0xf369004f, 0x525084a1, + 0xbfdf99ac, 0x1ee61d42, 0x26dd9631, 0x87e412df, 0x56aa80d7, + 0xf7930439, 0xcfa88f4a, 0x6e910ba4, 0xb644ad1b, 0x177d29f5, + 0x2f46a286, 0x8e7f2668, 0x5f31b460, 0xfe08308e, 0xc633bbfd, + 0x670a3f13, 0xace9f0c2, 0x0dd0742c, 0x35ebff5f, 0x94d27bb1, + 0x459ce9b9, 0xe4a56d57, 0xdc9ee624, 0x7da762ca, 0xa572c475, + 0x044b409b, 0x3c70cbe8, 0x9d494f06, 0x4c07dd0e, 0xed3e59e0, + 0xd505d293, 0x743c567d, 0xd56aeec8, 0x74536a26, 0x4c68e155, + 0xed5165bb, 0x3c1ff7b3, 0x9d26735d, 0xa51df82e, 0x04247cc0, + 0xdcf1da7f, 0x7dc85e91, 0x45f3d5e2, 0xe4ca510c, 0x3584c304, + 0x94bd47ea, 0xac86cc99, 0x0dbf4877, 0xc65c87a6, 0x67650348, + 0x5f5e883b, 0xfe670cd5, 0x2f299edd, 0x8e101a33, 0xb62b9140, + 0x171215ae, 0xcfc7b311, 0x6efe37ff, 0x56c5bc8c, 0xf7fc3862, + 0x26b2aa6a, 0x878b2e84, 0xbfb0a5f7, 0x1e892119, 0xf3063c14, + 0x523fb8fa, 0x6a043389, 0xcb3db767, 0x1a73256f, 0xbb4aa181, + 0x83712af2, 0x2248ae1c, 0xfa9d08a3, 0x5ba48c4d, 0x639f073e, + 0xc2a683d0, 0x13e811d8, 0xb2d19536, 0x8aea1e45, 0x2bd39aab, + 0xe030557a, 0x4109d194, 0x79325ae7, 0xd80bde09, 0x09454c01, + 0xa87cc8ef, 0x9047439c, 0x317ec772, 0xe9ab61cd, 0x4892e523, + 0x70a96e50, 0xd190eabe, 0x00de78b6, 0xa1e7fc58, 0x99dc772b, + 0x38e5f3c5}, + {0x00000000, 0xe81790a1, 0x0b5e2703, 0xe349b7a2, 0x16bc4e06, + 0xfeabdea7, 0x1de26905, 0xf5f5f9a4, 0x2d789c0c, 0xc56f0cad, + 0x2626bb0f, 0xce312bae, 0x3bc4d20a, 0xd3d342ab, 0x309af509, + 0xd88d65a8, 0x5af13818, 0xb2e6a8b9, 0x51af1f1b, 0xb9b88fba, + 0x4c4d761e, 0xa45ae6bf, 0x4713511d, 0xaf04c1bc, 0x7789a414, + 0x9f9e34b5, 0x7cd78317, 0x94c013b6, 0x6135ea12, 0x89227ab3, + 0x6a6bcd11, 0x827c5db0, 0xb5e27030, 0x5df5e091, 0xbebc5733, + 0x56abc792, 0xa35e3e36, 0x4b49ae97, 0xa8001935, 0x40178994, + 0x989aec3c, 0x708d7c9d, 0x93c4cb3f, 0x7bd35b9e, 0x8e26a23a, + 0x6631329b, 0x85788539, 0x6d6f1598, 0xef134828, 0x0704d889, + 0xe44d6f2b, 0x0c5aff8a, 0xf9af062e, 0x11b8968f, 0xf2f1212d, + 0x1ae6b18c, 0xc26bd424, 0x2a7c4485, 0xc935f327, 0x21226386, + 0xd4d79a22, 0x3cc00a83, 0xdf89bd21, 0x379e2d80, 0xb0b5e621, + 0x58a27680, 0xbbebc122, 0x53fc5183, 0xa609a827, 0x4e1e3886, + 0xad578f24, 0x45401f85, 0x9dcd7a2d, 0x75daea8c, 0x96935d2e, + 0x7e84cd8f, 0x8b71342b, 0x6366a48a, 0x802f1328, 0x68388389, + 0xea44de39, 0x02534e98, 0xe11af93a, 0x090d699b, 0xfcf8903f, + 0x14ef009e, 0xf7a6b73c, 0x1fb1279d, 0xc73c4235, 0x2f2bd294, + 0xcc626536, 0x2475f597, 0xd1800c33, 0x39979c92, 0xdade2b30, + 0x32c9bb91, 0x05579611, 0xed4006b0, 0x0e09b112, 0xe61e21b3, + 0x13ebd817, 0xfbfc48b6, 0x18b5ff14, 0xf0a26fb5, 0x282f0a1d, + 0xc0389abc, 0x23712d1e, 0xcb66bdbf, 0x3e93441b, 0xd684d4ba, + 0x35cd6318, 0xdddaf3b9, 0x5fa6ae09, 0xb7b13ea8, 0x54f8890a, + 0xbcef19ab, 0x491ae00f, 0xa10d70ae, 0x4244c70c, 0xaa5357ad, + 0x72de3205, 0x9ac9a2a4, 0x79801506, 0x919785a7, 0x64627c03, + 0x8c75eca2, 0x6f3c5b00, 0x872bcba1, 0xba1aca03, 0x520d5aa2, + 0xb144ed00, 0x59537da1, 0xaca68405, 0x44b114a4, 0xa7f8a306, + 0x4fef33a7, 0x9762560f, 0x7f75c6ae, 0x9c3c710c, 0x742be1ad, + 0x81de1809, 0x69c988a8, 0x8a803f0a, 0x6297afab, 0xe0ebf21b, + 0x08fc62ba, 0xebb5d518, 0x03a245b9, 0xf657bc1d, 0x1e402cbc, + 0xfd099b1e, 0x151e0bbf, 0xcd936e17, 0x2584feb6, 0xc6cd4914, + 0x2edad9b5, 0xdb2f2011, 0x3338b0b0, 0xd0710712, 0x386697b3, + 0x0ff8ba33, 0xe7ef2a92, 0x04a69d30, 0xecb10d91, 0x1944f435, + 0xf1536494, 0x121ad336, 0xfa0d4397, 0x2280263f, 0xca97b69e, + 0x29de013c, 0xc1c9919d, 0x343c6839, 0xdc2bf898, 0x3f624f3a, + 0xd775df9b, 0x5509822b, 0xbd1e128a, 0x5e57a528, 0xb6403589, + 0x43b5cc2d, 0xaba25c8c, 0x48ebeb2e, 0xa0fc7b8f, 0x78711e27, + 0x90668e86, 0x732f3924, 0x9b38a985, 0x6ecd5021, 0x86dac080, + 0x65937722, 0x8d84e783, 0x0aaf2c22, 0xe2b8bc83, 0x01f10b21, + 0xe9e69b80, 0x1c136224, 0xf404f285, 0x174d4527, 0xff5ad586, + 0x27d7b02e, 0xcfc0208f, 0x2c89972d, 0xc49e078c, 0x316bfe28, + 0xd97c6e89, 0x3a35d92b, 0xd222498a, 0x505e143a, 0xb849849b, + 0x5b003339, 0xb317a398, 0x46e25a3c, 0xaef5ca9d, 0x4dbc7d3f, + 0xa5abed9e, 0x7d268836, 0x95311897, 0x7678af35, 0x9e6f3f94, + 0x6b9ac630, 0x838d5691, 0x60c4e133, 0x88d37192, 0xbf4d5c12, + 0x575accb3, 0xb4137b11, 0x5c04ebb0, 0xa9f11214, 0x41e682b5, + 0xa2af3517, 0x4ab8a5b6, 0x9235c01e, 0x7a2250bf, 0x996be71d, + 0x717c77bc, 0x84898e18, 0x6c9e1eb9, 0x8fd7a91b, 0x67c039ba, + 0xe5bc640a, 0x0dabf4ab, 0xeee24309, 0x06f5d3a8, 0xf3002a0c, + 0x1b17baad, 0xf85e0d0f, 0x10499dae, 0xc8c4f806, 0x20d368a7, + 0xc39adf05, 0x2b8d4fa4, 0xde78b600, 0x366f26a1, 0xd5269103, + 0x3d3101a2}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0xa19017e800000000, 0x03275e0b00000000, + 0xa2b749e300000000, 0x064ebc1600000000, 0xa7deabfe00000000, + 0x0569e21d00000000, 0xa4f9f5f500000000, 0x0c9c782d00000000, + 0xad0c6fc500000000, 0x0fbb262600000000, 0xae2b31ce00000000, + 0x0ad2c43b00000000, 0xab42d3d300000000, 0x09f59a3000000000, + 0xa8658dd800000000, 0x1838f15a00000000, 0xb9a8e6b200000000, + 0x1b1faf5100000000, 0xba8fb8b900000000, 0x1e764d4c00000000, + 0xbfe65aa400000000, 0x1d51134700000000, 0xbcc104af00000000, + 0x14a4897700000000, 0xb5349e9f00000000, 0x1783d77c00000000, + 0xb613c09400000000, 0x12ea356100000000, 0xb37a228900000000, + 0x11cd6b6a00000000, 0xb05d7c8200000000, 0x3070e2b500000000, + 0x91e0f55d00000000, 0x3357bcbe00000000, 0x92c7ab5600000000, + 0x363e5ea300000000, 0x97ae494b00000000, 0x351900a800000000, + 0x9489174000000000, 0x3cec9a9800000000, 0x9d7c8d7000000000, + 0x3fcbc49300000000, 0x9e5bd37b00000000, 0x3aa2268e00000000, + 0x9b32316600000000, 0x3985788500000000, 0x98156f6d00000000, + 0x284813ef00000000, 0x89d8040700000000, 0x2b6f4de400000000, + 0x8aff5a0c00000000, 0x2e06aff900000000, 0x8f96b81100000000, + 0x2d21f1f200000000, 0x8cb1e61a00000000, 0x24d46bc200000000, + 0x85447c2a00000000, 0x27f335c900000000, 0x8663222100000000, + 0x229ad7d400000000, 0x830ac03c00000000, 0x21bd89df00000000, + 0x802d9e3700000000, 0x21e6b5b000000000, 0x8076a25800000000, + 0x22c1ebbb00000000, 0x8351fc5300000000, 0x27a809a600000000, + 0x86381e4e00000000, 0x248f57ad00000000, 0x851f404500000000, + 0x2d7acd9d00000000, 0x8ceada7500000000, 0x2e5d939600000000, + 0x8fcd847e00000000, 0x2b34718b00000000, 0x8aa4666300000000, + 0x28132f8000000000, 0x8983386800000000, 0x39de44ea00000000, + 0x984e530200000000, 0x3af91ae100000000, 0x9b690d0900000000, + 0x3f90f8fc00000000, 0x9e00ef1400000000, 0x3cb7a6f700000000, + 0x9d27b11f00000000, 0x35423cc700000000, 0x94d22b2f00000000, + 0x366562cc00000000, 0x97f5752400000000, 0x330c80d100000000, + 0x929c973900000000, 0x302bdeda00000000, 0x91bbc93200000000, + 0x1196570500000000, 0xb00640ed00000000, 0x12b1090e00000000, + 0xb3211ee600000000, 0x17d8eb1300000000, 0xb648fcfb00000000, + 0x14ffb51800000000, 0xb56fa2f000000000, 0x1d0a2f2800000000, + 0xbc9a38c000000000, 0x1e2d712300000000, 0xbfbd66cb00000000, + 0x1b44933e00000000, 0xbad484d600000000, 0x1863cd3500000000, + 0xb9f3dadd00000000, 0x09aea65f00000000, 0xa83eb1b700000000, + 0x0a89f85400000000, 0xab19efbc00000000, 0x0fe01a4900000000, + 0xae700da100000000, 0x0cc7444200000000, 0xad5753aa00000000, + 0x0532de7200000000, 0xa4a2c99a00000000, 0x0615807900000000, + 0xa785979100000000, 0x037c626400000000, 0xa2ec758c00000000, + 0x005b3c6f00000000, 0xa1cb2b8700000000, 0x03ca1aba00000000, + 0xa25a0d5200000000, 0x00ed44b100000000, 0xa17d535900000000, + 0x0584a6ac00000000, 0xa414b14400000000, 0x06a3f8a700000000, + 0xa733ef4f00000000, 0x0f56629700000000, 0xaec6757f00000000, + 0x0c713c9c00000000, 0xade12b7400000000, 0x0918de8100000000, + 0xa888c96900000000, 0x0a3f808a00000000, 0xabaf976200000000, + 0x1bf2ebe000000000, 0xba62fc0800000000, 0x18d5b5eb00000000, + 0xb945a20300000000, 0x1dbc57f600000000, 0xbc2c401e00000000, + 0x1e9b09fd00000000, 0xbf0b1e1500000000, 0x176e93cd00000000, + 0xb6fe842500000000, 0x1449cdc600000000, 0xb5d9da2e00000000, + 0x11202fdb00000000, 0xb0b0383300000000, 0x120771d000000000, + 0xb397663800000000, 0x33baf80f00000000, 0x922aefe700000000, + 0x309da60400000000, 0x910db1ec00000000, 0x35f4441900000000, + 0x946453f100000000, 0x36d31a1200000000, 0x97430dfa00000000, + 0x3f26802200000000, 0x9eb697ca00000000, 0x3c01de2900000000, + 0x9d91c9c100000000, 0x39683c3400000000, 0x98f82bdc00000000, + 0x3a4f623f00000000, 0x9bdf75d700000000, 0x2b82095500000000, + 0x8a121ebd00000000, 0x28a5575e00000000, 0x893540b600000000, + 0x2dccb54300000000, 0x8c5ca2ab00000000, 0x2eebeb4800000000, + 0x8f7bfca000000000, 0x271e717800000000, 0x868e669000000000, + 0x24392f7300000000, 0x85a9389b00000000, 0x2150cd6e00000000, + 0x80c0da8600000000, 0x2277936500000000, 0x83e7848d00000000, + 0x222caf0a00000000, 0x83bcb8e200000000, 0x210bf10100000000, + 0x809be6e900000000, 0x2462131c00000000, 0x85f204f400000000, + 0x27454d1700000000, 0x86d55aff00000000, 0x2eb0d72700000000, + 0x8f20c0cf00000000, 0x2d97892c00000000, 0x8c079ec400000000, + 0x28fe6b3100000000, 0x896e7cd900000000, 0x2bd9353a00000000, + 0x8a4922d200000000, 0x3a145e5000000000, 0x9b8449b800000000, + 0x3933005b00000000, 0x98a317b300000000, 0x3c5ae24600000000, + 0x9dcaf5ae00000000, 0x3f7dbc4d00000000, 0x9eedaba500000000, + 0x3688267d00000000, 0x9718319500000000, 0x35af787600000000, + 0x943f6f9e00000000, 0x30c69a6b00000000, 0x91568d8300000000, + 0x33e1c46000000000, 0x9271d38800000000, 0x125c4dbf00000000, + 0xb3cc5a5700000000, 0x117b13b400000000, 0xb0eb045c00000000, + 0x1412f1a900000000, 0xb582e64100000000, 0x1735afa200000000, + 0xb6a5b84a00000000, 0x1ec0359200000000, 0xbf50227a00000000, + 0x1de76b9900000000, 0xbc777c7100000000, 0x188e898400000000, + 0xb91e9e6c00000000, 0x1ba9d78f00000000, 0xba39c06700000000, + 0x0a64bce500000000, 0xabf4ab0d00000000, 0x0943e2ee00000000, + 0xa8d3f50600000000, 0x0c2a00f300000000, 0xadba171b00000000, + 0x0f0d5ef800000000, 0xae9d491000000000, 0x06f8c4c800000000, + 0xa768d32000000000, 0x05df9ac300000000, 0xa44f8d2b00000000, + 0x00b678de00000000, 0xa1266f3600000000, 0x039126d500000000, + 0xa201313d00000000}, + {0x0000000000000000, 0xee8439a100000000, 0x9d0f029900000000, + 0x738b3b3800000000, 0x7b1975e900000000, 0x959d4c4800000000, + 0xe616777000000000, 0x08924ed100000000, 0xb7349b0900000000, + 0x59b0a2a800000000, 0x2a3b999000000000, 0xc4bfa03100000000, + 0xcc2deee000000000, 0x22a9d74100000000, 0x5122ec7900000000, + 0xbfa6d5d800000000, 0x6e69361300000000, 0x80ed0fb200000000, + 0xf366348a00000000, 0x1de20d2b00000000, 0x157043fa00000000, + 0xfbf47a5b00000000, 0x887f416300000000, 0x66fb78c200000000, + 0xd95dad1a00000000, 0x37d994bb00000000, 0x4452af8300000000, + 0xaad6962200000000, 0xa244d8f300000000, 0x4cc0e15200000000, + 0x3f4bda6a00000000, 0xd1cfe3cb00000000, 0xdcd26c2600000000, + 0x3256558700000000, 0x41dd6ebf00000000, 0xaf59571e00000000, + 0xa7cb19cf00000000, 0x494f206e00000000, 0x3ac41b5600000000, + 0xd44022f700000000, 0x6be6f72f00000000, 0x8562ce8e00000000, + 0xf6e9f5b600000000, 0x186dcc1700000000, 0x10ff82c600000000, + 0xfe7bbb6700000000, 0x8df0805f00000000, 0x6374b9fe00000000, + 0xb2bb5a3500000000, 0x5c3f639400000000, 0x2fb458ac00000000, + 0xc130610d00000000, 0xc9a22fdc00000000, 0x2726167d00000000, + 0x54ad2d4500000000, 0xba2914e400000000, 0x058fc13c00000000, + 0xeb0bf89d00000000, 0x9880c3a500000000, 0x7604fa0400000000, + 0x7e96b4d500000000, 0x90128d7400000000, 0xe399b64c00000000, + 0x0d1d8fed00000000, 0xb8a5d94c00000000, 0x5621e0ed00000000, + 0x25aadbd500000000, 0xcb2ee27400000000, 0xc3bcaca500000000, + 0x2d38950400000000, 0x5eb3ae3c00000000, 0xb037979d00000000, + 0x0f91424500000000, 0xe1157be400000000, 0x929e40dc00000000, + 0x7c1a797d00000000, 0x748837ac00000000, 0x9a0c0e0d00000000, + 0xe987353500000000, 0x07030c9400000000, 0xd6ccef5f00000000, + 0x3848d6fe00000000, 0x4bc3edc600000000, 0xa547d46700000000, + 0xadd59ab600000000, 0x4351a31700000000, 0x30da982f00000000, + 0xde5ea18e00000000, 0x61f8745600000000, 0x8f7c4df700000000, + 0xfcf776cf00000000, 0x12734f6e00000000, 0x1ae101bf00000000, + 0xf465381e00000000, 0x87ee032600000000, 0x696a3a8700000000, + 0x6477b56a00000000, 0x8af38ccb00000000, 0xf978b7f300000000, + 0x17fc8e5200000000, 0x1f6ec08300000000, 0xf1eaf92200000000, + 0x8261c21a00000000, 0x6ce5fbbb00000000, 0xd3432e6300000000, + 0x3dc717c200000000, 0x4e4c2cfa00000000, 0xa0c8155b00000000, + 0xa85a5b8a00000000, 0x46de622b00000000, 0x3555591300000000, + 0xdbd160b200000000, 0x0a1e837900000000, 0xe49abad800000000, + 0x971181e000000000, 0x7995b84100000000, 0x7107f69000000000, + 0x9f83cf3100000000, 0xec08f40900000000, 0x028ccda800000000, + 0xbd2a187000000000, 0x53ae21d100000000, 0x20251ae900000000, + 0xcea1234800000000, 0xc6336d9900000000, 0x28b7543800000000, + 0x5b3c6f0000000000, 0xb5b856a100000000, 0x704bb39900000000, + 0x9ecf8a3800000000, 0xed44b10000000000, 0x03c088a100000000, + 0x0b52c67000000000, 0xe5d6ffd100000000, 0x965dc4e900000000, + 0x78d9fd4800000000, 0xc77f289000000000, 0x29fb113100000000, + 0x5a702a0900000000, 0xb4f413a800000000, 0xbc665d7900000000, + 0x52e264d800000000, 0x21695fe000000000, 0xcfed664100000000, + 0x1e22858a00000000, 0xf0a6bc2b00000000, 0x832d871300000000, + 0x6da9beb200000000, 0x653bf06300000000, 0x8bbfc9c200000000, + 0xf834f2fa00000000, 0x16b0cb5b00000000, 0xa9161e8300000000, + 0x4792272200000000, 0x34191c1a00000000, 0xda9d25bb00000000, + 0xd20f6b6a00000000, 0x3c8b52cb00000000, 0x4f0069f300000000, + 0xa184505200000000, 0xac99dfbf00000000, 0x421de61e00000000, + 0x3196dd2600000000, 0xdf12e48700000000, 0xd780aa5600000000, + 0x390493f700000000, 0x4a8fa8cf00000000, 0xa40b916e00000000, + 0x1bad44b600000000, 0xf5297d1700000000, 0x86a2462f00000000, + 0x68267f8e00000000, 0x60b4315f00000000, 0x8e3008fe00000000, + 0xfdbb33c600000000, 0x133f0a6700000000, 0xc2f0e9ac00000000, + 0x2c74d00d00000000, 0x5fffeb3500000000, 0xb17bd29400000000, + 0xb9e99c4500000000, 0x576da5e400000000, 0x24e69edc00000000, + 0xca62a77d00000000, 0x75c472a500000000, 0x9b404b0400000000, + 0xe8cb703c00000000, 0x064f499d00000000, 0x0edd074c00000000, + 0xe0593eed00000000, 0x93d205d500000000, 0x7d563c7400000000, + 0xc8ee6ad500000000, 0x266a537400000000, 0x55e1684c00000000, + 0xbb6551ed00000000, 0xb3f71f3c00000000, 0x5d73269d00000000, + 0x2ef81da500000000, 0xc07c240400000000, 0x7fdaf1dc00000000, + 0x915ec87d00000000, 0xe2d5f34500000000, 0x0c51cae400000000, + 0x04c3843500000000, 0xea47bd9400000000, 0x99cc86ac00000000, + 0x7748bf0d00000000, 0xa6875cc600000000, 0x4803656700000000, + 0x3b885e5f00000000, 0xd50c67fe00000000, 0xdd9e292f00000000, + 0x331a108e00000000, 0x40912bb600000000, 0xae15121700000000, + 0x11b3c7cf00000000, 0xff37fe6e00000000, 0x8cbcc55600000000, + 0x6238fcf700000000, 0x6aaab22600000000, 0x842e8b8700000000, + 0xf7a5b0bf00000000, 0x1921891e00000000, 0x143c06f300000000, + 0xfab83f5200000000, 0x8933046a00000000, 0x67b73dcb00000000, + 0x6f25731a00000000, 0x81a14abb00000000, 0xf22a718300000000, + 0x1cae482200000000, 0xa3089dfa00000000, 0x4d8ca45b00000000, + 0x3e079f6300000000, 0xd083a6c200000000, 0xd811e81300000000, + 0x3695d1b200000000, 0x451eea8a00000000, 0xab9ad32b00000000, + 0x7a5530e000000000, 0x94d1094100000000, 0xe75a327900000000, + 0x09de0bd800000000, 0x014c450900000000, 0xefc87ca800000000, + 0x9c43479000000000, 0x72c77e3100000000, 0xcd61abe900000000, + 0x23e5924800000000, 0x506ea97000000000, 0xbeea90d100000000, + 0xb678de0000000000, 0x58fce7a100000000, 0x2b77dc9900000000, + 0xc5f3e53800000000}, + {0x0000000000000000, 0xfbf6134700000000, 0xf6ed278e00000000, + 0x0d1b34c900000000, 0xaddd3ec700000000, 0x562b2d8000000000, + 0x5b30194900000000, 0xa0c60a0e00000000, 0x1bbd0c5500000000, + 0xe04b1f1200000000, 0xed502bdb00000000, 0x16a6389c00000000, + 0xb660329200000000, 0x4d9621d500000000, 0x408d151c00000000, + 0xbb7b065b00000000, 0x367a19aa00000000, 0xcd8c0aed00000000, + 0xc0973e2400000000, 0x3b612d6300000000, 0x9ba7276d00000000, + 0x6051342a00000000, 0x6d4a00e300000000, 0x96bc13a400000000, + 0x2dc715ff00000000, 0xd63106b800000000, 0xdb2a327100000000, + 0x20dc213600000000, 0x801a2b3800000000, 0x7bec387f00000000, + 0x76f70cb600000000, 0x8d011ff100000000, 0x2df2438f00000000, + 0xd60450c800000000, 0xdb1f640100000000, 0x20e9774600000000, + 0x802f7d4800000000, 0x7bd96e0f00000000, 0x76c25ac600000000, + 0x8d34498100000000, 0x364f4fda00000000, 0xcdb95c9d00000000, + 0xc0a2685400000000, 0x3b547b1300000000, 0x9b92711d00000000, + 0x6064625a00000000, 0x6d7f569300000000, 0x968945d400000000, + 0x1b885a2500000000, 0xe07e496200000000, 0xed657dab00000000, + 0x16936eec00000000, 0xb65564e200000000, 0x4da377a500000000, + 0x40b8436c00000000, 0xbb4e502b00000000, 0x0035567000000000, + 0xfbc3453700000000, 0xf6d871fe00000000, 0x0d2e62b900000000, + 0xade868b700000000, 0x561e7bf000000000, 0x5b054f3900000000, + 0xa0f35c7e00000000, 0x1be2f6c500000000, 0xe014e58200000000, + 0xed0fd14b00000000, 0x16f9c20c00000000, 0xb63fc80200000000, + 0x4dc9db4500000000, 0x40d2ef8c00000000, 0xbb24fccb00000000, + 0x005ffa9000000000, 0xfba9e9d700000000, 0xf6b2dd1e00000000, + 0x0d44ce5900000000, 0xad82c45700000000, 0x5674d71000000000, + 0x5b6fe3d900000000, 0xa099f09e00000000, 0x2d98ef6f00000000, + 0xd66efc2800000000, 0xdb75c8e100000000, 0x2083dba600000000, + 0x8045d1a800000000, 0x7bb3c2ef00000000, 0x76a8f62600000000, + 0x8d5ee56100000000, 0x3625e33a00000000, 0xcdd3f07d00000000, + 0xc0c8c4b400000000, 0x3b3ed7f300000000, 0x9bf8ddfd00000000, + 0x600eceba00000000, 0x6d15fa7300000000, 0x96e3e93400000000, + 0x3610b54a00000000, 0xcde6a60d00000000, 0xc0fd92c400000000, + 0x3b0b818300000000, 0x9bcd8b8d00000000, 0x603b98ca00000000, + 0x6d20ac0300000000, 0x96d6bf4400000000, 0x2dadb91f00000000, + 0xd65baa5800000000, 0xdb409e9100000000, 0x20b68dd600000000, + 0x807087d800000000, 0x7b86949f00000000, 0x769da05600000000, + 0x8d6bb31100000000, 0x006aace000000000, 0xfb9cbfa700000000, + 0xf6878b6e00000000, 0x0d71982900000000, 0xadb7922700000000, + 0x5641816000000000, 0x5b5ab5a900000000, 0xa0aca6ee00000000, + 0x1bd7a0b500000000, 0xe021b3f200000000, 0xed3a873b00000000, + 0x16cc947c00000000, 0xb60a9e7200000000, 0x4dfc8d3500000000, + 0x40e7b9fc00000000, 0xbb11aabb00000000, 0x77c29c5000000000, + 0x8c348f1700000000, 0x812fbbde00000000, 0x7ad9a89900000000, + 0xda1fa29700000000, 0x21e9b1d000000000, 0x2cf2851900000000, + 0xd704965e00000000, 0x6c7f900500000000, 0x9789834200000000, + 0x9a92b78b00000000, 0x6164a4cc00000000, 0xc1a2aec200000000, + 0x3a54bd8500000000, 0x374f894c00000000, 0xccb99a0b00000000, + 0x41b885fa00000000, 0xba4e96bd00000000, 0xb755a27400000000, + 0x4ca3b13300000000, 0xec65bb3d00000000, 0x1793a87a00000000, + 0x1a889cb300000000, 0xe17e8ff400000000, 0x5a0589af00000000, + 0xa1f39ae800000000, 0xace8ae2100000000, 0x571ebd6600000000, + 0xf7d8b76800000000, 0x0c2ea42f00000000, 0x013590e600000000, + 0xfac383a100000000, 0x5a30dfdf00000000, 0xa1c6cc9800000000, + 0xacddf85100000000, 0x572beb1600000000, 0xf7ede11800000000, + 0x0c1bf25f00000000, 0x0100c69600000000, 0xfaf6d5d100000000, + 0x418dd38a00000000, 0xba7bc0cd00000000, 0xb760f40400000000, + 0x4c96e74300000000, 0xec50ed4d00000000, 0x17a6fe0a00000000, + 0x1abdcac300000000, 0xe14bd98400000000, 0x6c4ac67500000000, + 0x97bcd53200000000, 0x9aa7e1fb00000000, 0x6151f2bc00000000, + 0xc197f8b200000000, 0x3a61ebf500000000, 0x377adf3c00000000, + 0xcc8ccc7b00000000, 0x77f7ca2000000000, 0x8c01d96700000000, + 0x811aedae00000000, 0x7aecfee900000000, 0xda2af4e700000000, + 0x21dce7a000000000, 0x2cc7d36900000000, 0xd731c02e00000000, + 0x6c206a9500000000, 0x97d679d200000000, 0x9acd4d1b00000000, + 0x613b5e5c00000000, 0xc1fd545200000000, 0x3a0b471500000000, + 0x371073dc00000000, 0xcce6609b00000000, 0x779d66c000000000, + 0x8c6b758700000000, 0x8170414e00000000, 0x7a86520900000000, + 0xda40580700000000, 0x21b64b4000000000, 0x2cad7f8900000000, + 0xd75b6cce00000000, 0x5a5a733f00000000, 0xa1ac607800000000, + 0xacb754b100000000, 0x574147f600000000, 0xf7874df800000000, + 0x0c715ebf00000000, 0x016a6a7600000000, 0xfa9c793100000000, + 0x41e77f6a00000000, 0xba116c2d00000000, 0xb70a58e400000000, + 0x4cfc4ba300000000, 0xec3a41ad00000000, 0x17cc52ea00000000, + 0x1ad7662300000000, 0xe121756400000000, 0x41d2291a00000000, + 0xba243a5d00000000, 0xb73f0e9400000000, 0x4cc91dd300000000, + 0xec0f17dd00000000, 0x17f9049a00000000, 0x1ae2305300000000, + 0xe114231400000000, 0x5a6f254f00000000, 0xa199360800000000, + 0xac8202c100000000, 0x5774118600000000, 0xf7b21b8800000000, + 0x0c4408cf00000000, 0x015f3c0600000000, 0xfaa92f4100000000, + 0x77a830b000000000, 0x8c5e23f700000000, 0x8145173e00000000, + 0x7ab3047900000000, 0xda750e7700000000, 0x21831d3000000000, + 0x2c9829f900000000, 0xd76e3abe00000000, 0x6c153ce500000000, + 0x97e32fa200000000, 0x9af81b6b00000000, 0x610e082c00000000, + 0xc1c8022200000000, 0x3a3e116500000000, 0x372525ac00000000, + 0xccd336eb00000000}, + {0x0000000000000000, 0x6238282a00000000, 0xc470505400000000, + 0xa648787e00000000, 0x88e1a0a800000000, 0xead9888200000000, + 0x4c91f0fc00000000, 0x2ea9d8d600000000, 0x51c5308a00000000, + 0x33fd18a000000000, 0x95b560de00000000, 0xf78d48f400000000, + 0xd924902200000000, 0xbb1cb80800000000, 0x1d54c07600000000, + 0x7f6ce85c00000000, 0xe38c10cf00000000, 0x81b438e500000000, + 0x27fc409b00000000, 0x45c468b100000000, 0x6b6db06700000000, + 0x0955984d00000000, 0xaf1de03300000000, 0xcd25c81900000000, + 0xb249204500000000, 0xd071086f00000000, 0x7639701100000000, + 0x1401583b00000000, 0x3aa880ed00000000, 0x5890a8c700000000, + 0xfed8d0b900000000, 0x9ce0f89300000000, 0x871f504500000000, + 0xe527786f00000000, 0x436f001100000000, 0x2157283b00000000, + 0x0ffef0ed00000000, 0x6dc6d8c700000000, 0xcb8ea0b900000000, + 0xa9b6889300000000, 0xd6da60cf00000000, 0xb4e248e500000000, + 0x12aa309b00000000, 0x709218b100000000, 0x5e3bc06700000000, + 0x3c03e84d00000000, 0x9a4b903300000000, 0xf873b81900000000, + 0x6493408a00000000, 0x06ab68a000000000, 0xa0e310de00000000, + 0xc2db38f400000000, 0xec72e02200000000, 0x8e4ac80800000000, + 0x2802b07600000000, 0x4a3a985c00000000, 0x3556700000000000, + 0x576e582a00000000, 0xf126205400000000, 0x931e087e00000000, + 0xbdb7d0a800000000, 0xdf8ff88200000000, 0x79c780fc00000000, + 0x1bffa8d600000000, 0x0e3fa08a00000000, 0x6c0788a000000000, + 0xca4ff0de00000000, 0xa877d8f400000000, 0x86de002200000000, + 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0x822b7adb00000000, 0x3787205b00000000, + 0xa41ce92400000000, 0x06084ac800000000, 0x959383b700000000, + 0x203fd93700000000, 0xb3a4104800000000, 0x0b601dec00000000, + 0x98fbd49300000000, 0x2d578e1300000000, 0xbecc476c00000000, + 0x2878b91100000000, 0xbbe3706e00000000, 0x0e4f2aee00000000, + 0x9dd4e39100000000, 0x2510ee3500000000, 0xb68b274a00000000, + 0x03277dca00000000, 0x90bcb4b500000000, 0x32a8175900000000, + 0xa133de2600000000, 0x149f84a600000000, 0x87044dd900000000, + 0x3fc0407d00000000, 0xac5b890200000000, 0x19f7d38200000000, + 0x8a6c1afd00000000}, + {0x0000000000000000, 0x650b796900000000, 0xca16f2d200000000, + 0xaf1d8bbb00000000, 0xd52b957e00000000, 0xb020ec1700000000, + 0x1f3d67ac00000000, 0x7a361ec500000000, 0xaa572afd00000000, + 0xcf5c539400000000, 0x6041d82f00000000, 0x054aa14600000000, + 0x7f7cbf8300000000, 0x1a77c6ea00000000, 0xb56a4d5100000000, + 0xd061343800000000, 0x15a9252100000000, 0x70a25c4800000000, + 0xdfbfd7f300000000, 0xbab4ae9a00000000, 0xc082b05f00000000, + 0xa589c93600000000, 0x0a94428d00000000, 0x6f9f3be400000000, + 0xbffe0fdc00000000, 0xdaf576b500000000, 0x75e8fd0e00000000, + 0x10e3846700000000, 0x6ad59aa200000000, 0x0fdee3cb00000000, + 0xa0c3687000000000, 0xc5c8111900000000, 0x2a524b4200000000, + 0x4f59322b00000000, 0xe044b99000000000, 0x854fc0f900000000, + 0xff79de3c00000000, 0x9a72a75500000000, 0x356f2cee00000000, + 0x5064558700000000, 0x800561bf00000000, 0xe50e18d600000000, + 0x4a13936d00000000, 0x2f18ea0400000000, 0x552ef4c100000000, + 0x30258da800000000, 0x9f38061300000000, 0xfa337f7a00000000, + 0x3ffb6e6300000000, 0x5af0170a00000000, 0xf5ed9cb100000000, + 0x90e6e5d800000000, 0xead0fb1d00000000, 0x8fdb827400000000, + 0x20c609cf00000000, 0x45cd70a600000000, 0x95ac449e00000000, + 0xf0a73df700000000, 0x5fbab64c00000000, 0x3ab1cf2500000000, + 0x4087d1e000000000, 0x258ca88900000000, 0x8a91233200000000, + 0xef9a5a5b00000000, 0x54a4968400000000, 0x31afefed00000000, + 0x9eb2645600000000, 0xfbb91d3f00000000, 0x818f03fa00000000, + 0xe4847a9300000000, 0x4b99f12800000000, 0x2e92884100000000, + 0xfef3bc7900000000, 0x9bf8c51000000000, 0x34e54eab00000000, + 0x51ee37c200000000, 0x2bd8290700000000, 0x4ed3506e00000000, + 0xe1cedbd500000000, 0x84c5a2bc00000000, 0x410db3a500000000, + 0x2406cacc00000000, 0x8b1b417700000000, 0xee10381e00000000, + 0x942626db00000000, 0xf12d5fb200000000, 0x5e30d40900000000, + 0x3b3bad6000000000, 0xeb5a995800000000, 0x8e51e03100000000, + 0x214c6b8a00000000, 0x444712e300000000, 0x3e710c2600000000, + 0x5b7a754f00000000, 0xf467fef400000000, 0x916c879d00000000, + 0x7ef6ddc600000000, 0x1bfda4af00000000, 0xb4e02f1400000000, + 0xd1eb567d00000000, 0xabdd48b800000000, 0xced631d100000000, + 0x61cbba6a00000000, 0x04c0c30300000000, 0xd4a1f73b00000000, + 0xb1aa8e5200000000, 0x1eb705e900000000, 0x7bbc7c8000000000, + 0x018a624500000000, 0x64811b2c00000000, 0xcb9c909700000000, + 0xae97e9fe00000000, 0x6b5ff8e700000000, 0x0e54818e00000000, + 0xa1490a3500000000, 0xc442735c00000000, 0xbe746d9900000000, + 0xdb7f14f000000000, 0x74629f4b00000000, 0x1169e62200000000, + 0xc108d21a00000000, 0xa403ab7300000000, 0x0b1e20c800000000, + 0x6e1559a100000000, 0x1423476400000000, 0x71283e0d00000000, + 0xde35b5b600000000, 0xbb3eccdf00000000, 0xe94e5cd200000000, + 0x8c4525bb00000000, 0x2358ae0000000000, 0x4653d76900000000, + 0x3c65c9ac00000000, 0x596eb0c500000000, 0xf6733b7e00000000, + 0x9378421700000000, 0x4319762f00000000, 0x26120f4600000000, + 0x890f84fd00000000, 0xec04fd9400000000, 0x9632e35100000000, + 0xf3399a3800000000, 0x5c24118300000000, 0x392f68ea00000000, + 0xfce779f300000000, 0x99ec009a00000000, 0x36f18b2100000000, + 0x53faf24800000000, 0x29ccec8d00000000, 0x4cc795e400000000, + 0xe3da1e5f00000000, 0x86d1673600000000, 0x56b0530e00000000, + 0x33bb2a6700000000, 0x9ca6a1dc00000000, 0xf9add8b500000000, + 0x839bc67000000000, 0xe690bf1900000000, 0x498d34a200000000, + 0x2c864dcb00000000, 0xc31c179000000000, 0xa6176ef900000000, + 0x090ae54200000000, 0x6c019c2b00000000, 0x163782ee00000000, + 0x733cfb8700000000, 0xdc21703c00000000, 0xb92a095500000000, + 0x694b3d6d00000000, 0x0c40440400000000, 0xa35dcfbf00000000, + 0xc656b6d600000000, 0xbc60a81300000000, 0xd96bd17a00000000, + 0x76765ac100000000, 0x137d23a800000000, 0xd6b532b100000000, + 0xb3be4bd800000000, 0x1ca3c06300000000, 0x79a8b90a00000000, + 0x039ea7cf00000000, 0x6695dea600000000, 0xc988551d00000000, + 0xac832c7400000000, 0x7ce2184c00000000, 0x19e9612500000000, + 0xb6f4ea9e00000000, 0xd3ff93f700000000, 0xa9c98d3200000000, + 0xccc2f45b00000000, 0x63df7fe000000000, 0x06d4068900000000, + 0xbdeaca5600000000, 0xd8e1b33f00000000, 0x77fc388400000000, + 0x12f741ed00000000, 0x68c15f2800000000, 0x0dca264100000000, + 0xa2d7adfa00000000, 0xc7dcd49300000000, 0x17bde0ab00000000, + 0x72b699c200000000, 0xddab127900000000, 0xb8a06b1000000000, + 0xc29675d500000000, 0xa79d0cbc00000000, 0x0880870700000000, + 0x6d8bfe6e00000000, 0xa843ef7700000000, 0xcd48961e00000000, + 0x62551da500000000, 0x075e64cc00000000, 0x7d687a0900000000, + 0x1863036000000000, 0xb77e88db00000000, 0xd275f1b200000000, + 0x0214c58a00000000, 0x671fbce300000000, 0xc802375800000000, + 0xad094e3100000000, 0xd73f50f400000000, 0xb234299d00000000, + 0x1d29a22600000000, 0x7822db4f00000000, 0x97b8811400000000, + 0xf2b3f87d00000000, 0x5dae73c600000000, 0x38a50aaf00000000, + 0x4293146a00000000, 0x27986d0300000000, 0x8885e6b800000000, + 0xed8e9fd100000000, 0x3defabe900000000, 0x58e4d28000000000, + 0xf7f9593b00000000, 0x92f2205200000000, 0xe8c43e9700000000, + 0x8dcf47fe00000000, 0x22d2cc4500000000, 0x47d9b52c00000000, + 0x8211a43500000000, 0xe71add5c00000000, 0x480756e700000000, + 0x2d0c2f8e00000000, 0x573a314b00000000, 0x3231482200000000, + 0x9d2cc39900000000, 0xf827baf000000000, 0x28468ec800000000, + 0x4d4df7a100000000, 0xe2507c1a00000000, 0x875b057300000000, + 0xfd6d1bb600000000, 0x986662df00000000, 0x377be96400000000, + 0x5270900d00000000}, + {0x0000000000000000, 0xdcecb13d00000000, 0xb8d9637b00000000, + 0x6435d24600000000, 0x70b3c7f600000000, 0xac5f76cb00000000, + 0xc86aa48d00000000, 0x148615b000000000, 0xa160fe3600000000, + 0x7d8c4f0b00000000, 0x19b99d4d00000000, 0xc5552c7000000000, + 0xd1d339c000000000, 0x0d3f88fd00000000, 0x690a5abb00000000, + 0xb5e6eb8600000000, 0x42c1fc6d00000000, 0x9e2d4d5000000000, + 0xfa189f1600000000, 0x26f42e2b00000000, 0x32723b9b00000000, + 0xee9e8aa600000000, 0x8aab58e000000000, 0x5647e9dd00000000, + 0xe3a1025b00000000, 0x3f4db36600000000, 0x5b78612000000000, + 0x8794d01d00000000, 0x9312c5ad00000000, 0x4ffe749000000000, + 0x2bcba6d600000000, 0xf72717eb00000000, 0x8482f9db00000000, + 0x586e48e600000000, 0x3c5b9aa000000000, 0xe0b72b9d00000000, + 0xf4313e2d00000000, 0x28dd8f1000000000, 0x4ce85d5600000000, + 0x9004ec6b00000000, 0x25e207ed00000000, 0xf90eb6d000000000, + 0x9d3b649600000000, 0x41d7d5ab00000000, 0x5551c01b00000000, + 0x89bd712600000000, 0xed88a36000000000, 0x3164125d00000000, + 0xc64305b600000000, 0x1aafb48b00000000, 0x7e9a66cd00000000, + 0xa276d7f000000000, 0xb6f0c24000000000, 0x6a1c737d00000000, + 0x0e29a13b00000000, 0xd2c5100600000000, 0x6723fb8000000000, + 0xbbcf4abd00000000, 0xdffa98fb00000000, 0x031629c600000000, + 0x17903c7600000000, 0xcb7c8d4b00000000, 0xaf495f0d00000000, + 0x73a5ee3000000000, 0x4903826c00000000, 0x95ef335100000000, + 0xf1dae11700000000, 0x2d36502a00000000, 0x39b0459a00000000, + 0xe55cf4a700000000, 0x816926e100000000, 0x5d8597dc00000000, + 0xe8637c5a00000000, 0x348fcd6700000000, 0x50ba1f2100000000, + 0x8c56ae1c00000000, 0x98d0bbac00000000, 0x443c0a9100000000, + 0x2009d8d700000000, 0xfce569ea00000000, 0x0bc27e0100000000, + 0xd72ecf3c00000000, 0xb31b1d7a00000000, 0x6ff7ac4700000000, + 0x7b71b9f700000000, 0xa79d08ca00000000, 0xc3a8da8c00000000, + 0x1f446bb100000000, 0xaaa2803700000000, 0x764e310a00000000, + 0x127be34c00000000, 0xce97527100000000, 0xda1147c100000000, + 0x06fdf6fc00000000, 0x62c824ba00000000, 0xbe24958700000000, + 0xcd817bb700000000, 0x116dca8a00000000, 0x755818cc00000000, + 0xa9b4a9f100000000, 0xbd32bc4100000000, 0x61de0d7c00000000, + 0x05ebdf3a00000000, 0xd9076e0700000000, 0x6ce1858100000000, + 0xb00d34bc00000000, 0xd438e6fa00000000, 0x08d457c700000000, + 0x1c52427700000000, 0xc0bef34a00000000, 0xa48b210c00000000, + 0x7867903100000000, 0x8f4087da00000000, 0x53ac36e700000000, + 0x3799e4a100000000, 0xeb75559c00000000, 0xfff3402c00000000, + 0x231ff11100000000, 0x472a235700000000, 0x9bc6926a00000000, + 0x2e2079ec00000000, 0xf2ccc8d100000000, 0x96f91a9700000000, + 0x4a15abaa00000000, 0x5e93be1a00000000, 0x827f0f2700000000, + 0xe64add6100000000, 0x3aa66c5c00000000, 0x920604d900000000, + 0x4eeab5e400000000, 0x2adf67a200000000, 0xf633d69f00000000, + 0xe2b5c32f00000000, 0x3e59721200000000, 0x5a6ca05400000000, + 0x8680116900000000, 0x3366faef00000000, 0xef8a4bd200000000, + 0x8bbf999400000000, 0x575328a900000000, 0x43d53d1900000000, + 0x9f398c2400000000, 0xfb0c5e6200000000, 0x27e0ef5f00000000, + 0xd0c7f8b400000000, 0x0c2b498900000000, 0x681e9bcf00000000, + 0xb4f22af200000000, 0xa0743f4200000000, 0x7c988e7f00000000, + 0x18ad5c3900000000, 0xc441ed0400000000, 0x71a7068200000000, + 0xad4bb7bf00000000, 0xc97e65f900000000, 0x1592d4c400000000, + 0x0114c17400000000, 0xddf8704900000000, 0xb9cda20f00000000, + 0x6521133200000000, 0x1684fd0200000000, 0xca684c3f00000000, + 0xae5d9e7900000000, 0x72b12f4400000000, 0x66373af400000000, + 0xbadb8bc900000000, 0xdeee598f00000000, 0x0202e8b200000000, + 0xb7e4033400000000, 0x6b08b20900000000, 0x0f3d604f00000000, + 0xd3d1d17200000000, 0xc757c4c200000000, 0x1bbb75ff00000000, + 0x7f8ea7b900000000, 0xa362168400000000, 0x5445016f00000000, + 0x88a9b05200000000, 0xec9c621400000000, 0x3070d32900000000, + 0x24f6c69900000000, 0xf81a77a400000000, 0x9c2fa5e200000000, + 0x40c314df00000000, 0xf525ff5900000000, 0x29c94e6400000000, + 0x4dfc9c2200000000, 0x91102d1f00000000, 0x859638af00000000, + 0x597a899200000000, 0x3d4f5bd400000000, 0xe1a3eae900000000, + 0xdb0586b500000000, 0x07e9378800000000, 0x63dce5ce00000000, + 0xbf3054f300000000, 0xabb6414300000000, 0x775af07e00000000, + 0x136f223800000000, 0xcf83930500000000, 0x7a65788300000000, + 0xa689c9be00000000, 0xc2bc1bf800000000, 0x1e50aac500000000, + 0x0ad6bf7500000000, 0xd63a0e4800000000, 0xb20fdc0e00000000, + 0x6ee36d3300000000, 0x99c47ad800000000, 0x4528cbe500000000, + 0x211d19a300000000, 0xfdf1a89e00000000, 0xe977bd2e00000000, + 0x359b0c1300000000, 0x51aede5500000000, 0x8d426f6800000000, + 0x38a484ee00000000, 0xe44835d300000000, 0x807de79500000000, + 0x5c9156a800000000, 0x4817431800000000, 0x94fbf22500000000, + 0xf0ce206300000000, 0x2c22915e00000000, 0x5f877f6e00000000, + 0x836bce5300000000, 0xe75e1c1500000000, 0x3bb2ad2800000000, + 0x2f34b89800000000, 0xf3d809a500000000, 0x97eddbe300000000, + 0x4b016ade00000000, 0xfee7815800000000, 0x220b306500000000, + 0x463ee22300000000, 0x9ad2531e00000000, 0x8e5446ae00000000, + 0x52b8f79300000000, 0x368d25d500000000, 0xea6194e800000000, + 0x1d46830300000000, 0xc1aa323e00000000, 0xa59fe07800000000, + 0x7973514500000000, 0x6df544f500000000, 0xb119f5c800000000, + 0xd52c278e00000000, 0x09c096b300000000, 0xbc267d3500000000, + 0x60cacc0800000000, 0x04ff1e4e00000000, 0xd813af7300000000, + 0xcc95bac300000000, 0x10790bfe00000000, 0x744cd9b800000000, + 0xa8a0688500000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x81256527, 0xd93bcc0f, 0x581ea928, 0x69069e5f, + 0xe823fb78, 0xb03d5250, 0x31183777, 0xd20d3cbe, 0x53285999, + 0x0b36f0b1, 0x8a139596, 0xbb0ba2e1, 0x3a2ec7c6, 0x62306eee, + 0xe3150bc9, 0x7f6b7f3d, 0xfe4e1a1a, 0xa650b332, 0x2775d615, + 0x166de162, 0x97488445, 0xcf562d6d, 0x4e73484a, 0xad664383, + 0x2c4326a4, 0x745d8f8c, 0xf578eaab, 0xc460dddc, 0x4545b8fb, + 0x1d5b11d3, 0x9c7e74f4, 0xfed6fe7a, 0x7ff39b5d, 0x27ed3275, + 0xa6c85752, 0x97d06025, 0x16f50502, 0x4eebac2a, 0xcfcec90d, + 0x2cdbc2c4, 0xadfea7e3, 0xf5e00ecb, 0x74c56bec, 0x45dd5c9b, + 0xc4f839bc, 0x9ce69094, 0x1dc3f5b3, 0x81bd8147, 0x0098e460, + 0x58864d48, 0xd9a3286f, 0xe8bb1f18, 0x699e7a3f, 0x3180d317, + 0xb0a5b630, 0x53b0bdf9, 0xd295d8de, 0x8a8b71f6, 0x0bae14d1, + 0x3ab623a6, 0xbb934681, 0xe38defa9, 0x62a88a8e, 0x26dcfab5, + 0xa7f99f92, 0xffe736ba, 0x7ec2539d, 0x4fda64ea, 0xceff01cd, + 0x96e1a8e5, 0x17c4cdc2, 0xf4d1c60b, 0x75f4a32c, 0x2dea0a04, + 0xaccf6f23, 0x9dd75854, 0x1cf23d73, 0x44ec945b, 0xc5c9f17c, + 0x59b78588, 0xd892e0af, 0x808c4987, 0x01a92ca0, 0x30b11bd7, + 0xb1947ef0, 0xe98ad7d8, 0x68afb2ff, 0x8bbab936, 0x0a9fdc11, + 0x52817539, 0xd3a4101e, 0xe2bc2769, 0x6399424e, 0x3b87eb66, + 0xbaa28e41, 0xd80a04cf, 0x592f61e8, 0x0131c8c0, 0x8014ade7, + 0xb10c9a90, 0x3029ffb7, 0x6837569f, 0xe91233b8, 0x0a073871, + 0x8b225d56, 0xd33cf47e, 0x52199159, 0x6301a62e, 0xe224c309, + 0xba3a6a21, 0x3b1f0f06, 0xa7617bf2, 0x26441ed5, 0x7e5ab7fd, + 0xff7fd2da, 0xce67e5ad, 0x4f42808a, 0x175c29a2, 0x96794c85, + 0x756c474c, 0xf449226b, 0xac578b43, 0x2d72ee64, 0x1c6ad913, + 0x9d4fbc34, 0xc551151c, 0x4474703b, 0x4db9f56a, 0xcc9c904d, + 0x94823965, 0x15a75c42, 0x24bf6b35, 0xa59a0e12, 0xfd84a73a, + 0x7ca1c21d, 0x9fb4c9d4, 0x1e91acf3, 0x468f05db, 0xc7aa60fc, + 0xf6b2578b, 0x779732ac, 0x2f899b84, 0xaeacfea3, 0x32d28a57, + 0xb3f7ef70, 0xebe94658, 0x6acc237f, 0x5bd41408, 0xdaf1712f, + 0x82efd807, 0x03cabd20, 0xe0dfb6e9, 0x61fad3ce, 0x39e47ae6, + 0xb8c11fc1, 0x89d928b6, 0x08fc4d91, 0x50e2e4b9, 0xd1c7819e, + 0xb36f0b10, 0x324a6e37, 0x6a54c71f, 0xeb71a238, 0xda69954f, + 0x5b4cf068, 0x03525940, 0x82773c67, 0x616237ae, 0xe0475289, + 0xb859fba1, 0x397c9e86, 0x0864a9f1, 0x8941ccd6, 0xd15f65fe, + 0x507a00d9, 0xcc04742d, 0x4d21110a, 0x153fb822, 0x941add05, + 0xa502ea72, 0x24278f55, 0x7c39267d, 0xfd1c435a, 0x1e094893, + 0x9f2c2db4, 0xc732849c, 0x4617e1bb, 0x770fd6cc, 0xf62ab3eb, + 0xae341ac3, 0x2f117fe4, 0x6b650fdf, 0xea406af8, 0xb25ec3d0, + 0x337ba6f7, 0x02639180, 0x8346f4a7, 0xdb585d8f, 0x5a7d38a8, + 0xb9683361, 0x384d5646, 0x6053ff6e, 0xe1769a49, 0xd06ead3e, + 0x514bc819, 0x09556131, 0x88700416, 0x140e70e2, 0x952b15c5, + 0xcd35bced, 0x4c10d9ca, 0x7d08eebd, 0xfc2d8b9a, 0xa43322b2, + 0x25164795, 0xc6034c5c, 0x4726297b, 0x1f388053, 0x9e1de574, + 0xaf05d203, 0x2e20b724, 0x763e1e0c, 0xf71b7b2b, 0x95b3f1a5, + 0x14969482, 0x4c883daa, 0xcdad588d, 0xfcb56ffa, 0x7d900add, + 0x258ea3f5, 0xa4abc6d2, 0x47becd1b, 0xc69ba83c, 0x9e850114, + 0x1fa06433, 0x2eb85344, 0xaf9d3663, 0xf7839f4b, 0x76a6fa6c, + 0xead88e98, 0x6bfdebbf, 0x33e34297, 0xb2c627b0, 0x83de10c7, + 0x02fb75e0, 0x5ae5dcc8, 0xdbc0b9ef, 0x38d5b226, 0xb9f0d701, + 0xe1ee7e29, 0x60cb1b0e, 0x51d32c79, 0xd0f6495e, 0x88e8e076, + 0x09cd8551}, + {0x00000000, 0x9b73ead4, 0xed96d3e9, 0x76e5393d, 0x005ca193, + 0x9b2f4b47, 0xedca727a, 0x76b998ae, 0x00b94326, 0x9bcaa9f2, + 0xed2f90cf, 0x765c7a1b, 0x00e5e2b5, 0x9b960861, 0xed73315c, + 0x7600db88, 0x0172864c, 0x9a016c98, 0xece455a5, 0x7797bf71, + 0x012e27df, 0x9a5dcd0b, 0xecb8f436, 0x77cb1ee2, 0x01cbc56a, + 0x9ab82fbe, 0xec5d1683, 0x772efc57, 0x019764f9, 0x9ae48e2d, + 0xec01b710, 0x77725dc4, 0x02e50c98, 0x9996e64c, 0xef73df71, + 0x740035a5, 0x02b9ad0b, 0x99ca47df, 0xef2f7ee2, 0x745c9436, + 0x025c4fbe, 0x992fa56a, 0xefca9c57, 0x74b97683, 0x0200ee2d, + 0x997304f9, 0xef963dc4, 0x74e5d710, 0x03978ad4, 0x98e46000, + 0xee01593d, 0x7572b3e9, 0x03cb2b47, 0x98b8c193, 0xee5df8ae, + 0x752e127a, 0x032ec9f2, 0x985d2326, 0xeeb81a1b, 0x75cbf0cf, + 0x03726861, 0x980182b5, 0xeee4bb88, 0x7597515c, 0x05ca1930, + 0x9eb9f3e4, 0xe85ccad9, 0x732f200d, 0x0596b8a3, 0x9ee55277, + 0xe8006b4a, 0x7373819e, 0x05735a16, 0x9e00b0c2, 0xe8e589ff, + 0x7396632b, 0x052ffb85, 0x9e5c1151, 0xe8b9286c, 0x73cac2b8, + 0x04b89f7c, 0x9fcb75a8, 0xe92e4c95, 0x725da641, 0x04e43eef, + 0x9f97d43b, 0xe972ed06, 0x720107d2, 0x0401dc5a, 0x9f72368e, + 0xe9970fb3, 0x72e4e567, 0x045d7dc9, 0x9f2e971d, 0xe9cbae20, + 0x72b844f4, 0x072f15a8, 0x9c5cff7c, 0xeab9c641, 0x71ca2c95, + 0x0773b43b, 0x9c005eef, 0xeae567d2, 0x71968d06, 0x0796568e, + 0x9ce5bc5a, 0xea008567, 0x71736fb3, 0x07caf71d, 0x9cb91dc9, + 0xea5c24f4, 0x712fce20, 0x065d93e4, 0x9d2e7930, 0xebcb400d, + 0x70b8aad9, 0x06013277, 0x9d72d8a3, 0xeb97e19e, 0x70e40b4a, + 0x06e4d0c2, 0x9d973a16, 0xeb72032b, 0x7001e9ff, 0x06b87151, + 0x9dcb9b85, 0xeb2ea2b8, 0x705d486c, 0x0b943260, 0x90e7d8b4, + 0xe602e189, 0x7d710b5d, 0x0bc893f3, 0x90bb7927, 0xe65e401a, + 0x7d2daace, 0x0b2d7146, 0x905e9b92, 0xe6bba2af, 0x7dc8487b, + 0x0b71d0d5, 0x90023a01, 0xe6e7033c, 0x7d94e9e8, 0x0ae6b42c, + 0x91955ef8, 0xe77067c5, 0x7c038d11, 0x0aba15bf, 0x91c9ff6b, + 0xe72cc656, 0x7c5f2c82, 0x0a5ff70a, 0x912c1dde, 0xe7c924e3, + 0x7cbace37, 0x0a035699, 0x9170bc4d, 0xe7958570, 0x7ce66fa4, + 0x09713ef8, 0x9202d42c, 0xe4e7ed11, 0x7f9407c5, 0x092d9f6b, + 0x925e75bf, 0xe4bb4c82, 0x7fc8a656, 0x09c87dde, 0x92bb970a, + 0xe45eae37, 0x7f2d44e3, 0x0994dc4d, 0x92e73699, 0xe4020fa4, + 0x7f71e570, 0x0803b8b4, 0x93705260, 0xe5956b5d, 0x7ee68189, + 0x085f1927, 0x932cf3f3, 0xe5c9cace, 0x7eba201a, 0x08bafb92, + 0x93c91146, 0xe52c287b, 0x7e5fc2af, 0x08e65a01, 0x9395b0d5, + 0xe57089e8, 0x7e03633c, 0x0e5e2b50, 0x952dc184, 0xe3c8f8b9, + 0x78bb126d, 0x0e028ac3, 0x95716017, 0xe394592a, 0x78e7b3fe, + 0x0ee76876, 0x959482a2, 0xe371bb9f, 0x7802514b, 0x0ebbc9e5, + 0x95c82331, 0xe32d1a0c, 0x785ef0d8, 0x0f2cad1c, 0x945f47c8, + 0xe2ba7ef5, 0x79c99421, 0x0f700c8f, 0x9403e65b, 0xe2e6df66, + 0x799535b2, 0x0f95ee3a, 0x94e604ee, 0xe2033dd3, 0x7970d707, + 0x0fc94fa9, 0x94baa57d, 0xe25f9c40, 0x792c7694, 0x0cbb27c8, + 0x97c8cd1c, 0xe12df421, 0x7a5e1ef5, 0x0ce7865b, 0x97946c8f, + 0xe17155b2, 0x7a02bf66, 0x0c0264ee, 0x97718e3a, 0xe194b707, + 0x7ae75dd3, 0x0c5ec57d, 0x972d2fa9, 0xe1c81694, 0x7abbfc40, + 0x0dc9a184, 0x96ba4b50, 0xe05f726d, 0x7b2c98b9, 0x0d950017, + 0x96e6eac3, 0xe003d3fe, 0x7b70392a, 0x0d70e2a2, 0x96030876, + 0xe0e6314b, 0x7b95db9f, 0x0d2c4331, 0x965fa9e5, 0xe0ba90d8, + 0x7bc97a0c}, + {0x00000000, 0x172864c0, 0x2e50c980, 0x3978ad40, 0x5ca19300, + 0x4b89f7c0, 0x72f15a80, 0x65d93e40, 0xb9432600, 0xae6b42c0, + 0x9713ef80, 0x803b8b40, 0xe5e2b500, 0xf2cad1c0, 0xcbb27c80, + 0xdc9a1840, 0xa9f74a41, 0xbedf2e81, 0x87a783c1, 0x908fe701, + 0xf556d941, 0xe27ebd81, 0xdb0610c1, 0xcc2e7401, 0x10b46c41, + 0x079c0881, 0x3ee4a5c1, 0x29ccc101, 0x4c15ff41, 0x5b3d9b81, + 0x624536c1, 0x756d5201, 0x889f92c3, 0x9fb7f603, 0xa6cf5b43, + 0xb1e73f83, 0xd43e01c3, 0xc3166503, 0xfa6ec843, 0xed46ac83, + 0x31dcb4c3, 0x26f4d003, 0x1f8c7d43, 0x08a41983, 0x6d7d27c3, + 0x7a554303, 0x432dee43, 0x54058a83, 0x2168d882, 0x3640bc42, + 0x0f381102, 0x181075c2, 0x7dc94b82, 0x6ae12f42, 0x53998202, + 0x44b1e6c2, 0x982bfe82, 0x8f039a42, 0xb67b3702, 0xa15353c2, + 0xc48a6d82, 0xd3a20942, 0xeadaa402, 0xfdf2c0c2, 0xca4e23c7, + 0xdd664707, 0xe41eea47, 0xf3368e87, 0x96efb0c7, 0x81c7d407, + 0xb8bf7947, 0xaf971d87, 0x730d05c7, 0x64256107, 0x5d5dcc47, + 0x4a75a887, 0x2fac96c7, 0x3884f207, 0x01fc5f47, 0x16d43b87, + 0x63b96986, 0x74910d46, 0x4de9a006, 0x5ac1c4c6, 0x3f18fa86, + 0x28309e46, 0x11483306, 0x066057c6, 0xdafa4f86, 0xcdd22b46, + 0xf4aa8606, 0xe382e2c6, 0x865bdc86, 0x9173b846, 0xa80b1506, + 0xbf2371c6, 0x42d1b104, 0x55f9d5c4, 0x6c817884, 0x7ba91c44, + 0x1e702204, 0x095846c4, 0x3020eb84, 0x27088f44, 0xfb929704, + 0xecbaf3c4, 0xd5c25e84, 0xc2ea3a44, 0xa7330404, 0xb01b60c4, + 0x8963cd84, 0x9e4ba944, 0xeb26fb45, 0xfc0e9f85, 0xc57632c5, + 0xd25e5605, 0xb7876845, 0xa0af0c85, 0x99d7a1c5, 0x8effc505, + 0x5265dd45, 0x454db985, 0x7c3514c5, 0x6b1d7005, 0x0ec44e45, + 0x19ec2a85, 0x209487c5, 0x37bce305, 0x4fed41cf, 0x58c5250f, + 0x61bd884f, 0x7695ec8f, 0x134cd2cf, 0x0464b60f, 0x3d1c1b4f, + 0x2a347f8f, 0xf6ae67cf, 0xe186030f, 0xd8feae4f, 0xcfd6ca8f, + 0xaa0ff4cf, 0xbd27900f, 0x845f3d4f, 0x9377598f, 0xe61a0b8e, + 0xf1326f4e, 0xc84ac20e, 0xdf62a6ce, 0xbabb988e, 0xad93fc4e, + 0x94eb510e, 0x83c335ce, 0x5f592d8e, 0x4871494e, 0x7109e40e, + 0x662180ce, 0x03f8be8e, 0x14d0da4e, 0x2da8770e, 0x3a8013ce, + 0xc772d30c, 0xd05ab7cc, 0xe9221a8c, 0xfe0a7e4c, 0x9bd3400c, + 0x8cfb24cc, 0xb583898c, 0xa2abed4c, 0x7e31f50c, 0x691991cc, + 0x50613c8c, 0x4749584c, 0x2290660c, 0x35b802cc, 0x0cc0af8c, + 0x1be8cb4c, 0x6e85994d, 0x79adfd8d, 0x40d550cd, 0x57fd340d, + 0x32240a4d, 0x250c6e8d, 0x1c74c3cd, 0x0b5ca70d, 0xd7c6bf4d, + 0xc0eedb8d, 0xf99676cd, 0xeebe120d, 0x8b672c4d, 0x9c4f488d, + 0xa537e5cd, 0xb21f810d, 0x85a36208, 0x928b06c8, 0xabf3ab88, + 0xbcdbcf48, 0xd902f108, 0xce2a95c8, 0xf7523888, 0xe07a5c48, + 0x3ce04408, 0x2bc820c8, 0x12b08d88, 0x0598e948, 0x6041d708, + 0x7769b3c8, 0x4e111e88, 0x59397a48, 0x2c542849, 0x3b7c4c89, + 0x0204e1c9, 0x152c8509, 0x70f5bb49, 0x67dddf89, 0x5ea572c9, + 0x498d1609, 0x95170e49, 0x823f6a89, 0xbb47c7c9, 0xac6fa309, + 0xc9b69d49, 0xde9ef989, 0xe7e654c9, 0xf0ce3009, 0x0d3cf0cb, + 0x1a14940b, 0x236c394b, 0x34445d8b, 0x519d63cb, 0x46b5070b, + 0x7fcdaa4b, 0x68e5ce8b, 0xb47fd6cb, 0xa357b20b, 0x9a2f1f4b, + 0x8d077b8b, 0xe8de45cb, 0xfff6210b, 0xc68e8c4b, 0xd1a6e88b, + 0xa4cbba8a, 0xb3e3de4a, 0x8a9b730a, 0x9db317ca, 0xf86a298a, + 0xef424d4a, 0xd63ae00a, 0xc11284ca, 0x1d889c8a, 0x0aa0f84a, + 0x33d8550a, 0x24f031ca, 0x41290f8a, 0x56016b4a, 0x6f79c60a, + 0x7851a2ca}, + {0x00000000, 0x9fda839e, 0xe4c4017d, 0x7b1e82e3, 0x12f904bb, + 0x8d238725, 0xf63d05c6, 0x69e78658, 0x25f20976, 0xba288ae8, + 0xc136080b, 0x5eec8b95, 0x370b0dcd, 0xa8d18e53, 0xd3cf0cb0, + 0x4c158f2e, 0x4be412ec, 0xd43e9172, 0xaf201391, 0x30fa900f, + 0x591d1657, 0xc6c795c9, 0xbdd9172a, 0x220394b4, 0x6e161b9a, + 0xf1cc9804, 0x8ad21ae7, 0x15089979, 0x7cef1f21, 0xe3359cbf, + 0x982b1e5c, 0x07f19dc2, 0x97c825d8, 0x0812a646, 0x730c24a5, + 0xecd6a73b, 0x85312163, 0x1aeba2fd, 0x61f5201e, 0xfe2fa380, + 0xb23a2cae, 0x2de0af30, 0x56fe2dd3, 0xc924ae4d, 0xa0c32815, + 0x3f19ab8b, 0x44072968, 0xdbddaaf6, 0xdc2c3734, 0x43f6b4aa, + 0x38e83649, 0xa732b5d7, 0xced5338f, 0x510fb011, 0x2a1132f2, + 0xb5cbb16c, 0xf9de3e42, 0x6604bddc, 0x1d1a3f3f, 0x82c0bca1, + 0xeb273af9, 0x74fdb967, 0x0fe33b84, 0x9039b81a, 0xf4e14df1, + 0x6b3bce6f, 0x10254c8c, 0x8fffcf12, 0xe618494a, 0x79c2cad4, + 0x02dc4837, 0x9d06cba9, 0xd1134487, 0x4ec9c719, 0x35d745fa, + 0xaa0dc664, 0xc3ea403c, 0x5c30c3a2, 0x272e4141, 0xb8f4c2df, + 0xbf055f1d, 0x20dfdc83, 0x5bc15e60, 0xc41bddfe, 0xadfc5ba6, + 0x3226d838, 0x49385adb, 0xd6e2d945, 0x9af7566b, 0x052dd5f5, + 0x7e335716, 0xe1e9d488, 0x880e52d0, 0x17d4d14e, 0x6cca53ad, + 0xf310d033, 0x63296829, 0xfcf3ebb7, 0x87ed6954, 0x1837eaca, + 0x71d06c92, 0xee0aef0c, 0x95146def, 0x0aceee71, 0x46db615f, + 0xd901e2c1, 0xa21f6022, 0x3dc5e3bc, 0x542265e4, 0xcbf8e67a, + 0xb0e66499, 0x2f3ce707, 0x28cd7ac5, 0xb717f95b, 0xcc097bb8, + 0x53d3f826, 0x3a347e7e, 0xa5eefde0, 0xdef07f03, 0x412afc9d, + 0x0d3f73b3, 0x92e5f02d, 0xe9fb72ce, 0x7621f150, 0x1fc67708, + 0x801cf496, 0xfb027675, 0x64d8f5eb, 0x32b39da3, 0xad691e3d, + 0xd6779cde, 0x49ad1f40, 0x204a9918, 0xbf901a86, 0xc48e9865, + 0x5b541bfb, 0x174194d5, 0x889b174b, 0xf38595a8, 0x6c5f1636, + 0x05b8906e, 0x9a6213f0, 0xe17c9113, 0x7ea6128d, 0x79578f4f, + 0xe68d0cd1, 0x9d938e32, 0x02490dac, 0x6bae8bf4, 0xf474086a, + 0x8f6a8a89, 0x10b00917, 0x5ca58639, 0xc37f05a7, 0xb8618744, + 0x27bb04da, 0x4e5c8282, 0xd186011c, 0xaa9883ff, 0x35420061, + 0xa57bb87b, 0x3aa13be5, 0x41bfb906, 0xde653a98, 0xb782bcc0, + 0x28583f5e, 0x5346bdbd, 0xcc9c3e23, 0x8089b10d, 0x1f533293, + 0x644db070, 0xfb9733ee, 0x9270b5b6, 0x0daa3628, 0x76b4b4cb, + 0xe96e3755, 0xee9faa97, 0x71452909, 0x0a5babea, 0x95812874, + 0xfc66ae2c, 0x63bc2db2, 0x18a2af51, 0x87782ccf, 0xcb6da3e1, + 0x54b7207f, 0x2fa9a29c, 0xb0732102, 0xd994a75a, 0x464e24c4, + 0x3d50a627, 0xa28a25b9, 0xc652d052, 0x598853cc, 0x2296d12f, + 0xbd4c52b1, 0xd4abd4e9, 0x4b715777, 0x306fd594, 0xafb5560a, + 0xe3a0d924, 0x7c7a5aba, 0x0764d859, 0x98be5bc7, 0xf159dd9f, + 0x6e835e01, 0x159ddce2, 0x8a475f7c, 0x8db6c2be, 0x126c4120, + 0x6972c3c3, 0xf6a8405d, 0x9f4fc605, 0x0095459b, 0x7b8bc778, + 0xe45144e6, 0xa844cbc8, 0x379e4856, 0x4c80cab5, 0xd35a492b, + 0xbabdcf73, 0x25674ced, 0x5e79ce0e, 0xc1a34d90, 0x519af58a, + 0xce407614, 0xb55ef4f7, 0x2a847769, 0x4363f131, 0xdcb972af, + 0xa7a7f04c, 0x387d73d2, 0x7468fcfc, 0xebb27f62, 0x90acfd81, + 0x0f767e1f, 0x6691f847, 0xf94b7bd9, 0x8255f93a, 0x1d8f7aa4, + 0x1a7ee766, 0x85a464f8, 0xfebae61b, 0x61606585, 0x0887e3dd, + 0x975d6043, 0xec43e2a0, 0x7399613e, 0x3f8cee10, 0xa0566d8e, + 0xdb48ef6d, 0x44926cf3, 0x2d75eaab, 0xb2af6935, 0xc9b1ebd6, + 0x566b6848}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x9e83da9f, 0x7d01c4e4, 0xe3821e7b, 0xbb04f912, + 0x2587238d, 0xc6053df6, 0x5886e769, 0x7609f225, 0xe88a28ba, + 0x0b0836c1, 0x958bec5e, 0xcd0d0b37, 0x538ed1a8, 0xb00ccfd3, + 0x2e8f154c, 0xec12e44b, 0x72913ed4, 0x911320af, 0x0f90fa30, + 0x57161d59, 0xc995c7c6, 0x2a17d9bd, 0xb4940322, 0x9a1b166e, + 0x0498ccf1, 0xe71ad28a, 0x79990815, 0x211fef7c, 0xbf9c35e3, + 0x5c1e2b98, 0xc29df107, 0xd825c897, 0x46a61208, 0xa5240c73, + 0x3ba7d6ec, 0x63213185, 0xfda2eb1a, 0x1e20f561, 0x80a32ffe, + 0xae2c3ab2, 0x30afe02d, 0xd32dfe56, 0x4dae24c9, 0x1528c3a0, + 0x8bab193f, 0x68290744, 0xf6aadddb, 0x34372cdc, 0xaab4f643, + 0x4936e838, 0xd7b532a7, 0x8f33d5ce, 0x11b00f51, 0xf232112a, + 0x6cb1cbb5, 0x423edef9, 0xdcbd0466, 0x3f3f1a1d, 0xa1bcc082, + 0xf93a27eb, 0x67b9fd74, 0x843be30f, 0x1ab83990, 0xf14de1f4, + 0x6fce3b6b, 0x8c4c2510, 0x12cfff8f, 0x4a4918e6, 0xd4cac279, + 0x3748dc02, 0xa9cb069d, 0x874413d1, 0x19c7c94e, 0xfa45d735, + 0x64c60daa, 0x3c40eac3, 0xa2c3305c, 0x41412e27, 0xdfc2f4b8, + 0x1d5f05bf, 0x83dcdf20, 0x605ec15b, 0xfedd1bc4, 0xa65bfcad, + 0x38d82632, 0xdb5a3849, 0x45d9e2d6, 0x6b56f79a, 0xf5d52d05, + 0x1657337e, 0x88d4e9e1, 0xd0520e88, 0x4ed1d417, 0xad53ca6c, + 0x33d010f3, 0x29682963, 0xb7ebf3fc, 0x5469ed87, 0xcaea3718, + 0x926cd071, 0x0cef0aee, 0xef6d1495, 0x71eece0a, 0x5f61db46, + 0xc1e201d9, 0x22601fa2, 0xbce3c53d, 0xe4652254, 0x7ae6f8cb, + 0x9964e6b0, 0x07e73c2f, 0xc57acd28, 0x5bf917b7, 0xb87b09cc, + 0x26f8d353, 0x7e7e343a, 0xe0fdeea5, 0x037ff0de, 0x9dfc2a41, + 0xb3733f0d, 0x2df0e592, 0xce72fbe9, 0x50f12176, 0x0877c61f, + 0x96f41c80, 0x757602fb, 0xebf5d864, 0xa39db332, 0x3d1e69ad, + 0xde9c77d6, 0x401fad49, 0x18994a20, 0x861a90bf, 0x65988ec4, + 0xfb1b545b, 0xd5944117, 0x4b179b88, 0xa89585f3, 0x36165f6c, + 0x6e90b805, 0xf013629a, 0x13917ce1, 0x8d12a67e, 0x4f8f5779, + 0xd10c8de6, 0x328e939d, 0xac0d4902, 0xf48bae6b, 0x6a0874f4, + 0x898a6a8f, 0x1709b010, 0x3986a55c, 0xa7057fc3, 0x448761b8, + 0xda04bb27, 0x82825c4e, 0x1c0186d1, 0xff8398aa, 0x61004235, + 0x7bb87ba5, 0xe53ba13a, 0x06b9bf41, 0x983a65de, 0xc0bc82b7, + 0x5e3f5828, 0xbdbd4653, 0x233e9ccc, 0x0db18980, 0x9332531f, + 0x70b04d64, 0xee3397fb, 0xb6b57092, 0x2836aa0d, 0xcbb4b476, + 0x55376ee9, 0x97aa9fee, 0x09294571, 0xeaab5b0a, 0x74288195, + 0x2cae66fc, 0xb22dbc63, 0x51afa218, 0xcf2c7887, 0xe1a36dcb, + 0x7f20b754, 0x9ca2a92f, 0x022173b0, 0x5aa794d9, 0xc4244e46, + 0x27a6503d, 0xb9258aa2, 0x52d052c6, 0xcc538859, 0x2fd19622, + 0xb1524cbd, 0xe9d4abd4, 0x7757714b, 0x94d56f30, 0x0a56b5af, + 0x24d9a0e3, 0xba5a7a7c, 0x59d86407, 0xc75bbe98, 0x9fdd59f1, + 0x015e836e, 0xe2dc9d15, 0x7c5f478a, 0xbec2b68d, 0x20416c12, + 0xc3c37269, 0x5d40a8f6, 0x05c64f9f, 0x9b459500, 0x78c78b7b, + 0xe64451e4, 0xc8cb44a8, 0x56489e37, 0xb5ca804c, 0x2b495ad3, + 0x73cfbdba, 0xed4c6725, 0x0ece795e, 0x904da3c1, 0x8af59a51, + 0x147640ce, 0xf7f45eb5, 0x6977842a, 0x31f16343, 0xaf72b9dc, + 0x4cf0a7a7, 0xd2737d38, 0xfcfc6874, 0x627fb2eb, 0x81fdac90, + 0x1f7e760f, 0x47f89166, 0xd97b4bf9, 0x3af95582, 0xa47a8f1d, + 0x66e77e1a, 0xf864a485, 0x1be6bafe, 0x85656061, 0xdde38708, + 0x43605d97, 0xa0e243ec, 0x3e619973, 0x10ee8c3f, 0x8e6d56a0, + 0x6def48db, 0xf36c9244, 0xabea752d, 0x3569afb2, 0xd6ebb1c9, + 0x48686b56}, + {0x00000000, 0xc0642817, 0x80c9502e, 0x40ad7839, 0x0093a15c, + 0xc0f7894b, 0x805af172, 0x403ed965, 0x002643b9, 0xc0426bae, + 0x80ef1397, 0x408b3b80, 0x00b5e2e5, 0xc0d1caf2, 0x807cb2cb, + 0x40189adc, 0x414af7a9, 0x812edfbe, 0xc183a787, 0x01e78f90, + 0x41d956f5, 0x81bd7ee2, 0xc11006db, 0x01742ecc, 0x416cb410, + 0x81089c07, 0xc1a5e43e, 0x01c1cc29, 0x41ff154c, 0x819b3d5b, + 0xc1364562, 0x01526d75, 0xc3929f88, 0x03f6b79f, 0x435bcfa6, + 0x833fe7b1, 0xc3013ed4, 0x036516c3, 0x43c86efa, 0x83ac46ed, + 0xc3b4dc31, 0x03d0f426, 0x437d8c1f, 0x8319a408, 0xc3277d6d, + 0x0343557a, 0x43ee2d43, 0x838a0554, 0x82d86821, 0x42bc4036, + 0x0211380f, 0xc2751018, 0x824bc97d, 0x422fe16a, 0x02829953, + 0xc2e6b144, 0x82fe2b98, 0x429a038f, 0x02377bb6, 0xc25353a1, + 0x826d8ac4, 0x4209a2d3, 0x02a4daea, 0xc2c0f2fd, 0xc7234eca, + 0x074766dd, 0x47ea1ee4, 0x878e36f3, 0xc7b0ef96, 0x07d4c781, + 0x4779bfb8, 0x871d97af, 0xc7050d73, 0x07612564, 0x47cc5d5d, + 0x87a8754a, 0xc796ac2f, 0x07f28438, 0x475ffc01, 0x873bd416, + 0x8669b963, 0x460d9174, 0x06a0e94d, 0xc6c4c15a, 0x86fa183f, + 0x469e3028, 0x06334811, 0xc6576006, 0x864ffada, 0x462bd2cd, + 0x0686aaf4, 0xc6e282e3, 0x86dc5b86, 0x46b87391, 0x06150ba8, + 0xc67123bf, 0x04b1d142, 0xc4d5f955, 0x8478816c, 0x441ca97b, + 0x0422701e, 0xc4465809, 0x84eb2030, 0x448f0827, 0x049792fb, + 0xc4f3baec, 0x845ec2d5, 0x443aeac2, 0x040433a7, 0xc4601bb0, + 0x84cd6389, 0x44a94b9e, 0x45fb26eb, 0x859f0efc, 0xc53276c5, + 0x05565ed2, 0x456887b7, 0x850cafa0, 0xc5a1d799, 0x05c5ff8e, + 0x45dd6552, 0x85b94d45, 0xc514357c, 0x05701d6b, 0x454ec40e, + 0x852aec19, 0xc5879420, 0x05e3bc37, 0xcf41ed4f, 0x0f25c558, + 0x4f88bd61, 0x8fec9576, 0xcfd24c13, 0x0fb66404, 0x4f1b1c3d, + 0x8f7f342a, 0xcf67aef6, 0x0f0386e1, 0x4faefed8, 0x8fcad6cf, + 0xcff40faa, 0x0f9027bd, 0x4f3d5f84, 0x8f597793, 0x8e0b1ae6, + 0x4e6f32f1, 0x0ec24ac8, 0xcea662df, 0x8e98bbba, 0x4efc93ad, + 0x0e51eb94, 0xce35c383, 0x8e2d595f, 0x4e497148, 0x0ee40971, + 0xce802166, 0x8ebef803, 0x4edad014, 0x0e77a82d, 0xce13803a, + 0x0cd372c7, 0xccb75ad0, 0x8c1a22e9, 0x4c7e0afe, 0x0c40d39b, + 0xcc24fb8c, 0x8c8983b5, 0x4cedaba2, 0x0cf5317e, 0xcc911969, + 0x8c3c6150, 0x4c584947, 0x0c669022, 0xcc02b835, 0x8cafc00c, + 0x4ccbe81b, 0x4d99856e, 0x8dfdad79, 0xcd50d540, 0x0d34fd57, + 0x4d0a2432, 0x8d6e0c25, 0xcdc3741c, 0x0da75c0b, 0x4dbfc6d7, + 0x8ddbeec0, 0xcd7696f9, 0x0d12beee, 0x4d2c678b, 0x8d484f9c, + 0xcde537a5, 0x0d811fb2, 0x0862a385, 0xc8068b92, 0x88abf3ab, + 0x48cfdbbc, 0x08f102d9, 0xc8952ace, 0x883852f7, 0x485c7ae0, + 0x0844e03c, 0xc820c82b, 0x888db012, 0x48e99805, 0x08d74160, + 0xc8b36977, 0x881e114e, 0x487a3959, 0x4928542c, 0x894c7c3b, + 0xc9e10402, 0x09852c15, 0x49bbf570, 0x89dfdd67, 0xc972a55e, + 0x09168d49, 0x490e1795, 0x896a3f82, 0xc9c747bb, 0x09a36fac, + 0x499db6c9, 0x89f99ede, 0xc954e6e7, 0x0930cef0, 0xcbf03c0d, + 0x0b94141a, 0x4b396c23, 0x8b5d4434, 0xcb639d51, 0x0b07b546, + 0x4baacd7f, 0x8bcee568, 0xcbd67fb4, 0x0bb257a3, 0x4b1f2f9a, + 0x8b7b078d, 0xcb45dee8, 0x0b21f6ff, 0x4b8c8ec6, 0x8be8a6d1, + 0x8abacba4, 0x4adee3b3, 0x0a739b8a, 0xca17b39d, 0x8a296af8, + 0x4a4d42ef, 0x0ae03ad6, 0xca8412c1, 0x8a9c881d, 0x4af8a00a, + 0x0a55d833, 0xca31f024, 0x8a0f2941, 0x4a6b0156, 0x0ac6796f, + 0xcaa25178}, + {0x00000000, 0xd4ea739b, 0xe9d396ed, 0x3d39e576, 0x93a15c00, + 0x474b2f9b, 0x7a72caed, 0xae98b976, 0x2643b900, 0xf2a9ca9b, + 0xcf902fed, 0x1b7a5c76, 0xb5e2e500, 0x6108969b, 0x5c3173ed, + 0x88db0076, 0x4c867201, 0x986c019a, 0xa555e4ec, 0x71bf9777, + 0xdf272e01, 0x0bcd5d9a, 0x36f4b8ec, 0xe21ecb77, 0x6ac5cb01, + 0xbe2fb89a, 0x83165dec, 0x57fc2e77, 0xf9649701, 0x2d8ee49a, + 0x10b701ec, 0xc45d7277, 0x980ce502, 0x4ce69699, 0x71df73ef, + 0xa5350074, 0x0badb902, 0xdf47ca99, 0xe27e2fef, 0x36945c74, + 0xbe4f5c02, 0x6aa52f99, 0x579ccaef, 0x8376b974, 0x2dee0002, + 0xf9047399, 0xc43d96ef, 0x10d7e574, 0xd48a9703, 0x0060e498, + 0x3d5901ee, 0xe9b37275, 0x472bcb03, 0x93c1b898, 0xaef85dee, + 0x7a122e75, 0xf2c92e03, 0x26235d98, 0x1b1ab8ee, 0xcff0cb75, + 0x61687203, 0xb5820198, 0x88bbe4ee, 0x5c519775, 0x3019ca05, + 0xe4f3b99e, 0xd9ca5ce8, 0x0d202f73, 0xa3b89605, 0x7752e59e, + 0x4a6b00e8, 0x9e817373, 0x165a7305, 0xc2b0009e, 0xff89e5e8, + 0x2b639673, 0x85fb2f05, 0x51115c9e, 0x6c28b9e8, 0xb8c2ca73, + 0x7c9fb804, 0xa875cb9f, 0x954c2ee9, 0x41a65d72, 0xef3ee404, + 0x3bd4979f, 0x06ed72e9, 0xd2070172, 0x5adc0104, 0x8e36729f, + 0xb30f97e9, 0x67e5e472, 0xc97d5d04, 0x1d972e9f, 0x20aecbe9, + 0xf444b872, 0xa8152f07, 0x7cff5c9c, 0x41c6b9ea, 0x952cca71, + 0x3bb47307, 0xef5e009c, 0xd267e5ea, 0x068d9671, 0x8e569607, + 0x5abce59c, 0x678500ea, 0xb36f7371, 0x1df7ca07, 0xc91db99c, + 0xf4245cea, 0x20ce2f71, 0xe4935d06, 0x30792e9d, 0x0d40cbeb, + 0xd9aab870, 0x77320106, 0xa3d8729d, 0x9ee197eb, 0x4a0be470, + 0xc2d0e406, 0x163a979d, 0x2b0372eb, 0xffe90170, 0x5171b806, + 0x859bcb9d, 0xb8a22eeb, 0x6c485d70, 0x6032940b, 0xb4d8e790, + 0x89e102e6, 0x5d0b717d, 0xf393c80b, 0x2779bb90, 0x1a405ee6, + 0xceaa2d7d, 0x46712d0b, 0x929b5e90, 0xafa2bbe6, 0x7b48c87d, + 0xd5d0710b, 0x013a0290, 0x3c03e7e6, 0xe8e9947d, 0x2cb4e60a, + 0xf85e9591, 0xc56770e7, 0x118d037c, 0xbf15ba0a, 0x6bffc991, + 0x56c62ce7, 0x822c5f7c, 0x0af75f0a, 0xde1d2c91, 0xe324c9e7, + 0x37ceba7c, 0x9956030a, 0x4dbc7091, 0x708595e7, 0xa46fe67c, + 0xf83e7109, 0x2cd40292, 0x11ede7e4, 0xc507947f, 0x6b9f2d09, + 0xbf755e92, 0x824cbbe4, 0x56a6c87f, 0xde7dc809, 0x0a97bb92, + 0x37ae5ee4, 0xe3442d7f, 0x4ddc9409, 0x9936e792, 0xa40f02e4, + 0x70e5717f, 0xb4b80308, 0x60527093, 0x5d6b95e5, 0x8981e67e, + 0x27195f08, 0xf3f32c93, 0xcecac9e5, 0x1a20ba7e, 0x92fbba08, + 0x4611c993, 0x7b282ce5, 0xafc25f7e, 0x015ae608, 0xd5b09593, + 0xe88970e5, 0x3c63037e, 0x502b5e0e, 0x84c12d95, 0xb9f8c8e3, + 0x6d12bb78, 0xc38a020e, 0x17607195, 0x2a5994e3, 0xfeb3e778, + 0x7668e70e, 0xa2829495, 0x9fbb71e3, 0x4b510278, 0xe5c9bb0e, + 0x3123c895, 0x0c1a2de3, 0xd8f05e78, 0x1cad2c0f, 0xc8475f94, + 0xf57ebae2, 0x2194c979, 0x8f0c700f, 0x5be60394, 0x66dfe6e2, + 0xb2359579, 0x3aee950f, 0xee04e694, 0xd33d03e2, 0x07d77079, + 0xa94fc90f, 0x7da5ba94, 0x409c5fe2, 0x94762c79, 0xc827bb0c, + 0x1ccdc897, 0x21f42de1, 0xf51e5e7a, 0x5b86e70c, 0x8f6c9497, + 0xb25571e1, 0x66bf027a, 0xee64020c, 0x3a8e7197, 0x07b794e1, + 0xd35de77a, 0x7dc55e0c, 0xa92f2d97, 0x9416c8e1, 0x40fcbb7a, + 0x84a1c90d, 0x504bba96, 0x6d725fe0, 0xb9982c7b, 0x1700950d, + 0xc3eae696, 0xfed303e0, 0x2a39707b, 0xa2e2700d, 0x76080396, + 0x4b31e6e0, 0x9fdb957b, 0x31432c0d, 0xe5a95f96, 0xd890bae0, + 0x0c7ac97b}, + {0x00000000, 0x27652581, 0x0fcc3bd9, 0x28a91e58, 0x5f9e0669, + 0x78fb23e8, 0x50523db0, 0x77371831, 0xbe3c0dd2, 0x99592853, + 0xb1f0360b, 0x9695138a, 0xe1a20bbb, 0xc6c72e3a, 0xee6e3062, + 0xc90b15e3, 0x3d7f6b7f, 0x1a1a4efe, 0x32b350a6, 0x15d67527, + 0x62e16d16, 0x45844897, 0x6d2d56cf, 0x4a48734e, 0x834366ad, + 0xa426432c, 0x8c8f5d74, 0xabea78f5, 0xdcdd60c4, 0xfbb84545, + 0xd3115b1d, 0xf4747e9c, 0x7afed6fe, 0x5d9bf37f, 0x7532ed27, + 0x5257c8a6, 0x2560d097, 0x0205f516, 0x2aaceb4e, 0x0dc9cecf, + 0xc4c2db2c, 0xe3a7fead, 0xcb0ee0f5, 0xec6bc574, 0x9b5cdd45, + 0xbc39f8c4, 0x9490e69c, 0xb3f5c31d, 0x4781bd81, 0x60e49800, + 0x484d8658, 0x6f28a3d9, 0x181fbbe8, 0x3f7a9e69, 0x17d38031, + 0x30b6a5b0, 0xf9bdb053, 0xded895d2, 0xf6718b8a, 0xd114ae0b, + 0xa623b63a, 0x814693bb, 0xa9ef8de3, 0x8e8aa862, 0xb5fadc26, + 0x929ff9a7, 0xba36e7ff, 0x9d53c27e, 0xea64da4f, 0xcd01ffce, + 0xe5a8e196, 0xc2cdc417, 0x0bc6d1f4, 0x2ca3f475, 0x040aea2d, + 0x236fcfac, 0x5458d79d, 0x733df21c, 0x5b94ec44, 0x7cf1c9c5, + 0x8885b759, 0xafe092d8, 0x87498c80, 0xa02ca901, 0xd71bb130, + 0xf07e94b1, 0xd8d78ae9, 0xffb2af68, 0x36b9ba8b, 0x11dc9f0a, + 0x39758152, 0x1e10a4d3, 0x6927bce2, 0x4e429963, 0x66eb873b, + 0x418ea2ba, 0xcf040ad8, 0xe8612f59, 0xc0c83101, 0xe7ad1480, + 0x909a0cb1, 0xb7ff2930, 0x9f563768, 0xb83312e9, 0x7138070a, + 0x565d228b, 0x7ef43cd3, 0x59911952, 0x2ea60163, 0x09c324e2, + 0x216a3aba, 0x060f1f3b, 0xf27b61a7, 0xd51e4426, 0xfdb75a7e, + 0xdad27fff, 0xade567ce, 0x8a80424f, 0xa2295c17, 0x854c7996, + 0x4c476c75, 0x6b2249f4, 0x438b57ac, 0x64ee722d, 0x13d96a1c, + 0x34bc4f9d, 0x1c1551c5, 0x3b707444, 0x6af5b94d, 0x4d909ccc, + 0x65398294, 0x425ca715, 0x356bbf24, 0x120e9aa5, 0x3aa784fd, + 0x1dc2a17c, 0xd4c9b49f, 0xf3ac911e, 0xdb058f46, 0xfc60aac7, + 0x8b57b2f6, 0xac329777, 0x849b892f, 0xa3feacae, 0x578ad232, + 0x70eff7b3, 0x5846e9eb, 0x7f23cc6a, 0x0814d45b, 0x2f71f1da, + 0x07d8ef82, 0x20bdca03, 0xe9b6dfe0, 0xced3fa61, 0xe67ae439, + 0xc11fc1b8, 0xb628d989, 0x914dfc08, 0xb9e4e250, 0x9e81c7d1, + 0x100b6fb3, 0x376e4a32, 0x1fc7546a, 0x38a271eb, 0x4f9569da, + 0x68f04c5b, 0x40595203, 0x673c7782, 0xae376261, 0x895247e0, + 0xa1fb59b8, 0x869e7c39, 0xf1a96408, 0xd6cc4189, 0xfe655fd1, + 0xd9007a50, 0x2d7404cc, 0x0a11214d, 0x22b83f15, 0x05dd1a94, + 0x72ea02a5, 0x558f2724, 0x7d26397c, 0x5a431cfd, 0x9348091e, + 0xb42d2c9f, 0x9c8432c7, 0xbbe11746, 0xccd60f77, 0xebb32af6, + 0xc31a34ae, 0xe47f112f, 0xdf0f656b, 0xf86a40ea, 0xd0c35eb2, + 0xf7a67b33, 0x80916302, 0xa7f44683, 0x8f5d58db, 0xa8387d5a, + 0x613368b9, 0x46564d38, 0x6eff5360, 0x499a76e1, 0x3ead6ed0, + 0x19c84b51, 0x31615509, 0x16047088, 0xe2700e14, 0xc5152b95, + 0xedbc35cd, 0xcad9104c, 0xbdee087d, 0x9a8b2dfc, 0xb22233a4, + 0x95471625, 0x5c4c03c6, 0x7b292647, 0x5380381f, 0x74e51d9e, + 0x03d205af, 0x24b7202e, 0x0c1e3e76, 0x2b7b1bf7, 0xa5f1b395, + 0x82949614, 0xaa3d884c, 0x8d58adcd, 0xfa6fb5fc, 0xdd0a907d, + 0xf5a38e25, 0xd2c6aba4, 0x1bcdbe47, 0x3ca89bc6, 0x1401859e, + 0x3364a01f, 0x4453b82e, 0x63369daf, 0x4b9f83f7, 0x6cfaa676, + 0x988ed8ea, 0xbfebfd6b, 0x9742e333, 0xb027c6b2, 0xc710de83, + 0xe075fb02, 0xc8dce55a, 0xefb9c0db, 0x26b2d538, 0x01d7f0b9, + 0x297eeee1, 0x0e1bcb60, 0x792cd351, 0x5e49f6d0, 0x76e0e888, + 0x5185cd09}}; + +#endif + +#endif + +#endif + +local const z_crc_t FAR x2n_table[] = { + 0x40000000, 0x20000000, 0x08000000, 0x00800000, 0x00008000, + 0xedb88320, 0xb1e6b092, 0xa06a2517, 0xed627dae, 0x88d14467, + 0xd7bbfe6a, 0xec447f11, 0x8e7ea170, 0x6427800e, 0x4d47bae0, + 0x09fe548f, 0x83852d0f, 0x30362f1a, 0x7b5a9cc3, 0x31fec169, + 0x9fec022a, 0x6c8dedc4, 0x15d6874d, 0x5fde7a4e, 0xbad90e37, + 0x2e4e5eef, 0x4eaba214, 0xa8a472c0, 0x429a969e, 0x148d302a, + 0xc40ba6d0, 0xc4e22c3c}; diff --git a/deflate.c b/deflate.c new file mode 100644 index 0000000..4a689db --- /dev/null +++ b/deflate.c @@ -0,0 +1,2217 @@ +/* deflate.c -- compress data using the deflation algorithm + * Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process depends on being able to identify portions + * of the input text which are identical to earlier input (within a + * sliding window trailing behind the input currently being processed). + * + * The most straightforward technique turns out to be the fastest for + * most input files: try all possible matches and select the longest. + * The key feature of this algorithm is that insertions into the string + * dictionary are very simple and thus fast, and deletions are avoided + * completely. Insertions are performed at each input character, whereas + * string matches are performed only when the previous match ends. So it + * is preferable to spend more time in matches to allow very fast string + * insertions and avoid deletions. The matching algorithm for small + * strings is inspired from that of Rabin & Karp. A brute force approach + * is used to find longer strings when a small match has been found. + * A similar algorithm is used in comic (by Jan-Mark Wams) and freeze + * (by Leonid Broukhis). + * A previous version of this file used a more sophisticated algorithm + * (by Fiala and Greene) which is guaranteed to run in linear amortized + * time, but has a larger average cost, uses more memory and is patented. + * However the F&G algorithm may be faster for some highly redundant + * files if the parameter max_chain_length (described below) is too large. + * + * ACKNOWLEDGEMENTS + * + * The idea of lazy evaluation of matches is due to Jan-Mark Wams, and + * I found it in 'freeze' written by Leonid Broukhis. + * Thanks to many people for bug reports and testing. + * + * REFERENCES + * + * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". + * Available in http://tools.ietf.org/html/rfc1951 + * + * A description of the Rabin and Karp algorithm is given in the book + * "Algorithms" by R. Sedgewick, Addison-Wesley, p252. + * + * Fiala,E.R., and Greene,D.H. + * Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595 + * + */ + +/* @(#) $Id$ */ + +#include "deflate.h" + +const char deflate_copyright[] = + " deflate 1.2.13 Copyright 1995-2022 Jean-loup Gailly and Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* =========================================================================== + * Function prototypes. + */ +typedef enum { + need_more, /* block not completed, need more input or more output */ + block_done, /* block flush performed */ + finish_started, /* finish started, need only more output at next deflate */ + finish_done /* finish done, accept no more input or output */ +} block_state; + +typedef block_state (*compress_func) OF((deflate_state *s, int flush)); +/* Compression function. Returns the block state after the call. */ + +local int deflateStateCheck OF((z_streamp strm)); +local void slide_hash OF((deflate_state *s)); +local void fill_window OF((deflate_state *s)); +local block_state deflate_stored OF((deflate_state *s, int flush)); +local block_state deflate_fast OF((deflate_state *s, int flush)); +#ifndef FASTEST +local block_state deflate_slow OF((deflate_state *s, int flush)); +#endif +local block_state deflate_rle OF((deflate_state *s, int flush)); +local block_state deflate_huff OF((deflate_state *s, int flush)); +local void lm_init OF((deflate_state *s)); +local void putShortMSB OF((deflate_state *s, uInt b)); +local void flush_pending OF((z_streamp strm)); +local unsigned read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); +local uInt longest_match OF((deflate_state *s, IPos cur_match)); + +#ifdef ZLIB_DEBUG +local void check_match OF((deflate_state *s, IPos start, IPos match, + int length)); +#endif + +/* =========================================================================== + * Local data + */ + +#define NIL 0 +/* Tail of hash chains */ + +#ifndef TOO_FAR +# define TOO_FAR 4096 +#endif +/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ + +/* Values for max_lazy_match, good_match and max_chain_length, depending on + * the desired pack level (0..9). The values given below have been tuned to + * exclude worst case performance for pathological files. Better values may be + * found for specific files. + */ +typedef struct config_s { + ush good_length; /* reduce lazy search above this match length */ + ush max_lazy; /* do not perform lazy search above this match length */ + ush nice_length; /* quit search above this match length */ + ush max_chain; + compress_func func; +} config; + +#ifdef FASTEST +local const config configuration_table[2] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}}; /* max speed, no lazy matches */ +#else +local const config configuration_table[10] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}, /* max speed, no lazy matches */ +/* 2 */ {4, 5, 16, 8, deflate_fast}, +/* 3 */ {4, 6, 32, 32, deflate_fast}, + +/* 4 */ {4, 4, 16, 16, deflate_slow}, /* lazy matches */ +/* 5 */ {8, 16, 32, 32, deflate_slow}, +/* 6 */ {8, 16, 128, 128, deflate_slow}, +/* 7 */ {8, 32, 128, 256, deflate_slow}, +/* 8 */ {32, 128, 258, 1024, deflate_slow}, +/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */ +#endif + +/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 + * For deflate_fast() (levels <= 3) good is ignored and lazy has a different + * meaning. + */ + +/* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */ +#define RANK(f) (((f) * 2) - ((f) > 4 ? 9 : 0)) + +/* =========================================================================== + * Update a hash value with the given input byte + * IN assertion: all calls to UPDATE_HASH are made with consecutive input + * characters, so that a running hash key can be computed from the previous + * key instead of complete recalculation each time. + */ +#define UPDATE_HASH(s,h,c) (h = (((h) << s->hash_shift) ^ (c)) & s->hash_mask) + + +/* =========================================================================== + * Insert string str in the dictionary and set match_head to the previous head + * of the hash chain (the most recent string with same hash key). Return + * the previous length of the hash chain. + * If this file is compiled with -DFASTEST, the compression level is forced + * to 1, and no hash chains are maintained. + * IN assertion: all calls to INSERT_STRING are made with consecutive input + * characters and the first MIN_MATCH bytes of str are valid (except for + * the last MIN_MATCH-1 bytes of the input file). + */ +#ifdef FASTEST +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#else +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#endif + +/* =========================================================================== + * Initialize the hash table (avoiding 64K overflow for 16 bit systems). + * prev[] will be initialized on the fly. + */ +#define CLEAR_HASH(s) \ + do { \ + s->head[s->hash_size - 1] = NIL; \ + zmemzero((Bytef *)s->head, \ + (unsigned)(s->hash_size - 1)*sizeof(*s->head)); \ + } while (0) + +/* =========================================================================== + * Slide the hash table when sliding the window down (could be avoided with 32 + * bit values at the expense of memory usage). We slide even when level == 0 to + * keep the hash table consistent if we switch back to level > 0 later. + */ +local void slide_hash(s) + deflate_state *s; +{ + unsigned n, m; + Posf *p; + uInt wsize = s->w_size; + + n = s->hash_size; + p = &s->head[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m - wsize : NIL); + } while (--n); + n = wsize; +#ifndef FASTEST + p = &s->prev[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m - wsize : NIL); + /* If n is not on any hash chain, prev[n] is garbage but + * its value will never be used. + */ + } while (--n); +#endif +} + +/* ========================================================================= */ +int ZEXPORT deflateInit_(strm, level, version, stream_size) + z_streamp strm; + int level; + const char *version; + int stream_size; +{ + return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, + Z_DEFAULT_STRATEGY, version, stream_size); + /* To do: ignore strm->next_in if we use it as window */ +} + +/* ========================================================================= */ +int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + version, stream_size) + z_streamp strm; + int level; + int method; + int windowBits; + int memLevel; + int strategy; + const char *version; + int stream_size; +{ + deflate_state *s; + int wrap = 1; + static const char my_version[] = ZLIB_VERSION; + + if (version == Z_NULL || version[0] != my_version[0] || + stream_size != sizeof(z_stream)) { + return Z_VERSION_ERROR; + } + if (strm == Z_NULL) return Z_STREAM_ERROR; + + strm->msg = Z_NULL; + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + + if (windowBits < 0) { /* suppress zlib wrapper */ + wrap = 0; + if (windowBits < -15) + return Z_STREAM_ERROR; + windowBits = -windowBits; + } +#ifdef GZIP + else if (windowBits > 15) { + wrap = 2; /* write gzip wrapper instead */ + windowBits -= 16; + } +#endif + if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || + windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || + strategy < 0 || strategy > Z_FIXED || (windowBits == 8 && wrap != 1)) { + return Z_STREAM_ERROR; + } + if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ + s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state)); + if (s == Z_NULL) return Z_MEM_ERROR; + strm->state = (struct internal_state FAR *)s; + s->strm = strm; + s->status = INIT_STATE; /* to pass state test in deflateReset() */ + + s->wrap = wrap; + s->gzhead = Z_NULL; + s->w_bits = (uInt)windowBits; + s->w_size = 1 << s->w_bits; + s->w_mask = s->w_size - 1; + + s->hash_bits = (uInt)memLevel + 7; + s->hash_size = 1 << s->hash_bits; + s->hash_mask = s->hash_size - 1; + s->hash_shift = ((s->hash_bits + MIN_MATCH-1) / MIN_MATCH); + + s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); + s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); + s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); + + s->high_water = 0; /* nothing written to s->window yet */ + + s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ + + /* We overlay pending_buf and sym_buf. This works since the average size + * for length/distance pairs over any compressed block is assured to be 31 + * bits or less. + * + * Analysis: The longest fixed codes are a length code of 8 bits plus 5 + * extra bits, for lengths 131 to 257. The longest fixed distance codes are + * 5 bits plus 13 extra bits, for distances 16385 to 32768. The longest + * possible fixed-codes length/distance pair is then 31 bits total. + * + * sym_buf starts one-fourth of the way into pending_buf. So there are + * three bytes in sym_buf for every four bytes in pending_buf. Each symbol + * in sym_buf is three bytes -- two for the distance and one for the + * literal/length. As each symbol is consumed, the pointer to the next + * sym_buf value to read moves forward three bytes. From that symbol, up to + * 31 bits are written to pending_buf. The closest the written pending_buf + * bits gets to the next sym_buf symbol to read is just before the last + * code is written. At that time, 31*(n - 2) bits have been written, just + * after 24*(n - 2) bits have been consumed from sym_buf. sym_buf starts at + * 8*n bits into pending_buf. (Note that the symbol buffer fills when n - 1 + * symbols are written.) The closest the writing gets to what is unread is + * then n + 14 bits. Here n is lit_bufsize, which is 16384 by default, and + * can range from 128 to 32768. + * + * Therefore, at a minimum, there are 142 bits of space between what is + * written and what is read in the overlain buffers, so the symbols cannot + * be overwritten by the compressed data. That space is actually 139 bits, + * due to the three-bit fixed-code block header. + * + * That covers the case where either Z_FIXED is specified, forcing fixed + * codes, or when the use of fixed codes is chosen, because that choice + * results in a smaller compressed block than dynamic codes. That latter + * condition then assures that the above analysis also covers all dynamic + * blocks. A dynamic-code block will only be chosen to be emitted if it has + * fewer bits than a fixed-code block would for the same set of symbols. + * Therefore its average symbol length is assured to be less than 31. So + * the compressed data for a dynamic block also cannot overwrite the + * symbols from which it is being constructed. + */ + + s->pending_buf = (uchf *) ZALLOC(strm, s->lit_bufsize, 4); + s->pending_buf_size = (ulg)s->lit_bufsize * 4; + + if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || + s->pending_buf == Z_NULL) { + s->status = FINISH_STATE; + strm->msg = ERR_MSG(Z_MEM_ERROR); + deflateEnd (strm); + return Z_MEM_ERROR; + } + s->sym_buf = s->pending_buf + s->lit_bufsize; + s->sym_end = (s->lit_bufsize - 1) * 3; + /* We avoid equality with lit_bufsize*3 because of wraparound at 64K + * on 16 bit machines and because stored blocks are restricted to + * 64K-1 bytes. + */ + + s->level = level; + s->strategy = strategy; + s->method = (Byte)method; + + return deflateReset(strm); +} + +/* ========================================================================= + * Check for a valid deflate stream state. Return 0 if ok, 1 if not. + */ +local int deflateStateCheck(strm) + z_streamp strm; +{ + deflate_state *s; + if (strm == Z_NULL || + strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) + return 1; + s = strm->state; + if (s == Z_NULL || s->strm != strm || (s->status != INIT_STATE && +#ifdef GZIP + s->status != GZIP_STATE && +#endif + s->status != EXTRA_STATE && + s->status != NAME_STATE && + s->status != COMMENT_STATE && + s->status != HCRC_STATE && + s->status != BUSY_STATE && + s->status != FINISH_STATE)) + return 1; + return 0; +} + +/* ========================================================================= */ +int ZEXPORT deflateSetDictionary(strm, dictionary, dictLength) + z_streamp strm; + const Bytef *dictionary; + uInt dictLength; +{ + deflate_state *s; + uInt str, n; + int wrap; + unsigned avail; + z_const unsigned char *next; + + if (deflateStateCheck(strm) || dictionary == Z_NULL) + return Z_STREAM_ERROR; + s = strm->state; + wrap = s->wrap; + if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead) + return Z_STREAM_ERROR; + + /* when using zlib wrappers, compute Adler-32 for provided dictionary */ + if (wrap == 1) + strm->adler = adler32(strm->adler, dictionary, dictLength); + s->wrap = 0; /* avoid computing Adler-32 in read_buf */ + + /* if dictionary would fill window, just replace the history */ + if (dictLength >= s->w_size) { + if (wrap == 0) { /* already empty otherwise */ + CLEAR_HASH(s); + s->strstart = 0; + s->block_start = 0L; + s->insert = 0; + } + dictionary += dictLength - s->w_size; /* use the tail */ + dictLength = s->w_size; + } + + /* insert dictionary into window and hash */ + avail = strm->avail_in; + next = strm->next_in; + strm->avail_in = dictLength; + strm->next_in = (z_const Bytef *)dictionary; + fill_window(s); + while (s->lookahead >= MIN_MATCH) { + str = s->strstart; + n = s->lookahead - (MIN_MATCH-1); + do { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + } while (--n); + s->strstart = str; + s->lookahead = MIN_MATCH-1; + fill_window(s); + } + s->strstart += s->lookahead; + s->block_start = (long)s->strstart; + s->insert = s->lookahead; + s->lookahead = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + strm->next_in = next; + strm->avail_in = avail; + s->wrap = wrap; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateGetDictionary(strm, dictionary, dictLength) + z_streamp strm; + Bytef *dictionary; + uInt *dictLength; +{ + deflate_state *s; + uInt len; + + if (deflateStateCheck(strm)) + return Z_STREAM_ERROR; + s = strm->state; + len = s->strstart + s->lookahead; + if (len > s->w_size) + len = s->w_size; + if (dictionary != Z_NULL && len) + zmemcpy(dictionary, s->window + s->strstart + s->lookahead - len, len); + if (dictLength != Z_NULL) + *dictLength = len; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateResetKeep(strm) + z_streamp strm; +{ + deflate_state *s; + + if (deflateStateCheck(strm)) { + return Z_STREAM_ERROR; + } + + strm->total_in = strm->total_out = 0; + strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */ + strm->data_type = Z_UNKNOWN; + + s = (deflate_state *)strm->state; + s->pending = 0; + s->pending_out = s->pending_buf; + + if (s->wrap < 0) { + s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */ + } + s->status = +#ifdef GZIP + s->wrap == 2 ? GZIP_STATE : +#endif + INIT_STATE; + strm->adler = +#ifdef GZIP + s->wrap == 2 ? crc32(0L, Z_NULL, 0) : +#endif + adler32(0L, Z_NULL, 0); + s->last_flush = -2; + + _tr_init(s); + + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateReset(strm) + z_streamp strm; +{ + int ret; + + ret = deflateResetKeep(strm); + if (ret == Z_OK) + lm_init(strm->state); + return ret; +} + +/* ========================================================================= */ +int ZEXPORT deflateSetHeader(strm, head) + z_streamp strm; + gz_headerp head; +{ + if (deflateStateCheck(strm) || strm->state->wrap != 2) + return Z_STREAM_ERROR; + strm->state->gzhead = head; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflatePending(strm, pending, bits) + unsigned *pending; + int *bits; + z_streamp strm; +{ + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + if (pending != Z_NULL) + *pending = strm->state->pending; + if (bits != Z_NULL) + *bits = strm->state->bi_valid; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflatePrime(strm, bits, value) + z_streamp strm; + int bits; + int value; +{ + deflate_state *s; + int put; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + if (bits < 0 || bits > 16 || + s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3)) + return Z_BUF_ERROR; + do { + put = Buf_size - s->bi_valid; + if (put > bits) + put = bits; + s->bi_buf |= (ush)((value & ((1 << put) - 1)) << s->bi_valid); + s->bi_valid += put; + _tr_flush_bits(s); + value >>= put; + bits -= put; + } while (bits); + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateParams(strm, level, strategy) + z_streamp strm; + int level; + int strategy; +{ + deflate_state *s; + compress_func func; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { + return Z_STREAM_ERROR; + } + func = configuration_table[s->level].func; + + if ((strategy != s->strategy || func != configuration_table[level].func) && + s->last_flush != -2) { + /* Flush the last buffer: */ + int err = deflate(strm, Z_BLOCK); + if (err == Z_STREAM_ERROR) + return err; + if (strm->avail_in || (s->strstart - s->block_start) + s->lookahead) + return Z_BUF_ERROR; + } + if (s->level != level) { + if (s->level == 0 && s->matches != 0) { + if (s->matches == 1) + slide_hash(s); + else + CLEAR_HASH(s); + s->matches = 0; + } + s->level = level; + s->max_lazy_match = configuration_table[level].max_lazy; + s->good_match = configuration_table[level].good_length; + s->nice_match = configuration_table[level].nice_length; + s->max_chain_length = configuration_table[level].max_chain; + } + s->strategy = strategy; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain) + z_streamp strm; + int good_length; + int max_lazy; + int nice_length; + int max_chain; +{ + deflate_state *s; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + s->good_match = (uInt)good_length; + s->max_lazy_match = (uInt)max_lazy; + s->nice_match = nice_length; + s->max_chain_length = (uInt)max_chain; + return Z_OK; +} + +/* ========================================================================= + * For the default windowBits of 15 and memLevel of 8, this function returns a + * close to exact, as well as small, upper bound on the compressed size. This + * is an expansion of ~0.03%, plus a small constant. + * + * For any setting other than those defaults for windowBits and memLevel, one + * of two worst case bounds is returned. This is at most an expansion of ~4% or + * ~13%, plus a small constant. + * + * Both the 0.03% and 4% derive from the overhead of stored blocks. The first + * one is for stored blocks of 16383 bytes (memLevel == 8), whereas the second + * is for stored blocks of 127 bytes (the worst case memLevel == 1). The + * expansion results from five bytes of header for each stored block. + * + * The larger expansion of 13% results from a window size less than or equal to + * the symbols buffer size (windowBits <= memLevel + 7). In that case some of + * the data being compressed may have slid out of the sliding window, impeding + * a stored block from being emitted. Then the only choice is a fixed or + * dynamic block, where a fixed block limits the maximum expansion to 9 bits + * per 8-bit byte, plus 10 bits for every block. The smallest block size for + * which this can occur is 255 (memLevel == 2). + * + * Shifts are used to approximate divisions, for speed. + */ +uLong ZEXPORT deflateBound(strm, sourceLen) + z_streamp strm; + uLong sourceLen; +{ + deflate_state *s; + uLong fixedlen, storelen, wraplen; + + /* upper bound for fixed blocks with 9-bit literals and length 255 + (memLevel == 2, which is the lowest that may not use stored blocks) -- + ~13% overhead plus a small constant */ + fixedlen = sourceLen + (sourceLen >> 3) + (sourceLen >> 8) + + (sourceLen >> 9) + 4; + + /* upper bound for stored blocks with length 127 (memLevel == 1) -- + ~4% overhead plus a small constant */ + storelen = sourceLen + (sourceLen >> 5) + (sourceLen >> 7) + + (sourceLen >> 11) + 7; + + /* if can't get parameters, return larger bound plus a zlib wrapper */ + if (deflateStateCheck(strm)) + return (fixedlen > storelen ? fixedlen : storelen) + 6; + + /* compute wrapper length */ + s = strm->state; + switch (s->wrap) { + case 0: /* raw deflate */ + wraplen = 0; + break; + case 1: /* zlib wrapper */ + wraplen = 6 + (s->strstart ? 4 : 0); + break; +#ifdef GZIP + case 2: /* gzip wrapper */ + wraplen = 18; + if (s->gzhead != Z_NULL) { /* user-supplied gzip header */ + Bytef *str; + if (s->gzhead->extra != Z_NULL) + wraplen += 2 + s->gzhead->extra_len; + str = s->gzhead->name; + if (str != Z_NULL) + do { + wraplen++; + } while (*str++); + str = s->gzhead->comment; + if (str != Z_NULL) + do { + wraplen++; + } while (*str++); + if (s->gzhead->hcrc) + wraplen += 2; + } + break; +#endif + default: /* for compiler happiness */ + wraplen = 6; + } + + /* if not default parameters, return one of the conservative bounds */ + if (s->w_bits != 15 || s->hash_bits != 8 + 7) + return (s->w_bits <= s->hash_bits ? fixedlen : storelen) + wraplen; + + /* default settings: return tight bound for that case -- ~0.03% overhead + plus a small constant */ + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + + (sourceLen >> 25) + 13 - 6 + wraplen; +} + +/* ========================================================================= + * Put a short in the pending buffer. The 16-bit value is put in MSB order. + * IN assertion: the stream state is correct and there is enough room in + * pending_buf. + */ +local void putShortMSB(s, b) + deflate_state *s; + uInt b; +{ + put_byte(s, (Byte)(b >> 8)); + put_byte(s, (Byte)(b & 0xff)); +} + +/* ========================================================================= + * Flush as much pending output as possible. All deflate() output, except for + * some deflate_stored() output, goes through this function so some + * applications may wish to modify it to avoid allocating a large + * strm->next_out buffer and copying into it. (See also read_buf()). + */ +local void flush_pending(strm) + z_streamp strm; +{ + unsigned len; + deflate_state *s = strm->state; + + _tr_flush_bits(s); + len = s->pending; + if (len > strm->avail_out) len = strm->avail_out; + if (len == 0) return; + + zmemcpy(strm->next_out, s->pending_out, len); + strm->next_out += len; + s->pending_out += len; + strm->total_out += len; + strm->avail_out -= len; + s->pending -= len; + if (s->pending == 0) { + s->pending_out = s->pending_buf; + } +} + +/* =========================================================================== + * Update the header CRC with the bytes s->pending_buf[beg..s->pending - 1]. + */ +#define HCRC_UPDATE(beg) \ + do { \ + if (s->gzhead->hcrc && s->pending > (beg)) \ + strm->adler = crc32(strm->adler, s->pending_buf + (beg), \ + s->pending - (beg)); \ + } while (0) + +/* ========================================================================= */ +int ZEXPORT deflate(strm, flush) + z_streamp strm; + int flush; +{ + int old_flush; /* value of flush param for previous deflate call */ + deflate_state *s; + + if (deflateStateCheck(strm) || flush > Z_BLOCK || flush < 0) { + return Z_STREAM_ERROR; + } + s = strm->state; + + if (strm->next_out == Z_NULL || + (strm->avail_in != 0 && strm->next_in == Z_NULL) || + (s->status == FINISH_STATE && flush != Z_FINISH)) { + ERR_RETURN(strm, Z_STREAM_ERROR); + } + if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR); + + old_flush = s->last_flush; + s->last_flush = flush; + + /* Flush as much pending output as possible */ + if (s->pending != 0) { + flush_pending(strm); + if (strm->avail_out == 0) { + /* Since avail_out is 0, deflate will be called again with + * more output space, but possibly with both pending and + * avail_in equal to zero. There won't be anything to do, + * but this is not an error situation so make sure we + * return OK instead of BUF_ERROR at next call of deflate: + */ + s->last_flush = -1; + return Z_OK; + } + + /* Make sure there is something to do and avoid duplicate consecutive + * flushes. For repeated and useless calls with Z_FINISH, we keep + * returning Z_STREAM_END instead of Z_BUF_ERROR. + */ + } else if (strm->avail_in == 0 && RANK(flush) <= RANK(old_flush) && + flush != Z_FINISH) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* User must not provide more input after the first FINISH: */ + if (s->status == FINISH_STATE && strm->avail_in != 0) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* Write the header */ + if (s->status == INIT_STATE && s->wrap == 0) + s->status = BUSY_STATE; + if (s->status == INIT_STATE) { + /* zlib header */ + uInt header = (Z_DEFLATED + ((s->w_bits - 8) << 4)) << 8; + uInt level_flags; + + if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2) + level_flags = 0; + else if (s->level < 6) + level_flags = 1; + else if (s->level == 6) + level_flags = 2; + else + level_flags = 3; + header |= (level_flags << 6); + if (s->strstart != 0) header |= PRESET_DICT; + header += 31 - (header % 31); + + putShortMSB(s, header); + + /* Save the adler32 of the preset dictionary: */ + if (s->strstart != 0) { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + strm->adler = adler32(0L, Z_NULL, 0); + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } +#ifdef GZIP + if (s->status == GZIP_STATE) { + /* gzip header */ + strm->adler = crc32(0L, Z_NULL, 0); + put_byte(s, 31); + put_byte(s, 139); + put_byte(s, 8); + if (s->gzhead == Z_NULL) { + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, OS_CODE); + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } + else { + put_byte(s, (s->gzhead->text ? 1 : 0) + + (s->gzhead->hcrc ? 2 : 0) + + (s->gzhead->extra == Z_NULL ? 0 : 4) + + (s->gzhead->name == Z_NULL ? 0 : 8) + + (s->gzhead->comment == Z_NULL ? 0 : 16) + ); + put_byte(s, (Byte)(s->gzhead->time & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, s->gzhead->os & 0xff); + if (s->gzhead->extra != Z_NULL) { + put_byte(s, s->gzhead->extra_len & 0xff); + put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); + } + if (s->gzhead->hcrc) + strm->adler = crc32(strm->adler, s->pending_buf, + s->pending); + s->gzindex = 0; + s->status = EXTRA_STATE; + } + } + if (s->status == EXTRA_STATE) { + if (s->gzhead->extra != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + uInt left = (s->gzhead->extra_len & 0xffff) - s->gzindex; + while (s->pending + left > s->pending_buf_size) { + uInt copy = s->pending_buf_size - s->pending; + zmemcpy(s->pending_buf + s->pending, + s->gzhead->extra + s->gzindex, copy); + s->pending = s->pending_buf_size; + HCRC_UPDATE(beg); + s->gzindex += copy; + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + left -= copy; + } + zmemcpy(s->pending_buf + s->pending, + s->gzhead->extra + s->gzindex, left); + s->pending += left; + HCRC_UPDATE(beg); + s->gzindex = 0; + } + s->status = NAME_STATE; + } + if (s->status == NAME_STATE) { + if (s->gzhead->name != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + int val; + do { + if (s->pending == s->pending_buf_size) { + HCRC_UPDATE(beg); + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + } + val = s->gzhead->name[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + HCRC_UPDATE(beg); + s->gzindex = 0; + } + s->status = COMMENT_STATE; + } + if (s->status == COMMENT_STATE) { + if (s->gzhead->comment != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + int val; + do { + if (s->pending == s->pending_buf_size) { + HCRC_UPDATE(beg); + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + } + val = s->gzhead->comment[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + HCRC_UPDATE(beg); + } + s->status = HCRC_STATE; + } + if (s->status == HCRC_STATE) { + if (s->gzhead->hcrc) { + if (s->pending + 2 > s->pending_buf_size) { + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + strm->adler = crc32(0L, Z_NULL, 0); + } + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } +#endif + + /* Start a new block or continue the current one. + */ + if (strm->avail_in != 0 || s->lookahead != 0 || + (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) { + block_state bstate; + + bstate = s->level == 0 ? deflate_stored(s, flush) : + s->strategy == Z_HUFFMAN_ONLY ? deflate_huff(s, flush) : + s->strategy == Z_RLE ? deflate_rle(s, flush) : + (*(configuration_table[s->level].func))(s, flush); + + if (bstate == finish_started || bstate == finish_done) { + s->status = FINISH_STATE; + } + if (bstate == need_more || bstate == finish_started) { + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR next call, see above */ + } + return Z_OK; + /* If flush != Z_NO_FLUSH && avail_out == 0, the next call + * of deflate should use the same flush parameter to make sure + * that the flush is complete. So we don't have to output an + * empty block here, this will be done at next call. This also + * ensures that for a very small output buffer, we emit at most + * one empty block. + */ + } + if (bstate == block_done) { + if (flush == Z_PARTIAL_FLUSH) { + _tr_align(s); + } else if (flush != Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */ + _tr_stored_block(s, (char*)0, 0L, 0); + /* For a full flush, this empty block will be recognized + * as a special marker by inflate_sync(). + */ + if (flush == Z_FULL_FLUSH) { + CLEAR_HASH(s); /* forget history */ + if (s->lookahead == 0) { + s->strstart = 0; + s->block_start = 0L; + s->insert = 0; + } + } + } + flush_pending(strm); + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */ + return Z_OK; + } + } + } + + if (flush != Z_FINISH) return Z_OK; + if (s->wrap <= 0) return Z_STREAM_END; + + /* Write the trailer */ +#ifdef GZIP + if (s->wrap == 2) { + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 24) & 0xff)); + put_byte(s, (Byte)(strm->total_in & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 8) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 16) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 24) & 0xff)); + } + else +#endif + { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + flush_pending(strm); + /* If avail_out is zero, the application will call deflate again + * to flush the rest. + */ + if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */ + return s->pending != 0 ? Z_OK : Z_STREAM_END; +} + +/* ========================================================================= */ +int ZEXPORT deflateEnd(strm) + z_streamp strm; +{ + int status; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + + status = strm->state->status; + + /* Deallocate in reverse order of allocations: */ + TRY_FREE(strm, strm->state->pending_buf); + TRY_FREE(strm, strm->state->head); + TRY_FREE(strm, strm->state->prev); + TRY_FREE(strm, strm->state->window); + + ZFREE(strm, strm->state); + strm->state = Z_NULL; + + return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; +} + +/* ========================================================================= + * Copy the source state to the destination state. + * To simplify the source, this is not supported for 16-bit MSDOS (which + * doesn't have enough memory anyway to duplicate compression states). + */ +int ZEXPORT deflateCopy(dest, source) + z_streamp dest; + z_streamp source; +{ +#ifdef MAXSEG_64K + return Z_STREAM_ERROR; +#else + deflate_state *ds; + deflate_state *ss; + + + if (deflateStateCheck(source) || dest == Z_NULL) { + return Z_STREAM_ERROR; + } + + ss = source->state; + + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); + + ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); + if (ds == Z_NULL) return Z_MEM_ERROR; + dest->state = (struct internal_state FAR *) ds; + zmemcpy((voidpf)ds, (voidpf)ss, sizeof(deflate_state)); + ds->strm = dest; + + ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); + ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos)); + ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos)); + ds->pending_buf = (uchf *) ZALLOC(dest, ds->lit_bufsize, 4); + + if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || + ds->pending_buf == Z_NULL) { + deflateEnd (dest); + return Z_MEM_ERROR; + } + /* following zmemcpy do not work for 16-bit MSDOS */ + zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); + zmemcpy((voidpf)ds->prev, (voidpf)ss->prev, ds->w_size * sizeof(Pos)); + zmemcpy((voidpf)ds->head, (voidpf)ss->head, ds->hash_size * sizeof(Pos)); + zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); + + ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); + ds->sym_buf = ds->pending_buf + ds->lit_bufsize; + + ds->l_desc.dyn_tree = ds->dyn_ltree; + ds->d_desc.dyn_tree = ds->dyn_dtree; + ds->bl_desc.dyn_tree = ds->bl_tree; + + return Z_OK; +#endif /* MAXSEG_64K */ +} + +/* =========================================================================== + * Read a new buffer from the current input stream, update the adler32 + * and total number of bytes read. All deflate() input goes through + * this function so some applications may wish to modify it to avoid + * allocating a large strm->next_in buffer and copying from it. + * (See also flush_pending()). + */ +local unsigned read_buf(strm, buf, size) + z_streamp strm; + Bytef *buf; + unsigned size; +{ + unsigned len = strm->avail_in; + + if (len > size) len = size; + if (len == 0) return 0; + + strm->avail_in -= len; + + zmemcpy(buf, strm->next_in, len); + if (strm->state->wrap == 1) { + strm->adler = adler32(strm->adler, buf, len); + } +#ifdef GZIP + else if (strm->state->wrap == 2) { + strm->adler = crc32(strm->adler, buf, len); + } +#endif + strm->next_in += len; + strm->total_in += len; + + return len; +} + +/* =========================================================================== + * Initialize the "longest match" routines for a new zlib stream + */ +local void lm_init(s) + deflate_state *s; +{ + s->window_size = (ulg)2L*s->w_size; + + CLEAR_HASH(s); + + /* Set the default configuration parameters: + */ + s->max_lazy_match = configuration_table[s->level].max_lazy; + s->good_match = configuration_table[s->level].good_length; + s->nice_match = configuration_table[s->level].nice_length; + s->max_chain_length = configuration_table[s->level].max_chain; + + s->strstart = 0; + s->block_start = 0L; + s->lookahead = 0; + s->insert = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + s->ins_h = 0; +} + +#ifndef FASTEST +/* =========================================================================== + * Set match_start to the longest match starting at the given string and + * return its length. Matches shorter or equal to prev_length are discarded, + * in which case the result is equal to prev_length and match_start is + * garbage. + * IN assertions: cur_match is the head of the hash chain for the current + * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 + * OUT assertion: the match length is not greater than s->lookahead. + */ +local uInt longest_match(s, cur_match) + deflate_state *s; + IPos cur_match; /* current match */ +{ + unsigned chain_length = s->max_chain_length;/* max hash chain length */ + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + int best_len = (int)s->prev_length; /* best match length so far */ + int nice_match = s->nice_match; /* stop if match long enough */ + IPos limit = s->strstart > (IPos)MAX_DIST(s) ? + s->strstart - (IPos)MAX_DIST(s) : NIL; + /* Stop when cur_match becomes <= limit. To simplify the code, + * we prevent matches with the string of window index 0. + */ + Posf *prev = s->prev; + uInt wmask = s->w_mask; + +#ifdef UNALIGNED_OK + /* Compare two bytes at a time. Note: this is not always beneficial. + * Try with and without -DUNALIGNED_OK to check. + */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; + register ush scan_start = *(ushf*)scan; + register ush scan_end = *(ushf*)(scan + best_len - 1); +#else + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + register Byte scan_end1 = scan[best_len - 1]; + register Byte scan_end = scan[best_len]; +#endif + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + /* Do not waste too much time if we already have a good match: */ + if (s->prev_length >= s->good_match) { + chain_length >>= 2; + } + /* Do not look for matches beyond the end of the input. This is necessary + * to make deflate deterministic. + */ + if ((uInt)nice_match > s->lookahead) nice_match = (int)s->lookahead; + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "need lookahead"); + + do { + Assert(cur_match < s->strstart, "no future"); + match = s->window + cur_match; + + /* Skip to next match if the match length cannot increase + * or if the match length is less than 2. Note that the checks below + * for insufficient lookahead only occur occasionally for performance + * reasons. Therefore uninitialized memory will be accessed, and + * conditional jumps will be made that depend on those values. + * However the length of the match is limited to the lookahead, so + * the output of deflate is not affected by the uninitialized values. + */ +#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) + /* This code assumes sizeof(unsigned short) == 2. Do not use + * UNALIGNED_OK if your compiler uses a different size. + */ + if (*(ushf*)(match + best_len - 1) != scan_end || + *(ushf*)match != scan_start) continue; + + /* It is not necessary to compare scan[2] and match[2] since they are + * always equal when the other bytes match, given that the hash keys + * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at + * strstart + 3, + 5, up to strstart + 257. We check for insufficient + * lookahead only every 4th comparison; the 128th check will be made + * at strstart + 257. If MAX_MATCH-2 is not a multiple of 8, it is + * necessary to put more guard bytes at the end of the window, or + * to check more often for insufficient lookahead. + */ + Assert(scan[2] == match[2], "scan[2]?"); + scan++, match++; + do { + } while (*(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + scan < strend); + /* The funny "do {}" generates better code on most compilers */ + + /* Here, scan <= window + strstart + 257 */ + Assert(scan <= s->window + (unsigned)(s->window_size - 1), + "wild scan"); + if (*scan == *match) scan++; + + len = (MAX_MATCH - 1) - (int)(strend - scan); + scan = strend - (MAX_MATCH-1); + +#else /* UNALIGNED_OK */ + + if (match[best_len] != scan_end || + match[best_len - 1] != scan_end1 || + *match != *scan || + *++match != scan[1]) continue; + + /* The check at best_len - 1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match++; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart + 258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window + (unsigned)(s->window_size - 1), + "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + scan = strend - MAX_MATCH; + +#endif /* UNALIGNED_OK */ + + if (len > best_len) { + s->match_start = cur_match; + best_len = len; + if (len >= nice_match) break; +#ifdef UNALIGNED_OK + scan_end = *(ushf*)(scan + best_len - 1); +#else + scan_end1 = scan[best_len - 1]; + scan_end = scan[best_len]; +#endif + } + } while ((cur_match = prev[cur_match & wmask]) > limit + && --chain_length != 0); + + if ((uInt)best_len <= s->lookahead) return (uInt)best_len; + return s->lookahead; +} + +#else /* FASTEST */ + +/* --------------------------------------------------------------------------- + * Optimized version for FASTEST only + */ +local uInt longest_match(s, cur_match) + deflate_state *s; + IPos cur_match; /* current match */ +{ + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "need lookahead"); + + Assert(cur_match < s->strstart, "no future"); + + match = s->window + cur_match; + + /* Return failure if the match length is less than 2: + */ + if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1; + + /* The check at best_len - 1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match += 2; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart + 258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window + (unsigned)(s->window_size - 1), "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + + if (len < MIN_MATCH) return MIN_MATCH - 1; + + s->match_start = cur_match; + return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead; +} + +#endif /* FASTEST */ + +#ifdef ZLIB_DEBUG + +#define EQUAL 0 +/* result of memcmp for equal strings */ + +/* =========================================================================== + * Check that the match at match_start is indeed a match. + */ +local void check_match(s, start, match, length) + deflate_state *s; + IPos start, match; + int length; +{ + /* check that the match is indeed a match */ + if (zmemcmp(s->window + match, + s->window + start, length) != EQUAL) { + fprintf(stderr, " start %u, match %u, length %d\n", + start, match, length); + do { + fprintf(stderr, "%c%c", s->window[match++], s->window[start++]); + } while (--length != 0); + z_error("invalid match"); + } + if (z_verbose > 1) { + fprintf(stderr,"\\[%d,%d]", start - match, length); + do { putc(s->window[start++], stderr); } while (--length != 0); + } +} +#else +# define check_match(s, start, match, length) +#endif /* ZLIB_DEBUG */ + +/* =========================================================================== + * Fill the window when the lookahead becomes insufficient. + * Updates strstart and lookahead. + * + * IN assertion: lookahead < MIN_LOOKAHEAD + * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD + * At least one byte has been read, or avail_in == 0; reads are + * performed for at least two bytes (required for the zip translate_eol + * option -- not supported here). + */ +local void fill_window(s) + deflate_state *s; +{ + unsigned n; + unsigned more; /* Amount of free space at the end of the window. */ + uInt wsize = s->w_size; + + Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead"); + + do { + more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); + + /* Deal with !@#$% 64K limit: */ + if (sizeof(int) <= 2) { + if (more == 0 && s->strstart == 0 && s->lookahead == 0) { + more = wsize; + + } else if (more == (unsigned)(-1)) { + /* Very unlikely, but possible on 16 bit machine if + * strstart == 0 && lookahead == 1 (input done a byte at time) + */ + more--; + } + } + + /* If the window is almost full and there is insufficient lookahead, + * move the upper half to the lower one to make room in the upper half. + */ + if (s->strstart >= wsize + MAX_DIST(s)) { + + zmemcpy(s->window, s->window + wsize, (unsigned)wsize - more); + s->match_start -= wsize; + s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ + s->block_start -= (long) wsize; + if (s->insert > s->strstart) + s->insert = s->strstart; + slide_hash(s); + more += wsize; + } + if (s->strm->avail_in == 0) break; + + /* If there was no sliding: + * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && + * more == window_size - lookahead - strstart + * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) + * => more >= window_size - 2*WSIZE + 2 + * In the BIG_MEM or MMAP case (not yet supported), + * window_size == input_size + MIN_LOOKAHEAD && + * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. + * Otherwise, window_size == 2*WSIZE so more >= 2. + * If there was sliding, more >= WSIZE. So in all cases, more >= 2. + */ + Assert(more >= 2, "more < 2"); + + n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); + s->lookahead += n; + + /* Initialize the hash value now that we have some input: */ + if (s->lookahead + s->insert >= MIN_MATCH) { + uInt str = s->strstart - s->insert; + s->ins_h = s->window[str]; + UPDATE_HASH(s, s->ins_h, s->window[str + 1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + while (s->insert) { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + s->insert--; + if (s->lookahead + s->insert < MIN_MATCH) + break; + } + } + /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, + * but this is not important since only literal bytes will be emitted. + */ + + } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); + + /* If the WIN_INIT bytes after the end of the current data have never been + * written, then zero those bytes in order to avoid memory check reports of + * the use of uninitialized (or uninitialised as Julian writes) bytes by + * the longest match routines. Update the high water mark for the next + * time through here. WIN_INIT is set to MAX_MATCH since the longest match + * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. + */ + if (s->high_water < s->window_size) { + ulg curr = s->strstart + (ulg)(s->lookahead); + ulg init; + + if (s->high_water < curr) { + /* Previous high water mark below current data -- zero WIN_INIT + * bytes or up to end of window, whichever is less. + */ + init = s->window_size - curr; + if (init > WIN_INIT) + init = WIN_INIT; + zmemzero(s->window + curr, (unsigned)init); + s->high_water = curr + init; + } + else if (s->high_water < (ulg)curr + WIN_INIT) { + /* High water mark at or above current data, but below current data + * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up + * to end of window, whichever is less. + */ + init = (ulg)curr + WIN_INIT - s->high_water; + if (init > s->window_size - s->high_water) + init = s->window_size - s->high_water; + zmemzero(s->window + s->high_water, (unsigned)init); + s->high_water += init; + } + } + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "not enough room for search"); +} + +/* =========================================================================== + * Flush the current block, with given end-of-file flag. + * IN assertion: strstart is set to the end of the current match. + */ +#define FLUSH_BLOCK_ONLY(s, last) { \ + _tr_flush_block(s, (s->block_start >= 0L ? \ + (charf *)&s->window[(unsigned)s->block_start] : \ + (charf *)Z_NULL), \ + (ulg)((long)s->strstart - s->block_start), \ + (last)); \ + s->block_start = s->strstart; \ + flush_pending(s->strm); \ + Tracev((stderr,"[FLUSH]")); \ +} + +/* Same but force premature exit if necessary. */ +#define FLUSH_BLOCK(s, last) { \ + FLUSH_BLOCK_ONLY(s, last); \ + if (s->strm->avail_out == 0) return (last) ? finish_started : need_more; \ +} + +/* Maximum stored block length in deflate format (not including header). */ +#define MAX_STORED 65535 + +/* Minimum of a and b. */ +#define MIN(a, b) ((a) > (b) ? (b) : (a)) + +/* =========================================================================== + * Copy without compression as much as possible from the input stream, return + * the current block state. + * + * In case deflateParams() is used to later switch to a non-zero compression + * level, s->matches (otherwise unused when storing) keeps track of the number + * of hash table slides to perform. If s->matches is 1, then one hash table + * slide will be done when switching. If s->matches is 2, the maximum value + * allowed here, then the hash table will be cleared, since two or more slides + * is the same as a clear. + * + * deflate_stored() is written to minimize the number of times an input byte is + * copied. It is most efficient with large input and output buffers, which + * maximizes the opportunities to have a single copy from next_in to next_out. + */ +local block_state deflate_stored(s, flush) + deflate_state *s; + int flush; +{ + /* Smallest worthy block size when not flushing or finishing. By default + * this is 32K. This can be as small as 507 bytes for memLevel == 1. For + * large input and output buffers, the stored block size will be larger. + */ + unsigned min_block = MIN(s->pending_buf_size - 5, s->w_size); + + /* Copy as many min_block or larger stored blocks directly to next_out as + * possible. If flushing, copy the remaining available input to next_out as + * stored blocks, if there is enough space. + */ + unsigned len, left, have, last = 0; + unsigned used = s->strm->avail_in; + do { + /* Set len to the maximum size block that we can copy directly with the + * available input data and output space. Set left to how much of that + * would be copied from what's left in the window. + */ + len = MAX_STORED; /* maximum deflate stored block length */ + have = (s->bi_valid + 42) >> 3; /* number of header bytes */ + if (s->strm->avail_out < have) /* need room for header */ + break; + /* maximum stored block length that will fit in avail_out: */ + have = s->strm->avail_out - have; + left = s->strstart - s->block_start; /* bytes left in window */ + if (len > (ulg)left + s->strm->avail_in) + len = left + s->strm->avail_in; /* limit len to the input */ + if (len > have) + len = have; /* limit len to the output */ + + /* If the stored block would be less than min_block in length, or if + * unable to copy all of the available input when flushing, then try + * copying to the window and the pending buffer instead. Also don't + * write an empty block when flushing -- deflate() does that. + */ + if (len < min_block && ((len == 0 && flush != Z_FINISH) || + flush == Z_NO_FLUSH || + len != left + s->strm->avail_in)) + break; + + /* Make a dummy stored block in pending to get the header bytes, + * including any pending bits. This also updates the debugging counts. + */ + last = flush == Z_FINISH && len == left + s->strm->avail_in ? 1 : 0; + _tr_stored_block(s, (char *)0, 0L, last); + + /* Replace the lengths in the dummy stored block with len. */ + s->pending_buf[s->pending - 4] = len; + s->pending_buf[s->pending - 3] = len >> 8; + s->pending_buf[s->pending - 2] = ~len; + s->pending_buf[s->pending - 1] = ~len >> 8; + + /* Write the stored block header bytes. */ + flush_pending(s->strm); + +#ifdef ZLIB_DEBUG + /* Update debugging counts for the data about to be copied. */ + s->compressed_len += len << 3; + s->bits_sent += len << 3; +#endif + + /* Copy uncompressed bytes from the window to next_out. */ + if (left) { + if (left > len) + left = len; + zmemcpy(s->strm->next_out, s->window + s->block_start, left); + s->strm->next_out += left; + s->strm->avail_out -= left; + s->strm->total_out += left; + s->block_start += left; + len -= left; + } + + /* Copy uncompressed bytes directly from next_in to next_out, updating + * the check value. + */ + if (len) { + read_buf(s->strm, s->strm->next_out, len); + s->strm->next_out += len; + s->strm->avail_out -= len; + s->strm->total_out += len; + } + } while (last == 0); + + /* Update the sliding window with the last s->w_size bytes of the copied + * data, or append all of the copied data to the existing window if less + * than s->w_size bytes were copied. Also update the number of bytes to + * insert in the hash tables, in the event that deflateParams() switches to + * a non-zero compression level. + */ + used -= s->strm->avail_in; /* number of input bytes directly copied */ + if (used) { + /* If any input was used, then no unused input remains in the window, + * therefore s->block_start == s->strstart. + */ + if (used >= s->w_size) { /* supplant the previous history */ + s->matches = 2; /* clear hash */ + zmemcpy(s->window, s->strm->next_in - s->w_size, s->w_size); + s->strstart = s->w_size; + s->insert = s->strstart; + } + else { + if (s->window_size - s->strstart <= used) { + /* Slide the window down. */ + s->strstart -= s->w_size; + zmemcpy(s->window, s->window + s->w_size, s->strstart); + if (s->matches < 2) + s->matches++; /* add a pending slide_hash() */ + if (s->insert > s->strstart) + s->insert = s->strstart; + } + zmemcpy(s->window + s->strstart, s->strm->next_in - used, used); + s->strstart += used; + s->insert += MIN(used, s->w_size - s->insert); + } + s->block_start = s->strstart; + } + if (s->high_water < s->strstart) + s->high_water = s->strstart; + + /* If the last block was written to next_out, then done. */ + if (last) + return finish_done; + + /* If flushing and all input has been consumed, then done. */ + if (flush != Z_NO_FLUSH && flush != Z_FINISH && + s->strm->avail_in == 0 && (long)s->strstart == s->block_start) + return block_done; + + /* Fill the window with any remaining input. */ + have = s->window_size - s->strstart; + if (s->strm->avail_in > have && s->block_start >= (long)s->w_size) { + /* Slide the window down. */ + s->block_start -= s->w_size; + s->strstart -= s->w_size; + zmemcpy(s->window, s->window + s->w_size, s->strstart); + if (s->matches < 2) + s->matches++; /* add a pending slide_hash() */ + have += s->w_size; /* more space now */ + if (s->insert > s->strstart) + s->insert = s->strstart; + } + if (have > s->strm->avail_in) + have = s->strm->avail_in; + if (have) { + read_buf(s->strm, s->window + s->strstart, have); + s->strstart += have; + s->insert += MIN(have, s->w_size - s->insert); + } + if (s->high_water < s->strstart) + s->high_water = s->strstart; + + /* There was not enough avail_out to write a complete worthy or flushed + * stored block to next_out. Write a stored block to pending instead, if we + * have enough input for a worthy block, or if flushing and there is enough + * room for the remaining input as a stored block in the pending buffer. + */ + have = (s->bi_valid + 42) >> 3; /* number of header bytes */ + /* maximum stored block length that will fit in pending: */ + have = MIN(s->pending_buf_size - have, MAX_STORED); + min_block = MIN(have, s->w_size); + left = s->strstart - s->block_start; + if (left >= min_block || + ((left || flush == Z_FINISH) && flush != Z_NO_FLUSH && + s->strm->avail_in == 0 && left <= have)) { + len = MIN(left, have); + last = flush == Z_FINISH && s->strm->avail_in == 0 && + len == left ? 1 : 0; + _tr_stored_block(s, (charf *)s->window + s->block_start, len, last); + s->block_start += len; + flush_pending(s->strm); + } + + /* We've done all we can with the available input and output. */ + return last ? finish_started : need_more; +} + +/* =========================================================================== + * Compress as much as possible from the input stream, return the current + * block state. + * This function does not perform lazy evaluation of matches and inserts + * new strings in the dictionary only for unmatched strings or for short + * matches. It is used only for the fast compression options. + */ +local block_state deflate_fast(s, flush) + deflate_state *s; + int flush; +{ + IPos hash_head; /* head of the hash chain */ + int bflush; /* set if current block must be flushed */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart + 2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + * At this point we have always match_length < MIN_MATCH + */ + if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ + s->match_length = longest_match (s, hash_head); + /* longest_match() sets match_start */ + } + if (s->match_length >= MIN_MATCH) { + check_match(s, s->strstart, s->match_start, s->match_length); + + _tr_tally_dist(s, s->strstart - s->match_start, + s->match_length - MIN_MATCH, bflush); + + s->lookahead -= s->match_length; + + /* Insert new strings in the hash table only if the match length + * is not too large. This saves time but degrades compression. + */ +#ifndef FASTEST + if (s->match_length <= s->max_insert_length && + s->lookahead >= MIN_MATCH) { + s->match_length--; /* string at strstart already in table */ + do { + s->strstart++; + INSERT_STRING(s, s->strstart, hash_head); + /* strstart never exceeds WSIZE-MAX_MATCH, so there are + * always MIN_MATCH bytes ahead. + */ + } while (--s->match_length != 0); + s->strstart++; + } else +#endif + { + s->strstart += s->match_length; + s->match_length = 0; + s->ins_h = s->window[s->strstart]; + UPDATE_HASH(s, s->ins_h, s->window[s->strstart + 1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not + * matter since it will be recomputed at next deflate call. + */ + } + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} + +#ifndef FASTEST +/* =========================================================================== + * Same as above, but achieves better compression. We use a lazy + * evaluation for matches: a match is finally adopted only if there is + * no better match at the next window position. + */ +local block_state deflate_slow(s, flush) + deflate_state *s; + int flush; +{ + IPos hash_head; /* head of hash chain */ + int bflush; /* set if current block must be flushed */ + + /* Process the input block. */ + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart + 2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + */ + s->prev_length = s->match_length, s->prev_match = s->match_start; + s->match_length = MIN_MATCH-1; + + if (hash_head != NIL && s->prev_length < s->max_lazy_match && + s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ + s->match_length = longest_match (s, hash_head); + /* longest_match() sets match_start */ + + if (s->match_length <= 5 && (s->strategy == Z_FILTERED +#if TOO_FAR <= 32767 + || (s->match_length == MIN_MATCH && + s->strstart - s->match_start > TOO_FAR) +#endif + )) { + + /* If prev_match is also MIN_MATCH, match_start is garbage + * but we will ignore the current match anyway. + */ + s->match_length = MIN_MATCH-1; + } + } + /* If there was a match at the previous step and the current + * match is not better, output the previous match: + */ + if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) { + uInt max_insert = s->strstart + s->lookahead - MIN_MATCH; + /* Do not insert strings in hash table beyond this. */ + + check_match(s, s->strstart - 1, s->prev_match, s->prev_length); + + _tr_tally_dist(s, s->strstart - 1 - s->prev_match, + s->prev_length - MIN_MATCH, bflush); + + /* Insert in hash table all strings up to the end of the match. + * strstart - 1 and strstart are already inserted. If there is not + * enough lookahead, the last two strings are not inserted in + * the hash table. + */ + s->lookahead -= s->prev_length - 1; + s->prev_length -= 2; + do { + if (++s->strstart <= max_insert) { + INSERT_STRING(s, s->strstart, hash_head); + } + } while (--s->prev_length != 0); + s->match_available = 0; + s->match_length = MIN_MATCH-1; + s->strstart++; + + if (bflush) FLUSH_BLOCK(s, 0); + + } else if (s->match_available) { + /* If there was no match at the previous position, output a + * single literal. If there was a match but the current match + * is longer, truncate the previous match to a single literal. + */ + Tracevv((stderr,"%c", s->window[s->strstart - 1])); + _tr_tally_lit(s, s->window[s->strstart - 1], bflush); + if (bflush) { + FLUSH_BLOCK_ONLY(s, 0); + } + s->strstart++; + s->lookahead--; + if (s->strm->avail_out == 0) return need_more; + } else { + /* There is no previous match to compare with, wait for + * the next step to decide. + */ + s->match_available = 1; + s->strstart++; + s->lookahead--; + } + } + Assert (flush != Z_NO_FLUSH, "no flush?"); + if (s->match_available) { + Tracevv((stderr,"%c", s->window[s->strstart - 1])); + _tr_tally_lit(s, s->window[s->strstart - 1], bflush); + s->match_available = 0; + } + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} +#endif /* FASTEST */ + +/* =========================================================================== + * For Z_RLE, simply look for runs of bytes, generate matches only of distance + * one. Do not maintain a hash table. (It will be regenerated if this run of + * deflate switches away from Z_RLE.) + */ +local block_state deflate_rle(s, flush) + deflate_state *s; + int flush; +{ + int bflush; /* set if current block must be flushed */ + uInt prev; /* byte at distance one to match */ + Bytef *scan, *strend; /* scan goes up to strend for length of run */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the longest run, plus one for the unrolled loop. + */ + if (s->lookahead <= MAX_MATCH) { + fill_window(s); + if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* See how many times the previous byte repeats */ + s->match_length = 0; + if (s->lookahead >= MIN_MATCH && s->strstart > 0) { + scan = s->window + s->strstart - 1; + prev = *scan; + if (prev == *++scan && prev == *++scan && prev == *++scan) { + strend = s->window + s->strstart + MAX_MATCH; + do { + } while (prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + scan < strend); + s->match_length = MAX_MATCH - (uInt)(strend - scan); + if (s->match_length > s->lookahead) + s->match_length = s->lookahead; + } + Assert(scan <= s->window + (uInt)(s->window_size - 1), + "wild scan"); + } + + /* Emit match if have run of MIN_MATCH or longer, else emit literal */ + if (s->match_length >= MIN_MATCH) { + check_match(s, s->strstart, s->strstart - 1, s->match_length); + + _tr_tally_dist(s, 1, s->match_length - MIN_MATCH, bflush); + + s->lookahead -= s->match_length; + s->strstart += s->match_length; + s->match_length = 0; + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} + +/* =========================================================================== + * For Z_HUFFMAN_ONLY, do not look for matches. Do not maintain a hash table. + * (It will be regenerated if this run of deflate switches away from Huffman.) + */ +local block_state deflate_huff(s, flush) + deflate_state *s; + int flush; +{ + int bflush; /* set if current block must be flushed */ + + for (;;) { + /* Make sure that we have a literal to write. */ + if (s->lookahead == 0) { + fill_window(s); + if (s->lookahead == 0) { + if (flush == Z_NO_FLUSH) + return need_more; + break; /* flush the current block */ + } + } + + /* Output a literal byte */ + s->match_length = 0; + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} diff --git a/deflate.h b/deflate.h new file mode 100644 index 0000000..1a06cd5 --- /dev/null +++ b/deflate.h @@ -0,0 +1,346 @@ +/* deflate.h -- internal compression state + * Copyright (C) 1995-2018 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef DEFLATE_H +#define DEFLATE_H + +#include "zutil.h" + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer creation by deflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip encoding + should be left enabled. */ +#ifndef NO_GZIP +# define GZIP +#endif + +/* =========================================================================== + * Internal compression state. + */ + +#define LENGTH_CODES 29 +/* number of length codes, not counting the special END_BLOCK code */ + +#define LITERALS 256 +/* number of literal bytes 0..255 */ + +#define L_CODES (LITERALS+1+LENGTH_CODES) +/* number of Literal or Length codes, including the END_BLOCK code */ + +#define D_CODES 30 +/* number of distance codes */ + +#define BL_CODES 19 +/* number of codes used to transfer the bit lengths */ + +#define HEAP_SIZE (2*L_CODES+1) +/* maximum heap size */ + +#define MAX_BITS 15 +/* All codes must not exceed MAX_BITS bits */ + +#define Buf_size 16 +/* size of bit buffer in bi_buf */ + +#define INIT_STATE 42 /* zlib header -> BUSY_STATE */ +#ifdef GZIP +# define GZIP_STATE 57 /* gzip header -> BUSY_STATE | EXTRA_STATE */ +#endif +#define EXTRA_STATE 69 /* gzip extra block -> NAME_STATE */ +#define NAME_STATE 73 /* gzip file name -> COMMENT_STATE */ +#define COMMENT_STATE 91 /* gzip comment -> HCRC_STATE */ +#define HCRC_STATE 103 /* gzip header CRC -> BUSY_STATE */ +#define BUSY_STATE 113 /* deflate -> FINISH_STATE */ +#define FINISH_STATE 666 /* stream complete */ +/* Stream status */ + + +/* Data structure describing a single value and its code string. */ +typedef struct ct_data_s { + union { + ush freq; /* frequency count */ + ush code; /* bit string */ + } fc; + union { + ush dad; /* father node in Huffman tree */ + ush len; /* length of bit string */ + } dl; +} FAR ct_data; + +#define Freq fc.freq +#define Code fc.code +#define Dad dl.dad +#define Len dl.len + +typedef struct static_tree_desc_s static_tree_desc; + +typedef struct tree_desc_s { + ct_data *dyn_tree; /* the dynamic tree */ + int max_code; /* largest code with non zero frequency */ + const static_tree_desc *stat_desc; /* the corresponding static tree */ +} FAR tree_desc; + +typedef ush Pos; +typedef Pos FAR Posf; +typedef unsigned IPos; + +/* A Pos is an index in the character window. We use short instead of int to + * save space in the various tables. IPos is used only for parameter passing. + */ + +typedef struct internal_state { + z_streamp strm; /* pointer back to this zlib stream */ + int status; /* as the name implies */ + Bytef *pending_buf; /* output still pending */ + ulg pending_buf_size; /* size of pending_buf */ + Bytef *pending_out; /* next pending byte to output to the stream */ + ulg pending; /* nb of bytes in the pending buffer */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + gz_headerp gzhead; /* gzip header information to write */ + ulg gzindex; /* where in extra, name, or comment */ + Byte method; /* can only be DEFLATED */ + int last_flush; /* value of flush param for previous deflate call */ + + /* used by deflate.c: */ + + uInt w_size; /* LZ77 window size (32K by default) */ + uInt w_bits; /* log2(w_size) (8..16) */ + uInt w_mask; /* w_size - 1 */ + + Bytef *window; + /* Sliding window. Input bytes are read into the second half of the window, + * and move to the first half later to keep a dictionary of at least wSize + * bytes. With this organization, matches are limited to a distance of + * wSize-MAX_MATCH bytes, but this ensures that IO is always + * performed with a length multiple of the block size. Also, it limits + * the window size to 64K, which is quite useful on MSDOS. + * To do: use the user input buffer as sliding window. + */ + + ulg window_size; + /* Actual size of window: 2*wSize, except when the user input buffer + * is directly used as sliding window. + */ + + Posf *prev; + /* Link to older string with same hash index. To limit the size of this + * array to 64K, this link is maintained only for the last 32K strings. + * An index in this array is thus a window index modulo 32K. + */ + + Posf *head; /* Heads of the hash chains or NIL. */ + + uInt ins_h; /* hash index of string to be inserted */ + uInt hash_size; /* number of elements in hash table */ + uInt hash_bits; /* log2(hash_size) */ + uInt hash_mask; /* hash_size-1 */ + + uInt hash_shift; + /* Number of bits by which ins_h must be shifted at each input + * step. It must be such that after MIN_MATCH steps, the oldest + * byte no longer takes part in the hash key, that is: + * hash_shift * MIN_MATCH >= hash_bits + */ + + long block_start; + /* Window position at the beginning of the current output block. Gets + * negative when the window is moved backwards. + */ + + uInt match_length; /* length of best match */ + IPos prev_match; /* previous match */ + int match_available; /* set if previous match exists */ + uInt strstart; /* start of string to insert */ + uInt match_start; /* start of matching string */ + uInt lookahead; /* number of valid bytes ahead in window */ + + uInt prev_length; + /* Length of the best match at previous step. Matches not greater than this + * are discarded. This is used in the lazy match evaluation. + */ + + uInt max_chain_length; + /* To speed up deflation, hash chains are never searched beyond this + * length. A higher limit improves compression ratio but degrades the + * speed. + */ + + uInt max_lazy_match; + /* Attempt to find a better match only when the current match is strictly + * smaller than this value. This mechanism is used only for compression + * levels >= 4. + */ +# define max_insert_length max_lazy_match + /* Insert new strings in the hash table only if the match length is not + * greater than this length. This saves time but degrades compression. + * max_insert_length is used only for compression levels <= 3. + */ + + int level; /* compression level (1..9) */ + int strategy; /* favor or force Huffman coding*/ + + uInt good_match; + /* Use a faster search when the previous match is longer than this */ + + int nice_match; /* Stop searching when current match exceeds this */ + + /* used by trees.c: */ + /* Didn't use ct_data typedef below to suppress compiler warning */ + struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ + struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ + struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ + + struct tree_desc_s l_desc; /* desc. for literal tree */ + struct tree_desc_s d_desc; /* desc. for distance tree */ + struct tree_desc_s bl_desc; /* desc. for bit length tree */ + + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */ + int heap_len; /* number of elements in the heap */ + int heap_max; /* element of largest frequency */ + /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. + * The same heap array is used to build all trees. + */ + + uch depth[2*L_CODES+1]; + /* Depth of each subtree used as tie breaker for trees of equal frequency + */ + + uchf *sym_buf; /* buffer for distances and literals/lengths */ + + uInt lit_bufsize; + /* Size of match buffer for literals/lengths. There are 4 reasons for + * limiting lit_bufsize to 64K: + * - frequencies can be kept in 16 bit counters + * - if compression is not successful for the first block, all input + * data is still in the window so we can still emit a stored block even + * when input comes from standard input. (This can also be done for + * all blocks if lit_bufsize is not greater than 32K.) + * - if compression is not successful for a file smaller than 64K, we can + * even emit a stored file instead of a stored block (saving 5 bytes). + * This is applicable only for zip (not gzip or zlib). + * - creating new Huffman trees less frequently may not provide fast + * adaptation to changes in the input data statistics. (Take for + * example a binary file with poorly compressible code followed by + * a highly compressible string table.) Smaller buffer sizes give + * fast adaptation but have of course the overhead of transmitting + * trees more frequently. + * - I can't count above 4 + */ + + uInt sym_next; /* running index in sym_buf */ + uInt sym_end; /* symbol table full when sym_next reaches this */ + + ulg opt_len; /* bit length of current block with optimal trees */ + ulg static_len; /* bit length of current block with static trees */ + uInt matches; /* number of string matches in current block */ + uInt insert; /* bytes at end of window left to insert */ + +#ifdef ZLIB_DEBUG + ulg compressed_len; /* total bit length of compressed file mod 2^32 */ + ulg bits_sent; /* bit length of compressed data sent mod 2^32 */ +#endif + + ush bi_buf; + /* Output buffer. bits are inserted starting at the bottom (least + * significant bits). + */ + int bi_valid; + /* Number of valid bits in bi_buf. All bits above the last valid bit + * are always zero. + */ + + ulg high_water; + /* High water mark offset in window for initialized bytes -- bytes above + * this are set to zero in order to avoid memory check warnings when + * longest match routines access bytes past the input. This is then + * updated to the new high water mark. + */ + +} FAR deflate_state; + +/* Output a byte on the stream. + * IN assertion: there is enough room in pending_buf. + */ +#define put_byte(s, c) {s->pending_buf[s->pending++] = (Bytef)(c);} + + +#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) +/* Minimum amount of lookahead, except at the end of the input file. + * See deflate.c for comments about the MIN_MATCH+1. + */ + +#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) +/* In order to simplify the code, particularly on 16 bit machines, match + * distances are limited to MAX_DIST instead of WSIZE. + */ + +#define WIN_INIT MAX_MATCH +/* Number of bytes after end of data in window to initialize in order to avoid + memory checker errors from longest match routines */ + + /* in trees.c */ +void ZLIB_INTERNAL _tr_init OF((deflate_state *s)); +int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); +void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf, + ulg stored_len, int last)); +void ZLIB_INTERNAL _tr_flush_bits OF((deflate_state *s)); +void ZLIB_INTERNAL _tr_align OF((deflate_state *s)); +void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, + ulg stored_len, int last)); + +#define d_code(dist) \ + ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) +/* Mapping from a distance to a distance code. dist is the distance - 1 and + * must not have side effects. _dist_code[256] and _dist_code[257] are never + * used. + */ + +#ifndef ZLIB_DEBUG +/* Inline versions of _tr_tally for speed: */ + +#if defined(GEN_TREES_H) || !defined(STDC) + extern uch ZLIB_INTERNAL _length_code[]; + extern uch ZLIB_INTERNAL _dist_code[]; +#else + extern const uch ZLIB_INTERNAL _length_code[]; + extern const uch ZLIB_INTERNAL _dist_code[]; +#endif + +# define _tr_tally_lit(s, c, flush) \ + { uch cc = (c); \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = cc; \ + s->dyn_ltree[cc].Freq++; \ + flush = (s->sym_next == s->sym_end); \ + } +# define _tr_tally_dist(s, distance, length, flush) \ + { uch len = (uch)(length); \ + ush dist = (ush)(distance); \ + s->sym_buf[s->sym_next++] = (uch)dist; \ + s->sym_buf[s->sym_next++] = (uch)(dist >> 8); \ + s->sym_buf[s->sym_next++] = len; \ + dist--; \ + s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ + s->dyn_dtree[d_code(dist)].Freq++; \ + flush = (s->sym_next == s->sym_end); \ + } +#else +# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) +# define _tr_tally_dist(s, distance, length, flush) \ + flush = _tr_tally(s, distance, length) +#endif + +#endif /* DEFLATE_H */ diff --git a/doc/algorithm.txt b/doc/algorithm.txt new file mode 100644 index 0000000..c97f495 --- /dev/null +++ b/doc/algorithm.txt @@ -0,0 +1,209 @@ +1. Compression algorithm (deflate) + +The deflation algorithm used by gzip (also zip and zlib) is a variation of +LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in +the input data. The second occurrence of a string is replaced by a +pointer to the previous string, in the form of a pair (distance, +length). Distances are limited to 32K bytes, and lengths are limited +to 258 bytes. When a string does not occur anywhere in the previous +32K bytes, it is emitted as a sequence of literal bytes. (In this +description, `string' must be taken as an arbitrary sequence of bytes, +and is not restricted to printable characters.) + +Literals or match lengths are compressed with one Huffman tree, and +match distances are compressed with another tree. The trees are stored +in a compact form at the start of each block. The blocks can have any +size (except that the compressed data for one block must fit in +available memory). A block is terminated when deflate() determines that +it would be useful to start another block with fresh trees. (This is +somewhat similar to the behavior of LZW-based _compress_.) + +Duplicated strings are found using a hash table. All input strings of +length 3 are inserted in the hash table. A hash index is computed for +the next 3 bytes. If the hash chain for this index is not empty, all +strings in the chain are compared with the current input string, and +the longest match is selected. + +The hash chains are searched starting with the most recent strings, to +favor small distances and thus take advantage of the Huffman encoding. +The hash chains are singly linked. There are no deletions from the +hash chains, the algorithm simply discards matches that are too old. + +To avoid a worst-case situation, very long hash chains are arbitrarily +truncated at a certain length, determined by a runtime option (level +parameter of deflateInit). So deflate() does not always find the longest +possible match but generally finds a match which is long enough. + +deflate() also defers the selection of matches with a lazy evaluation +mechanism. After a match of length N has been found, deflate() searches for +a longer match at the next input byte. If a longer match is found, the +previous match is truncated to a length of one (thus producing a single +literal byte) and the process of lazy evaluation begins again. Otherwise, +the original match is kept, and the next match search is attempted only N +steps later. + +The lazy match evaluation is also subject to a runtime parameter. If +the current match is long enough, deflate() reduces the search for a longer +match, thus speeding up the whole process. If compression ratio is more +important than speed, deflate() attempts a complete second search even if +the first match is already long enough. + +The lazy match evaluation is not performed for the fastest compression +modes (level parameter 1 to 3). For these fast modes, new strings +are inserted in the hash table only when no match was found, or +when the match is not too long. This degrades the compression ratio +but saves time since there are both fewer insertions and fewer searches. + + +2. Decompression algorithm (inflate) + +2.1 Introduction + +The key question is how to represent a Huffman code (or any prefix code) so +that you can decode fast. The most important characteristic is that shorter +codes are much more common than longer codes, so pay attention to decoding the +short codes fast, and let the long codes take longer to decode. + +inflate() sets up a first level table that covers some number of bits of +input less than the length of longest code. It gets that many bits from the +stream, and looks it up in the table. The table will tell if the next +code is that many bits or less and how many, and if it is, it will tell +the value, else it will point to the next level table for which inflate() +grabs more bits and tries to decode a longer code. + +How many bits to make the first lookup is a tradeoff between the time it +takes to decode and the time it takes to build the table. If building the +table took no time (and if you had infinite memory), then there would only +be a first level table to cover all the way to the longest code. However, +building the table ends up taking a lot longer for more bits since short +codes are replicated many times in such a table. What inflate() does is +simply to make the number of bits in the first table a variable, and then +to set that variable for the maximum speed. + +For inflate, which has 286 possible codes for the literal/length tree, the size +of the first table is nine bits. Also the distance trees have 30 possible +values, and the size of the first table is six bits. Note that for each of +those cases, the table ended up one bit longer than the ``average'' code +length, i.e. the code length of an approximately flat code which would be a +little more than eight bits for 286 symbols and a little less than five bits +for 30 symbols. + + +2.2 More details on the inflate table lookup + +Ok, you want to know what this cleverly obfuscated inflate tree actually +looks like. You are correct that it's not a Huffman tree. It is simply a +lookup table for the first, let's say, nine bits of a Huffman symbol. The +symbol could be as short as one bit or as long as 15 bits. If a particular +symbol is shorter than nine bits, then that symbol's translation is duplicated +in all those entries that start with that symbol's bits. For example, if the +symbol is four bits, then it's duplicated 32 times in a nine-bit table. If a +symbol is nine bits long, it appears in the table once. + +If the symbol is longer than nine bits, then that entry in the table points +to another similar table for the remaining bits. Again, there are duplicated +entries as needed. The idea is that most of the time the symbol will be short +and there will only be one table look up. (That's whole idea behind data +compression in the first place.) For the less frequent long symbols, there +will be two lookups. If you had a compression method with really long +symbols, you could have as many levels of lookups as is efficient. For +inflate, two is enough. + +So a table entry either points to another table (in which case nine bits in +the above example are gobbled), or it contains the translation for the symbol +and the number of bits to gobble. Then you start again with the next +ungobbled bit. + +You may wonder: why not just have one lookup table for how ever many bits the +longest symbol is? The reason is that if you do that, you end up spending +more time filling in duplicate symbol entries than you do actually decoding. +At least for deflate's output that generates new trees every several 10's of +kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code +would take too long if you're only decoding several thousand symbols. At the +other extreme, you could make a new table for every bit in the code. In fact, +that's essentially a Huffman tree. But then you spend too much time +traversing the tree while decoding, even for short symbols. + +So the number of bits for the first lookup table is a trade of the time to +fill out the table vs. the time spent looking at the second level and above of +the table. + +Here is an example, scaled down: + +The code being decoded, with 10 symbols, from 1 to 6 bits long: + +A: 0 +B: 10 +C: 1100 +D: 11010 +E: 11011 +F: 11100 +G: 11101 +H: 11110 +I: 111110 +J: 111111 + +Let's make the first table three bits long (eight entries): + +000: A,1 +001: A,1 +010: A,1 +011: A,1 +100: B,2 +101: B,2 +110: -> table X (gobble 3 bits) +111: -> table Y (gobble 3 bits) + +Each entry is what the bits decode as and how many bits that is, i.e. how +many bits to gobble. Or the entry points to another table, with the number of +bits to gobble implicit in the size of the table. + +Table X is two bits long since the longest code starting with 110 is five bits +long: + +00: C,1 +01: C,1 +10: D,2 +11: E,2 + +Table Y is three bits long since the longest code starting with 111 is six +bits long: + +000: F,2 +001: F,2 +010: G,2 +011: G,2 +100: H,2 +101: H,2 +110: I,3 +111: J,3 + +So what we have here are three tables with a total of 20 entries that had to +be constructed. That's compared to 64 entries for a single table. Or +compared to 16 entries for a Huffman tree (six two entry tables and one four +entry table). Assuming that the code ideally represents the probability of +the symbols, it takes on the average 1.25 lookups per symbol. That's compared +to one lookup for the single table, or 1.66 lookups per symbol for the +Huffman tree. + +There, I think that gives you a picture of what's going on. For inflate, the +meaning of a particular symbol is often more than just a letter. It can be a +byte (a "literal"), or it can be either a length or a distance which +indicates a base value and a number of bits to fetch after the code that is +added to the base value. Or it might be the special end-of-block code. The +data structures created in inftrees.c try to encode all that information +compactly in the tables. + + +Jean-loup Gailly Mark Adler +jloup@gzip.org madler@alumni.caltech.edu + + +References: + +[LZ77] Ziv J., Lempel A., ``A Universal Algorithm for Sequential Data +Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3, +pp. 337-343. + +``DEFLATE Compressed Data Format Specification'' available in +http://tools.ietf.org/html/rfc1951 diff --git a/doc/crc-doc.1.0.pdf b/doc/crc-doc.1.0.pdf new file mode 100644 index 0000000..d6942ec Binary files /dev/null and b/doc/crc-doc.1.0.pdf differ diff --git a/doc/rfc1950.txt b/doc/rfc1950.txt new file mode 100644 index 0000000..ce6428a --- /dev/null +++ b/doc/rfc1950.txt @@ -0,0 +1,619 @@ + + + + + + +Network Working Group P. Deutsch +Request for Comments: 1950 Aladdin Enterprises +Category: Informational J-L. Gailly + Info-ZIP + May 1996 + + + ZLIB Compressed Data Format Specification version 3.3 + +Status of This Memo + + This memo provides information for the Internet community. This memo + does not specify an Internet standard of any kind. Distribution of + this memo is unlimited. + +IESG Note: + + The IESG takes no position on the validity of any Intellectual + Property Rights statements contained in this document. + +Notices + + Copyright (c) 1996 L. Peter Deutsch and Jean-Loup Gailly + + Permission is granted to copy and distribute this document for any + purpose and without charge, including translations into other + languages and incorporation into compilations, provided that the + copyright notice and this notice are preserved, and that any + substantive changes or deletions from the original are clearly + marked. + + A pointer to the latest version of this and related documentation in + HTML format can be found at the URL + . + +Abstract + + This specification defines a lossless compressed data format. The + data can be produced or consumed, even for an arbitrarily long + sequentially presented input data stream, using only an a priori + bounded amount of intermediate storage. The format presently uses + the DEFLATE compression method but can be easily extended to use + other compression methods. It can be implemented readily in a manner + not covered by patents. This specification also defines the ADLER-32 + checksum (an extension and improvement of the Fletcher checksum), + used for detection of data corruption, and provides an algorithm for + computing it. + + + + +Deutsch & Gailly Informational [Page 1] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + +Table of Contents + + 1. Introduction ................................................... 2 + 1.1. Purpose ................................................... 2 + 1.2. Intended audience ......................................... 3 + 1.3. Scope ..................................................... 3 + 1.4. Compliance ................................................ 3 + 1.5. Definitions of terms and conventions used ................ 3 + 1.6. Changes from previous versions ............................ 3 + 2. Detailed specification ......................................... 3 + 2.1. Overall conventions ....................................... 3 + 2.2. Data format ............................................... 4 + 2.3. Compliance ................................................ 7 + 3. References ..................................................... 7 + 4. Source code .................................................... 8 + 5. Security Considerations ........................................ 8 + 6. Acknowledgements ............................................... 8 + 7. Authors' Addresses ............................................. 8 + 8. Appendix: Rationale ............................................ 9 + 9. Appendix: Sample code ..........................................10 + +1. Introduction + + 1.1. Purpose + + The purpose of this specification is to define a lossless + compressed data format that: + + * Is independent of CPU type, operating system, file system, + and character set, and hence can be used for interchange; + + * Can be produced or consumed, even for an arbitrarily long + sequentially presented input data stream, using only an a + priori bounded amount of intermediate storage, and hence can + be used in data communications or similar structures such as + Unix filters; + + * Can use a number of different compression methods; + + * Can be implemented readily in a manner not covered by + patents, and hence can be practiced freely. + + The data format defined by this specification does not attempt to + allow random access to compressed data. + + + + + + + +Deutsch & Gailly Informational [Page 2] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + 1.2. Intended audience + + This specification is intended for use by implementors of software + to compress data into zlib format and/or decompress data from zlib + format. + + The text of the specification assumes a basic background in + programming at the level of bits and other primitive data + representations. + + 1.3. Scope + + The specification specifies a compressed data format that can be + used for in-memory compression of a sequence of arbitrary bytes. + + 1.4. Compliance + + Unless otherwise indicated below, a compliant decompressor must be + able to accept and decompress any data set that conforms to all + the specifications presented here; a compliant compressor must + produce data sets that conform to all the specifications presented + here. + + 1.5. Definitions of terms and conventions used + + byte: 8 bits stored or transmitted as a unit (same as an octet). + (For this specification, a byte is exactly 8 bits, even on + machines which store a character on a number of bits different + from 8.) See below, for the numbering of bits within a byte. + + 1.6. Changes from previous versions + + Version 3.1 was the first public release of this specification. + In version 3.2, some terminology was changed and the Adler-32 + sample code was rewritten for clarity. In version 3.3, the + support for a preset dictionary was introduced, and the + specification was converted to RFC style. + +2. Detailed specification + + 2.1. Overall conventions + + In the diagrams below, a box like this: + + +---+ + | | <-- the vertical bars might be missing + +---+ + + + + +Deutsch & Gailly Informational [Page 3] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + represents one byte; a box like this: + + +==============+ + | | + +==============+ + + represents a variable number of bytes. + + Bytes stored within a computer do not have a "bit order", since + they are always treated as a unit. However, a byte considered as + an integer between 0 and 255 does have a most- and least- + significant bit, and since we write numbers with the most- + significant digit on the left, we also write bytes with the most- + significant bit on the left. In the diagrams below, we number the + bits of a byte so that bit 0 is the least-significant bit, i.e., + the bits are numbered: + + +--------+ + |76543210| + +--------+ + + Within a computer, a number may occupy multiple bytes. All + multi-byte numbers in the format described here are stored with + the MOST-significant byte first (at the lower memory address). + For example, the decimal number 520 is stored as: + + 0 1 + +--------+--------+ + |00000010|00001000| + +--------+--------+ + ^ ^ + | | + | + less significant byte = 8 + + more significant byte = 2 x 256 + + 2.2. Data format + + A zlib stream has the following structure: + + 0 1 + +---+---+ + |CMF|FLG| (more-->) + +---+---+ + + + + + + + + +Deutsch & Gailly Informational [Page 4] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + (if FLG.FDICT set) + + 0 1 2 3 + +---+---+---+---+ + | DICTID | (more-->) + +---+---+---+---+ + + +=====================+---+---+---+---+ + |...compressed data...| ADLER32 | + +=====================+---+---+---+---+ + + Any data which may appear after ADLER32 are not part of the zlib + stream. + + CMF (Compression Method and flags) + This byte is divided into a 4-bit compression method and a 4- + bit information field depending on the compression method. + + bits 0 to 3 CM Compression method + bits 4 to 7 CINFO Compression info + + CM (Compression method) + This identifies the compression method used in the file. CM = 8 + denotes the "deflate" compression method with a window size up + to 32K. This is the method used by gzip and PNG (see + references [1] and [2] in Chapter 3, below, for the reference + documents). CM = 15 is reserved. It might be used in a future + version of this specification to indicate the presence of an + extra field before the compressed data. + + CINFO (Compression info) + For CM = 8, CINFO is the base-2 logarithm of the LZ77 window + size, minus eight (CINFO=7 indicates a 32K window size). Values + of CINFO above 7 are not allowed in this version of the + specification. CINFO is not defined in this specification for + CM not equal to 8. + + FLG (FLaGs) + This flag byte is divided as follows: + + bits 0 to 4 FCHECK (check bits for CMF and FLG) + bit 5 FDICT (preset dictionary) + bits 6 to 7 FLEVEL (compression level) + + The FCHECK value must be such that CMF and FLG, when viewed as + a 16-bit unsigned integer stored in MSB order (CMF*256 + FLG), + is a multiple of 31. + + + + +Deutsch & Gailly Informational [Page 5] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + FDICT (Preset dictionary) + If FDICT is set, a DICT dictionary identifier is present + immediately after the FLG byte. The dictionary is a sequence of + bytes which are initially fed to the compressor without + producing any compressed output. DICT is the Adler-32 checksum + of this sequence of bytes (see the definition of ADLER32 + below). The decompressor can use this identifier to determine + which dictionary has been used by the compressor. + + FLEVEL (Compression level) + These flags are available for use by specific compression + methods. The "deflate" method (CM = 8) sets these flags as + follows: + + 0 - compressor used fastest algorithm + 1 - compressor used fast algorithm + 2 - compressor used default algorithm + 3 - compressor used maximum compression, slowest algorithm + + The information in FLEVEL is not needed for decompression; it + is there to indicate if recompression might be worthwhile. + + compressed data + For compression method 8, the compressed data is stored in the + deflate compressed data format as described in the document + "DEFLATE Compressed Data Format Specification" by L. Peter + Deutsch. (See reference [3] in Chapter 3, below) + + Other compressed data formats are not specified in this version + of the zlib specification. + + ADLER32 (Adler-32 checksum) + This contains a checksum value of the uncompressed data + (excluding any dictionary data) computed according to Adler-32 + algorithm. This algorithm is a 32-bit extension and improvement + of the Fletcher algorithm, used in the ITU-T X.224 / ISO 8073 + standard. See references [4] and [5] in Chapter 3, below) + + Adler-32 is composed of two sums accumulated per byte: s1 is + the sum of all bytes, s2 is the sum of all s1 values. Both sums + are done modulo 65521. s1 is initialized to 1, s2 to zero. The + Adler-32 checksum is stored as s2*65536 + s1 in most- + significant-byte first (network) order. + + + + + + + + +Deutsch & Gailly Informational [Page 6] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + 2.3. Compliance + + A compliant compressor must produce streams with correct CMF, FLG + and ADLER32, but need not support preset dictionaries. When the + zlib data format is used as part of another standard data format, + the compressor may use only preset dictionaries that are specified + by this other data format. If this other format does not use the + preset dictionary feature, the compressor must not set the FDICT + flag. + + A compliant decompressor must check CMF, FLG, and ADLER32, and + provide an error indication if any of these have incorrect values. + A compliant decompressor must give an error indication if CM is + not one of the values defined in this specification (only the + value 8 is permitted in this version), since another value could + indicate the presence of new features that would cause subsequent + data to be interpreted incorrectly. A compliant decompressor must + give an error indication if FDICT is set and DICTID is not the + identifier of a known preset dictionary. A decompressor may + ignore FLEVEL and still be compliant. When the zlib data format + is being used as a part of another standard format, a compliant + decompressor must support all the preset dictionaries specified by + the other format. When the other format does not use the preset + dictionary feature, a compliant decompressor must reject any + stream in which the FDICT flag is set. + +3. References + + [1] Deutsch, L.P.,"GZIP Compressed Data Format Specification", + available in ftp://ftp.uu.net/pub/archiving/zip/doc/ + + [2] Thomas Boutell, "PNG (Portable Network Graphics) specification", + available in ftp://ftp.uu.net/graphics/png/documents/ + + [3] Deutsch, L.P.,"DEFLATE Compressed Data Format Specification", + available in ftp://ftp.uu.net/pub/archiving/zip/doc/ + + [4] Fletcher, J. G., "An Arithmetic Checksum for Serial + Transmissions," IEEE Transactions on Communications, Vol. COM-30, + No. 1, January 1982, pp. 247-252. + + [5] ITU-T Recommendation X.224, Annex D, "Checksum Algorithms," + November, 1993, pp. 144, 145. (Available from + gopher://info.itu.ch). ITU-T X.244 is also the same as ISO 8073. + + + + + + + +Deutsch & Gailly Informational [Page 7] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + +4. Source code + + Source code for a C language implementation of a "zlib" compliant + library is available at ftp://ftp.uu.net/pub/archiving/zip/zlib/. + +5. Security Considerations + + A decoder that fails to check the ADLER32 checksum value may be + subject to undetected data corruption. + +6. Acknowledgements + + Trademarks cited in this document are the property of their + respective owners. + + Jean-Loup Gailly and Mark Adler designed the zlib format and wrote + the related software described in this specification. Glenn + Randers-Pehrson converted this document to RFC and HTML format. + +7. Authors' Addresses + + L. Peter Deutsch + Aladdin Enterprises + 203 Santa Margarita Ave. + Menlo Park, CA 94025 + + Phone: (415) 322-0103 (AM only) + FAX: (415) 322-1734 + EMail: + + + Jean-Loup Gailly + + EMail: + + Questions about the technical content of this specification can be + sent by email to + + Jean-Loup Gailly and + Mark Adler + + Editorial comments on this specification can be sent by email to + + L. Peter Deutsch and + Glenn Randers-Pehrson + + + + + + +Deutsch & Gailly Informational [Page 8] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + +8. Appendix: Rationale + + 8.1. Preset dictionaries + + A preset dictionary is specially useful to compress short input + sequences. The compressor can take advantage of the dictionary + context to encode the input in a more compact manner. The + decompressor can be initialized with the appropriate context by + virtually decompressing a compressed version of the dictionary + without producing any output. However for certain compression + algorithms such as the deflate algorithm this operation can be + achieved without actually performing any decompression. + + The compressor and the decompressor must use exactly the same + dictionary. The dictionary may be fixed or may be chosen among a + certain number of predefined dictionaries, according to the kind + of input data. The decompressor can determine which dictionary has + been chosen by the compressor by checking the dictionary + identifier. This document does not specify the contents of + predefined dictionaries, since the optimal dictionaries are + application specific. Standard data formats using this feature of + the zlib specification must precisely define the allowed + dictionaries. + + 8.2. The Adler-32 algorithm + + The Adler-32 algorithm is much faster than the CRC32 algorithm yet + still provides an extremely low probability of undetected errors. + + The modulo on unsigned long accumulators can be delayed for 5552 + bytes, so the modulo operation time is negligible. If the bytes + are a, b, c, the second sum is 3a + 2b + c + 3, and so is position + and order sensitive, unlike the first sum, which is just a + checksum. That 65521 is prime is important to avoid a possible + large class of two-byte errors that leave the check unchanged. + (The Fletcher checksum uses 255, which is not prime and which also + makes the Fletcher check insensitive to single byte changes 0 <-> + 255.) + + The sum s1 is initialized to 1 instead of zero to make the length + of the sequence part of s2, so that the length does not have to be + checked separately. (Any sequence of zeroes has a Fletcher + checksum of zero.) + + + + + + + + +Deutsch & Gailly Informational [Page 9] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + +9. Appendix: Sample code + + The following C code computes the Adler-32 checksum of a data buffer. + It is written for clarity, not for speed. The sample code is in the + ANSI C programming language. Non C users may find it easier to read + with these hints: + + & Bitwise AND operator. + >> Bitwise right shift operator. When applied to an + unsigned quantity, as here, right shift inserts zero bit(s) + at the left. + << Bitwise left shift operator. Left shift inserts zero + bit(s) at the right. + ++ "n++" increments the variable n. + % modulo operator: a % b is the remainder of a divided by b. + + #define BASE 65521 /* largest prime smaller than 65536 */ + + /* + Update a running Adler-32 checksum with the bytes buf[0..len-1] + and return the updated checksum. The Adler-32 checksum should be + initialized to 1. + + Usage example: + + unsigned long adler = 1L; + + while (read_buffer(buffer, length) != EOF) { + adler = update_adler32(adler, buffer, length); + } + if (adler != original_adler) error(); + */ + unsigned long update_adler32(unsigned long adler, + unsigned char *buf, int len) + { + unsigned long s1 = adler & 0xffff; + unsigned long s2 = (adler >> 16) & 0xffff; + int n; + + for (n = 0; n < len; n++) { + s1 = (s1 + buf[n]) % BASE; + s2 = (s2 + s1) % BASE; + } + return (s2 << 16) + s1; + } + + /* Return the adler32 of the bytes buf[0..len-1] */ + + + + +Deutsch & Gailly Informational [Page 10] + +RFC 1950 ZLIB Compressed Data Format Specification May 1996 + + + unsigned long adler32(unsigned char *buf, int len) + { + return update_adler32(1L, buf, len); + } + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Deutsch & Gailly Informational [Page 11] + diff --git a/doc/rfc1951.txt b/doc/rfc1951.txt new file mode 100644 index 0000000..403c8c7 --- /dev/null +++ b/doc/rfc1951.txt @@ -0,0 +1,955 @@ + + + + + + +Network Working Group P. Deutsch +Request for Comments: 1951 Aladdin Enterprises +Category: Informational May 1996 + + + DEFLATE Compressed Data Format Specification version 1.3 + +Status of This Memo + + This memo provides information for the Internet community. This memo + does not specify an Internet standard of any kind. Distribution of + this memo is unlimited. + +IESG Note: + + The IESG takes no position on the validity of any Intellectual + Property Rights statements contained in this document. + +Notices + + Copyright (c) 1996 L. Peter Deutsch + + Permission is granted to copy and distribute this document for any + purpose and without charge, including translations into other + languages and incorporation into compilations, provided that the + copyright notice and this notice are preserved, and that any + substantive changes or deletions from the original are clearly + marked. + + A pointer to the latest version of this and related documentation in + HTML format can be found at the URL + . + +Abstract + + This specification defines a lossless compressed data format that + compresses data using a combination of the LZ77 algorithm and Huffman + coding, with efficiency comparable to the best currently available + general-purpose compression methods. The data can be produced or + consumed, even for an arbitrarily long sequentially presented input + data stream, using only an a priori bounded amount of intermediate + storage. The format can be implemented readily in a manner not + covered by patents. + + + + + + + + +Deutsch Informational [Page 1] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + +Table of Contents + + 1. Introduction ................................................... 2 + 1.1. Purpose ................................................... 2 + 1.2. Intended audience ......................................... 3 + 1.3. Scope ..................................................... 3 + 1.4. Compliance ................................................ 3 + 1.5. Definitions of terms and conventions used ................ 3 + 1.6. Changes from previous versions ............................ 4 + 2. Compressed representation overview ............................. 4 + 3. Detailed specification ......................................... 5 + 3.1. Overall conventions ....................................... 5 + 3.1.1. Packing into bytes .................................. 5 + 3.2. Compressed block format ................................... 6 + 3.2.1. Synopsis of prefix and Huffman coding ............... 6 + 3.2.2. Use of Huffman coding in the "deflate" format ....... 7 + 3.2.3. Details of block format ............................. 9 + 3.2.4. Non-compressed blocks (BTYPE=00) ................... 11 + 3.2.5. Compressed blocks (length and distance codes) ...... 11 + 3.2.6. Compression with fixed Huffman codes (BTYPE=01) .... 12 + 3.2.7. Compression with dynamic Huffman codes (BTYPE=10) .. 13 + 3.3. Compliance ............................................... 14 + 4. Compression algorithm details ................................. 14 + 5. References .................................................... 16 + 6. Security Considerations ....................................... 16 + 7. Source code ................................................... 16 + 8. Acknowledgements .............................................. 16 + 9. Author's Address .............................................. 17 + +1. Introduction + + 1.1. Purpose + + The purpose of this specification is to define a lossless + compressed data format that: + * Is independent of CPU type, operating system, file system, + and character set, and hence can be used for interchange; + * Can be produced or consumed, even for an arbitrarily long + sequentially presented input data stream, using only an a + priori bounded amount of intermediate storage, and hence + can be used in data communications or similar structures + such as Unix filters; + * Compresses data with efficiency comparable to the best + currently available general-purpose compression methods, + and in particular considerably better than the "compress" + program; + * Can be implemented readily in a manner not covered by + patents, and hence can be practiced freely; + + + +Deutsch Informational [Page 2] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + * Is compatible with the file format produced by the current + widely used gzip utility, in that conforming decompressors + will be able to read data produced by the existing gzip + compressor. + + The data format defined by this specification does not attempt to: + + * Allow random access to compressed data; + * Compress specialized data (e.g., raster graphics) as well + as the best currently available specialized algorithms. + + A simple counting argument shows that no lossless compression + algorithm can compress every possible input data set. For the + format defined here, the worst case expansion is 5 bytes per 32K- + byte block, i.e., a size increase of 0.015% for large data sets. + English text usually compresses by a factor of 2.5 to 3; + executable files usually compress somewhat less; graphical data + such as raster images may compress much more. + + 1.2. Intended audience + + This specification is intended for use by implementors of software + to compress data into "deflate" format and/or decompress data from + "deflate" format. + + The text of the specification assumes a basic background in + programming at the level of bits and other primitive data + representations. Familiarity with the technique of Huffman coding + is helpful but not required. + + 1.3. Scope + + The specification specifies a method for representing a sequence + of bytes as a (usually shorter) sequence of bits, and a method for + packing the latter bit sequence into bytes. + + 1.4. Compliance + + Unless otherwise indicated below, a compliant decompressor must be + able to accept and decompress any data set that conforms to all + the specifications presented here; a compliant compressor must + produce data sets that conform to all the specifications presented + here. + + 1.5. Definitions of terms and conventions used + + Byte: 8 bits stored or transmitted as a unit (same as an octet). + For this specification, a byte is exactly 8 bits, even on machines + + + +Deutsch Informational [Page 3] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + which store a character on a number of bits different from eight. + See below, for the numbering of bits within a byte. + + String: a sequence of arbitrary bytes. + + 1.6. Changes from previous versions + + There have been no technical changes to the deflate format since + version 1.1 of this specification. In version 1.2, some + terminology was changed. Version 1.3 is a conversion of the + specification to RFC style. + +2. Compressed representation overview + + A compressed data set consists of a series of blocks, corresponding + to successive blocks of input data. The block sizes are arbitrary, + except that non-compressible blocks are limited to 65,535 bytes. + + Each block is compressed using a combination of the LZ77 algorithm + and Huffman coding. The Huffman trees for each block are independent + of those for previous or subsequent blocks; the LZ77 algorithm may + use a reference to a duplicated string occurring in a previous block, + up to 32K input bytes before. + + Each block consists of two parts: a pair of Huffman code trees that + describe the representation of the compressed data part, and a + compressed data part. (The Huffman trees themselves are compressed + using Huffman encoding.) The compressed data consists of a series of + elements of two types: literal bytes (of strings that have not been + detected as duplicated within the previous 32K input bytes), and + pointers to duplicated strings, where a pointer is represented as a + pair . The representation used in the + "deflate" format limits distances to 32K bytes and lengths to 258 + bytes, but does not limit the size of a block, except for + uncompressible blocks, which are limited as noted above. + + Each type of value (literals, distances, and lengths) in the + compressed data is represented using a Huffman code, using one code + tree for literals and lengths and a separate code tree for distances. + The code trees for each block appear in a compact form just before + the compressed data for that block. + + + + + + + + + + +Deutsch Informational [Page 4] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + +3. Detailed specification + + 3.1. Overall conventions In the diagrams below, a box like this: + + +---+ + | | <-- the vertical bars might be missing + +---+ + + represents one byte; a box like this: + + +==============+ + | | + +==============+ + + represents a variable number of bytes. + + Bytes stored within a computer do not have a "bit order", since + they are always treated as a unit. However, a byte considered as + an integer between 0 and 255 does have a most- and least- + significant bit, and since we write numbers with the most- + significant digit on the left, we also write bytes with the most- + significant bit on the left. In the diagrams below, we number the + bits of a byte so that bit 0 is the least-significant bit, i.e., + the bits are numbered: + + +--------+ + |76543210| + +--------+ + + Within a computer, a number may occupy multiple bytes. All + multi-byte numbers in the format described here are stored with + the least-significant byte first (at the lower memory address). + For example, the decimal number 520 is stored as: + + 0 1 + +--------+--------+ + |00001000|00000010| + +--------+--------+ + ^ ^ + | | + | + more significant byte = 2 x 256 + + less significant byte = 8 + + 3.1.1. Packing into bytes + + This document does not address the issue of the order in which + bits of a byte are transmitted on a bit-sequential medium, + since the final data format described here is byte- rather than + + + +Deutsch Informational [Page 5] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + bit-oriented. However, we describe the compressed block format + in below, as a sequence of data elements of various bit + lengths, not a sequence of bytes. We must therefore specify + how to pack these data elements into bytes to form the final + compressed byte sequence: + + * Data elements are packed into bytes in order of + increasing bit number within the byte, i.e., starting + with the least-significant bit of the byte. + * Data elements other than Huffman codes are packed + starting with the least-significant bit of the data + element. + * Huffman codes are packed starting with the most- + significant bit of the code. + + In other words, if one were to print out the compressed data as + a sequence of bytes, starting with the first byte at the + *right* margin and proceeding to the *left*, with the most- + significant bit of each byte on the left as usual, one would be + able to parse the result from right to left, with fixed-width + elements in the correct MSB-to-LSB order and Huffman codes in + bit-reversed order (i.e., with the first bit of the code in the + relative LSB position). + + 3.2. Compressed block format + + 3.2.1. Synopsis of prefix and Huffman coding + + Prefix coding represents symbols from an a priori known + alphabet by bit sequences (codes), one code for each symbol, in + a manner such that different symbols may be represented by bit + sequences of different lengths, but a parser can always parse + an encoded string unambiguously symbol-by-symbol. + + We define a prefix code in terms of a binary tree in which the + two edges descending from each non-leaf node are labeled 0 and + 1 and in which the leaf nodes correspond one-for-one with (are + labeled with) the symbols of the alphabet; then the code for a + symbol is the sequence of 0's and 1's on the edges leading from + the root to the leaf labeled with that symbol. For example: + + + + + + + + + + + +Deutsch Informational [Page 6] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + /\ Symbol Code + 0 1 ------ ---- + / \ A 00 + /\ B B 1 + 0 1 C 011 + / \ D 010 + A /\ + 0 1 + / \ + D C + + A parser can decode the next symbol from an encoded input + stream by walking down the tree from the root, at each step + choosing the edge corresponding to the next input bit. + + Given an alphabet with known symbol frequencies, the Huffman + algorithm allows the construction of an optimal prefix code + (one which represents strings with those symbol frequencies + using the fewest bits of any possible prefix codes for that + alphabet). Such a code is called a Huffman code. (See + reference [1] in Chapter 5, references for additional + information on Huffman codes.) + + Note that in the "deflate" format, the Huffman codes for the + various alphabets must not exceed certain maximum code lengths. + This constraint complicates the algorithm for computing code + lengths from symbol frequencies. Again, see Chapter 5, + references for details. + + 3.2.2. Use of Huffman coding in the "deflate" format + + The Huffman codes used for each alphabet in the "deflate" + format have two additional rules: + + * All codes of a given bit length have lexicographically + consecutive values, in the same order as the symbols + they represent; + + * Shorter codes lexicographically precede longer codes. + + + + + + + + + + + + +Deutsch Informational [Page 7] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + We could recode the example above to follow this rule as + follows, assuming that the order of the alphabet is ABCD: + + Symbol Code + ------ ---- + A 10 + B 0 + C 110 + D 111 + + I.e., 0 precedes 10 which precedes 11x, and 110 and 111 are + lexicographically consecutive. + + Given this rule, we can define the Huffman code for an alphabet + just by giving the bit lengths of the codes for each symbol of + the alphabet in order; this is sufficient to determine the + actual codes. In our example, the code is completely defined + by the sequence of bit lengths (2, 1, 3, 3). The following + algorithm generates the codes as integers, intended to be read + from most- to least-significant bit. The code lengths are + initially in tree[I].Len; the codes are produced in + tree[I].Code. + + 1) Count the number of codes for each code length. Let + bl_count[N] be the number of codes of length N, N >= 1. + + 2) Find the numerical value of the smallest code for each + code length: + + code = 0; + bl_count[0] = 0; + for (bits = 1; bits <= MAX_BITS; bits++) { + code = (code + bl_count[bits-1]) << 1; + next_code[bits] = code; + } + + 3) Assign numerical values to all codes, using consecutive + values for all codes of the same length with the base + values determined at step 2. Codes that are never used + (which have a bit length of zero) must not be assigned a + value. + + for (n = 0; n <= max_code; n++) { + len = tree[n].Len; + if (len != 0) { + tree[n].Code = next_code[len]; + next_code[len]++; + } + + + +Deutsch Informational [Page 8] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + } + + Example: + + Consider the alphabet ABCDEFGH, with bit lengths (3, 3, 3, 3, + 3, 2, 4, 4). After step 1, we have: + + N bl_count[N] + - ----------- + 2 1 + 3 5 + 4 2 + + Step 2 computes the following next_code values: + + N next_code[N] + - ------------ + 1 0 + 2 0 + 3 2 + 4 14 + + Step 3 produces the following code values: + + Symbol Length Code + ------ ------ ---- + A 3 010 + B 3 011 + C 3 100 + D 3 101 + E 3 110 + F 2 00 + G 4 1110 + H 4 1111 + + 3.2.3. Details of block format + + Each block of compressed data begins with 3 header bits + containing the following data: + + first bit BFINAL + next 2 bits BTYPE + + Note that the header bits do not necessarily begin on a byte + boundary, since a block does not necessarily occupy an integral + number of bytes. + + + + + +Deutsch Informational [Page 9] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + BFINAL is set if and only if this is the last block of the data + set. + + BTYPE specifies how the data are compressed, as follows: + + 00 - no compression + 01 - compressed with fixed Huffman codes + 10 - compressed with dynamic Huffman codes + 11 - reserved (error) + + The only difference between the two compressed cases is how the + Huffman codes for the literal/length and distance alphabets are + defined. + + In all cases, the decoding algorithm for the actual data is as + follows: + + do + read block header from input stream. + if stored with no compression + skip any remaining bits in current partially + processed byte + read LEN and NLEN (see next section) + copy LEN bytes of data to output + otherwise + if compressed with dynamic Huffman codes + read representation of code trees (see + subsection below) + loop (until end of block code recognized) + decode literal/length value from input stream + if value < 256 + copy value (literal byte) to output stream + otherwise + if value = end of block (256) + break from loop + otherwise (value = 257..285) + decode distance from input stream + + move backwards distance bytes in the output + stream, and copy length bytes from this + position to the output stream. + end loop + while not last block + + Note that a duplicated string reference may refer to a string + in a previous block; i.e., the backward distance may cross one + or more block boundaries. However a distance cannot refer past + the beginning of the output stream. (An application using a + + + +Deutsch Informational [Page 10] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + preset dictionary might discard part of the output stream; a + distance can refer to that part of the output stream anyway) + Note also that the referenced string may overlap the current + position; for example, if the last 2 bytes decoded have values + X and Y, a string reference with + adds X,Y,X,Y,X to the output stream. + + We now specify each compression method in turn. + + 3.2.4. Non-compressed blocks (BTYPE=00) + + Any bits of input up to the next byte boundary are ignored. + The rest of the block consists of the following information: + + 0 1 2 3 4... + +---+---+---+---+================================+ + | LEN | NLEN |... LEN bytes of literal data...| + +---+---+---+---+================================+ + + LEN is the number of data bytes in the block. NLEN is the + one's complement of LEN. + + 3.2.5. Compressed blocks (length and distance codes) + + As noted above, encoded data blocks in the "deflate" format + consist of sequences of symbols drawn from three conceptually + distinct alphabets: either literal bytes, from the alphabet of + byte values (0..255), or pairs, + where the length is drawn from (3..258) and the distance is + drawn from (1..32,768). In fact, the literal and length + alphabets are merged into a single alphabet (0..285), where + values 0..255 represent literal bytes, the value 256 indicates + end-of-block, and values 257..285 represent length codes + (possibly in conjunction with extra bits following the symbol + code) as follows: + + + + + + + + + + + + + + + + +Deutsch Informational [Page 11] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + Extra Extra Extra + Code Bits Length(s) Code Bits Lengths Code Bits Length(s) + ---- ---- ------ ---- ---- ------- ---- ---- ------- + 257 0 3 267 1 15,16 277 4 67-82 + 258 0 4 268 1 17,18 278 4 83-98 + 259 0 5 269 2 19-22 279 4 99-114 + 260 0 6 270 2 23-26 280 4 115-130 + 261 0 7 271 2 27-30 281 5 131-162 + 262 0 8 272 2 31-34 282 5 163-194 + 263 0 9 273 3 35-42 283 5 195-226 + 264 0 10 274 3 43-50 284 5 227-257 + 265 1 11,12 275 3 51-58 285 0 258 + 266 1 13,14 276 3 59-66 + + The extra bits should be interpreted as a machine integer + stored with the most-significant bit first, e.g., bits 1110 + represent the value 14. + + Extra Extra Extra + Code Bits Dist Code Bits Dist Code Bits Distance + ---- ---- ---- ---- ---- ------ ---- ---- -------- + 0 0 1 10 4 33-48 20 9 1025-1536 + 1 0 2 11 4 49-64 21 9 1537-2048 + 2 0 3 12 5 65-96 22 10 2049-3072 + 3 0 4 13 5 97-128 23 10 3073-4096 + 4 1 5,6 14 6 129-192 24 11 4097-6144 + 5 1 7,8 15 6 193-256 25 11 6145-8192 + 6 2 9-12 16 7 257-384 26 12 8193-12288 + 7 2 13-16 17 7 385-512 27 12 12289-16384 + 8 3 17-24 18 8 513-768 28 13 16385-24576 + 9 3 25-32 19 8 769-1024 29 13 24577-32768 + + 3.2.6. Compression with fixed Huffman codes (BTYPE=01) + + The Huffman codes for the two alphabets are fixed, and are not + represented explicitly in the data. The Huffman code lengths + for the literal/length alphabet are: + + Lit Value Bits Codes + --------- ---- ----- + 0 - 143 8 00110000 through + 10111111 + 144 - 255 9 110010000 through + 111111111 + 256 - 279 7 0000000 through + 0010111 + 280 - 287 8 11000000 through + 11000111 + + + +Deutsch Informational [Page 12] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + The code lengths are sufficient to generate the actual codes, + as described above; we show the codes in the table for added + clarity. Literal/length values 286-287 will never actually + occur in the compressed data, but participate in the code + construction. + + Distance codes 0-31 are represented by (fixed-length) 5-bit + codes, with possible additional bits as shown in the table + shown in Paragraph 3.2.5, above. Note that distance codes 30- + 31 will never actually occur in the compressed data. + + 3.2.7. Compression with dynamic Huffman codes (BTYPE=10) + + The Huffman codes for the two alphabets appear in the block + immediately after the header bits and before the actual + compressed data, first the literal/length code and then the + distance code. Each code is defined by a sequence of code + lengths, as discussed in Paragraph 3.2.2, above. For even + greater compactness, the code length sequences themselves are + compressed using a Huffman code. The alphabet for code lengths + is as follows: + + 0 - 15: Represent code lengths of 0 - 15 + 16: Copy the previous code length 3 - 6 times. + The next 2 bits indicate repeat length + (0 = 3, ... , 3 = 6) + Example: Codes 8, 16 (+2 bits 11), + 16 (+2 bits 10) will expand to + 12 code lengths of 8 (1 + 6 + 5) + 17: Repeat a code length of 0 for 3 - 10 times. + (3 bits of length) + 18: Repeat a code length of 0 for 11 - 138 times + (7 bits of length) + + A code length of 0 indicates that the corresponding symbol in + the literal/length or distance alphabet will not occur in the + block, and should not participate in the Huffman code + construction algorithm given earlier. If only one distance + code is used, it is encoded using one bit, not zero bits; in + this case there is a single code length of one, with one unused + code. One distance code of zero bits means that there are no + distance codes used at all (the data is all literals). + + We can now define the format of the block: + + 5 Bits: HLIT, # of Literal/Length codes - 257 (257 - 286) + 5 Bits: HDIST, # of Distance codes - 1 (1 - 32) + 4 Bits: HCLEN, # of Code Length codes - 4 (4 - 19) + + + +Deutsch Informational [Page 13] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + (HCLEN + 4) x 3 bits: code lengths for the code length + alphabet given just above, in the order: 16, 17, 18, + 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 + + These code lengths are interpreted as 3-bit integers + (0-7); as above, a code length of 0 means the + corresponding symbol (literal/length or distance code + length) is not used. + + HLIT + 257 code lengths for the literal/length alphabet, + encoded using the code length Huffman code + + HDIST + 1 code lengths for the distance alphabet, + encoded using the code length Huffman code + + The actual compressed data of the block, + encoded using the literal/length and distance Huffman + codes + + The literal/length symbol 256 (end of data), + encoded using the literal/length Huffman code + + The code length repeat codes can cross from HLIT + 257 to the + HDIST + 1 code lengths. In other words, all code lengths form + a single sequence of HLIT + HDIST + 258 values. + + 3.3. Compliance + + A compressor may limit further the ranges of values specified in + the previous section and still be compliant; for example, it may + limit the range of backward pointers to some value smaller than + 32K. Similarly, a compressor may limit the size of blocks so that + a compressible block fits in memory. + + A compliant decompressor must accept the full range of possible + values defined in the previous section, and must accept blocks of + arbitrary size. + +4. Compression algorithm details + + While it is the intent of this document to define the "deflate" + compressed data format without reference to any particular + compression algorithm, the format is related to the compressed + formats produced by LZ77 (Lempel-Ziv 1977, see reference [2] below); + since many variations of LZ77 are patented, it is strongly + recommended that the implementor of a compressor follow the general + algorithm presented here, which is known not to be patented per se. + The material in this section is not part of the definition of the + + + +Deutsch Informational [Page 14] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + + specification per se, and a compressor need not follow it in order to + be compliant. + + The compressor terminates a block when it determines that starting a + new block with fresh trees would be useful, or when the block size + fills up the compressor's block buffer. + + The compressor uses a chained hash table to find duplicated strings, + using a hash function that operates on 3-byte sequences. At any + given point during compression, let XYZ be the next 3 input bytes to + be examined (not necessarily all different, of course). First, the + compressor examines the hash chain for XYZ. If the chain is empty, + the compressor simply writes out X as a literal byte and advances one + byte in the input. If the hash chain is not empty, indicating that + the sequence XYZ (or, if we are unlucky, some other 3 bytes with the + same hash function value) has occurred recently, the compressor + compares all strings on the XYZ hash chain with the actual input data + sequence starting at the current point, and selects the longest + match. + + The compressor searches the hash chains starting with the most recent + strings, to favor small distances and thus take advantage of the + Huffman encoding. The hash chains are singly linked. There are no + deletions from the hash chains; the algorithm simply discards matches + that are too old. To avoid a worst-case situation, very long hash + chains are arbitrarily truncated at a certain length, determined by a + run-time parameter. + + To improve overall compression, the compressor optionally defers the + selection of matches ("lazy matching"): after a match of length N has + been found, the compressor searches for a longer match starting at + the next input byte. If it finds a longer match, it truncates the + previous match to a length of one (thus producing a single literal + byte) and then emits the longer match. Otherwise, it emits the + original match, and, as described above, advances N bytes before + continuing. + + Run-time parameters also control this "lazy match" procedure. If + compression ratio is most important, the compressor attempts a + complete second search regardless of the length of the first match. + In the normal case, if the current match is "long enough", the + compressor reduces the search for a longer match, thus speeding up + the process. If speed is most important, the compressor inserts new + strings in the hash table only when no match was found, or when the + match is not "too long". This degrades the compression ratio but + saves time since there are both fewer insertions and fewer searches. + + + + + +Deutsch Informational [Page 15] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + +5. References + + [1] Huffman, D. A., "A Method for the Construction of Minimum + Redundancy Codes", Proceedings of the Institute of Radio + Engineers, September 1952, Volume 40, Number 9, pp. 1098-1101. + + [2] Ziv J., Lempel A., "A Universal Algorithm for Sequential Data + Compression", IEEE Transactions on Information Theory, Vol. 23, + No. 3, pp. 337-343. + + [3] Gailly, J.-L., and Adler, M., ZLIB documentation and sources, + available in ftp://ftp.uu.net/pub/archiving/zip/doc/ + + [4] Gailly, J.-L., and Adler, M., GZIP documentation and sources, + available as gzip-*.tar in ftp://prep.ai.mit.edu/pub/gnu/ + + [5] Schwartz, E. S., and Kallick, B. "Generating a canonical prefix + encoding." Comm. ACM, 7,3 (Mar. 1964), pp. 166-169. + + [6] Hirschberg and Lelewer, "Efficient decoding of prefix codes," + Comm. ACM, 33,4, April 1990, pp. 449-459. + +6. Security Considerations + + Any data compression method involves the reduction of redundancy in + the data. Consequently, any corruption of the data is likely to have + severe effects and be difficult to correct. Uncompressed text, on + the other hand, will probably still be readable despite the presence + of some corrupted bytes. + + It is recommended that systems using this data format provide some + means of validating the integrity of the compressed data. See + reference [3], for example. + +7. Source code + + Source code for a C language implementation of a "deflate" compliant + compressor and decompressor is available within the zlib package at + ftp://ftp.uu.net/pub/archiving/zip/zlib/. + +8. Acknowledgements + + Trademarks cited in this document are the property of their + respective owners. + + Phil Katz designed the deflate format. Jean-Loup Gailly and Mark + Adler wrote the related software described in this specification. + Glenn Randers-Pehrson converted this document to RFC and HTML format. + + + +Deutsch Informational [Page 16] + +RFC 1951 DEFLATE Compressed Data Format Specification May 1996 + + +9. Author's Address + + L. Peter Deutsch + Aladdin Enterprises + 203 Santa Margarita Ave. + Menlo Park, CA 94025 + + Phone: (415) 322-0103 (AM only) + FAX: (415) 322-1734 + EMail: + + Questions about the technical content of this specification can be + sent by email to: + + Jean-Loup Gailly and + Mark Adler + + Editorial comments on this specification can be sent by email to: + + L. Peter Deutsch and + Glenn Randers-Pehrson + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Deutsch Informational [Page 17] + diff --git a/doc/rfc1952.txt b/doc/rfc1952.txt new file mode 100644 index 0000000..a8e51b4 --- /dev/null +++ b/doc/rfc1952.txt @@ -0,0 +1,675 @@ + + + + + + +Network Working Group P. Deutsch +Request for Comments: 1952 Aladdin Enterprises +Category: Informational May 1996 + + + GZIP file format specification version 4.3 + +Status of This Memo + + This memo provides information for the Internet community. This memo + does not specify an Internet standard of any kind. Distribution of + this memo is unlimited. + +IESG Note: + + The IESG takes no position on the validity of any Intellectual + Property Rights statements contained in this document. + +Notices + + Copyright (c) 1996 L. Peter Deutsch + + Permission is granted to copy and distribute this document for any + purpose and without charge, including translations into other + languages and incorporation into compilations, provided that the + copyright notice and this notice are preserved, and that any + substantive changes or deletions from the original are clearly + marked. + + A pointer to the latest version of this and related documentation in + HTML format can be found at the URL + . + +Abstract + + This specification defines a lossless compressed data format that is + compatible with the widely used GZIP utility. The format includes a + cyclic redundancy check value for detecting data corruption. The + format presently uses the DEFLATE method of compression but can be + easily extended to use other compression methods. The format can be + implemented readily in a manner not covered by patents. + + + + + + + + + + +Deutsch Informational [Page 1] + +RFC 1952 GZIP File Format Specification May 1996 + + +Table of Contents + + 1. Introduction ................................................... 2 + 1.1. Purpose ................................................... 2 + 1.2. Intended audience ......................................... 3 + 1.3. Scope ..................................................... 3 + 1.4. Compliance ................................................ 3 + 1.5. Definitions of terms and conventions used ................. 3 + 1.6. Changes from previous versions ............................ 3 + 2. Detailed specification ......................................... 4 + 2.1. Overall conventions ....................................... 4 + 2.2. File format ............................................... 5 + 2.3. Member format ............................................. 5 + 2.3.1. Member header and trailer ........................... 6 + 2.3.1.1. Extra field ................................... 8 + 2.3.1.2. Compliance .................................... 9 + 3. References .................................................. 9 + 4. Security Considerations .................................... 10 + 5. Acknowledgements ........................................... 10 + 6. Author's Address ........................................... 10 + 7. Appendix: Jean-Loup Gailly's gzip utility .................. 11 + 8. Appendix: Sample CRC Code .................................. 11 + +1. Introduction + + 1.1. Purpose + + The purpose of this specification is to define a lossless + compressed data format that: + + * Is independent of CPU type, operating system, file system, + and character set, and hence can be used for interchange; + * Can compress or decompress a data stream (as opposed to a + randomly accessible file) to produce another data stream, + using only an a priori bounded amount of intermediate + storage, and hence can be used in data communications or + similar structures such as Unix filters; + * Compresses data with efficiency comparable to the best + currently available general-purpose compression methods, + and in particular considerably better than the "compress" + program; + * Can be implemented readily in a manner not covered by + patents, and hence can be practiced freely; + * Is compatible with the file format produced by the current + widely used gzip utility, in that conforming decompressors + will be able to read data produced by the existing gzip + compressor. + + + + +Deutsch Informational [Page 2] + +RFC 1952 GZIP File Format Specification May 1996 + + + The data format defined by this specification does not attempt to: + + * Provide random access to compressed data; + * Compress specialized data (e.g., raster graphics) as well as + the best currently available specialized algorithms. + + 1.2. Intended audience + + This specification is intended for use by implementors of software + to compress data into gzip format and/or decompress data from gzip + format. + + The text of the specification assumes a basic background in + programming at the level of bits and other primitive data + representations. + + 1.3. Scope + + The specification specifies a compression method and a file format + (the latter assuming only that a file can store a sequence of + arbitrary bytes). It does not specify any particular interface to + a file system or anything about character sets or encodings + (except for file names and comments, which are optional). + + 1.4. Compliance + + Unless otherwise indicated below, a compliant decompressor must be + able to accept and decompress any file that conforms to all the + specifications presented here; a compliant compressor must produce + files that conform to all the specifications presented here. The + material in the appendices is not part of the specification per se + and is not relevant to compliance. + + 1.5. Definitions of terms and conventions used + + byte: 8 bits stored or transmitted as a unit (same as an octet). + (For this specification, a byte is exactly 8 bits, even on + machines which store a character on a number of bits different + from 8.) See below for the numbering of bits within a byte. + + 1.6. Changes from previous versions + + There have been no technical changes to the gzip format since + version 4.1 of this specification. In version 4.2, some + terminology was changed, and the sample CRC code was rewritten for + clarity and to eliminate the requirement for the caller to do pre- + and post-conditioning. Version 4.3 is a conversion of the + specification to RFC style. + + + +Deutsch Informational [Page 3] + +RFC 1952 GZIP File Format Specification May 1996 + + +2. Detailed specification + + 2.1. Overall conventions + + In the diagrams below, a box like this: + + +---+ + | | <-- the vertical bars might be missing + +---+ + + represents one byte; a box like this: + + +==============+ + | | + +==============+ + + represents a variable number of bytes. + + Bytes stored within a computer do not have a "bit order", since + they are always treated as a unit. However, a byte considered as + an integer between 0 and 255 does have a most- and least- + significant bit, and since we write numbers with the most- + significant digit on the left, we also write bytes with the most- + significant bit on the left. In the diagrams below, we number the + bits of a byte so that bit 0 is the least-significant bit, i.e., + the bits are numbered: + + +--------+ + |76543210| + +--------+ + + This document does not address the issue of the order in which + bits of a byte are transmitted on a bit-sequential medium, since + the data format described here is byte- rather than bit-oriented. + + Within a computer, a number may occupy multiple bytes. All + multi-byte numbers in the format described here are stored with + the least-significant byte first (at the lower memory address). + For example, the decimal number 520 is stored as: + + 0 1 + +--------+--------+ + |00001000|00000010| + +--------+--------+ + ^ ^ + | | + | + more significant byte = 2 x 256 + + less significant byte = 8 + + + +Deutsch Informational [Page 4] + +RFC 1952 GZIP File Format Specification May 1996 + + + 2.2. File format + + A gzip file consists of a series of "members" (compressed data + sets). The format of each member is specified in the following + section. The members simply appear one after another in the file, + with no additional information before, between, or after them. + + 2.3. Member format + + Each member has the following structure: + + +---+---+---+---+---+---+---+---+---+---+ + |ID1|ID2|CM |FLG| MTIME |XFL|OS | (more-->) + +---+---+---+---+---+---+---+---+---+---+ + + (if FLG.FEXTRA set) + + +---+---+=================================+ + | XLEN |...XLEN bytes of "extra field"...| (more-->) + +---+---+=================================+ + + (if FLG.FNAME set) + + +=========================================+ + |...original file name, zero-terminated...| (more-->) + +=========================================+ + + (if FLG.FCOMMENT set) + + +===================================+ + |...file comment, zero-terminated...| (more-->) + +===================================+ + + (if FLG.FHCRC set) + + +---+---+ + | CRC16 | + +---+---+ + + +=======================+ + |...compressed blocks...| (more-->) + +=======================+ + + 0 1 2 3 4 5 6 7 + +---+---+---+---+---+---+---+---+ + | CRC32 | ISIZE | + +---+---+---+---+---+---+---+---+ + + + + +Deutsch Informational [Page 5] + +RFC 1952 GZIP File Format Specification May 1996 + + + 2.3.1. Member header and trailer + + ID1 (IDentification 1) + ID2 (IDentification 2) + These have the fixed values ID1 = 31 (0x1f, \037), ID2 = 139 + (0x8b, \213), to identify the file as being in gzip format. + + CM (Compression Method) + This identifies the compression method used in the file. CM + = 0-7 are reserved. CM = 8 denotes the "deflate" + compression method, which is the one customarily used by + gzip and which is documented elsewhere. + + FLG (FLaGs) + This flag byte is divided into individual bits as follows: + + bit 0 FTEXT + bit 1 FHCRC + bit 2 FEXTRA + bit 3 FNAME + bit 4 FCOMMENT + bit 5 reserved + bit 6 reserved + bit 7 reserved + + If FTEXT is set, the file is probably ASCII text. This is + an optional indication, which the compressor may set by + checking a small amount of the input data to see whether any + non-ASCII characters are present. In case of doubt, FTEXT + is cleared, indicating binary data. For systems which have + different file formats for ascii text and binary data, the + decompressor can use FTEXT to choose the appropriate format. + We deliberately do not specify the algorithm used to set + this bit, since a compressor always has the option of + leaving it cleared and a decompressor always has the option + of ignoring it and letting some other program handle issues + of data conversion. + + If FHCRC is set, a CRC16 for the gzip header is present, + immediately before the compressed data. The CRC16 consists + of the two least significant bytes of the CRC32 for all + bytes of the gzip header up to and not including the CRC16. + [The FHCRC bit was never set by versions of gzip up to + 1.2.4, even though it was documented with a different + meaning in gzip 1.2.4.] + + If FEXTRA is set, optional extra fields are present, as + described in a following section. + + + +Deutsch Informational [Page 6] + +RFC 1952 GZIP File Format Specification May 1996 + + + If FNAME is set, an original file name is present, + terminated by a zero byte. The name must consist of ISO + 8859-1 (LATIN-1) characters; on operating systems using + EBCDIC or any other character set for file names, the name + must be translated to the ISO LATIN-1 character set. This + is the original name of the file being compressed, with any + directory components removed, and, if the file being + compressed is on a file system with case insensitive names, + forced to lower case. There is no original file name if the + data was compressed from a source other than a named file; + for example, if the source was stdin on a Unix system, there + is no file name. + + If FCOMMENT is set, a zero-terminated file comment is + present. This comment is not interpreted; it is only + intended for human consumption. The comment must consist of + ISO 8859-1 (LATIN-1) characters. Line breaks should be + denoted by a single line feed character (10 decimal). + + Reserved FLG bits must be zero. + + MTIME (Modification TIME) + This gives the most recent modification time of the original + file being compressed. The time is in Unix format, i.e., + seconds since 00:00:00 GMT, Jan. 1, 1970. (Note that this + may cause problems for MS-DOS and other systems that use + local rather than Universal time.) If the compressed data + did not come from a file, MTIME is set to the time at which + compression started. MTIME = 0 means no time stamp is + available. + + XFL (eXtra FLags) + These flags are available for use by specific compression + methods. The "deflate" method (CM = 8) sets these flags as + follows: + + XFL = 2 - compressor used maximum compression, + slowest algorithm + XFL = 4 - compressor used fastest algorithm + + OS (Operating System) + This identifies the type of file system on which compression + took place. This may be useful in determining end-of-line + convention for text files. The currently defined values are + as follows: + + + + + + +Deutsch Informational [Page 7] + +RFC 1952 GZIP File Format Specification May 1996 + + + 0 - FAT filesystem (MS-DOS, OS/2, NT/Win32) + 1 - Amiga + 2 - VMS (or OpenVMS) + 3 - Unix + 4 - VM/CMS + 5 - Atari TOS + 6 - HPFS filesystem (OS/2, NT) + 7 - Macintosh + 8 - Z-System + 9 - CP/M + 10 - TOPS-20 + 11 - NTFS filesystem (NT) + 12 - QDOS + 13 - Acorn RISCOS + 255 - unknown + + XLEN (eXtra LENgth) + If FLG.FEXTRA is set, this gives the length of the optional + extra field. See below for details. + + CRC32 (CRC-32) + This contains a Cyclic Redundancy Check value of the + uncompressed data computed according to CRC-32 algorithm + used in the ISO 3309 standard and in section 8.1.1.6.2 of + ITU-T recommendation V.42. (See http://www.iso.ch for + ordering ISO documents. See gopher://info.itu.ch for an + online version of ITU-T V.42.) + + ISIZE (Input SIZE) + This contains the size of the original (uncompressed) input + data modulo 2^32. + + 2.3.1.1. Extra field + + If the FLG.FEXTRA bit is set, an "extra field" is present in + the header, with total length XLEN bytes. It consists of a + series of subfields, each of the form: + + +---+---+---+---+==================================+ + |SI1|SI2| LEN |... LEN bytes of subfield data ...| + +---+---+---+---+==================================+ + + SI1 and SI2 provide a subfield ID, typically two ASCII letters + with some mnemonic value. Jean-Loup Gailly + is maintaining a registry of subfield + IDs; please send him any subfield ID you wish to use. Subfield + IDs with SI2 = 0 are reserved for future use. The following + IDs are currently defined: + + + +Deutsch Informational [Page 8] + +RFC 1952 GZIP File Format Specification May 1996 + + + SI1 SI2 Data + ---------- ---------- ---- + 0x41 ('A') 0x70 ('P') Apollo file type information + + LEN gives the length of the subfield data, excluding the 4 + initial bytes. + + 2.3.1.2. Compliance + + A compliant compressor must produce files with correct ID1, + ID2, CM, CRC32, and ISIZE, but may set all the other fields in + the fixed-length part of the header to default values (255 for + OS, 0 for all others). The compressor must set all reserved + bits to zero. + + A compliant decompressor must check ID1, ID2, and CM, and + provide an error indication if any of these have incorrect + values. It must examine FEXTRA/XLEN, FNAME, FCOMMENT and FHCRC + at least so it can skip over the optional fields if they are + present. It need not examine any other part of the header or + trailer; in particular, a decompressor may ignore FTEXT and OS + and always produce binary output, and still be compliant. A + compliant decompressor must give an error indication if any + reserved bit is non-zero, since such a bit could indicate the + presence of a new field that would cause subsequent data to be + interpreted incorrectly. + +3. References + + [1] "Information Processing - 8-bit single-byte coded graphic + character sets - Part 1: Latin alphabet No.1" (ISO 8859-1:1987). + The ISO 8859-1 (Latin-1) character set is a superset of 7-bit + ASCII. Files defining this character set are available as + iso_8859-1.* in ftp://ftp.uu.net/graphics/png/documents/ + + [2] ISO 3309 + + [3] ITU-T recommendation V.42 + + [4] Deutsch, L.P.,"DEFLATE Compressed Data Format Specification", + available in ftp://ftp.uu.net/pub/archiving/zip/doc/ + + [5] Gailly, J.-L., GZIP documentation, available as gzip-*.tar in + ftp://prep.ai.mit.edu/pub/gnu/ + + [6] Sarwate, D.V., "Computation of Cyclic Redundancy Checks via Table + Look-Up", Communications of the ACM, 31(8), pp.1008-1013. + + + + +Deutsch Informational [Page 9] + +RFC 1952 GZIP File Format Specification May 1996 + + + [7] Schwaderer, W.D., "CRC Calculation", April 85 PC Tech Journal, + pp.118-133. + + [8] ftp://ftp.adelaide.edu.au/pub/rocksoft/papers/crc_v3.txt, + describing the CRC concept. + +4. Security Considerations + + Any data compression method involves the reduction of redundancy in + the data. Consequently, any corruption of the data is likely to have + severe effects and be difficult to correct. Uncompressed text, on + the other hand, will probably still be readable despite the presence + of some corrupted bytes. + + It is recommended that systems using this data format provide some + means of validating the integrity of the compressed data, such as by + setting and checking the CRC-32 check value. + +5. Acknowledgements + + Trademarks cited in this document are the property of their + respective owners. + + Jean-Loup Gailly designed the gzip format and wrote, with Mark Adler, + the related software described in this specification. Glenn + Randers-Pehrson converted this document to RFC and HTML format. + +6. Author's Address + + L. Peter Deutsch + Aladdin Enterprises + 203 Santa Margarita Ave. + Menlo Park, CA 94025 + + Phone: (415) 322-0103 (AM only) + FAX: (415) 322-1734 + EMail: + + Questions about the technical content of this specification can be + sent by email to: + + Jean-Loup Gailly and + Mark Adler + + Editorial comments on this specification can be sent by email to: + + L. Peter Deutsch and + Glenn Randers-Pehrson + + + +Deutsch Informational [Page 10] + +RFC 1952 GZIP File Format Specification May 1996 + + +7. Appendix: Jean-Loup Gailly's gzip utility + + The most widely used implementation of gzip compression, and the + original documentation on which this specification is based, were + created by Jean-Loup Gailly . Since this + implementation is a de facto standard, we mention some more of its + features here. Again, the material in this section is not part of + the specification per se, and implementations need not follow it to + be compliant. + + When compressing or decompressing a file, gzip preserves the + protection, ownership, and modification time attributes on the local + file system, since there is no provision for representing protection + attributes in the gzip file format itself. Since the file format + includes a modification time, the gzip decompressor provides a + command line switch that assigns the modification time from the file, + rather than the local modification time of the compressed input, to + the decompressed output. + +8. Appendix: Sample CRC Code + + The following sample code represents a practical implementation of + the CRC (Cyclic Redundancy Check). (See also ISO 3309 and ITU-T V.42 + for a formal specification.) + + The sample code is in the ANSI C programming language. Non C users + may find it easier to read with these hints: + + & Bitwise AND operator. + ^ Bitwise exclusive-OR operator. + >> Bitwise right shift operator. When applied to an + unsigned quantity, as here, right shift inserts zero + bit(s) at the left. + ! Logical NOT operator. + ++ "n++" increments the variable n. + 0xNNN 0x introduces a hexadecimal (base 16) constant. + Suffix L indicates a long value (at least 32 bits). + + /* Table of CRCs of all 8-bit messages. */ + unsigned long crc_table[256]; + + /* Flag: has the table been computed? Initially false. */ + int crc_table_computed = 0; + + /* Make the table for a fast CRC. */ + void make_crc_table(void) + { + unsigned long c; + + + +Deutsch Informational [Page 11] + +RFC 1952 GZIP File Format Specification May 1996 + + + int n, k; + for (n = 0; n < 256; n++) { + c = (unsigned long) n; + for (k = 0; k < 8; k++) { + if (c & 1) { + c = 0xedb88320L ^ (c >> 1); + } else { + c = c >> 1; + } + } + crc_table[n] = c; + } + crc_table_computed = 1; + } + + /* + Update a running crc with the bytes buf[0..len-1] and return + the updated crc. The crc should be initialized to zero. Pre- and + post-conditioning (one's complement) is performed within this + function so it shouldn't be done by the caller. Usage example: + + unsigned long crc = 0L; + + while (read_buffer(buffer, length) != EOF) { + crc = update_crc(crc, buffer, length); + } + if (crc != original_crc) error(); + */ + unsigned long update_crc(unsigned long crc, + unsigned char *buf, int len) + { + unsigned long c = crc ^ 0xffffffffL; + int n; + + if (!crc_table_computed) + make_crc_table(); + for (n = 0; n < len; n++) { + c = crc_table[(c ^ buf[n]) & 0xff] ^ (c >> 8); + } + return c ^ 0xffffffffL; + } + + /* Return the CRC of the bytes buf[0..len-1]. */ + unsigned long crc(unsigned char *buf, int len) + { + return update_crc(0L, buf, len); + } + + + + +Deutsch Informational [Page 12] + diff --git a/doc/txtvsbin.txt b/doc/txtvsbin.txt new file mode 100644 index 0000000..2a901ea --- /dev/null +++ b/doc/txtvsbin.txt @@ -0,0 +1,107 @@ +A Fast Method for Identifying Plain Text Files +============================================== + + +Introduction +------------ + +Given a file coming from an unknown source, it is sometimes desirable +to find out whether the format of that file is plain text. Although +this may appear like a simple task, a fully accurate detection of the +file type requires heavy-duty semantic analysis on the file contents. +It is, however, possible to obtain satisfactory results by employing +various heuristics. + +Previous versions of PKZip and other zip-compatible compression tools +were using a crude detection scheme: if more than 80% (4/5) of the bytes +found in a certain buffer are within the range [7..127], the file is +labeled as plain text, otherwise it is labeled as binary. A prominent +limitation of this scheme is the restriction to Latin-based alphabets. +Other alphabets, like Greek, Cyrillic or Asian, make extensive use of +the bytes within the range [128..255], and texts using these alphabets +are most often misidentified by this scheme; in other words, the rate +of false negatives is sometimes too high, which means that the recall +is low. Another weakness of this scheme is a reduced precision, due to +the false positives that may occur when binary files containing large +amounts of textual characters are misidentified as plain text. + +In this article we propose a new, simple detection scheme that features +a much increased precision and a near-100% recall. This scheme is +designed to work on ASCII, Unicode and other ASCII-derived alphabets, +and it handles single-byte encodings (ISO-8859, MacRoman, KOI8, etc.) +and variable-sized encodings (ISO-2022, UTF-8, etc.). Wider encodings +(UCS-2/UTF-16 and UCS-4/UTF-32) are not handled, however. + + +The Algorithm +------------- + +The algorithm works by dividing the set of bytecodes [0..255] into three +categories: +- The allow list of textual bytecodes: + 9 (TAB), 10 (LF), 13 (CR), 32 (SPACE) to 255. +- The gray list of tolerated bytecodes: + 7 (BEL), 8 (BS), 11 (VT), 12 (FF), 26 (SUB), 27 (ESC). +- The block list of undesired, non-textual bytecodes: + 0 (NUL) to 6, 14 to 31. + +If a file contains at least one byte that belongs to the allow list and +no byte that belongs to the block list, then the file is categorized as +plain text; otherwise, it is categorized as binary. (The boundary case, +when the file is empty, automatically falls into the latter category.) + + +Rationale +--------- + +The idea behind this algorithm relies on two observations. + +The first observation is that, although the full range of 7-bit codes +[0..127] is properly specified by the ASCII standard, most control +characters in the range [0..31] are not used in practice. The only +widely-used, almost universally-portable control codes are 9 (TAB), +10 (LF) and 13 (CR). There are a few more control codes that are +recognized on a reduced range of platforms and text viewers/editors: +7 (BEL), 8 (BS), 11 (VT), 12 (FF), 26 (SUB) and 27 (ESC); but these +codes are rarely (if ever) used alone, without being accompanied by +some printable text. Even the newer, portable text formats such as +XML avoid using control characters outside the list mentioned here. + +The second observation is that most of the binary files tend to contain +control characters, especially 0 (NUL). Even though the older text +detection schemes observe the presence of non-ASCII codes from the range +[128..255], the precision rarely has to suffer if this upper range is +labeled as textual, because the files that are genuinely binary tend to +contain both control characters and codes from the upper range. On the +other hand, the upper range needs to be labeled as textual, because it +is used by virtually all ASCII extensions. In particular, this range is +used for encoding non-Latin scripts. + +Since there is no counting involved, other than simply observing the +presence or the absence of some byte values, the algorithm produces +consistent results, regardless what alphabet encoding is being used. +(If counting were involved, it could be possible to obtain different +results on a text encoded, say, using ISO-8859-16 versus UTF-8.) + +There is an extra category of plain text files that are "polluted" with +one or more block-listed codes, either by mistake or by peculiar design +considerations. In such cases, a scheme that tolerates a small fraction +of block-listed codes would provide an increased recall (i.e. more true +positives). This, however, incurs a reduced precision overall, since +false positives are more likely to appear in binary files that contain +large chunks of textual data. Furthermore, "polluted" plain text should +be regarded as binary by general-purpose text detection schemes, because +general-purpose text processing algorithms might not be applicable. +Under this premise, it is safe to say that our detection method provides +a near-100% recall. + +Experiments have been run on many files coming from various platforms +and applications. We tried plain text files, system logs, source code, +formatted office documents, compiled object code, etc. The results +confirm the optimistic assumptions about the capabilities of this +algorithm. + + +-- +Cosmin Truta +Last updated: 2006-May-28 diff --git a/examples/README.examples b/examples/README.examples new file mode 100644 index 0000000..e3a4b88 --- /dev/null +++ b/examples/README.examples @@ -0,0 +1,54 @@ +This directory contains examples of the use of zlib and other relevant +programs and documentation. + +enough.c + calculation and justification of ENOUGH parameter in inftrees.h + - calculates the maximum table space used in inflate tree + construction over all possible Huffman codes + +fitblk.c + compress just enough input to nearly fill a requested output size + - zlib isn't designed to do this, but fitblk does it anyway + +gun.c + uncompress a gzip file + - illustrates the use of inflateBack() for high speed file-to-file + decompression using call-back functions + - is approximately twice as fast as gzip -d + - also provides Unix uncompress functionality, again twice as fast + +gzappend.c + append to a gzip file + - illustrates the use of the Z_BLOCK flush parameter for inflate() + - illustrates the use of deflatePrime() to start at any bit + +gzjoin.c + join gzip files without recalculating the crc or recompressing + - illustrates the use of the Z_BLOCK flush parameter for inflate() + - illustrates the use of crc32_combine() + +gzlog.c +gzlog.h + efficiently and robustly maintain a message log file in gzip format + - illustrates use of raw deflate, Z_PARTIAL_FLUSH, deflatePrime(), + and deflateSetDictionary() + - illustrates use of a gzip header extra field + +gznorm.c + normalize a gzip file by combining members into a single member + - demonstrates how to concatenate deflate streams using Z_BLOCK + +zlib_how.html + painfully comprehensive description of zpipe.c (see below) + - describes in excruciating detail the use of deflate() and inflate() + +zpipe.c + reads and writes zlib streams from stdin to stdout + - illustrates the proper use of deflate() and inflate() + - deeply commented in zlib_how.html (see above) + +zran.c +zran.h + index a zlib or gzip stream and randomly access it + - illustrates the use of Z_BLOCK, inflatePrime(), and + inflateSetDictionary() to provide random access diff --git a/examples/enough.c b/examples/enough.c new file mode 100644 index 0000000..8a3cade --- /dev/null +++ b/examples/enough.c @@ -0,0 +1,597 @@ +/* enough.c -- determine the maximum size of inflate's Huffman code tables over + * all possible valid and complete prefix codes, subject to a length limit. + * Copyright (C) 2007, 2008, 2012, 2018 Mark Adler + * Version 1.5 5 August 2018 Mark Adler + */ + +/* Version history: + 1.0 3 Jan 2007 First version (derived from codecount.c version 1.4) + 1.1 4 Jan 2007 Use faster incremental table usage computation + Prune examine() search on previously visited states + 1.2 5 Jan 2007 Comments clean up + As inflate does, decrease root for short codes + Refuse cases where inflate would increase root + 1.3 17 Feb 2008 Add argument for initial root table size + Fix bug for initial root table size == max - 1 + Use a macro to compute the history index + 1.4 18 Aug 2012 Avoid shifts more than bits in type (caused endless loop!) + Clean up comparisons of different types + Clean up code indentation + 1.5 5 Aug 2018 Clean up code style, formatting, and comments + Show all the codes for the maximum, and only the maximum + */ + +/* + Examine all possible prefix codes for a given number of symbols and a + maximum code length in bits to determine the maximum table size for zlib's + inflate. Only complete prefix codes are counted. + + Two codes are considered distinct if the vectors of the number of codes per + length are not identical. So permutations of the symbol assignments result + in the same code for the counting, as do permutations of the assignments of + the bit values to the codes (i.e. only canonical codes are counted). + + We build a code from shorter to longer lengths, determining how many symbols + are coded at each length. At each step, we have how many symbols remain to + be coded, what the last code length used was, and how many bit patterns of + that length remain unused. Then we add one to the code length and double the + number of unused patterns to graduate to the next code length. We then + assign all portions of the remaining symbols to that code length that + preserve the properties of a correct and eventually complete code. Those + properties are: we cannot use more bit patterns than are available; and when + all the symbols are used, there are exactly zero possible bit patterns left + unused. + + The inflate Huffman decoding algorithm uses two-level lookup tables for + speed. There is a single first-level table to decode codes up to root bits + in length (root == 9 for literal/length codes and root == 6 for distance + codes, in the current inflate implementation). The base table has 1 << root + entries and is indexed by the next root bits of input. Codes shorter than + root bits have replicated table entries, so that the correct entry is + pointed to regardless of the bits that follow the short code. If the code is + longer than root bits, then the table entry points to a second-level table. + The size of that table is determined by the longest code with that root-bit + prefix. If that longest code has length len, then the table has size 1 << + (len - root), to index the remaining bits in that set of codes. Each + subsequent root-bit prefix then has its own sub-table. The total number of + table entries required by the code is calculated incrementally as the number + of codes at each bit length is populated. When all of the codes are shorter + than root bits, then root is reduced to the longest code length, resulting + in a single, smaller, one-level table. + + The inflate algorithm also provides for small values of root (relative to + the log2 of the number of symbols), where the shortest code has more bits + than root. In that case, root is increased to the length of the shortest + code. This program, by design, does not handle that case, so it is verified + that the number of symbols is less than 1 << (root + 1). + + In order to speed up the examination (by about ten orders of magnitude for + the default arguments), the intermediate states in the build-up of a code + are remembered and previously visited branches are pruned. The memory + required for this will increase rapidly with the total number of symbols and + the maximum code length in bits. However this is a very small price to pay + for the vast speedup. + + First, all of the possible prefix codes are counted, and reachable + intermediate states are noted by a non-zero count in a saved-results array. + Second, the intermediate states that lead to (root + 1) bit or longer codes + are used to look at all sub-codes from those junctures for their inflate + memory usage. (The amount of memory used is not affected by the number of + codes of root bits or less in length.) Third, the visited states in the + construction of those sub-codes and the associated calculation of the table + size is recalled in order to avoid recalculating from the same juncture. + Beginning the code examination at (root + 1) bit codes, which is enabled by + identifying the reachable nodes, accounts for about six of the orders of + magnitude of improvement for the default arguments. About another four + orders of magnitude come from not revisiting previous states. Out of + approximately 2x10^16 possible prefix codes, only about 2x10^6 sub-codes + need to be examined to cover all of the possible table memory usage cases + for the default arguments of 286 symbols limited to 15-bit codes. + + Note that the uintmax_t type is used for counting. It is quite easy to + exceed the capacity of an eight-byte integer with a large number of symbols + and a large maximum code length, so multiple-precision arithmetic would need + to replace the integer arithmetic in that case. This program will abort if + an overflow occurs. The big_t type identifies where the counting takes + place. + + The uintmax_t type is also used for calculating the number of possible codes + remaining at the maximum length. This limits the maximum code length to the + number of bits in a long long minus the number of bits needed to represent + the symbols in a flat code. The code_t type identifies where the bit-pattern + counting takes place. + */ + +#include +#include +#include +#include +#include +#include + +#define local static + +// Special data types. +typedef uintmax_t big_t; // type for code counting +#define PRIbig "ju" // printf format for big_t +typedef uintmax_t code_t; // type for bit pattern counting +struct tab { // type for been-here check + size_t len; // allocated length of bit vector in octets + char *vec; // allocated bit vector +}; + +/* The array for saving results, num[], is indexed with this triplet: + + syms: number of symbols remaining to code + left: number of available bit patterns at length len + len: number of bits in the codes currently being assigned + + Those indices are constrained thusly when saving results: + + syms: 3..totsym (totsym == total symbols to code) + left: 2..syms - 1, but only the evens (so syms == 8 -> 2, 4, 6) + len: 1..max - 1 (max == maximum code length in bits) + + syms == 2 is not saved since that immediately leads to a single code. left + must be even, since it represents the number of available bit patterns at + the current length, which is double the number at the previous length. left + ends at syms-1 since left == syms immediately results in a single code. + (left > sym is not allowed since that would result in an incomplete code.) + len is less than max, since the code completes immediately when len == max. + + The offset into the array is calculated for the three indices with the first + one (syms) being outermost, and the last one (len) being innermost. We build + the array with length max-1 lists for the len index, with syms-3 of those + for each symbol. There are totsym-2 of those, with each one varying in + length as a function of sym. See the calculation of index in map() for the + index, and the calculation of size in main() for the size of the array. + + For the deflate example of 286 symbols limited to 15-bit codes, the array + has 284,284 entries, taking up 2.17 MB for an 8-byte big_t. More than half + of the space allocated for saved results is actually used -- not all + possible triplets are reached in the generation of valid prefix codes. + */ + +/* The array for tracking visited states, done[], is itself indexed identically + to the num[] array as described above for the (syms, left, len) triplet. + Each element in the array is further indexed by the (mem, rem) doublet, + where mem is the amount of inflate table space used so far, and rem is the + remaining unused entries in the current inflate sub-table. Each indexed + element is simply one bit indicating whether the state has been visited or + not. Since the ranges for mem and rem are not known a priori, each bit + vector is of a variable size, and grows as needed to accommodate the visited + states. mem and rem are used to calculate a single index in a triangular + array. Since the range of mem is expected in the default case to be about + ten times larger than the range of rem, the array is skewed to reduce the + memory usage, with eight times the range for mem than for rem. See the + calculations for offset and bit in been_here() for the details. + + For the deflate example of 286 symbols limited to 15-bit codes, the bit + vectors grow to total 5.5 MB, in addition to the 4.3 MB done array itself. + */ + +// Type for a variable-length, allocated string. +typedef struct { + char *str; // pointer to allocated string + size_t size; // size of allocation + size_t len; // length of string, not including terminating zero +} string_t; + +// Clear a string_t. +local void string_clear(string_t *s) { + s->str[0] = 0; + s->len = 0; +} + +// Initialize a string_t. +local void string_init(string_t *s) { + s->size = 16; + s->str = malloc(s->size); + assert(s->str != NULL && "out of memory"); + string_clear(s); +} + +// Release the allocation of a string_t. +local void string_free(string_t *s) { + free(s->str); + s->str = NULL; + s->size = 0; + s->len = 0; +} + +// Save the results of printf with fmt and the subsequent argument list to s. +// Each call appends to s. The allocated space for s is increased as needed. +local void string_printf(string_t *s, char *fmt, ...) { + va_list ap; + va_start(ap, fmt); + size_t len = s->len; + int ret = vsnprintf(s->str + len, s->size - len, fmt, ap); + assert(ret >= 0 && "out of memory"); + s->len += ret; + if (s->size < s->len + 1) { + do { + s->size <<= 1; + assert(s->size != 0 && "overflow"); + } while (s->size < s->len + 1); + s->str = realloc(s->str, s->size); + assert(s->str != NULL && "out of memory"); + vsnprintf(s->str + len, s->size - len, fmt, ap); + } + va_end(ap); +} + +// Globals to avoid propagating constants or constant pointers recursively. +struct { + int max; // maximum allowed bit length for the codes + int root; // size of base code table in bits + int large; // largest code table so far + size_t size; // number of elements in num and done + big_t tot; // total number of codes with maximum tables size + string_t out; // display of subcodes for maximum tables size + int *code; // number of symbols assigned to each bit length + big_t *num; // saved results array for code counting + struct tab *done; // states already evaluated array +} g; + +// Index function for num[] and done[]. +local inline size_t map(int syms, int left, int len) { + return ((size_t)((syms - 1) >> 1) * ((syms - 2) >> 1) + + (left >> 1) - 1) * (g.max - 1) + + len - 1; +} + +// Free allocated space in globals. +local void cleanup(void) { + if (g.done != NULL) { + for (size_t n = 0; n < g.size; n++) + if (g.done[n].len) + free(g.done[n].vec); + g.size = 0; + free(g.done); g.done = NULL; + } + free(g.num); g.num = NULL; + free(g.code); g.code = NULL; + string_free(&g.out); +} + +// Return the number of possible prefix codes using bit patterns of lengths len +// through max inclusive, coding syms symbols, with left bit patterns of length +// len unused -- return -1 if there is an overflow in the counting. Keep a +// record of previous results in num to prevent repeating the same calculation. +local big_t count(int syms, int left, int len) { + // see if only one possible code + if (syms == left) + return 1; + + // note and verify the expected state + assert(syms > left && left > 0 && len < g.max); + + // see if we've done this one already + size_t index = map(syms, left, len); + big_t got = g.num[index]; + if (got) + return got; // we have -- return the saved result + + // we need to use at least this many bit patterns so that the code won't be + // incomplete at the next length (more bit patterns than symbols) + int least = (left << 1) - syms; + if (least < 0) + least = 0; + + // we can use at most this many bit patterns, lest there not be enough + // available for the remaining symbols at the maximum length (if there were + // no limit to the code length, this would become: most = left - 1) + int most = (((code_t)left << (g.max - len)) - syms) / + (((code_t)1 << (g.max - len)) - 1); + + // count all possible codes from this juncture and add them up + big_t sum = 0; + for (int use = least; use <= most; use++) { + got = count(syms - use, (left - use) << 1, len + 1); + sum += got; + if (got == (big_t)-1 || sum < got) // overflow + return (big_t)-1; + } + + // verify that all recursive calls are productive + assert(sum != 0); + + // save the result and return it + g.num[index] = sum; + return sum; +} + +// Return true if we've been here before, set to true if not. Set a bit in a +// bit vector to indicate visiting this state. Each (syms,len,left) state has a +// variable size bit vector indexed by (mem,rem). The bit vector is lengthened +// as needed to allow setting the (mem,rem) bit. +local int been_here(int syms, int left, int len, int mem, int rem) { + // point to vector for (syms,left,len), bit in vector for (mem,rem) + size_t index = map(syms, left, len); + mem -= 1 << g.root; // mem always includes the root table + mem >>= 1; // mem and rem are always even + rem >>= 1; + size_t offset = (mem >> 3) + rem; + offset = ((offset * (offset + 1)) >> 1) + rem; + int bit = 1 << (mem & 7); + + // see if we've been here + size_t length = g.done[index].len; + if (offset < length && (g.done[index].vec[offset] & bit) != 0) + return 1; // done this! + + // we haven't been here before -- set the bit to show we have now + + // see if we need to lengthen the vector in order to set the bit + if (length <= offset) { + // if we have one already, enlarge it, zero out the appended space + char *vector; + if (length) { + do { + length <<= 1; + } while (length <= offset); + vector = realloc(g.done[index].vec, length); + assert(vector != NULL && "out of memory"); + memset(vector + g.done[index].len, 0, length - g.done[index].len); + } + + // otherwise we need to make a new vector and zero it out + else { + length = 16; + while (length <= offset) + length <<= 1; + vector = calloc(length, 1); + assert(vector != NULL && "out of memory"); + } + + // install the new vector + g.done[index].len = length; + g.done[index].vec = vector; + } + + // set the bit + g.done[index].vec[offset] |= bit; + return 0; +} + +// Examine all possible codes from the given node (syms, len, left). Compute +// the amount of memory required to build inflate's decoding tables, where the +// number of code structures used so far is mem, and the number remaining in +// the current sub-table is rem. +local void examine(int syms, int left, int len, int mem, int rem) { + // see if we have a complete code + if (syms == left) { + // set the last code entry + g.code[len] = left; + + // complete computation of memory used by this code + while (rem < left) { + left -= rem; + rem = 1 << (len - g.root); + mem += rem; + } + assert(rem == left); + + // if this is at the maximum, show the sub-code + if (mem >= g.large) { + // if this is a new maximum, update the maximum and clear out the + // printed sub-codes from the previous maximum + if (mem > g.large) { + g.large = mem; + string_clear(&g.out); + } + + // compute the starting state for this sub-code + syms = 0; + left = 1 << g.max; + for (int bits = g.max; bits > g.root; bits--) { + syms += g.code[bits]; + left -= g.code[bits]; + assert((left & 1) == 0); + left >>= 1; + } + + // print the starting state and the resulting sub-code to g.out + string_printf(&g.out, "<%u, %u, %u>:", + syms, g.root + 1, ((1 << g.root) - left) << 1); + for (int bits = g.root + 1; bits <= g.max; bits++) + if (g.code[bits]) + string_printf(&g.out, " %d[%d]", g.code[bits], bits); + string_printf(&g.out, "\n"); + } + + // remove entries as we drop back down in the recursion + g.code[len] = 0; + return; + } + + // prune the tree if we can + if (been_here(syms, left, len, mem, rem)) + return; + + // we need to use at least this many bit patterns so that the code won't be + // incomplete at the next length (more bit patterns than symbols) + int least = (left << 1) - syms; + if (least < 0) + least = 0; + + // we can use at most this many bit patterns, lest there not be enough + // available for the remaining symbols at the maximum length (if there were + // no limit to the code length, this would become: most = left - 1) + int most = (((code_t)left << (g.max - len)) - syms) / + (((code_t)1 << (g.max - len)) - 1); + + // occupy least table spaces, creating new sub-tables as needed + int use = least; + while (rem < use) { + use -= rem; + rem = 1 << (len - g.root); + mem += rem; + } + rem -= use; + + // examine codes from here, updating table space as we go + for (use = least; use <= most; use++) { + g.code[len] = use; + examine(syms - use, (left - use) << 1, len + 1, + mem + (rem ? 1 << (len - g.root) : 0), rem << 1); + if (rem == 0) { + rem = 1 << (len - g.root); + mem += rem; + } + rem--; + } + + // remove entries as we drop back down in the recursion + g.code[len] = 0; +} + +// Look at all sub-codes starting with root + 1 bits. Look at only the valid +// intermediate code states (syms, left, len). For each completed code, +// calculate the amount of memory required by inflate to build the decoding +// tables. Find the maximum amount of memory required and show the codes that +// require that maximum. +local void enough(int syms) { + // clear code + for (int n = 0; n <= g.max; n++) + g.code[n] = 0; + + // look at all (root + 1) bit and longer codes + string_clear(&g.out); // empty saved results + g.large = 1 << g.root; // base table + if (g.root < g.max) // otherwise, there's only a base table + for (int n = 3; n <= syms; n++) + for (int left = 2; left < n; left += 2) { + // look at all reachable (root + 1) bit nodes, and the + // resulting codes (complete at root + 2 or more) + size_t index = map(n, left, g.root + 1); + if (g.root + 1 < g.max && g.num[index]) // reachable node + examine(n, left, g.root + 1, 1 << g.root, 0); + + // also look at root bit codes with completions at root + 1 + // bits (not saved in num, since complete), just in case + if (g.num[index - 1] && n <= left << 1) + examine((n - left) << 1, (n - left) << 1, g.root + 1, + 1 << g.root, 0); + } + + // done + printf("maximum of %d table entries for root = %d\n", g.large, g.root); + fputs(g.out.str, stdout); +} + +// Examine and show the total number of possible prefix codes for a given +// maximum number of symbols, initial root table size, and maximum code length +// in bits -- those are the command arguments in that order. The default values +// are 286, 9, and 15 respectively, for the deflate literal/length code. The +// possible codes are counted for each number of coded symbols from two to the +// maximum. The counts for each of those and the total number of codes are +// shown. The maximum number of inflate table entries is then calculated across +// all possible codes. Each new maximum number of table entries and the +// associated sub-code (starting at root + 1 == 10 bits) is shown. +// +// To count and examine prefix codes that are not length-limited, provide a +// maximum length equal to the number of symbols minus one. +// +// For the deflate literal/length code, use "enough". For the deflate distance +// code, use "enough 30 6". +int main(int argc, char **argv) { + // set up globals for cleanup() + g.code = NULL; + g.num = NULL; + g.done = NULL; + string_init(&g.out); + + // get arguments -- default to the deflate literal/length code + int syms = 286; + g.root = 9; + g.max = 15; + if (argc > 1) { + syms = atoi(argv[1]); + if (argc > 2) { + g.root = atoi(argv[2]); + if (argc > 3) + g.max = atoi(argv[3]); + } + } + if (argc > 4 || syms < 2 || g.root < 1 || g.max < 1) { + fputs("invalid arguments, need: [sym >= 2 [root >= 1 [max >= 1]]]\n", + stderr); + return 1; + } + + // if not restricting the code length, the longest is syms - 1 + if (g.max > syms - 1) + g.max = syms - 1; + + // determine the number of bits in a code_t + int bits = 0; + for (code_t word = 1; word; word <<= 1) + bits++; + + // make sure that the calculation of most will not overflow + if (g.max > bits || (code_t)(syms - 2) >= ((code_t)-1 >> (g.max - 1))) { + fputs("abort: code length too long for internal types\n", stderr); + return 1; + } + + // reject impossible code requests + if ((code_t)(syms - 1) > ((code_t)1 << g.max) - 1) { + fprintf(stderr, "%d symbols cannot be coded in %d bits\n", + syms, g.max); + return 1; + } + + // allocate code vector + g.code = calloc(g.max + 1, sizeof(int)); + assert(g.code != NULL && "out of memory"); + + // determine size of saved results array, checking for overflows, + // allocate and clear the array (set all to zero with calloc()) + if (syms == 2) // iff max == 1 + g.num = NULL; // won't be saving any results + else { + g.size = syms >> 1; + int n = (syms - 1) >> 1; + assert(g.size <= (size_t)-1 / n && "overflow"); + g.size *= n; + n = g.max - 1; + assert(g.size <= (size_t)-1 / n && "overflow"); + g.size *= n; + g.num = calloc(g.size, sizeof(big_t)); + assert(g.num != NULL && "out of memory"); + } + + // count possible codes for all numbers of symbols, add up counts + big_t sum = 0; + for (int n = 2; n <= syms; n++) { + big_t got = count(n, 2, 1); + sum += got; + assert(got != (big_t)-1 && sum >= got && "overflow"); + } + printf("%"PRIbig" total codes for 2 to %d symbols", sum, syms); + if (g.max < syms - 1) + printf(" (%d-bit length limit)\n", g.max); + else + puts(" (no length limit)"); + + // allocate and clear done array for been_here() + if (syms == 2) + g.done = NULL; + else { + g.done = calloc(g.size, sizeof(struct tab)); + assert(g.done != NULL && "out of memory"); + } + + // find and show maximum inflate table usage + if (g.root > g.max) // reduce root to max length + g.root = g.max; + if ((code_t)syms < ((code_t)1 << (g.root + 1))) + enough(syms); + else + fputs("cannot handle minimum code lengths > root", stderr); + + // done + cleanup(); + return 0; +} diff --git a/examples/fitblk.c b/examples/fitblk.c new file mode 100644 index 0000000..68f5680 --- /dev/null +++ b/examples/fitblk.c @@ -0,0 +1,233 @@ +/* fitblk.c: example of fitting compressed output to a specified size + Not copyrighted -- provided to the public domain + Version 1.1 25 November 2004 Mark Adler */ + +/* Version history: + 1.0 24 Nov 2004 First version + 1.1 25 Nov 2004 Change deflateInit2() to deflateInit() + Use fixed-size, stack-allocated raw buffers + Simplify code moving compression to subroutines + Use assert() for internal errors + Add detailed description of approach + */ + +/* Approach to just fitting a requested compressed size: + + fitblk performs three compression passes on a portion of the input + data in order to determine how much of that input will compress to + nearly the requested output block size. The first pass generates + enough deflate blocks to produce output to fill the requested + output size plus a specified excess amount (see the EXCESS define + below). The last deflate block may go quite a bit past that, but + is discarded. The second pass decompresses and recompresses just + the compressed data that fit in the requested plus excess sized + buffer. The deflate process is terminated after that amount of + input, which is less than the amount consumed on the first pass. + The last deflate block of the result will be of a comparable size + to the final product, so that the header for that deflate block and + the compression ratio for that block will be about the same as in + the final product. The third compression pass decompresses the + result of the second step, but only the compressed data up to the + requested size minus an amount to allow the compressed stream to + complete (see the MARGIN define below). That will result in a + final compressed stream whose length is less than or equal to the + requested size. Assuming sufficient input and a requested size + greater than a few hundred bytes, the shortfall will typically be + less than ten bytes. + + If the input is short enough that the first compression completes + before filling the requested output size, then that compressed + stream is return with no recompression. + + EXCESS is chosen to be just greater than the shortfall seen in a + two pass approach similar to the above. That shortfall is due to + the last deflate block compressing more efficiently with a smaller + header on the second pass. EXCESS is set to be large enough so + that there is enough uncompressed data for the second pass to fill + out the requested size, and small enough so that the final deflate + block of the second pass will be close in size to the final deflate + block of the third and final pass. MARGIN is chosen to be just + large enough to assure that the final compression has enough room + to complete in all cases. + */ + +#include +#include +#include +#include "zlib.h" + +#define local static + +/* print nastygram and leave */ +local void quit(char *why) +{ + fprintf(stderr, "fitblk abort: %s\n", why); + exit(1); +} + +#define RAWLEN 4096 /* intermediate uncompressed buffer size */ + +/* compress from file to def until provided buffer is full or end of + input reached; return last deflate() return value, or Z_ERRNO if + there was read error on the file */ +local int partcompress(FILE *in, z_streamp def) +{ + int ret, flush; + unsigned char raw[RAWLEN]; + + flush = Z_NO_FLUSH; + do { + def->avail_in = fread(raw, 1, RAWLEN, in); + if (ferror(in)) + return Z_ERRNO; + def->next_in = raw; + if (feof(in)) + flush = Z_FINISH; + ret = deflate(def, flush); + assert(ret != Z_STREAM_ERROR); + } while (def->avail_out != 0 && flush == Z_NO_FLUSH); + return ret; +} + +/* recompress from inf's input to def's output; the input for inf and + the output for def are set in those structures before calling; + return last deflate() return value, or Z_MEM_ERROR if inflate() + was not able to allocate enough memory when it needed to */ +local int recompress(z_streamp inf, z_streamp def) +{ + int ret, flush; + unsigned char raw[RAWLEN]; + + flush = Z_NO_FLUSH; + do { + /* decompress */ + inf->avail_out = RAWLEN; + inf->next_out = raw; + ret = inflate(inf, Z_NO_FLUSH); + assert(ret != Z_STREAM_ERROR && ret != Z_DATA_ERROR && + ret != Z_NEED_DICT); + if (ret == Z_MEM_ERROR) + return ret; + + /* compress what was decompressed until done or no room */ + def->avail_in = RAWLEN - inf->avail_out; + def->next_in = raw; + if (inf->avail_out != 0) + flush = Z_FINISH; + ret = deflate(def, flush); + assert(ret != Z_STREAM_ERROR); + } while (ret != Z_STREAM_END && def->avail_out != 0); + return ret; +} + +#define EXCESS 256 /* empirically determined stream overage */ +#define MARGIN 8 /* amount to back off for completion */ + +/* compress from stdin to fixed-size block on stdout */ +int main(int argc, char **argv) +{ + int ret; /* return code */ + unsigned size; /* requested fixed output block size */ + unsigned have; /* bytes written by deflate() call */ + unsigned char *blk; /* intermediate and final stream */ + unsigned char *tmp; /* close to desired size stream */ + z_stream def, inf; /* zlib deflate and inflate states */ + + /* get requested output size */ + if (argc != 2) + quit("need one argument: size of output block"); + ret = strtol(argv[1], argv + 1, 10); + if (argv[1][0] != 0) + quit("argument must be a number"); + if (ret < 8) /* 8 is minimum zlib stream size */ + quit("need positive size of 8 or greater"); + size = (unsigned)ret; + + /* allocate memory for buffers and compression engine */ + blk = malloc(size + EXCESS); + def.zalloc = Z_NULL; + def.zfree = Z_NULL; + def.opaque = Z_NULL; + ret = deflateInit(&def, Z_DEFAULT_COMPRESSION); + if (ret != Z_OK || blk == NULL) + quit("out of memory"); + + /* compress from stdin until output full, or no more input */ + def.avail_out = size + EXCESS; + def.next_out = blk; + ret = partcompress(stdin, &def); + if (ret == Z_ERRNO) + quit("error reading input"); + + /* if it all fit, then size was undersubscribed -- done! */ + if (ret == Z_STREAM_END && def.avail_out >= EXCESS) { + /* write block to stdout */ + have = size + EXCESS - def.avail_out; + if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) + quit("error writing output"); + + /* clean up and print results to stderr */ + ret = deflateEnd(&def); + assert(ret != Z_STREAM_ERROR); + free(blk); + fprintf(stderr, + "%u bytes unused out of %u requested (all input)\n", + size - have, size); + return 0; + } + + /* it didn't all fit -- set up for recompression */ + inf.zalloc = Z_NULL; + inf.zfree = Z_NULL; + inf.opaque = Z_NULL; + inf.avail_in = 0; + inf.next_in = Z_NULL; + ret = inflateInit(&inf); + tmp = malloc(size + EXCESS); + if (ret != Z_OK || tmp == NULL) + quit("out of memory"); + ret = deflateReset(&def); + assert(ret != Z_STREAM_ERROR); + + /* do first recompression close to the right amount */ + inf.avail_in = size + EXCESS; + inf.next_in = blk; + def.avail_out = size + EXCESS; + def.next_out = tmp; + ret = recompress(&inf, &def); + if (ret == Z_MEM_ERROR) + quit("out of memory"); + + /* set up for next reocmpression */ + ret = inflateReset(&inf); + assert(ret != Z_STREAM_ERROR); + ret = deflateReset(&def); + assert(ret != Z_STREAM_ERROR); + + /* do second and final recompression (third compression) */ + inf.avail_in = size - MARGIN; /* assure stream will complete */ + inf.next_in = tmp; + def.avail_out = size; + def.next_out = blk; + ret = recompress(&inf, &def); + if (ret == Z_MEM_ERROR) + quit("out of memory"); + assert(ret == Z_STREAM_END); /* otherwise MARGIN too small */ + + /* done -- write block to stdout */ + have = size - def.avail_out; + if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) + quit("error writing output"); + + /* clean up and print results to stderr */ + free(tmp); + ret = inflateEnd(&inf); + assert(ret != Z_STREAM_ERROR); + ret = deflateEnd(&def); + assert(ret != Z_STREAM_ERROR); + free(blk); + fprintf(stderr, + "%u bytes unused out of %u requested (%lu input)\n", + size - have, size, def.total_in); + return 0; +} diff --git a/examples/gun.c b/examples/gun.c new file mode 100644 index 0000000..bea5497 --- /dev/null +++ b/examples/gun.c @@ -0,0 +1,702 @@ +/* gun.c -- simple gunzip to give an example of the use of inflateBack() + * Copyright (C) 2003, 2005, 2008, 2010, 2012 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + Version 1.7 12 August 2012 Mark Adler */ + +/* Version history: + 1.0 16 Feb 2003 First version for testing of inflateBack() + 1.1 21 Feb 2005 Decompress concatenated gzip streams + Remove use of "this" variable (C++ keyword) + Fix return value for in() + Improve allocation failure checking + Add typecasting for void * structures + Add -h option for command version and usage + Add a bunch of comments + 1.2 20 Mar 2005 Add Unix compress (LZW) decompression + Copy file attributes from input file to output file + 1.3 12 Jun 2005 Add casts for error messages [Oberhumer] + 1.4 8 Dec 2006 LZW decompression speed improvements + 1.5 9 Feb 2008 Avoid warning in latest version of gcc + 1.6 17 Jan 2010 Avoid signed/unsigned comparison warnings + 1.7 12 Aug 2012 Update for z_const usage in zlib 1.2.8 + */ + +/* + gun [ -t ] [ name ... ] + + decompresses the data in the named gzip files. If no arguments are given, + gun will decompress from stdin to stdout. The names must end in .gz, -gz, + .z, -z, _z, or .Z. The uncompressed data will be written to a file name + with the suffix stripped. On success, the original file is deleted. On + failure, the output file is deleted. For most failures, the command will + continue to process the remaining names on the command line. A memory + allocation failure will abort the command. If -t is specified, then the + listed files or stdin will be tested as gzip files for integrity (without + checking for a proper suffix), no output will be written, and no files + will be deleted. + + Like gzip, gun allows concatenated gzip streams and will decompress them, + writing all of the uncompressed data to the output. Unlike gzip, gun allows + an empty file on input, and will produce no error writing an empty output + file. + + gun will also decompress files made by Unix compress, which uses LZW + compression. These files are automatically detected by virtue of their + magic header bytes. Since the end of Unix compress stream is marked by the + end-of-file, they cannot be concatenated. If a Unix compress stream is + encountered in an input file, it is the last stream in that file. + + Like gunzip and uncompress, the file attributes of the original compressed + file are maintained in the final uncompressed file, to the extent that the + user permissions allow it. + + On my Mac OS X PowerPC G4, gun is almost twice as fast as gunzip (version + 1.2.4) is on the same file, when gun is linked with zlib 1.2.2. Also the + LZW decompression provided by gun is about twice as fast as the standard + Unix uncompress command. + */ + +/* external functions and related types and constants */ +#include /* fprintf() */ +#include /* malloc(), free() */ +#include /* strerror(), strcmp(), strlen(), memcpy() */ +#include /* errno */ +#include /* open() */ +#include /* read(), write(), close(), chown(), unlink() */ +#include +#include /* stat(), chmod() */ +#include /* utime() */ +#include "zlib.h" /* inflateBackInit(), inflateBack(), */ + /* inflateBackEnd(), crc32() */ + +/* function declaration */ +#define local static + +/* buffer constants */ +#define SIZE 32768U /* input and output buffer sizes */ +#define PIECE 16384 /* limits i/o chunks for 16-bit int case */ + +/* structure for infback() to pass to input function in() -- it maintains the + input file and a buffer of size SIZE */ +struct ind { + int infile; + unsigned char *inbuf; +}; + +/* Load input buffer, assumed to be empty, and return bytes loaded and a + pointer to them. read() is called until the buffer is full, or until it + returns end-of-file or error. Return 0 on error. */ +local unsigned in(void *in_desc, z_const unsigned char **buf) +{ + int ret; + unsigned len; + unsigned char *next; + struct ind *me = (struct ind *)in_desc; + + next = me->inbuf; + *buf = next; + len = 0; + do { + ret = PIECE; + if ((unsigned)ret > SIZE - len) + ret = (int)(SIZE - len); + ret = (int)read(me->infile, next, ret); + if (ret == -1) { + len = 0; + break; + } + next += ret; + len += ret; + } while (ret != 0 && len < SIZE); + return len; +} + +/* structure for infback() to pass to output function out() -- it maintains the + output file, a running CRC-32 check on the output and the total number of + bytes output, both for checking against the gzip trailer. (The length in + the gzip trailer is stored modulo 2^32, so it's ok if a long is 32 bits and + the output is greater than 4 GB.) */ +struct outd { + int outfile; + int check; /* true if checking crc and total */ + unsigned long crc; + unsigned long total; +}; + +/* Write output buffer and update the CRC-32 and total bytes written. write() + is called until all of the output is written or an error is encountered. + On success out() returns 0. For a write failure, out() returns 1. If the + output file descriptor is -1, then nothing is written. + */ +local int out(void *out_desc, unsigned char *buf, unsigned len) +{ + int ret; + struct outd *me = (struct outd *)out_desc; + + if (me->check) { + me->crc = crc32(me->crc, buf, len); + me->total += len; + } + if (me->outfile != -1) + do { + ret = PIECE; + if ((unsigned)ret > len) + ret = (int)len; + ret = (int)write(me->outfile, buf, ret); + if (ret == -1) + return 1; + buf += ret; + len -= ret; + } while (len != 0); + return 0; +} + +/* next input byte macro for use inside lunpipe() and gunpipe() */ +#define NEXT() (have ? 0 : (have = in(indp, &next)), \ + last = have ? (have--, (int)(*next++)) : -1) + +/* memory for gunpipe() and lunpipe() -- + the first 256 entries of prefix[] and suffix[] are never used, could + have offset the index, but it's faster to waste the memory */ +unsigned char inbuf[SIZE]; /* input buffer */ +unsigned char outbuf[SIZE]; /* output buffer */ +unsigned short prefix[65536]; /* index to LZW prefix string */ +unsigned char suffix[65536]; /* one-character LZW suffix */ +unsigned char match[65280 + 2]; /* buffer for reversed match or gzip + 32K sliding window */ + +/* throw out what's left in the current bits byte buffer (this is a vestigial + aspect of the compressed data format derived from an implementation that + made use of a special VAX machine instruction!) */ +#define FLUSHCODE() \ + do { \ + left = 0; \ + rem = 0; \ + if (chunk > have) { \ + chunk -= have; \ + have = 0; \ + if (NEXT() == -1) \ + break; \ + chunk--; \ + if (chunk > have) { \ + chunk = have = 0; \ + break; \ + } \ + } \ + have -= chunk; \ + next += chunk; \ + chunk = 0; \ + } while (0) + +/* Decompress a compress (LZW) file from indp to outfile. The compress magic + header (two bytes) has already been read and verified. There are have bytes + of buffered input at next. strm is used for passing error information back + to gunpipe(). + + lunpipe() will return Z_OK on success, Z_BUF_ERROR for an unexpected end of + file, read error, or write error (a write error indicated by strm->next_in + not equal to Z_NULL), or Z_DATA_ERROR for invalid input. + */ +local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp, + int outfile, z_stream *strm) +{ + int last; /* last byte read by NEXT(), or -1 if EOF */ + unsigned chunk; /* bytes left in current chunk */ + int left; /* bits left in rem */ + unsigned rem; /* unused bits from input */ + int bits; /* current bits per code */ + unsigned code; /* code, table traversal index */ + unsigned mask; /* mask for current bits codes */ + int max; /* maximum bits per code for this stream */ + unsigned flags; /* compress flags, then block compress flag */ + unsigned end; /* last valid entry in prefix/suffix tables */ + unsigned temp; /* current code */ + unsigned prev; /* previous code */ + unsigned final; /* last character written for previous code */ + unsigned stack; /* next position for reversed string */ + unsigned outcnt; /* bytes in output buffer */ + struct outd outd; /* output structure */ + unsigned char *p; + + /* set up output */ + outd.outfile = outfile; + outd.check = 0; + + /* process remainder of compress header -- a flags byte */ + flags = NEXT(); + if (last == -1) + return Z_BUF_ERROR; + if (flags & 0x60) { + strm->msg = (char *)"unknown lzw flags set"; + return Z_DATA_ERROR; + } + max = flags & 0x1f; + if (max < 9 || max > 16) { + strm->msg = (char *)"lzw bits out of range"; + return Z_DATA_ERROR; + } + if (max == 9) /* 9 doesn't really mean 9 */ + max = 10; + flags &= 0x80; /* true if block compress */ + + /* clear table */ + bits = 9; + mask = 0x1ff; + end = flags ? 256 : 255; + + /* set up: get first 9-bit code, which is the first decompressed byte, but + don't create a table entry until the next code */ + if (NEXT() == -1) /* no compressed data is ok */ + return Z_OK; + final = prev = (unsigned)last; /* low 8 bits of code */ + if (NEXT() == -1) /* missing a bit */ + return Z_BUF_ERROR; + if (last & 1) { /* code must be < 256 */ + strm->msg = (char *)"invalid lzw code"; + return Z_DATA_ERROR; + } + rem = (unsigned)last >> 1; /* remaining 7 bits */ + left = 7; + chunk = bits - 2; /* 7 bytes left in this chunk */ + outbuf[0] = (unsigned char)final; /* write first decompressed byte */ + outcnt = 1; + + /* decode codes */ + stack = 0; + for (;;) { + /* if the table will be full after this, increment the code size */ + if (end >= mask && bits < max) { + FLUSHCODE(); + bits++; + mask <<= 1; + mask++; + } + + /* get a code of length bits */ + if (chunk == 0) /* decrement chunk modulo bits */ + chunk = bits; + code = rem; /* low bits of code */ + if (NEXT() == -1) { /* EOF is end of compressed data */ + /* write remaining buffered output */ + if (outcnt && out(&outd, outbuf, outcnt)) { + strm->next_in = outbuf; /* signal write error */ + return Z_BUF_ERROR; + } + return Z_OK; + } + code += (unsigned)last << left; /* middle (or high) bits of code */ + left += 8; + chunk--; + if (bits > left) { /* need more bits */ + if (NEXT() == -1) /* can't end in middle of code */ + return Z_BUF_ERROR; + code += (unsigned)last << left; /* high bits of code */ + left += 8; + chunk--; + } + code &= mask; /* mask to current code length */ + left -= bits; /* number of unused bits */ + rem = (unsigned)last >> (8 - left); /* unused bits from last byte */ + + /* process clear code (256) */ + if (code == 256 && flags) { + FLUSHCODE(); + bits = 9; /* initialize bits and mask */ + mask = 0x1ff; + end = 255; /* empty table */ + continue; /* get next code */ + } + + /* special code to reuse last match */ + temp = code; /* save the current code */ + if (code > end) { + /* Be picky on the allowed code here, and make sure that the code + we drop through (prev) will be a valid index so that random + input does not cause an exception. The code != end + 1 check is + empirically derived, and not checked in the original uncompress + code. If this ever causes a problem, that check could be safely + removed. Leaving this check in greatly improves gun's ability + to detect random or corrupted input after a compress header. + In any case, the prev > end check must be retained. */ + if (code != end + 1 || prev > end) { + strm->msg = (char *)"invalid lzw code"; + return Z_DATA_ERROR; + } + match[stack++] = (unsigned char)final; + code = prev; + } + + /* walk through linked list to generate output in reverse order */ + p = match + stack; + while (code >= 256) { + *p++ = suffix[code]; + code = prefix[code]; + } + stack = p - match; + match[stack++] = (unsigned char)code; + final = code; + + /* link new table entry */ + if (end < mask) { + end++; + prefix[end] = (unsigned short)prev; + suffix[end] = (unsigned char)final; + } + + /* set previous code for next iteration */ + prev = temp; + + /* write output in forward order */ + while (stack > SIZE - outcnt) { + while (outcnt < SIZE) + outbuf[outcnt++] = match[--stack]; + if (out(&outd, outbuf, outcnt)) { + strm->next_in = outbuf; /* signal write error */ + return Z_BUF_ERROR; + } + outcnt = 0; + } + p = match + stack; + do { + outbuf[outcnt++] = *--p; + } while (p > match); + stack = 0; + + /* loop for next code with final and prev as the last match, rem and + left provide the first 0..7 bits of the next code, end is the last + valid table entry */ + } +} + +/* Decompress a gzip file from infile to outfile. strm is assumed to have been + successfully initialized with inflateBackInit(). The input file may consist + of a series of gzip streams, in which case all of them will be decompressed + to the output file. If outfile is -1, then the gzip stream(s) integrity is + checked and nothing is written. + + The return value is a zlib error code: Z_MEM_ERROR if out of memory, + Z_DATA_ERROR if the header or the compressed data is invalid, or if the + trailer CRC-32 check or length doesn't match, Z_BUF_ERROR if the input ends + prematurely or a write error occurs, or Z_ERRNO if junk (not a another gzip + stream) follows a valid gzip stream. + */ +local int gunpipe(z_stream *strm, int infile, int outfile) +{ + int ret, first, last; + unsigned have, flags, len; + z_const unsigned char *next = NULL; + struct ind ind, *indp; + struct outd outd; + + /* setup input buffer */ + ind.infile = infile; + ind.inbuf = inbuf; + indp = &ind; + + /* decompress concatenated gzip streams */ + have = 0; /* no input data read in yet */ + first = 1; /* looking for first gzip header */ + strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ + for (;;) { + /* look for the two magic header bytes for a gzip stream */ + if (NEXT() == -1) { + ret = Z_OK; + break; /* empty gzip stream is ok */ + } + if (last != 31 || (NEXT() != 139 && last != 157)) { + strm->msg = (char *)"incorrect header check"; + ret = first ? Z_DATA_ERROR : Z_ERRNO; + break; /* not a gzip or compress header */ + } + first = 0; /* next non-header is junk */ + + /* process a compress (LZW) file -- can't be concatenated after this */ + if (last == 157) { + ret = lunpipe(have, next, indp, outfile, strm); + break; + } + + /* process remainder of gzip header */ + ret = Z_BUF_ERROR; + if (NEXT() != 8) { /* only deflate method allowed */ + if (last == -1) break; + strm->msg = (char *)"unknown compression method"; + ret = Z_DATA_ERROR; + break; + } + flags = NEXT(); /* header flags */ + NEXT(); /* discard mod time, xflgs, os */ + NEXT(); + NEXT(); + NEXT(); + NEXT(); + NEXT(); + if (last == -1) break; + if (flags & 0xe0) { + strm->msg = (char *)"unknown header flags set"; + ret = Z_DATA_ERROR; + break; + } + if (flags & 4) { /* extra field */ + len = NEXT(); + len += (unsigned)(NEXT()) << 8; + if (last == -1) break; + while (len > have) { + len -= have; + have = 0; + if (NEXT() == -1) break; + len--; + } + if (last == -1) break; + have -= len; + next += len; + } + if (flags & 8) /* file name */ + while (NEXT() != 0 && last != -1) + ; + if (flags & 16) /* comment */ + while (NEXT() != 0 && last != -1) + ; + if (flags & 2) { /* header crc */ + NEXT(); + NEXT(); + } + if (last == -1) break; + + /* set up output */ + outd.outfile = outfile; + outd.check = 1; + outd.crc = crc32(0L, Z_NULL, 0); + outd.total = 0; + + /* decompress data to output */ + strm->next_in = next; + strm->avail_in = have; + ret = inflateBack(strm, in, indp, out, &outd); + if (ret != Z_STREAM_END) break; + next = strm->next_in; + have = strm->avail_in; + strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ + + /* check trailer */ + ret = Z_BUF_ERROR; + if (NEXT() != (int)(outd.crc & 0xff) || + NEXT() != (int)((outd.crc >> 8) & 0xff) || + NEXT() != (int)((outd.crc >> 16) & 0xff) || + NEXT() != (int)((outd.crc >> 24) & 0xff)) { + /* crc error */ + if (last != -1) { + strm->msg = (char *)"incorrect data check"; + ret = Z_DATA_ERROR; + } + break; + } + if (NEXT() != (int)(outd.total & 0xff) || + NEXT() != (int)((outd.total >> 8) & 0xff) || + NEXT() != (int)((outd.total >> 16) & 0xff) || + NEXT() != (int)((outd.total >> 24) & 0xff)) { + /* length error */ + if (last != -1) { + strm->msg = (char *)"incorrect length check"; + ret = Z_DATA_ERROR; + } + break; + } + + /* go back and look for another gzip stream */ + } + + /* clean up and return */ + return ret; +} + +/* Copy file attributes, from -> to, as best we can. This is best effort, so + no errors are reported. The mode bits, including suid, sgid, and the sticky + bit are copied (if allowed), the owner's user id and group id are copied + (again if allowed), and the access and modify times are copied. */ +local void copymeta(char *from, char *to) +{ + struct stat was; + struct utimbuf when; + + /* get all of from's Unix meta data, return if not a regular file */ + if (stat(from, &was) != 0 || (was.st_mode & S_IFMT) != S_IFREG) + return; + + /* set to's mode bits, ignore errors */ + (void)chmod(to, was.st_mode & 07777); + + /* copy owner's user and group, ignore errors */ + (void)chown(to, was.st_uid, was.st_gid); + + /* copy access and modify times, ignore errors */ + when.actime = was.st_atime; + when.modtime = was.st_mtime; + (void)utime(to, &when); +} + +/* Decompress the file inname to the file outnname, of if test is true, just + decompress without writing and check the gzip trailer for integrity. If + inname is NULL or an empty string, read from stdin. If outname is NULL or + an empty string, write to stdout. strm is a pre-initialized inflateBack + structure. When appropriate, copy the file attributes from inname to + outname. + + gunzip() returns 1 if there is an out-of-memory error or an unexpected + return code from gunpipe(). Otherwise it returns 0. + */ +local int gunzip(z_stream *strm, char *inname, char *outname, int test) +{ + int ret; + int infile, outfile; + + /* open files */ + if (inname == NULL || *inname == 0) { + inname = "-"; + infile = 0; /* stdin */ + } + else { + infile = open(inname, O_RDONLY, 0); + if (infile == -1) { + fprintf(stderr, "gun cannot open %s\n", inname); + return 0; + } + } + if (test) + outfile = -1; + else if (outname == NULL || *outname == 0) { + outname = "-"; + outfile = 1; /* stdout */ + } + else { + outfile = open(outname, O_CREAT | O_TRUNC | O_WRONLY, 0666); + if (outfile == -1) { + close(infile); + fprintf(stderr, "gun cannot create %s\n", outname); + return 0; + } + } + errno = 0; + + /* decompress */ + ret = gunpipe(strm, infile, outfile); + if (outfile > 2) close(outfile); + if (infile > 2) close(infile); + + /* interpret result */ + switch (ret) { + case Z_OK: + case Z_ERRNO: + if (infile > 2 && outfile > 2) { + copymeta(inname, outname); /* copy attributes */ + unlink(inname); + } + if (ret == Z_ERRNO) + fprintf(stderr, "gun warning: trailing garbage ignored in %s\n", + inname); + break; + case Z_DATA_ERROR: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun data error on %s: %s\n", inname, strm->msg); + break; + case Z_MEM_ERROR: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun out of memory error--aborting\n"); + return 1; + case Z_BUF_ERROR: + if (outfile > 2) unlink(outname); + if (strm->next_in != Z_NULL) { + fprintf(stderr, "gun write error on %s: %s\n", + outname, strerror(errno)); + } + else if (errno) { + fprintf(stderr, "gun read error on %s: %s\n", + inname, strerror(errno)); + } + else { + fprintf(stderr, "gun unexpected end of file on %s\n", + inname); + } + break; + default: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun internal error--aborting\n"); + return 1; + } + return 0; +} + +/* Process the gun command line arguments. See the command syntax near the + beginning of this source file. */ +int main(int argc, char **argv) +{ + int ret, len, test; + char *outname; + unsigned char *window; + z_stream strm; + + /* initialize inflateBack state for repeated use */ + window = match; /* reuse LZW match buffer */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + ret = inflateBackInit(&strm, 15, window); + if (ret != Z_OK) { + fprintf(stderr, "gun out of memory error--aborting\n"); + return 1; + } + + /* decompress each file to the same name with the suffix removed */ + argc--; + argv++; + test = 0; + if (argc && strcmp(*argv, "-h") == 0) { + fprintf(stderr, "gun 1.6 (17 Jan 2010)\n"); + fprintf(stderr, "Copyright (C) 2003-2010 Mark Adler\n"); + fprintf(stderr, "usage: gun [-t] [file1.gz [file2.Z ...]]\n"); + return 0; + } + if (argc && strcmp(*argv, "-t") == 0) { + test = 1; + argc--; + argv++; + } + if (argc) + do { + if (test) + outname = NULL; + else { + len = (int)strlen(*argv); + if (strcmp(*argv + len - 3, ".gz") == 0 || + strcmp(*argv + len - 3, "-gz") == 0) + len -= 3; + else if (strcmp(*argv + len - 2, ".z") == 0 || + strcmp(*argv + len - 2, "-z") == 0 || + strcmp(*argv + len - 2, "_z") == 0 || + strcmp(*argv + len - 2, ".Z") == 0) + len -= 2; + else { + fprintf(stderr, "gun error: no gz type on %s--skipping\n", + *argv); + continue; + } + outname = malloc(len + 1); + if (outname == NULL) { + fprintf(stderr, "gun out of memory error--aborting\n"); + ret = 1; + break; + } + memcpy(outname, *argv, len); + outname[len] = 0; + } + ret = gunzip(&strm, *argv, outname, test); + if (outname != NULL) free(outname); + if (ret) break; + } while (argv++, --argc); + else + ret = gunzip(&strm, NULL, NULL, test); + + /* clean up */ + inflateBackEnd(&strm); + return ret; +} diff --git a/examples/gzappend.c b/examples/gzappend.c new file mode 100644 index 0000000..23e93cf --- /dev/null +++ b/examples/gzappend.c @@ -0,0 +1,504 @@ +/* gzappend -- command to append to a gzip file + + Copyright (C) 2003, 2012 Mark Adler, all rights reserved + version 1.2, 11 Oct 2012 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* + * Change history: + * + * 1.0 19 Oct 2003 - First version + * 1.1 4 Nov 2003 - Expand and clarify some comments and notes + * - Add version and copyright to help + * - Send help to stdout instead of stderr + * - Add some preemptive typecasts + * - Add L to constants in lseek() calls + * - Remove some debugging information in error messages + * - Use new data_type definition for zlib 1.2.1 + * - Simplify and unify file operations + * - Finish off gzip file in gztack() + * - Use deflatePrime() instead of adding empty blocks + * - Keep gzip file clean on appended file read errors + * - Use in-place rotate instead of auxiliary buffer + * (Why you ask? Because it was fun to write!) + * 1.2 11 Oct 2012 - Fix for proper z_const usage + * - Check for input buffer malloc failure + */ + +/* + gzappend takes a gzip file and appends to it, compressing files from the + command line or data from stdin. The gzip file is written to directly, to + avoid copying that file, in case it's large. Note that this results in the + unfriendly behavior that if gzappend fails, the gzip file is corrupted. + + This program was written to illustrate the use of the new Z_BLOCK option of + zlib 1.2.x's inflate() function. This option returns from inflate() at each + block boundary to facilitate locating and modifying the last block bit at + the start of the final deflate block. Also whether using Z_BLOCK or not, + another required feature of zlib 1.2.x is that inflate() now provides the + number of unused bits in the last input byte used. gzappend will not work + with versions of zlib earlier than 1.2.1. + + gzappend first decompresses the gzip file internally, discarding all but + the last 32K of uncompressed data, and noting the location of the last block + bit and the number of unused bits in the last byte of the compressed data. + The gzip trailer containing the CRC-32 and length of the uncompressed data + is verified. This trailer will be later overwritten. + + Then the last block bit is cleared by seeking back in the file and rewriting + the byte that contains it. Seeking forward, the last byte of the compressed + data is saved along with the number of unused bits to initialize deflate. + + A deflate process is initialized, using the last 32K of the uncompressed + data from the gzip file to initialize the dictionary. If the total + uncompressed data was less than 32K, then all of it is used to initialize + the dictionary. The deflate output bit buffer is also initialized with the + last bits from the original deflate stream. From here on, the data to + append is simply compressed using deflate, and written to the gzip file. + When that is complete, the new CRC-32 and uncompressed length are written + as the trailer of the gzip file. + */ + +#include +#include +#include +#include +#include +#include "zlib.h" + +#define local static +#define LGCHUNK 14 +#define CHUNK (1U << LGCHUNK) +#define DSIZE 32768U + +/* print an error message and terminate with extreme prejudice */ +local void bye(char *msg1, char *msg2) +{ + fprintf(stderr, "gzappend error: %s%s\n", msg1, msg2); + exit(1); +} + +/* return the greatest common divisor of a and b using Euclid's algorithm, + modified to be fast when one argument much greater than the other, and + coded to avoid unnecessary swapping */ +local unsigned gcd(unsigned a, unsigned b) +{ + unsigned c; + + while (a && b) + if (a > b) { + c = b; + while (a - c >= c) + c <<= 1; + a -= c; + } + else { + c = a; + while (b - c >= c) + c <<= 1; + b -= c; + } + return a + b; +} + +/* rotate list[0..len-1] left by rot positions, in place */ +local void rotate(unsigned char *list, unsigned len, unsigned rot) +{ + unsigned char tmp; + unsigned cycles; + unsigned char *start, *last, *to, *from; + + /* normalize rot and handle degenerate cases */ + if (len < 2) return; + if (rot >= len) rot %= len; + if (rot == 0) return; + + /* pointer to last entry in list */ + last = list + (len - 1); + + /* do simple left shift by one */ + if (rot == 1) { + tmp = *list; + memmove(list, list + 1, len - 1); + *last = tmp; + return; + } + + /* do simple right shift by one */ + if (rot == len - 1) { + tmp = *last; + memmove(list + 1, list, len - 1); + *list = tmp; + return; + } + + /* otherwise do rotate as a set of cycles in place */ + cycles = gcd(len, rot); /* number of cycles */ + do { + start = from = list + cycles; /* start index is arbitrary */ + tmp = *from; /* save entry to be overwritten */ + for (;;) { + to = from; /* next step in cycle */ + from += rot; /* go right rot positions */ + if (from > last) from -= len; /* (pointer better not wrap) */ + if (from == start) break; /* all but one shifted */ + *to = *from; /* shift left */ + } + *to = tmp; /* complete the circle */ + } while (--cycles); +} + +/* structure for gzip file read operations */ +typedef struct { + int fd; /* file descriptor */ + int size; /* 1 << size is bytes in buf */ + unsigned left; /* bytes available at next */ + unsigned char *buf; /* buffer */ + z_const unsigned char *next; /* next byte in buffer */ + char *name; /* file name for error messages */ +} file; + +/* reload buffer */ +local int readin(file *in) +{ + int len; + + len = read(in->fd, in->buf, 1 << in->size); + if (len == -1) bye("error reading ", in->name); + in->left = (unsigned)len; + in->next = in->buf; + return len; +} + +/* read from file in, exit if end-of-file */ +local int readmore(file *in) +{ + if (readin(in) == 0) bye("unexpected end of ", in->name); + return 0; +} + +#define read1(in) (in->left == 0 ? readmore(in) : 0, \ + in->left--, *(in->next)++) + +/* skip over n bytes of in */ +local void skip(file *in, unsigned n) +{ + unsigned bypass; + + if (n > in->left) { + n -= in->left; + bypass = n & ~((1U << in->size) - 1); + if (bypass) { + if (lseek(in->fd, (off_t)bypass, SEEK_CUR) == -1) + bye("seeking ", in->name); + n -= bypass; + } + readmore(in); + if (n > in->left) + bye("unexpected end of ", in->name); + } + in->left -= n; + in->next += n; +} + +/* read a four-byte unsigned integer, little-endian, from in */ +unsigned long read4(file *in) +{ + unsigned long val; + + val = read1(in); + val += (unsigned)read1(in) << 8; + val += (unsigned long)read1(in) << 16; + val += (unsigned long)read1(in) << 24; + return val; +} + +/* skip over gzip header */ +local void gzheader(file *in) +{ + int flags; + unsigned n; + + if (read1(in) != 31 || read1(in) != 139) bye(in->name, " not a gzip file"); + if (read1(in) != 8) bye("unknown compression method in", in->name); + flags = read1(in); + if (flags & 0xe0) bye("unknown header flags set in", in->name); + skip(in, 6); + if (flags & 4) { + n = read1(in); + n += (unsigned)(read1(in)) << 8; + skip(in, n); + } + if (flags & 8) while (read1(in) != 0) ; + if (flags & 16) while (read1(in) != 0) ; + if (flags & 2) skip(in, 2); +} + +/* decompress gzip file "name", return strm with a deflate stream ready to + continue compression of the data in the gzip file, and return a file + descriptor pointing to where to write the compressed data -- the deflate + stream is initialized to compress using level "level" */ +local int gzscan(char *name, z_stream *strm, int level) +{ + int ret, lastbit, left, full; + unsigned have; + unsigned long crc, tot; + unsigned char *window; + off_t lastoff, end; + file gz; + + /* open gzip file */ + gz.name = name; + gz.fd = open(name, O_RDWR, 0); + if (gz.fd == -1) bye("cannot open ", name); + gz.buf = malloc(CHUNK); + if (gz.buf == NULL) bye("out of memory", ""); + gz.size = LGCHUNK; + gz.left = 0; + + /* skip gzip header */ + gzheader(&gz); + + /* prepare to decompress */ + window = malloc(DSIZE); + if (window == NULL) bye("out of memory", ""); + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; + strm->opaque = Z_NULL; + ret = inflateInit2(strm, -15); + if (ret != Z_OK) bye("out of memory", " or library mismatch"); + + /* decompress the deflate stream, saving append information */ + lastbit = 0; + lastoff = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; + left = 0; + strm->avail_in = gz.left; + strm->next_in = gz.next; + crc = crc32(0L, Z_NULL, 0); + have = full = 0; + do { + /* if needed, get more input */ + if (strm->avail_in == 0) { + readmore(&gz); + strm->avail_in = gz.left; + strm->next_in = gz.next; + } + + /* set up output to next available section of sliding window */ + strm->avail_out = DSIZE - have; + strm->next_out = window + have; + + /* inflate and check for errors */ + ret = inflate(strm, Z_BLOCK); + if (ret == Z_STREAM_ERROR) bye("internal stream error!", ""); + if (ret == Z_MEM_ERROR) bye("out of memory", ""); + if (ret == Z_DATA_ERROR) + bye("invalid compressed data--format violated in", name); + + /* update crc and sliding window pointer */ + crc = crc32(crc, window + have, DSIZE - have - strm->avail_out); + if (strm->avail_out) + have = DSIZE - strm->avail_out; + else { + have = 0; + full = 1; + } + + /* process end of block */ + if (strm->data_type & 128) { + if (strm->data_type & 64) + left = strm->data_type & 0x1f; + else { + lastbit = strm->data_type & 0x1f; + lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in; + } + } + } while (ret != Z_STREAM_END); + inflateEnd(strm); + gz.left = strm->avail_in; + gz.next = strm->next_in; + + /* save the location of the end of the compressed data */ + end = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; + + /* check gzip trailer and save total for deflate */ + if (crc != read4(&gz)) + bye("invalid compressed data--crc mismatch in ", name); + tot = strm->total_out; + if ((tot & 0xffffffffUL) != read4(&gz)) + bye("invalid compressed data--length mismatch in", name); + + /* if not at end of file, warn */ + if (gz.left || readin(&gz)) + fprintf(stderr, + "gzappend warning: junk at end of gzip file overwritten\n"); + + /* clear last block bit */ + lseek(gz.fd, lastoff - (lastbit != 0), SEEK_SET); + if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); + *gz.buf = (unsigned char)(*gz.buf ^ (1 << ((8 - lastbit) & 7))); + lseek(gz.fd, -1L, SEEK_CUR); + if (write(gz.fd, gz.buf, 1) != 1) bye("writing after seek to ", name); + + /* if window wrapped, build dictionary from window by rotating */ + if (full) { + rotate(window, DSIZE, have); + have = DSIZE; + } + + /* set up deflate stream with window, crc, total_in, and leftover bits */ + ret = deflateInit2(strm, level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); + if (ret != Z_OK) bye("out of memory", ""); + deflateSetDictionary(strm, window, have); + strm->adler = crc; + strm->total_in = tot; + if (left) { + lseek(gz.fd, --end, SEEK_SET); + if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); + deflatePrime(strm, 8 - left, *gz.buf); + } + lseek(gz.fd, end, SEEK_SET); + + /* clean up and return */ + free(window); + free(gz.buf); + return gz.fd; +} + +/* append file "name" to gzip file gd using deflate stream strm -- if last + is true, then finish off the deflate stream at the end */ +local void gztack(char *name, int gd, z_stream *strm, int last) +{ + int fd, len, ret; + unsigned left; + unsigned char *in, *out; + + /* open file to compress and append */ + fd = 0; + if (name != NULL) { + fd = open(name, O_RDONLY, 0); + if (fd == -1) + fprintf(stderr, "gzappend warning: %s not found, skipping ...\n", + name); + } + + /* allocate buffers */ + in = malloc(CHUNK); + out = malloc(CHUNK); + if (in == NULL || out == NULL) bye("out of memory", ""); + + /* compress input file and append to gzip file */ + do { + /* get more input */ + len = read(fd, in, CHUNK); + if (len == -1) { + fprintf(stderr, + "gzappend warning: error reading %s, skipping rest ...\n", + name); + len = 0; + } + strm->avail_in = (unsigned)len; + strm->next_in = in; + if (len) strm->adler = crc32(strm->adler, in, (unsigned)len); + + /* compress and write all available output */ + do { + strm->avail_out = CHUNK; + strm->next_out = out; + ret = deflate(strm, last && len == 0 ? Z_FINISH : Z_NO_FLUSH); + left = CHUNK - strm->avail_out; + while (left) { + len = write(gd, out + CHUNK - strm->avail_out - left, left); + if (len == -1) bye("writing gzip file", ""); + left -= (unsigned)len; + } + } while (strm->avail_out == 0 && ret != Z_STREAM_END); + } while (len != 0); + + /* write trailer after last entry */ + if (last) { + deflateEnd(strm); + out[0] = (unsigned char)(strm->adler); + out[1] = (unsigned char)(strm->adler >> 8); + out[2] = (unsigned char)(strm->adler >> 16); + out[3] = (unsigned char)(strm->adler >> 24); + out[4] = (unsigned char)(strm->total_in); + out[5] = (unsigned char)(strm->total_in >> 8); + out[6] = (unsigned char)(strm->total_in >> 16); + out[7] = (unsigned char)(strm->total_in >> 24); + len = 8; + do { + ret = write(gd, out + 8 - len, len); + if (ret == -1) bye("writing gzip file", ""); + len -= ret; + } while (len); + close(gd); + } + + /* clean up and return */ + free(out); + free(in); + if (fd > 0) close(fd); +} + +/* process the compression level option if present, scan the gzip file, and + append the specified files, or append the data from stdin if no other file + names are provided on the command line -- the gzip file must be writable + and seekable */ +int main(int argc, char **argv) +{ + int gd, level; + z_stream strm; + + /* ignore command name */ + argc--; argv++; + + /* provide usage if no arguments */ + if (*argv == NULL) { + printf( + "gzappend 1.2 (11 Oct 2012) Copyright (C) 2003, 2012 Mark Adler\n" + ); + printf( + "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n"); + return 0; + } + + /* set compression level */ + level = Z_DEFAULT_COMPRESSION; + if (argv[0][0] == '-') { + if (argv[0][1] < '0' || argv[0][1] > '9' || argv[0][2] != 0) + bye("invalid compression level", ""); + level = argv[0][1] - '0'; + if (*++argv == NULL) bye("no gzip file name after options", ""); + } + + /* prepare to append to gzip file */ + gd = gzscan(*argv++, &strm, level); + + /* append files on command line, or from stdin if none */ + if (*argv == NULL) + gztack(NULL, gd, &strm, 1); + else + do { + gztack(*argv, gd, &strm, argv[1] == NULL); + } while (*++argv != NULL); + return 0; +} diff --git a/examples/gzjoin.c b/examples/gzjoin.c new file mode 100644 index 0000000..89e8098 --- /dev/null +++ b/examples/gzjoin.c @@ -0,0 +1,449 @@ +/* gzjoin -- command to join gzip files into one gzip file + + Copyright (C) 2004, 2005, 2012 Mark Adler, all rights reserved + version 1.2, 14 Aug 2012 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* + * Change history: + * + * 1.0 11 Dec 2004 - First version + * 1.1 12 Jun 2005 - Changed ssize_t to long for portability + * 1.2 14 Aug 2012 - Clean up for z_const usage + */ + +/* + gzjoin takes one or more gzip files on the command line and writes out a + single gzip file that will uncompress to the concatenation of the + uncompressed data from the individual gzip files. gzjoin does this without + having to recompress any of the data and without having to calculate a new + crc32 for the concatenated uncompressed data. gzjoin does however have to + decompress all of the input data in order to find the bits in the compressed + data that need to be modified to concatenate the streams. + + gzjoin does not do an integrity check on the input gzip files other than + checking the gzip header and decompressing the compressed data. They are + otherwise assumed to be complete and correct. + + Each joint between gzip files removes at least 18 bytes of previous trailer + and subsequent header, and inserts an average of about three bytes to the + compressed data in order to connect the streams. The output gzip file + has a minimal ten-byte gzip header with no file name or modification time. + + This program was written to illustrate the use of the Z_BLOCK option of + inflate() and the crc32_combine() function. gzjoin will not compile with + versions of zlib earlier than 1.2.3. + */ + +#include /* fputs(), fprintf(), fwrite(), putc() */ +#include /* exit(), malloc(), free() */ +#include /* open() */ +#include /* close(), read(), lseek() */ +#include "zlib.h" + /* crc32(), crc32_combine(), inflateInit2(), inflate(), inflateEnd() */ + +#define local static + +/* exit with an error (return a value to allow use in an expression) */ +local int bail(char *why1, char *why2) +{ + fprintf(stderr, "gzjoin error: %s%s, output incomplete\n", why1, why2); + exit(1); + return 0; +} + +/* -- simple buffered file input with access to the buffer -- */ + +#define CHUNK 32768 /* must be a power of two and fit in unsigned */ + +/* bin buffered input file type */ +typedef struct { + char *name; /* name of file for error messages */ + int fd; /* file descriptor */ + unsigned left; /* bytes remaining at next */ + unsigned char *next; /* next byte to read */ + unsigned char *buf; /* allocated buffer of length CHUNK */ +} bin; + +/* close a buffered file and free allocated memory */ +local void bclose(bin *in) +{ + if (in != NULL) { + if (in->fd != -1) + close(in->fd); + if (in->buf != NULL) + free(in->buf); + free(in); + } +} + +/* open a buffered file for input, return a pointer to type bin, or NULL on + failure */ +local bin *bopen(char *name) +{ + bin *in; + + in = malloc(sizeof(bin)); + if (in == NULL) + return NULL; + in->buf = malloc(CHUNK); + in->fd = open(name, O_RDONLY, 0); + if (in->buf == NULL || in->fd == -1) { + bclose(in); + return NULL; + } + in->left = 0; + in->next = in->buf; + in->name = name; + return in; +} + +/* load buffer from file, return -1 on read error, 0 or 1 on success, with + 1 indicating that end-of-file was reached */ +local int bload(bin *in) +{ + long len; + + if (in == NULL) + return -1; + if (in->left != 0) + return 0; + in->next = in->buf; + do { + len = (long)read(in->fd, in->buf + in->left, CHUNK - in->left); + if (len < 0) + return -1; + in->left += (unsigned)len; + } while (len != 0 && in->left < CHUNK); + return len == 0 ? 1 : 0; +} + +/* get a byte from the file, bail if end of file */ +#define bget(in) (in->left ? 0 : bload(in), \ + in->left ? (in->left--, *(in->next)++) : \ + bail("unexpected end of file on ", in->name)) + +/* get a four-byte little-endian unsigned integer from file */ +local unsigned long bget4(bin *in) +{ + unsigned long val; + + val = bget(in); + val += (unsigned long)(bget(in)) << 8; + val += (unsigned long)(bget(in)) << 16; + val += (unsigned long)(bget(in)) << 24; + return val; +} + +/* skip bytes in file */ +local void bskip(bin *in, unsigned skip) +{ + /* check pointer */ + if (in == NULL) + return; + + /* easy case -- skip bytes in buffer */ + if (skip <= in->left) { + in->left -= skip; + in->next += skip; + return; + } + + /* skip what's in buffer, discard buffer contents */ + skip -= in->left; + in->left = 0; + + /* seek past multiples of CHUNK bytes */ + if (skip > CHUNK) { + unsigned left; + + left = skip & (CHUNK - 1); + if (left == 0) { + /* exact number of chunks: seek all the way minus one byte to check + for end-of-file with a read */ + lseek(in->fd, skip - 1, SEEK_CUR); + if (read(in->fd, in->buf, 1) != 1) + bail("unexpected end of file on ", in->name); + return; + } + + /* skip the integral chunks, update skip with remainder */ + lseek(in->fd, skip - left, SEEK_CUR); + skip = left; + } + + /* read more input and skip remainder */ + bload(in); + if (skip > in->left) + bail("unexpected end of file on ", in->name); + in->left -= skip; + in->next += skip; +} + +/* -- end of buffered input functions -- */ + +/* skip the gzip header from file in */ +local void gzhead(bin *in) +{ + int flags; + + /* verify gzip magic header and compression method */ + if (bget(in) != 0x1f || bget(in) != 0x8b || bget(in) != 8) + bail(in->name, " is not a valid gzip file"); + + /* get and verify flags */ + flags = bget(in); + if ((flags & 0xe0) != 0) + bail("unknown reserved bits set in ", in->name); + + /* skip modification time, extra flags, and os */ + bskip(in, 6); + + /* skip extra field if present */ + if (flags & 4) { + unsigned len; + + len = bget(in); + len += (unsigned)(bget(in)) << 8; + bskip(in, len); + } + + /* skip file name if present */ + if (flags & 8) + while (bget(in) != 0) + ; + + /* skip comment if present */ + if (flags & 16) + while (bget(in) != 0) + ; + + /* skip header crc if present */ + if (flags & 2) + bskip(in, 2); +} + +/* write a four-byte little-endian unsigned integer to out */ +local void put4(unsigned long val, FILE *out) +{ + putc(val & 0xff, out); + putc((val >> 8) & 0xff, out); + putc((val >> 16) & 0xff, out); + putc((val >> 24) & 0xff, out); +} + +/* Load up zlib stream from buffered input, bail if end of file */ +local void zpull(z_streamp strm, bin *in) +{ + if (in->left == 0) + bload(in); + if (in->left == 0) + bail("unexpected end of file on ", in->name); + strm->avail_in = in->left; + strm->next_in = in->next; +} + +/* Write header for gzip file to out and initialize trailer. */ +local void gzinit(unsigned long *crc, unsigned long *tot, FILE *out) +{ + fwrite("\x1f\x8b\x08\0\0\0\0\0\0\xff", 1, 10, out); + *crc = crc32(0L, Z_NULL, 0); + *tot = 0; +} + +/* Copy the compressed data from name, zeroing the last block bit of the last + block if clr is true, and adding empty blocks as needed to get to a byte + boundary. If clr is false, then the last block becomes the last block of + the output, and the gzip trailer is written. crc and tot maintains the + crc and length (modulo 2^32) of the output for the trailer. The resulting + gzip file is written to out. gzinit() must be called before the first call + of gzcopy() to write the gzip header and to initialize crc and tot. */ +local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot, + FILE *out) +{ + int ret; /* return value from zlib functions */ + int pos; /* where the "last block" bit is in byte */ + int last; /* true if processing the last block */ + bin *in; /* buffered input file */ + unsigned char *start; /* start of compressed data in buffer */ + unsigned char *junk; /* buffer for uncompressed data -- discarded */ + z_off_t len; /* length of uncompressed data (support > 4 GB) */ + z_stream strm; /* zlib inflate stream */ + + /* open gzip file and skip header */ + in = bopen(name); + if (in == NULL) + bail("could not open ", name); + gzhead(in); + + /* allocate buffer for uncompressed data and initialize raw inflate + stream */ + junk = malloc(CHUNK); + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, -15); + if (junk == NULL || ret != Z_OK) + bail("out of memory", ""); + + /* inflate and copy compressed data, clear last-block bit if requested */ + len = 0; + zpull(&strm, in); + start = in->next; + last = start[0] & 1; + if (last && clr) + start[0] &= ~1; + strm.avail_out = 0; + for (;;) { + /* if input used and output done, write used input and get more */ + if (strm.avail_in == 0 && strm.avail_out != 0) { + fwrite(start, 1, strm.next_in - start, out); + start = in->buf; + in->left = 0; + zpull(&strm, in); + } + + /* decompress -- return early when end-of-block reached */ + strm.avail_out = CHUNK; + strm.next_out = junk; + ret = inflate(&strm, Z_BLOCK); + switch (ret) { + case Z_MEM_ERROR: + bail("out of memory", ""); + case Z_DATA_ERROR: + bail("invalid compressed data in ", in->name); + } + + /* update length of uncompressed data */ + len += CHUNK - strm.avail_out; + + /* check for block boundary (only get this when block copied out) */ + if (strm.data_type & 128) { + /* if that was the last block, then done */ + if (last) + break; + + /* number of unused bits in last byte */ + pos = strm.data_type & 7; + + /* find the next last-block bit */ + if (pos != 0) { + /* next last-block bit is in last used byte */ + pos = 0x100 >> pos; + last = strm.next_in[-1] & pos; + if (last && clr) + in->buf[strm.next_in - in->buf - 1] &= ~pos; + } + else { + /* next last-block bit is in next unused byte */ + if (strm.avail_in == 0) { + /* don't have that byte yet -- get it */ + fwrite(start, 1, strm.next_in - start, out); + start = in->buf; + in->left = 0; + zpull(&strm, in); + } + last = strm.next_in[0] & 1; + if (last && clr) + in->buf[strm.next_in - in->buf] &= ~1; + } + } + } + + /* update buffer with unused input */ + in->left = strm.avail_in; + in->next = in->buf + (strm.next_in - in->buf); + + /* copy used input, write empty blocks to get to byte boundary */ + pos = strm.data_type & 7; + fwrite(start, 1, in->next - start - 1, out); + last = in->next[-1]; + if (pos == 0 || !clr) + /* already at byte boundary, or last file: write last byte */ + putc(last, out); + else { + /* append empty blocks to last byte */ + last &= ((0x100 >> pos) - 1); /* assure unused bits are zero */ + if (pos & 1) { + /* odd -- append an empty stored block */ + putc(last, out); + if (pos == 1) + putc(0, out); /* two more bits in block header */ + fwrite("\0\0\xff\xff", 1, 4, out); + } + else { + /* even -- append 1, 2, or 3 empty fixed blocks */ + switch (pos) { + case 6: + putc(last | 8, out); + last = 0; + case 4: + putc(last | 0x20, out); + last = 0; + case 2: + putc(last | 0x80, out); + putc(0, out); + } + } + } + + /* update crc and tot */ + *crc = crc32_combine(*crc, bget4(in), len); + *tot += (unsigned long)len; + + /* clean up */ + inflateEnd(&strm); + free(junk); + bclose(in); + + /* write trailer if this is the last gzip file */ + if (!clr) { + put4(*crc, out); + put4(*tot, out); + } +} + +/* join the gzip files on the command line, write result to stdout */ +int main(int argc, char **argv) +{ + unsigned long crc, tot; /* running crc and total uncompressed length */ + + /* skip command name */ + argc--; + argv++; + + /* show usage if no arguments */ + if (argc == 0) { + fputs("gzjoin usage: gzjoin f1.gz [f2.gz [f3.gz ...]] > fjoin.gz\n", + stderr); + return 0; + } + + /* join gzip files on command line and write to stdout */ + gzinit(&crc, &tot, stdout); + while (argc--) + gzcopy(*argv++, argc, &crc, &tot, stdout); + + /* done */ + return 0; +} diff --git a/examples/gzlog.c b/examples/gzlog.c new file mode 100644 index 0000000..b977802 --- /dev/null +++ b/examples/gzlog.c @@ -0,0 +1,1061 @@ +/* + * gzlog.c + * Copyright (C) 2004, 2008, 2012, 2016, 2019 Mark Adler, all rights reserved + * For conditions of distribution and use, see copyright notice in gzlog.h + * version 2.3, 25 May 2019 + */ + +/* + gzlog provides a mechanism for frequently appending short strings to a gzip + file that is efficient both in execution time and compression ratio. The + strategy is to write the short strings in an uncompressed form to the end of + the gzip file, only compressing when the amount of uncompressed data has + reached a given threshold. + + gzlog also provides protection against interruptions in the process due to + system crashes. The status of the operation is recorded in an extra field + in the gzip file, and is only updated once the gzip file is brought to a + valid state. The last data to be appended or compressed is saved in an + auxiliary file, so that if the operation is interrupted, it can be completed + the next time an append operation is attempted. + + gzlog maintains another auxiliary file with the last 32K of data from the + compressed portion, which is preloaded for the compression of the subsequent + data. This minimizes the impact to the compression ratio of appending. + */ + +/* + Operations Concept: + + Files (log name "foo"): + foo.gz -- gzip file with the complete log + foo.add -- last message to append or last data to compress + foo.dict -- dictionary of the last 32K of data for next compression + foo.temp -- temporary dictionary file for compression after this one + foo.lock -- lock file for reading and writing the other files + foo.repairs -- log file for log file recovery operations (not compressed) + + gzip file structure: + - fixed-length (no file name) header with extra field (see below) + - compressed data ending initially with empty stored block + - uncompressed data filling out originally empty stored block and + subsequent stored blocks as needed (16K max each) + - gzip trailer + - no junk at end (no other gzip streams) + + When appending data, the information in the first three items above plus the + foo.add file are sufficient to recover an interrupted append operation. The + extra field has the necessary information to restore the start of the last + stored block and determine where to append the data in the foo.add file, as + well as the crc and length of the gzip data before the append operation. + + The foo.add file is created before the gzip file is marked for append, and + deleted after the gzip file is marked as complete. So if the append + operation is interrupted, the data to add will still be there. If due to + some external force, the foo.add file gets deleted between when the append + operation was interrupted and when recovery is attempted, the gzip file will + still be restored, but without the appended data. + + When compressing data, the information in the first two items above plus the + foo.add file are sufficient to recover an interrupted compress operation. + The extra field has the necessary information to find the end of the + compressed data, and contains both the crc and length of just the compressed + data and of the complete set of data including the contents of the foo.add + file. + + Again, the foo.add file is maintained during the compress operation in case + of an interruption. If in the unlikely event the foo.add file with the data + to be compressed is missing due to some external force, a gzip file with + just the previous compressed data will be reconstructed. In this case, all + of the data that was to be compressed is lost (approximately one megabyte). + This will not occur if all that happened was an interruption of the compress + operation. + + The third state that is marked is the replacement of the old dictionary with + the new dictionary after a compress operation. Once compression is + complete, the gzip file is marked as being in the replace state. This + completes the gzip file, so an interrupt after being so marked does not + result in recompression. Then the dictionary file is replaced, and the gzip + file is marked as completed. This state prevents the possibility of + restarting compression with the wrong dictionary file. + + All three operations are wrapped by a lock/unlock procedure. In order to + gain exclusive access to the log files, first a foo.lock file must be + exclusively created. When all operations are complete, the lock is + released by deleting the foo.lock file. If when attempting to create the + lock file, it already exists and the modify time of the lock file is more + than five minutes old (set by the PATIENCE define below), then the old + lock file is considered stale and deleted, and the exclusive creation of + the lock file is retried. To assure that there are no false assessments + of the staleness of the lock file, the operations periodically touch the + lock file to update the modified date. + + Following is the definition of the extra field with all of the information + required to enable the above append and compress operations and their + recovery if interrupted. Multi-byte values are stored little endian + (consistent with the gzip format). File pointers are eight bytes long. + The crc's and lengths for the gzip trailer are four bytes long. (Note that + the length at the end of a gzip file is used for error checking only, and + for large files is actually the length modulo 2^32.) The stored block + length is two bytes long. The gzip extra field two-byte identification is + "ap" for append. It is assumed that writing the extra field to the file is + an "atomic" operation. That is, either all of the extra field is written + to the file, or none of it is, if the operation is interrupted right at the + point of updating the extra field. This is a reasonable assumption, since + the extra field is within the first 52 bytes of the file, which is smaller + than any expected block size for a mass storage device (usually 512 bytes or + larger). + + Extra field (35 bytes): + - Pointer to first stored block length -- this points to the two-byte length + of the first stored block, which is followed by the two-byte, one's + complement of that length. The stored block length is preceded by the + three-bit header of the stored block, which is the actual start of the + stored block in the deflate format. See the bit offset field below. + - Pointer to the last stored block length. This is the same as above, but + for the last stored block of the uncompressed data in the gzip file. + Initially this is the same as the first stored block length pointer. + When the stored block gets to 16K (see the MAX_STORE define), then a new + stored block as added, at which point the last stored block length pointer + is different from the first stored block length pointer. When they are + different, the first bit of the last stored block header is eight bits, or + one byte back from the block length. + - Compressed data crc and length. This is the crc and length of the data + that is in the compressed portion of the deflate stream. These are used + only in the event that the foo.add file containing the data to compress is + lost after a compress operation is interrupted. + - Total data crc and length. This is the crc and length of all of the data + stored in the gzip file, compressed and uncompressed. It is used to + reconstruct the gzip trailer when compressing, as well as when recovering + interrupted operations. + - Final stored block length. This is used to quickly find where to append, + and allows the restoration of the original final stored block state when + an append operation is interrupted. + - First stored block start as the number of bits back from the final stored + block first length byte. This value is in the range of 3..10, and is + stored as the low three bits of the final byte of the extra field after + subtracting three (0..7). This allows the last-block bit of the stored + block header to be updated when a new stored block is added, for the case + when the first stored block and the last stored block are the same. (When + they are different, the numbers of bits back is known to be eight.) This + also allows for new compressed data to be appended to the old compressed + data in the compress operation, overwriting the previous first stored + block, or for the compressed data to be terminated and a valid gzip file + reconstructed on the off chance that a compression operation was + interrupted and the data to compress in the foo.add file was deleted. + - The operation in process. This is the next two bits in the last byte (the + bits under the mask 0x18). The are interpreted as 0: nothing in process, + 1: append in process, 2: compress in process, 3: replace in process. + - The top three bits of the last byte in the extra field are reserved and + are currently set to zero. + + Main procedure: + - Exclusively create the foo.lock file using the O_CREAT and O_EXCL modes of + the system open() call. If the modify time of an existing lock file is + more than PATIENCE seconds old, then the lock file is deleted and the + exclusive create is retried. + - Load the extra field from the foo.gz file, and see if an operation was in + progress but not completed. If so, apply the recovery procedure below. + - Perform the append procedure with the provided data. + - If the uncompressed data in the foo.gz file is 1MB or more, apply the + compress procedure. + - Delete the foo.lock file. + + Append procedure: + - Put what to append in the foo.add file so that the operation can be + restarted if this procedure is interrupted. + - Mark the foo.gz extra field with the append operation in progress. + + Restore the original last-block bit and stored block length of the last + stored block from the information in the extra field, in case a previous + append operation was interrupted. + - Append the provided data to the last stored block, creating new stored + blocks as needed and updating the stored blocks last-block bits and + lengths. + - Update the crc and length with the new data, and write the gzip trailer. + - Write over the extra field (with a single write operation) with the new + pointers, lengths, and crc's, and mark the gzip file as not in process. + Though there is still a foo.add file, it will be ignored since nothing + is in process. If a foo.add file is leftover from a previously + completed operation, it is truncated when writing new data to it. + - Delete the foo.add file. + + Compress and replace procedures: + - Read all of the uncompressed data in the stored blocks in foo.gz and write + it to foo.add. Also write foo.temp with the last 32K of that data to + provide a dictionary for the next invocation of this procedure. + - Rewrite the extra field marking foo.gz with a compression in process. + * If there is no data provided to compress (due to a missing foo.add file + when recovering), reconstruct and truncate the foo.gz file to contain + only the previous compressed data and proceed to the step after the next + one. Otherwise ... + - Compress the data with the dictionary in foo.dict, and write to the + foo.gz file starting at the bit immediately following the last previously + compressed block. If there is no foo.dict, proceed anyway with the + compression at slightly reduced efficiency. (For the foo.dict file to be + missing requires some external failure beyond simply the interruption of + a compress operation.) During this process, the foo.lock file is + periodically touched to assure that that file is not considered stale by + another process before we're done. The deflation is terminated with a + non-last empty static block (10 bits long), that is then located and + written over by a last-bit-set empty stored block. + - Append the crc and length of the data in the gzip file (previously + calculated during the append operations). + - Write over the extra field with the updated stored block offsets, bits + back, crc's, and lengths, and mark foo.gz as in process for a replacement + of the dictionary. + @ Delete the foo.add file. + - Replace foo.dict with foo.temp. + - Write over the extra field, marking foo.gz as complete. + + Recovery procedure: + - If not a replace recovery, read in the foo.add file, and provide that data + to the appropriate recovery below. If there is no foo.add file, provide + a zero data length to the recovery. In that case, the append recovery + restores the foo.gz to the previous compressed + uncompressed data state. + For the the compress recovery, a missing foo.add file results in foo.gz + being restored to the previous compressed-only data state. + - Append recovery: + - Pick up append at + step above + - Compress recovery: + - Pick up compress at * step above + - Replace recovery: + - Pick up compress at @ step above + - Log the repair with a date stamp in foo.repairs + */ + +#include +#include /* rename, fopen, fprintf, fclose */ +#include /* malloc, free */ +#include /* strlen, strrchr, strcpy, strncpy, strcmp */ +#include /* open */ +#include /* lseek, read, write, close, unlink, sleep, */ + /* ftruncate, fsync */ +#include /* errno */ +#include /* time, ctime */ +#include /* stat */ +#include /* utimes */ +#include "zlib.h" /* crc32 */ + +#include "gzlog.h" /* header for external access */ + +#define local static +typedef unsigned int uint; +typedef unsigned long ulong; + +/* Macro for debugging to deterministically force recovery operations */ +#ifdef GZLOG_DEBUG + #include /* longjmp */ + jmp_buf gzlog_jump; /* where to go back to */ + int gzlog_bail = 0; /* which point to bail at (1..8) */ + int gzlog_count = -1; /* number of times through to wait */ +# define BAIL(n) do { if (n == gzlog_bail && gzlog_count-- == 0) \ + longjmp(gzlog_jump, gzlog_bail); } while (0) +#else +# define BAIL(n) +#endif + +/* how old the lock file can be in seconds before considering it stale */ +#define PATIENCE 300 + +/* maximum stored block size in Kbytes -- must be in 1..63 */ +#define MAX_STORE 16 + +/* number of stored Kbytes to trigger compression (must be >= 32 to allow + dictionary construction, and <= 204 * MAX_STORE, in order for >> 10 to + discard the stored block headers contribution of five bytes each) */ +#define TRIGGER 1024 + +/* size of a deflate dictionary (this cannot be changed) */ +#define DICT 32768U + +/* values for the operation (2 bits) */ +#define NO_OP 0 +#define APPEND_OP 1 +#define COMPRESS_OP 2 +#define REPLACE_OP 3 + +/* macros to extract little-endian integers from an unsigned byte buffer */ +#define PULL2(p) ((p)[0]+((uint)((p)[1])<<8)) +#define PULL4(p) (PULL2(p)+((ulong)PULL2(p+2)<<16)) +#define PULL8(p) (PULL4(p)+((off_t)PULL4(p+4)<<32)) + +/* macros to store integers into a byte buffer in little-endian order */ +#define PUT2(p,a) do {(p)[0]=a;(p)[1]=(a)>>8;} while(0) +#define PUT4(p,a) do {PUT2(p,a);PUT2(p+2,a>>16);} while(0) +#define PUT8(p,a) do {PUT4(p,a);PUT4(p+4,a>>32);} while(0) + +/* internal structure for log information */ +#define LOGID "\106\035\172" /* should be three non-zero characters */ +struct log { + char id[4]; /* contains LOGID to detect inadvertent overwrites */ + int fd; /* file descriptor for .gz file, opened read/write */ + char *path; /* allocated path, e.g. "/var/log/foo" or "foo" */ + char *end; /* end of path, for appending suffices such as ".gz" */ + off_t first; /* offset of first stored block first length byte */ + int back; /* location of first block id in bits back from first */ + uint stored; /* bytes currently in last stored block */ + off_t last; /* offset of last stored block first length byte */ + ulong ccrc; /* crc of compressed data */ + ulong clen; /* length (modulo 2^32) of compressed data */ + ulong tcrc; /* crc of total data */ + ulong tlen; /* length (modulo 2^32) of total data */ + time_t lock; /* last modify time of our lock file */ +}; + +/* gzip header for gzlog */ +local unsigned char log_gzhead[] = { + 0x1f, 0x8b, /* magic gzip id */ + 8, /* compression method is deflate */ + 4, /* there is an extra field (no file name) */ + 0, 0, 0, 0, /* no modification time provided */ + 0, 0xff, /* no extra flags, no OS specified */ + 39, 0, 'a', 'p', 35, 0 /* extra field with "ap" subfield */ + /* 35 is EXTRA, 39 is EXTRA + 4 */ +}; + +#define HEAD sizeof(log_gzhead) /* should be 16 */ + +/* initial gzip extra field content (52 == HEAD + EXTRA + 1) */ +local unsigned char log_gzext[] = { + 52, 0, 0, 0, 0, 0, 0, 0, /* offset of first stored block length */ + 52, 0, 0, 0, 0, 0, 0, 0, /* offset of last stored block length */ + 0, 0, 0, 0, 0, 0, 0, 0, /* compressed data crc and length */ + 0, 0, 0, 0, 0, 0, 0, 0, /* total data crc and length */ + 0, 0, /* final stored block data length */ + 5 /* op is NO_OP, last bit 8 bits back */ +}; + +#define EXTRA sizeof(log_gzext) /* should be 35 */ + +/* initial gzip data and trailer */ +local unsigned char log_gzbody[] = { + 1, 0, 0, 0xff, 0xff, /* empty stored block (last) */ + 0, 0, 0, 0, /* crc */ + 0, 0, 0, 0 /* uncompressed length */ +}; + +#define BODY sizeof(log_gzbody) + +/* Exclusively create foo.lock in order to negotiate exclusive access to the + foo.* files. If the modify time of an existing lock file is greater than + PATIENCE seconds in the past, then consider the lock file to have been + abandoned, delete it, and try the exclusive create again. Save the lock + file modify time for verification of ownership. Return 0 on success, or -1 + on failure, usually due to an access restriction or invalid path. Note that + if stat() or unlink() fails, it may be due to another process noticing the + abandoned lock file a smidge sooner and deleting it, so those are not + flagged as an error. */ +local int log_lock(struct log *log) +{ + int fd; + struct stat st; + + strcpy(log->end, ".lock"); + while ((fd = open(log->path, O_CREAT | O_EXCL, 0644)) < 0) { + if (errno != EEXIST) + return -1; + if (stat(log->path, &st) == 0 && time(NULL) - st.st_mtime > PATIENCE) { + unlink(log->path); + continue; + } + sleep(2); /* relinquish the CPU for two seconds while waiting */ + } + close(fd); + if (stat(log->path, &st) == 0) + log->lock = st.st_mtime; + return 0; +} + +/* Update the modify time of the lock file to now, in order to prevent another + task from thinking that the lock is stale. Save the lock file modify time + for verification of ownership. */ +local void log_touch(struct log *log) +{ + struct stat st; + + strcpy(log->end, ".lock"); + utimes(log->path, NULL); + if (stat(log->path, &st) == 0) + log->lock = st.st_mtime; +} + +/* Check the log file modify time against what is expected. Return true if + this is not our lock. If it is our lock, touch it to keep it. */ +local int log_check(struct log *log) +{ + struct stat st; + + strcpy(log->end, ".lock"); + if (stat(log->path, &st) || st.st_mtime != log->lock) + return 1; + log_touch(log); + return 0; +} + +/* Unlock a previously acquired lock, but only if it's ours. */ +local void log_unlock(struct log *log) +{ + if (log_check(log)) + return; + strcpy(log->end, ".lock"); + unlink(log->path); + log->lock = 0; +} + +/* Check the gzip header and read in the extra field, filling in the values in + the log structure. Return op on success or -1 if the gzip header was not as + expected. op is the current operation in progress last written to the extra + field. This assumes that the gzip file has already been opened, with the + file descriptor log->fd. */ +local int log_head(struct log *log) +{ + int op; + unsigned char buf[HEAD + EXTRA]; + + if (lseek(log->fd, 0, SEEK_SET) < 0 || + read(log->fd, buf, HEAD + EXTRA) != HEAD + EXTRA || + memcmp(buf, log_gzhead, HEAD)) { + return -1; + } + log->first = PULL8(buf + HEAD); + log->last = PULL8(buf + HEAD + 8); + log->ccrc = PULL4(buf + HEAD + 16); + log->clen = PULL4(buf + HEAD + 20); + log->tcrc = PULL4(buf + HEAD + 24); + log->tlen = PULL4(buf + HEAD + 28); + log->stored = PULL2(buf + HEAD + 32); + log->back = 3 + (buf[HEAD + 34] & 7); + op = (buf[HEAD + 34] >> 3) & 3; + return op; +} + +/* Write over the extra field contents, marking the operation as op. Use fsync + to assure that the device is written to, and in the requested order. This + operation, and only this operation, is assumed to be atomic in order to + assure that the log is recoverable in the event of an interruption at any + point in the process. Return -1 if the write to foo.gz failed. */ +local int log_mark(struct log *log, int op) +{ + int ret; + unsigned char ext[EXTRA]; + + PUT8(ext, log->first); + PUT8(ext + 8, log->last); + PUT4(ext + 16, log->ccrc); + PUT4(ext + 20, log->clen); + PUT4(ext + 24, log->tcrc); + PUT4(ext + 28, log->tlen); + PUT2(ext + 32, log->stored); + ext[34] = log->back - 3 + (op << 3); + fsync(log->fd); + ret = lseek(log->fd, HEAD, SEEK_SET) < 0 || + write(log->fd, ext, EXTRA) != EXTRA ? -1 : 0; + fsync(log->fd); + return ret; +} + +/* Rewrite the last block header bits and subsequent zero bits to get to a byte + boundary, setting the last block bit if last is true, and then write the + remainder of the stored block header (length and one's complement). Leave + the file pointer after the end of the last stored block data. Return -1 if + there is a read or write failure on the foo.gz file */ +local int log_last(struct log *log, int last) +{ + int back, len, mask; + unsigned char buf[6]; + + /* determine the locations of the bytes and bits to modify */ + back = log->last == log->first ? log->back : 8; + len = back > 8 ? 2 : 1; /* bytes back from log->last */ + mask = 0x80 >> ((back - 1) & 7); /* mask for block last-bit */ + + /* get the byte to modify (one or two back) into buf[0] -- don't need to + read the byte if the last-bit is eight bits back, since in that case + the entire byte will be modified */ + buf[0] = 0; + if (back != 8 && (lseek(log->fd, log->last - len, SEEK_SET) < 0 || + read(log->fd, buf, 1) != 1)) + return -1; + + /* change the last-bit of the last stored block as requested -- note + that all bits above the last-bit are set to zero, per the type bits + of a stored block being 00 and per the convention that the bits to + bring the stream to a byte boundary are also zeros */ + buf[1] = 0; + buf[2 - len] = (*buf & (mask - 1)) + (last ? mask : 0); + + /* write the modified stored block header and lengths, move the file + pointer to after the last stored block data */ + PUT2(buf + 2, log->stored); + PUT2(buf + 4, log->stored ^ 0xffff); + return lseek(log->fd, log->last - len, SEEK_SET) < 0 || + write(log->fd, buf + 2 - len, len + 4) != len + 4 || + lseek(log->fd, log->stored, SEEK_CUR) < 0 ? -1 : 0; +} + +/* Append len bytes from data to the locked and open log file. len may be zero + if recovering and no .add file was found. In that case, the previous state + of the foo.gz file is restored. The data is appended uncompressed in + deflate stored blocks. Return -1 if there was an error reading or writing + the foo.gz file. */ +local int log_append(struct log *log, unsigned char *data, size_t len) +{ + uint put; + off_t end; + unsigned char buf[8]; + + /* set the last block last-bit and length, in case recovering an + interrupted append, then position the file pointer to append to the + block */ + if (log_last(log, 1)) + return -1; + + /* append, adding stored blocks and updating the offset of the last stored + block as needed, and update the total crc and length */ + while (len) { + /* append as much as we can to the last block */ + put = (MAX_STORE << 10) - log->stored; + if (put > len) + put = (uint)len; + if (put) { + if (write(log->fd, data, put) != put) + return -1; + BAIL(1); + log->tcrc = crc32(log->tcrc, data, put); + log->tlen += put; + log->stored += put; + data += put; + len -= put; + } + + /* if we need to, add a new empty stored block */ + if (len) { + /* mark current block as not last */ + if (log_last(log, 0)) + return -1; + + /* point to new, empty stored block */ + log->last += 4 + log->stored + 1; + log->stored = 0; + } + + /* mark last block as last, update its length */ + if (log_last(log, 1)) + return -1; + BAIL(2); + } + + /* write the new crc and length trailer, and truncate just in case (could + be recovering from partial append with a missing foo.add file) */ + PUT4(buf, log->tcrc); + PUT4(buf + 4, log->tlen); + if (write(log->fd, buf, 8) != 8 || + (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end)) + return -1; + + /* write the extra field, marking the log file as done, delete .add file */ + if (log_mark(log, NO_OP)) + return -1; + strcpy(log->end, ".add"); + unlink(log->path); /* ignore error, since may not exist */ + return 0; +} + +/* Replace the foo.dict file with the foo.temp file. Also delete the foo.add + file, since the compress operation may have been interrupted before that was + done. Returns 1 if memory could not be allocated, or -1 if reading or + writing foo.gz fails, or if the rename fails for some reason other than + foo.temp not existing. foo.temp not existing is a permitted error, since + the replace operation may have been interrupted after the rename is done, + but before foo.gz is marked as complete. */ +local int log_replace(struct log *log) +{ + int ret; + char *dest; + + /* delete foo.add file */ + strcpy(log->end, ".add"); + unlink(log->path); /* ignore error, since may not exist */ + BAIL(3); + + /* rename foo.name to foo.dict, replacing foo.dict if it exists */ + strcpy(log->end, ".dict"); + dest = malloc(strlen(log->path) + 1); + if (dest == NULL) + return -2; + strcpy(dest, log->path); + strcpy(log->end, ".temp"); + ret = rename(log->path, dest); + free(dest); + if (ret && errno != ENOENT) + return -1; + BAIL(4); + + /* mark the foo.gz file as done */ + return log_mark(log, NO_OP); +} + +/* Compress the len bytes at data and append the compressed data to the + foo.gz deflate data immediately after the previous compressed data. This + overwrites the previous uncompressed data, which was stored in foo.add + and is the data provided in data[0..len-1]. If this operation is + interrupted, it picks up at the start of this routine, with the foo.add + file read in again. If there is no data to compress (len == 0), then we + simply terminate the foo.gz file after the previously compressed data, + appending a final empty stored block and the gzip trailer. Return -1 if + reading or writing the log.gz file failed, or -2 if there was a memory + allocation failure. */ +local int log_compress(struct log *log, unsigned char *data, size_t len) +{ + int fd; + uint got, max; + ssize_t dict; + off_t end; + z_stream strm; + unsigned char buf[DICT]; + + /* compress and append compressed data */ + if (len) { + /* set up for deflate, allocating memory */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + if (deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, -15, 8, + Z_DEFAULT_STRATEGY) != Z_OK) + return -2; + + /* read in dictionary (last 32K of data that was compressed) */ + strcpy(log->end, ".dict"); + fd = open(log->path, O_RDONLY, 0); + if (fd >= 0) { + dict = read(fd, buf, DICT); + close(fd); + if (dict < 0) { + deflateEnd(&strm); + return -1; + } + if (dict) + deflateSetDictionary(&strm, buf, (uint)dict); + } + log_touch(log); + + /* prime deflate with last bits of previous block, position write + pointer to write those bits and overwrite what follows */ + if (lseek(log->fd, log->first - (log->back > 8 ? 2 : 1), + SEEK_SET) < 0 || + read(log->fd, buf, 1) != 1 || lseek(log->fd, -1, SEEK_CUR) < 0) { + deflateEnd(&strm); + return -1; + } + deflatePrime(&strm, (8 - log->back) & 7, *buf); + + /* compress, finishing with a partial non-last empty static block */ + strm.next_in = data; + max = (((uint)0 - 1) >> 1) + 1; /* in case int smaller than size_t */ + do { + strm.avail_in = len > max ? max : (uint)len; + len -= strm.avail_in; + do { + strm.avail_out = DICT; + strm.next_out = buf; + deflate(&strm, len ? Z_NO_FLUSH : Z_PARTIAL_FLUSH); + got = DICT - strm.avail_out; + if (got && write(log->fd, buf, got) != got) { + deflateEnd(&strm); + return -1; + } + log_touch(log); + } while (strm.avail_out == 0); + } while (len); + deflateEnd(&strm); + BAIL(5); + + /* find start of empty static block -- scanning backwards the first one + bit is the second bit of the block, if the last byte is zero, then + we know the byte before that has a one in the top bit, since an + empty static block is ten bits long */ + if ((log->first = lseek(log->fd, -1, SEEK_CUR)) < 0 || + read(log->fd, buf, 1) != 1) + return -1; + log->first++; + if (*buf) { + log->back = 1; + while ((*buf & ((uint)1 << (8 - log->back++))) == 0) + ; /* guaranteed to terminate, since *buf != 0 */ + } + else + log->back = 10; + + /* update compressed crc and length */ + log->ccrc = log->tcrc; + log->clen = log->tlen; + } + else { + /* no data to compress -- fix up existing gzip stream */ + log->tcrc = log->ccrc; + log->tlen = log->clen; + } + + /* complete and truncate gzip stream */ + log->last = log->first; + log->stored = 0; + PUT4(buf, log->tcrc); + PUT4(buf + 4, log->tlen); + if (log_last(log, 1) || write(log->fd, buf, 8) != 8 || + (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end)) + return -1; + BAIL(6); + + /* mark as being in the replace operation */ + if (log_mark(log, REPLACE_OP)) + return -1; + + /* execute the replace operation and mark the file as done */ + return log_replace(log); +} + +/* log a repair record to the .repairs file */ +local void log_log(struct log *log, int op, char *record) +{ + time_t now; + FILE *rec; + + now = time(NULL); + strcpy(log->end, ".repairs"); + rec = fopen(log->path, "a"); + if (rec == NULL) + return; + fprintf(rec, "%.24s %s recovery: %s\n", ctime(&now), op == APPEND_OP ? + "append" : (op == COMPRESS_OP ? "compress" : "replace"), record); + fclose(rec); + return; +} + +/* Recover the interrupted operation op. First read foo.add for recovering an + append or compress operation. Return -1 if there was an error reading or + writing foo.gz or reading an existing foo.add, or -2 if there was a memory + allocation failure. */ +local int log_recover(struct log *log, int op) +{ + int fd, ret = 0; + unsigned char *data = NULL; + size_t len = 0; + struct stat st; + + /* log recovery */ + log_log(log, op, "start"); + + /* load foo.add file if expected and present */ + if (op == APPEND_OP || op == COMPRESS_OP) { + strcpy(log->end, ".add"); + if (stat(log->path, &st) == 0 && st.st_size) { + len = (size_t)(st.st_size); + if ((off_t)len != st.st_size || + (data = malloc(st.st_size)) == NULL) { + log_log(log, op, "allocation failure"); + return -2; + } + if ((fd = open(log->path, O_RDONLY, 0)) < 0) { + free(data); + log_log(log, op, ".add file read failure"); + return -1; + } + ret = (size_t)read(fd, data, len) != len; + close(fd); + if (ret) { + free(data); + log_log(log, op, ".add file read failure"); + return -1; + } + log_log(log, op, "loaded .add file"); + } + else + log_log(log, op, "missing .add file!"); + } + + /* recover the interrupted operation */ + switch (op) { + case APPEND_OP: + ret = log_append(log, data, len); + break; + case COMPRESS_OP: + ret = log_compress(log, data, len); + break; + case REPLACE_OP: + ret = log_replace(log); + } + + /* log status */ + log_log(log, op, ret ? "failure" : "complete"); + + /* clean up */ + if (data != NULL) + free(data); + return ret; +} + +/* Close the foo.gz file (if open) and release the lock. */ +local void log_close(struct log *log) +{ + if (log->fd >= 0) + close(log->fd); + log->fd = -1; + log_unlock(log); +} + +/* Open foo.gz, verify the header, and load the extra field contents, after + first creating the foo.lock file to gain exclusive access to the foo.* + files. If foo.gz does not exist or is empty, then write the initial header, + extra, and body content of an empty foo.gz log file. If there is an error + creating the lock file due to access restrictions, or an error reading or + writing the foo.gz file, or if the foo.gz file is not a proper log file for + this object (e.g. not a gzip file or does not contain the expected extra + field), then return true. If there is an error, the lock is released. + Otherwise, the lock is left in place. */ +local int log_open(struct log *log) +{ + int op; + + /* release open file resource if left over -- can occur if lock lost + between gzlog_open() and gzlog_write() */ + if (log->fd >= 0) + close(log->fd); + log->fd = -1; + + /* negotiate exclusive access */ + if (log_lock(log) < 0) + return -1; + + /* open the log file, foo.gz */ + strcpy(log->end, ".gz"); + log->fd = open(log->path, O_RDWR | O_CREAT, 0644); + if (log->fd < 0) { + log_close(log); + return -1; + } + + /* if new, initialize foo.gz with an empty log, delete old dictionary */ + if (lseek(log->fd, 0, SEEK_END) == 0) { + if (write(log->fd, log_gzhead, HEAD) != HEAD || + write(log->fd, log_gzext, EXTRA) != EXTRA || + write(log->fd, log_gzbody, BODY) != BODY) { + log_close(log); + return -1; + } + strcpy(log->end, ".dict"); + unlink(log->path); + } + + /* verify log file and load extra field information */ + if ((op = log_head(log)) < 0) { + log_close(log); + return -1; + } + + /* check for interrupted process and if so, recover */ + if (op != NO_OP && log_recover(log, op)) { + log_close(log); + return -1; + } + + /* touch the lock file to prevent another process from grabbing it */ + log_touch(log); + return 0; +} + +/* See gzlog.h for the description of the external methods below */ +gzlog *gzlog_open(char *path) +{ + size_t n; + struct log *log; + + /* check arguments */ + if (path == NULL || *path == 0) + return NULL; + + /* allocate and initialize log structure */ + log = malloc(sizeof(struct log)); + if (log == NULL) + return NULL; + strcpy(log->id, LOGID); + log->fd = -1; + + /* save path and end of path for name construction */ + n = strlen(path); + log->path = malloc(n + 9); /* allow for ".repairs" */ + if (log->path == NULL) { + free(log); + return NULL; + } + strcpy(log->path, path); + log->end = log->path + n; + + /* gain exclusive access and verify log file -- may perform a + recovery operation if needed */ + if (log_open(log)) { + free(log->path); + free(log); + return NULL; + } + + /* return pointer to log structure */ + return log; +} + +/* gzlog_compress() return values: + 0: all good + -1: file i/o error (usually access issue) + -2: memory allocation failure + -3: invalid log pointer argument */ +int gzlog_compress(gzlog *logd) +{ + int fd, ret; + uint block; + size_t len, next; + unsigned char *data, buf[5]; + struct log *log = logd; + + /* check arguments */ + if (log == NULL || strcmp(log->id, LOGID)) + return -3; + + /* see if we lost the lock -- if so get it again and reload the extra + field information (it probably changed), recover last operation if + necessary */ + if (log_check(log) && log_open(log)) + return -1; + + /* create space for uncompressed data */ + len = ((size_t)(log->last - log->first) & ~(((size_t)1 << 10) - 1)) + + log->stored; + if ((data = malloc(len)) == NULL) + return -2; + + /* do statement here is just a cheap trick for error handling */ + do { + /* read in the uncompressed data */ + if (lseek(log->fd, log->first - 1, SEEK_SET) < 0) + break; + next = 0; + while (next < len) { + if (read(log->fd, buf, 5) != 5) + break; + block = PULL2(buf + 1); + if (next + block > len || + read(log->fd, (char *)data + next, block) != block) + break; + next += block; + } + if (lseek(log->fd, 0, SEEK_CUR) != log->last + 4 + log->stored) + break; + log_touch(log); + + /* write the uncompressed data to the .add file */ + strcpy(log->end, ".add"); + fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd < 0) + break; + ret = (size_t)write(fd, data, len) != len; + if (ret | close(fd)) + break; + log_touch(log); + + /* write the dictionary for the next compress to the .temp file */ + strcpy(log->end, ".temp"); + fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd < 0) + break; + next = DICT > len ? len : DICT; + ret = (size_t)write(fd, (char *)data + len - next, next) != next; + if (ret | close(fd)) + break; + log_touch(log); + + /* roll back to compressed data, mark the compress in progress */ + log->last = log->first; + log->stored = 0; + if (log_mark(log, COMPRESS_OP)) + break; + BAIL(7); + + /* compress and append the data (clears mark) */ + ret = log_compress(log, data, len); + free(data); + return ret; + } while (0); + + /* broke out of do above on i/o error */ + free(data); + return -1; +} + +/* gzlog_write() return values: + 0: all good + -1: file i/o error (usually access issue) + -2: memory allocation failure + -3: invalid log pointer argument */ +int gzlog_write(gzlog *logd, void *data, size_t len) +{ + int fd, ret; + struct log *log = logd; + + /* check arguments */ + if (log == NULL || strcmp(log->id, LOGID)) + return -3; + if (data == NULL || len <= 0) + return 0; + + /* see if we lost the lock -- if so get it again and reload the extra + field information (it probably changed), recover last operation if + necessary */ + if (log_check(log) && log_open(log)) + return -1; + + /* create and write .add file */ + strcpy(log->end, ".add"); + fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd < 0) + return -1; + ret = (size_t)write(fd, data, len) != len; + if (ret | close(fd)) + return -1; + log_touch(log); + + /* mark log file with append in progress */ + if (log_mark(log, APPEND_OP)) + return -1; + BAIL(8); + + /* append data (clears mark) */ + if (log_append(log, data, len)) + return -1; + + /* check to see if it's time to compress -- if not, then done */ + if (((log->last - log->first) >> 10) + (log->stored >> 10) < TRIGGER) + return 0; + + /* time to compress */ + return gzlog_compress(log); +} + +/* gzlog_close() return values: + 0: ok + -3: invalid log pointer argument */ +int gzlog_close(gzlog *logd) +{ + struct log *log = logd; + + /* check arguments */ + if (log == NULL || strcmp(log->id, LOGID)) + return -3; + + /* close the log file and release the lock */ + log_close(log); + + /* free structure and return */ + if (log->path != NULL) + free(log->path); + strcpy(log->id, "bad"); + free(log); + return 0; +} diff --git a/examples/gzlog.h b/examples/gzlog.h new file mode 100644 index 0000000..4f05109 --- /dev/null +++ b/examples/gzlog.h @@ -0,0 +1,91 @@ +/* gzlog.h + Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved + version 2.2, 14 Aug 2012 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* Version History: + 1.0 26 Nov 2004 First version + 2.0 25 Apr 2008 Complete redesign for recovery of interrupted operations + Interface changed slightly in that now path is a prefix + Compression now occurs as needed during gzlog_write() + gzlog_write() now always leaves the log file as valid gzip + 2.1 8 Jul 2012 Fix argument checks in gzlog_compress() and gzlog_write() + 2.2 14 Aug 2012 Clean up signed comparisons + */ + +/* + The gzlog object allows writing short messages to a gzipped log file, + opening the log file locked for small bursts, and then closing it. The log + object works by appending stored (uncompressed) data to the gzip file until + 1 MB has been accumulated. At that time, the stored data is compressed, and + replaces the uncompressed data in the file. The log file is truncated to + its new size at that time. After each write operation, the log file is a + valid gzip file that can decompressed to recover what was written. + + The gzlog operations can be interrupted at any point due to an application or + system crash, and the log file will be recovered the next time the log is + opened with gzlog_open(). + */ + +#ifndef GZLOG_H +#define GZLOG_H + +/* gzlog object type */ +typedef void gzlog; + +/* Open a gzlog object, creating the log file if it does not exist. Return + NULL on error. Note that gzlog_open() could take a while to complete if it + has to wait to verify that a lock is stale (possibly for five minutes), or + if there is significant contention with other instantiations of this object + when locking the resource. path is the prefix of the file names created by + this object. If path is "foo", then the log file will be "foo.gz", and + other auxiliary files will be created and destroyed during the process: + "foo.dict" for a compression dictionary, "foo.temp" for a temporary (next) + dictionary, "foo.add" for data being added or compressed, "foo.lock" for the + lock file, and "foo.repairs" to log recovery operations performed due to + interrupted gzlog operations. A gzlog_open() followed by a gzlog_close() + will recover a previously interrupted operation, if any. */ +gzlog *gzlog_open(char *path); + +/* Write to a gzlog object. Return zero on success, -1 if there is a file i/o + error on any of the gzlog files (this should not happen if gzlog_open() + succeeded, unless the device has run out of space or leftover auxiliary + files have permissions or ownership that prevent their use), -2 if there is + a memory allocation failure, or -3 if the log argument is invalid (e.g. if + it was not created by gzlog_open()). This function will write data to the + file uncompressed, until 1 MB has been accumulated, at which time that data + will be compressed. The log file will be a valid gzip file upon successful + return. */ +int gzlog_write(gzlog *log, void *data, size_t len); + +/* Force compression of any uncompressed data in the log. This should be used + sparingly, if at all. The main application would be when a log file will + not be appended to again. If this is used to compress frequently while + appending, it will both significantly increase the execution time and + reduce the compression ratio. The return codes are the same as for + gzlog_write(). */ +int gzlog_compress(gzlog *log); + +/* Close a gzlog object. Return zero on success, -3 if the log argument is + invalid. The log object is freed, and so cannot be referenced again. */ +int gzlog_close(gzlog *log); + +#endif diff --git a/examples/gznorm.c b/examples/gznorm.c new file mode 100644 index 0000000..68e0a0f --- /dev/null +++ b/examples/gznorm.c @@ -0,0 +1,470 @@ +/* gznorm.c -- normalize a gzip stream + * Copyright (C) 2018 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * Version 1.0 7 Oct 2018 Mark Adler */ + +// gznorm takes a gzip stream, potentially containing multiple members, and +// converts it to a gzip stream with a single member. In addition the gzip +// header is normalized, removing the file name and time stamp, and setting the +// other header contents (XFL, OS) to fixed values. gznorm does not recompress +// the data, so it is fast, but no advantage is gained from the history that +// could be available across member boundaries. + +#include // fread, fwrite, putc, fflush, ferror, fprintf, + // vsnprintf, stdout, stderr, NULL, FILE +#include // malloc, free +#include // strerror +#include // errno +#include // va_list, va_start, va_end +#include "zlib.h" // inflateInit2, inflate, inflateReset, inflateEnd, + // z_stream, z_off_t, crc32_combine, Z_NULL, Z_BLOCK, + // Z_OK, Z_STREAM_END, Z_BUF_ERROR, Z_DATA_ERROR, + // Z_MEM_ERROR + +#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) +# include +# include +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +#define local static + +// printf to an allocated string. Return the string, or NULL if the printf or +// allocation fails. +local char *aprintf(char *fmt, ...) { + // Get the length of the result of the printf. + va_list args; + va_start(args, fmt); + int len = vsnprintf(NULL, 0, fmt, args); + va_end(args); + if (len < 0) + return NULL; + + // Allocate the required space and printf to it. + char *str = malloc(len + 1); + if (str == NULL) + return NULL; + va_start(args, fmt); + vsnprintf(str, len + 1, fmt, args); + va_end(args); + return str; +} + +// Return with an error, putting an allocated error message in *err. Doing an +// inflateEnd() on an already ended state, or one with state set to Z_NULL, is +// permitted. +#define BYE(...) \ + do { \ + inflateEnd(&strm); \ + *err = aprintf(__VA_ARGS__); \ + return 1; \ + } while (0) + +// Chunk size for buffered reads and for decompression. Twice this many bytes +// will be allocated on the stack by gzip_normalize(). Must fit in an unsigned. +#define CHUNK 16384 + +// Read a gzip stream from in and write an equivalent normalized gzip stream to +// out. If given no input, an empty gzip stream will be written. If successful, +// 0 is returned, and *err is set to NULL. On error, 1 is returned, where the +// details of the error are returned in *err, a pointer to an allocated string. +// +// The input may be a stream with multiple gzip members, which is converted to +// a single gzip member on the output. Each gzip member is decompressed at the +// level of deflate blocks. This enables clearing the last-block bit, shifting +// the compressed data to concatenate to the previous member's compressed data, +// which can end at an arbitrary bit boundary, and identifying stored blocks in +// order to resynchronize those to byte boundaries. The deflate compressed data +// is terminated with a 10-bit empty fixed block. If any members on the input +// end with a 10-bit empty fixed block, then that block is excised from the +// stream. This avoids appending empty fixed blocks for every normalization, +// and assures that gzip_normalize applied a second time will not change the +// input. The pad bits after stored block headers and after the final deflate +// block are all forced to zeros. +local int gzip_normalize(FILE *in, FILE *out, char **err) { + // initialize the inflate engine to process a gzip member + z_stream strm; + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + if (inflateInit2(&strm, 15 + 16) != Z_OK) + BYE("out of memory"); + + // State while processing the input gzip stream. + enum { // BETWEEN -> HEAD -> BLOCK -> TAIL -> BETWEEN -> ... + BETWEEN, // between gzip members (must end in this state) + HEAD, // reading a gzip header + BLOCK, // reading deflate blocks + TAIL // reading a gzip trailer + } state = BETWEEN; // current component being processed + unsigned long crc = 0; // accumulated CRC of uncompressed data + unsigned long len = 0; // accumulated length of uncompressed data + unsigned long buf = 0; // deflate stream bit buffer of num bits + int num = 0; // number of bits in buf (at bottom) + + // Write a canonical gzip header (no mod time, file name, comment, extra + // block, or extra flags, and OS is marked as unknown). + fwrite("\x1f\x8b\x08\0\0\0\0\0\0\xff", 1, 10, out); + + // Process the gzip stream from in until reaching the end of the input, + // encountering invalid input, or experiencing an i/o error. + int more; // true if not at the end of the input + do { + // State inside this loop. + unsigned char *put; // next input buffer location to process + int prev; // number of bits from previous block in + // the bit buffer, or -1 if not at the + // start of a block + unsigned long long memb; // uncompressed length of member + size_t tail; // number of trailer bytes read (0..8) + unsigned long part; // accumulated trailer component + + // Get the next chunk of input from in. + unsigned char dat[CHUNK]; + strm.avail_in = fread(dat, 1, CHUNK, in); + if (strm.avail_in == 0) + break; + more = strm.avail_in == CHUNK; + strm.next_in = put = dat; + + // Run that chunk of input through the inflate engine to exhaustion. + do { + // At this point it is assured that strm.avail_in > 0. + + // Inflate until the end of a gzip component (header, deflate + // block, trailer) is reached, or until all of the chunk is + // consumed. The resulting decompressed data is discarded, though + // the total size of the decompressed data in each member is + // tracked, for the calculation of the total CRC. + do { + // inflate and handle any errors + unsigned char scrap[CHUNK]; + strm.avail_out = CHUNK; + strm.next_out = scrap; + int ret = inflate(&strm, Z_BLOCK); + if (ret == Z_MEM_ERROR) + BYE("out of memory"); + if (ret == Z_DATA_ERROR) + BYE("input invalid: %s", strm.msg); + if (ret != Z_OK && ret != Z_BUF_ERROR && ret != Z_STREAM_END) + BYE("internal error"); + + // Update the number of uncompressed bytes generated in this + // member. The actual count (not modulo 2^32) is required to + // correctly compute the total CRC. + unsigned got = CHUNK - strm.avail_out; + memb += got; + if (memb < got) + BYE("overflow error"); + + // Continue to process this chunk until it is consumed, or + // until the end of a component (header, deflate block, or + // trailer) is reached. + } while (strm.avail_out == 0 && (strm.data_type & 0x80) == 0); + + // Since strm.avail_in was > 0 for the inflate call, some input was + // just consumed. It is therefore assured that put < strm.next_in. + + // Disposition the consumed component or part of a component. + switch (state) { + case BETWEEN: + state = HEAD; + // Fall through to HEAD when some or all of the header is + // processed. + + case HEAD: + // Discard the header. + if (strm.data_type & 0x80) { + // End of header reached -- deflate blocks follow. + put = strm.next_in; + prev = num; + memb = 0; + state = BLOCK; + } + break; + + case BLOCK: + // Copy the deflate stream to the output, but with the + // last-block-bit cleared. Re-synchronize stored block + // headers to the output byte boundaries. The bytes at + // put..strm.next_in-1 is the compressed data that has been + // processed and is ready to be copied to the output. + + // At this point, it is assured that new compressed data is + // available, i.e., put < strm.next_in. If prev is -1, then + // that compressed data starts in the middle of a deflate + // block. If prev is not -1, then the bits in the bit + // buffer, possibly combined with the bits in *put, contain + // the three-bit header of the new deflate block. In that + // case, prev is the number of bits from the previous block + // that remain in the bit buffer. Since num is the number + // of bits in the bit buffer, we have that num - prev is + // the number of bits from the new block currently in the + // bit buffer. + + // If strm.data_type & 0xc0 is 0x80, then the last byte of + // the available compressed data includes the last bits of + // the end of a deflate block. In that case, that last byte + // also has strm.data_type & 0x1f bits of the next deflate + // block, in the range 0..7. If strm.data_type & 0xc0 is + // 0xc0, then the last byte of the compressed data is the + // end of the deflate stream, followed by strm.data_type & + // 0x1f pad bits, also in the range 0..7. + + // Set bits to the number of bits not yet consumed from the + // last byte. If we are at the end of the block, bits is + // either the number of bits in the last byte belonging to + // the next block, or the number of pad bits after the + // final block. In either of those cases, bits is in the + // range 0..7. + ; // (required due to C syntax oddity) + int bits = strm.data_type & 0x1f; + + if (prev != -1) { + // We are at the start of a new block. Clear the last + // block bit, and check for special cases. If it is a + // stored block, then emit the header and pad to the + // next byte boundary. If it is a final, empty fixed + // block, then excise it. + + // Some or all of the three header bits for this block + // may already be in the bit buffer. Load any remaining + // header bits into the bit buffer. + if (num - prev < 3) { + buf += (unsigned long)*put++ << num; + num += 8; + } + + // Set last to have a 1 in the position of the last + // block bit in the bit buffer. + unsigned long last = (unsigned long)1 << prev; + + if (((buf >> prev) & 7) == 3) { + // This is a final fixed block. Load at least ten + // bits from this block, including the header, into + // the bit buffer. We already have at least three, + // so at most one more byte needs to be loaded. + if (num - prev < 10) { + if (put == strm.next_in) + // Need to go get and process more input. + // We'll end up back here to finish this. + break; + buf += (unsigned long)*put++ << num; + num += 8; + } + if (((buf >> prev) & 0x3ff) == 3) { + // That final fixed block is empty. Delete it + // to avoid adding an empty block every time a + // gzip stream is normalized. + num = prev; + buf &= last - 1; // zero the pad bits + } + } + else if (((buf >> prev) & 6) == 0) { + // This is a stored block. Flush to the next + // byte boundary after the three-bit header. + num = (prev + 10) & ~7; + buf &= last - 1; // zero the pad bits + } + + // Clear the last block bit. + buf &= ~last; + + // Write out complete bytes in the bit buffer. + while (num >= 8) { + putc(buf, out); + buf >>= 8; + num -= 8; + } + + // If no more bytes left to process, then we have + // consumed the byte that had bits from the next block. + if (put == strm.next_in) + bits = 0; + } + + // We are done handling the deflate block header. Now copy + // all or almost all of the remaining compressed data that + // has been processed so far. Don't copy one byte at the + // end if it contains bits from the next deflate block or + // pad bits at the end of a deflate block. + + // mix is 1 if we are at the end of a deflate block, and if + // some of the bits in the last byte follow this block. mix + // is 0 if we are in the middle of a deflate block, if the + // deflate block ended on a byte boundary, or if all of the + // compressed data processed so far has been consumed. + int mix = (strm.data_type & 0x80) && bits; + + // Copy all of the processed compressed data to the output, + // except for the last byte if it contains bits from the + // next deflate block or pad bits at the end of the deflate + // stream. Copy the data after shifting in num bits from + // buf in front of it, leaving num bits from the end of the + // compressed data in buf when done. + unsigned char *end = strm.next_in - mix; + if (put < end) { + if (num) + // Insert num bits from buf before the data being + // copied. + do { + buf += (unsigned)(*put++) << num; + putc(buf, out); + buf >>= 8; + } while (put < end); + else { + // No shifting needed -- write directly. + fwrite(put, 1, end - put, out); + put = end; + } + } + + // Process the last processed byte if it wasn't written. + if (mix) { + // Load the last byte into the bit buffer. + buf += (unsigned)(*put++) << num; + num += 8; + + if (strm.data_type & 0x40) { + // We are at the end of the deflate stream and + // there are bits pad bits. Discard the pad bits + // and write a byte to the output, if available. + // Leave the num bits left over in buf to prepend + // to the next deflate stream. + num -= bits; + if (num >= 8) { + putc(buf, out); + num -= 8; + buf >>= 8; + } + + // Force the pad bits in the bit buffer to zeros. + buf &= ((unsigned long)1 << num) - 1; + + // Don't need to set prev here since going to TAIL. + } + else + // At the end of an internal deflate block. Leave + // the last byte in the bit buffer to examine on + // the next entry to BLOCK, when more bits from the + // next block will be available. + prev = num - bits; // number of bits in buffer + // from current block + } + + // Don't have a byte left over, so we are in the middle of + // a deflate block, or the deflate block ended on a byte + // boundary. Set prev appropriately for the next entry into + // BLOCK. + else if (strm.data_type & 0x80) + // The block ended on a byte boundary, so no header + // bits are in the bit buffer. + prev = num; + else + // In the middle of a deflate block, so no header here. + prev = -1; + + // Check for the end of the deflate stream. + if ((strm.data_type & 0xc0) == 0xc0) { + // That ends the deflate stream on the input side, the + // pad bits were discarded, and any remaining bits from + // the last block in the stream are saved in the bit + // buffer to prepend to the next stream. Process the + // gzip trailer next. + tail = 0; + part = 0; + state = TAIL; + } + break; + + case TAIL: + // Accumulate available trailer bytes to update the total + // CRC and the total uncompressed length. + do { + part = (part >> 8) + ((unsigned long)(*put++) << 24); + tail++; + if (tail == 4) { + // Update the total CRC. + z_off_t len2 = memb; + if (len2 < 0 || (unsigned long long)len2 != memb) + BYE("overflow error"); + crc = crc ? crc32_combine(crc, part, len2) : part; + part = 0; + } + else if (tail == 8) { + // Update the total uncompressed length. (It's ok + // if this sum is done modulo 2^32.) + len += part; + + // At the end of a member. Set up to inflate an + // immediately following gzip member. (If we made + // it this far, then the trailer was valid.) + if (inflateReset(&strm) != Z_OK) + BYE("internal error"); + state = BETWEEN; + break; + } + } while (put < strm.next_in); + break; + } + + // Process the input buffer until completely consumed. + } while (strm.avail_in > 0); + + // Process input until end of file, invalid input, or i/o error. + } while (more); + + // Done with the inflate engine. + inflateEnd(&strm); + + // Verify the validity of the input. + if (state != BETWEEN) + BYE("input invalid: incomplete gzip stream"); + + // Write the remaining deflate stream bits, followed by a terminating + // deflate fixed block. + buf += (unsigned long)3 << num; + putc(buf, out); + putc(buf >> 8, out); + if (num > 6) + putc(0, out); + + // Write the gzip trailer, which is the CRC and the uncompressed length + // modulo 2^32, both in little-endian order. + putc(crc, out); + putc(crc >> 8, out); + putc(crc >> 16, out); + putc(crc >> 24, out); + putc(len, out); + putc(len >> 8, out); + putc(len >> 16, out); + putc(len >> 24, out); + fflush(out); + + // Check for any i/o errors. + if (ferror(in) || ferror(out)) + BYE("i/o error: %s", strerror(errno)); + + // All good! + *err = NULL; + return 0; +} + +// Normalize the gzip stream on stdin, writing the result to stdout. +int main(void) { + // Avoid end-of-line conversions on evil operating systems. + SET_BINARY_MODE(stdin); + SET_BINARY_MODE(stdout); + + // Normalize from stdin to stdout, returning 1 on error, 0 if ok. + char *err; + int ret = gzip_normalize(stdin, stdout, &err); + if (ret) + fprintf(stderr, "gznorm error: %s\n", err); + free(err); + return ret; +} diff --git a/examples/zlib_how.html b/examples/zlib_how.html new file mode 100644 index 0000000..444ff1c --- /dev/null +++ b/examples/zlib_how.html @@ -0,0 +1,545 @@ + + + + +zlib Usage Example + + + +

zlib Usage Example

+We often get questions about how the deflate() and inflate() functions should be used. +Users wonder when they should provide more input, when they should use more output, +what to do with a Z_BUF_ERROR, how to make sure the process terminates properly, and +so on. So for those who have read zlib.h (a few times), and +would like further edification, below is an annotated example in C of simple routines to compress and decompress +from an input file to an output file using deflate() and inflate() respectively. The +annotations are interspersed between lines of the code. So please read between the lines. +We hope this helps explain some of the intricacies of zlib. +

+Without further adieu, here is the program zpipe.c: +


+/* zpipe.c: example of proper use of zlib's inflate() and deflate()
+   Not copyrighted -- provided to the public domain
+   Version 1.4  11 December 2005  Mark Adler */
+
+/* Version history:
+   1.0  30 Oct 2004  First version
+   1.1   8 Nov 2004  Add void casting for unused return values
+                     Use switch statement for inflate() return values
+   1.2   9 Nov 2004  Add assertions to document zlib guarantees
+   1.3   6 Apr 2005  Remove incorrect assertion in inf()
+   1.4  11 Dec 2005  Add hack to avoid MSDOS end-of-line conversions
+                     Avoid some compiler warnings for input and output buffers
+ */
+
+We now include the header files for the required definitions. From +stdio.h we use fopen(), fread(), fwrite(), +feof(), ferror(), and fclose() for file i/o, and +fputs() for error messages. From string.h we use +strcmp() for command line argument processing. +From assert.h we use the assert() macro. +From zlib.h +we use the basic compression functions deflateInit(), +deflate(), and deflateEnd(), and the basic decompression +functions inflateInit(), inflate(), and +inflateEnd(). +

+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "zlib.h"
+
+This is an ugly hack required to avoid corruption of the input and output data on +Windows/MS-DOS systems. Without this, those systems would assume that the input and output +files are text, and try to convert the end-of-line characters from one standard to +another. That would corrupt binary data, and in particular would render the compressed data unusable. +This sets the input and output to binary which suppresses the end-of-line conversions. +SET_BINARY_MODE() will be used later on stdin and stdout, at the beginning of main(). +

+#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
+#  include <fcntl.h>
+#  include <io.h>
+#  define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
+#else
+#  define SET_BINARY_MODE(file)
+#endif
+
+CHUNK is simply the buffer size for feeding data to and pulling data +from the zlib routines. Larger buffer sizes would be more efficient, +especially for inflate(). If the memory is available, buffers sizes +on the order of 128K or 256K bytes should be used. +

+#define CHUNK 16384
+
+The def() routine compresses data from an input file to an output file. The output data +will be in the zlib format, which is different from the gzip or zip +formats. The zlib format has a very small header of only two bytes to identify it as +a zlib stream and to provide decoding information, and a four-byte trailer with a fast +check value to verify the integrity of the uncompressed data after decoding. +

+/* Compress from file source to file dest until EOF on source.
+   def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
+   allocated for processing, Z_STREAM_ERROR if an invalid compression
+   level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
+   version of the library linked do not match, or Z_ERRNO if there is
+   an error reading or writing the files. */
+int def(FILE *source, FILE *dest, int level)
+{
+
+Here are the local variables for def(). ret will be used for zlib +return codes. flush will keep track of the current flushing state for deflate(), +which is either no flushing, or flush to completion after the end of the input file is reached. +have is the amount of data returned from deflate(). The strm structure +is used to pass information to and from the zlib routines, and to maintain the +deflate() state. in and out are the input and output buffers for +deflate(). +

+    int ret, flush;
+    unsigned have;
+    z_stream strm;
+    unsigned char in[CHUNK];
+    unsigned char out[CHUNK];
+
+The first thing we do is to initialize the zlib state for compression using +deflateInit(). This must be done before the first use of deflate(). +The zalloc, zfree, and opaque fields in the strm +structure must be initialized before calling deflateInit(). Here they are +set to the zlib constant Z_NULL to request that zlib use +the default memory allocation routines. An application may also choose to provide +custom memory allocation routines here. deflateInit() will allocate on the +order of 256K bytes for the internal state. +(See zlib Technical Details.) +

+deflateInit() is called with a pointer to the structure to be initialized and +the compression level, which is an integer in the range of -1 to 9. Lower compression +levels result in faster execution, but less compression. Higher levels result in +greater compression, but slower execution. The zlib constant Z_DEFAULT_COMPRESSION, +equal to -1, +provides a good compromise between compression and speed and is equivalent to level 6. +Level 0 actually does no compression at all, and in fact expands the data slightly to produce +the zlib format (it is not a byte-for-byte copy of the input). +More advanced applications of zlib +may use deflateInit2() here instead. Such an application may want to reduce how +much memory will be used, at some price in compression. Or it may need to request a +gzip header and trailer instead of a zlib header and trailer, or raw +encoding with no header or trailer at all. +

+We must check the return value of deflateInit() against the zlib constant +Z_OK to make sure that it was able to +allocate memory for the internal state, and that the provided arguments were valid. +deflateInit() will also check that the version of zlib that the zlib.h +file came from matches the version of zlib actually linked with the program. This +is especially important for environments in which zlib is a shared library. +

+Note that an application can initialize multiple, independent zlib streams, which can +operate in parallel. The state information maintained in the structure allows the zlib +routines to be reentrant. +


+    /* allocate deflate state */
+    strm.zalloc = Z_NULL;
+    strm.zfree = Z_NULL;
+    strm.opaque = Z_NULL;
+    ret = deflateInit(&strm, level);
+    if (ret != Z_OK)
+        return ret;
+
+With the pleasantries out of the way, now we can get down to business. The outer do-loop +reads all of the input file and exits at the bottom of the loop once end-of-file is reached. +This loop contains the only call of deflate(). So we must make sure that all of the +input data has been processed and that all of the output data has been generated and consumed +before we fall out of the loop at the bottom. +

+    /* compress until end of file */
+    do {
+
+We start off by reading data from the input file. The number of bytes read is put directly +into avail_in, and a pointer to those bytes is put into next_in. We also +check to see if end-of-file on the input has been reached. If we are at the end of file, then flush is set to the +zlib constant Z_FINISH, which is later passed to deflate() to +indicate that this is the last chunk of input data to compress. We need to use feof() +to check for end-of-file as opposed to seeing if fewer than CHUNK bytes have been read. The +reason is that if the input file length is an exact multiple of CHUNK, we will miss +the fact that we got to the end-of-file, and not know to tell deflate() to finish +up the compressed stream. If we are not yet at the end of the input, then the zlib +constant Z_NO_FLUSH will be passed to deflate to indicate that we are still +in the middle of the uncompressed data. +

+If there is an error in reading from the input file, the process is aborted with +deflateEnd() being called to free the allocated zlib state before returning +the error. We wouldn't want a memory leak, now would we? deflateEnd() can be called +at any time after the state has been initialized. Once that's done, deflateInit() (or +deflateInit2()) would have to be called to start a new compression process. There is +no point here in checking the deflateEnd() return code. The deallocation can't fail. +


+        strm.avail_in = fread(in, 1, CHUNK, source);
+        if (ferror(source)) {
+            (void)deflateEnd(&strm);
+            return Z_ERRNO;
+        }
+        flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
+        strm.next_in = in;
+
+The inner do-loop passes our chunk of input data to deflate(), and then +keeps calling deflate() until it is done producing output. Once there is no more +new output, deflate() is guaranteed to have consumed all of the input, i.e., +avail_in will be zero. +

+        /* run deflate() on input until output buffer not full, finish
+           compression if all of source has been read in */
+        do {
+
+Output space is provided to deflate() by setting avail_out to the number +of available output bytes and next_out to a pointer to that space. +

+            strm.avail_out = CHUNK;
+            strm.next_out = out;
+
+Now we call the compression engine itself, deflate(). It takes as many of the +avail_in bytes at next_in as it can process, and writes as many as +avail_out bytes to next_out. Those counters and pointers are then +updated past the input data consumed and the output data written. It is the amount of +output space available that may limit how much input is consumed. +Hence the inner loop to make sure that +all of the input is consumed by providing more output space each time. Since avail_in +and next_in are updated by deflate(), we don't have to mess with those +between deflate() calls until it's all used up. +

+The parameters to deflate() are a pointer to the strm structure containing +the input and output information and the internal compression engine state, and a parameter +indicating whether and how to flush data to the output. Normally deflate will consume +several K bytes of input data before producing any output (except for the header), in order +to accumulate statistics on the data for optimum compression. It will then put out a burst of +compressed data, and proceed to consume more input before the next burst. Eventually, +deflate() +must be told to terminate the stream, complete the compression with provided input data, and +write out the trailer check value. deflate() will continue to compress normally as long +as the flush parameter is Z_NO_FLUSH. Once the Z_FINISH parameter is provided, +deflate() will begin to complete the compressed output stream. However depending on how +much output space is provided, deflate() may have to be called several times until it +has provided the complete compressed stream, even after it has consumed all of the input. The flush +parameter must continue to be Z_FINISH for those subsequent calls. +

+There are other values of the flush parameter that are used in more advanced applications. You can +force deflate() to produce a burst of output that encodes all of the input data provided +so far, even if it wouldn't have otherwise, for example to control data latency on a link with +compressed data. You can also ask that deflate() do that as well as erase any history up to +that point so that what follows can be decompressed independently, for example for random access +applications. Both requests will degrade compression by an amount depending on how often such +requests are made. +

+deflate() has a return value that can indicate errors, yet we do not check it here. Why +not? Well, it turns out that deflate() can do no wrong here. Let's go through +deflate()'s return values and dispense with them one by one. The possible values are +Z_OK, Z_STREAM_END, Z_STREAM_ERROR, or Z_BUF_ERROR. Z_OK +is, well, ok. Z_STREAM_END is also ok and will be returned for the last call of +deflate(). This is already guaranteed by calling deflate() with Z_FINISH +until it has no more output. Z_STREAM_ERROR is only possible if the stream is not +initialized properly, but we did initialize it properly. There is no harm in checking for +Z_STREAM_ERROR here, for example to check for the possibility that some +other part of the application inadvertently clobbered the memory containing the zlib state. +Z_BUF_ERROR will be explained further below, but +suffice it to say that this is simply an indication that deflate() could not consume +more input or produce more output. deflate() can be called again with more output space +or more available input, which it will be in this code. +


+            ret = deflate(&strm, flush);    /* no bad return value */
+            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
+
+Now we compute how much output deflate() provided on the last call, which is the +difference between how much space was provided before the call, and how much output space +is still available after the call. Then that data, if any, is written to the output file. +We can then reuse the output buffer for the next call of deflate(). Again if there +is a file i/o error, we call deflateEnd() before returning to avoid a memory leak. +

+            have = CHUNK - strm.avail_out;
+            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
+                (void)deflateEnd(&strm);
+                return Z_ERRNO;
+            }
+
+The inner do-loop is repeated until the last deflate() call fails to fill the +provided output buffer. Then we know that deflate() has done as much as it can with +the provided input, and that all of that input has been consumed. We can then fall out of this +loop and reuse the input buffer. +

+The way we tell that deflate() has no more output is by seeing that it did not fill +the output buffer, leaving avail_out greater than zero. However suppose that +deflate() has no more output, but just so happened to exactly fill the output buffer! +avail_out is zero, and we can't tell that deflate() has done all it can. +As far as we know, deflate() +has more output for us. So we call it again. But now deflate() produces no output +at all, and avail_out remains unchanged as CHUNK. That deflate() call +wasn't able to do anything, either consume input or produce output, and so it returns +Z_BUF_ERROR. (See, I told you I'd cover this later.) However this is not a problem at +all. Now we finally have the desired indication that deflate() is really done, +and so we drop out of the inner loop to provide more input to deflate(). +

+With flush set to Z_FINISH, this final set of deflate() calls will +complete the output stream. Once that is done, subsequent calls of deflate() would return +Z_STREAM_ERROR if the flush parameter is not Z_FINISH, and do no more processing +until the state is reinitialized. +

+Some applications of zlib have two loops that call deflate() +instead of the single inner loop we have here. The first loop would call +without flushing and feed all of the data to deflate(). The second loop would call +deflate() with no more +data and the Z_FINISH parameter to complete the process. As you can see from this +example, that can be avoided by simply keeping track of the current flush state. +


+        } while (strm.avail_out == 0);
+        assert(strm.avail_in == 0);     /* all input will be used */
+
+Now we check to see if we have already processed all of the input file. That information was +saved in the flush variable, so we see if that was set to Z_FINISH. If so, +then we're done and we fall out of the outer loop. We're guaranteed to get Z_STREAM_END +from the last deflate() call, since we ran it until the last chunk of input was +consumed and all of the output was generated. +

+        /* done when last data in file processed */
+    } while (flush != Z_FINISH);
+    assert(ret == Z_STREAM_END);        /* stream will be complete */
+
+The process is complete, but we still need to deallocate the state to avoid a memory leak +(or rather more like a memory hemorrhage if you didn't do this). Then +finally we can return with a happy return value. +

+    /* clean up and return */
+    (void)deflateEnd(&strm);
+    return Z_OK;
+}
+
+Now we do the same thing for decompression in the inf() routine. inf() +decompresses what is hopefully a valid zlib stream from the input file and writes the +uncompressed data to the output file. Much of the discussion above for def() +applies to inf() as well, so the discussion here will focus on the differences between +the two. +

+/* Decompress from file source to file dest until stream ends or EOF.
+   inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
+   allocated for processing, Z_DATA_ERROR if the deflate data is
+   invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
+   the version of the library linked do not match, or Z_ERRNO if there
+   is an error reading or writing the files. */
+int inf(FILE *source, FILE *dest)
+{
+
+The local variables have the same functionality as they do for def(). The +only difference is that there is no flush variable, since inflate() +can tell from the zlib stream itself when the stream is complete. +

+    int ret;
+    unsigned have;
+    z_stream strm;
+    unsigned char in[CHUNK];
+    unsigned char out[CHUNK];
+
+The initialization of the state is the same, except that there is no compression level, +of course, and two more elements of the structure are initialized. avail_in +and next_in must be initialized before calling inflateInit(). This +is because the application has the option to provide the start of the zlib stream in +order for inflateInit() to have access to information about the compression +method to aid in memory allocation. In the current implementation of zlib +(up through versions 1.2.x), the method-dependent memory allocations are deferred to the first call of +inflate() anyway. However those fields must be initialized since later versions +of zlib that provide more compression methods may take advantage of this interface. +In any case, no decompression is performed by inflateInit(), so the +avail_out and next_out fields do not need to be initialized before calling. +

+Here avail_in is set to zero and next_in is set to Z_NULL to +indicate that no input data is being provided. +


+    /* allocate inflate state */
+    strm.zalloc = Z_NULL;
+    strm.zfree = Z_NULL;
+    strm.opaque = Z_NULL;
+    strm.avail_in = 0;
+    strm.next_in = Z_NULL;
+    ret = inflateInit(&strm);
+    if (ret != Z_OK)
+        return ret;
+
+The outer do-loop decompresses input until inflate() indicates +that it has reached the end of the compressed data and has produced all of the uncompressed +output. This is in contrast to def() which processes all of the input file. +If end-of-file is reached before the compressed data self-terminates, then the compressed +data is incomplete and an error is returned. +

+    /* decompress until deflate stream ends or end of file */
+    do {
+
+We read input data and set the strm structure accordingly. If we've reached the +end of the input file, then we leave the outer loop and report an error, since the +compressed data is incomplete. Note that we may read more data than is eventually consumed +by inflate(), if the input file continues past the zlib stream. +For applications where zlib streams are embedded in other data, this routine would +need to be modified to return the unused data, or at least indicate how much of the input +data was not used, so the application would know where to pick up after the zlib stream. +

+        strm.avail_in = fread(in, 1, CHUNK, source);
+        if (ferror(source)) {
+            (void)inflateEnd(&strm);
+            return Z_ERRNO;
+        }
+        if (strm.avail_in == 0)
+            break;
+        strm.next_in = in;
+
+The inner do-loop has the same function it did in def(), which is to +keep calling inflate() until has generated all of the output it can with the +provided input. +

+        /* run inflate() on input until output buffer not full */
+        do {
+
+Just like in def(), the same output space is provided for each call of inflate(). +

+            strm.avail_out = CHUNK;
+            strm.next_out = out;
+
+Now we run the decompression engine itself. There is no need to adjust the flush parameter, since +the zlib format is self-terminating. The main difference here is that there are +return values that we need to pay attention to. Z_DATA_ERROR +indicates that inflate() detected an error in the zlib compressed data format, +which means that either the data is not a zlib stream to begin with, or that the data was +corrupted somewhere along the way since it was compressed. The other error to be processed is +Z_MEM_ERROR, which can occur since memory allocation is deferred until inflate() +needs it, unlike deflate(), whose memory is allocated at the start by deflateInit(). +

+Advanced applications may use +deflateSetDictionary() to prime deflate() with a set of likely data to improve the +first 32K or so of compression. This is noted in the zlib header, so inflate() +requests that that dictionary be provided before it can start to decompress. Without the dictionary, +correct decompression is not possible. For this routine, we have no idea what the dictionary is, +so the Z_NEED_DICT indication is converted to a Z_DATA_ERROR. +

+inflate() can also return Z_STREAM_ERROR, which should not be possible here, +but could be checked for as noted above for def(). Z_BUF_ERROR does not need to be +checked for here, for the same reasons noted for def(). Z_STREAM_END will be +checked for later. +


+            ret = inflate(&strm, Z_NO_FLUSH);
+            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
+            switch (ret) {
+            case Z_NEED_DICT:
+                ret = Z_DATA_ERROR;     /* and fall through */
+            case Z_DATA_ERROR:
+            case Z_MEM_ERROR:
+                (void)inflateEnd(&strm);
+                return ret;
+            }
+
+The output of inflate() is handled identically to that of deflate(). +

+            have = CHUNK - strm.avail_out;
+            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
+                (void)inflateEnd(&strm);
+                return Z_ERRNO;
+            }
+
+The inner do-loop ends when inflate() has no more output as indicated +by not filling the output buffer, just as for deflate(). In this case, we cannot +assert that strm.avail_in will be zero, since the deflate stream may end before the file +does. +

+        } while (strm.avail_out == 0);
+
+The outer do-loop ends when inflate() reports that it has reached the +end of the input zlib stream, has completed the decompression and integrity +check, and has provided all of the output. This is indicated by the inflate() +return value Z_STREAM_END. The inner loop is guaranteed to leave ret +equal to Z_STREAM_END if the last chunk of the input file read contained the end +of the zlib stream. So if the return value is not Z_STREAM_END, the +loop continues to read more input. +

+        /* done when inflate() says it's done */
+    } while (ret != Z_STREAM_END);
+
+At this point, decompression successfully completed, or we broke out of the loop due to no +more data being available from the input file. If the last inflate() return value +is not Z_STREAM_END, then the zlib stream was incomplete and a data error +is returned. Otherwise, we return with a happy return value. Of course, inflateEnd() +is called first to avoid a memory leak. +

+    /* clean up and return */
+    (void)inflateEnd(&strm);
+    return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
+}
+
+That ends the routines that directly use zlib. The following routines make this +a command-line program by running data through the above routines from stdin to +stdout, and handling any errors reported by def() or inf(). +

+zerr() is used to interpret the possible error codes from def() +and inf(), as detailed in their comments above, and print out an error message. +Note that these are only a subset of the possible return values from deflate() +and inflate(). +


+/* report a zlib or i/o error */
+void zerr(int ret)
+{
+    fputs("zpipe: ", stderr);
+    switch (ret) {
+    case Z_ERRNO:
+        if (ferror(stdin))
+            fputs("error reading stdin\n", stderr);
+        if (ferror(stdout))
+            fputs("error writing stdout\n", stderr);
+        break;
+    case Z_STREAM_ERROR:
+        fputs("invalid compression level\n", stderr);
+        break;
+    case Z_DATA_ERROR:
+        fputs("invalid or incomplete deflate data\n", stderr);
+        break;
+    case Z_MEM_ERROR:
+        fputs("out of memory\n", stderr);
+        break;
+    case Z_VERSION_ERROR:
+        fputs("zlib version mismatch!\n", stderr);
+    }
+}
+
+Here is the main() routine used to test def() and inf(). The +zpipe command is simply a compression pipe from stdin to stdout, if +no arguments are given, or it is a decompression pipe if zpipe -d is used. If any other +arguments are provided, no compression or decompression is performed. Instead a usage +message is displayed. Examples are zpipe < foo.txt > foo.txt.z to compress, and +zpipe -d < foo.txt.z > foo.txt to decompress. +

+/* compress or decompress from stdin to stdout */
+int main(int argc, char **argv)
+{
+    int ret;
+
+    /* avoid end-of-line conversions */
+    SET_BINARY_MODE(stdin);
+    SET_BINARY_MODE(stdout);
+
+    /* do compression if no arguments */
+    if (argc == 1) {
+        ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);
+        if (ret != Z_OK)
+            zerr(ret);
+        return ret;
+    }
+
+    /* do decompression if -d specified */
+    else if (argc == 2 && strcmp(argv[1], "-d") == 0) {
+        ret = inf(stdin, stdout);
+        if (ret != Z_OK)
+            zerr(ret);
+        return ret;
+    }
+
+    /* otherwise, report usage */
+    else {
+        fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr);
+        return 1;
+    }
+}
+
+
+Copyright (c) 2004, 2005 by Mark Adler
Last modified 11 December 2005 + + diff --git a/examples/zpipe.c b/examples/zpipe.c new file mode 100644 index 0000000..83535d1 --- /dev/null +++ b/examples/zpipe.c @@ -0,0 +1,205 @@ +/* zpipe.c: example of proper use of zlib's inflate() and deflate() + Not copyrighted -- provided to the public domain + Version 1.4 11 December 2005 Mark Adler */ + +/* Version history: + 1.0 30 Oct 2004 First version + 1.1 8 Nov 2004 Add void casting for unused return values + Use switch statement for inflate() return values + 1.2 9 Nov 2004 Add assertions to document zlib guarantees + 1.3 6 Apr 2005 Remove incorrect assertion in inf() + 1.4 11 Dec 2005 Add hack to avoid MSDOS end-of-line conversions + Avoid some compiler warnings for input and output buffers + */ + +#include +#include +#include +#include "zlib.h" + +#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) +# include +# include +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +#define CHUNK 16384 + +/* Compress from file source to file dest until EOF on source. + def() returns Z_OK on success, Z_MEM_ERROR if memory could not be + allocated for processing, Z_STREAM_ERROR if an invalid compression + level is supplied, Z_VERSION_ERROR if the version of zlib.h and the + version of the library linked do not match, or Z_ERRNO if there is + an error reading or writing the files. */ +int def(FILE *source, FILE *dest, int level) +{ + int ret, flush; + unsigned have; + z_stream strm; + unsigned char in[CHUNK]; + unsigned char out[CHUNK]; + + /* allocate deflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + ret = deflateInit(&strm, level); + if (ret != Z_OK) + return ret; + + /* compress until end of file */ + do { + strm.avail_in = fread(in, 1, CHUNK, source); + if (ferror(source)) { + (void)deflateEnd(&strm); + return Z_ERRNO; + } + flush = feof(source) ? Z_FINISH : Z_NO_FLUSH; + strm.next_in = in; + + /* run deflate() on input until output buffer not full, finish + compression if all of source has been read in */ + do { + strm.avail_out = CHUNK; + strm.next_out = out; + ret = deflate(&strm, flush); /* no bad return value */ + assert(ret != Z_STREAM_ERROR); /* state not clobbered */ + have = CHUNK - strm.avail_out; + if (fwrite(out, 1, have, dest) != have || ferror(dest)) { + (void)deflateEnd(&strm); + return Z_ERRNO; + } + } while (strm.avail_out == 0); + assert(strm.avail_in == 0); /* all input will be used */ + + /* done when last data in file processed */ + } while (flush != Z_FINISH); + assert(ret == Z_STREAM_END); /* stream will be complete */ + + /* clean up and return */ + (void)deflateEnd(&strm); + return Z_OK; +} + +/* Decompress from file source to file dest until stream ends or EOF. + inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be + allocated for processing, Z_DATA_ERROR if the deflate data is + invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and + the version of the library linked do not match, or Z_ERRNO if there + is an error reading or writing the files. */ +int inf(FILE *source, FILE *dest) +{ + int ret; + unsigned have; + z_stream strm; + unsigned char in[CHUNK]; + unsigned char out[CHUNK]; + + /* allocate inflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit(&strm); + if (ret != Z_OK) + return ret; + + /* decompress until deflate stream ends or end of file */ + do { + strm.avail_in = fread(in, 1, CHUNK, source); + if (ferror(source)) { + (void)inflateEnd(&strm); + return Z_ERRNO; + } + if (strm.avail_in == 0) + break; + strm.next_in = in; + + /* run inflate() on input until output buffer not full */ + do { + strm.avail_out = CHUNK; + strm.next_out = out; + ret = inflate(&strm, Z_NO_FLUSH); + assert(ret != Z_STREAM_ERROR); /* state not clobbered */ + switch (ret) { + case Z_NEED_DICT: + ret = Z_DATA_ERROR; /* and fall through */ + case Z_DATA_ERROR: + case Z_MEM_ERROR: + (void)inflateEnd(&strm); + return ret; + } + have = CHUNK - strm.avail_out; + if (fwrite(out, 1, have, dest) != have || ferror(dest)) { + (void)inflateEnd(&strm); + return Z_ERRNO; + } + } while (strm.avail_out == 0); + + /* done when inflate() says it's done */ + } while (ret != Z_STREAM_END); + + /* clean up and return */ + (void)inflateEnd(&strm); + return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR; +} + +/* report a zlib or i/o error */ +void zerr(int ret) +{ + fputs("zpipe: ", stderr); + switch (ret) { + case Z_ERRNO: + if (ferror(stdin)) + fputs("error reading stdin\n", stderr); + if (ferror(stdout)) + fputs("error writing stdout\n", stderr); + break; + case Z_STREAM_ERROR: + fputs("invalid compression level\n", stderr); + break; + case Z_DATA_ERROR: + fputs("invalid or incomplete deflate data\n", stderr); + break; + case Z_MEM_ERROR: + fputs("out of memory\n", stderr); + break; + case Z_VERSION_ERROR: + fputs("zlib version mismatch!\n", stderr); + } +} + +/* compress or decompress from stdin to stdout */ +int main(int argc, char **argv) +{ + int ret; + + /* avoid end-of-line conversions */ + SET_BINARY_MODE(stdin); + SET_BINARY_MODE(stdout); + + /* do compression if no arguments */ + if (argc == 1) { + ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION); + if (ret != Z_OK) + zerr(ret); + return ret; + } + + /* do decompression if -d specified */ + else if (argc == 2 && strcmp(argv[1], "-d") == 0) { + ret = inf(stdin, stdout); + if (ret != Z_OK) + zerr(ret); + return ret; + } + + /* otherwise, report usage */ + else { + fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr); + return 1; + } +} diff --git a/examples/zran.c b/examples/zran.c new file mode 100644 index 0000000..879c47c --- /dev/null +++ b/examples/zran.c @@ -0,0 +1,479 @@ +/* zran.c -- example of zlib/gzip stream indexing and random access + * Copyright (C) 2005, 2012, 2018 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * Version 1.2 14 Oct 2018 Mark Adler */ + +/* Version History: + 1.0 29 May 2005 First version + 1.1 29 Sep 2012 Fix memory reallocation error + 1.2 14 Oct 2018 Handle gzip streams with multiple members + Add a header file to facilitate usage in applications + */ + +/* Illustrate the use of Z_BLOCK, inflatePrime(), and inflateSetDictionary() + for random access of a compressed file. A file containing a zlib or gzip + stream is provided on the command line. The compressed stream is decoded in + its entirety, and an index built with access points about every SPAN bytes + in the uncompressed output. The compressed file is left open, and can then + be read randomly, having to decompress on the average SPAN/2 uncompressed + bytes before getting to the desired block of data. + + An access point can be created at the start of any deflate block, by saving + the starting file offset and bit of that block, and the 32K bytes of + uncompressed data that precede that block. Also the uncompressed offset of + that block is saved to provide a reference for locating a desired starting + point in the uncompressed stream. deflate_index_build() works by + decompressing the input zlib or gzip stream a block at a time, and at the + end of each block deciding if enough uncompressed data has gone by to + justify the creation of a new access point. If so, that point is saved in a + data structure that grows as needed to accommodate the points. + + To use the index, an offset in the uncompressed data is provided, for which + the latest access point at or preceding that offset is located in the index. + The input file is positioned to the specified location in the index, and if + necessary the first few bits of the compressed data is read from the file. + inflate is initialized with those bits and the 32K of uncompressed data, and + the decompression then proceeds until the desired offset in the file is + reached. Then the decompression continues to read the desired uncompressed + data from the file. + + Another approach would be to generate the index on demand. In that case, + requests for random access reads from the compressed data would try to use + the index, but if a read far enough past the end of the index is required, + then further index entries would be generated and added. + + There is some fair bit of overhead to starting inflation for the random + access, mainly copying the 32K byte dictionary. So if small pieces of the + file are being accessed, it would make sense to implement a cache to hold + some lookahead and avoid many calls to deflate_index_extract() for small + lengths. + + Another way to build an index would be to use inflateCopy(). That would + not be constrained to have access points at block boundaries, but requires + more memory per access point, and also cannot be saved to file due to the + use of pointers in the state. The approach here allows for storage of the + index in a file. + */ + +#include +#include +#include +#include "zlib.h" +#include "zran.h" + +#define WINSIZE 32768U /* sliding window size */ +#define CHUNK 16384 /* file input buffer size */ + +/* Access point entry. */ +struct point { + off_t out; /* corresponding offset in uncompressed data */ + off_t in; /* offset in input file of first full byte */ + int bits; /* number of bits (1-7) from byte at in-1, or 0 */ + unsigned char window[WINSIZE]; /* preceding 32K of uncompressed data */ +}; + +/* See comments in zran.h. */ +void deflate_index_free(struct deflate_index *index) +{ + if (index != NULL) { + free(index->list); + free(index); + } +} + +/* Add an entry to the access point list. If out of memory, deallocate the + existing list and return NULL. index->gzip is the allocated size of the + index in point entries, until it is time for deflate_index_build() to + return, at which point gzip is set to indicate a gzip file or not. + */ +static struct deflate_index *addpoint(struct deflate_index *index, int bits, + off_t in, off_t out, unsigned left, + unsigned char *window) +{ + struct point *next; + + /* if list is empty, create it (start with eight points) */ + if (index == NULL) { + index = malloc(sizeof(struct deflate_index)); + if (index == NULL) return NULL; + index->list = malloc(sizeof(struct point) << 3); + if (index->list == NULL) { + free(index); + return NULL; + } + index->gzip = 8; + index->have = 0; + } + + /* if list is full, make it bigger */ + else if (index->have == index->gzip) { + index->gzip <<= 1; + next = realloc(index->list, sizeof(struct point) * index->gzip); + if (next == NULL) { + deflate_index_free(index); + return NULL; + } + index->list = next; + } + + /* fill in entry and increment how many we have */ + next = (struct point *)(index->list) + index->have; + next->bits = bits; + next->in = in; + next->out = out; + if (left) + memcpy(next->window, window + WINSIZE - left, left); + if (left < WINSIZE) + memcpy(next->window + left, window, WINSIZE - left); + index->have++; + + /* return list, possibly reallocated */ + return index; +} + +/* See comments in zran.h. */ +int deflate_index_build(FILE *in, off_t span, struct deflate_index **built) +{ + int ret; + int gzip = 0; /* true if reading a gzip file */ + off_t totin, totout; /* our own total counters to avoid 4GB limit */ + off_t last; /* totout value of last access point */ + struct deflate_index *index; /* access points being generated */ + z_stream strm; + unsigned char input[CHUNK]; + unsigned char window[WINSIZE]; + + /* initialize inflate */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, 47); /* automatic zlib or gzip decoding */ + if (ret != Z_OK) + return ret; + + /* inflate the input, maintain a sliding window, and build an index -- this + also validates the integrity of the compressed data using the check + information in the gzip or zlib stream */ + totin = totout = last = 0; + index = NULL; /* will be allocated by first addpoint() */ + strm.avail_out = 0; + do { + /* get some compressed data from input file */ + strm.avail_in = fread(input, 1, CHUNK, in); + if (ferror(in)) { + ret = Z_ERRNO; + goto deflate_index_build_error; + } + if (strm.avail_in == 0) { + ret = Z_DATA_ERROR; + goto deflate_index_build_error; + } + strm.next_in = input; + + /* check for a gzip stream */ + if (totin == 0 && strm.avail_in >= 3 && + input[0] == 31 && input[1] == 139 && input[2] == 8) + gzip = 1; + + /* process all of that, or until end of stream */ + do { + /* reset sliding window if necessary */ + if (strm.avail_out == 0) { + strm.avail_out = WINSIZE; + strm.next_out = window; + } + + /* inflate until out of input, output, or at end of block -- + update the total input and output counters */ + totin += strm.avail_in; + totout += strm.avail_out; + ret = inflate(&strm, Z_BLOCK); /* return at end of block */ + totin -= strm.avail_in; + totout -= strm.avail_out; + if (ret == Z_NEED_DICT) + ret = Z_DATA_ERROR; + if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) + goto deflate_index_build_error; + if (ret == Z_STREAM_END) { + if (gzip && + (strm.avail_in || ungetc(getc(in), in) != EOF)) { + ret = inflateReset(&strm); + if (ret != Z_OK) + goto deflate_index_build_error; + continue; + } + break; + } + + /* if at end of block, consider adding an index entry (note that if + data_type indicates an end-of-block, then all of the + uncompressed data from that block has been delivered, and none + of the compressed data after that block has been consumed, + except for up to seven bits) -- the totout == 0 provides an + entry point after the zlib or gzip header, and assures that the + index always has at least one access point; we avoid creating an + access point after the last block by checking bit 6 of data_type + */ + if ((strm.data_type & 128) && !(strm.data_type & 64) && + (totout == 0 || totout - last > span)) { + index = addpoint(index, strm.data_type & 7, totin, + totout, strm.avail_out, window); + if (index == NULL) { + ret = Z_MEM_ERROR; + goto deflate_index_build_error; + } + last = totout; + } + } while (strm.avail_in != 0); + } while (ret != Z_STREAM_END); + + /* clean up and return index (release unused entries in list) */ + (void)inflateEnd(&strm); + index->list = realloc(index->list, sizeof(struct point) * index->have); + index->gzip = gzip; + index->length = totout; + *built = index; + return index->have; + + /* return error */ + deflate_index_build_error: + (void)inflateEnd(&strm); + deflate_index_free(index); + return ret; +} + +/* See comments in zran.h. */ +int deflate_index_extract(FILE *in, struct deflate_index *index, off_t offset, + unsigned char *buf, int len) +{ + int ret, skip; + z_stream strm; + struct point *here; + unsigned char input[CHUNK]; + unsigned char discard[WINSIZE]; + + /* proceed only if something reasonable to do */ + if (len < 0) + return 0; + + /* find where in stream to start */ + here = index->list; + ret = index->have; + while (--ret && here[1].out <= offset) + here++; + + /* initialize file and inflate state to start there */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, -15); /* raw inflate */ + if (ret != Z_OK) + return ret; + ret = fseeko(in, here->in - (here->bits ? 1 : 0), SEEK_SET); + if (ret == -1) + goto deflate_index_extract_ret; + if (here->bits) { + ret = getc(in); + if (ret == -1) { + ret = ferror(in) ? Z_ERRNO : Z_DATA_ERROR; + goto deflate_index_extract_ret; + } + (void)inflatePrime(&strm, here->bits, ret >> (8 - here->bits)); + } + (void)inflateSetDictionary(&strm, here->window, WINSIZE); + + /* skip uncompressed bytes until offset reached, then satisfy request */ + offset -= here->out; + strm.avail_in = 0; + skip = 1; /* while skipping to offset */ + do { + /* define where to put uncompressed data, and how much */ + if (offset > WINSIZE) { /* skip WINSIZE bytes */ + strm.avail_out = WINSIZE; + strm.next_out = discard; + offset -= WINSIZE; + } + else if (offset > 0) { /* last skip */ + strm.avail_out = (unsigned)offset; + strm.next_out = discard; + offset = 0; + } + else if (skip) { /* at offset now */ + strm.avail_out = len; + strm.next_out = buf; + skip = 0; /* only do this once */ + } + + /* uncompress until avail_out filled, or end of stream */ + do { + if (strm.avail_in == 0) { + strm.avail_in = fread(input, 1, CHUNK, in); + if (ferror(in)) { + ret = Z_ERRNO; + goto deflate_index_extract_ret; + } + if (strm.avail_in == 0) { + ret = Z_DATA_ERROR; + goto deflate_index_extract_ret; + } + strm.next_in = input; + } + ret = inflate(&strm, Z_NO_FLUSH); /* normal inflate */ + if (ret == Z_NEED_DICT) + ret = Z_DATA_ERROR; + if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) + goto deflate_index_extract_ret; + if (ret == Z_STREAM_END) { + /* the raw deflate stream has ended */ + if (index->gzip == 0) + /* this is a zlib stream that has ended -- done */ + break; + + /* near the end of a gzip member, which might be followed by + another gzip member -- skip the gzip trailer and see if + there is more input after it */ + if (strm.avail_in < 8) { + fseeko(in, 8 - strm.avail_in, SEEK_CUR); + strm.avail_in = 0; + } + else { + strm.avail_in -= 8; + strm.next_in += 8; + } + if (strm.avail_in == 0 && ungetc(getc(in), in) == EOF) + /* the input ended after the gzip trailer -- done */ + break; + + /* there is more input, so another gzip member should follow -- + validate and skip the gzip header */ + ret = inflateReset2(&strm, 31); + if (ret != Z_OK) + goto deflate_index_extract_ret; + do { + if (strm.avail_in == 0) { + strm.avail_in = fread(input, 1, CHUNK, in); + if (ferror(in)) { + ret = Z_ERRNO; + goto deflate_index_extract_ret; + } + if (strm.avail_in == 0) { + ret = Z_DATA_ERROR; + goto deflate_index_extract_ret; + } + strm.next_in = input; + } + ret = inflate(&strm, Z_BLOCK); + if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) + goto deflate_index_extract_ret; + } while ((strm.data_type & 128) == 0); + + /* set up to continue decompression of the raw deflate stream + that follows the gzip header */ + ret = inflateReset2(&strm, -15); + if (ret != Z_OK) + goto deflate_index_extract_ret; + } + + /* continue to process the available input before reading more */ + } while (strm.avail_out != 0); + + if (ret == Z_STREAM_END) + /* reached the end of the compressed data -- return the data that + was available, possibly less than requested */ + break; + + /* do until offset reached and requested data read */ + } while (skip); + + /* compute the number of uncompressed bytes read after the offset */ + ret = skip ? 0 : len - strm.avail_out; + + /* clean up and return the bytes read, or the negative error */ + deflate_index_extract_ret: + (void)inflateEnd(&strm); + return ret; +} + +#ifdef TEST + +#define SPAN 1048576L /* desired distance between access points */ +#define LEN 16384 /* number of bytes to extract */ + +/* Demonstrate the use of deflate_index_build() and deflate_index_extract() by + processing the file provided on the command line, and extracting LEN bytes + from 2/3rds of the way through the uncompressed output, writing that to + stdout. An offset can be provided as the second argument, in which case the + data is extracted from there instead. */ +int main(int argc, char **argv) +{ + int len; + off_t offset = -1; + FILE *in; + struct deflate_index *index = NULL; + unsigned char buf[LEN]; + + /* open input file */ + if (argc < 2 || argc > 3) { + fprintf(stderr, "usage: zran file.gz [offset]\n"); + return 1; + } + in = fopen(argv[1], "rb"); + if (in == NULL) { + fprintf(stderr, "zran: could not open %s for reading\n", argv[1]); + return 1; + } + + /* get optional offset */ + if (argc == 3) { + char *end; + offset = strtoll(argv[2], &end, 10); + if (*end || offset < 0) { + fprintf(stderr, "zran: %s is not a valid offset\n", argv[2]); + return 1; + } + } + + /* build index */ + len = deflate_index_build(in, SPAN, &index); + if (len < 0) { + fclose(in); + switch (len) { + case Z_MEM_ERROR: + fprintf(stderr, "zran: out of memory\n"); + break; + case Z_DATA_ERROR: + fprintf(stderr, "zran: compressed data error in %s\n", argv[1]); + break; + case Z_ERRNO: + fprintf(stderr, "zran: read error on %s\n", argv[1]); + break; + default: + fprintf(stderr, "zran: error %d while building index\n", len); + } + return 1; + } + fprintf(stderr, "zran: built index with %d access points\n", len); + + /* use index by reading some bytes from an arbitrary offset */ + if (offset == -1) + offset = (index->length << 1) / 3; + len = deflate_index_extract(in, index, offset, buf, LEN); + if (len < 0) + fprintf(stderr, "zran: extraction failed: %s error\n", + len == Z_MEM_ERROR ? "out of memory" : "input corrupted"); + else { + fwrite(buf, 1, len, stdout); + fprintf(stderr, "zran: extracted %d bytes at %llu\n", len, offset); + } + + /* clean up and exit */ + deflate_index_free(index); + fclose(in); + return 0; +} + +#endif diff --git a/examples/zran.h b/examples/zran.h new file mode 100644 index 0000000..2314125 --- /dev/null +++ b/examples/zran.h @@ -0,0 +1,40 @@ +/* zran.h -- example of zlib/gzip stream indexing and random access + * Copyright (C) 2005, 2012, 2018 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * Version 1.2 14 Oct 2018 Mark Adler */ + +#include +#include "zlib.h" + +/* Access point list. */ +struct deflate_index { + int have; /* number of list entries */ + int gzip; /* 1 if the index is of a gzip file, 0 if it is of a + zlib stream */ + off_t length; /* total length of uncompressed data */ + void *list; /* allocated list of entries */ +}; + +/* Make one entire pass through a zlib or gzip compressed stream and build an + index, with access points about every span bytes of uncompressed output. + gzip files with multiple members are indexed in their entirety. span should + be chosen to balance the speed of random access against the memory + requirements of the list, about 32K bytes per access point. The return value + is the number of access points on success (>= 1), Z_MEM_ERROR for out of + memory, Z_DATA_ERROR for an error in the input file, or Z_ERRNO for a file + read error. On success, *built points to the resulting index. */ +int deflate_index_build(FILE *in, off_t span, struct deflate_index **built); + +/* Deallocate an index built by deflate_index_build() */ +void deflate_index_free(struct deflate_index *index); + +/* Use the index to read len bytes from offset into buf. Return bytes read or + negative for error (Z_DATA_ERROR or Z_MEM_ERROR). If data is requested past + the end of the uncompressed data, then deflate_index_extract() will return a + value less than len, indicating how much was actually read into buf. This + function should not return a data error unless the file was modified since + the index was generated, since deflate_index_build() validated all of the + input. deflate_index_extract() will return Z_ERRNO if there is an error on + reading or seeking the input file. */ +int deflate_index_extract(FILE *in, struct deflate_index *index, off_t offset, + unsigned char *buf, int len); diff --git a/gzclose.c b/gzclose.c new file mode 100644 index 0000000..caeb99a --- /dev/null +++ b/gzclose.c @@ -0,0 +1,25 @@ +/* gzclose.c -- zlib gzclose() function + * Copyright (C) 2004, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* gzclose() is in a separate file so that it is linked in only if it is used. + That way the other gzclose functions can be used instead to avoid linking in + unneeded compression or decompression routines. */ +int ZEXPORT gzclose(file) + gzFile file; +{ +#ifndef NO_GZCOMPRESS + gz_statep state; + + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file); +#else + return gzclose_r(file); +#endif +} diff --git a/gzguts.h b/gzguts.h new file mode 100644 index 0000000..57faf37 --- /dev/null +++ b/gzguts.h @@ -0,0 +1,219 @@ +/* gzguts.h -- zlib internal header definitions for gz* operations + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#ifdef _LARGEFILE64_SOURCE +# ifndef _LARGEFILE_SOURCE +# define _LARGEFILE_SOURCE 1 +# endif +# ifdef _FILE_OFFSET_BITS +# undef _FILE_OFFSET_BITS +# endif +#endif + +#ifdef HAVE_HIDDEN +# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) +#else +# define ZLIB_INTERNAL +#endif + +#include +#include "zlib.h" +#ifdef STDC +# include +# include +# include +#endif + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif +#include + +#ifdef _WIN32 +# include +#endif + +#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32) +# include +#endif + +#if defined(_WIN32) +# define WIDECHAR +#endif + +#ifdef WINAPI_FAMILY +# define open _open +# define read _read +# define write _write +# define close _close +#endif + +#ifdef NO_DEFLATE /* for compatibility with old definition */ +# define NO_GZCOMPRESS +#endif + +#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(__CYGWIN__) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#ifndef HAVE_VSNPRINTF +# ifdef MSDOS +/* vsnprintf may exist on some MS-DOS compilers (DJGPP?), + but for now we just assume it doesn't. */ +# define NO_vsnprintf +# endif +# ifdef __TURBOC__ +# define NO_vsnprintf +# endif +# ifdef WIN32 +/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ +# if !defined(vsnprintf) && !defined(NO_vsnprintf) +# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) +# define vsnprintf _vsnprintf +# endif +# endif +# endif +# ifdef __SASC +# define NO_vsnprintf +# endif +# ifdef VMS +# define NO_vsnprintf +# endif +# ifdef __OS400__ +# define NO_vsnprintf +# endif +# ifdef __MVS__ +# define NO_vsnprintf +# endif +#endif + +/* unlike snprintf (which is required in C99), _snprintf does not guarantee + null termination of the result -- however this is only used in gzlib.c where + the result is assured to fit in the space provided */ +#if defined(_MSC_VER) && _MSC_VER < 1900 +# define snprintf _snprintf +#endif + +#ifndef local +# define local static +#endif +/* since "static" is used to mean two completely different things in C, we + define "local" for the non-static meaning of "static", for readability + (compile with -Dlocal if your debugger can't find static symbols) */ + +/* gz* functions always use library allocation functions */ +#ifndef STDC + extern voidp malloc OF((uInt size)); + extern void free OF((voidpf ptr)); +#endif + +/* get errno and strerror definition */ +#if defined UNDER_CE +# include +# define zstrerror() gz_strwinerror((DWORD)GetLastError()) +#else +# ifndef NO_STRERROR +# include +# define zstrerror() strerror(errno) +# else +# define zstrerror() "stdio error (consult errno)" +# endif +#endif + +/* provide prototypes for these when building zlib without LFS */ +#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 + ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); + ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); + ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); + ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); +#endif + +/* default memLevel */ +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif + +/* default i/o buffer size -- double this for output when reading (this and + twice this must be able to fit in an unsigned type) */ +#define GZBUFSIZE 8192 + +/* gzip modes, also provide a little integrity check on the passed structure */ +#define GZ_NONE 0 +#define GZ_READ 7247 +#define GZ_WRITE 31153 +#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */ + +/* values for gz_state how */ +#define LOOK 0 /* look for a gzip header */ +#define COPY 1 /* copy input directly */ +#define GZIP 2 /* decompress a gzip stream */ + +/* internal gzip file state data structure */ +typedef struct { + /* exposed contents for gzgetc() macro */ + struct gzFile_s x; /* "x" for exposed */ + /* x.have: number of bytes available at x.next */ + /* x.next: next output data to deliver or write */ + /* x.pos: current position in uncompressed data */ + /* used for both reading and writing */ + int mode; /* see gzip modes above */ + int fd; /* file descriptor */ + char *path; /* path or fd for error messages */ + unsigned size; /* buffer size, zero if not allocated yet */ + unsigned want; /* requested buffer size, default is GZBUFSIZE */ + unsigned char *in; /* input buffer (double-sized when writing) */ + unsigned char *out; /* output buffer (double-sized when reading) */ + int direct; /* 0 if processing gzip, 1 if transparent */ + /* just for reading */ + int how; /* 0: get header, 1: copy, 2: decompress */ + z_off64_t start; /* where the gzip data started, for rewinding */ + int eof; /* true if end of input file reached */ + int past; /* true if read requested past end */ + /* just for writing */ + int level; /* compression level */ + int strategy; /* compression strategy */ + int reset; /* true if a reset is pending after a Z_FINISH */ + /* seek request */ + z_off64_t skip; /* amount to skip (already rewound if backwards) */ + int seek; /* true if seek request pending */ + /* error information */ + int err; /* error code */ + char *msg; /* error message */ + /* zlib inflate or deflate stream */ + z_stream strm; /* stream structure in-place (not a pointer) */ +} gz_state; +typedef gz_state FAR *gz_statep; + +/* shared functions */ +void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *)); +#if defined UNDER_CE +char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error)); +#endif + +/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t + value -- needed when comparing unsigned to z_off64_t, which is signed + (possible z_off64_t types off_t, off64_t, and long are all signed) */ +#ifdef INT_MAX +# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX) +#else +unsigned ZLIB_INTERNAL gz_intmax OF((void)); +# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax()) +#endif diff --git a/gzlib.c b/gzlib.c new file mode 100644 index 0000000..55da46a --- /dev/null +++ b/gzlib.c @@ -0,0 +1,639 @@ +/* gzlib.c -- zlib functions common to reading and writing gzip files + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +#if defined(_WIN32) && !defined(__BORLANDC__) +# define LSEEK _lseeki64 +#else +#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +# define LSEEK lseek64 +#else +# define LSEEK lseek +#endif +#endif + +/* Local functions */ +local void gz_reset OF((gz_statep)); +local gzFile gz_open OF((const void *, int, const char *)); + +#if defined UNDER_CE + +/* Map the Windows error number in ERROR to a locale-dependent error message + string and return a pointer to it. Typically, the values for ERROR come + from GetLastError. + + The string pointed to shall not be modified by the application, but may be + overwritten by a subsequent call to gz_strwinerror + + The gz_strwinerror function does not change the current setting of + GetLastError. */ +char ZLIB_INTERNAL *gz_strwinerror(error) + DWORD error; +{ + static char buf[1024]; + + wchar_t *msgbuf; + DWORD lasterr = GetLastError(); + DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, + error, + 0, /* Default language */ + (LPVOID)&msgbuf, + 0, + NULL); + if (chars != 0) { + /* If there is an \r\n appended, zap it. */ + if (chars >= 2 + && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { + chars -= 2; + msgbuf[chars] = 0; + } + + if (chars > sizeof (buf) - 1) { + chars = sizeof (buf) - 1; + msgbuf[chars] = 0; + } + + wcstombs(buf, msgbuf, chars + 1); + LocalFree(msgbuf); + } + else { + sprintf(buf, "unknown win32 error (%ld)", error); + } + + SetLastError(lasterr); + return buf; +} + +#endif /* UNDER_CE */ + +/* Reset gzip file state */ +local void gz_reset(state) + gz_statep state; +{ + state->x.have = 0; /* no output data available */ + if (state->mode == GZ_READ) { /* for reading ... */ + state->eof = 0; /* not at end of file */ + state->past = 0; /* have not read past end yet */ + state->how = LOOK; /* look for gzip header */ + } + else /* for writing ... */ + state->reset = 0; /* no deflateReset pending */ + state->seek = 0; /* no seek request pending */ + gz_error(state, Z_OK, NULL); /* clear error */ + state->x.pos = 0; /* no uncompressed data yet */ + state->strm.avail_in = 0; /* no input data yet */ +} + +/* Open a gzip file either by name or file descriptor. */ +local gzFile gz_open(path, fd, mode) + const void *path; + int fd; + const char *mode; +{ + gz_statep state; + z_size_t len; + int oflag; +#ifdef O_CLOEXEC + int cloexec = 0; +#endif +#ifdef O_EXCL + int exclusive = 0; +#endif + + /* check input */ + if (path == NULL) + return NULL; + + /* allocate gzFile structure to return */ + state = (gz_statep)malloc(sizeof(gz_state)); + if (state == NULL) + return NULL; + state->size = 0; /* no buffers allocated yet */ + state->want = GZBUFSIZE; /* requested buffer size */ + state->msg = NULL; /* no error message yet */ + + /* interpret mode */ + state->mode = GZ_NONE; + state->level = Z_DEFAULT_COMPRESSION; + state->strategy = Z_DEFAULT_STRATEGY; + state->direct = 0; + while (*mode) { + if (*mode >= '0' && *mode <= '9') + state->level = *mode - '0'; + else + switch (*mode) { + case 'r': + state->mode = GZ_READ; + break; +#ifndef NO_GZCOMPRESS + case 'w': + state->mode = GZ_WRITE; + break; + case 'a': + state->mode = GZ_APPEND; + break; +#endif + case '+': /* can't read and write at the same time */ + free(state); + return NULL; + case 'b': /* ignore -- will request binary anyway */ + break; +#ifdef O_CLOEXEC + case 'e': + cloexec = 1; + break; +#endif +#ifdef O_EXCL + case 'x': + exclusive = 1; + break; +#endif + case 'f': + state->strategy = Z_FILTERED; + break; + case 'h': + state->strategy = Z_HUFFMAN_ONLY; + break; + case 'R': + state->strategy = Z_RLE; + break; + case 'F': + state->strategy = Z_FIXED; + break; + case 'T': + state->direct = 1; + break; + default: /* could consider as an error, but just ignore */ + ; + } + mode++; + } + + /* must provide an "r", "w", or "a" */ + if (state->mode == GZ_NONE) { + free(state); + return NULL; + } + + /* can't force transparent read */ + if (state->mode == GZ_READ) { + if (state->direct) { + free(state); + return NULL; + } + state->direct = 1; /* for empty file */ + } + + /* save the path name for error messages */ +#ifdef WIDECHAR + if (fd == -2) { + len = wcstombs(NULL, path, 0); + if (len == (z_size_t)-1) + len = 0; + } + else +#endif + len = strlen((const char *)path); + state->path = (char *)malloc(len + 1); + if (state->path == NULL) { + free(state); + return NULL; + } +#ifdef WIDECHAR + if (fd == -2) + if (len) + wcstombs(state->path, path, len + 1); + else + *(state->path) = 0; + else +#endif +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(state->path, len + 1, "%s", (const char *)path); +#else + strcpy(state->path, path); +#endif + + /* compute the flags for open() */ + oflag = +#ifdef O_LARGEFILE + O_LARGEFILE | +#endif +#ifdef O_BINARY + O_BINARY | +#endif +#ifdef O_CLOEXEC + (cloexec ? O_CLOEXEC : 0) | +#endif + (state->mode == GZ_READ ? + O_RDONLY : + (O_WRONLY | O_CREAT | +#ifdef O_EXCL + (exclusive ? O_EXCL : 0) | +#endif + (state->mode == GZ_WRITE ? + O_TRUNC : + O_APPEND))); + + /* open the file with the appropriate flags (or just use fd) */ + state->fd = fd > -1 ? fd : ( +#ifdef WIDECHAR + fd == -2 ? _wopen(path, oflag, 0666) : +#endif + open((const char *)path, oflag, 0666)); + if (state->fd == -1) { + free(state->path); + free(state); + return NULL; + } + if (state->mode == GZ_APPEND) { + LSEEK(state->fd, 0, SEEK_END); /* so gzoffset() is correct */ + state->mode = GZ_WRITE; /* simplify later checks */ + } + + /* save the current position for rewinding (only if reading) */ + if (state->mode == GZ_READ) { + state->start = LSEEK(state->fd, 0, SEEK_CUR); + if (state->start == -1) state->start = 0; + } + + /* initialize stream */ + gz_reset(state); + + /* return stream */ + return (gzFile)state; +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzopen(path, mode) + const char *path; + const char *mode; +{ + return gz_open(path, -1, mode); +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzopen64(path, mode) + const char *path; + const char *mode; +{ + return gz_open(path, -1, mode); +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzdopen(fd, mode) + int fd; + const char *mode; +{ + char *path; /* identifier for error messages */ + gzFile gz; + + if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL) + return NULL; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(path, 7 + 3 * sizeof(int), "", fd); +#else + sprintf(path, "", fd); /* for debugging */ +#endif + gz = gz_open(path, fd, mode); + free(path); + return gz; +} + +/* -- see zlib.h -- */ +#ifdef WIDECHAR +gzFile ZEXPORT gzopen_w(path, mode) + const wchar_t *path; + const char *mode; +{ + return gz_open(path, -2, mode); +} +#endif + +/* -- see zlib.h -- */ +int ZEXPORT gzbuffer(file, size) + gzFile file; + unsigned size; +{ + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* make sure we haven't already allocated memory */ + if (state->size != 0) + return -1; + + /* check and set requested size */ + if ((size << 1) < size) + return -1; /* need to be able to double it */ + if (size < 2) + size = 2; /* need two bytes to check magic header */ + state->want = size; + return 0; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzrewind(file) + gzFile file; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* back up and start over */ + if (LSEEK(state->fd, state->start, SEEK_SET) == -1) + return -1; + gz_reset(state); + return 0; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gzseek64(file, offset, whence) + gzFile file; + z_off64_t offset; + int whence; +{ + unsigned n; + z_off64_t ret; + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* check that there's no error */ + if (state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + + /* can only seek from start or relative to current position */ + if (whence != SEEK_SET && whence != SEEK_CUR) + return -1; + + /* normalize offset to a SEEK_CUR specification */ + if (whence == SEEK_SET) + offset -= state->x.pos; + else if (state->seek) + offset += state->skip; + state->seek = 0; + + /* if within raw area while reading, just go there */ + if (state->mode == GZ_READ && state->how == COPY && + state->x.pos + offset >= 0) { + ret = LSEEK(state->fd, offset - (z_off64_t)state->x.have, SEEK_CUR); + if (ret == -1) + return -1; + state->x.have = 0; + state->eof = 0; + state->past = 0; + state->seek = 0; + gz_error(state, Z_OK, NULL); + state->strm.avail_in = 0; + state->x.pos += offset; + return state->x.pos; + } + + /* calculate skip amount, rewinding if needed for back seek when reading */ + if (offset < 0) { + if (state->mode != GZ_READ) /* writing -- can't go backwards */ + return -1; + offset += state->x.pos; + if (offset < 0) /* before start of file! */ + return -1; + if (gzrewind(file) == -1) /* rewind, then skip to offset */ + return -1; + } + + /* if reading, skip what's in output buffer (one less gzgetc() check) */ + if (state->mode == GZ_READ) { + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > offset ? + (unsigned)offset : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + offset -= n; + } + + /* request skip (if not zero) */ + if (offset) { + state->seek = 1; + state->skip = offset; + } + return state->x.pos + offset; +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gzseek(file, offset, whence) + gzFile file; + z_off_t offset; + int whence; +{ + z_off64_t ret; + + ret = gzseek64(file, (z_off64_t)offset, whence); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gztell64(file) + gzFile file; +{ + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* return position */ + return state->x.pos + (state->seek ? state->skip : 0); +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gztell(file) + gzFile file; +{ + z_off64_t ret; + + ret = gztell64(file); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gzoffset64(file) + gzFile file; +{ + z_off64_t offset; + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* compute and return effective offset in file */ + offset = LSEEK(state->fd, 0, SEEK_CUR); + if (offset == -1) + return -1; + if (state->mode == GZ_READ) /* reading */ + offset -= state->strm.avail_in; /* don't count buffered input */ + return offset; +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gzoffset(file) + gzFile file; +{ + z_off64_t ret; + + ret = gzoffset64(file); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzeof(file) + gzFile file; +{ + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return 0; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return 0; + + /* return end-of-file state */ + return state->mode == GZ_READ ? state->past : 0; +} + +/* -- see zlib.h -- */ +const char * ZEXPORT gzerror(file, errnum) + gzFile file; + int *errnum; +{ + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return NULL; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return NULL; + + /* return error information */ + if (errnum != NULL) + *errnum = state->err; + return state->err == Z_MEM_ERROR ? "out of memory" : + (state->msg == NULL ? "" : state->msg); +} + +/* -- see zlib.h -- */ +void ZEXPORT gzclearerr(file) + gzFile file; +{ + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return; + + /* clear error and end-of-file */ + if (state->mode == GZ_READ) { + state->eof = 0; + state->past = 0; + } + gz_error(state, Z_OK, NULL); +} + +/* Create an error message in allocated memory and set state->err and + state->msg accordingly. Free any previous error message already there. Do + not try to free or allocate space if the error is Z_MEM_ERROR (out of + memory). Simply save the error message as a static string. If there is an + allocation failure constructing the error message, then convert the error to + out of memory. */ +void ZLIB_INTERNAL gz_error(state, err, msg) + gz_statep state; + int err; + const char *msg; +{ + /* free previously allocated message and clear */ + if (state->msg != NULL) { + if (state->err != Z_MEM_ERROR) + free(state->msg); + state->msg = NULL; + } + + /* if fatal, set state->x.have to 0 so that the gzgetc() macro fails */ + if (err != Z_OK && err != Z_BUF_ERROR) + state->x.have = 0; + + /* set error code, and if no message, then done */ + state->err = err; + if (msg == NULL) + return; + + /* for an out of memory error, return literal string when requested */ + if (err == Z_MEM_ERROR) + return; + + /* construct error message with path */ + if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) == + NULL) { + state->err = Z_MEM_ERROR; + return; + } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(state->msg, strlen(state->path) + strlen(msg) + 3, + "%s%s%s", state->path, ": ", msg); +#else + strcpy(state->msg, state->path); + strcat(state->msg, ": "); + strcat(state->msg, msg); +#endif +} + +#ifndef INT_MAX +/* portably return maximum value for an int (when limits.h presumed not + available) -- we need to do this to cover cases where 2's complement not + used, since C standard permits 1's complement and sign-bit representations, + otherwise we could just use ((unsigned)-1) >> 1 */ +unsigned ZLIB_INTERNAL gz_intmax() +{ + unsigned p, q; + + p = 1; + do { + q = p; + p <<= 1; + p++; + } while (p > q); + return q >> 1; +} +#endif diff --git a/gzread.c b/gzread.c new file mode 100644 index 0000000..dd77381 --- /dev/null +++ b/gzread.c @@ -0,0 +1,650 @@ +/* gzread.c -- zlib functions for reading gzip files + * Copyright (C) 2004-2017 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* Local functions */ +local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *)); +local int gz_avail OF((gz_statep)); +local int gz_look OF((gz_statep)); +local int gz_decomp OF((gz_statep)); +local int gz_fetch OF((gz_statep)); +local int gz_skip OF((gz_statep, z_off64_t)); +local z_size_t gz_read OF((gz_statep, voidp, z_size_t)); + +/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from + state->fd, and update state->eof, state->err, and state->msg as appropriate. + This function needs to loop on read(), since read() is not guaranteed to + read the number of bytes requested, depending on the type of descriptor. */ +local int gz_load(state, buf, len, have) + gz_statep state; + unsigned char *buf; + unsigned len; + unsigned *have; +{ + int ret; + unsigned get, max = ((unsigned)-1 >> 2) + 1; + + *have = 0; + do { + get = len - *have; + if (get > max) + get = max; + ret = read(state->fd, buf + *have, get); + if (ret <= 0) + break; + *have += (unsigned)ret; + } while (*have < len); + if (ret < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + if (ret == 0) + state->eof = 1; + return 0; +} + +/* Load up input buffer and set eof flag if last data loaded -- return -1 on + error, 0 otherwise. Note that the eof flag is set when the end of the input + file is reached, even though there may be unused data in the buffer. Once + that data has been used, no more attempts will be made to read the file. + If strm->avail_in != 0, then the current data is moved to the beginning of + the input buffer, and then the remainder of the buffer is loaded with the + available data from the input file. */ +local int gz_avail(state) + gz_statep state; +{ + unsigned got; + z_streamp strm = &(state->strm); + + if (state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + if (state->eof == 0) { + if (strm->avail_in) { /* copy what's there to the start */ + unsigned char *p = state->in; + unsigned const char *q = strm->next_in; + unsigned n = strm->avail_in; + do { + *p++ = *q++; + } while (--n); + } + if (gz_load(state, state->in + strm->avail_in, + state->size - strm->avail_in, &got) == -1) + return -1; + strm->avail_in += got; + strm->next_in = state->in; + } + return 0; +} + +/* Look for gzip header, set up for inflate or copy. state->x.have must be 0. + If this is the first time in, allocate required memory. state->how will be + left unchanged if there is no more input data available, will be set to COPY + if there is no gzip header and direct copying will be performed, or it will + be set to GZIP for decompression. If direct copying, then leftover input + data from the input buffer will be copied to the output buffer. In that + case, all further file reads will be directly to either the output buffer or + a user buffer. If decompressing, the inflate state will be initialized. + gz_look() will return 0 on success or -1 on failure. */ +local int gz_look(state) + gz_statep state; +{ + z_streamp strm = &(state->strm); + + /* allocate read buffers and inflate memory */ + if (state->size == 0) { + /* allocate buffers */ + state->in = (unsigned char *)malloc(state->want); + state->out = (unsigned char *)malloc(state->want << 1); + if (state->in == NULL || state->out == NULL) { + free(state->out); + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + state->size = state->want; + + /* allocate inflate memory */ + state->strm.zalloc = Z_NULL; + state->strm.zfree = Z_NULL; + state->strm.opaque = Z_NULL; + state->strm.avail_in = 0; + state->strm.next_in = Z_NULL; + if (inflateInit2(&(state->strm), 15 + 16) != Z_OK) { /* gunzip */ + free(state->out); + free(state->in); + state->size = 0; + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + } + + /* get at least the magic bytes in the input buffer */ + if (strm->avail_in < 2) { + if (gz_avail(state) == -1) + return -1; + if (strm->avail_in == 0) + return 0; + } + + /* look for gzip magic bytes -- if there, do gzip decoding (note: there is + a logical dilemma here when considering the case of a partially written + gzip file, to wit, if a single 31 byte is written, then we cannot tell + whether this is a single-byte file, or just a partially written gzip + file -- for here we assume that if a gzip file is being written, then + the header will be written in a single operation, so that reading a + single byte is sufficient indication that it is not a gzip file) */ + if (strm->avail_in > 1 && + strm->next_in[0] == 31 && strm->next_in[1] == 139) { + inflateReset(strm); + state->how = GZIP; + state->direct = 0; + return 0; + } + + /* no gzip header -- if we were decoding gzip before, then this is trailing + garbage. Ignore the trailing garbage and finish. */ + if (state->direct == 0) { + strm->avail_in = 0; + state->eof = 1; + state->x.have = 0; + return 0; + } + + /* doing raw i/o, copy any leftover input to output -- this assumes that + the output buffer is larger than the input buffer, which also assures + space for gzungetc() */ + state->x.next = state->out; + memcpy(state->x.next, strm->next_in, strm->avail_in); + state->x.have = strm->avail_in; + strm->avail_in = 0; + state->how = COPY; + state->direct = 1; + return 0; +} + +/* Decompress from input to the provided next_out and avail_out in the state. + On return, state->x.have and state->x.next point to the just decompressed + data. If the gzip stream completes, state->how is reset to LOOK to look for + the next gzip stream or raw data, once state->x.have is depleted. Returns 0 + on success, -1 on failure. */ +local int gz_decomp(state) + gz_statep state; +{ + int ret = Z_OK; + unsigned had; + z_streamp strm = &(state->strm); + + /* fill output buffer up to end of deflate stream */ + had = strm->avail_out; + do { + /* get more input for inflate() */ + if (strm->avail_in == 0 && gz_avail(state) == -1) + return -1; + if (strm->avail_in == 0) { + gz_error(state, Z_BUF_ERROR, "unexpected end of file"); + break; + } + + /* decompress and handle errors */ + ret = inflate(strm, Z_NO_FLUSH); + if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) { + gz_error(state, Z_STREAM_ERROR, + "internal error: inflate stream corrupt"); + return -1; + } + if (ret == Z_MEM_ERROR) { + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + if (ret == Z_DATA_ERROR) { /* deflate stream invalid */ + gz_error(state, Z_DATA_ERROR, + strm->msg == NULL ? "compressed data error" : strm->msg); + return -1; + } + } while (strm->avail_out && ret != Z_STREAM_END); + + /* update available output */ + state->x.have = had - strm->avail_out; + state->x.next = strm->next_out - state->x.have; + + /* if the gzip stream completed successfully, look for another */ + if (ret == Z_STREAM_END) + state->how = LOOK; + + /* good decompression */ + return 0; +} + +/* Fetch data and put it in the output buffer. Assumes state->x.have is 0. + Data is either copied from the input file or decompressed from the input + file depending on state->how. If state->how is LOOK, then a gzip header is + looked for to determine whether to copy or decompress. Returns -1 on error, + otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the + end of the input file has been reached and all data has been processed. */ +local int gz_fetch(state) + gz_statep state; +{ + z_streamp strm = &(state->strm); + + do { + switch(state->how) { + case LOOK: /* -> LOOK, COPY (only if never GZIP), or GZIP */ + if (gz_look(state) == -1) + return -1; + if (state->how == LOOK) + return 0; + break; + case COPY: /* -> COPY */ + if (gz_load(state, state->out, state->size << 1, &(state->x.have)) + == -1) + return -1; + state->x.next = state->out; + return 0; + case GZIP: /* -> GZIP or LOOK (if end of gzip stream) */ + strm->avail_out = state->size << 1; + strm->next_out = state->out; + if (gz_decomp(state) == -1) + return -1; + } + } while (state->x.have == 0 && (!state->eof || strm->avail_in)); + return 0; +} + +/* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */ +local int gz_skip(state, len) + gz_statep state; + z_off64_t len; +{ + unsigned n; + + /* skip over len bytes or reach end-of-file, whichever comes first */ + while (len) + /* skip over whatever is in output buffer */ + if (state->x.have) { + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ? + (unsigned)len : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + len -= n; + } + + /* output buffer empty -- return if we're at the end of the input */ + else if (state->eof && state->strm.avail_in == 0) + break; + + /* need more data to skip -- load up output buffer */ + else { + /* get more output, looking for header if required */ + if (gz_fetch(state) == -1) + return -1; + } + return 0; +} + +/* Read len bytes into buf from file, or less than len up to the end of the + input. Return the number of bytes read. If zero is returned, either the + end of file was reached, or there was an error. state->err must be + consulted in that case to determine which. */ +local z_size_t gz_read(state, buf, len) + gz_statep state; + voidp buf; + z_size_t len; +{ + z_size_t got; + unsigned n; + + /* if len is zero, avoid unnecessary operations */ + if (len == 0) + return 0; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return 0; + } + + /* get len bytes to buf, or less than len if at the end */ + got = 0; + do { + /* set n to the maximum amount of len that fits in an unsigned int */ + n = (unsigned)-1; + if (n > len) + n = (unsigned)len; + + /* first just try copying data from the output buffer */ + if (state->x.have) { + if (state->x.have < n) + n = state->x.have; + memcpy(buf, state->x.next, n); + state->x.next += n; + state->x.have -= n; + } + + /* output buffer empty -- return if we're at the end of the input */ + else if (state->eof && state->strm.avail_in == 0) { + state->past = 1; /* tried to read past end */ + break; + } + + /* need output data -- for small len or new stream load up our output + buffer */ + else if (state->how == LOOK || n < (state->size << 1)) { + /* get more output, looking for header if required */ + if (gz_fetch(state) == -1) + return 0; + continue; /* no progress yet -- go back to copy above */ + /* the copy above assures that we will leave with space in the + output buffer, allowing at least one gzungetc() to succeed */ + } + + /* large len -- read directly into user buffer */ + else if (state->how == COPY) { /* read directly */ + if (gz_load(state, (unsigned char *)buf, n, &n) == -1) + return 0; + } + + /* large len -- decompress directly into user buffer */ + else { /* state->how == GZIP */ + state->strm.avail_out = n; + state->strm.next_out = (unsigned char *)buf; + if (gz_decomp(state) == -1) + return 0; + n = state->x.have; + state->x.have = 0; + } + + /* update progress */ + len -= n; + buf = (char *)buf + n; + got += n; + state->x.pos += n; + } while (len); + + /* return number of bytes read into user buffer */ + return got; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzread(file, buf, len) + gzFile file; + voidp buf; + unsigned len; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* since an int is returned, make sure len fits in one, otherwise return + with an error (this avoids a flaw in the interface) */ + if ((int)len < 0) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in an int"); + return -1; + } + + /* read len or fewer bytes to buf */ + len = (unsigned)gz_read(state, buf, len); + + /* check for an error */ + if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + + /* return the number of bytes read (this is assured to fit in an int) */ + return (int)len; +} + +/* -- see zlib.h -- */ +z_size_t ZEXPORT gzfread(buf, size, nitems, file) + voidp buf; + z_size_t size; + z_size_t nitems; + gzFile file; +{ + z_size_t len; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return 0; + + /* compute bytes to read -- error on overflow */ + len = nitems * size; + if (size && len / size != nitems) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); + return 0; + } + + /* read len or fewer bytes to buf, return the number of full items read */ + return len ? gz_read(state, buf, len) / size : 0; +} + +/* -- see zlib.h -- */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +#else +# undef gzgetc +#endif +int ZEXPORT gzgetc(file) + gzFile file; +{ + unsigned char buf[1]; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* try output buffer (no need to check for skip request) */ + if (state->x.have) { + state->x.have--; + state->x.pos++; + return *(state->x.next)++; + } + + /* nothing there -- try gz_read() */ + return gz_read(state, buf, 1) < 1 ? -1 : buf[0]; +} + +int ZEXPORT gzgetc_(file) +gzFile file; +{ + return gzgetc(file); +} + +/* -- see zlib.h -- */ +int ZEXPORT gzungetc(c, file) + int c; + gzFile file; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return -1; + } + + /* can't push EOF */ + if (c < 0) + return -1; + + /* if output buffer empty, put byte at end (allows more pushing) */ + if (state->x.have == 0) { + state->x.have = 1; + state->x.next = state->out + (state->size << 1) - 1; + state->x.next[0] = (unsigned char)c; + state->x.pos--; + state->past = 0; + return c; + } + + /* if no room, give up (must have already done a gzungetc()) */ + if (state->x.have == (state->size << 1)) { + gz_error(state, Z_DATA_ERROR, "out of room to push characters"); + return -1; + } + + /* slide output data if needed and insert byte before existing data */ + if (state->x.next == state->out) { + unsigned char *src = state->out + state->x.have; + unsigned char *dest = state->out + (state->size << 1); + while (src > state->out) + *--dest = *--src; + state->x.next = dest; + } + state->x.have++; + state->x.next--; + state->x.next[0] = (unsigned char)c; + state->x.pos--; + state->past = 0; + return c; +} + +/* -- see zlib.h -- */ +char * ZEXPORT gzgets(file, buf, len) + gzFile file; + char *buf; + int len; +{ + unsigned left, n; + char *str; + unsigned char *eol; + gz_statep state; + + /* check parameters and get internal structure */ + if (file == NULL || buf == NULL || len < 1) + return NULL; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return NULL; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return NULL; + } + + /* copy output bytes up to new line or len - 1, whichever comes first -- + append a terminating zero to the string (we don't check for a zero in + the contents, let the user worry about that) */ + str = buf; + left = (unsigned)len - 1; + if (left) do { + /* assure that something is in the output buffer */ + if (state->x.have == 0 && gz_fetch(state) == -1) + return NULL; /* error */ + if (state->x.have == 0) { /* end of file */ + state->past = 1; /* read past end */ + break; /* return what we have */ + } + + /* look for end-of-line in current output buffer */ + n = state->x.have > left ? left : state->x.have; + eol = (unsigned char *)memchr(state->x.next, '\n', n); + if (eol != NULL) + n = (unsigned)(eol - state->x.next) + 1; + + /* copy through end-of-line, or remainder if not found */ + memcpy(buf, state->x.next, n); + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + left -= n; + buf += n; + } while (left && eol == NULL); + + /* return terminated string, or if nothing, end of file */ + if (buf == str) + return NULL; + buf[0] = 0; + return str; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzdirect(file) + gzFile file; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* if the state is not known, but we can find out, then do so (this is + mainly for right after a gzopen() or gzdopen()) */ + if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0) + (void)gz_look(state); + + /* return 1 if transparent, 0 if processing a gzip stream */ + return state->direct; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzclose_r(file) + gzFile file; +{ + int ret, err; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're reading */ + if (state->mode != GZ_READ) + return Z_STREAM_ERROR; + + /* free memory and close file */ + if (state->size) { + inflateEnd(&(state->strm)); + free(state->out); + free(state->in); + } + err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK; + gz_error(state, Z_OK, NULL); + free(state->path); + ret = close(state->fd); + free(state); + return ret ? Z_ERRNO : err; +} diff --git a/gzwrite.c b/gzwrite.c new file mode 100644 index 0000000..eb8a0e5 --- /dev/null +++ b/gzwrite.c @@ -0,0 +1,677 @@ +/* gzwrite.c -- zlib functions for writing gzip files + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* Local functions */ +local int gz_init OF((gz_statep)); +local int gz_comp OF((gz_statep, int)); +local int gz_zero OF((gz_statep, z_off64_t)); +local z_size_t gz_write OF((gz_statep, voidpc, z_size_t)); + +/* Initialize state for writing a gzip file. Mark initialization by setting + state->size to non-zero. Return -1 on a memory allocation failure, or 0 on + success. */ +local int gz_init(state) + gz_statep state; +{ + int ret; + z_streamp strm = &(state->strm); + + /* allocate input buffer (double size for gzprintf) */ + state->in = (unsigned char *)malloc(state->want << 1); + if (state->in == NULL) { + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + + /* only need output buffer and deflate state if compressing */ + if (!state->direct) { + /* allocate output buffer */ + state->out = (unsigned char *)malloc(state->want); + if (state->out == NULL) { + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + + /* allocate deflate memory, set up for gzip compression */ + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; + strm->opaque = Z_NULL; + ret = deflateInit2(strm, state->level, Z_DEFLATED, + MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy); + if (ret != Z_OK) { + free(state->out); + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + strm->next_in = NULL; + } + + /* mark state as initialized */ + state->size = state->want; + + /* initialize write buffer if compressing */ + if (!state->direct) { + strm->avail_out = state->size; + strm->next_out = state->out; + state->x.next = strm->next_out; + } + return 0; +} + +/* Compress whatever is at avail_in and next_in and write to the output file. + Return -1 if there is an error writing to the output file or if gz_init() + fails to allocate memory, otherwise 0. flush is assumed to be a valid + deflate() flush value. If flush is Z_FINISH, then the deflate() state is + reset to start a new gzip stream. If gz->direct is true, then simply write + to the output file without compressing, and ignore flush. */ +local int gz_comp(state, flush) + gz_statep state; + int flush; +{ + int ret, writ; + unsigned have, put, max = ((unsigned)-1 >> 2) + 1; + z_streamp strm = &(state->strm); + + /* allocate memory if this is the first time through */ + if (state->size == 0 && gz_init(state) == -1) + return -1; + + /* write directly if requested */ + if (state->direct) { + while (strm->avail_in) { + put = strm->avail_in > max ? max : strm->avail_in; + writ = write(state->fd, strm->next_in, put); + if (writ < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + strm->avail_in -= (unsigned)writ; + strm->next_in += writ; + } + return 0; + } + + /* check for a pending reset */ + if (state->reset) { + /* don't start a new gzip member unless there is data to write */ + if (strm->avail_in == 0) + return 0; + deflateReset(strm); + state->reset = 0; + } + + /* run deflate() on provided input until it produces no more output */ + ret = Z_OK; + do { + /* write out current buffer contents if full, or if flushing, but if + doing Z_FINISH then don't write until we get to Z_STREAM_END */ + if (strm->avail_out == 0 || (flush != Z_NO_FLUSH && + (flush != Z_FINISH || ret == Z_STREAM_END))) { + while (strm->next_out > state->x.next) { + put = strm->next_out - state->x.next > (int)max ? max : + (unsigned)(strm->next_out - state->x.next); + writ = write(state->fd, state->x.next, put); + if (writ < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + state->x.next += writ; + } + if (strm->avail_out == 0) { + strm->avail_out = state->size; + strm->next_out = state->out; + state->x.next = state->out; + } + } + + /* compress */ + have = strm->avail_out; + ret = deflate(strm, flush); + if (ret == Z_STREAM_ERROR) { + gz_error(state, Z_STREAM_ERROR, + "internal error: deflate stream corrupt"); + return -1; + } + have -= strm->avail_out; + } while (have); + + /* if that completed a deflate stream, allow another to start */ + if (flush == Z_FINISH) + state->reset = 1; + + /* all done, no errors */ + return 0; +} + +/* Compress len zeros to output. Return -1 on a write error or memory + allocation failure by gz_comp(), or 0 on success. */ +local int gz_zero(state, len) + gz_statep state; + z_off64_t len; +{ + int first; + unsigned n; + z_streamp strm = &(state->strm); + + /* consume whatever's left in the input buffer */ + if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) + return -1; + + /* compress len zeros (len guaranteed > 0) */ + first = 1; + while (len) { + n = GT_OFF(state->size) || (z_off64_t)state->size > len ? + (unsigned)len : state->size; + if (first) { + memset(state->in, 0, n); + first = 0; + } + strm->avail_in = n; + strm->next_in = state->in; + state->x.pos += n; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return -1; + len -= n; + } + return 0; +} + +/* Write len bytes from buf to file. Return the number of bytes written. If + the returned value is less than len, then there was an error. */ +local z_size_t gz_write(state, buf, len) + gz_statep state; + voidpc buf; + z_size_t len; +{ + z_size_t put = len; + + /* if len is zero, avoid unnecessary operations */ + if (len == 0) + return 0; + + /* allocate memory if this is the first time through */ + if (state->size == 0 && gz_init(state) == -1) + return 0; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return 0; + } + + /* for small len, copy to input buffer, otherwise compress directly */ + if (len < state->size) { + /* copy to input buffer, compress when full */ + do { + unsigned have, copy; + + if (state->strm.avail_in == 0) + state->strm.next_in = state->in; + have = (unsigned)((state->strm.next_in + state->strm.avail_in) - + state->in); + copy = state->size - have; + if (copy > len) + copy = (unsigned)len; + memcpy(state->in + have, buf, copy); + state->strm.avail_in += copy; + state->x.pos += copy; + buf = (const char *)buf + copy; + len -= copy; + if (len && gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + } while (len); + } + else { + /* consume whatever's left in the input buffer */ + if (state->strm.avail_in && gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + + /* directly compress user buffer to file */ + state->strm.next_in = (z_const Bytef *)buf; + do { + unsigned n = (unsigned)-1; + if (n > len) + n = (unsigned)len; + state->strm.avail_in = n; + state->x.pos += n; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + len -= n; + } while (len); + } + + /* input was all buffered or compressed */ + return put; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzwrite(file, buf, len) + gzFile file; + voidpc buf; + unsigned len; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return 0; + + /* since an int is returned, make sure len fits in one, otherwise return + with an error (this avoids a flaw in the interface) */ + if ((int)len < 0) { + gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); + return 0; + } + + /* write len bytes from buf (the return value will fit in an int) */ + return (int)gz_write(state, buf, len); +} + +/* -- see zlib.h -- */ +z_size_t ZEXPORT gzfwrite(buf, size, nitems, file) + voidpc buf; + z_size_t size; + z_size_t nitems; + gzFile file; +{ + z_size_t len; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return 0; + + /* compute bytes to read -- error on overflow */ + len = nitems * size; + if (size && len / size != nitems) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); + return 0; + } + + /* write len bytes to buf, return the number of full items written */ + return len ? gz_write(state, buf, len) / size : 0; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzputc(file, c) + gzFile file; + int c; +{ + unsigned have; + unsigned char buf[1]; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return -1; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return -1; + } + + /* try writing to input buffer for speed (state->size == 0 if buffer not + initialized) */ + if (state->size) { + if (strm->avail_in == 0) + strm->next_in = state->in; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + if (have < state->size) { + state->in[have] = (unsigned char)c; + strm->avail_in++; + state->x.pos++; + return c & 0xff; + } + } + + /* no room in buffer or not initialized, use gz_write() */ + buf[0] = (unsigned char)c; + if (gz_write(state, buf, 1) != 1) + return -1; + return c & 0xff; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzputs(file, s) + gzFile file; + const char *s; +{ + z_size_t len, put; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return -1; + + /* write string */ + len = strlen(s); + if ((int)len < 0 || (unsigned)len != len) { + gz_error(state, Z_STREAM_ERROR, "string length does not fit in int"); + return -1; + } + put = gz_write(state, s, len); + return put < len ? -1 : (int)len; +} + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +#include + +/* -- see zlib.h -- */ +int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) +{ + int len; + unsigned left; + char *next; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* make sure we have some buffer space */ + if (state->size == 0 && gz_init(state) == -1) + return state->err; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* do the printf() into the input buffer, put length in len -- the input + buffer is double-sized just for this function, so there is guaranteed to + be state->size bytes available after the current contents */ + if (strm->avail_in == 0) + strm->next_in = state->in; + next = (char *)(state->in + (strm->next_in - state->in) + strm->avail_in); + next[state->size - 1] = 0; +#ifdef NO_vsnprintf +# ifdef HAS_vsprintf_void + (void)vsprintf(next, format, va); + for (len = 0; len < state->size; len++) + if (next[len] == 0) break; +# else + len = vsprintf(next, format, va); +# endif +#else +# ifdef HAS_vsnprintf_void + (void)vsnprintf(next, state->size, format, va); + len = strlen(next); +# else + len = vsnprintf(next, state->size, format, va); +# endif +#endif + + /* check that printf() results fit in buffer */ + if (len == 0 || (unsigned)len >= state->size || next[state->size - 1] != 0) + return 0; + + /* update buffer and position, compress first half if past that */ + strm->avail_in += (unsigned)len; + state->x.pos += len; + if (strm->avail_in >= state->size) { + left = strm->avail_in - state->size; + strm->avail_in = state->size; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return state->err; + memmove(state->in, state->in + state->size, left); + strm->next_in = state->in; + strm->avail_in = left; + } + return len; +} + +int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) +{ + va_list va; + int ret; + + va_start(va, format); + ret = gzvprintf(file, format, va); + va_end(va); + return ret; +} + +#else /* !STDC && !Z_HAVE_STDARG_H */ + +/* -- see zlib.h -- */ +int ZEXPORTVA gzprintf(file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, + a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) + gzFile file; + const char *format; + int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, + a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; +{ + unsigned len, left; + char *next; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that can really pass pointer in ints */ + if (sizeof(int) != sizeof(void *)) + return Z_STREAM_ERROR; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* make sure we have some buffer space */ + if (state->size == 0 && gz_init(state) == -1) + return state->error; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->error; + } + + /* do the printf() into the input buffer, put length in len -- the input + buffer is double-sized just for this function, so there is guaranteed to + be state->size bytes available after the current contents */ + if (strm->avail_in == 0) + strm->next_in = state->in; + next = (char *)(strm->next_in + strm->avail_in); + next[state->size - 1] = 0; +#ifdef NO_snprintf +# ifdef HAS_sprintf_void + sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, + a13, a14, a15, a16, a17, a18, a19, a20); + for (len = 0; len < size; len++) + if (next[len] == 0) + break; +# else + len = sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, + a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#else +# ifdef HAS_snprintf_void + snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, + a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + len = strlen(next); +# else + len = snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#endif + + /* check that printf() results fit in buffer */ + if (len == 0 || len >= state->size || next[state->size - 1] != 0) + return 0; + + /* update buffer and position, compress first half if past that */ + strm->avail_in += len; + state->x.pos += len; + if (strm->avail_in >= state->size) { + left = strm->avail_in - state->size; + strm->avail_in = state->size; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return state->err; + memmove(state->in, state->in + state->size, left); + strm->next_in = state->in; + strm->avail_in = left; + } + return (int)len; +} + +#endif + +/* -- see zlib.h -- */ +int ZEXPORT gzflush(file, flush) + gzFile file; + int flush; +{ + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* check flush parameter */ + if (flush < 0 || flush > Z_FINISH) + return Z_STREAM_ERROR; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* compress remaining data with requested flush */ + (void)gz_comp(state, flush); + return state->err; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzsetparams(file, level, strategy) + gzFile file; + int level; + int strategy; +{ + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* if no change is requested, then do nothing */ + if (level == state->level && strategy == state->strategy) + return Z_OK; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* change compression parameters for subsequent input */ + if (state->size) { + /* flush previous input with previous parameters before changing */ + if (strm->avail_in && gz_comp(state, Z_BLOCK) == -1) + return state->err; + deflateParams(strm, level, strategy); + } + state->level = level; + state->strategy = strategy; + return Z_OK; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzclose_w(file) + gzFile file; +{ + int ret = Z_OK; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're writing */ + if (state->mode != GZ_WRITE) + return Z_STREAM_ERROR; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + ret = state->err; + } + + /* flush, free memory, and close file */ + if (gz_comp(state, Z_FINISH) == -1) + ret = state->err; + if (state->size) { + if (!state->direct) { + (void)deflateEnd(&(state->strm)); + free(state->out); + } + free(state->in); + } + gz_error(state, Z_OK, NULL); + free(state->path); + if (close(state->fd) == -1) + ret = Z_ERRNO; + free(state); + return ret; +} diff --git a/infback.c b/infback.c new file mode 100644 index 0000000..babeaf1 --- /dev/null +++ b/infback.c @@ -0,0 +1,644 @@ +/* infback.c -- inflate using a call-back interface + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + This code is largely copied from inflate.c. Normally either infback.o or + inflate.o would be linked into an application--not both. The interface + with inffast.c is retained so that optimized assembler-coded versions of + inflate_fast() can be used with either inflate.c or infback.c. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +/* function prototypes */ +local void fixedtables OF((struct inflate_state FAR *state)); + +/* + strm provides memory allocation functions in zalloc and zfree, or + Z_NULL to use the library memory allocation functions. + + windowBits is in the range 8..15, and window is a user-supplied + window and output buffer that is 2**windowBits bytes. + */ +int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) +z_streamp strm; +int windowBits; +unsigned char FAR *window; +const char *version; +int stream_size; +{ + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL || window == Z_NULL || + windowBits < 8 || windowBits > 15) + return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + state = (struct inflate_state FAR *)ZALLOC(strm, 1, + sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + state->dmax = 32768U; + state->wbits = (uInt)windowBits; + state->wsize = 1U << windowBits; + state->window = window; + state->wnext = 0; + state->whave = 0; + state->sane = 1; + return Z_OK; +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(state) +struct inflate_state FAR *state; +{ +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +/* Macros for inflateBack(): */ + +/* Load returned state from inflate_fast() */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Set state from registers for inflate_fast() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Assure that some input is available. If input is requested, but denied, + then return a Z_BUF_ERROR from inflateBack(). */ +#define PULL() \ + do { \ + if (have == 0) { \ + have = in(in_desc, &next); \ + if (have == 0) { \ + next = Z_NULL; \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflateBack() + with an error if there is no input available. */ +#define PULLBYTE() \ + do { \ + PULL(); \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflateBack() with + an error. */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* Assure that some output space is available, by writing out the window + if it's full. If the write fails, return from inflateBack() with a + Z_BUF_ERROR. */ +#define ROOM() \ + do { \ + if (left == 0) { \ + put = state->window; \ + left = state->wsize; \ + state->whave = left; \ + if (out(out_desc, put, left)) { \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* + strm provides the memory allocation functions and window buffer on input, + and provides information on the unused input on return. For Z_DATA_ERROR + returns, strm will also provide an error message. + + in() and out() are the call-back input and output functions. When + inflateBack() needs more input, it calls in(). When inflateBack() has + filled the window with output, or when it completes with data in the + window, it calls out() to write out the data. The application must not + change the provided input until in() is called again or inflateBack() + returns. The application must not change the window/output buffer until + inflateBack() returns. + + in() and out() are called with a descriptor parameter provided in the + inflateBack() call. This parameter can be a structure that provides the + information required to do the read or write, as well as accumulated + information on the input and output such as totals and check values. + + in() should return zero on failure. out() should return non-zero on + failure. If either in() or out() fails, than inflateBack() returns a + Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it + was in() or out() that caused in the error. Otherwise, inflateBack() + returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format + error, or Z_MEM_ERROR if it could not allocate memory for the state. + inflateBack() can also return Z_STREAM_ERROR if the input parameters + are not correct, i.e. strm is Z_NULL or the state was not initialized. + */ +int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) +z_streamp strm; +in_func in; +void FAR *in_desc; +out_func out; +void FAR *out_desc; +{ + struct inflate_state FAR *state; + z_const unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code here; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + /* Check that the strm exists and that the state was initialized */ + if (strm == Z_NULL || strm->state == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* Reset the state */ + strm->msg = Z_NULL; + state->mode = TYPE; + state->last = 0; + state->whave = 0; + next = strm->next_in; + have = next != Z_NULL ? strm->avail_in : 0; + hold = 0; + bits = 0; + put = state->window; + left = state->wsize; + + /* Inflate until end of block marked as last */ + for (;;) + switch (state->mode) { + case TYPE: + /* determine and dispatch block type */ + if (state->last) { + BYTEBITS(); + state->mode = DONE; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN; /* decode codes */ + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + + case STORED: + /* get and verify stored block length */ + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + + /* copy stored block from input to output */ + while (state->length != 0) { + copy = state->length; + PULL(); + ROOM(); + if (copy > have) copy = have; + if (copy > left) copy = left; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + + case TABLE: + /* get dynamic table entries descriptor */ + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + + /* get code length code lengths (not a typo) */ + state->have = 0; + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + + /* get length and distance code code lengths */ + state->have = 0; + while (state->have < state->nlen + state->ndist) { + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.val < 16) { + DROPBITS(here.bits); + state->lens[state->have++] = here.val; + } + else { + if (here.val == 16) { + NEEDBITS(here.bits + 2); + DROPBITS(here.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = (unsigned)(state->lens[state->have - 1]); + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (here.val == 17) { + NEEDBITS(here.bits + 3); + DROPBITS(here.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(here.bits + 7); + DROPBITS(here.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* check for end-of-block code (better have one) */ + if (state->lens[256] == 0) { + strm->msg = (char *)"invalid code -- missing end-of-block"; + state->mode = BAD; + break; + } + + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftrees.h + concerning the ENOUGH constants, which depend on those values */ + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (code const FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN; + /* fallthrough */ + + case LEN: + /* use inflate_fast() if we have enough input and output */ + if (have >= 6 && left >= 258) { + RESTORE(); + if (state->whave < state->wsize) + state->whave = state->wsize - left; + inflate_fast(strm, state->wsize); + LOAD(); + break; + } + + /* get a literal, length, or end-of-block code */ + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.op && (here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + state->length = (unsigned)here.val; + + /* process literal */ + if (here.op == 0) { + Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here.val)); + ROOM(); + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + } + + /* process end of block */ + if (here.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + + /* invalid code */ + if (here.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + + /* length code -- get extra bits, if any */ + state->extra = (unsigned)(here.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + + /* get distance code */ + for (;;) { + here = state->distcode[BITS(state->distbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if ((here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + if (here.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)here.val; + + /* get distance extra bits, if any */ + state->extra = (unsigned)(here.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + } + if (state->offset > state->wsize - (state->whave < state->wsize ? + left : 0)) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + + /* copy match from window to output */ + do { + ROOM(); + copy = state->wsize - state->offset; + if (copy < left) { + from = put + copy; + copy = left - copy; + } + else { + from = put - state->offset; + copy = left; + } + if (copy > state->length) copy = state->length; + state->length -= copy; + left -= copy; + do { + *put++ = *from++; + } while (--copy); + } while (state->length != 0); + break; + + case DONE: + /* inflate stream terminated properly */ + ret = Z_STREAM_END; + goto inf_leave; + + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + + default: + /* can't happen, but makes compilers happy */ + ret = Z_STREAM_ERROR; + goto inf_leave; + } + + /* Write leftover output and return unused input */ + inf_leave: + if (left < state->wsize) { + if (out(out_desc, state->window, state->wsize - left) && + ret == Z_STREAM_END) + ret = Z_BUF_ERROR; + } + strm->next_in = next; + strm->avail_in = have; + return ret; +} + +int ZEXPORT inflateBackEnd(strm) +z_streamp strm; +{ + if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) + return Z_STREAM_ERROR; + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} diff --git a/inffast.c b/inffast.c new file mode 100644 index 0000000..1fec7f3 --- /dev/null +++ b/inffast.c @@ -0,0 +1,323 @@ +/* inffast.c -- fast decoding + * Copyright (C) 1995-2017 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifdef ASMINF +# pragma message("Assembler code may have bugs -- use at your own risk") +#else + +/* + Decode literal, length, and distance codes and write out the resulting + literal and match bytes until either not enough input or output is + available, an end-of-block is encountered, or a data error is encountered. + When large enough input and output buffers are supplied to inflate(), for + example, a 16K input buffer and a 64K output buffer, more than 95% of the + inflate execution time is spent in this routine. + + Entry assumptions: + + state->mode == LEN + strm->avail_in >= 6 + strm->avail_out >= 258 + start >= strm->avail_out + state->bits < 8 + + On return, state->mode is one of: + + LEN -- ran out of enough output space or enough available input + TYPE -- reached end of block code, inflate() to interpret next block + BAD -- error in block data + + Notes: + + - The maximum input bits used by a length/distance pair is 15 bits for the + length code, 5 bits for the length extra, 15 bits for the distance code, + and 13 bits for the distance extra. This totals 48 bits, or six bytes. + Therefore if strm->avail_in >= 6, then there is enough input to avoid + checking for available input while decoding. + + - The maximum bytes that a single length/distance pair can output is 258 + bytes, which is the maximum length that can be coded. inflate_fast() + requires strm->avail_out >= 258 for each loop to avoid checking for + output space. + */ +void ZLIB_INTERNAL inflate_fast(strm, start) +z_streamp strm; +unsigned start; /* inflate()'s starting value for strm->avail_out */ +{ + struct inflate_state FAR *state; + z_const unsigned char FAR *in; /* local strm->next_in */ + z_const unsigned char FAR *last; /* have enough input while in < last */ + unsigned char FAR *out; /* local strm->next_out */ + unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ + unsigned char FAR *end; /* while out < end, enough space available */ +#ifdef INFLATE_STRICT + unsigned dmax; /* maximum distance from zlib header */ +#endif + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned wnext; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */ + unsigned long hold; /* local strm->hold */ + unsigned bits; /* local strm->bits */ + code const FAR *lcode; /* local strm->lencode */ + code const FAR *dcode; /* local strm->distcode */ + unsigned lmask; /* mask for first level of length codes */ + unsigned dmask; /* mask for first level of distance codes */ + code const *here; /* retrieved table entry */ + unsigned op; /* code bits, operation, extra bits, or */ + /* window position, window bytes to copy */ + unsigned len; /* match length, unused bytes */ + unsigned dist; /* match distance */ + unsigned char FAR *from; /* where to copy match from */ + + /* copy state to local variables */ + state = (struct inflate_state FAR *)strm->state; + in = strm->next_in; + last = in + (strm->avail_in - 5); + out = strm->next_out; + beg = out - (start - strm->avail_out); + end = out + (strm->avail_out - 257); +#ifdef INFLATE_STRICT + dmax = state->dmax; +#endif + wsize = state->wsize; + whave = state->whave; + wnext = state->wnext; + window = state->window; + hold = state->hold; + bits = state->bits; + lcode = state->lencode; + dcode = state->distcode; + lmask = (1U << state->lenbits) - 1; + dmask = (1U << state->distbits) - 1; + + /* decode literals and length/distances until end-of-block or not enough + input data or output space */ + do { + if (bits < 15) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + here = lcode + (hold & lmask); + dolen: + op = (unsigned)(here->bits); + hold >>= op; + bits -= op; + op = (unsigned)(here->op); + if (op == 0) { /* literal */ + Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here->val)); + *out++ = (unsigned char)(here->val); + } + else if (op & 16) { /* length base */ + len = (unsigned)(here->val); + op &= 15; /* number of extra bits */ + if (op) { + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + len += (unsigned)hold & ((1U << op) - 1); + hold >>= op; + bits -= op; + } + Tracevv((stderr, "inflate: length %u\n", len)); + if (bits < 15) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + here = dcode + (hold & dmask); + dodist: + op = (unsigned)(here->bits); + hold >>= op; + bits -= op; + op = (unsigned)(here->op); + if (op & 16) { /* distance base */ + dist = (unsigned)(here->val); + op &= 15; /* number of extra bits */ + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + } + dist += (unsigned)hold & ((1U << op) - 1); +#ifdef INFLATE_STRICT + if (dist > dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + hold >>= op; + bits -= op; + Tracevv((stderr, "inflate: distance %u\n", dist)); + op = (unsigned)(out - beg); /* max distance in output */ + if (dist > op) { /* see if copy from window */ + op = dist - op; /* distance back in window */ + if (op > whave) { + if (state->sane) { + strm->msg = + (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + if (len <= op - whave) { + do { + *out++ = 0; + } while (--len); + continue; + } + len -= op - whave; + do { + *out++ = 0; + } while (--op > whave); + if (op == 0) { + from = out - dist; + do { + *out++ = *from++; + } while (--len); + continue; + } +#endif + } + from = window; + if (wnext == 0) { /* very common case */ + from += wsize - op; + if (op < len) { /* some from window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + else if (wnext < op) { /* wrap around window */ + from += wsize + wnext - op; + op -= wnext; + if (op < len) { /* some from end of window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = window; + if (wnext < len) { /* some from start of window */ + op = wnext; + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + } + else { /* contiguous in window */ + from += wnext - op; + if (op < len) { /* some from window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + while (len > 2) { + *out++ = *from++; + *out++ = *from++; + *out++ = *from++; + len -= 3; + } + if (len) { + *out++ = *from++; + if (len > 1) + *out++ = *from++; + } + } + else { + from = out - dist; /* copy direct from output */ + do { /* minimum length is three */ + *out++ = *from++; + *out++ = *from++; + *out++ = *from++; + len -= 3; + } while (len > 2); + if (len) { + *out++ = *from++; + if (len > 1) + *out++ = *from++; + } + } + } + else if ((op & 64) == 0) { /* 2nd level distance code */ + here = dcode + here->val + (hold & ((1U << op) - 1)); + goto dodist; + } + else { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + } + else if ((op & 64) == 0) { /* 2nd level length code */ + here = lcode + here->val + (hold & ((1U << op) - 1)); + goto dolen; + } + else if (op & 32) { /* end-of-block */ + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + else { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + } while (in < last && out < end); + + /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ + len = bits >> 3; + in -= len; + bits -= len << 3; + hold &= (1U << bits) - 1; + + /* update state and return */ + strm->next_in = in; + strm->next_out = out; + strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); + strm->avail_out = (unsigned)(out < end ? + 257 + (end - out) : 257 - (out - end)); + state->hold = hold; + state->bits = bits; + return; +} + +/* + inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe): + - Using bit fields for code structure + - Different op definition to avoid & for extra bits (do & for table bits) + - Three separate decoding do-loops for direct, window, and wnext == 0 + - Special case for distance > 1 copies to do overlapped load and store copy + - Explicit branch predictions (based on measured branch probabilities) + - Deferring match copy and interspersed it with decoding subsequent codes + - Swapping literal/length else + - Swapping window/direct else + - Larger unrolled copy loops (three is about right) + - Moving len -= 3 statement into middle of loop + */ + +#endif /* !ASMINF */ diff --git a/inffast.h b/inffast.h new file mode 100644 index 0000000..e5c1aa4 --- /dev/null +++ b/inffast.h @@ -0,0 +1,11 @@ +/* inffast.h -- header to use inffast.c + * Copyright (C) 1995-2003, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start)); diff --git a/inffixed.h b/inffixed.h new file mode 100644 index 0000000..d628327 --- /dev/null +++ b/inffixed.h @@ -0,0 +1,94 @@ + /* inffixed.h -- table for decoding fixed codes + * Generated automatically by makefixed(). + */ + + /* WARNING: this file should *not* be used by applications. + It is part of the implementation of this library and is + subject to change. Applications should only use zlib.h. + */ + + static const code lenfix[512] = { + {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48}, + {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128}, + {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59}, + {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176}, + {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20}, + {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100}, + {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8}, + {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216}, + {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76}, + {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114}, + {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2}, + {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148}, + {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42}, + {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86}, + {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15}, + {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236}, + {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62}, + {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, + {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31}, + {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162}, + {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25}, + {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105}, + {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4}, + {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202}, + {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69}, + {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125}, + {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13}, + {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195}, + {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35}, + {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91}, + {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19}, + {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246}, + {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55}, + {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135}, + {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99}, + {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190}, + {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16}, + {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96}, + {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6}, + {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209}, + {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72}, + {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116}, + {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4}, + {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153}, + {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44}, + {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82}, + {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11}, + {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, + {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58}, + {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138}, + {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51}, + {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173}, + {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30}, + {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110}, + {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0}, + {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195}, + {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65}, + {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121}, + {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9}, + {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258}, + {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37}, + {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93}, + {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23}, + {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251}, + {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51}, + {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, + {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67}, + {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183}, + {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23}, + {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103}, + {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9}, + {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223}, + {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79}, + {0,9,255} + }; + + static const code distfix[32] = { + {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025}, + {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193}, + {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385}, + {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577}, + {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073}, + {22,5,193},{64,5,0} + }; diff --git a/inflate.c b/inflate.c new file mode 100644 index 0000000..8acbef4 --- /dev/null +++ b/inflate.c @@ -0,0 +1,1595 @@ +/* inflate.c -- zlib decompression + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * Change history: + * + * 1.2.beta0 24 Nov 2002 + * - First version -- complete rewrite of inflate to simplify code, avoid + * creation of window when not needed, minimize use of window when it is + * needed, make inffast.c even faster, implement gzip decoding, and to + * improve code readability and style over the previous zlib inflate code + * + * 1.2.beta1 25 Nov 2002 + * - Use pointers for available input and output checking in inffast.c + * - Remove input and output counters in inffast.c + * - Change inffast.c entry and loop from avail_in >= 7 to >= 6 + * - Remove unnecessary second byte pull from length extra in inffast.c + * - Unroll direct copy to three copies per loop in inffast.c + * + * 1.2.beta2 4 Dec 2002 + * - Change external routine names to reduce potential conflicts + * - Correct filename to inffixed.h for fixed tables in inflate.c + * - Make hbuf[] unsigned char to match parameter type in inflate.c + * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset) + * to avoid negation problem on Alphas (64 bit) in inflate.c + * + * 1.2.beta3 22 Dec 2002 + * - Add comments on state->bits assertion in inffast.c + * - Add comments on op field in inftrees.h + * - Fix bug in reuse of allocated window after inflateReset() + * - Remove bit fields--back to byte structure for speed + * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths + * - Change post-increments to pre-increments in inflate_fast(), PPC biased? + * - Add compile time option, POSTINC, to use post-increments instead (Intel?) + * - Make MATCH copy in inflate() much faster for when inflate_fast() not used + * - Use local copies of stream next and avail values, as well as local bit + * buffer and bit count in inflate()--for speed when inflate_fast() not used + * + * 1.2.beta4 1 Jan 2003 + * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings + * - Move a comment on output buffer sizes from inffast.c to inflate.c + * - Add comments in inffast.c to introduce the inflate_fast() routine + * - Rearrange window copies in inflate_fast() for speed and simplification + * - Unroll last copy for window match in inflate_fast() + * - Use local copies of window variables in inflate_fast() for speed + * - Pull out common wnext == 0 case for speed in inflate_fast() + * - Make op and len in inflate_fast() unsigned for consistency + * - Add FAR to lcode and dcode declarations in inflate_fast() + * - Simplified bad distance check in inflate_fast() + * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new + * source file infback.c to provide a call-back interface to inflate for + * programs like gzip and unzip -- uses window as output buffer to avoid + * window copying + * + * 1.2.beta5 1 Jan 2003 + * - Improved inflateBack() interface to allow the caller to provide initial + * input in strm. + * - Fixed stored blocks bug in inflateBack() + * + * 1.2.beta6 4 Jan 2003 + * - Added comments in inffast.c on effectiveness of POSTINC + * - Typecasting all around to reduce compiler warnings + * - Changed loops from while (1) or do {} while (1) to for (;;), again to + * make compilers happy + * - Changed type of window in inflateBackInit() to unsigned char * + * + * 1.2.beta7 27 Jan 2003 + * - Changed many types to unsigned or unsigned short to avoid warnings + * - Added inflateCopy() function + * + * 1.2.0 9 Mar 2003 + * - Changed inflateBack() interface to provide separate opaque descriptors + * for the in() and out() functions + * - Changed inflateBack() argument and in_func typedef to swap the length + * and buffer address return values for the input function + * - Check next_in and next_out for Z_NULL on entry to inflate() + * + * The history for versions after 1.2.0 are in ChangeLog in zlib distribution. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifdef MAKEFIXED +# ifndef BUILDFIXED +# define BUILDFIXED +# endif +#endif + +/* function prototypes */ +local int inflateStateCheck OF((z_streamp strm)); +local void fixedtables OF((struct inflate_state FAR *state)); +local int updatewindow OF((z_streamp strm, const unsigned char FAR *end, + unsigned copy)); +#ifdef BUILDFIXED + void makefixed OF((void)); +#endif +local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf, + unsigned len)); + +local int inflateStateCheck(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + if (strm == Z_NULL || + strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) + return 1; + state = (struct inflate_state FAR *)strm->state; + if (state == Z_NULL || state->strm != strm || + state->mode < HEAD || state->mode > SYNC) + return 1; + return 0; +} + +int ZEXPORT inflateResetKeep(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + strm->total_in = strm->total_out = state->total = 0; + strm->msg = Z_NULL; + if (state->wrap) /* to support ill-conceived Java test suite */ + strm->adler = state->wrap & 1; + state->mode = HEAD; + state->last = 0; + state->havedict = 0; + state->flags = -1; + state->dmax = 32768U; + state->head = Z_NULL; + state->hold = 0; + state->bits = 0; + state->lencode = state->distcode = state->next = state->codes; + state->sane = 1; + state->back = -1; + Tracev((stderr, "inflate: reset\n")); + return Z_OK; +} + +int ZEXPORT inflateReset(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + state->wsize = 0; + state->whave = 0; + state->wnext = 0; + return inflateResetKeep(strm); +} + +int ZEXPORT inflateReset2(strm, windowBits) +z_streamp strm; +int windowBits; +{ + int wrap; + struct inflate_state FAR *state; + + /* get the state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* extract wrap request from windowBits parameter */ + if (windowBits < 0) { + if (windowBits < -15) + return Z_STREAM_ERROR; + wrap = 0; + windowBits = -windowBits; + } + else { + wrap = (windowBits >> 4) + 5; +#ifdef GUNZIP + if (windowBits < 48) + windowBits &= 15; +#endif + } + + /* set number of window bits, free window if different */ + if (windowBits && (windowBits < 8 || windowBits > 15)) + return Z_STREAM_ERROR; + if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) { + ZFREE(strm, state->window); + state->window = Z_NULL; + } + + /* update state and reset the rest of it */ + state->wrap = wrap; + state->wbits = (unsigned)windowBits; + return inflateReset(strm); +} + +int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) +z_streamp strm; +int windowBits; +const char *version; +int stream_size; +{ + int ret; + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL) return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + state = (struct inflate_state FAR *) + ZALLOC(strm, 1, sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + state->strm = strm; + state->window = Z_NULL; + state->mode = HEAD; /* to pass state test in inflateReset2() */ + ret = inflateReset2(strm, windowBits); + if (ret != Z_OK) { + ZFREE(strm, state); + strm->state = Z_NULL; + } + return ret; +} + +int ZEXPORT inflateInit_(strm, version, stream_size) +z_streamp strm; +const char *version; +int stream_size; +{ + return inflateInit2_(strm, DEF_WBITS, version, stream_size); +} + +int ZEXPORT inflatePrime(strm, bits, value) +z_streamp strm; +int bits; +int value; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (bits < 0) { + state->hold = 0; + state->bits = 0; + return Z_OK; + } + if (bits > 16 || state->bits + (uInt)bits > 32) return Z_STREAM_ERROR; + value &= (1L << bits) - 1; + state->hold += (unsigned)value << state->bits; + state->bits += (uInt)bits; + return Z_OK; +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(state) +struct inflate_state FAR *state; +{ +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +#ifdef MAKEFIXED +#include + +/* + Write out the inffixed.h that is #include'd above. Defining MAKEFIXED also + defines BUILDFIXED, so the tables are built on the fly. makefixed() writes + those tables to stdout, which would be piped to inffixed.h. A small program + can simply call makefixed to do this: + + void makefixed(void); + + int main(void) + { + makefixed(); + return 0; + } + + Then that can be linked with zlib built with MAKEFIXED defined and run: + + a.out > inffixed.h + */ +void makefixed() +{ + unsigned low, size; + struct inflate_state state; + + fixedtables(&state); + puts(" /* inffixed.h -- table for decoding fixed codes"); + puts(" * Generated automatically by makefixed()."); + puts(" */"); + puts(""); + puts(" /* WARNING: this file should *not* be used by applications."); + puts(" It is part of the implementation of this library and is"); + puts(" subject to change. Applications should only use zlib.h."); + puts(" */"); + puts(""); + size = 1U << 9; + printf(" static const code lenfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 7) == 0) printf("\n "); + printf("{%u,%u,%d}", (low & 127) == 99 ? 64 : state.lencode[low].op, + state.lencode[low].bits, state.lencode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); + size = 1U << 5; + printf("\n static const code distfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 6) == 0) printf("\n "); + printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits, + state.distcode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); +} +#endif /* MAKEFIXED */ + +/* + Update the window with the last wsize (normally 32K) bytes written before + returning. If window does not exist yet, create it. This is only called + when a window is already in use, or when output has been written during this + inflate call, but the end of the deflate stream has not been reached yet. + It is also called to create a window for dictionary data when a dictionary + is loaded. + + Providing output buffers larger than 32K to inflate() should provide a speed + advantage, since only the last 32K of output is copied to the sliding window + upon return from inflate(), and since all distances after the first 32K of + output will fall in the output data, making match copies simpler and faster. + The advantage may be dependent on the size of the processor's data caches. + */ +local int updatewindow(strm, end, copy) +z_streamp strm; +const Bytef *end; +unsigned copy; +{ + struct inflate_state FAR *state; + unsigned dist; + + state = (struct inflate_state FAR *)strm->state; + + /* if it hasn't been done already, allocate space for the window */ + if (state->window == Z_NULL) { + state->window = (unsigned char FAR *) + ZALLOC(strm, 1U << state->wbits, + sizeof(unsigned char)); + if (state->window == Z_NULL) return 1; + } + + /* if window not in use yet, initialize */ + if (state->wsize == 0) { + state->wsize = 1U << state->wbits; + state->wnext = 0; + state->whave = 0; + } + + /* copy state->wsize or less output bytes into the circular window */ + if (copy >= state->wsize) { + zmemcpy(state->window, end - state->wsize, state->wsize); + state->wnext = 0; + state->whave = state->wsize; + } + else { + dist = state->wsize - state->wnext; + if (dist > copy) dist = copy; + zmemcpy(state->window + state->wnext, end - copy, dist); + copy -= dist; + if (copy) { + zmemcpy(state->window, end - copy, copy); + state->wnext = copy; + state->whave = state->wsize; + } + else { + state->wnext += dist; + if (state->wnext == state->wsize) state->wnext = 0; + if (state->whave < state->wsize) state->whave += dist; + } + } + return 0; +} + +/* Macros for inflate(): */ + +/* check function to use adler32() for zlib or crc32() for gzip */ +#ifdef GUNZIP +# define UPDATE_CHECK(check, buf, len) \ + (state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) +#else +# define UPDATE_CHECK(check, buf, len) adler32(check, buf, len) +#endif + +/* check macros for header crc */ +#ifdef GUNZIP +# define CRC2(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + check = crc32(check, hbuf, 2); \ + } while (0) + +# define CRC4(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + hbuf[2] = (unsigned char)((word) >> 16); \ + hbuf[3] = (unsigned char)((word) >> 24); \ + check = crc32(check, hbuf, 4); \ + } while (0) +#endif + +/* Load registers with state in inflate() for speed */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Restore state from registers in inflate() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflate() + if there is no input available. */ +#define PULLBYTE() \ + do { \ + if (have == 0) goto inf_leave; \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflate(). */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* + inflate() uses a state machine to process as much input data and generate as + much output data as possible before returning. The state machine is + structured roughly as follows: + + for (;;) switch (state) { + ... + case STATEn: + if (not enough input data or output space to make progress) + return; + ... make progress ... + state = STATEm; + break; + ... + } + + so when inflate() is called again, the same case is attempted again, and + if the appropriate resources are provided, the machine proceeds to the + next state. The NEEDBITS() macro is usually the way the state evaluates + whether it can proceed or should return. NEEDBITS() does the return if + the requested bits are not available. The typical use of the BITS macros + is: + + NEEDBITS(n); + ... do something with BITS(n) ... + DROPBITS(n); + + where NEEDBITS(n) either returns from inflate() if there isn't enough + input left to load n bits into the accumulator, or it continues. BITS(n) + gives the low n bits in the accumulator. When done, DROPBITS(n) drops + the low n bits off the accumulator. INITBITS() clears the accumulator + and sets the number of available bits to zero. BYTEBITS() discards just + enough bits to put the accumulator on a byte boundary. After BYTEBITS() + and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. + + NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return + if there is no input available. The decoding of variable length codes uses + PULLBYTE() directly in order to pull just enough bytes to decode the next + code, and no more. + + Some states loop until they get enough input, making sure that enough + state information is maintained to continue the loop where it left off + if NEEDBITS() returns in the loop. For example, want, need, and keep + would all have to actually be part of the saved state in case NEEDBITS() + returns: + + case STATEw: + while (want < need) { + NEEDBITS(n); + keep[want++] = BITS(n); + DROPBITS(n); + } + state = STATEx; + case STATEx: + + As shown above, if the next state is also the next case, then the break + is omitted. + + A state may also return if there is not enough output space available to + complete that state. Those states are copying stored data, writing a + literal byte, and copying a matching string. + + When returning, a "goto inf_leave" is used to update the total counters, + update the check value, and determine whether any progress has been made + during that inflate() call in order to return the proper return code. + Progress is defined as a change in either strm->avail_in or strm->avail_out. + When there is a window, goto inf_leave will update the window with the last + output written. If a goto inf_leave occurs in the middle of decompression + and there is no window currently, goto inf_leave will create one and copy + output to the window for the next call of inflate(). + + In this implementation, the flush parameter of inflate() only affects the + return code (per zlib.h). inflate() always writes as much as possible to + strm->next_out, given the space available and the provided input--the effect + documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers + the allocation of and copying into a sliding window until necessary, which + provides the effect documented in zlib.h for Z_FINISH when the entire input + stream available. So the only thing the flush parameter actually does is: + when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it + will return Z_BUF_ERROR if it has not reached the end of the stream. + */ + +int ZEXPORT inflate(strm, flush) +z_streamp strm; +int flush; +{ + struct inflate_state FAR *state; + z_const unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned in, out; /* save starting available input and output */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code here; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ +#ifdef GUNZIP + unsigned char hbuf[4]; /* buffer for gzip header crc calculation */ +#endif + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + if (inflateStateCheck(strm) || strm->next_out == Z_NULL || + (strm->next_in == Z_NULL && strm->avail_in != 0)) + return Z_STREAM_ERROR; + + state = (struct inflate_state FAR *)strm->state; + if (state->mode == TYPE) state->mode = TYPEDO; /* skip check */ + LOAD(); + in = have; + out = left; + ret = Z_OK; + for (;;) + switch (state->mode) { + case HEAD: + if (state->wrap == 0) { + state->mode = TYPEDO; + break; + } + NEEDBITS(16); +#ifdef GUNZIP + if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */ + if (state->wbits == 0) + state->wbits = 15; + state->check = crc32(0L, Z_NULL, 0); + CRC2(state->check, hold); + INITBITS(); + state->mode = FLAGS; + break; + } + if (state->head != Z_NULL) + state->head->done = -1; + if (!(state->wrap & 1) || /* check if zlib header allowed */ +#else + if ( +#endif + ((BITS(8) << 8) + (hold >> 8)) % 31) { + strm->msg = (char *)"incorrect header check"; + state->mode = BAD; + break; + } + if (BITS(4) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + DROPBITS(4); + len = BITS(4) + 8; + if (state->wbits == 0) + state->wbits = len; + if (len > 15 || len > state->wbits) { + strm->msg = (char *)"invalid window size"; + state->mode = BAD; + break; + } + state->dmax = 1U << len; + state->flags = 0; /* indicate zlib header */ + Tracev((stderr, "inflate: zlib header ok\n")); + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = hold & 0x200 ? DICTID : TYPE; + INITBITS(); + break; +#ifdef GUNZIP + case FLAGS: + NEEDBITS(16); + state->flags = (int)(hold); + if ((state->flags & 0xff) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + if (state->flags & 0xe000) { + strm->msg = (char *)"unknown header flags set"; + state->mode = BAD; + break; + } + if (state->head != Z_NULL) + state->head->text = (int)((hold >> 8) & 1); + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + state->mode = TIME; + /* fallthrough */ + case TIME: + NEEDBITS(32); + if (state->head != Z_NULL) + state->head->time = hold; + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC4(state->check, hold); + INITBITS(); + state->mode = OS; + /* fallthrough */ + case OS: + NEEDBITS(16); + if (state->head != Z_NULL) { + state->head->xflags = (int)(hold & 0xff); + state->head->os = (int)(hold >> 8); + } + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + state->mode = EXLEN; + /* fallthrough */ + case EXLEN: + if (state->flags & 0x0400) { + NEEDBITS(16); + state->length = (unsigned)(hold); + if (state->head != Z_NULL) + state->head->extra_len = (unsigned)hold; + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + } + else if (state->head != Z_NULL) + state->head->extra = Z_NULL; + state->mode = EXTRA; + /* fallthrough */ + case EXTRA: + if (state->flags & 0x0400) { + copy = state->length; + if (copy > have) copy = have; + if (copy) { + if (state->head != Z_NULL && + state->head->extra != Z_NULL && + (len = state->head->extra_len - state->length) < + state->head->extra_max) { + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); + } + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + state->length -= copy; + } + if (state->length) goto inf_leave; + } + state->length = 0; + state->mode = NAME; + /* fallthrough */ + case NAME: + if (state->flags & 0x0800) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->name != Z_NULL && + state->length < state->head->name_max) + state->head->name[state->length++] = (Bytef)len; + } while (len && copy < have); + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->name = Z_NULL; + state->length = 0; + state->mode = COMMENT; + /* fallthrough */ + case COMMENT: + if (state->flags & 0x1000) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->comment != Z_NULL && + state->length < state->head->comm_max) + state->head->comment[state->length++] = (Bytef)len; + } while (len && copy < have); + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->comment = Z_NULL; + state->mode = HCRC; + /* fallthrough */ + case HCRC: + if (state->flags & 0x0200) { + NEEDBITS(16); + if ((state->wrap & 4) && hold != (state->check & 0xffff)) { + strm->msg = (char *)"header crc mismatch"; + state->mode = BAD; + break; + } + INITBITS(); + } + if (state->head != Z_NULL) { + state->head->hcrc = (int)((state->flags >> 9) & 1); + state->head->done = 1; + } + strm->adler = state->check = crc32(0L, Z_NULL, 0); + state->mode = TYPE; + break; +#endif + case DICTID: + NEEDBITS(32); + strm->adler = state->check = ZSWAP32(hold); + INITBITS(); + state->mode = DICT; + /* fallthrough */ + case DICT: + if (state->havedict == 0) { + RESTORE(); + return Z_NEED_DICT; + } + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = TYPE; + /* fallthrough */ + case TYPE: + if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave; + /* fallthrough */ + case TYPEDO: + if (state->last) { + BYTEBITS(); + state->mode = CHECK; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN_; /* decode codes */ + if (flush == Z_TREES) { + DROPBITS(2); + goto inf_leave; + } + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + case STORED: + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + state->mode = COPY_; + if (flush == Z_TREES) goto inf_leave; + /* fallthrough */ + case COPY_: + state->mode = COPY; + /* fallthrough */ + case COPY: + copy = state->length; + if (copy) { + if (copy > have) copy = have; + if (copy > left) copy = left; + if (copy == 0) goto inf_leave; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + break; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + case TABLE: + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + state->have = 0; + state->mode = LENLENS; + /* fallthrough */ + case LENLENS: + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (const code FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + state->have = 0; + state->mode = CODELENS; + /* fallthrough */ + case CODELENS: + while (state->have < state->nlen + state->ndist) { + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.val < 16) { + DROPBITS(here.bits); + state->lens[state->have++] = here.val; + } + else { + if (here.val == 16) { + NEEDBITS(here.bits + 2); + DROPBITS(here.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = state->lens[state->have - 1]; + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (here.val == 17) { + NEEDBITS(here.bits + 3); + DROPBITS(here.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(here.bits + 7); + DROPBITS(here.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* check for end-of-block code (better have one) */ + if (state->lens[256] == 0) { + strm->msg = (char *)"invalid code -- missing end-of-block"; + state->mode = BAD; + break; + } + + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftrees.h + concerning the ENOUGH constants, which depend on those values */ + state->next = state->codes; + state->lencode = (const code FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (const code FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN_; + if (flush == Z_TREES) goto inf_leave; + /* fallthrough */ + case LEN_: + state->mode = LEN; + /* fallthrough */ + case LEN: + if (have >= 6 && left >= 258) { + RESTORE(); + inflate_fast(strm, out); + LOAD(); + if (state->mode == TYPE) + state->back = -1; + break; + } + state->back = 0; + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.op && (here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + state->back += last.bits; + } + DROPBITS(here.bits); + state->back += here.bits; + state->length = (unsigned)here.val; + if ((int)(here.op) == 0) { + Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here.val)); + state->mode = LIT; + break; + } + if (here.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->back = -1; + state->mode = TYPE; + break; + } + if (here.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + state->extra = (unsigned)(here.op) & 15; + state->mode = LENEXT; + /* fallthrough */ + case LENEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + state->back += state->extra; + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + state->was = state->length; + state->mode = DIST; + /* fallthrough */ + case DIST: + for (;;) { + here = state->distcode[BITS(state->distbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if ((here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + state->back += last.bits; + } + DROPBITS(here.bits); + state->back += here.bits; + if (here.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)here.val; + state->extra = (unsigned)(here.op) & 15; + state->mode = DISTEXT; + /* fallthrough */ + case DISTEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + state->back += state->extra; + } +#ifdef INFLATE_STRICT + if (state->offset > state->dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + state->mode = MATCH; + /* fallthrough */ + case MATCH: + if (left == 0) goto inf_leave; + copy = out - left; + if (state->offset > copy) { /* copy from window */ + copy = state->offset - copy; + if (copy > state->whave) { + if (state->sane) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + Trace((stderr, "inflate.c too far\n")); + copy -= state->whave; + if (copy > state->length) copy = state->length; + if (copy > left) copy = left; + left -= copy; + state->length -= copy; + do { + *put++ = 0; + } while (--copy); + if (state->length == 0) state->mode = LEN; + break; +#endif + } + if (copy > state->wnext) { + copy -= state->wnext; + from = state->window + (state->wsize - copy); + } + else + from = state->window + (state->wnext - copy); + if (copy > state->length) copy = state->length; + } + else { /* copy from output */ + from = put - state->offset; + copy = state->length; + } + if (copy > left) copy = left; + left -= copy; + state->length -= copy; + do { + *put++ = *from++; + } while (--copy); + if (state->length == 0) state->mode = LEN; + break; + case LIT: + if (left == 0) goto inf_leave; + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + case CHECK: + if (state->wrap) { + NEEDBITS(32); + out -= left; + strm->total_out += out; + state->total += out; + if ((state->wrap & 4) && out) + strm->adler = state->check = + UPDATE_CHECK(state->check, put - out, out); + out = left; + if ((state->wrap & 4) && ( +#ifdef GUNZIP + state->flags ? hold : +#endif + ZSWAP32(hold)) != state->check) { + strm->msg = (char *)"incorrect data check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: check matches trailer\n")); + } +#ifdef GUNZIP + state->mode = LENGTH; + /* fallthrough */ + case LENGTH: + if (state->wrap && state->flags) { + NEEDBITS(32); + if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) { + strm->msg = (char *)"incorrect length check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: length matches trailer\n")); + } +#endif + state->mode = DONE; + /* fallthrough */ + case DONE: + ret = Z_STREAM_END; + goto inf_leave; + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + case MEM: + return Z_MEM_ERROR; + case SYNC: + /* fallthrough */ + default: + return Z_STREAM_ERROR; + } + + /* + Return from inflate(), updating the total counts and the check value. + If there was no progress during the inflate() call, return a buffer + error. Call updatewindow() to create and/or update the window state. + Note: a memory error from inflate() is non-recoverable. + */ + inf_leave: + RESTORE(); + if (state->wsize || (out != strm->avail_out && state->mode < BAD && + (state->mode < CHECK || flush != Z_FINISH))) + if (updatewindow(strm, strm->next_out, out - strm->avail_out)) { + state->mode = MEM; + return Z_MEM_ERROR; + } + in -= strm->avail_in; + out -= strm->avail_out; + strm->total_in += in; + strm->total_out += out; + state->total += out; + if ((state->wrap & 4) && out) + strm->adler = state->check = + UPDATE_CHECK(state->check, strm->next_out - out, out); + strm->data_type = (int)state->bits + (state->last ? 64 : 0) + + (state->mode == TYPE ? 128 : 0) + + (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); + if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) + ret = Z_BUF_ERROR; + return ret; +} + +int ZEXPORT inflateEnd(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + if (inflateStateCheck(strm)) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->window != Z_NULL) ZFREE(strm, state->window); + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} + +int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength) +z_streamp strm; +Bytef *dictionary; +uInt *dictLength; +{ + struct inflate_state FAR *state; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* copy dictionary */ + if (state->whave && dictionary != Z_NULL) { + zmemcpy(dictionary, state->window + state->wnext, + state->whave - state->wnext); + zmemcpy(dictionary + state->whave - state->wnext, + state->window, state->wnext); + } + if (dictLength != Z_NULL) + *dictLength = state->whave; + return Z_OK; +} + +int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) +z_streamp strm; +const Bytef *dictionary; +uInt dictLength; +{ + struct inflate_state FAR *state; + unsigned long dictid; + int ret; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->wrap != 0 && state->mode != DICT) + return Z_STREAM_ERROR; + + /* check for correct dictionary identifier */ + if (state->mode == DICT) { + dictid = adler32(0L, Z_NULL, 0); + dictid = adler32(dictid, dictionary, dictLength); + if (dictid != state->check) + return Z_DATA_ERROR; + } + + /* copy dictionary to window using updatewindow(), which will amend the + existing dictionary if appropriate */ + ret = updatewindow(strm, dictionary + dictLength, dictLength); + if (ret) { + state->mode = MEM; + return Z_MEM_ERROR; + } + state->havedict = 1; + Tracev((stderr, "inflate: dictionary set\n")); + return Z_OK; +} + +int ZEXPORT inflateGetHeader(strm, head) +z_streamp strm; +gz_headerp head; +{ + struct inflate_state FAR *state; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; + + /* save header structure */ + state->head = head; + head->done = 0; + return Z_OK; +} + +/* + Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found + or when out of input. When called, *have is the number of pattern bytes + found in order so far, in 0..3. On return *have is updated to the new + state. If on return *have equals four, then the pattern was found and the + return value is how many bytes were read including the last byte of the + pattern. If *have is less than four, then the pattern has not been found + yet and the return value is len. In the latter case, syncsearch() can be + called again with more data and the *have state. *have is initialized to + zero for the first call. + */ +local unsigned syncsearch(have, buf, len) +unsigned FAR *have; +const unsigned char FAR *buf; +unsigned len; +{ + unsigned got; + unsigned next; + + got = *have; + next = 0; + while (next < len && got < 4) { + if ((int)(buf[next]) == (got < 2 ? 0 : 0xff)) + got++; + else if (buf[next]) + got = 0; + else + got = 4 - got; + next++; + } + *have = got; + return next; +} + +int ZEXPORT inflateSync(strm) +z_streamp strm; +{ + unsigned len; /* number of bytes to look at or looked at */ + int flags; /* temporary to save header status */ + unsigned long in, out; /* temporary to save total_in and total_out */ + unsigned char buf[4]; /* to restore bit buffer to byte string */ + struct inflate_state FAR *state; + + /* check parameters */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR; + + /* if first time, start search in bit buffer */ + if (state->mode != SYNC) { + state->mode = SYNC; + state->hold <<= state->bits & 7; + state->bits -= state->bits & 7; + len = 0; + while (state->bits >= 8) { + buf[len++] = (unsigned char)(state->hold); + state->hold >>= 8; + state->bits -= 8; + } + state->have = 0; + syncsearch(&(state->have), buf, len); + } + + /* search available input */ + len = syncsearch(&(state->have), strm->next_in, strm->avail_in); + strm->avail_in -= len; + strm->next_in += len; + strm->total_in += len; + + /* return no joy or set up to restart inflate() on a new block */ + if (state->have != 4) return Z_DATA_ERROR; + if (state->flags == -1) + state->wrap = 0; /* if no header yet, treat as raw */ + else + state->wrap &= ~4; /* no point in computing a check value now */ + flags = state->flags; + in = strm->total_in; out = strm->total_out; + inflateReset(strm); + strm->total_in = in; strm->total_out = out; + state->flags = flags; + state->mode = TYPE; + return Z_OK; +} + +/* + Returns true if inflate is currently at the end of a block generated by + Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP + implementation to provide an additional safety check. PPP uses + Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored + block. When decompressing, PPP checks that at the end of input packet, + inflate is waiting for these length bytes. + */ +int ZEXPORT inflateSyncPoint(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + return state->mode == STORED && state->bits == 0; +} + +int ZEXPORT inflateCopy(dest, source) +z_streamp dest; +z_streamp source; +{ + struct inflate_state FAR *state; + struct inflate_state FAR *copy; + unsigned char FAR *window; + unsigned wsize; + + /* check input */ + if (inflateStateCheck(source) || dest == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)source->state; + + /* allocate space */ + copy = (struct inflate_state FAR *) + ZALLOC(source, 1, sizeof(struct inflate_state)); + if (copy == Z_NULL) return Z_MEM_ERROR; + window = Z_NULL; + if (state->window != Z_NULL) { + window = (unsigned char FAR *) + ZALLOC(source, 1U << state->wbits, sizeof(unsigned char)); + if (window == Z_NULL) { + ZFREE(source, copy); + return Z_MEM_ERROR; + } + } + + /* copy state */ + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); + zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state)); + copy->strm = dest; + if (state->lencode >= state->codes && + state->lencode <= state->codes + ENOUGH - 1) { + copy->lencode = copy->codes + (state->lencode - state->codes); + copy->distcode = copy->codes + (state->distcode - state->codes); + } + copy->next = copy->codes + (state->next - state->codes); + if (window != Z_NULL) { + wsize = 1U << state->wbits; + zmemcpy(window, state->window, wsize); + } + copy->window = window; + dest->state = (struct internal_state FAR *)copy; + return Z_OK; +} + +int ZEXPORT inflateUndermine(strm, subvert) +z_streamp strm; +int subvert; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + state->sane = !subvert; + return Z_OK; +#else + (void)subvert; + state->sane = 1; + return Z_DATA_ERROR; +#endif +} + +int ZEXPORT inflateValidate(strm, check) +z_streamp strm; +int check; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (check && state->wrap) + state->wrap |= 4; + else + state->wrap &= ~4; + return Z_OK; +} + +long ZEXPORT inflateMark(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) + return -(1L << 16); + state = (struct inflate_state FAR *)strm->state; + return (long)(((unsigned long)((long)state->back)) << 16) + + (state->mode == COPY ? state->length : + (state->mode == MATCH ? state->was - state->length : 0)); +} + +unsigned long ZEXPORT inflateCodesUsed(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + if (inflateStateCheck(strm)) return (unsigned long)-1; + state = (struct inflate_state FAR *)strm->state; + return (unsigned long)(state->next - state->codes); +} diff --git a/inflate.h b/inflate.h new file mode 100644 index 0000000..f127b6b --- /dev/null +++ b/inflate.h @@ -0,0 +1,126 @@ +/* inflate.h -- internal inflate state definition + * Copyright (C) 1995-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer decoding by inflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip decoding + should be left enabled. */ +#ifndef NO_GZIP +# define GUNZIP +#endif + +/* Possible inflate modes between inflate() calls */ +typedef enum { + HEAD = 16180, /* i: waiting for magic header */ + FLAGS, /* i: waiting for method and flags (gzip) */ + TIME, /* i: waiting for modification time (gzip) */ + OS, /* i: waiting for extra flags and operating system (gzip) */ + EXLEN, /* i: waiting for extra length (gzip) */ + EXTRA, /* i: waiting for extra bytes (gzip) */ + NAME, /* i: waiting for end of file name (gzip) */ + COMMENT, /* i: waiting for end of comment (gzip) */ + HCRC, /* i: waiting for header crc (gzip) */ + DICTID, /* i: waiting for dictionary check value */ + DICT, /* waiting for inflateSetDictionary() call */ + TYPE, /* i: waiting for type bits, including last-flag bit */ + TYPEDO, /* i: same, but skip check to exit inflate on new block */ + STORED, /* i: waiting for stored size (length and complement) */ + COPY_, /* i/o: same as COPY below, but only first time in */ + COPY, /* i/o: waiting for input or output to copy stored block */ + TABLE, /* i: waiting for dynamic block table lengths */ + LENLENS, /* i: waiting for code length code lengths */ + CODELENS, /* i: waiting for length/lit and distance code lengths */ + LEN_, /* i: same as LEN below, but only first time in */ + LEN, /* i: waiting for length/lit/eob code */ + LENEXT, /* i: waiting for length extra bits */ + DIST, /* i: waiting for distance code */ + DISTEXT, /* i: waiting for distance extra bits */ + MATCH, /* o: waiting for output space to copy string */ + LIT, /* o: waiting for output space to write literal */ + CHECK, /* i: waiting for 32-bit check value */ + LENGTH, /* i: waiting for 32-bit length (gzip) */ + DONE, /* finished check, done -- remain here until reset */ + BAD, /* got a data error -- remain here until reset */ + MEM, /* got an inflate() memory error -- remain here until reset */ + SYNC /* looking for synchronization bytes to restart inflate() */ +} inflate_mode; + +/* + State transitions between above modes - + + (most modes can go to BAD or MEM on error -- not shown for clarity) + + Process header: + HEAD -> (gzip) or (zlib) or (raw) + (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -> COMMENT -> + HCRC -> TYPE + (zlib) -> DICTID or TYPE + DICTID -> DICT -> TYPE + (raw) -> TYPEDO + Read deflate blocks: + TYPE -> TYPEDO -> STORED or TABLE or LEN_ or CHECK + STORED -> COPY_ -> COPY -> TYPE + TABLE -> LENLENS -> CODELENS -> LEN_ + LEN_ -> LEN + Read deflate codes in fixed or dynamic block: + LEN -> LENEXT or LIT or TYPE + LENEXT -> DIST -> DISTEXT -> MATCH -> LEN + LIT -> LEN + Process trailer: + CHECK -> LENGTH -> DONE + */ + +/* State maintained between inflate() calls -- approximately 7K bytes, not + including the allocated sliding window, which is up to 32K bytes. */ +struct inflate_state { + z_streamp strm; /* pointer back to this zlib stream */ + inflate_mode mode; /* current inflate mode */ + int last; /* true if processing last block */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip, + bit 2 true to validate check value */ + int havedict; /* true if dictionary provided */ + int flags; /* gzip header method and flags, 0 if zlib, or + -1 if raw or no header yet */ + unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ + unsigned long check; /* protected copy of check value */ + unsigned long total; /* protected copy of output count */ + gz_headerp head; /* where to save gzip header information */ + /* sliding window */ + unsigned wbits; /* log base 2 of requested window size */ + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned wnext; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + /* bit accumulator */ + unsigned long hold; /* input bit accumulator */ + unsigned bits; /* number of bits in "in" */ + /* for string and stored block copying */ + unsigned length; /* literal or length of data to copy */ + unsigned offset; /* distance back to copy string from */ + /* for table and code decoding */ + unsigned extra; /* extra bits needed */ + /* fixed and dynamic code tables */ + code const FAR *lencode; /* starting table for length/literal codes */ + code const FAR *distcode; /* starting table for distance codes */ + unsigned lenbits; /* index bits for lencode */ + unsigned distbits; /* index bits for distcode */ + /* dynamic table building */ + unsigned ncode; /* number of code length code lengths */ + unsigned nlen; /* number of length code lengths */ + unsigned ndist; /* number of distance code lengths */ + unsigned have; /* number of code lengths in lens[] */ + code FAR *next; /* next available space in codes[] */ + unsigned short lens[320]; /* temporary storage for code lengths */ + unsigned short work[288]; /* work area for code table building */ + code codes[ENOUGH]; /* space for code tables */ + int sane; /* if false, allow invalid distance too far */ + int back; /* bits back of last unprocessed length/lit */ + unsigned was; /* initial length of match */ +}; diff --git a/inftrees.c b/inftrees.c new file mode 100644 index 0000000..57d2793 --- /dev/null +++ b/inftrees.c @@ -0,0 +1,304 @@ +/* inftrees.c -- generate Huffman trees for efficient decoding + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" + +#define MAXBITS 15 + +const char inflate_copyright[] = + " inflate 1.2.13 Copyright 1995-2022 Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* + Build a set of tables to decode the provided canonical Huffman code. + The code lengths are lens[0..codes-1]. The result starts at *table, + whose indices are 0..2^bits-1. work is a writable array of at least + lens shorts, which is used as a work area. type is the type of code + to be generated, CODES, LENS, or DISTS. On return, zero is success, + -1 is an invalid code, and +1 means that ENOUGH isn't enough. table + on return points to the next available entry's address. bits is the + requested root table index bits, and on return it is the actual root + table index bits. It will differ if the request is greater than the + longest code or if it is less than the shortest code. + */ +int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work) +codetype type; +unsigned short FAR *lens; +unsigned codes; +code FAR * FAR *table; +unsigned FAR *bits; +unsigned short FAR *work; +{ + unsigned len; /* a code's length in bits */ + unsigned sym; /* index of code symbols */ + unsigned min, max; /* minimum and maximum code lengths */ + unsigned root; /* number of index bits for root table */ + unsigned curr; /* number of index bits for current table */ + unsigned drop; /* code bits to drop for sub-table */ + int left; /* number of prefix codes available */ + unsigned used; /* code entries in table used */ + unsigned huff; /* Huffman code */ + unsigned incr; /* for incrementing code, index */ + unsigned fill; /* index for replicating entries */ + unsigned low; /* low bits for current root entry */ + unsigned mask; /* mask for low root bits */ + code here; /* table entry for duplication */ + code FAR *next; /* next available space in table */ + const unsigned short FAR *base; /* base value table to use */ + const unsigned short FAR *extra; /* extra bits table to use */ + unsigned match; /* use base and extra for symbol >= match */ + unsigned short count[MAXBITS+1]; /* number of codes of each length */ + unsigned short offs[MAXBITS+1]; /* offsets in table for each length */ + static const unsigned short lbase[31] = { /* Length codes 257..285 base */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, + 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; + static const unsigned short lext[31] = { /* Length codes 257..285 extra */ + 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 194, 65}; + static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, + 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, + 8193, 12289, 16385, 24577, 0, 0}; + static const unsigned short dext[32] = { /* Distance codes 0..29 extra */ + 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, + 28, 28, 29, 29, 64, 64}; + + /* + Process a set of code lengths to create a canonical Huffman code. The + code lengths are lens[0..codes-1]. Each length corresponds to the + symbols 0..codes-1. The Huffman code is generated by first sorting the + symbols by length from short to long, and retaining the symbol order + for codes with equal lengths. Then the code starts with all zero bits + for the first code of the shortest length, and the codes are integer + increments for the same length, and zeros are appended as the length + increases. For the deflate format, these bits are stored backwards + from their more natural integer increment ordering, and so when the + decoding tables are built in the large loop below, the integer codes + are incremented backwards. + + This routine assumes, but does not check, that all of the entries in + lens[] are in the range 0..MAXBITS. The caller must assure this. + 1..MAXBITS is interpreted as that code length. zero means that that + symbol does not occur in this code. + + The codes are sorted by computing a count of codes for each length, + creating from that a table of starting indices for each length in the + sorted table, and then entering the symbols in order in the sorted + table. The sorted table is work[], with that space being provided by + the caller. + + The length counts are used for other purposes as well, i.e. finding + the minimum and maximum length codes, determining if there are any + codes at all, checking for a valid set of lengths, and looking ahead + at length counts to determine sub-table sizes when building the + decoding tables. + */ + + /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ + for (len = 0; len <= MAXBITS; len++) + count[len] = 0; + for (sym = 0; sym < codes; sym++) + count[lens[sym]]++; + + /* bound code lengths, force root to be within code lengths */ + root = *bits; + for (max = MAXBITS; max >= 1; max--) + if (count[max] != 0) break; + if (root > max) root = max; + if (max == 0) { /* no symbols to code at all */ + here.op = (unsigned char)64; /* invalid code marker */ + here.bits = (unsigned char)1; + here.val = (unsigned short)0; + *(*table)++ = here; /* make a table to force an error */ + *(*table)++ = here; + *bits = 1; + return 0; /* no symbols, but wait for decoding to report error */ + } + for (min = 1; min < max; min++) + if (count[min] != 0) break; + if (root < min) root = min; + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; + left -= count[len]; + if (left < 0) return -1; /* over-subscribed */ + } + if (left > 0 && (type == CODES || max != 1)) + return -1; /* incomplete set */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + count[len]; + + /* sort symbols by length, by symbol order within each length */ + for (sym = 0; sym < codes; sym++) + if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; + + /* + Create and fill in decoding tables. In this loop, the table being + filled is at next and has curr index bits. The code being used is huff + with length len. That code is converted to an index by dropping drop + bits off of the bottom. For codes where len is less than drop + curr, + those top drop + curr - len bits are incremented through all values to + fill the table with replicated entries. + + root is the number of index bits for the root table. When len exceeds + root, sub-tables are created pointed to by the root entry with an index + of the low root bits of huff. This is saved in low to check for when a + new sub-table should be started. drop is zero when the root table is + being filled, and drop is root when sub-tables are being filled. + + When a new sub-table is needed, it is necessary to look ahead in the + code lengths to determine what size sub-table is needed. The length + counts are used for this, and so count[] is decremented as codes are + entered in the tables. + + used keeps track of how many table entries have been allocated from the + provided *table space. It is checked for LENS and DIST tables against + the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in + the initial root table size constants. See the comments in inftrees.h + for more information. + + sym increments through all symbols, and the loop terminates when + all codes of length max, i.e. all codes, have been processed. This + routine permits incomplete codes, so another loop after this one fills + in the rest of the decoding tables with invalid code markers. + */ + + /* set up for code type */ + switch (type) { + case CODES: + base = extra = work; /* dummy value--not used */ + match = 20; + break; + case LENS: + base = lbase; + extra = lext; + match = 257; + break; + default: /* DISTS */ + base = dbase; + extra = dext; + match = 0; + } + + /* initialize state for loop */ + huff = 0; /* starting code */ + sym = 0; /* starting code symbol */ + len = min; /* starting code length */ + next = *table; /* current table to fill in */ + curr = root; /* current table index bits */ + drop = 0; /* current bits to drop from code for index */ + low = (unsigned)(-1); /* trigger new sub-table when len > root */ + used = 1U << root; /* use root table entries */ + mask = used - 1; /* mask for comparing low */ + + /* check available table space */ + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) + return 1; + + /* process all codes and make table entries */ + for (;;) { + /* create table entry */ + here.bits = (unsigned char)(len - drop); + if (work[sym] + 1U < match) { + here.op = (unsigned char)0; + here.val = work[sym]; + } + else if (work[sym] >= match) { + here.op = (unsigned char)(extra[work[sym] - match]); + here.val = base[work[sym] - match]; + } + else { + here.op = (unsigned char)(32 + 64); /* end of block */ + here.val = 0; + } + + /* replicate for those indices with low len bits equal to huff */ + incr = 1U << (len - drop); + fill = 1U << curr; + min = fill; /* save offset to next table */ + do { + fill -= incr; + next[(huff >> drop) + fill] = here; + } while (fill != 0); + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + + /* go to next symbol, update count, len */ + sym++; + if (--(count[len]) == 0) { + if (len == max) break; + len = lens[work[sym]]; + } + + /* create new sub-table if needed */ + if (len > root && (huff & mask) != low) { + /* if first time, transition to sub-tables */ + if (drop == 0) + drop = root; + + /* increment past last table */ + next += min; /* here min is 1 << curr */ + + /* determine length of next table */ + curr = len - drop; + left = (int)(1 << curr); + while (curr + drop < max) { + left -= count[curr + drop]; + if (left <= 0) break; + curr++; + left <<= 1; + } + + /* check for enough space */ + used += 1U << curr; + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) + return 1; + + /* point entry in root table to sub-table */ + low = huff & mask; + (*table)[low].op = (unsigned char)curr; + (*table)[low].bits = (unsigned char)root; + (*table)[low].val = (unsigned short)(next - *table); + } + } + + /* fill in remaining table entry if code is incomplete (guaranteed to have + at most one remaining entry, since if the code is incomplete, the + maximum code length that was allowed to get this far is one bit) */ + if (huff != 0) { + here.op = (unsigned char)64; /* invalid code marker */ + here.bits = (unsigned char)(len - drop); + here.val = (unsigned short)0; + next[huff] = here; + } + + /* set return parameters */ + *table += used; + *bits = root; + return 0; +} diff --git a/inftrees.h b/inftrees.h new file mode 100644 index 0000000..f536653 --- /dev/null +++ b/inftrees.h @@ -0,0 +1,62 @@ +/* inftrees.h -- header to use inftrees.c + * Copyright (C) 1995-2005, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Structure for decoding tables. Each entry provides either the + information needed to do the operation requested by the code that + indexed that table entry, or it provides a pointer to another + table that indexes more bits of the code. op indicates whether + the entry is a pointer to another table, a literal, a length or + distance, an end-of-block, or an invalid code. For a table + pointer, the low four bits of op is the number of index bits of + that table. For a length or distance, the low four bits of op + is the number of extra bits to get after the code. bits is + the number of bits in this code or part of the code to drop off + of the bit buffer. val is the actual byte to output in the case + of a literal, the base length or distance, or the offset from + the current table to the next table. Each entry is four bytes. */ +typedef struct { + unsigned char op; /* operation, extra bits, table bits */ + unsigned char bits; /* bits in this part of the code */ + unsigned short val; /* offset in table or code value */ +} code; + +/* op values as set by inflate_table(): + 00000000 - literal + 0000tttt - table link, tttt != 0 is the number of table index bits + 0001eeee - length or distance, eeee is the number of extra bits + 01100000 - end of block + 01000000 - invalid code + */ + +/* Maximum size of the dynamic table. The maximum number of code structures is + 1444, which is the sum of 852 for literal/length codes and 592 for distance + codes. These values were found by exhaustive searches using the program + examples/enough.c found in the zlib distribution. The arguments to that + program are the number of symbols, the initial root table size, and the + maximum bit length of a code. "enough 286 9 15" for literal/length codes + returns returns 852, and "enough 30 6 15" for distance codes returns 592. + The initial root table size (9 or 6) is found in the fifth argument of the + inflate_table() calls in inflate.c and infback.c. If the root table size is + changed, then these maximum sizes would be need to be recalculated and + updated. */ +#define ENOUGH_LENS 852 +#define ENOUGH_DISTS 592 +#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS) + +/* Type of code to build for inflate_table() */ +typedef enum { + CODES, + LENS, + DISTS +} codetype; + +int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens, + unsigned codes, code FAR * FAR *table, + unsigned FAR *bits, unsigned short FAR *work)); diff --git a/make_vms.com b/make_vms.com new file mode 100644 index 0000000..4dc8a89 --- /dev/null +++ b/make_vms.com @@ -0,0 +1,867 @@ +$! make libz under VMS written by +$! Martin P.J. Zinser +$! +$! In case of problems with the install you might contact me at +$! zinser@zinser.no-ip.info(preferred) or +$! martin.zinser@eurexchange.com (work) +$! +$! Make procedure history for Zlib +$! +$!------------------------------------------------------------------------------ +$! Version history +$! 0.01 20060120 First version to receive a number +$! 0.02 20061008 Adapt to new Makefile.in +$! 0.03 20091224 Add support for large file check +$! 0.04 20100110 Add new gzclose, gzlib, gzread, gzwrite +$! 0.05 20100221 Exchange zlibdefs.h by zconf.h.in +$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new examples +$! subdir path, update module search in makefile.in +$! 0.07 20120115 Triggered by work done by Alexey Chupahin completely redesigned +$! shared image creation +$! 0.08 20120219 Make it work on VAX again, pre-load missing symbols to shared +$! image +$! 0.09 20120305 SMS. P1 sets builder ("MMK", "MMS", " " (built-in)). +$! "" -> automatic, preference: MMK, MMS, built-in. +$! +$ on error then goto err_exit +$! +$ true = 1 +$ false = 0 +$ tmpnam = "temp_" + f$getjpi("","pid") +$ tt = tmpnam + ".txt" +$ tc = tmpnam + ".c" +$ th = tmpnam + ".h" +$ define/nolog tconfig 'th' +$ its_decc = false +$ its_vaxc = false +$ its_gnuc = false +$ s_case = False +$! +$! Setup variables holding "config" information +$! +$ Make = "''p1'" +$ name = "Zlib" +$ version = "?.?.?" +$ v_string = "ZLIB_VERSION" +$ v_file = "zlib.h" +$ ccopt = "/include = []" +$ lopts = "" +$ dnsrl = "" +$ aconf_in_file = "zconf.h.in#zconf.h_in#zconf_h.in" +$ conf_check_string = "" +$ linkonly = false +$ optfile = name + ".opt" +$ mapfile = name + ".map" +$ libdefs = "" +$ vax = f$getsyi("HW_MODEL").lt.1024 +$ axp = f$getsyi("HW_MODEL").ge.1024 .and. f$getsyi("HW_MODEL").lt.4096 +$ ia64 = f$getsyi("HW_MODEL").ge.4096 +$! +$! 2012-03-05 SMS. +$! Why is this needed? And if it is needed, why not simply ".not. vax"? +$! +$!!! if axp .or. ia64 then set proc/parse=extended +$! +$ whoami = f$parse(f$environment("Procedure"),,,,"NO_CONCEAL") +$ mydef = F$parse(whoami,,,"DEVICE") +$ mydir = f$parse(whoami,,,"DIRECTORY") - "][" +$ myproc = f$parse(whoami,,,"Name") + f$parse(whoami,,,"type") +$! +$! Check for MMK/MMS +$! +$ if (Make .eqs. "") +$ then +$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" +$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" +$ else +$ Make = f$edit( Make, "trim") +$ endif +$! +$ gosub find_version +$! +$ open/write topt tmp.opt +$ open/write optf 'optfile' +$! +$ gosub check_opts +$! +$! Look for the compiler used +$! +$ gosub check_compiler +$ close topt +$ close optf +$! +$ if its_decc +$ then +$ ccopt = "/prefix=all" + ccopt +$ if f$trnlnm("SYS") .eqs. "" +$ then +$ if axp +$ then +$ define sys sys$library: +$ else +$ ccopt = "/decc" + ccopt +$ define sys decc$library_include: +$ endif +$ endif +$! +$! 2012-03-05 SMS. +$! Why /NAMES = AS_IS? Why not simply ".not. vax"? And why not on VAX? +$! +$ if axp .or. ia64 +$ then +$ ccopt = ccopt + "/name=as_is/opt=(inline=speed)" +$ s_case = true +$ endif +$ endif +$ if its_vaxc .or. its_gnuc +$ then +$ if f$trnlnm("SYS").eqs."" then define sys sys$library: +$ endif +$! +$! Build a fake configure input header +$! +$ open/write conf_hin config.hin +$ write conf_hin "#undef _LARGEFILE64_SOURCE" +$ close conf_hin +$! +$! +$ i = 0 +$FIND_ACONF: +$ fname = f$element(i,"#",aconf_in_file) +$ if fname .eqs. "#" then goto AMISS_ERR +$ if f$search(fname) .eqs. "" +$ then +$ i = i + 1 +$ goto find_aconf +$ endif +$ open/read/err=aconf_err aconf_in 'fname' +$ open/write aconf zconf.h +$ACONF_LOOP: +$ read/end_of_file=aconf_exit aconf_in line +$ work = f$edit(line, "compress,trim") +$ if f$extract(0,6,work) .nes. "#undef" +$ then +$ if f$extract(0,12,work) .nes. "#cmakedefine" +$ then +$ write aconf line +$ endif +$ else +$ cdef = f$element(1," ",work) +$ gosub check_config +$ endif +$ goto aconf_loop +$ACONF_EXIT: +$ write aconf "" +$ write aconf "/* VMS specifics added by make_vms.com: */" +$ write aconf "#define VMS 1" +$ write aconf "#include " +$ write aconf "#include " +$ write aconf "#ifdef _LARGEFILE" +$ write aconf "# define off64_t __off64_t" +$ write aconf "# define fopen64 fopen" +$ write aconf "# define fseeko64 fseeko" +$ write aconf "# define lseek64 lseek" +$ write aconf "# define ftello64 ftell" +$ write aconf "#endif" +$ write aconf "#if !defined( __VAX) && (__CRTL_VER >= 70312000)" +$ write aconf "# define HAVE_VSNPRINTF" +$ write aconf "#endif" +$ close aconf_in +$ close aconf +$ if f$search("''th'") .nes. "" then delete 'th';* +$! Build the thing plain or with mms +$! +$ write sys$output "Compiling Zlib sources ..." +$ if make.eqs."" +$ then +$ if (f$search( "example.obj;*") .nes. "") then delete example.obj;* +$ if (f$search( "minigzip.obj;*") .nes. "") then delete minigzip.obj;* +$ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" - + adler32.c zlib.h zconf.h +$ CALL MAKE compress.OBJ "CC ''CCOPT' compress" - + compress.c zlib.h zconf.h +$ CALL MAKE crc32.OBJ "CC ''CCOPT' crc32" - + crc32.c zlib.h zconf.h +$ CALL MAKE deflate.OBJ "CC ''CCOPT' deflate" - + deflate.c deflate.h zutil.h zlib.h zconf.h +$ CALL MAKE gzclose.OBJ "CC ''CCOPT' gzclose" - + gzclose.c zutil.h zlib.h zconf.h +$ CALL MAKE gzlib.OBJ "CC ''CCOPT' gzlib" - + gzlib.c zutil.h zlib.h zconf.h +$ CALL MAKE gzread.OBJ "CC ''CCOPT' gzread" - + gzread.c zutil.h zlib.h zconf.h +$ CALL MAKE gzwrite.OBJ "CC ''CCOPT' gzwrite" - + gzwrite.c zutil.h zlib.h zconf.h +$ CALL MAKE infback.OBJ "CC ''CCOPT' infback" - + infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h +$ CALL MAKE inffast.OBJ "CC ''CCOPT' inffast" - + inffast.c zutil.h zlib.h zconf.h inffast.h +$ CALL MAKE inflate.OBJ "CC ''CCOPT' inflate" - + inflate.c zutil.h zlib.h zconf.h infblock.h +$ CALL MAKE inftrees.OBJ "CC ''CCOPT' inftrees" - + inftrees.c zutil.h zlib.h zconf.h inftrees.h +$ CALL MAKE trees.OBJ "CC ''CCOPT' trees" - + trees.c deflate.h zutil.h zlib.h zconf.h +$ CALL MAKE uncompr.OBJ "CC ''CCOPT' uncompr" - + uncompr.c zlib.h zconf.h +$ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" - + zutil.c zutil.h zlib.h zconf.h +$ write sys$output "Building Zlib ..." +$ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ +$ write sys$output "Building example..." +$ CALL MAKE example.OBJ "CC ''CCOPT' [.test]example" - + [.test]example.c zlib.h zconf.h +$ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb +$ write sys$output "Building minigzip..." +$ CALL MAKE minigzip.OBJ "CC ''CCOPT' [.test]minigzip" - + [.test]minigzip.c zlib.h zconf.h +$ call make minigzip.exe - + "LINK minigzip,libz.olb/lib" - + minigzip.obj libz.olb +$ else +$ gosub crea_mms +$ write sys$output "Make ''name' ''version' with ''Make' " +$ 'make' +$ endif +$! +$! Create shareable image +$! +$ gosub crea_olist +$ write sys$output "Creating libzshr.exe" +$ call map_2_shopt 'mapfile' 'optfile' +$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,'optfile'/opt +$ write sys$output "Zlib build completed" +$ delete/nolog tmp.opt;* +$ exit +$AMISS_ERR: +$ write sys$output "No source for config.hin found." +$ write sys$output "Tried any of ''aconf_in_file'" +$ goto err_exit +$CC_ERR: +$ write sys$output "C compiler required to build ''name'" +$ goto err_exit +$ERR_EXIT: +$ set message/facil/ident/sever/text +$ close/nolog optf +$ close/nolog topt +$ close/nolog aconf_in +$ close/nolog aconf +$ close/nolog out +$ close/nolog min +$ close/nolog mod +$ close/nolog h_in +$ write sys$output "Exiting..." +$ exit 2 +$! +$! +$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES +$ V = 'F$Verify(0) +$! P1 = What we are trying to make +$! P2 = Command to make it +$! P3 - P8 What it depends on +$ +$ If F$Search(P1) .Eqs. "" Then Goto Makeit +$ Time = F$CvTime(F$File(P1,"RDT")) +$arg=3 +$Loop: +$ Argument = P'arg +$ If Argument .Eqs. "" Then Goto Exit +$ El=0 +$Loop2: +$ File = F$Element(El," ",Argument) +$ If File .Eqs. " " Then Goto Endl +$ AFile = "" +$Loop3: +$ OFile = AFile +$ AFile = F$Search(File) +$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl +$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit +$ Goto Loop3 +$NextEL: +$ El = El + 1 +$ Goto Loop2 +$EndL: +$ arg=arg+1 +$ If arg .Le. 8 Then Goto Loop +$ Goto Exit +$ +$Makeit: +$ VV=F$VERIFY(0) +$ write sys$output P2 +$ 'P2 +$ VV='F$Verify(VV) +$Exit: +$ If V Then Set Verify +$ENDSUBROUTINE +$!------------------------------------------------------------------------------ +$! +$! Check command line options and set symbols accordingly +$! +$!------------------------------------------------------------------------------ +$! Version history +$! 0.01 20041206 First version to receive a number +$! 0.02 20060126 Add new "HELP" target +$ CHECK_OPTS: +$ i = 1 +$ OPT_LOOP: +$ if i .lt. 9 +$ then +$ cparm = f$edit(p'i',"upcase") +$! +$! Check if parameter actually contains something +$! +$ if f$edit(cparm,"trim") .nes. "" +$ then +$ if cparm .eqs. "DEBUG" +$ then +$ ccopt = ccopt + "/noopt/deb" +$ lopts = lopts + "/deb" +$ endif +$ if f$locate("CCOPT=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ ccopt = ccopt + f$extract(start,len,cparm) +$ if f$locate("AS_IS",f$edit(ccopt,"UPCASE")) .lt. f$length(ccopt) - + then s_case = true +$ endif +$ if cparm .eqs. "LINK" then linkonly = true +$ if f$locate("LOPTS=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ lopts = lopts + f$extract(start,len,cparm) +$ endif +$ if f$locate("CC=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ cc_com = f$extract(start,len,cparm) + if (cc_com .nes. "DECC") .and. - + (cc_com .nes. "VAXC") .and. - + (cc_com .nes. "GNUC") +$ then +$ write sys$output "Unsupported compiler choice ''cc_com' ignored" +$ write sys$output "Use DECC, VAXC, or GNUC instead" +$ else +$ if cc_com .eqs. "DECC" then its_decc = true +$ if cc_com .eqs. "VAXC" then its_vaxc = true +$ if cc_com .eqs. "GNUC" then its_gnuc = true +$ endif +$ endif +$ if f$locate("MAKE=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ mmks = f$extract(start,len,cparm) +$ if (mmks .eqs. "MMK") .or. (mmks .eqs. "MMS") +$ then +$ make = mmks +$ else +$ write sys$output "Unsupported make choice ''mmks' ignored" +$ write sys$output "Use MMK or MMS instead" +$ endif +$ endif +$ if cparm .eqs. "HELP" then gosub bhelp +$ endif +$ i = i + 1 +$ goto opt_loop +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Look for the compiler used +$! +$! Version history +$! 0.01 20040223 First version to receive a number +$! 0.02 20040229 Save/set value of decc$no_rooted_search_lists +$! 0.03 20060202 Extend handling of GNU C +$! 0.04 20090402 Compaq -> hp +$CHECK_COMPILER: +$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) +$ then +$ its_decc = (f$search("SYS$SYSTEM:DECC$COMPILER.EXE") .nes. "") +$ its_vaxc = .not. its_decc .and. (F$Search("SYS$System:VAXC.Exe") .nes. "") +$ its_gnuc = .not. (its_decc .or. its_vaxc) .and. (f$trnlnm("gnu_cc") .nes. "") +$ endif +$! +$! Exit if no compiler available +$! +$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) +$ then goto CC_ERR +$ else +$ if its_decc +$ then +$ write sys$output "CC compiler check ... hp C" +$ if f$trnlnm("decc$no_rooted_search_lists") .nes. "" +$ then +$ dnrsl = f$trnlnm("decc$no_rooted_search_lists") +$ endif +$ define/nolog decc$no_rooted_search_lists 1 +$ else +$ if its_vaxc then write sys$output "CC compiler check ... VAX C" +$ if its_gnuc +$ then +$ write sys$output "CC compiler check ... GNU C" +$ if f$trnlnm(topt) then write topt "gnu_cc:[000000]gcclib.olb/lib" +$ if f$trnlnm(optf) then write optf "gnu_cc:[000000]gcclib.olb/lib" +$ cc = "gcc" +$ endif +$ if f$trnlnm(topt) then write topt "sys$share:vaxcrtl.exe/share" +$ if f$trnlnm(optf) then write optf "sys$share:vaxcrtl.exe/share" +$ endif +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! If MMS/MMK are available dump out the descrip.mms if required +$! +$CREA_MMS: +$ write sys$output "Creating descrip.mms..." +$ create descrip.mms +$ open/append out descrip.mms +$ copy sys$input: out +$ deck +# descrip.mms: MMS description file for building zlib on VMS +# written by Martin P.J. Zinser +# + +OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\ + gzread.obj, gzwrite.obj, uncompr.obj, infback.obj\ + deflate.obj, trees.obj, zutil.obj, inflate.obj, \ + inftrees.obj, inffast.obj + +$ eod +$ write out "CFLAGS=", ccopt +$ write out "LOPTS=", lopts +$ write out "all : example.exe minigzip.exe libz.olb" +$ copy sys$input: out +$ deck + @ write sys$output " Example applications available" + +libz.olb : libz.olb($(OBJS)) + @ write sys$output " libz available" + +example.exe : example.obj libz.olb + link $(LOPTS) example,libz.olb/lib + +minigzip.exe : minigzip.obj libz.olb + link $(LOPTS) minigzip,libz.olb/lib + +clean : + delete *.obj;*,libz.olb;*,*.opt;*,*.exe;* + + +# Other dependencies. +adler32.obj : adler32.c zutil.h zlib.h zconf.h +compress.obj : compress.c zlib.h zconf.h +crc32.obj : crc32.c zutil.h zlib.h zconf.h +deflate.obj : deflate.c deflate.h zutil.h zlib.h zconf.h +example.obj : [.test]example.c zlib.h zconf.h +gzclose.obj : gzclose.c zutil.h zlib.h zconf.h +gzlib.obj : gzlib.c zutil.h zlib.h zconf.h +gzread.obj : gzread.c zutil.h zlib.h zconf.h +gzwrite.obj : gzwrite.c zutil.h zlib.h zconf.h +inffast.obj : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h +inflate.obj : inflate.c zutil.h zlib.h zconf.h +inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h +minigzip.obj : [.test]minigzip.c zlib.h zconf.h +trees.obj : trees.c deflate.h zutil.h zlib.h zconf.h +uncompr.obj : uncompr.c zlib.h zconf.h +zutil.obj : zutil.c zutil.h zlib.h zconf.h +infback.obj : infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h +$ eod +$ close out +$ return +$!------------------------------------------------------------------------------ +$! +$! Read list of core library sources from makefile.in and create options +$! needed to build shareable image +$! +$CREA_OLIST: +$ open/read min makefile.in +$ open/write mod modules.opt +$ src_check_list = "OBJZ =#OBJG =" +$MRLOOP: +$ read/end=mrdone min rec +$ i = 0 +$SRC_CHECK_LOOP: +$ src_check = f$element(i, "#", src_check_list) +$ i = i+1 +$ if src_check .eqs. "#" then goto mrloop +$ if (f$extract(0,6,rec) .nes. src_check) then goto src_check_loop +$ rec = rec - src_check +$ gosub extra_filnam +$ if (f$element(1,"\",rec) .eqs. "\") then goto mrloop +$MRSLOOP: +$ read/end=mrdone min rec +$ gosub extra_filnam +$ if (f$element(1,"\",rec) .nes. "\") then goto mrsloop +$MRDONE: +$ close min +$ close mod +$ return +$!------------------------------------------------------------------------------ +$! +$! Take record extracted in crea_olist and split it into single filenames +$! +$EXTRA_FILNAM: +$ myrec = f$edit(rec - "\", "trim,compress") +$ i = 0 +$FELOOP: +$ srcfil = f$element(i," ", myrec) +$ if (srcfil .nes. " ") +$ then +$ write mod f$parse(srcfil,,,"NAME"), ".obj" +$ i = i + 1 +$ goto feloop +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Find current Zlib version number +$! +$FIND_VERSION: +$ open/read h_in 'v_file' +$hloop: +$ read/end=hdone h_in rec +$ rec = f$edit(rec,"TRIM") +$ if (f$extract(0,1,rec) .nes. "#") then goto hloop +$ rec = f$edit(rec - "#", "TRIM") +$ if f$element(0," ",rec) .nes. "define" then goto hloop +$ if f$element(1," ",rec) .eqs. v_string +$ then +$ version = 'f$element(2," ",rec)' +$ goto hdone +$ endif +$ goto hloop +$hdone: +$ close h_in +$ return +$!------------------------------------------------------------------------------ +$! +$CHECK_CONFIG: +$! +$ in_ldef = f$locate(cdef,libdefs) +$ if (in_ldef .lt. f$length(libdefs)) +$ then +$ write aconf "#define ''cdef' 1" +$ libdefs = f$extract(0,in_ldef,libdefs) + - + f$extract(in_ldef + f$length(cdef) + 1, - + f$length(libdefs) - in_ldef - f$length(cdef) - 1, - + libdefs) +$ else +$ if (f$type('cdef') .eqs. "INTEGER") +$ then +$ write aconf "#define ''cdef' ", 'cdef' +$ else +$ if (f$type('cdef') .eqs. "STRING") +$ then +$ write aconf "#define ''cdef' ", """", '''cdef'', """" +$ else +$ gosub check_cc_def +$ endif +$ endif +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Check if this is a define relating to the properties of the C/C++ +$! compiler +$! +$ CHECK_CC_DEF: +$ if (cdef .eqs. "_LARGEFILE64_SOURCE") +$ then +$ copy sys$input: 'tc' +$ deck +#include "tconfig" +#define _LARGEFILE +#include + +int main(){ +FILE *fp; + fp = fopen("temp.txt","r"); + fseeko(fp,1,SEEK_SET); + fclose(fp); +} + +$ eod +$ test_inv = false +$ comm_h = false +$ gosub cc_prop_check +$ return +$ endif +$ write aconf "/* ", line, " */" +$ return +$!------------------------------------------------------------------------------ +$! +$! Check for properties of C/C++ compiler +$! +$! Version history +$! 0.01 20031020 First version to receive a number +$! 0.02 20031022 Added logic for defines with value +$! 0.03 20040309 Make sure local config file gets not deleted +$! 0.04 20041230 Also write include for configure run +$! 0.05 20050103 Add processing of "comment defines" +$CC_PROP_CHECK: +$ cc_prop = true +$ is_need = false +$ is_need = (f$extract(0,4,cdef) .eqs. "NEED") .or. (test_inv .eq. true) +$ if f$search(th) .eqs. "" then create 'th' +$ set message/nofac/noident/nosever/notext +$ on error then continue +$ cc 'tmpnam' +$ if .not. ($status) then cc_prop = false +$ on error then continue +$! The headers might lie about the capabilities of the RTL +$ link 'tmpnam',tmp.opt/opt +$ if .not. ($status) then cc_prop = false +$ set message/fac/ident/sever/text +$ on error then goto err_exit +$ delete/nolog 'tmpnam'.*;*/exclude='th' +$ if (cc_prop .and. .not. is_need) .or. - + (.not. cc_prop .and. is_need) +$ then +$ write sys$output "Checking for ''cdef'... yes" +$ if f$type('cdef_val'_yes) .nes. "" +$ then +$ if f$type('cdef_val'_yes) .eqs. "INTEGER" - + then call write_config f$fao("#define !AS !UL",cdef,'cdef_val'_yes) +$ if f$type('cdef_val'_yes) .eqs. "STRING" - + then call write_config f$fao("#define !AS !AS",cdef,'cdef_val'_yes) +$ else +$ call write_config f$fao("#define !AS 1",cdef) +$ endif +$ if (cdef .eqs. "HAVE_FSEEKO") .or. (cdef .eqs. "_LARGE_FILES") .or. - + (cdef .eqs. "_LARGEFILE64_SOURCE") then - + call write_config f$string("#define _LARGEFILE 1") +$ else +$ write sys$output "Checking for ''cdef'... no" +$ if (comm_h) +$ then + call write_config f$fao("/* !AS */",line) +$ else +$ if f$type('cdef_val'_no) .nes. "" +$ then +$ if f$type('cdef_val'_no) .eqs. "INTEGER" - + then call write_config f$fao("#define !AS !UL",cdef,'cdef_val'_no) +$ if f$type('cdef_val'_no) .eqs. "STRING" - + then call write_config f$fao("#define !AS !AS",cdef,'cdef_val'_no) +$ else +$ call write_config f$fao("#undef !AS",cdef) +$ endif +$ endif +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Check for properties of C/C++ compiler with multiple result values +$! +$! Version history +$! 0.01 20040127 First version +$! 0.02 20050103 Reconcile changes from cc_prop up to version 0.05 +$CC_MPROP_CHECK: +$ cc_prop = true +$ i = 1 +$ idel = 1 +$ MT_LOOP: +$ if f$type(result_'i') .eqs. "STRING" +$ then +$ set message/nofac/noident/nosever/notext +$ on error then continue +$ cc 'tmpnam'_'i' +$ if .not. ($status) then cc_prop = false +$ on error then continue +$! The headers might lie about the capabilities of the RTL +$ link 'tmpnam'_'i',tmp.opt/opt +$ if .not. ($status) then cc_prop = false +$ set message/fac/ident/sever/text +$ on error then goto err_exit +$ delete/nolog 'tmpnam'_'i'.*;* +$ if (cc_prop) +$ then +$ write sys$output "Checking for ''cdef'... ", mdef_'i' +$ if f$type(mdef_'i') .eqs. "INTEGER" - + then call write_config f$fao("#define !AS !UL",cdef,mdef_'i') +$ if f$type('cdef_val'_yes) .eqs. "STRING" - + then call write_config f$fao("#define !AS !AS",cdef,mdef_'i') +$ goto msym_clean +$ else +$ i = i + 1 +$ goto mt_loop +$ endif +$ endif +$ write sys$output "Checking for ''cdef'... no" +$ call write_config f$fao("#undef !AS",cdef) +$ MSYM_CLEAN: +$ if (idel .le. msym_max) +$ then +$ delete/sym mdef_'idel' +$ idel = idel + 1 +$ goto msym_clean +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Write configuration to both permanent and temporary config file +$! +$! Version history +$! 0.01 20031029 First version to receive a number +$! +$WRITE_CONFIG: SUBROUTINE +$ write aconf 'p1' +$ open/append confh 'th' +$ write confh 'p1' +$ close confh +$ENDSUBROUTINE +$!------------------------------------------------------------------------------ +$! +$! Analyze the project map file and create the symbol vector for a shareable +$! image from it +$! +$! Version history +$! 0.01 20120128 First version +$! 0.02 20120226 Add pre-load logic +$! +$ MAP_2_SHOPT: Subroutine +$! +$ SAY := "WRITE_ SYS$OUTPUT" +$! +$ IF F$SEARCH("''P1'") .EQS. "" +$ THEN +$ SAY "MAP_2_SHOPT-E-NOSUCHFILE: Error, inputfile ''p1' not available" +$ goto exit_m2s +$ ENDIF +$ IF "''P2'" .EQS. "" +$ THEN +$ SAY "MAP_2_SHOPT: Error, no output file provided" +$ goto exit_m2s +$ ENDIF +$! +$ module1 = "deflate#deflateEnd#deflateInit_#deflateParams#deflateSetDictionary" +$ module2 = "gzclose#gzerror#gzgetc#gzgets#gzopen#gzprintf#gzputc#gzputs#gzread" +$ module3 = "gzseek#gztell#inflate#inflateEnd#inflateInit_#inflateSetDictionary" +$ module4 = "inflateSync#uncompress#zlibVersion#compress" +$ open/read map 'p1 +$ if axp .or. ia64 +$ then +$ open/write aopt a.opt +$ open/write bopt b.opt +$ write aopt " CASE_SENSITIVE=YES" +$ write bopt "SYMBOL_VECTOR= (-" +$ mod_sym_num = 1 +$ MOD_SYM_LOOP: +$ if f$type(module'mod_sym_num') .nes. "" +$ then +$ mod_in = 0 +$ MOD_SYM_IN: +$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') +$ if shared_proc .nes. "#" +$ then +$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- + f$edit(shared_proc,"upcase"),shared_proc) +$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) +$ mod_in = mod_in + 1 +$ goto mod_sym_in +$ endif +$ mod_sym_num = mod_sym_num + 1 +$ goto mod_sym_loop +$ endif +$MAP_LOOP: +$ read/end=map_end map line +$ if (f$locate("{",line).lt. f$length(line)) .or. - + (f$locate("global:", line) .lt. f$length(line)) +$ then +$ proc = true +$ goto map_loop +$ endif +$ if f$locate("}",line).lt. f$length(line) then proc = false +$ if f$locate("local:", line) .lt. f$length(line) then proc = false +$ if proc +$ then +$ shared_proc = f$edit(line,"collapse") +$ chop_semi = f$locate(";", shared_proc) +$ if chop_semi .lt. f$length(shared_proc) then - + shared_proc = f$extract(0, chop_semi, shared_proc) +$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- + f$edit(shared_proc,"upcase"),shared_proc) +$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) +$ endif +$ goto map_loop +$MAP_END: +$ close/nolog aopt +$ close/nolog bopt +$ open/append libopt 'p2' +$ open/read aopt a.opt +$ open/read bopt b.opt +$ALOOP: +$ read/end=aloop_end aopt line +$ write libopt line +$ goto aloop +$ALOOP_END: +$ close/nolog aopt +$ sv = "" +$BLOOP: +$ read/end=bloop_end bopt svn +$ if (svn.nes."") +$ then +$ if (sv.nes."") then write libopt sv +$ sv = svn +$ endif +$ goto bloop +$BLOOP_END: +$ write libopt f$extract(0,f$length(sv)-2,sv), "-" +$ write libopt ")" +$ close/nolog bopt +$ delete/nolog/noconf a.opt;*,b.opt;* +$ else +$ if vax +$ then +$ open/append libopt 'p2' +$ mod_sym_num = 1 +$ VMOD_SYM_LOOP: +$ if f$type(module'mod_sym_num') .nes. "" +$ then +$ mod_in = 0 +$ VMOD_SYM_IN: +$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') +$ if shared_proc .nes. "#" +$ then +$ write libopt f$fao("UNIVERSAL=!AS",- + f$edit(shared_proc,"upcase")) +$ mod_in = mod_in + 1 +$ goto vmod_sym_in +$ endif +$ mod_sym_num = mod_sym_num + 1 +$ goto vmod_sym_loop +$ endif +$VMAP_LOOP: +$ read/end=vmap_end map line +$ if (f$locate("{",line).lt. f$length(line)) .or. - + (f$locate("global:", line) .lt. f$length(line)) +$ then +$ proc = true +$ goto vmap_loop +$ endif +$ if f$locate("}",line).lt. f$length(line) then proc = false +$ if f$locate("local:", line) .lt. f$length(line) then proc = false +$ if proc +$ then +$ shared_proc = f$edit(line,"collapse") +$ chop_semi = f$locate(";", shared_proc) +$ if chop_semi .lt. f$length(shared_proc) then - + shared_proc = f$extract(0, chop_semi, shared_proc) +$ write libopt f$fao("UNIVERSAL=!AS",- + f$edit(shared_proc,"upcase")) +$ endif +$ goto vmap_loop +$VMAP_END: +$ else +$ write sys$output "Unknown Architecture (Not VAX, AXP, or IA64)" +$ write sys$output "No options file created" +$ endif +$ endif +$ EXIT_M2S: +$ close/nolog map +$ close/nolog libopt +$ endsubroutine diff --git a/msdos/Makefile.bor b/msdos/Makefile.bor new file mode 100644 index 0000000..3d12a2c --- /dev/null +++ b/msdos/Makefile.bor @@ -0,0 +1,115 @@ +# Makefile for zlib +# Borland C++ +# Last updated: 15-Mar-2003 + +# To use, do "make -fmakefile.bor" +# To compile in small model, set below: MODEL=s + +# WARNING: the small model is supported but only for small values of +# MAX_WBITS and MAX_MEM_LEVEL. For example: +# -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3 +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to the LOC macro below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------ Turbo C++, Borland C++ ------------ + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added +# to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +# type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. +CPU_TYP = 0 + +# memory model: one of s, m, c, l (small, medium, compact, large) +MODEL=l + +# replace bcc with tcc for Turbo C++ 1.0, with bcc32 for the 32 bit version +CC=bcc +LD=bcc +AR=tlib + +# compiler flags +# replace "-O2" by "-O -G -a -d" for Turbo C++ 1.0 +CFLAGS=-O2 -Z -m$(MODEL) $(LOC) + +LDFLAGS=-m$(MODEL) -f- + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj +OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + +minigzip.obj: test/minigzip.c zlib.h zconf.h + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del zlib_*.bak + -del foo.gz diff --git a/msdos/Makefile.dj2 b/msdos/Makefile.dj2 new file mode 100644 index 0000000..59d2037 --- /dev/null +++ b/msdos/Makefile.dj2 @@ -0,0 +1,104 @@ +# Makefile for zlib. Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.dj2; make test -fmakefile.dj2 +# +# To install libz.a, zconf.h and zlib.h in the djgpp directories, type: +# +# make install -fmakefile.dj2 +# +# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as +# in the sample below if the pattern of the DJGPP distribution is to +# be followed. Remember that, while 'es around <=> are ignored in +# makefiles, they are *not* in batch files or in djgpp.env. +# - - - - - +# [make] +# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include +# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib +# BUTT=-m486 +# - - - - - +# Alternately, these variables may be defined below, overriding the values +# in djgpp.env, as +# INCLUDE_PATH=c:\usr\include +# LIBRARY_PATH=c:\usr\lib + +CC=gcc + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DZLIB_DEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lz +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=libz.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ + uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o + +OBJA = +# to use the asm code: make OBJA=match.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +check: test +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +libz.a: $(OBJS) $(OBJA) + $(AR) $@ $(OBJS) $(OBJA) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + +# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env . + +.PHONY : uninstall clean + +install: $(INCL) $(LIBS) + -@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH) + -@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH) + $(INSTALL) zlib.h $(INCLUDE_PATH) + $(INSTALL) zconf.h $(INCLUDE_PATH) + $(INSTALL) libz.a $(LIBRARY_PATH) + +uninstall: + $(RM) $(INCLUDE_PATH)\zlib.h + $(RM) $(INCLUDE_PATH)\zconf.h + $(RM) $(LIBRARY_PATH)\libz.a + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) libz.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/msdos/Makefile.emx b/msdos/Makefile.emx new file mode 100644 index 0000000..e30f67b --- /dev/null +++ b/msdos/Makefile.emx @@ -0,0 +1,69 @@ +# Makefile for zlib. Modified for emx 0.9c by Chr. Spieler, 6/17/98. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.emx; make test -fmakefile.emx +# + +CC=gcc + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DZLIB_DEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lzlib +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=zlib.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ + uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +zlib.a: $(OBJS) + $(AR) $@ $(OBJS) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + + +.PHONY : clean + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) zlib.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/msdos/Makefile.msc b/msdos/Makefile.msc new file mode 100644 index 0000000..ae83786 --- /dev/null +++ b/msdos/Makefile.msc @@ -0,0 +1,112 @@ +# Makefile for zlib +# Microsoft C 5.1 or later +# Last updated: 19-Mar-2003 + +# To use, do "make makefile.msc" +# To compile in small model, set below: MODEL=S + +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to the LOC macro below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------- Microsoft C 5.1 and later ------------- + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added +# to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. +CPU_TYP = 0 + +# Memory model: one of S, M, C, L (small, medium, compact, large) +MODEL=L + +CC=cl +CFLAGS=-nologo -A$(MODEL) -G$(CPU_TYP) -W3 -Oait -Gs $(LOC) +#-Ox generates bad code with MSC 5.1 +LIB_CFLAGS=-Zl $(CFLAGS) + +LD=link +LDFLAGS=/noi/e/st:0x1500/noe/farcall/packcode +# "/farcall/packcode" are only useful for `large code' memory models +# but should be a "no-op" for small code models. + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(LIB_CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + $(CC) -c $(CFLAGS) $*.c + +minigzip.obj: test/minigzip.c zlib.h zconf.h + $(CC) -c $(CFLAGS) $*.c + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + if exist $(ZLIB_LIB) del $(ZLIB_LIB) + lib $(ZLIB_LIB) $(OBJ1); + lib $(ZLIB_LIB) $(OBJ2); + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj,,,$(ZLIB_LIB); + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj,,,$(ZLIB_LIB); + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del *.map + -del zlib_*.bak + -del foo.gz diff --git a/msdos/Makefile.tc b/msdos/Makefile.tc new file mode 100644 index 0000000..5aec82a --- /dev/null +++ b/msdos/Makefile.tc @@ -0,0 +1,100 @@ +# Makefile for zlib +# Turbo C 2.01, Turbo C++ 1.01 +# Last updated: 15-Mar-2003 + +# To use, do "make -fmakefile.tc" +# To compile in small model, set below: MODEL=s + +# WARNING: the small model is supported but only for small values of +# MAX_WBITS and MAX_MEM_LEVEL. For example: +# -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to CFLAGS below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------ Turbo C 2.01, Turbo C++ 1.01 ------------ +MODEL=l +CC=tcc +LD=tcc +AR=tlib +# CFLAGS=-O2 -G -Z -m$(MODEL) -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 +CFLAGS=-O2 -G -Z -m$(MODEL) +LDFLAGS=-m$(MODEL) -f- + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj +OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + +minigzip.obj: test/minigzip.c zlib.h zconf.h + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del zlib_*.bak + -del foo.gz diff --git a/nintendods/Makefile b/nintendods/Makefile new file mode 100644 index 0000000..21337d0 --- /dev/null +++ b/nintendods/Makefile @@ -0,0 +1,126 @@ +#--------------------------------------------------------------------------------- +.SUFFIXES: +#--------------------------------------------------------------------------------- + +ifeq ($(strip $(DEVKITARM)),) +$(error "Please set DEVKITARM in your environment. export DEVKITARM=devkitARM") +endif + +include $(DEVKITARM)/ds_rules + +#--------------------------------------------------------------------------------- +# TARGET is the name of the output +# BUILD is the directory where object files & intermediate files will be placed +# SOURCES is a list of directories containing source code +# DATA is a list of directories containing data files +# INCLUDES is a list of directories containing header files +#--------------------------------------------------------------------------------- +TARGET := $(shell basename $(CURDIR)) +BUILD := build +SOURCES := ../../ +DATA := data +INCLUDES := include + +#--------------------------------------------------------------------------------- +# options for code generation +#--------------------------------------------------------------------------------- +ARCH := -mthumb -mthumb-interwork + +CFLAGS := -Wall -O2\ + -march=armv5te -mtune=arm946e-s \ + -fomit-frame-pointer -ffast-math \ + $(ARCH) + +CFLAGS += $(INCLUDE) -DARM9 +CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions + +ASFLAGS := $(ARCH) -march=armv5te -mtune=arm946e-s +LDFLAGS = -specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) + +#--------------------------------------------------------------------------------- +# list of directories containing libraries, this must be the top level containing +# include and lib +#--------------------------------------------------------------------------------- +LIBDIRS := $(LIBNDS) + +#--------------------------------------------------------------------------------- +# no real need to edit anything past this point unless you need to add additional +# rules for different file extensions +#--------------------------------------------------------------------------------- +ifneq ($(BUILD),$(notdir $(CURDIR))) +#--------------------------------------------------------------------------------- + +export OUTPUT := $(CURDIR)/lib/libz.a + +export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \ + $(foreach dir,$(DATA),$(CURDIR)/$(dir)) + +export DEPSDIR := $(CURDIR)/$(BUILD) + +CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c))) +CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp))) +SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s))) +BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) + +#--------------------------------------------------------------------------------- +# use CXX for linking C++ projects, CC for standard C +#--------------------------------------------------------------------------------- +ifeq ($(strip $(CPPFILES)),) +#--------------------------------------------------------------------------------- + export LD := $(CC) +#--------------------------------------------------------------------------------- +else +#--------------------------------------------------------------------------------- + export LD := $(CXX) +#--------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------- + +export OFILES := $(addsuffix .o,$(BINFILES)) \ + $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) + +export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ + $(foreach dir,$(LIBDIRS),-I$(dir)/include) \ + -I$(CURDIR)/$(BUILD) + +.PHONY: $(BUILD) clean all + +#--------------------------------------------------------------------------------- +all: $(BUILD) + @[ -d $@ ] || mkdir -p include + @cp ../../*.h include + +lib: + @[ -d $@ ] || mkdir -p $@ + +$(BUILD): lib + @[ -d $@ ] || mkdir -p $@ + @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile + +#--------------------------------------------------------------------------------- +clean: + @echo clean ... + @rm -fr $(BUILD) lib + +#--------------------------------------------------------------------------------- +else + +DEPENDS := $(OFILES:.o=.d) + +#--------------------------------------------------------------------------------- +# main targets +#--------------------------------------------------------------------------------- +$(OUTPUT) : $(OFILES) + +#--------------------------------------------------------------------------------- +%.bin.o : %.bin +#--------------------------------------------------------------------------------- + @echo $(notdir $<) + @$(bin2o) + + +-include $(DEPENDS) + +#--------------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------------- diff --git a/nintendods/README b/nintendods/README new file mode 100644 index 0000000..ba7a37d --- /dev/null +++ b/nintendods/README @@ -0,0 +1,5 @@ +This Makefile requires devkitARM (http://www.devkitpro.org/category/devkitarm/) and works inside "contrib/nds". It is based on a devkitARM template. + +Eduardo Costa +January 3, 2009 + diff --git a/old/Makefile.emx b/old/Makefile.emx new file mode 100644 index 0000000..612b037 --- /dev/null +++ b/old/Makefile.emx @@ -0,0 +1,69 @@ +# Makefile for zlib. Modified for emx/rsxnt by Chr. Spieler, 6/16/98. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.emx; make test -fmakefile.emx +# + +CC=gcc -Zwin32 + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DZLIB_DEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lzlib +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=zlib.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \ + gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +zlib.a: $(OBJS) + $(AR) $@ $(OBJS) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + + +.PHONY : clean + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) zlib.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/old/Makefile.riscos b/old/Makefile.riscos new file mode 100644 index 0000000..57e29d3 --- /dev/null +++ b/old/Makefile.riscos @@ -0,0 +1,151 @@ +# Project: zlib_1_03 +# Patched for zlib 1.1.2 rw@shadow.org.uk 19980430 +# test works out-of-the-box, installs `somewhere' on demand + +# Toolflags: +CCflags = -c -depend !Depend -IC: -g -throwback -DRISCOS -fah +C++flags = -c -depend !Depend -IC: -throwback +Linkflags = -aif -c++ -o $@ +ObjAsmflags = -throwback -NoCache -depend !Depend +CMHGflags = +LibFileflags = -c -l -o $@ +Squeezeflags = -o $@ + +# change the line below to where _you_ want the library installed. +libdest = lib:zlib + +# Final targets: +@.lib: @.o.adler32 @.o.compress @.o.crc32 @.o.deflate @.o.gzio \ + @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil @.o.trees \ + @.o.uncompr @.o.zutil + LibFile $(LibFileflags) @.o.adler32 @.o.compress @.o.crc32 @.o.deflate \ + @.o.gzio @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil \ + @.o.trees @.o.uncompr @.o.zutil +test: @.minigzip @.example @.lib + @copy @.lib @.libc A~C~DF~L~N~P~Q~RS~TV + @echo running tests: hang on. + @/@.minigzip -f -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -f -1 libc + @/@.minigzip -d libc-gz + @/@.minigzip -h -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -h -1 libc + @/@.minigzip -d libc-gz + @/@.minigzip -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -1 libc + @/@.minigzip -d libc-gz + @diff @.lib @.libc + @echo that should have reported '@.lib and @.libc identical' if you have diff. + @/@.example @.fred @.fred + @echo that will have given lots of hello!'s. + +@.minigzip: @.o.minigzip @.lib C:o.Stubs + Link $(Linkflags) @.o.minigzip @.lib C:o.Stubs +@.example: @.o.example @.lib C:o.Stubs + Link $(Linkflags) @.o.example @.lib C:o.Stubs + +install: @.lib + cdir $(libdest) + cdir $(libdest).h + @copy @.h.zlib $(libdest).h.zlib A~C~DF~L~N~P~Q~RS~TV + @copy @.h.zconf $(libdest).h.zconf A~C~DF~L~N~P~Q~RS~TV + @copy @.lib $(libdest).lib A~C~DF~L~N~P~Q~RS~TV + @echo okay, installed zlib in $(libdest) + +clean:; remove @.minigzip + remove @.example + remove @.libc + -wipe @.o.* F~r~cV + remove @.fred + +# User-editable dependencies: +.c.o: + cc $(ccflags) -o $@ $< + +# Static dependencies: + +# Dynamic dependencies: +o.example: c.example +o.example: h.zlib +o.example: h.zconf +o.minigzip: c.minigzip +o.minigzip: h.zlib +o.minigzip: h.zconf +o.adler32: c.adler32 +o.adler32: h.zlib +o.adler32: h.zconf +o.compress: c.compress +o.compress: h.zlib +o.compress: h.zconf +o.crc32: c.crc32 +o.crc32: h.zlib +o.crc32: h.zconf +o.deflate: c.deflate +o.deflate: h.deflate +o.deflate: h.zutil +o.deflate: h.zlib +o.deflate: h.zconf +o.gzio: c.gzio +o.gzio: h.zutil +o.gzio: h.zlib +o.gzio: h.zconf +o.infblock: c.infblock +o.infblock: h.zutil +o.infblock: h.zlib +o.infblock: h.zconf +o.infblock: h.infblock +o.infblock: h.inftrees +o.infblock: h.infcodes +o.infblock: h.infutil +o.infcodes: c.infcodes +o.infcodes: h.zutil +o.infcodes: h.zlib +o.infcodes: h.zconf +o.infcodes: h.inftrees +o.infcodes: h.infblock +o.infcodes: h.infcodes +o.infcodes: h.infutil +o.infcodes: h.inffast +o.inffast: c.inffast +o.inffast: h.zutil +o.inffast: h.zlib +o.inffast: h.zconf +o.inffast: h.inftrees +o.inffast: h.infblock +o.inffast: h.infcodes +o.inffast: h.infutil +o.inffast: h.inffast +o.inflate: c.inflate +o.inflate: h.zutil +o.inflate: h.zlib +o.inflate: h.zconf +o.inflate: h.infblock +o.inftrees: c.inftrees +o.inftrees: h.zutil +o.inftrees: h.zlib +o.inftrees: h.zconf +o.inftrees: h.inftrees +o.inftrees: h.inffixed +o.infutil: c.infutil +o.infutil: h.zutil +o.infutil: h.zlib +o.infutil: h.zconf +o.infutil: h.infblock +o.infutil: h.inftrees +o.infutil: h.infcodes +o.infutil: h.infutil +o.trees: c.trees +o.trees: h.deflate +o.trees: h.zutil +o.trees: h.zlib +o.trees: h.zconf +o.trees: h.trees +o.uncompr: c.uncompr +o.uncompr: h.zlib +o.uncompr: h.zconf +o.zutil: c.zutil +o.zutil: h.zutil +o.zutil: h.zlib +o.zutil: h.zconf diff --git a/old/README b/old/README new file mode 100644 index 0000000..800bf07 --- /dev/null +++ b/old/README @@ -0,0 +1,3 @@ +This directory contains files that have not been updated for zlib 1.2.x + +(Volunteers are encouraged to help clean this up. Thanks.) diff --git a/old/descrip.mms b/old/descrip.mms new file mode 100644 index 0000000..7066da5 --- /dev/null +++ b/old/descrip.mms @@ -0,0 +1,48 @@ +# descrip.mms: MMS description file for building zlib on VMS +# written by Martin P.J. Zinser + +cc_defs = +c_deb = + +.ifdef __DECC__ +pref = /prefix=all +.endif + +OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj,\ + deflate.obj, trees.obj, zutil.obj, inflate.obj, infblock.obj,\ + inftrees.obj, infcodes.obj, infutil.obj, inffast.obj + +CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF) + +all : example.exe minigzip.exe + @ write sys$output " Example applications available" +libz.olb : libz.olb($(OBJS)) + @ write sys$output " libz available" + +example.exe : example.obj libz.olb + link example,libz.olb/lib + +minigzip.exe : minigzip.obj libz.olb + link minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib + +clean : + delete *.obj;*,libz.olb;* + + +# Other dependencies. +adler32.obj : zutil.h zlib.h zconf.h +compress.obj : zlib.h zconf.h +crc32.obj : zutil.h zlib.h zconf.h +deflate.obj : deflate.h zutil.h zlib.h zconf.h +example.obj : zlib.h zconf.h +gzio.obj : zutil.h zlib.h zconf.h +infblock.obj : zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h +infcodes.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h +inffast.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h +inflate.obj : zutil.h zlib.h zconf.h infblock.h +inftrees.obj : zutil.h zlib.h zconf.h inftrees.h +infutil.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h +minigzip.obj : zlib.h zconf.h +trees.obj : deflate.h zutil.h zlib.h zconf.h +uncompr.obj : zlib.h zconf.h +zutil.obj : zutil.h zlib.h zconf.h diff --git a/old/os2/Makefile.os2 b/old/os2/Makefile.os2 new file mode 100644 index 0000000..bb426c0 --- /dev/null +++ b/old/os2/Makefile.os2 @@ -0,0 +1,136 @@ +# Makefile for zlib under OS/2 using GCC (PGCC) +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile and test, type: +# cp Makefile.os2 .. +# cd .. +# make -f Makefile.os2 test + +# This makefile will build a static library z.lib, a shared library +# z.dll and a import library zdll.lib. You can use either z.lib or +# zdll.lib by specifying either -lz or -lzdll on gcc's command line + +CC=gcc -Zomf -s + +CFLAGS=-O6 -Wall +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-g -DZLIB_DEBUG +#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ +# -Wstrict-prototypes -Wmissing-prototypes + +#################### BUG WARNING: ##################### +## infcodes.c hits a bug in pgcc-1.0, so you have to use either +## -O# where # <= 4 or one of (-fno-ommit-frame-pointer or -fno-force-mem) +## This bug is reportedly fixed in pgcc >1.0, but this was not tested +CFLAGS+=-fno-force-mem + +LDFLAGS=-s -L. -lzdll -Zcrtdll +LDSHARED=$(CC) -s -Zomf -Zdll -Zcrtdll + +VER=1.1.0 +ZLIB=z.lib +SHAREDLIB=z.dll +SHAREDLIBIMP=zdll.lib +LIBS=$(ZLIB) $(SHAREDLIB) $(SHAREDLIBIMP) + +AR=emxomfar cr +IMPLIB=emximp +RANLIB=echo +TAR=tar +SHELL=bash + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o + +TEST_OBJS = example.o minigzip.o + +DISTFILES = README INDEX ChangeLog configure Make*[a-z0-9] *.[ch] descrip.mms \ + algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \ + nt/Makefile.nt nt/zlib.dnt contrib/README.contrib contrib/*.txt \ + contrib/asm386/*.asm contrib/asm386/*.c \ + contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/iostream/*.cpp \ + contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \ + contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 + +all: example.exe minigzip.exe + +test: all + @LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \ + echo hello world | ./minigzip | ./minigzip -d || \ + echo ' *** minigzip test FAILED ***' ; \ + if ./example; then \ + echo ' *** zlib test OK ***'; \ + else \ + echo ' *** zlib test FAILED ***'; \ + fi + +$(ZLIB): $(OBJS) + $(AR) $@ $(OBJS) + -@ ($(RANLIB) $@ || true) >/dev/null 2>&1 + +$(SHAREDLIB): $(OBJS) os2/z.def + $(LDSHARED) -o $@ $^ + +$(SHAREDLIBIMP): os2/z.def + $(IMPLIB) -o $@ $^ + +example.exe: example.o $(LIBS) + $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS) + +minigzip.exe: minigzip.o $(LIBS) + $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS) + +clean: + rm -f *.o *~ example minigzip libz.a libz.so* foo.gz + +distclean: clean + +zip: + mv Makefile Makefile~; cp -p Makefile.in Makefile + rm -f test.c ztest*.c + v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ + zip -ul9 zlib$$v $(DISTFILES) + mv Makefile~ Makefile + +dist: + mv Makefile Makefile~; cp -p Makefile.in Makefile + rm -f test.c ztest*.c + d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ + rm -f $$d.tar.gz; \ + if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \ + files=""; \ + for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \ + cd ..; \ + GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \ + if test ! -d $$d; then rm -f $$d; fi + mv Makefile~ Makefile + +tags: + etags *.[ch] + +depend: + makedepend -- $(CFLAGS) -- *.[ch] + +# DO NOT DELETE THIS LINE -- make depend depends on it. + +adler32.o: zlib.h zconf.h +compress.o: zlib.h zconf.h +crc32.o: zlib.h zconf.h +deflate.o: deflate.h zutil.h zlib.h zconf.h +example.o: zlib.h zconf.h +gzio.o: zutil.h zlib.h zconf.h +infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h +infcodes.o: zutil.h zlib.h zconf.h +infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h +inffast.o: zutil.h zlib.h zconf.h inftrees.h +inffast.o: infblock.h infcodes.h infutil.h inffast.h +inflate.o: zutil.h zlib.h zconf.h infblock.h +inftrees.o: zutil.h zlib.h zconf.h inftrees.h +infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h +minigzip.o: zlib.h zconf.h +trees.o: deflate.h zutil.h zlib.h zconf.h trees.h +uncompr.o: zlib.h zconf.h +zutil.o: zutil.h zlib.h zconf.h diff --git a/old/os2/zlib.def b/old/os2/zlib.def new file mode 100644 index 0000000..4c753f1 --- /dev/null +++ b/old/os2/zlib.def @@ -0,0 +1,51 @@ +; +; Slightly modified version of ../nt/zlib.dnt :-) +; + +LIBRARY Z +DESCRIPTION "Zlib compression library for OS/2" +CODE PRELOAD MOVEABLE DISCARDABLE +DATA PRELOAD MOVEABLE MULTIPLE + +EXPORTS + adler32 + compress + crc32 + deflate + deflateCopy + deflateEnd + deflateInit2_ + deflateInit_ + deflateParams + deflateReset + deflateSetDictionary + gzclose + gzdopen + gzerror + gzflush + gzopen + gzread + gzwrite + inflate + inflateEnd + inflateInit2_ + inflateInit_ + inflateReset + inflateSetDictionary + inflateSync + uncompress + zlibVersion + gzprintf + gzputc + gzgetc + gzseek + gzrewind + gztell + gzeof + gzsetparams + zError + inflateSyncPoint + get_crc_table + compress2 + gzputs + gzgets diff --git a/old/visual-basic.txt b/old/visual-basic.txt new file mode 100644 index 0000000..57efe58 --- /dev/null +++ b/old/visual-basic.txt @@ -0,0 +1,160 @@ +See below some functions declarations for Visual Basic. + +Frequently Asked Question: + +Q: Each time I use the compress function I get the -5 error (not enough + room in the output buffer). + +A: Make sure that the length of the compressed buffer is passed by + reference ("as any"), not by value ("as long"). Also check that + before the call of compress this length is equal to the total size of + the compressed buffer and not zero. + + +From: "Jon Caruana" +Subject: Re: How to port zlib declares to vb? +Date: Mon, 28 Oct 1996 18:33:03 -0600 + +Got the answer! (I haven't had time to check this but it's what I got, and +looks correct): + +He has the following routines working: + compress + uncompress + gzopen + gzwrite + gzread + gzclose + +Declares follow: (Quoted from Carlos Rios , in Vb4 form) + +#If Win16 Then 'Use Win16 calls. +Declare Function compress Lib "ZLIB.DLL" (ByVal compr As + String, comprLen As Any, ByVal buf As String, ByVal buflen + As Long) As Integer +Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr + As String, uncomprLen As Any, ByVal compr As String, ByVal + lcompr As Long) As Integer +Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As + String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As + Long) As Integer +#Else +Declare Function compress Lib "ZLIB32.DLL" + (ByVal compr As String, comprLen As Any, ByVal buf As + String, ByVal buflen As Long) As Integer +Declare Function uncompress Lib "ZLIB32.DLL" + (ByVal uncompr As String, uncomprLen As Any, ByVal compr As + String, ByVal lcompr As Long) As Long +Declare Function gzopen Lib "ZLIB32.DLL" + (ByVal file As String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzwrite Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzclose Lib "ZLIB32.DLL" + (ByVal file As Long) As Long +#End If + +-Jon Caruana +jon-net@usa.net +Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member + + +Here is another example from Michael that he +says conforms to the VB guidelines, and that solves the problem of not +knowing the uncompressed size by storing it at the end of the file: + +'Calling the functions: +'bracket meaning: [optional] {Range of possible values} +'Call subCompressFile( [, , [level of compression {1..9}]]) +'Call subUncompressFile() + +Option Explicit +Private lngpvtPcnSml As Long 'Stores value for 'lngPercentSmaller' +Private Const SUCCESS As Long = 0 +Private Const strFilExt As String = ".cpr" +Private Declare Function lngfncCpr Lib "zlib.dll" Alias "compress2" (ByRef +dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long, +ByVal level As Integer) As Long +Private Declare Function lngfncUcp Lib "zlib.dll" Alias "uncompress" (ByRef +dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long) +As Long + +Public Sub subCompressFile(ByVal strargOriFilPth As String, Optional ByVal +strargCprFilPth As String, Optional ByVal intLvl As Integer = 9) + Dim strCprPth As String + Dim lngOriSiz As Long + Dim lngCprSiz As Long + Dim bytaryOri() As Byte + Dim bytaryCpr() As Byte + lngOriSiz = FileLen(strargOriFilPth) + ReDim bytaryOri(lngOriSiz - 1) + Open strargOriFilPth For Binary Access Read As #1 + Get #1, , bytaryOri() + Close #1 + strCprPth = IIf(strargCprFilPth = "", strargOriFilPth, strargCprFilPth) +'Select file path and name + strCprPth = strCprPth & IIf(Right(strCprPth, Len(strFilExt)) = +strFilExt, "", strFilExt) 'Add file extension if not exists + lngCprSiz = (lngOriSiz * 1.01) + 12 'Compression needs temporary a bit +more space then original file size + ReDim bytaryCpr(lngCprSiz - 1) + If lngfncCpr(bytaryCpr(0), lngCprSiz, bytaryOri(0), lngOriSiz, intLvl) = +SUCCESS Then + lngpvtPcnSml = (1# - (lngCprSiz / lngOriSiz)) * 100 + ReDim Preserve bytaryCpr(lngCprSiz - 1) + Open strCprPth For Binary Access Write As #1 + Put #1, , bytaryCpr() + Put #1, , lngOriSiz 'Add the the original size value to the end +(last 4 bytes) + Close #1 + Else + MsgBox "Compression error" + End If + Erase bytaryCpr + Erase bytaryOri +End Sub + +Public Sub subUncompressFile(ByVal strargFilPth As String) + Dim bytaryCpr() As Byte + Dim bytaryOri() As Byte + Dim lngOriSiz As Long + Dim lngCprSiz As Long + Dim strOriPth As String + lngCprSiz = FileLen(strargFilPth) + ReDim bytaryCpr(lngCprSiz - 1) + Open strargFilPth For Binary Access Read As #1 + Get #1, , bytaryCpr() + Close #1 + 'Read the original file size value: + lngOriSiz = bytaryCpr(lngCprSiz - 1) * (2 ^ 24) _ + + bytaryCpr(lngCprSiz - 2) * (2 ^ 16) _ + + bytaryCpr(lngCprSiz - 3) * (2 ^ 8) _ + + bytaryCpr(lngCprSiz - 4) + ReDim Preserve bytaryCpr(lngCprSiz - 5) 'Cut of the original size value + ReDim bytaryOri(lngOriSiz - 1) + If lngfncUcp(bytaryOri(0), lngOriSiz, bytaryCpr(0), lngCprSiz) = SUCCESS +Then + strOriPth = Left(strargFilPth, Len(strargFilPth) - Len(strFilExt)) + Open strOriPth For Binary Access Write As #1 + Put #1, , bytaryOri() + Close #1 + Else + MsgBox "Uncompression error" + End If + Erase bytaryCpr + Erase bytaryOri +End Sub +Public Property Get lngPercentSmaller() As Long + lngPercentSmaller = lngpvtPcnSml +End Property diff --git a/os400/README400 b/os400/README400 new file mode 100644 index 0000000..c06fa84 --- /dev/null +++ b/os400/README400 @@ -0,0 +1,48 @@ + ZLIB version 1.2.13 for OS/400 installation instructions + +1) Download and unpack the zlib tarball to some IFS directory. + (i.e.: /path/to/the/zlib/ifs/source/directory) + + If the installed IFS command supports gzip format, this is straightforward, +else you have to unpack first to some directory on a system supporting it, +then move the whole directory to the IFS via the network (via SMB or FTP). + +2) Edit the configuration parameters in the compilation script. + + EDTF STMF('/path/to/the/zlib/ifs/source/directory/os400/make.sh') + +Tune the parameters according to your needs if not matching the defaults. +Save the file and exit after edition. + +3) Enter qshell, then work in the zlib OS/400 specific directory. + + QSH + cd /path/to/the/zlib/ifs/source/directory/os400 + +4) Compile and install + + sh make.sh + +The script will: +- create the libraries, objects and IFS directories for the zlib environment, +- compile all modules, +- create a service program, +- create a static and a dynamic binding directory, +- install header files for C/C++ and for ILE/RPG, both for compilation in + DB2 and IFS environments. + +That's all. + + +Notes: For OS/400 ILE RPG programmers, a /copy member defining the ZLIB + API prototypes for ILE RPG can be found in ZLIB/H(ZLIB.INC). + In the ILE environment, the same definitions are available from + file zlib.inc located in the same IFS include directory as the + C/C++ header files. + Please read comments in this member for more information. + + Remember that most foreign textual data are ASCII coded: this + implementation does not handle conversion from/to ASCII, so + text data code conversions must be done explicitly. + + Mainly for the reason above, always open zipped files in binary mode. diff --git a/os400/bndsrc b/os400/bndsrc new file mode 100644 index 0000000..9f92bb1 --- /dev/null +++ b/os400/bndsrc @@ -0,0 +1,127 @@ +STRPGMEXP PGMLVL(*CURRENT) SIGNATURE('ZLIB') + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.1.3 entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("adler32") + EXPORT SYMBOL("compress") + EXPORT SYMBOL("compress2") + EXPORT SYMBOL("crc32") + EXPORT SYMBOL("get_crc_table") + EXPORT SYMBOL("deflate") + EXPORT SYMBOL("deflateEnd") + EXPORT SYMBOL("deflateSetDictionary") + EXPORT SYMBOL("deflateCopy") + EXPORT SYMBOL("deflateReset") + EXPORT SYMBOL("deflateParams") + EXPORT SYMBOL("deflatePrime") + EXPORT SYMBOL("deflateInit_") + EXPORT SYMBOL("deflateInit2_") + EXPORT SYMBOL("gzopen") + EXPORT SYMBOL("gzdopen") + EXPORT SYMBOL("gzsetparams") + EXPORT SYMBOL("gzread") + EXPORT SYMBOL("gzwrite") + EXPORT SYMBOL("gzprintf") + EXPORT SYMBOL("gzputs") + EXPORT SYMBOL("gzgets") + EXPORT SYMBOL("gzputc") + EXPORT SYMBOL("gzgetc") + EXPORT SYMBOL("gzflush") + EXPORT SYMBOL("gzseek") + EXPORT SYMBOL("gzrewind") + EXPORT SYMBOL("gztell") + EXPORT SYMBOL("gzeof") + EXPORT SYMBOL("gzclose") + EXPORT SYMBOL("gzerror") + EXPORT SYMBOL("inflate") + EXPORT SYMBOL("inflateEnd") + EXPORT SYMBOL("inflateSetDictionary") + EXPORT SYMBOL("inflateSync") + EXPORT SYMBOL("inflateReset") + EXPORT SYMBOL("inflateInit_") + EXPORT SYMBOL("inflateInit2_") + EXPORT SYMBOL("inflateSyncPoint") + EXPORT SYMBOL("uncompress") + EXPORT SYMBOL("zlibVersion") + EXPORT SYMBOL("zError") + EXPORT SYMBOL("z_errmsg") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.1 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("compressBound") + EXPORT SYMBOL("deflateBound") + EXPORT SYMBOL("deflatePending") + EXPORT SYMBOL("gzungetc") + EXPORT SYMBOL("gzclearerr") + EXPORT SYMBOL("inflateBack") + EXPORT SYMBOL("inflateBackEnd") + EXPORT SYMBOL("inflateBackInit_") + EXPORT SYMBOL("inflateCopy") + EXPORT SYMBOL("zlibCompileFlags") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.4 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("adler32_combine") + EXPORT SYMBOL("adler32_combine64") + EXPORT SYMBOL("crc32_combine") + EXPORT SYMBOL("crc32_combine64") + EXPORT SYMBOL("deflateSetHeader") + EXPORT SYMBOL("deflateTune") + EXPORT SYMBOL("gzbuffer") + EXPORT SYMBOL("gzclose_r") + EXPORT SYMBOL("gzclose_w") + EXPORT SYMBOL("gzdirect") + EXPORT SYMBOL("gzoffset") + EXPORT SYMBOL("gzoffset64") + EXPORT SYMBOL("gzopen64") + EXPORT SYMBOL("gzseek64") + EXPORT SYMBOL("gztell64") + EXPORT SYMBOL("inflateGetHeader") + EXPORT SYMBOL("inflateMark") + EXPORT SYMBOL("inflatePrime") + EXPORT SYMBOL("inflateReset2") + EXPORT SYMBOL("inflateUndermine") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.6 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("deflateResetKeep") + EXPORT SYMBOL("gzgetc_") + EXPORT SYMBOL("inflateResetKeep") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.8 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("gzvprintf") + EXPORT SYMBOL("inflateGetDictionary") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.9 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("adler32_z") + EXPORT SYMBOL("crc32_z") + EXPORT SYMBOL("deflateGetDictionary") + EXPORT SYMBOL("gzfread") + EXPORT SYMBOL("gzfwrite") + EXPORT SYMBOL("inflateCodesUsed") + EXPORT SYMBOL("inflateValidate") + EXPORT SYMBOL("uncompress2") + +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ +/* Version 1.2.12 additional entry points. */ +/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ + + EXPORT SYMBOL("crc32_combine_gen64") + EXPORT SYMBOL("crc32_combine_gen") + EXPORT SYMBOL("crc32_combine_op") + +ENDPGMEXP diff --git a/os400/make.sh b/os400/make.sh new file mode 100644 index 0000000..19eec11 --- /dev/null +++ b/os400/make.sh @@ -0,0 +1,366 @@ +#!/bin/sh +# +# ZLIB compilation script for the OS/400. +# +# +# This is a shell script since make is not a standard component of OS/400. + + +################################################################################ +# +# Tunable configuration parameters. +# +################################################################################ + +TARGETLIB='ZLIB' # Target OS/400 program library +STATBNDDIR='ZLIB_A' # Static binding directory. +DYNBNDDIR='ZLIB' # Dynamic binding directory. +SRVPGM="ZLIB" # Service program. +IFSDIR='/zlib' # IFS support base directory. +TGTCCSID='500' # Target CCSID of objects +DEBUG='*NONE' # Debug level +OPTIMIZE='40' # Optimisation level +OUTPUT='*NONE' # Compilation output option. +TGTRLS='V6R1M0' # Target OS release + +export TARGETLIB STATBNDDIR DYNBNDDIR SRVPGM IFSDIR +export TGTCCSID DEBUG OPTIMIZE OUTPUT TGTRLS + + +################################################################################ +# +# OS/400 specific definitions. +# +################################################################################ + +LIBIFSNAME="/QSYS.LIB/${TARGETLIB}.LIB" + + +################################################################################ +# +# Procedures. +# +################################################################################ + +# action_needed dest [src] +# +# dest is an object to build +# if specified, src is an object on which dest depends. +# +# exit 0 (succeeds) if some action has to be taken, else 1. + +action_needed() + +{ + [ ! -e "${1}" ] && return 0 + [ "${2}" ] || return 1 + [ "${1}" -ot "${2}" ] && return 0 + return 1 +} + + +# make_module module_name source_name [additional_definitions] +# +# Compile source name into module if needed. +# As side effect, append the module name to variable MODULES. +# Set LINK to "YES" if the module has been compiled. + +make_module() + +{ + MODULES="${MODULES} ${1}" + MODIFSNAME="${LIBIFSNAME}/${1}.MODULE" + CSRC="`basename \"${2}\"`" + + if action_needed "${MODIFSNAME}" "${2}" + then : + elif [ ! "`sed -e \"//,/<\\\\/source>/!d\" \ + -e '/ tmphdrfile + + # Need to translate to target CCSID. + + CMD="CPY OBJ('`pwd`/tmphdrfile') TOOBJ('${DEST}')" + CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)" + system "${CMD}" + # touch -r "${HFILE}" "${DEST}" + rm -f tmphdrfile + fi + + IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`" + + if action_needed "${IFSFILE}" "${DEST}" + then rm -f "${IFSFILE}" + ln -s "${DEST}" "${IFSFILE}" + fi +done + + +# Install the ILE/RPG header file. + + +HFILE="${SCRIPTDIR}/zlib.inc" +DEST="${SRCPF}/ZLIB.INC.MBR" + +if action_needed "${DEST}" "${HFILE}" +then CMD="CPY OBJ('${HFILE}') TOOBJ('${DEST}')" + CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)" + system "${CMD}" + # touch -r "${HFILE}" "${DEST}" +fi + +IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`" + +if action_needed "${IFSFILE}" "${DEST}" +then rm -f "${IFSFILE}" + ln -s "${DEST}" "${IFSFILE}" +fi + + +# Create and compile the identification source file. + +echo '#pragma comment(user, "ZLIB version '"${VERSION}"'")' > os400.c +echo '#pragma comment(user, __DATE__)' >> os400.c +echo '#pragma comment(user, __TIME__)' >> os400.c +echo '#pragma comment(copyright, "Copyright (C) 1995-2017 Jean-Loup Gailly, Mark Adler. OS/400 version by P. Monnerat.")' >> os400.c +make_module OS400 os400.c +LINK= # No need to rebuild service program yet. +MODULES= + + +# Get source list. + +CSOURCES=`sed -e '/ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Library + + Medium + + 2.0 + + + + zlib + zlib + alain.bonnefoy@icbt.com + Public + public + www.gzip.org/zlib + + + Jean-Loup Gailly,Mark Adler + www.gzip.org/zlib + + zlib@gzip.org + + + A massively spiffy yet delicately unobtrusive compression library. + zlib is designed to be a free, general-purpose, legally unencumbered, lossless data compression library for use on virtually any computer hardware and operating system. + http://www.gzip.org/zlib + + + + + 1.2.13 + Medium + Stable + + + + + + + No License + + + + Software Development/Libraries and Extensions/C Libraries + zlib,compression + qnx6 + qnx6 + None + Developer + + + + + + + + + + + + + + Install + Post + No + Ignore + + No + Optional + + + + + + + + + + + + + InstallOver + zlib + + + + + + + + + + + + + InstallOver + zlib-dev + + + + + + + + + diff --git a/test/example.c b/test/example.c new file mode 100644 index 0000000..1470bc8 --- /dev/null +++ b/test/example.c @@ -0,0 +1,602 @@ +/* example.c -- usage example of the zlib compression library + * Copyright (C) 1995-2006, 2011, 2016 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zlib.h" +#include + +#ifdef STDC +# include +# include +#endif + +#if defined(VMS) || defined(RISCOS) +# define TESTFILE "foo-gz" +#else +# define TESTFILE "foo.gz" +#endif + +#define CHECK_ERR(err, msg) { \ + if (err != Z_OK) { \ + fprintf(stderr, "%s error: %d\n", msg, err); \ + exit(1); \ + } \ +} + +static z_const char hello[] = "hello, hello!"; +/* "hello world" would be more standard, but the repeated "hello" + * stresses the compression code better, sorry... + */ + +static const char dictionary[] = "hello"; +static uLong dictId; /* Adler32 value of the dictionary */ + +void test_deflate OF((Byte *compr, uLong comprLen)); +void test_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_large_deflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_large_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_flush OF((Byte *compr, uLong *comprLen)); +void test_sync OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_dict_deflate OF((Byte *compr, uLong comprLen)); +void test_dict_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +int main OF((int argc, char *argv[])); + + +#ifdef Z_SOLO + +void *myalloc OF((void *, unsigned, unsigned)); +void myfree OF((void *, void *)); + +void *myalloc(q, n, m) + void *q; + unsigned n, m; +{ + (void)q; + return calloc(n, m); +} + +void myfree(void *q, void *p) +{ + (void)q; + free(p); +} + +static alloc_func zalloc = myalloc; +static free_func zfree = myfree; + +#else /* !Z_SOLO */ + +static alloc_func zalloc = (alloc_func)0; +static free_func zfree = (free_func)0; + +void test_compress OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_gzio OF((const char *fname, + Byte *uncompr, uLong uncomprLen)); + +/* =========================================================================== + * Test compress() and uncompress() + */ +void test_compress(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + uLong len = (uLong)strlen(hello)+1; + + err = compress(compr, &comprLen, (const Bytef*)hello, len); + CHECK_ERR(err, "compress"); + + strcpy((char*)uncompr, "garbage"); + + err = uncompress(uncompr, &uncomprLen, compr, comprLen); + CHECK_ERR(err, "uncompress"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad uncompress\n"); + exit(1); + } else { + printf("uncompress(): %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Test read/write of .gz files + */ +void test_gzio(fname, uncompr, uncomprLen) + const char *fname; /* compressed file name */ + Byte *uncompr; + uLong uncomprLen; +{ +#ifdef NO_GZCOMPRESS + fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n"); +#else + int err; + int len = (int)strlen(hello)+1; + gzFile file; + z_off_t pos; + + file = gzopen(fname, "wb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + gzputc(file, 'h'); + if (gzputs(file, "ello") != 4) { + fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err)); + exit(1); + } + if (gzprintf(file, ", %s!", "hello") != 8) { + fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err)); + exit(1); + } + gzseek(file, 1L, SEEK_CUR); /* add one zero byte */ + gzclose(file); + + file = gzopen(fname, "rb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + strcpy((char*)uncompr, "garbage"); + + if (gzread(file, uncompr, (unsigned)uncomprLen) != len) { + fprintf(stderr, "gzread err: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad gzread: %s\n", (char*)uncompr); + exit(1); + } else { + printf("gzread(): %s\n", (char*)uncompr); + } + + pos = gzseek(file, -8L, SEEK_CUR); + if (pos != 6 || gztell(file) != pos) { + fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n", + (long)pos, (long)gztell(file)); + exit(1); + } + + if (gzgetc(file) != ' ') { + fprintf(stderr, "gzgetc error\n"); + exit(1); + } + + if (gzungetc(' ', file) != ' ') { + fprintf(stderr, "gzungetc error\n"); + exit(1); + } + + gzgets(file, (char*)uncompr, (int)uncomprLen); + if (strlen((char*)uncompr) != 7) { /* " hello!" */ + fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello + 6)) { + fprintf(stderr, "bad gzgets after gzseek\n"); + exit(1); + } else { + printf("gzgets() after gzseek: %s\n", (char*)uncompr); + } + + gzclose(file); +#endif +} + +#endif /* Z_SOLO */ + +/* =========================================================================== + * Test deflate() with small buffers + */ +void test_deflate(compr, comprLen) + Byte *compr; + uLong comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + uLong len = (uLong)strlen(hello)+1; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (z_const unsigned char *)hello; + c_stream.next_out = compr; + + while (c_stream.total_in != len && c_stream.total_out < comprLen) { + c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */ + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + } + /* Finish the stream, still forcing small buffers: */ + for (;;) { + c_stream.avail_out = 1; + err = deflate(&c_stream, Z_FINISH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "deflate"); + } + + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with small buffers + */ +void test_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = 0; + d_stream.next_out = uncompr; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) { + d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */ + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate\n"); + exit(1); + } else { + printf("inflate(): %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Test deflate() with large buffers and dynamic change of compression level + */ +void test_large_deflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_SPEED); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + /* At this point, uncompr is still mostly zeroes, so it should compress + * very well: + */ + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + if (c_stream.avail_in != 0) { + fprintf(stderr, "deflate not greedy\n"); + exit(1); + } + + /* Feed in already compressed data and switch to no compression: */ + deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); + c_stream.next_in = compr; + c_stream.avail_in = (uInt)comprLen/2; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + /* Switch back to compressing mode: */ + deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED); + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with large buffers + */ +void test_large_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + for (;;) { + d_stream.next_out = uncompr; /* discard the output */ + d_stream.avail_out = (uInt)uncomprLen; + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "large inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (d_stream.total_out != 2*uncomprLen + comprLen/2) { + fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out); + exit(1); + } else { + printf("large_inflate(): OK\n"); + } +} + +/* =========================================================================== + * Test deflate() with full flush + */ +void test_flush(compr, comprLen) + Byte *compr; + uLong *comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + uInt len = (uInt)strlen(hello)+1; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (z_const unsigned char *)hello; + c_stream.next_out = compr; + c_stream.avail_in = 3; + c_stream.avail_out = (uInt)*comprLen; + err = deflate(&c_stream, Z_FULL_FLUSH); + CHECK_ERR(err, "deflate"); + + compr[3]++; /* force an error in first compressed block */ + c_stream.avail_in = len - 3; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + CHECK_ERR(err, "deflate"); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); + + *comprLen = c_stream.total_out; +} + +/* =========================================================================== + * Test inflateSync() + */ +void test_sync(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = 2; /* just read the zlib header */ + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; + + err = inflate(&d_stream, Z_NO_FLUSH); + CHECK_ERR(err, "inflate"); + + d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */ + err = inflateSync(&d_stream); /* but skip the damaged part */ + CHECK_ERR(err, "inflateSync"); + + err = inflate(&d_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "inflate should report Z_STREAM_END\n"); + exit(1); + } + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + printf("after inflateSync(): hel%s\n", (char *)uncompr); +} + +/* =========================================================================== + * Test deflate() with preset dictionary + */ +void test_dict_deflate(compr, comprLen) + Byte *compr; + uLong comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + err = deflateSetDictionary(&c_stream, + (const Bytef*)dictionary, (int)sizeof(dictionary)); + CHECK_ERR(err, "deflateSetDictionary"); + + dictId = c_stream.adler; + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + c_stream.next_in = (z_const unsigned char *)hello; + c_stream.avail_in = (uInt)strlen(hello)+1; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with a preset dictionary + */ +void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; + + for (;;) { + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + if (err == Z_NEED_DICT) { + if (d_stream.adler != dictId) { + fprintf(stderr, "unexpected dictionary"); + exit(1); + } + err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, + (int)sizeof(dictionary)); + } + CHECK_ERR(err, "inflate with dict"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate with dict\n"); + exit(1); + } else { + printf("inflate with dictionary: %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Usage: example [output.gz [input.gz]] + */ + +int main(argc, argv) + int argc; + char *argv[]; +{ + Byte *compr, *uncompr; + uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */ + uLong uncomprLen = comprLen; + static const char* myVersion = ZLIB_VERSION; + + if (zlibVersion()[0] != myVersion[0]) { + fprintf(stderr, "incompatible zlib version\n"); + exit(1); + + } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) { + fprintf(stderr, "warning: different zlib version linked: %s\n", + zlibVersion()); + } + + printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n", + ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags()); + + compr = (Byte*)calloc((uInt)comprLen, 1); + uncompr = (Byte*)calloc((uInt)uncomprLen, 1); + /* compr and uncompr are cleared to avoid reading uninitialized + * data and to ensure that uncompr compresses well. + */ + if (compr == Z_NULL || uncompr == Z_NULL) { + printf("out of memory\n"); + exit(1); + } + +#ifdef Z_SOLO + (void)argc; + (void)argv; +#else + test_compress(compr, comprLen, uncompr, uncomprLen); + + test_gzio((argc > 1 ? argv[1] : TESTFILE), + uncompr, uncomprLen); +#endif + + test_deflate(compr, comprLen); + test_inflate(compr, comprLen, uncompr, uncomprLen); + + test_large_deflate(compr, comprLen, uncompr, uncomprLen); + test_large_inflate(compr, comprLen, uncompr, uncomprLen); + + test_flush(compr, &comprLen); + test_sync(compr, comprLen, uncompr, uncomprLen); + comprLen = uncomprLen; + + test_dict_deflate(compr, comprLen); + test_dict_inflate(compr, comprLen, uncompr, uncomprLen); + + free(compr); + free(uncompr); + + return 0; +} diff --git a/test/infcover.c b/test/infcover.c new file mode 100644 index 0000000..2be0164 --- /dev/null +++ b/test/infcover.c @@ -0,0 +1,671 @@ +/* infcover.c -- test zlib's inflate routines with full code coverage + * Copyright (C) 2011, 2016 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* to use, do: ./configure --cover && make cover */ + +#include +#include +#include +#include +#include "zlib.h" + +/* get definition of internal structure so we can mess with it (see pull()), + and so we can call inflate_trees() (see cover5()) */ +#define ZLIB_INTERNAL +#include "inftrees.h" +#include "inflate.h" + +#define local static + +/* -- memory tracking routines -- */ + +/* + These memory tracking routines are provided to zlib and track all of zlib's + allocations and deallocations, check for LIFO operations, keep a current + and high water mark of total bytes requested, optionally set a limit on the + total memory that can be allocated, and when done check for memory leaks. + + They are used as follows: + + z_stream strm; + mem_setup(&strm) initializes the memory tracking and sets the + zalloc, zfree, and opaque members of strm to use + memory tracking for all zlib operations on strm + mem_limit(&strm, limit) sets a limit on the total bytes requested -- a + request that exceeds this limit will result in an + allocation failure (returns NULL) -- setting the + limit to zero means no limit, which is the default + after mem_setup() + mem_used(&strm, "msg") prints to stderr "msg" and the total bytes used + mem_high(&strm, "msg") prints to stderr "msg" and the high water mark + mem_done(&strm, "msg") ends memory tracking, releases all allocations + for the tracking as well as leaked zlib blocks, if + any. If there was anything unusual, such as leaked + blocks, non-FIFO frees, or frees of addresses not + allocated, then "msg" and information about the + problem is printed to stderr. If everything is + normal, nothing is printed. mem_done resets the + strm members to Z_NULL to use the default memory + allocation routines on the next zlib initialization + using strm. + */ + +/* these items are strung together in a linked list, one for each allocation */ +struct mem_item { + void *ptr; /* pointer to allocated memory */ + size_t size; /* requested size of allocation */ + struct mem_item *next; /* pointer to next item in list, or NULL */ +}; + +/* this structure is at the root of the linked list, and tracks statistics */ +struct mem_zone { + struct mem_item *first; /* pointer to first item in list, or NULL */ + size_t total, highwater; /* total allocations, and largest total */ + size_t limit; /* memory allocation limit, or 0 if no limit */ + int notlifo, rogue; /* counts of non-LIFO frees and rogue frees */ +}; + +/* memory allocation routine to pass to zlib */ +local void *mem_alloc(void *mem, unsigned count, unsigned size) +{ + void *ptr; + struct mem_item *item; + struct mem_zone *zone = mem; + size_t len = count * (size_t)size; + + /* induced allocation failure */ + if (zone == NULL || (zone->limit && zone->total + len > zone->limit)) + return NULL; + + /* perform allocation using the standard library, fill memory with a + non-zero value to make sure that the code isn't depending on zeros */ + ptr = malloc(len); + if (ptr == NULL) + return NULL; + memset(ptr, 0xa5, len); + + /* create a new item for the list */ + item = malloc(sizeof(struct mem_item)); + if (item == NULL) { + free(ptr); + return NULL; + } + item->ptr = ptr; + item->size = len; + + /* insert item at the beginning of the list */ + item->next = zone->first; + zone->first = item; + + /* update the statistics */ + zone->total += item->size; + if (zone->total > zone->highwater) + zone->highwater = zone->total; + + /* return the allocated memory */ + return ptr; +} + +/* memory free routine to pass to zlib */ +local void mem_free(void *mem, void *ptr) +{ + struct mem_item *item, *next; + struct mem_zone *zone = mem; + + /* if no zone, just do a free */ + if (zone == NULL) { + free(ptr); + return; + } + + /* point next to the item that matches ptr, or NULL if not found -- remove + the item from the linked list if found */ + next = zone->first; + if (next) { + if (next->ptr == ptr) + zone->first = next->next; /* first one is it, remove from list */ + else { + do { /* search the linked list */ + item = next; + next = item->next; + } while (next != NULL && next->ptr != ptr); + if (next) { /* if found, remove from linked list */ + item->next = next->next; + zone->notlifo++; /* not a LIFO free */ + } + + } + } + + /* if found, update the statistics and free the item */ + if (next) { + zone->total -= next->size; + free(next); + } + + /* if not found, update the rogue count */ + else + zone->rogue++; + + /* in any case, do the requested free with the standard library function */ + free(ptr); +} + +/* set up a controlled memory allocation space for monitoring, set the stream + parameters to the controlled routines, with opaque pointing to the space */ +local void mem_setup(z_stream *strm) +{ + struct mem_zone *zone; + + zone = malloc(sizeof(struct mem_zone)); + assert(zone != NULL); + zone->first = NULL; + zone->total = 0; + zone->highwater = 0; + zone->limit = 0; + zone->notlifo = 0; + zone->rogue = 0; + strm->opaque = zone; + strm->zalloc = mem_alloc; + strm->zfree = mem_free; +} + +/* set a limit on the total memory allocation, or 0 to remove the limit */ +local void mem_limit(z_stream *strm, size_t limit) +{ + struct mem_zone *zone = strm->opaque; + + zone->limit = limit; +} + +/* show the current total requested allocations in bytes */ +local void mem_used(z_stream *strm, char *prefix) +{ + struct mem_zone *zone = strm->opaque; + + fprintf(stderr, "%s: %lu allocated\n", prefix, zone->total); +} + +/* show the high water allocation in bytes */ +local void mem_high(z_stream *strm, char *prefix) +{ + struct mem_zone *zone = strm->opaque; + + fprintf(stderr, "%s: %lu high water mark\n", prefix, zone->highwater); +} + +/* release the memory allocation zone -- if there are any surprises, notify */ +local void mem_done(z_stream *strm, char *prefix) +{ + int count = 0; + struct mem_item *item, *next; + struct mem_zone *zone = strm->opaque; + + /* show high water mark */ + mem_high(strm, prefix); + + /* free leftover allocations and item structures, if any */ + item = zone->first; + while (item != NULL) { + free(item->ptr); + next = item->next; + free(item); + item = next; + count++; + } + + /* issue alerts about anything unexpected */ + if (count || zone->total) + fprintf(stderr, "** %s: %lu bytes in %d blocks not freed\n", + prefix, zone->total, count); + if (zone->notlifo) + fprintf(stderr, "** %s: %d frees not LIFO\n", prefix, zone->notlifo); + if (zone->rogue) + fprintf(stderr, "** %s: %d frees not recognized\n", + prefix, zone->rogue); + + /* free the zone and delete from the stream */ + free(zone); + strm->opaque = Z_NULL; + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; +} + +/* -- inflate test routines -- */ + +/* Decode a hexadecimal string, set *len to length, in[] to the bytes. This + decodes liberally, in that hex digits can be adjacent, in which case two in + a row writes a byte. Or they can be delimited by any non-hex character, + where the delimiters are ignored except when a single hex digit is followed + by a delimiter, where that single digit writes a byte. The returned data is + allocated and must eventually be freed. NULL is returned if out of memory. + If the length is not needed, then len can be NULL. */ +local unsigned char *h2b(const char *hex, unsigned *len) +{ + unsigned char *in, *re; + unsigned next, val; + + in = malloc((strlen(hex) + 1) >> 1); + if (in == NULL) + return NULL; + next = 0; + val = 1; + do { + if (*hex >= '0' && *hex <= '9') + val = (val << 4) + *hex - '0'; + else if (*hex >= 'A' && *hex <= 'F') + val = (val << 4) + *hex - 'A' + 10; + else if (*hex >= 'a' && *hex <= 'f') + val = (val << 4) + *hex - 'a' + 10; + else if (val != 1 && val < 32) /* one digit followed by delimiter */ + val += 240; /* make it look like two digits */ + if (val > 255) { /* have two digits */ + in[next++] = val & 0xff; /* save the decoded byte */ + val = 1; /* start over */ + } + } while (*hex++); /* go through the loop with the terminating null */ + if (len != NULL) + *len = next; + re = realloc(in, next); + return re == NULL ? in : re; +} + +/* generic inflate() run, where hex is the hexadecimal input data, what is the + text to include in an error message, step is how much input data to feed + inflate() on each call, or zero to feed it all, win is the window bits + parameter to inflateInit2(), len is the size of the output buffer, and err + is the error code expected from the first inflate() call (the second + inflate() call is expected to return Z_STREAM_END). If win is 47, then + header information is collected with inflateGetHeader(). If a zlib stream + is looking for a dictionary, then an empty dictionary is provided. + inflate() is run until all of the input data is consumed. */ +local void inf(char *hex, char *what, unsigned step, int win, unsigned len, + int err) +{ + int ret; + unsigned have; + unsigned char *in, *out; + z_stream strm, copy; + gz_header head; + + mem_setup(&strm); + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, win); + if (ret != Z_OK) { + mem_done(&strm, what); + return; + } + out = malloc(len); assert(out != NULL); + if (win == 47) { + head.extra = out; + head.extra_max = len; + head.name = out; + head.name_max = len; + head.comment = out; + head.comm_max = len; + ret = inflateGetHeader(&strm, &head); assert(ret == Z_OK); + } + in = h2b(hex, &have); assert(in != NULL); + if (step == 0 || step > have) + step = have; + strm.avail_in = step; + have -= step; + strm.next_in = in; + do { + strm.avail_out = len; + strm.next_out = out; + ret = inflate(&strm, Z_NO_FLUSH); assert(err == 9 || ret == err); + if (ret != Z_OK && ret != Z_BUF_ERROR && ret != Z_NEED_DICT) + break; + if (ret == Z_NEED_DICT) { + ret = inflateSetDictionary(&strm, in, 1); + assert(ret == Z_DATA_ERROR); + mem_limit(&strm, 1); + ret = inflateSetDictionary(&strm, out, 0); + assert(ret == Z_MEM_ERROR); + mem_limit(&strm, 0); + ((struct inflate_state *)strm.state)->mode = DICT; + ret = inflateSetDictionary(&strm, out, 0); + assert(ret == Z_OK); + ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_BUF_ERROR); + } + ret = inflateCopy(©, &strm); assert(ret == Z_OK); + ret = inflateEnd(©); assert(ret == Z_OK); + err = 9; /* don't care next time around */ + have += strm.avail_in; + strm.avail_in = step > have ? have : step; + have -= strm.avail_in; + } while (strm.avail_in); + free(in); + free(out); + ret = inflateReset2(&strm, -8); assert(ret == Z_OK); + ret = inflateEnd(&strm); assert(ret == Z_OK); + mem_done(&strm, what); +} + +/* cover all of the lines in inflate.c up to inflate() */ +local void cover_support(void) +{ + int ret; + z_stream strm; + + mem_setup(&strm); + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit(&strm); assert(ret == Z_OK); + mem_used(&strm, "inflate init"); + ret = inflatePrime(&strm, 5, 31); assert(ret == Z_OK); + ret = inflatePrime(&strm, -1, 0); assert(ret == Z_OK); + ret = inflateSetDictionary(&strm, Z_NULL, 0); + assert(ret == Z_STREAM_ERROR); + ret = inflateEnd(&strm); assert(ret == Z_OK); + mem_done(&strm, "prime"); + + inf("63 0", "force window allocation", 0, -15, 1, Z_OK); + inf("63 18 5", "force window replacement", 0, -8, 259, Z_OK); + inf("63 18 68 30 d0 0 0", "force split window update", 4, -8, 259, Z_OK); + inf("3 0", "use fixed blocks", 0, -15, 1, Z_STREAM_END); + inf("", "bad window size", 0, 1, 0, Z_STREAM_ERROR); + + mem_setup(&strm); + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit_(&strm, ZLIB_VERSION - 1, (int)sizeof(z_stream)); + assert(ret == Z_VERSION_ERROR); + mem_done(&strm, "wrong version"); + + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit(&strm); assert(ret == Z_OK); + ret = inflateEnd(&strm); assert(ret == Z_OK); + fputs("inflate built-in memory routines\n", stderr); +} + +/* cover all inflate() header and trailer cases and code after inflate() */ +local void cover_wrap(void) +{ + int ret; + z_stream strm, copy; + unsigned char dict[257]; + + ret = inflate(Z_NULL, 0); assert(ret == Z_STREAM_ERROR); + ret = inflateEnd(Z_NULL); assert(ret == Z_STREAM_ERROR); + ret = inflateCopy(Z_NULL, Z_NULL); assert(ret == Z_STREAM_ERROR); + fputs("inflate bad parameters\n", stderr); + + inf("1f 8b 0 0", "bad gzip method", 0, 31, 0, Z_DATA_ERROR); + inf("1f 8b 8 80", "bad gzip flags", 0, 31, 0, Z_DATA_ERROR); + inf("77 85", "bad zlib method", 0, 15, 0, Z_DATA_ERROR); + inf("8 99", "set window size from header", 0, 0, 0, Z_OK); + inf("78 9c", "bad zlib window size", 0, 8, 0, Z_DATA_ERROR); + inf("78 9c 63 0 0 0 1 0 1", "check adler32", 0, 15, 1, Z_STREAM_END); + inf("1f 8b 8 1e 0 0 0 0 0 0 1 0 0 0 0 0 0", "bad header crc", 0, 47, 1, + Z_DATA_ERROR); + inf("1f 8b 8 2 0 0 0 0 0 0 1d 26 3 0 0 0 0 0 0 0 0 0", "check gzip length", + 0, 47, 0, Z_STREAM_END); + inf("78 90", "bad zlib header check", 0, 47, 0, Z_DATA_ERROR); + inf("8 b8 0 0 0 1", "need dictionary", 0, 8, 0, Z_NEED_DICT); + inf("78 9c 63 0", "compute adler32", 0, 15, 1, Z_OK); + + mem_setup(&strm); + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, -8); + strm.avail_in = 2; + strm.next_in = (void *)"\x63"; + strm.avail_out = 1; + strm.next_out = (void *)&ret; + mem_limit(&strm, 1); + ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_MEM_ERROR); + ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_MEM_ERROR); + mem_limit(&strm, 0); + memset(dict, 0, 257); + ret = inflateSetDictionary(&strm, dict, 257); + assert(ret == Z_OK); + mem_limit(&strm, (sizeof(struct inflate_state) << 1) + 256); + ret = inflatePrime(&strm, 16, 0); assert(ret == Z_OK); + strm.avail_in = 2; + strm.next_in = (void *)"\x80"; + ret = inflateSync(&strm); assert(ret == Z_DATA_ERROR); + ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_STREAM_ERROR); + strm.avail_in = 4; + strm.next_in = (void *)"\0\0\xff\xff"; + ret = inflateSync(&strm); assert(ret == Z_OK); + (void)inflateSyncPoint(&strm); + ret = inflateCopy(©, &strm); assert(ret == Z_MEM_ERROR); + mem_limit(&strm, 0); + ret = inflateUndermine(&strm, 1); assert(ret == Z_DATA_ERROR); + (void)inflateMark(&strm); + ret = inflateEnd(&strm); assert(ret == Z_OK); + mem_done(&strm, "miscellaneous, force memory errors"); +} + +/* input and output functions for inflateBack() */ +local unsigned pull(void *desc, unsigned char **buf) +{ + static unsigned int next = 0; + static unsigned char dat[] = {0x63, 0, 2, 0}; + struct inflate_state *state; + + if (desc == Z_NULL) { + next = 0; + return 0; /* no input (already provided at next_in) */ + } + state = (void *)((z_stream *)desc)->state; + if (state != Z_NULL) + state->mode = SYNC; /* force an otherwise impossible situation */ + return next < sizeof(dat) ? (*buf = dat + next++, 1) : 0; +} + +local int push(void *desc, unsigned char *buf, unsigned len) +{ + buf += len; + return desc != Z_NULL; /* force error if desc not null */ +} + +/* cover inflateBack() up to common deflate data cases and after those */ +local void cover_back(void) +{ + int ret; + z_stream strm; + unsigned char win[32768]; + + ret = inflateBackInit_(Z_NULL, 0, win, 0, 0); + assert(ret == Z_VERSION_ERROR); + ret = inflateBackInit(Z_NULL, 0, win); assert(ret == Z_STREAM_ERROR); + ret = inflateBack(Z_NULL, Z_NULL, Z_NULL, Z_NULL, Z_NULL); + assert(ret == Z_STREAM_ERROR); + ret = inflateBackEnd(Z_NULL); assert(ret == Z_STREAM_ERROR); + fputs("inflateBack bad parameters\n", stderr); + + mem_setup(&strm); + ret = inflateBackInit(&strm, 15, win); assert(ret == Z_OK); + strm.avail_in = 2; + strm.next_in = (void *)"\x03"; + ret = inflateBack(&strm, pull, Z_NULL, push, Z_NULL); + assert(ret == Z_STREAM_END); + /* force output error */ + strm.avail_in = 3; + strm.next_in = (void *)"\x63\x00"; + ret = inflateBack(&strm, pull, Z_NULL, push, &strm); + assert(ret == Z_BUF_ERROR); + /* force mode error by mucking with state */ + ret = inflateBack(&strm, pull, &strm, push, Z_NULL); + assert(ret == Z_STREAM_ERROR); + ret = inflateBackEnd(&strm); assert(ret == Z_OK); + mem_done(&strm, "inflateBack bad state"); + + ret = inflateBackInit(&strm, 15, win); assert(ret == Z_OK); + ret = inflateBackEnd(&strm); assert(ret == Z_OK); + fputs("inflateBack built-in memory routines\n", stderr); +} + +/* do a raw inflate of data in hexadecimal with both inflate and inflateBack */ +local int try(char *hex, char *id, int err) +{ + int ret; + unsigned len, size; + unsigned char *in, *out, *win; + char *prefix; + z_stream strm; + + /* convert to hex */ + in = h2b(hex, &len); + assert(in != NULL); + + /* allocate work areas */ + size = len << 3; + out = malloc(size); + assert(out != NULL); + win = malloc(32768); + assert(win != NULL); + prefix = malloc(strlen(id) + 6); + assert(prefix != NULL); + + /* first with inflate */ + strcpy(prefix, id); + strcat(prefix, "-late"); + mem_setup(&strm); + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, err < 0 ? 47 : -15); + assert(ret == Z_OK); + strm.avail_in = len; + strm.next_in = in; + do { + strm.avail_out = size; + strm.next_out = out; + ret = inflate(&strm, Z_TREES); + assert(ret != Z_STREAM_ERROR && ret != Z_MEM_ERROR); + if (ret == Z_DATA_ERROR || ret == Z_NEED_DICT) + break; + } while (strm.avail_in || strm.avail_out == 0); + if (err) { + assert(ret == Z_DATA_ERROR); + assert(strcmp(id, strm.msg) == 0); + } + inflateEnd(&strm); + mem_done(&strm, prefix); + + /* then with inflateBack */ + if (err >= 0) { + strcpy(prefix, id); + strcat(prefix, "-back"); + mem_setup(&strm); + ret = inflateBackInit(&strm, 15, win); + assert(ret == Z_OK); + strm.avail_in = len; + strm.next_in = in; + ret = inflateBack(&strm, pull, Z_NULL, push, Z_NULL); + assert(ret != Z_STREAM_ERROR); + if (err) { + assert(ret == Z_DATA_ERROR); + assert(strcmp(id, strm.msg) == 0); + } + inflateBackEnd(&strm); + mem_done(&strm, prefix); + } + + /* clean up */ + free(prefix); + free(win); + free(out); + free(in); + return ret; +} + +/* cover deflate data cases in both inflate() and inflateBack() */ +local void cover_inflate(void) +{ + try("0 0 0 0 0", "invalid stored block lengths", 1); + try("3 0", "fixed", 0); + try("6", "invalid block type", 1); + try("1 1 0 fe ff 0", "stored", 0); + try("fc 0 0", "too many length or distance symbols", 1); + try("4 0 fe ff", "invalid code lengths set", 1); + try("4 0 24 49 0", "invalid bit length repeat", 1); + try("4 0 24 e9 ff ff", "invalid bit length repeat", 1); + try("4 0 24 e9 ff 6d", "invalid code -- missing end-of-block", 1); + try("4 80 49 92 24 49 92 24 71 ff ff 93 11 0", + "invalid literal/lengths set", 1); + try("4 80 49 92 24 49 92 24 f b4 ff ff c3 84", "invalid distances set", 1); + try("4 c0 81 8 0 0 0 0 20 7f eb b 0 0", "invalid literal/length code", 1); + try("2 7e ff ff", "invalid distance code", 1); + try("c c0 81 0 0 0 0 0 90 ff 6b 4 0", "invalid distance too far back", 1); + + /* also trailer mismatch just in inflate() */ + try("1f 8b 8 0 0 0 0 0 0 0 3 0 0 0 0 1", "incorrect data check", -1); + try("1f 8b 8 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1", + "incorrect length check", -1); + try("5 c0 21 d 0 0 0 80 b0 fe 6d 2f 91 6c", "pull 17", 0); + try("5 e0 81 91 24 cb b2 2c 49 e2 f 2e 8b 9a 47 56 9f fb fe ec d2 ff 1f", + "long code", 0); + try("ed c0 1 1 0 0 0 40 20 ff 57 1b 42 2c 4f", "length extra", 0); + try("ed cf c1 b1 2c 47 10 c4 30 fa 6f 35 1d 1 82 59 3d fb be 2e 2a fc f c", + "long distance and extra", 0); + try("ed c0 81 0 0 0 0 80 a0 fd a9 17 a9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 " + "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6", "window end", 0); + inf("2 8 20 80 0 3 0", "inflate_fast TYPE return", 0, -15, 258, + Z_STREAM_END); + inf("63 18 5 40 c 0", "window wrap", 3, -8, 300, Z_OK); +} + +/* cover remaining lines in inftrees.c */ +local void cover_trees(void) +{ + int ret; + unsigned bits; + unsigned short lens[16], work[16]; + code *next, table[ENOUGH_DISTS]; + + /* we need to call inflate_table() directly in order to manifest not- + enough errors, since zlib insures that enough is always enough */ + for (bits = 0; bits < 15; bits++) + lens[bits] = (unsigned short)(bits + 1); + lens[15] = 15; + next = table; + bits = 15; + ret = inflate_table(DISTS, lens, 16, &next, &bits, work); + assert(ret == 1); + next = table; + bits = 1; + ret = inflate_table(DISTS, lens, 16, &next, &bits, work); + assert(ret == 1); + fputs("inflate_table not enough errors\n", stderr); +} + +/* cover remaining inffast.c decoding and window copying */ +local void cover_fast(void) +{ + inf("e5 e0 81 ad 6d cb b2 2c c9 01 1e 59 63 ae 7d ee fb 4d fd b5 35 41 68" + " ff 7f 0f 0 0 0", "fast length extra bits", 0, -8, 258, Z_DATA_ERROR); + inf("25 fd 81 b5 6d 59 b6 6a 49 ea af 35 6 34 eb 8c b9 f6 b9 1e ef 67 49" + " 50 fe ff ff 3f 0 0", "fast distance extra bits", 0, -8, 258, + Z_DATA_ERROR); + inf("3 7e 0 0 0 0 0", "fast invalid distance code", 0, -8, 258, + Z_DATA_ERROR); + inf("1b 7 0 0 0 0 0", "fast invalid literal/length code", 0, -8, 258, + Z_DATA_ERROR); + inf("d c7 1 ae eb 38 c 4 41 a0 87 72 de df fb 1f b8 36 b1 38 5d ff ff 0", + "fast 2nd level codes and too far back", 0, -8, 258, Z_DATA_ERROR); + inf("63 18 5 8c 10 8 0 0 0 0", "very common case", 0, -8, 259, Z_OK); + inf("63 60 60 18 c9 0 8 18 18 18 26 c0 28 0 29 0 0 0", + "contiguous and wrap around window", 6, -8, 259, Z_OK); + inf("63 0 3 0 0 0 0 0", "copy direct from output", 0, -8, 259, + Z_STREAM_END); +} + +int main(void) +{ + fprintf(stderr, "%s\n", zlibVersion()); + cover_support(); + cover_wrap(); + cover_back(); + cover_inflate(); + cover_trees(); + cover_fast(); + return 0; +} diff --git a/test/minigzip.c b/test/minigzip.c new file mode 100644 index 0000000..a649d2b --- /dev/null +++ b/test/minigzip.c @@ -0,0 +1,651 @@ +/* minigzip.c -- simulate gzip using the zlib compression library + * Copyright (C) 1995-2006, 2010, 2011, 2016 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * minigzip is a minimal implementation of the gzip utility. This is + * only an example of using zlib and isn't meant to replace the + * full-featured gzip. No attempt is made to deal with file systems + * limiting names to 14 or 8+3 characters, etc... Error checking is + * very limited. So use minigzip only for testing; use gzip for the + * real thing. On MSDOS, use only on file names without extension + * or in pipe mode. + */ + +/* @(#) $Id$ */ + +#include "zlib.h" +#include + +#ifdef STDC +# include +# include +#endif + +#ifdef USE_MMAP +# include +# include +# include +#endif + +#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) +# include +# include +# ifdef UNDER_CE +# include +# endif +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +#if defined(_MSC_VER) && _MSC_VER < 1900 +# define snprintf _snprintf +#endif + +#ifdef VMS +# define unlink delete +# define GZ_SUFFIX "-gz" +#endif +#ifdef RISCOS +# define unlink remove +# define GZ_SUFFIX "-gz" +# define fileno(file) file->__file +#endif +#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include /* for fileno */ +#endif + +#if !defined(Z_HAVE_UNISTD_H) && !defined(_LARGEFILE64_SOURCE) +#ifndef WIN32 /* unlink already in stdio.h for WIN32 */ + extern int unlink OF((const char *)); +#endif +#endif + +#if defined(UNDER_CE) +# include +# define perror(s) pwinerror(s) + +/* Map the Windows error number in ERROR to a locale-dependent error + message string and return a pointer to it. Typically, the values + for ERROR come from GetLastError. + + The string pointed to shall not be modified by the application, + but may be overwritten by a subsequent call to strwinerror + + The strwinerror function does not change the current setting + of GetLastError. */ + +static char *strwinerror (error) + DWORD error; +{ + static char buf[1024]; + + wchar_t *msgbuf; + DWORD lasterr = GetLastError(); + DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, + error, + 0, /* Default language */ + (LPVOID)&msgbuf, + 0, + NULL); + if (chars != 0) { + /* If there is an \r\n appended, zap it. */ + if (chars >= 2 + && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { + chars -= 2; + msgbuf[chars] = 0; + } + + if (chars > sizeof (buf) - 1) { + chars = sizeof (buf) - 1; + msgbuf[chars] = 0; + } + + wcstombs(buf, msgbuf, chars + 1); + LocalFree(msgbuf); + } + else { + sprintf(buf, "unknown win32 error (%ld)", error); + } + + SetLastError(lasterr); + return buf; +} + +static void pwinerror (s) + const char *s; +{ + if (s && *s) + fprintf(stderr, "%s: %s\n", s, strwinerror(GetLastError ())); + else + fprintf(stderr, "%s\n", strwinerror(GetLastError ())); +} + +#endif /* UNDER_CE */ + +#ifndef GZ_SUFFIX +# define GZ_SUFFIX ".gz" +#endif +#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1) + +#define BUFLEN 16384 +#define MAX_NAME_LEN 1024 + +#ifdef MAXSEG_64K +# define local static + /* Needed for systems with limitation on stack size. */ +#else +# define local +#endif + +#ifdef Z_SOLO +/* for Z_SOLO, create simplified gz* functions using deflate and inflate */ + +#if defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE) +# include /* for unlink() */ +#endif + +void *myalloc OF((void *, unsigned, unsigned)); +void myfree OF((void *, void *)); + +void *myalloc(q, n, m) + void *q; + unsigned n, m; +{ + (void)q; + return calloc(n, m); +} + +void myfree(q, p) + void *q, *p; +{ + (void)q; + free(p); +} + +typedef struct gzFile_s { + FILE *file; + int write; + int err; + char *msg; + z_stream strm; +} *gzFile; + +gzFile gzopen OF((const char *, const char *)); +gzFile gzdopen OF((int, const char *)); +gzFile gz_open OF((const char *, int, const char *)); + +gzFile gzopen(path, mode) +const char *path; +const char *mode; +{ + return gz_open(path, -1, mode); +} + +gzFile gzdopen(fd, mode) +int fd; +const char *mode; +{ + return gz_open(NULL, fd, mode); +} + +gzFile gz_open(path, fd, mode) + const char *path; + int fd; + const char *mode; +{ + gzFile gz; + int ret; + + gz = malloc(sizeof(struct gzFile_s)); + if (gz == NULL) + return NULL; + gz->write = strchr(mode, 'w') != NULL; + gz->strm.zalloc = myalloc; + gz->strm.zfree = myfree; + gz->strm.opaque = Z_NULL; + if (gz->write) + ret = deflateInit2(&(gz->strm), -1, 8, 15 + 16, 8, 0); + else { + gz->strm.next_in = 0; + gz->strm.avail_in = Z_NULL; + ret = inflateInit2(&(gz->strm), 15 + 16); + } + if (ret != Z_OK) { + free(gz); + return NULL; + } + gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") : + fopen(path, gz->write ? "wb" : "rb"); + if (gz->file == NULL) { + gz->write ? deflateEnd(&(gz->strm)) : inflateEnd(&(gz->strm)); + free(gz); + return NULL; + } + gz->err = 0; + gz->msg = ""; + return gz; +} + +int gzwrite OF((gzFile, const void *, unsigned)); + +int gzwrite(gz, buf, len) + gzFile gz; + const void *buf; + unsigned len; +{ + z_stream *strm; + unsigned char out[BUFLEN]; + + if (gz == NULL || !gz->write) + return 0; + strm = &(gz->strm); + strm->next_in = (void *)buf; + strm->avail_in = len; + do { + strm->next_out = out; + strm->avail_out = BUFLEN; + (void)deflate(strm, Z_NO_FLUSH); + fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); + } while (strm->avail_out == 0); + return len; +} + +int gzread OF((gzFile, void *, unsigned)); + +int gzread(gz, buf, len) + gzFile gz; + void *buf; + unsigned len; +{ + int ret; + unsigned got; + unsigned char in[1]; + z_stream *strm; + + if (gz == NULL || gz->write) + return 0; + if (gz->err) + return 0; + strm = &(gz->strm); + strm->next_out = (void *)buf; + strm->avail_out = len; + do { + got = fread(in, 1, 1, gz->file); + if (got == 0) + break; + strm->next_in = in; + strm->avail_in = 1; + ret = inflate(strm, Z_NO_FLUSH); + if (ret == Z_DATA_ERROR) { + gz->err = Z_DATA_ERROR; + gz->msg = strm->msg; + return 0; + } + if (ret == Z_STREAM_END) + inflateReset(strm); + } while (strm->avail_out); + return len - strm->avail_out; +} + +int gzclose OF((gzFile)); + +int gzclose(gz) + gzFile gz; +{ + z_stream *strm; + unsigned char out[BUFLEN]; + + if (gz == NULL) + return Z_STREAM_ERROR; + strm = &(gz->strm); + if (gz->write) { + strm->next_in = Z_NULL; + strm->avail_in = 0; + do { + strm->next_out = out; + strm->avail_out = BUFLEN; + (void)deflate(strm, Z_FINISH); + fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); + } while (strm->avail_out == 0); + deflateEnd(strm); + } + else + inflateEnd(strm); + fclose(gz->file); + free(gz); + return Z_OK; +} + +const char *gzerror OF((gzFile, int *)); + +const char *gzerror(gz, err) + gzFile gz; + int *err; +{ + *err = gz->err; + return gz->msg; +} + +#endif + +static char *prog; + +void error OF((const char *msg)); +void gz_compress OF((FILE *in, gzFile out)); +#ifdef USE_MMAP +int gz_compress_mmap OF((FILE *in, gzFile out)); +#endif +void gz_uncompress OF((gzFile in, FILE *out)); +void file_compress OF((char *file, char *mode)); +void file_uncompress OF((char *file)); +int main OF((int argc, char *argv[])); + +/* =========================================================================== + * Display error message and exit + */ +void error(msg) + const char *msg; +{ + fprintf(stderr, "%s: %s\n", prog, msg); + exit(1); +} + +/* =========================================================================== + * Compress input to output then close both files. + */ + +void gz_compress(in, out) + FILE *in; + gzFile out; +{ + local char buf[BUFLEN]; + int len; + int err; + +#ifdef USE_MMAP + /* Try first compressing with mmap. If mmap fails (minigzip used in a + * pipe), use the normal fread loop. + */ + if (gz_compress_mmap(in, out) == Z_OK) return; +#endif + for (;;) { + len = (int)fread(buf, 1, sizeof(buf), in); + if (ferror(in)) { + perror("fread"); + exit(1); + } + if (len == 0) break; + + if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err)); + } + fclose(in); + if (gzclose(out) != Z_OK) error("failed gzclose"); +} + +#ifdef USE_MMAP /* MMAP version, Miguel Albrecht */ + +/* Try compressing the input file at once using mmap. Return Z_OK if + * if success, Z_ERRNO otherwise. + */ +int gz_compress_mmap(in, out) + FILE *in; + gzFile out; +{ + int len; + int err; + int ifd = fileno(in); + caddr_t buf; /* mmap'ed buffer for the entire input file */ + off_t buf_len; /* length of the input file */ + struct stat sb; + + /* Determine the size of the file, needed for mmap: */ + if (fstat(ifd, &sb) < 0) return Z_ERRNO; + buf_len = sb.st_size; + if (buf_len <= 0) return Z_ERRNO; + + /* Now do the actual mmap: */ + buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0); + if (buf == (caddr_t)(-1)) return Z_ERRNO; + + /* Compress the whole file at once: */ + len = gzwrite(out, (char *)buf, (unsigned)buf_len); + + if (len != (int)buf_len) error(gzerror(out, &err)); + + munmap(buf, buf_len); + fclose(in); + if (gzclose(out) != Z_OK) error("failed gzclose"); + return Z_OK; +} +#endif /* USE_MMAP */ + +/* =========================================================================== + * Uncompress input to output then close both files. + */ +void gz_uncompress(in, out) + gzFile in; + FILE *out; +{ + local char buf[BUFLEN]; + int len; + int err; + + for (;;) { + len = gzread(in, buf, sizeof(buf)); + if (len < 0) error (gzerror(in, &err)); + if (len == 0) break; + + if ((int)fwrite(buf, 1, (unsigned)len, out) != len) { + error("failed fwrite"); + } + } + if (fclose(out)) error("failed fclose"); + + if (gzclose(in) != Z_OK) error("failed gzclose"); +} + + +/* =========================================================================== + * Compress the given file: create a corresponding .gz file and remove the + * original. + */ +void file_compress(file, mode) + char *file; + char *mode; +{ + local char outfile[MAX_NAME_LEN]; + FILE *in; + gzFile out; + + if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) { + fprintf(stderr, "%s: filename too long\n", prog); + exit(1); + } + +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX); +#else + strcpy(outfile, file); + strcat(outfile, GZ_SUFFIX); +#endif + + in = fopen(file, "rb"); + if (in == NULL) { + perror(file); + exit(1); + } + out = gzopen(outfile, mode); + if (out == NULL) { + fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile); + exit(1); + } + gz_compress(in, out); + + unlink(file); +} + + +/* =========================================================================== + * Uncompress the given file and remove the original. + */ +void file_uncompress(file) + char *file; +{ + local char buf[MAX_NAME_LEN]; + char *infile, *outfile; + FILE *out; + gzFile in; + z_size_t len = strlen(file); + + if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) { + fprintf(stderr, "%s: filename too long\n", prog); + exit(1); + } + +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(buf, sizeof(buf), "%s", file); +#else + strcpy(buf, file); +#endif + + if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) { + infile = file; + outfile = buf; + outfile[len-3] = '\0'; + } else { + outfile = file; + infile = buf; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX); +#else + strcat(infile, GZ_SUFFIX); +#endif + } + in = gzopen(infile, "rb"); + if (in == NULL) { + fprintf(stderr, "%s: can't gzopen %s\n", prog, infile); + exit(1); + } + out = fopen(outfile, "wb"); + if (out == NULL) { + perror(file); + exit(1); + } + + gz_uncompress(in, out); + + unlink(infile); +} + + +/* =========================================================================== + * Usage: minigzip [-c] [-d] [-f] [-h] [-r] [-1 to -9] [files...] + * -c : write to standard output + * -d : decompress + * -f : compress with Z_FILTERED + * -h : compress with Z_HUFFMAN_ONLY + * -r : compress with Z_RLE + * -1 to -9 : compression level + */ + +int main(argc, argv) + int argc; + char *argv[]; +{ + int copyout = 0; + int uncompr = 0; + gzFile file; + char *bname, outmode[20]; + +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(outmode, sizeof(outmode), "%s", "wb6 "); +#else + strcpy(outmode, "wb6 "); +#endif + + prog = argv[0]; + bname = strrchr(argv[0], '/'); + if (bname) + bname++; + else + bname = argv[0]; + argc--, argv++; + + if (!strcmp(bname, "gunzip")) + uncompr = 1; + else if (!strcmp(bname, "zcat")) + copyout = uncompr = 1; + + while (argc > 0) { + if (strcmp(*argv, "-c") == 0) + copyout = 1; + else if (strcmp(*argv, "-d") == 0) + uncompr = 1; + else if (strcmp(*argv, "-f") == 0) + outmode[3] = 'f'; + else if (strcmp(*argv, "-h") == 0) + outmode[3] = 'h'; + else if (strcmp(*argv, "-r") == 0) + outmode[3] = 'R'; + else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' && + (*argv)[2] == 0) + outmode[2] = (*argv)[1]; + else + break; + argc--, argv++; + } + if (outmode[3] == ' ') + outmode[3] = 0; + if (argc == 0) { + SET_BINARY_MODE(stdin); + SET_BINARY_MODE(stdout); + if (uncompr) { + file = gzdopen(fileno(stdin), "rb"); + if (file == NULL) error("can't gzdopen stdin"); + gz_uncompress(file, stdout); + } else { + file = gzdopen(fileno(stdout), outmode); + if (file == NULL) error("can't gzdopen stdout"); + gz_compress(stdin, file); + } + } else { + if (copyout) { + SET_BINARY_MODE(stdout); + } + do { + if (uncompr) { + if (copyout) { + file = gzopen(*argv, "rb"); + if (file == NULL) + fprintf(stderr, "%s: can't gzopen %s\n", prog, *argv); + else + gz_uncompress(file, stdout); + } else { + file_uncompress(*argv); + } + } else { + if (copyout) { + FILE * in = fopen(*argv, "rb"); + + if (in == NULL) { + perror(*argv); + } else { + file = gzdopen(fileno(stdout), outmode); + if (file == NULL) error("can't gzdopen stdout"); + + gz_compress(in, file); + } + + } else { + file_compress(*argv, outmode); + } + } + } while (argv++, --argc); + } + return 0; +} diff --git a/treebuild.xml b/treebuild.xml new file mode 100644 index 0000000..0017a45 --- /dev/null +++ b/treebuild.xml @@ -0,0 +1,116 @@ + + + + zip compression library + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/trees.c b/trees.c new file mode 100644 index 0000000..5f305c4 --- /dev/null +++ b/trees.c @@ -0,0 +1,1181 @@ +/* trees.c -- output deflated data using Huffman coding + * Copyright (C) 1995-2021 Jean-loup Gailly + * detect_data_type() function provided freely by Cosmin Truta, 2006 + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process uses several Huffman trees. The more + * common source values are represented by shorter bit sequences. + * + * Each code tree is stored in a compressed form which is itself + * a Huffman encoding of the lengths of all the code strings (in + * ascending order by source values). The actual code strings are + * reconstructed from the lengths in the inflate process, as described + * in the deflate specification. + * + * REFERENCES + * + * Deutsch, L.P.,"'Deflate' Compressed Data Format Specification". + * Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc + * + * Storer, James A. + * Data Compression: Methods and Theory, pp. 49-50. + * Computer Science Press, 1988. ISBN 0-7167-8156-5. + * + * Sedgewick, R. + * Algorithms, p290. + * Addison-Wesley, 1983. ISBN 0-201-06672-6. + */ + +/* @(#) $Id$ */ + +/* #define GEN_TREES_H */ + +#include "deflate.h" + +#ifdef ZLIB_DEBUG +# include +#endif + +/* =========================================================================== + * Constants + */ + +#define MAX_BL_BITS 7 +/* Bit length codes must not exceed MAX_BL_BITS bits */ + +#define END_BLOCK 256 +/* end of block literal code */ + +#define REP_3_6 16 +/* repeat previous bit length 3-6 times (2 bits of repeat count) */ + +#define REPZ_3_10 17 +/* repeat a zero length 3-10 times (3 bits of repeat count) */ + +#define REPZ_11_138 18 +/* repeat a zero length 11-138 times (7 bits of repeat count) */ + +local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */ + = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0}; + +local const int extra_dbits[D_CODES] /* extra bits for each distance code */ + = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; + +local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */ + = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7}; + +local const uch bl_order[BL_CODES] + = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15}; +/* The lengths of the bit length codes are sent in order of decreasing + * probability, to avoid transmitting the lengths for unused bit length codes. + */ + +/* =========================================================================== + * Local data. These are initialized only once. + */ + +#define DIST_CODE_LEN 512 /* see definition of array dist_code below */ + +#if defined(GEN_TREES_H) || !defined(STDC) +/* non ANSI compilers may not accept trees.h */ + +local ct_data static_ltree[L_CODES+2]; +/* The static literal tree. Since the bit lengths are imposed, there is no + * need for the L_CODES extra codes used during heap construction. However + * The codes 286 and 287 are needed to build a canonical tree (see _tr_init + * below). + */ + +local ct_data static_dtree[D_CODES]; +/* The static distance tree. (Actually a trivial tree since all codes use + * 5 bits.) + */ + +uch _dist_code[DIST_CODE_LEN]; +/* Distance codes. The first 256 values correspond to the distances + * 3 .. 258, the last 256 values correspond to the top 8 bits of + * the 15 bit distances. + */ + +uch _length_code[MAX_MATCH-MIN_MATCH+1]; +/* length code for each normalized match length (0 == MIN_MATCH) */ + +local int base_length[LENGTH_CODES]; +/* First normalized length for each code (0 = MIN_MATCH) */ + +local int base_dist[D_CODES]; +/* First normalized distance for each code (0 = distance of 1) */ + +#else +# include "trees.h" +#endif /* GEN_TREES_H */ + +struct static_tree_desc_s { + const ct_data *static_tree; /* static tree or NULL */ + const intf *extra_bits; /* extra bits for each code or NULL */ + int extra_base; /* base index for extra_bits */ + int elems; /* max number of elements in the tree */ + int max_length; /* max bit length for the codes */ +}; + +local const static_tree_desc static_l_desc = +{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; + +local const static_tree_desc static_d_desc = +{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS}; + +local const static_tree_desc static_bl_desc = +{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS}; + +/* =========================================================================== + * Local (static) routines in this file. + */ + +local void tr_static_init OF((void)); +local void init_block OF((deflate_state *s)); +local void pqdownheap OF((deflate_state *s, ct_data *tree, int k)); +local void gen_bitlen OF((deflate_state *s, tree_desc *desc)); +local void gen_codes OF((ct_data *tree, int max_code, ushf *bl_count)); +local void build_tree OF((deflate_state *s, tree_desc *desc)); +local void scan_tree OF((deflate_state *s, ct_data *tree, int max_code)); +local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); +local int build_bl_tree OF((deflate_state *s)); +local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, + int blcodes)); +local void compress_block OF((deflate_state *s, const ct_data *ltree, + const ct_data *dtree)); +local int detect_data_type OF((deflate_state *s)); +local unsigned bi_reverse OF((unsigned code, int len)); +local void bi_windup OF((deflate_state *s)); +local void bi_flush OF((deflate_state *s)); + +#ifdef GEN_TREES_H +local void gen_trees_header OF((void)); +#endif + +#ifndef ZLIB_DEBUG +# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len) + /* Send a code of the given tree. c and tree must not have side effects */ + +#else /* !ZLIB_DEBUG */ +# define send_code(s, c, tree) \ + { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \ + send_bits(s, tree[c].Code, tree[c].Len); } +#endif + +/* =========================================================================== + * Output a short LSB first on the stream. + * IN assertion: there is enough room in pendingBuf. + */ +#define put_short(s, w) { \ + put_byte(s, (uch)((w) & 0xff)); \ + put_byte(s, (uch)((ush)(w) >> 8)); \ +} + +/* =========================================================================== + * Send a value on a given number of bits. + * IN assertion: length <= 16 and value fits in length bits. + */ +#ifdef ZLIB_DEBUG +local void send_bits OF((deflate_state *s, int value, int length)); + +local void send_bits(s, value, length) + deflate_state *s; + int value; /* value to send */ + int length; /* number of bits */ +{ + Tracevv((stderr," l %2d v %4x ", length, value)); + Assert(length > 0 && length <= 15, "invalid length"); + s->bits_sent += (ulg)length; + + /* If not enough room in bi_buf, use (valid) bits from bi_buf and + * (16 - bi_valid) bits from value, leaving (width - (16 - bi_valid)) + * unused bits in value. + */ + if (s->bi_valid > (int)Buf_size - length) { + s->bi_buf |= (ush)value << s->bi_valid; + put_short(s, s->bi_buf); + s->bi_buf = (ush)value >> (Buf_size - s->bi_valid); + s->bi_valid += length - Buf_size; + } else { + s->bi_buf |= (ush)value << s->bi_valid; + s->bi_valid += length; + } +} +#else /* !ZLIB_DEBUG */ + +#define send_bits(s, value, length) \ +{ int len = length;\ + if (s->bi_valid > (int)Buf_size - len) {\ + int val = (int)value;\ + s->bi_buf |= (ush)val << s->bi_valid;\ + put_short(s, s->bi_buf);\ + s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\ + s->bi_valid += len - Buf_size;\ + } else {\ + s->bi_buf |= (ush)(value) << s->bi_valid;\ + s->bi_valid += len;\ + }\ +} +#endif /* ZLIB_DEBUG */ + + +/* the arguments must not have side effects */ + +/* =========================================================================== + * Initialize the various 'constant' tables. + */ +local void tr_static_init() +{ +#if defined(GEN_TREES_H) || !defined(STDC) + static int static_init_done = 0; + int n; /* iterates over tree elements */ + int bits; /* bit counter */ + int length; /* length value */ + int code; /* code value */ + int dist; /* distance index */ + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + if (static_init_done) return; + + /* For some embedded targets, global variables are not initialized: */ +#ifdef NO_INIT_GLOBAL_POINTERS + static_l_desc.static_tree = static_ltree; + static_l_desc.extra_bits = extra_lbits; + static_d_desc.static_tree = static_dtree; + static_d_desc.extra_bits = extra_dbits; + static_bl_desc.extra_bits = extra_blbits; +#endif + + /* Initialize the mapping length (0..255) -> length code (0..28) */ + length = 0; + for (code = 0; code < LENGTH_CODES-1; code++) { + base_length[code] = length; + for (n = 0; n < (1 << extra_lbits[code]); n++) { + _length_code[length++] = (uch)code; + } + } + Assert (length == 256, "tr_static_init: length != 256"); + /* Note that the length 255 (match length 258) can be represented + * in two different ways: code 284 + 5 bits or code 285, so we + * overwrite length_code[255] to use the best encoding: + */ + _length_code[length - 1] = (uch)code; + + /* Initialize the mapping dist (0..32K) -> dist code (0..29) */ + dist = 0; + for (code = 0 ; code < 16; code++) { + base_dist[code] = dist; + for (n = 0; n < (1 << extra_dbits[code]); n++) { + _dist_code[dist++] = (uch)code; + } + } + Assert (dist == 256, "tr_static_init: dist != 256"); + dist >>= 7; /* from now on, all distances are divided by 128 */ + for ( ; code < D_CODES; code++) { + base_dist[code] = dist << 7; + for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) { + _dist_code[256 + dist++] = (uch)code; + } + } + Assert (dist == 256, "tr_static_init: 256 + dist != 512"); + + /* Construct the codes of the static literal tree */ + for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; + n = 0; + while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++; + while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++; + while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++; + while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++; + /* Codes 286 and 287 do not exist, but we must include them in the + * tree construction to get a canonical Huffman tree (longest code + * all ones) + */ + gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count); + + /* The static distance tree is trivial: */ + for (n = 0; n < D_CODES; n++) { + static_dtree[n].Len = 5; + static_dtree[n].Code = bi_reverse((unsigned)n, 5); + } + static_init_done = 1; + +# ifdef GEN_TREES_H + gen_trees_header(); +# endif +#endif /* defined(GEN_TREES_H) || !defined(STDC) */ +} + +/* =========================================================================== + * Generate the file trees.h describing the static trees. + */ +#ifdef GEN_TREES_H +# ifndef ZLIB_DEBUG +# include +# endif + +# define SEPARATOR(i, last, width) \ + ((i) == (last)? "\n};\n\n" : \ + ((i) % (width) == (width) - 1 ? ",\n" : ", ")) + +void gen_trees_header() +{ + FILE *header = fopen("trees.h", "w"); + int i; + + Assert (header != NULL, "Can't open trees.h"); + fprintf(header, + "/* header created automatically with -DGEN_TREES_H */\n\n"); + + fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n"); + for (i = 0; i < L_CODES+2; i++) { + fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code, + static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5)); + } + + fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code, + static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5)); + } + + fprintf(header, "const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = {\n"); + for (i = 0; i < DIST_CODE_LEN; i++) { + fprintf(header, "%2u%s", _dist_code[i], + SEPARATOR(i, DIST_CODE_LEN-1, 20)); + } + + fprintf(header, + "const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= {\n"); + for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) { + fprintf(header, "%2u%s", _length_code[i], + SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20)); + } + + fprintf(header, "local const int base_length[LENGTH_CODES] = {\n"); + for (i = 0; i < LENGTH_CODES; i++) { + fprintf(header, "%1u%s", base_length[i], + SEPARATOR(i, LENGTH_CODES-1, 20)); + } + + fprintf(header, "local const int base_dist[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "%5u%s", base_dist[i], + SEPARATOR(i, D_CODES-1, 10)); + } + + fclose(header); +} +#endif /* GEN_TREES_H */ + +/* =========================================================================== + * Initialize the tree data structures for a new zlib stream. + */ +void ZLIB_INTERNAL _tr_init(s) + deflate_state *s; +{ + tr_static_init(); + + s->l_desc.dyn_tree = s->dyn_ltree; + s->l_desc.stat_desc = &static_l_desc; + + s->d_desc.dyn_tree = s->dyn_dtree; + s->d_desc.stat_desc = &static_d_desc; + + s->bl_desc.dyn_tree = s->bl_tree; + s->bl_desc.stat_desc = &static_bl_desc; + + s->bi_buf = 0; + s->bi_valid = 0; +#ifdef ZLIB_DEBUG + s->compressed_len = 0L; + s->bits_sent = 0L; +#endif + + /* Initialize the first block of the first file: */ + init_block(s); +} + +/* =========================================================================== + * Initialize a new block. + */ +local void init_block(s) + deflate_state *s; +{ + int n; /* iterates over tree elements */ + + /* Initialize the trees. */ + for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0; + for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0; + for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0; + + s->dyn_ltree[END_BLOCK].Freq = 1; + s->opt_len = s->static_len = 0L; + s->sym_next = s->matches = 0; +} + +#define SMALLEST 1 +/* Index within the heap array of least frequent node in the Huffman tree */ + + +/* =========================================================================== + * Remove the smallest element from the heap and recreate the heap with + * one less element. Updates heap and heap_len. + */ +#define pqremove(s, tree, top) \ +{\ + top = s->heap[SMALLEST]; \ + s->heap[SMALLEST] = s->heap[s->heap_len--]; \ + pqdownheap(s, tree, SMALLEST); \ +} + +/* =========================================================================== + * Compares to subtrees, using the tree depth as tie breaker when + * the subtrees have equal frequency. This minimizes the worst case length. + */ +#define smaller(tree, n, m, depth) \ + (tree[n].Freq < tree[m].Freq || \ + (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m])) + +/* =========================================================================== + * Restore the heap property by moving down the tree starting at node k, + * exchanging a node with the smallest of its two sons if necessary, stopping + * when the heap property is re-established (each father smaller than its + * two sons). + */ +local void pqdownheap(s, tree, k) + deflate_state *s; + ct_data *tree; /* the tree to restore */ + int k; /* node to move down */ +{ + int v = s->heap[k]; + int j = k << 1; /* left son of k */ + while (j <= s->heap_len) { + /* Set j to the smallest of the two sons: */ + if (j < s->heap_len && + smaller(tree, s->heap[j + 1], s->heap[j], s->depth)) { + j++; + } + /* Exit if v is smaller than both sons */ + if (smaller(tree, v, s->heap[j], s->depth)) break; + + /* Exchange v with the smallest son */ + s->heap[k] = s->heap[j]; k = j; + + /* And continue down the tree, setting j to the left son of k */ + j <<= 1; + } + s->heap[k] = v; +} + +/* =========================================================================== + * Compute the optimal bit lengths for a tree and update the total bit length + * for the current block. + * IN assertion: the fields freq and dad are set, heap[heap_max] and + * above are the tree nodes sorted by increasing frequency. + * OUT assertions: the field len is set to the optimal bit length, the + * array bl_count contains the frequencies for each bit length. + * The length opt_len is updated; static_len is also updated if stree is + * not null. + */ +local void gen_bitlen(s, desc) + deflate_state *s; + tree_desc *desc; /* the tree descriptor */ +{ + ct_data *tree = desc->dyn_tree; + int max_code = desc->max_code; + const ct_data *stree = desc->stat_desc->static_tree; + const intf *extra = desc->stat_desc->extra_bits; + int base = desc->stat_desc->extra_base; + int max_length = desc->stat_desc->max_length; + int h; /* heap index */ + int n, m; /* iterate over the tree elements */ + int bits; /* bit length */ + int xbits; /* extra bits */ + ush f; /* frequency */ + int overflow = 0; /* number of elements with bit length too large */ + + for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0; + + /* In a first pass, compute the optimal bit lengths (which may + * overflow in the case of the bit length tree). + */ + tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ + + for (h = s->heap_max + 1; h < HEAP_SIZE; h++) { + n = s->heap[h]; + bits = tree[tree[n].Dad].Len + 1; + if (bits > max_length) bits = max_length, overflow++; + tree[n].Len = (ush)bits; + /* We overwrite tree[n].Dad which is no longer needed */ + + if (n > max_code) continue; /* not a leaf node */ + + s->bl_count[bits]++; + xbits = 0; + if (n >= base) xbits = extra[n - base]; + f = tree[n].Freq; + s->opt_len += (ulg)f * (unsigned)(bits + xbits); + if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits); + } + if (overflow == 0) return; + + Tracev((stderr,"\nbit length overflow\n")); + /* This happens for example on obj2 and pic of the Calgary corpus */ + + /* Find the first bit length which could increase: */ + do { + bits = max_length - 1; + while (s->bl_count[bits] == 0) bits--; + s->bl_count[bits]--; /* move one leaf down the tree */ + s->bl_count[bits + 1] += 2; /* move one overflow item as its brother */ + s->bl_count[max_length]--; + /* The brother of the overflow item also moves one step up, + * but this does not affect bl_count[max_length] + */ + overflow -= 2; + } while (overflow > 0); + + /* Now recompute all bit lengths, scanning in increasing frequency. + * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all + * lengths instead of fixing only the wrong ones. This idea is taken + * from 'ar' written by Haruhiko Okumura.) + */ + for (bits = max_length; bits != 0; bits--) { + n = s->bl_count[bits]; + while (n != 0) { + m = s->heap[--h]; + if (m > max_code) continue; + if ((unsigned) tree[m].Len != (unsigned) bits) { + Tracev((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); + s->opt_len += ((ulg)bits - tree[m].Len) * tree[m].Freq; + tree[m].Len = (ush)bits; + } + n--; + } + } +} + +/* =========================================================================== + * Generate the codes for a given tree and bit counts (which need not be + * optimal). + * IN assertion: the array bl_count contains the bit length statistics for + * the given tree and the field len is set for all tree elements. + * OUT assertion: the field code is set for all tree elements of non + * zero code length. + */ +local void gen_codes(tree, max_code, bl_count) + ct_data *tree; /* the tree to decorate */ + int max_code; /* largest code with non zero frequency */ + ushf *bl_count; /* number of codes at each bit length */ +{ + ush next_code[MAX_BITS+1]; /* next code value for each bit length */ + unsigned code = 0; /* running code value */ + int bits; /* bit index */ + int n; /* code index */ + + /* The distribution counts are first used to generate the code values + * without bit reversal. + */ + for (bits = 1; bits <= MAX_BITS; bits++) { + code = (code + bl_count[bits - 1]) << 1; + next_code[bits] = (ush)code; + } + /* Check that the bit counts in bl_count are consistent. The last code + * must be all ones. + */ + Assert (code + bl_count[MAX_BITS] - 1 == (1 << MAX_BITS) - 1, + "inconsistent bit counts"); + Tracev((stderr,"\ngen_codes: max_code %d ", max_code)); + + for (n = 0; n <= max_code; n++) { + int len = tree[n].Len; + if (len == 0) continue; + /* Now reverse the bits */ + tree[n].Code = (ush)bi_reverse(next_code[len]++, len); + + Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ", + n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len] - 1)); + } +} + +/* =========================================================================== + * Construct one Huffman tree and assigns the code bit strings and lengths. + * Update the total bit length for the current block. + * IN assertion: the field freq is set for all tree elements. + * OUT assertions: the fields len and code are set to the optimal bit length + * and corresponding code. The length opt_len is updated; static_len is + * also updated if stree is not null. The field max_code is set. + */ +local void build_tree(s, desc) + deflate_state *s; + tree_desc *desc; /* the tree descriptor */ +{ + ct_data *tree = desc->dyn_tree; + const ct_data *stree = desc->stat_desc->static_tree; + int elems = desc->stat_desc->elems; + int n, m; /* iterate over heap elements */ + int max_code = -1; /* largest code with non zero frequency */ + int node; /* new node being created */ + + /* Construct the initial heap, with least frequent element in + * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1]. + * heap[0] is not used. + */ + s->heap_len = 0, s->heap_max = HEAP_SIZE; + + for (n = 0; n < elems; n++) { + if (tree[n].Freq != 0) { + s->heap[++(s->heap_len)] = max_code = n; + s->depth[n] = 0; + } else { + tree[n].Len = 0; + } + } + + /* The pkzip format requires that at least one distance code exists, + * and that at least one bit should be sent even if there is only one + * possible code. So to avoid special checks later on we force at least + * two codes of non zero frequency. + */ + while (s->heap_len < 2) { + node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0); + tree[node].Freq = 1; + s->depth[node] = 0; + s->opt_len--; if (stree) s->static_len -= stree[node].Len; + /* node is 0 or 1 so it does not have extra bits */ + } + desc->max_code = max_code; + + /* The elements heap[heap_len/2 + 1 .. heap_len] are leaves of the tree, + * establish sub-heaps of increasing lengths: + */ + for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); + + /* Construct the Huffman tree by repeatedly combining the least two + * frequent nodes. + */ + node = elems; /* next internal node of the tree */ + do { + pqremove(s, tree, n); /* n = node of least frequency */ + m = s->heap[SMALLEST]; /* m = node of next least frequency */ + + s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */ + s->heap[--(s->heap_max)] = m; + + /* Create a new node father of n and m */ + tree[node].Freq = tree[n].Freq + tree[m].Freq; + s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ? + s->depth[n] : s->depth[m]) + 1); + tree[n].Dad = tree[m].Dad = (ush)node; +#ifdef DUMP_BL_TREE + if (tree == s->bl_tree) { + fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)", + node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq); + } +#endif + /* and insert the new node in the heap */ + s->heap[SMALLEST] = node++; + pqdownheap(s, tree, SMALLEST); + + } while (s->heap_len >= 2); + + s->heap[--(s->heap_max)] = s->heap[SMALLEST]; + + /* At this point, the fields freq and dad are set. We can now + * generate the bit lengths. + */ + gen_bitlen(s, (tree_desc *)desc); + + /* The field len is now set, we can generate the bit codes */ + gen_codes ((ct_data *)tree, max_code, s->bl_count); +} + +/* =========================================================================== + * Scan a literal or distance tree to determine the frequencies of the codes + * in the bit length tree. + */ +local void scan_tree(s, tree, max_code) + deflate_state *s; + ct_data *tree; /* the tree to be scanned */ + int max_code; /* and its largest code of non zero frequency */ +{ + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + if (nextlen == 0) max_count = 138, min_count = 3; + tree[max_code + 1].Len = (ush)0xffff; /* guard */ + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n + 1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + s->bl_tree[curlen].Freq += count; + } else if (curlen != 0) { + if (curlen != prevlen) s->bl_tree[curlen].Freq++; + s->bl_tree[REP_3_6].Freq++; + } else if (count <= 10) { + s->bl_tree[REPZ_3_10].Freq++; + } else { + s->bl_tree[REPZ_11_138].Freq++; + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Send a literal or distance tree in compressed form, using the codes in + * bl_tree. + */ +local void send_tree(s, tree, max_code) + deflate_state *s; + ct_data *tree; /* the tree to be scanned */ + int max_code; /* and its largest code of non zero frequency */ +{ + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + /* tree[max_code + 1].Len = -1; */ /* guard already set */ + if (nextlen == 0) max_count = 138, min_count = 3; + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n + 1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + do { send_code(s, curlen, s->bl_tree); } while (--count != 0); + + } else if (curlen != 0) { + if (curlen != prevlen) { + send_code(s, curlen, s->bl_tree); count--; + } + Assert(count >= 3 && count <= 6, " 3_6?"); + send_code(s, REP_3_6, s->bl_tree); send_bits(s, count - 3, 2); + + } else if (count <= 10) { + send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count - 3, 3); + + } else { + send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count - 11, 7); + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Construct the Huffman tree for the bit lengths and return the index in + * bl_order of the last bit length code to send. + */ +local int build_bl_tree(s) + deflate_state *s; +{ + int max_blindex; /* index of last bit length code of non zero freq */ + + /* Determine the bit length frequencies for literal and distance trees */ + scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code); + scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code); + + /* Build the bit length tree: */ + build_tree(s, (tree_desc *)(&(s->bl_desc))); + /* opt_len now includes the length of the tree representations, except the + * lengths of the bit lengths codes and the 5 + 5 + 4 bits for the counts. + */ + + /* Determine the number of bit length codes to send. The pkzip format + * requires that at least 4 bit length codes be sent. (appnote.txt says + * 3 but the actual value used is 4.) + */ + for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) { + if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; + } + /* Update opt_len to include the bit length tree and counts */ + s->opt_len += 3*((ulg)max_blindex + 1) + 5 + 5 + 4; + Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", + s->opt_len, s->static_len)); + + return max_blindex; +} + +/* =========================================================================== + * Send the header for a block using dynamic Huffman trees: the counts, the + * lengths of the bit length codes, the literal tree and the distance tree. + * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. + */ +local void send_all_trees(s, lcodes, dcodes, blcodes) + deflate_state *s; + int lcodes, dcodes, blcodes; /* number of codes for each tree */ +{ + int rank; /* index in bl_order */ + + Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); + Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, + "too many codes"); + Tracev((stderr, "\nbl counts: ")); + send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */ + send_bits(s, dcodes - 1, 5); + send_bits(s, blcodes - 4, 4); /* not -3 as stated in appnote.txt */ + for (rank = 0; rank < blcodes; rank++) { + Tracev((stderr, "\nbl code %2d ", bl_order[rank])); + send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); + } + Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_ltree, lcodes - 1); /* literal tree */ + Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_dtree, dcodes - 1); /* distance tree */ + Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); +} + +/* =========================================================================== + * Send a stored block + */ +void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) + deflate_state *s; + charf *buf; /* input block */ + ulg stored_len; /* length of input block */ + int last; /* one if this is the last block for a file */ +{ + send_bits(s, (STORED_BLOCK<<1) + last, 3); /* send block type */ + bi_windup(s); /* align on byte boundary */ + put_short(s, (ush)stored_len); + put_short(s, (ush)~stored_len); + if (stored_len) + zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); + s->pending += stored_len; +#ifdef ZLIB_DEBUG + s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; + s->compressed_len += (stored_len + 4) << 3; + s->bits_sent += 2*16; + s->bits_sent += stored_len << 3; +#endif +} + +/* =========================================================================== + * Flush the bits in the bit buffer to pending output (leaves at most 7 bits) + */ +void ZLIB_INTERNAL _tr_flush_bits(s) + deflate_state *s; +{ + bi_flush(s); +} + +/* =========================================================================== + * Send one empty static block to give enough lookahead for inflate. + * This takes 10 bits, of which 7 may remain in the bit buffer. + */ +void ZLIB_INTERNAL _tr_align(s) + deflate_state *s; +{ + send_bits(s, STATIC_TREES<<1, 3); + send_code(s, END_BLOCK, static_ltree); +#ifdef ZLIB_DEBUG + s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ +#endif + bi_flush(s); +} + +/* =========================================================================== + * Determine the best encoding for the current block: dynamic trees, static + * trees or store, and write out the encoded block. + */ +void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) + deflate_state *s; + charf *buf; /* input block, or NULL if too old */ + ulg stored_len; /* length of input block */ + int last; /* one if this is the last block for a file */ +{ + ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ + int max_blindex = 0; /* index of last bit length code of non zero freq */ + + /* Build the Huffman trees unless a stored block is forced */ + if (s->level > 0) { + + /* Check if the file is binary or text */ + if (s->strm->data_type == Z_UNKNOWN) + s->strm->data_type = detect_data_type(s); + + /* Construct the literal and distance trees */ + build_tree(s, (tree_desc *)(&(s->l_desc))); + Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + + build_tree(s, (tree_desc *)(&(s->d_desc))); + Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + /* At this point, opt_len and static_len are the total bit lengths of + * the compressed block data, excluding the tree representations. + */ + + /* Build the bit length tree for the above two trees, and get the index + * in bl_order of the last bit length code to send. + */ + max_blindex = build_bl_tree(s); + + /* Determine the best encoding. Compute the block lengths in bytes. */ + opt_lenb = (s->opt_len + 3 + 7) >> 3; + static_lenb = (s->static_len + 3 + 7) >> 3; + + Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", + opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, + s->sym_next / 3)); + +#ifndef FORCE_STATIC + if (static_lenb <= opt_lenb || s->strategy == Z_FIXED) +#endif + opt_lenb = static_lenb; + + } else { + Assert(buf != (char*)0, "lost buf"); + opt_lenb = static_lenb = stored_len + 5; /* force a stored block */ + } + +#ifdef FORCE_STORED + if (buf != (char*)0) { /* force stored block */ +#else + if (stored_len + 4 <= opt_lenb && buf != (char*)0) { + /* 4: two words for the lengths */ +#endif + /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. + * Otherwise we can't have processed more than WSIZE input bytes since + * the last block flush, because compression would have been + * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to + * transform a block into a stored block. + */ + _tr_stored_block(s, buf, stored_len, last); + + } else if (static_lenb == opt_lenb) { + send_bits(s, (STATIC_TREES<<1) + last, 3); + compress_block(s, (const ct_data *)static_ltree, + (const ct_data *)static_dtree); +#ifdef ZLIB_DEBUG + s->compressed_len += 3 + s->static_len; +#endif + } else { + send_bits(s, (DYN_TREES<<1) + last, 3); + send_all_trees(s, s->l_desc.max_code + 1, s->d_desc.max_code + 1, + max_blindex + 1); + compress_block(s, (const ct_data *)s->dyn_ltree, + (const ct_data *)s->dyn_dtree); +#ifdef ZLIB_DEBUG + s->compressed_len += 3 + s->opt_len; +#endif + } + Assert (s->compressed_len == s->bits_sent, "bad compressed size"); + /* The above check is made mod 2^32, for files larger than 512 MB + * and uLong implemented on 32 bits. + */ + init_block(s); + + if (last) { + bi_windup(s); +#ifdef ZLIB_DEBUG + s->compressed_len += 7; /* align on byte boundary */ +#endif + } + Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len >> 3, + s->compressed_len - 7*last)); +} + +/* =========================================================================== + * Save the match info and tally the frequency counts. Return true if + * the current block must be flushed. + */ +int ZLIB_INTERNAL _tr_tally(s, dist, lc) + deflate_state *s; + unsigned dist; /* distance of matched string */ + unsigned lc; /* match length - MIN_MATCH or unmatched char (dist==0) */ +{ + s->sym_buf[s->sym_next++] = (uch)dist; + s->sym_buf[s->sym_next++] = (uch)(dist >> 8); + s->sym_buf[s->sym_next++] = (uch)lc; + if (dist == 0) { + /* lc is the unmatched char */ + s->dyn_ltree[lc].Freq++; + } else { + s->matches++; + /* Here, lc is the match length - MIN_MATCH */ + dist--; /* dist = match distance - 1 */ + Assert((ush)dist < (ush)MAX_DIST(s) && + (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && + (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match"); + + s->dyn_ltree[_length_code[lc] + LITERALS + 1].Freq++; + s->dyn_dtree[d_code(dist)].Freq++; + } + return (s->sym_next == s->sym_end); +} + +/* =========================================================================== + * Send the block data compressed using the given Huffman trees + */ +local void compress_block(s, ltree, dtree) + deflate_state *s; + const ct_data *ltree; /* literal tree */ + const ct_data *dtree; /* distance tree */ +{ + unsigned dist; /* distance of matched string */ + int lc; /* match length or unmatched char (if dist == 0) */ + unsigned sx = 0; /* running index in sym_buf */ + unsigned code; /* the code to send */ + int extra; /* number of extra bits to send */ + + if (s->sym_next != 0) do { + dist = s->sym_buf[sx++] & 0xff; + dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8; + lc = s->sym_buf[sx++]; + if (dist == 0) { + send_code(s, lc, ltree); /* send a literal byte */ + Tracecv(isgraph(lc), (stderr," '%c' ", lc)); + } else { + /* Here, lc is the match length - MIN_MATCH */ + code = _length_code[lc]; + send_code(s, code + LITERALS + 1, ltree); /* send length code */ + extra = extra_lbits[code]; + if (extra != 0) { + lc -= base_length[code]; + send_bits(s, lc, extra); /* send the extra length bits */ + } + dist--; /* dist is now the match distance - 1 */ + code = d_code(dist); + Assert (code < D_CODES, "bad d_code"); + + send_code(s, code, dtree); /* send the distance code */ + extra = extra_dbits[code]; + if (extra != 0) { + dist -= (unsigned)base_dist[code]; + send_bits(s, dist, extra); /* send the extra distance bits */ + } + } /* literal or match pair ? */ + + /* Check that the overlay between pending_buf and sym_buf is ok: */ + Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow"); + + } while (sx < s->sym_next); + + send_code(s, END_BLOCK, ltree); +} + +/* =========================================================================== + * Check if the data type is TEXT or BINARY, using the following algorithm: + * - TEXT if the two conditions below are satisfied: + * a) There are no non-portable control characters belonging to the + * "block list" (0..6, 14..25, 28..31). + * b) There is at least one printable character belonging to the + * "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255). + * - BINARY otherwise. + * - The following partially-portable control characters form a + * "gray list" that is ignored in this detection algorithm: + * (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}). + * IN assertion: the fields Freq of dyn_ltree are set. + */ +local int detect_data_type(s) + deflate_state *s; +{ + /* block_mask is the bit mask of block-listed bytes + * set bits 0..6, 14..25, and 28..31 + * 0xf3ffc07f = binary 11110011111111111100000001111111 + */ + unsigned long block_mask = 0xf3ffc07fUL; + int n; + + /* Check for non-textual ("block-listed") bytes. */ + for (n = 0; n <= 31; n++, block_mask >>= 1) + if ((block_mask & 1) && (s->dyn_ltree[n].Freq != 0)) + return Z_BINARY; + + /* Check for textual ("allow-listed") bytes. */ + if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0 + || s->dyn_ltree[13].Freq != 0) + return Z_TEXT; + for (n = 32; n < LITERALS; n++) + if (s->dyn_ltree[n].Freq != 0) + return Z_TEXT; + + /* There are no "block-listed" or "allow-listed" bytes: + * this stream either is empty or has tolerated ("gray-listed") bytes only. + */ + return Z_BINARY; +} + +/* =========================================================================== + * Reverse the first len bits of a code, using straightforward code (a faster + * method would use a table) + * IN assertion: 1 <= len <= 15 + */ +local unsigned bi_reverse(code, len) + unsigned code; /* the value to invert */ + int len; /* its bit length */ +{ + register unsigned res = 0; + do { + res |= code & 1; + code >>= 1, res <<= 1; + } while (--len > 0); + return res >> 1; +} + +/* =========================================================================== + * Flush the bit buffer, keeping at most 7 bits in it. + */ +local void bi_flush(s) + deflate_state *s; +{ + if (s->bi_valid == 16) { + put_short(s, s->bi_buf); + s->bi_buf = 0; + s->bi_valid = 0; + } else if (s->bi_valid >= 8) { + put_byte(s, (Byte)s->bi_buf); + s->bi_buf >>= 8; + s->bi_valid -= 8; + } +} + +/* =========================================================================== + * Flush the bit buffer and align the output on a byte boundary + */ +local void bi_windup(s) + deflate_state *s; +{ + if (s->bi_valid > 8) { + put_short(s, s->bi_buf); + } else if (s->bi_valid > 0) { + put_byte(s, (Byte)s->bi_buf); + } + s->bi_buf = 0; + s->bi_valid = 0; +#ifdef ZLIB_DEBUG + s->bits_sent = (s->bits_sent + 7) & ~7; +#endif +} diff --git a/trees.h b/trees.h new file mode 100644 index 0000000..d35639d --- /dev/null +++ b/trees.h @@ -0,0 +1,128 @@ +/* header created automatically with -DGEN_TREES_H */ + +local const ct_data static_ltree[L_CODES+2] = { +{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}}, +{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}}, +{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}}, +{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}}, +{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}}, +{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}}, +{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}}, +{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}}, +{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}}, +{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}}, +{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}}, +{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}}, +{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}}, +{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}}, +{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}}, +{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}}, +{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}}, +{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}}, +{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}}, +{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}}, +{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}}, +{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}}, +{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}}, +{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}}, +{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}}, +{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}}, +{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}}, +{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}}, +{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}}, +{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}}, +{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}}, +{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}}, +{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}}, +{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}}, +{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}}, +{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}}, +{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}}, +{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}}, +{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}}, +{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}}, +{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}}, +{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}}, +{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}}, +{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}}, +{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}}, +{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}}, +{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}}, +{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}}, +{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}}, +{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}}, +{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}}, +{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}}, +{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}}, +{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}}, +{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}}, +{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}}, +{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}}, +{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}} +}; + +local const ct_data static_dtree[D_CODES] = { +{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}}, +{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}}, +{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}}, +{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}}, +{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}}, +{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}} +}; + +const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = { + 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, +10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, +11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, +12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17, +18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 +}; + +const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, +13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, +17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, +19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, +21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, +22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 +}; + +local const int base_length[LENGTH_CODES] = { +0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, +64, 80, 96, 112, 128, 160, 192, 224, 0 +}; + +local const int base_dist[D_CODES] = { + 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, + 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, + 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576 +}; + diff --git a/uncompr.c b/uncompr.c new file mode 100644 index 0000000..f9532f4 --- /dev/null +++ b/uncompr.c @@ -0,0 +1,93 @@ +/* uncompr.c -- decompress a memory buffer + * Copyright (C) 1995-2003, 2010, 2014, 2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#define ZLIB_INTERNAL +#include "zlib.h" + +/* =========================================================================== + Decompresses the source buffer into the destination buffer. *sourceLen is + the byte length of the source buffer. Upon entry, *destLen is the total size + of the destination buffer, which must be large enough to hold the entire + uncompressed data. (The size of the uncompressed data must have been saved + previously by the compressor and transmitted to the decompressor by some + mechanism outside the scope of this compression library.) Upon exit, + *destLen is the size of the decompressed data and *sourceLen is the number + of source bytes consumed. Upon return, source + *sourceLen points to the + first unused input byte. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, or + Z_DATA_ERROR if the input data was corrupted, including if the input data is + an incomplete zlib stream. +*/ +int ZEXPORT uncompress2(dest, destLen, source, sourceLen) + Bytef *dest; + uLongf *destLen; + const Bytef *source; + uLong *sourceLen; +{ + z_stream stream; + int err; + const uInt max = (uInt)-1; + uLong len, left; + Byte buf[1]; /* for detection of incomplete stream when *destLen == 0 */ + + len = *sourceLen; + if (*destLen) { + left = *destLen; + *destLen = 0; + } + else { + left = 1; + dest = buf; + } + + stream.next_in = (z_const Bytef *)source; + stream.avail_in = 0; + stream.zalloc = (alloc_func)0; + stream.zfree = (free_func)0; + stream.opaque = (voidpf)0; + + err = inflateInit(&stream); + if (err != Z_OK) return err; + + stream.next_out = dest; + stream.avail_out = 0; + + do { + if (stream.avail_out == 0) { + stream.avail_out = left > (uLong)max ? max : (uInt)left; + left -= stream.avail_out; + } + if (stream.avail_in == 0) { + stream.avail_in = len > (uLong)max ? max : (uInt)len; + len -= stream.avail_in; + } + err = inflate(&stream, Z_NO_FLUSH); + } while (err == Z_OK); + + *sourceLen -= len + stream.avail_in; + if (dest != buf) + *destLen = stream.total_out; + else if (stream.total_out && err == Z_BUF_ERROR) + left = 1; + + inflateEnd(&stream); + return err == Z_STREAM_END ? Z_OK : + err == Z_NEED_DICT ? Z_DATA_ERROR : + err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR : + err; +} + +int ZEXPORT uncompress(dest, destLen, source, sourceLen) + Bytef *dest; + uLongf *destLen; + const Bytef *source; + uLong sourceLen; +{ + return uncompress2(dest, destLen, source, &sourceLen); +} diff --git a/watcom/watcom_f.mak b/watcom/watcom_f.mak new file mode 100644 index 0000000..37f4d74 --- /dev/null +++ b/watcom/watcom_f.mak @@ -0,0 +1,43 @@ +# Makefile for zlib +# OpenWatcom flat model +# Last updated: 28-Dec-2005 + +# To use, do "wmake -f watcom_f.mak" + +C_SOURCE = adler32.c compress.c crc32.c deflate.c & + gzclose.c gzlib.c gzread.c gzwrite.c & + infback.c inffast.c inflate.c inftrees.c & + trees.c uncompr.c zutil.c + +OBJS = adler32.obj compress.obj crc32.obj deflate.obj & + gzclose.obj gzlib.obj gzread.obj gzwrite.obj & + infback.obj inffast.obj inflate.obj inftrees.obj & + trees.obj uncompr.obj zutil.obj + +CC = wcc386 +LINKER = wcl386 +CFLAGS = -zq -mf -3r -fp3 -s -bt=dos -oilrtfm -fr=nul -wx +ZLIB_LIB = zlib_f.lib + +.C.OBJ: + $(CC) $(CFLAGS) $[@ + +all: $(ZLIB_LIB) example.exe minigzip.exe + +$(ZLIB_LIB): $(OBJS) + wlib -b -c $(ZLIB_LIB) -+adler32.obj -+compress.obj -+crc32.obj + wlib -b -c $(ZLIB_LIB) -+gzclose.obj -+gzlib.obj -+gzread.obj -+gzwrite.obj + wlib -b -c $(ZLIB_LIB) -+deflate.obj -+infback.obj + wlib -b -c $(ZLIB_LIB) -+inffast.obj -+inflate.obj -+inftrees.obj + wlib -b -c $(ZLIB_LIB) -+trees.obj -+uncompr.obj -+zutil.obj + +example.exe: $(ZLIB_LIB) example.obj + $(LINKER) -ldos32a -fe=example.exe example.obj $(ZLIB_LIB) + +minigzip.exe: $(ZLIB_LIB) minigzip.obj + $(LINKER) -ldos32a -fe=minigzip.exe minigzip.obj $(ZLIB_LIB) + +clean: .SYMBOLIC + del *.obj + del $(ZLIB_LIB) + @echo Cleaning done diff --git a/watcom/watcom_l.mak b/watcom/watcom_l.mak new file mode 100644 index 0000000..193eed7 --- /dev/null +++ b/watcom/watcom_l.mak @@ -0,0 +1,43 @@ +# Makefile for zlib +# OpenWatcom large model +# Last updated: 28-Dec-2005 + +# To use, do "wmake -f watcom_l.mak" + +C_SOURCE = adler32.c compress.c crc32.c deflate.c & + gzclose.c gzlib.c gzread.c gzwrite.c & + infback.c inffast.c inflate.c inftrees.c & + trees.c uncompr.c zutil.c + +OBJS = adler32.obj compress.obj crc32.obj deflate.obj & + gzclose.obj gzlib.obj gzread.obj gzwrite.obj & + infback.obj inffast.obj inflate.obj inftrees.obj & + trees.obj uncompr.obj zutil.obj + +CC = wcc +LINKER = wcl +CFLAGS = -zq -ml -s -bt=dos -oilrtfm -fr=nul -wx +ZLIB_LIB = zlib_l.lib + +.C.OBJ: + $(CC) $(CFLAGS) $[@ + +all: $(ZLIB_LIB) example.exe minigzip.exe + +$(ZLIB_LIB): $(OBJS) + wlib -b -c $(ZLIB_LIB) -+adler32.obj -+compress.obj -+crc32.obj + wlib -b -c $(ZLIB_LIB) -+gzclose.obj -+gzlib.obj -+gzread.obj -+gzwrite.obj + wlib -b -c $(ZLIB_LIB) -+deflate.obj -+infback.obj + wlib -b -c $(ZLIB_LIB) -+inffast.obj -+inflate.obj -+inftrees.obj + wlib -b -c $(ZLIB_LIB) -+trees.obj -+uncompr.obj -+zutil.obj + +example.exe: $(ZLIB_LIB) example.obj + $(LINKER) -fe=example.exe example.obj $(ZLIB_LIB) + +minigzip.exe: $(ZLIB_LIB) minigzip.obj + $(LINKER) -fe=minigzip.exe minigzip.obj $(ZLIB_LIB) + +clean: .SYMBOLIC + del *.obj + del $(ZLIB_LIB) + @echo Cleaning done diff --git a/win32/DLL_FAQ.txt b/win32/DLL_FAQ.txt new file mode 100644 index 0000000..12c0090 --- /dev/null +++ b/win32/DLL_FAQ.txt @@ -0,0 +1,397 @@ + + Frequently Asked Questions about ZLIB1.DLL + + +This document describes the design, the rationale, and the usage +of the official DLL build of zlib, named ZLIB1.DLL. If you have +general questions about zlib, you should see the file "FAQ" found +in the zlib distribution, or at the following location: + http://www.gzip.org/zlib/zlib_faq.html + + + 1. What is ZLIB1.DLL, and how can I get it? + + - ZLIB1.DLL is the official build of zlib as a DLL. + (Please remark the character '1' in the name.) + + Pointers to a precompiled ZLIB1.DLL can be found in the zlib + web site at: + http://www.zlib.net/ + + Applications that link to ZLIB1.DLL can rely on the following + specification: + + * The exported symbols are exclusively defined in the source + files "zlib.h" and "zlib.def", found in an official zlib + source distribution. + * The symbols are exported by name, not by ordinal. + * The exported names are undecorated. + * The calling convention of functions is "C" (CDECL). + * The ZLIB1.DLL binary is linked to MSVCRT.DLL. + + The archive in which ZLIB1.DLL is bundled contains compiled + test programs that must run with a valid build of ZLIB1.DLL. + It is recommended to download the prebuilt DLL from the zlib + web site, instead of building it yourself, to avoid potential + incompatibilities that could be introduced by your compiler + and build settings. If you do build the DLL yourself, please + make sure that it complies with all the above requirements, + and it runs with the precompiled test programs, bundled with + the original ZLIB1.DLL distribution. + + If, for any reason, you need to build an incompatible DLL, + please use a different file name. + + + 2. Why did you change the name of the DLL to ZLIB1.DLL? + What happened to the old ZLIB.DLL? + + - The old ZLIB.DLL, built from zlib-1.1.4 or earlier, required + compilation settings that were incompatible to those used by + a static build. The DLL settings were supposed to be enabled + by defining the macro ZLIB_DLL, before including "zlib.h". + Incorrect handling of this macro was silently accepted at + build time, resulting in two major problems: + + * ZLIB_DLL was missing from the old makefile. When building + the DLL, not all people added it to the build options. In + consequence, incompatible incarnations of ZLIB.DLL started + to circulate around the net. + + * When switching from using the static library to using the + DLL, applications had to define the ZLIB_DLL macro and + to recompile all the sources that contained calls to zlib + functions. Failure to do so resulted in creating binaries + that were unable to run with the official ZLIB.DLL build. + + The only possible solution that we could foresee was to make + a binary-incompatible change in the DLL interface, in order to + remove the dependency on the ZLIB_DLL macro, and to release + the new DLL under a different name. + + We chose the name ZLIB1.DLL, where '1' indicates the major + zlib version number. We hope that we will not have to break + the binary compatibility again, at least not as long as the + zlib-1.x series will last. + + There is still a ZLIB_DLL macro, that can trigger a more + efficient build and use of the DLL, but compatibility no + longer dependents on it. + + + 3. Can I build ZLIB.DLL from the new zlib sources, and replace + an old ZLIB.DLL, that was built from zlib-1.1.4 or earlier? + + - In principle, you can do it by assigning calling convention + keywords to the macros ZEXPORT and ZEXPORTVA. In practice, + it depends on what you mean by "an old ZLIB.DLL", because the + old DLL exists in several mutually-incompatible versions. + You have to find out first what kind of calling convention is + being used in your particular ZLIB.DLL build, and to use the + same one in the new build. If you don't know what this is all + about, you might be better off if you would just leave the old + DLL intact. + + + 4. Can I compile my application using the new zlib interface, and + link it to an old ZLIB.DLL, that was built from zlib-1.1.4 or + earlier? + + - The official answer is "no"; the real answer depends again on + what kind of ZLIB.DLL you have. Even if you are lucky, this + course of action is unreliable. + + If you rebuild your application and you intend to use a newer + version of zlib (post- 1.1.4), it is strongly recommended to + link it to the new ZLIB1.DLL. + + + 5. Why are the zlib symbols exported by name, and not by ordinal? + + - Although exporting symbols by ordinal is a little faster, it + is risky. Any single glitch in the maintenance or use of the + DEF file that contains the ordinals can result in incompatible + builds and frustrating crashes. Simply put, the benefits of + exporting symbols by ordinal do not justify the risks. + + Technically, it should be possible to maintain ordinals in + the DEF file, and still export the symbols by name. Ordinals + exist in every DLL, and even if the dynamic linking performed + at the DLL startup is searching for names, ordinals serve as + hints, for a faster name lookup. However, if the DEF file + contains ordinals, the Microsoft linker automatically builds + an implib that will cause the executables linked to it to use + those ordinals, and not the names. It is interesting to + notice that the GNU linker for Win32 does not suffer from this + problem. + + It is possible to avoid the DEF file if the exported symbols + are accompanied by a "__declspec(dllexport)" attribute in the + source files. You can do this in zlib by predefining the + ZLIB_DLL macro. + + + 6. I see that the ZLIB1.DLL functions use the "C" (CDECL) calling + convention. Why not use the STDCALL convention? + STDCALL is the standard convention in Win32, and I need it in + my Visual Basic project! + + (For readability, we use CDECL to refer to the convention + triggered by the "__cdecl" keyword, STDCALL to refer to + the convention triggered by "__stdcall", and FASTCALL to + refer to the convention triggered by "__fastcall".) + + - Most of the native Windows API functions (without varargs) use + indeed the WINAPI convention (which translates to STDCALL in + Win32), but the standard C functions use CDECL. If a user + application is intrinsically tied to the Windows API (e.g. + it calls native Windows API functions such as CreateFile()), + sometimes it makes sense to decorate its own functions with + WINAPI. But if ANSI C or POSIX portability is a goal (e.g. + it calls standard C functions such as fopen()), it is not a + sound decision to request the inclusion of , or to + use non-ANSI constructs, for the sole purpose to make the user + functions STDCALL-able. + + The functionality offered by zlib is not in the category of + "Windows functionality", but is more like "C functionality". + + Technically, STDCALL is not bad; in fact, it is slightly + faster than CDECL, and it works with variable-argument + functions, just like CDECL. It is unfortunate that, in spite + of using STDCALL in the Windows API, it is not the default + convention used by the C compilers that run under Windows. + The roots of the problem reside deep inside the unsafety of + the K&R-style function prototypes, where the argument types + are not specified; but that is another story for another day. + + The remaining fact is that CDECL is the default convention. + Even if an explicit convention is hard-coded into the function + prototypes inside C headers, problems may appear. The + necessity to expose the convention in users' callbacks is one + of these problems. + + The calling convention issues are also important when using + zlib in other programming languages. Some of them, like Ada + (GNAT) and Fortran (GNU G77), have C bindings implemented + initially on Unix, and relying on the C calling convention. + On the other hand, the pre- .NET versions of Microsoft Visual + Basic require STDCALL, while Borland Delphi prefers, although + it does not require, FASTCALL. + + In fairness to all possible uses of zlib outside the C + programming language, we choose the default "C" convention. + Anyone interested in different bindings or conventions is + encouraged to maintain specialized projects. The "contrib/" + directory from the zlib distribution already holds a couple + of foreign bindings, such as Ada, C++, and Delphi. + + + 7. I need a DLL for my Visual Basic project. What can I do? + + - Define the ZLIB_WINAPI macro before including "zlib.h", when + building both the DLL and the user application (except that + you don't need to define anything when using the DLL in Visual + Basic). The ZLIB_WINAPI macro will switch on the WINAPI + (STDCALL) convention. The name of this DLL must be different + than the official ZLIB1.DLL. + + Gilles Vollant has contributed a build named ZLIBWAPI.DLL, + with the ZLIB_WINAPI macro turned on, and with the minizip + functionality built in. For more information, please read + the notes inside "contrib/vstudio/readme.txt", found in the + zlib distribution. + + + 8. I need to use zlib in my Microsoft .NET project. What can I + do? + + - Henrik Ravn has contributed a .NET wrapper around zlib. Look + into contrib/dotzlib/, inside the zlib distribution. + + + 9. If my application uses ZLIB1.DLL, should I link it to + MSVCRT.DLL? Why? + + - It is not required, but it is recommended to link your + application to MSVCRT.DLL, if it uses ZLIB1.DLL. + + The executables (.EXE, .DLL, etc.) that are involved in the + same process and are using the C run-time library (i.e. they + are calling standard C functions), must link to the same + library. There are several libraries in the Win32 system: + CRTDLL.DLL, MSVCRT.DLL, the static C libraries, etc. + Since ZLIB1.DLL is linked to MSVCRT.DLL, the executables that + depend on it should also be linked to MSVCRT.DLL. + + +10. Why are you saying that ZLIB1.DLL and my application should + be linked to the same C run-time (CRT) library? I linked my + application and my DLLs to different C libraries (e.g. my + application to a static library, and my DLLs to MSVCRT.DLL), + and everything works fine. + + - If a user library invokes only pure Win32 API (accessible via + and the related headers), its DLL build will work + in any context. But if this library invokes standard C API, + things get more complicated. + + There is a single Win32 library in a Win32 system. Every + function in this library resides in a single DLL module, that + is safe to call from anywhere. On the other hand, there are + multiple versions of the C library, and each of them has its + own separate internal state. Standalone executables and user + DLLs that call standard C functions must link to a C run-time + (CRT) library, be it static or shared (DLL). Intermixing + occurs when an executable (not necessarily standalone) and a + DLL are linked to different CRTs, and both are running in the + same process. + + Intermixing multiple CRTs is possible, as long as their + internal states are kept intact. The Microsoft Knowledge Base + articles KB94248 "HOWTO: Use the C Run-Time" and KB140584 + "HOWTO: Link with the Correct C Run-Time (CRT) Library" + mention the potential problems raised by intermixing. + + If intermixing works for you, it's because your application + and DLLs are avoiding the corruption of each of the CRTs' + internal states, maybe by careful design, or maybe by fortune. + + Also note that linking ZLIB1.DLL to non-Microsoft CRTs, such + as those provided by Borland, raises similar problems. + + +11. Why are you linking ZLIB1.DLL to MSVCRT.DLL? + + - MSVCRT.DLL exists on every Windows 95 with a new service pack + installed, or with Microsoft Internet Explorer 4 or later, and + on all other Windows 4.x or later (Windows 98, Windows NT 4, + or later). It is freely distributable; if not present in the + system, it can be downloaded from Microsoft or from other + software provider for free. + + The fact that MSVCRT.DLL does not exist on a virgin Windows 95 + is not so problematic. Windows 95 is scarcely found nowadays, + Microsoft ended its support a long time ago, and many recent + applications from various vendors, including Microsoft, do not + even run on it. Furthermore, no serious user should run + Windows 95 without a proper update installed. + + +12. Why are you not linking ZLIB1.DLL to + <> ? + + - We considered and abandoned the following alternatives: + + * Linking ZLIB1.DLL to a static C library (LIBC.LIB, or + LIBCMT.LIB) is not a good option. People are using the DLL + mainly to save disk space. If you are linking your program + to a static C library, you may as well consider linking zlib + in statically, too. + + * Linking ZLIB1.DLL to CRTDLL.DLL looks appealing, because + CRTDLL.DLL is present on every Win32 installation. + Unfortunately, it has a series of problems: it does not + work properly with Microsoft's C++ libraries, it does not + provide support for 64-bit file offsets, (and so on...), + and Microsoft discontinued its support a long time ago. + + * Linking ZLIB1.DLL to MSVCR70.DLL or MSVCR71.DLL, supplied + with the Microsoft .NET platform, and Visual C++ 7.0/7.1, + raises problems related to the status of ZLIB1.DLL as a + system component. According to the Microsoft Knowledge Base + article KB326922 "INFO: Redistribution of the Shared C + Runtime Component in Visual C++ .NET", MSVCR70.DLL and + MSVCR71.DLL are not supposed to function as system DLLs, + because they may clash with MSVCRT.DLL. Instead, the + application's installer is supposed to put these DLLs + (if needed) in the application's private directory. + If ZLIB1.DLL depends on a non-system runtime, it cannot + function as a redistributable system component. + + * Linking ZLIB1.DLL to non-Microsoft runtimes, such as + Borland's, or Cygwin's, raises problems related to the + reliable presence of these runtimes on Win32 systems. + It's easier to let the DLL build of zlib up to the people + who distribute these runtimes, and who may proceed as + explained in the answer to Question 14. + + +13. If ZLIB1.DLL cannot be linked to MSVCR70.DLL or MSVCR71.DLL, + how can I build/use ZLIB1.DLL in Microsoft Visual C++ 7.0 + (Visual Studio .NET) or newer? + + - Due to the problems explained in the Microsoft Knowledge Base + article KB326922 (see the previous answer), the C runtime that + comes with the VC7 environment is no longer considered a + system component. That is, it should not be assumed that this + runtime exists, or may be installed in a system directory. + Since ZLIB1.DLL is supposed to be a system component, it may + not depend on a non-system component. + + In order to link ZLIB1.DLL and your application to MSVCRT.DLL + in VC7, you need the library of Visual C++ 6.0 or older. If + you don't have this library at hand, it's probably best not to + use ZLIB1.DLL. + + We are hoping that, in the future, Microsoft will provide a + way to build applications linked to a proper system runtime, + from the Visual C++ environment. Until then, you have a + couple of alternatives, such as linking zlib in statically. + If your application requires dynamic linking, you may proceed + as explained in the answer to Question 14. + + +14. I need to link my own DLL build to a CRT different than + MSVCRT.DLL. What can I do? + + - Feel free to rebuild the DLL from the zlib sources, and link + it the way you want. You should, however, clearly state that + your build is unofficial. You should give it a different file + name, and/or install it in a private directory that can be + accessed by your application only, and is not visible to the + others (i.e. it's neither in the PATH, nor in the SYSTEM or + SYSTEM32 directories). Otherwise, your build may clash with + applications that link to the official build. + + For example, in Cygwin, zlib is linked to the Cygwin runtime + CYGWIN1.DLL, and it is distributed under the name CYGZ.DLL. + + +15. May I include additional pieces of code that I find useful, + link them in ZLIB1.DLL, and export them? + + - No. A legitimate build of ZLIB1.DLL must not include code + that does not originate from the official zlib source code. + But you can make your own private DLL build, under a different + file name, as suggested in the previous answer. + + For example, zlib is a part of the VCL library, distributed + with Borland Delphi and C++ Builder. The DLL build of VCL + is a redistributable file, named VCLxx.DLL. + + +16. May I remove some functionality out of ZLIB1.DLL, by enabling + macros like NO_GZCOMPRESS or NO_GZIP at compile time? + + - No. A legitimate build of ZLIB1.DLL must provide the complete + zlib functionality, as implemented in the official zlib source + code. But you can make your own private DLL build, under a + different file name, as suggested in the previous answer. + + +17. I made my own ZLIB1.DLL build. Can I test it for compliance? + + - We prefer that you download the official DLL from the zlib + web site. If you need something peculiar from this DLL, you + can send your suggestion to the zlib mailing list. + + However, in case you do rebuild the DLL yourself, you can run + it with the test programs found in the DLL distribution. + Running these test programs is not a guarantee of compliance, + but a failure can imply a detected problem. + +** + +This document is written and maintained by +Cosmin Truta diff --git a/win32/Makefile.bor b/win32/Makefile.bor new file mode 100644 index 0000000..4495353 --- /dev/null +++ b/win32/Makefile.bor @@ -0,0 +1,109 @@ +# Makefile for zlib +# Borland C++ for Win32 +# +# Usage: +# make -f win32/Makefile.bor + +# ------------ Borland C++ ------------ + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or +# added to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +CC = bcc32 +AS = bcc32 +LD = bcc32 +AR = tlib +CFLAGS = -a -d -k- -O2 $(LOC) +ASFLAGS = $(LOC) +LDFLAGS = $(LOC) + + +# variables +ZLIB_LIB = zlib.lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj +OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +#OBJA = +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj +OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj +#OBJPA= + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $< + +.asm.obj: + $(AS) -c $(ASFLAGS) $< + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h + +gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h + +gzread.obj: gzread.c zlib.h zconf.h gzguts.h + +gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: test/example.c zlib.h zconf.h + +minigzip.obj: test/minigzip.c zlib.h zconf.h + + +# For the sake of the old Borland make, +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) $(OBJA) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + $(AR) $(ZLIB_LIB) $(OBJPA) + + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + + +# cleanup +clean: + -del $(ZLIB_LIB) + -del *.obj + -del *.exe + -del *.tds + -del zlib.bak + -del foo.gz diff --git a/win32/Makefile.gcc b/win32/Makefile.gcc new file mode 100644 index 0000000..081e391 --- /dev/null +++ b/win32/Makefile.gcc @@ -0,0 +1,177 @@ +# Makefile for zlib, derived from Makefile.dj2. +# Modified for mingw32 by C. Spieler, 6/16/98. +# Updated for zlib 1.2.x by Christian Spieler and Cosmin Truta, Mar-2003. +# Last updated: Mar 2012. +# Tested under Cygwin and MinGW. + +# Copyright (C) 1995-2003 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type from the top level zlib directory: +# +# make -fwin32/Makefile.gcc; make test testdll -fwin32/Makefile.gcc +# +# To install libz.a, zconf.h and zlib.h in the system directories, type: +# +# make install -fwin32/Makefile.gcc +# +# BINARY_PATH, INCLUDE_PATH and LIBRARY_PATH must be set. +# +# To install the shared lib, append SHARED_MODE=1 to the make command : +# +# make install -fwin32/Makefile.gcc SHARED_MODE=1 + +# Note: +# If the platform is *not* MinGW (e.g. it is Cygwin or UWIN), +# the DLL name should be changed from "zlib1.dll". + +STATICLIB = libz.a +SHAREDLIB = zlib1.dll +IMPLIB = libz.dll.a + +# +# Set to 1 if shared object needs to be installed +# +SHARED_MODE=0 + +#LOC = -DZLIB_DEBUG -g + +PREFIX = +CC = $(PREFIX)gcc +CFLAGS = $(LOC) -O3 -Wall + +AS = $(CC) +ASFLAGS = $(LOC) -Wall + +LD = $(CC) +LDFLAGS = $(LOC) + +AR = $(PREFIX)ar +ARFLAGS = rcs + +RC = $(PREFIX)windres +RCFLAGS = --define GCC_WINDRES + +STRIP = $(PREFIX)strip + +CP = cp -fp +# If GNU install is available, replace $(CP) with install. +INSTALL = $(CP) +RM = rm -f + +prefix ?= /usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \ + gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o +OBJA = + +all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) example.exe minigzip.exe example_d.exe minigzip_d.exe + +test: example.exe minigzip.exe + ./example + echo hello world | ./minigzip | ./minigzip -d + +testdll: example_d.exe minigzip_d.exe + ./example_d + echo hello world | ./minigzip_d | ./minigzip_d -d + +.c.o: + $(CC) $(CFLAGS) -c -o $@ $< + +.S.o: + $(AS) $(ASFLAGS) -c -o $@ $< + +$(STATICLIB): $(OBJS) $(OBJA) + $(AR) $(ARFLAGS) $@ $(OBJS) $(OBJA) + +$(IMPLIB): $(SHAREDLIB) + +$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlibrc.o + $(CC) -shared -Wl,--out-implib,$(IMPLIB) $(LDFLAGS) \ + -o $@ win32/zlib.def $(OBJS) $(OBJA) zlibrc.o + $(STRIP) $@ + +example.exe: example.o $(STATICLIB) + $(LD) $(LDFLAGS) -o $@ example.o $(STATICLIB) + $(STRIP) $@ + +minigzip.exe: minigzip.o $(STATICLIB) + $(LD) $(LDFLAGS) -o $@ minigzip.o $(STATICLIB) + $(STRIP) $@ + +example_d.exe: example.o $(IMPLIB) + $(LD) $(LDFLAGS) -o $@ example.o $(IMPLIB) + $(STRIP) $@ + +minigzip_d.exe: minigzip.o $(IMPLIB) + $(LD) $(LDFLAGS) -o $@ minigzip.o $(IMPLIB) + $(STRIP) $@ + +example.o: test/example.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -c -o $@ test/example.c + +minigzip.o: test/minigzip.c zlib.h zconf.h + $(CC) $(CFLAGS) -I. -c -o $@ test/minigzip.c + +zlibrc.o: win32/zlib1.rc + $(RC) $(RCFLAGS) -o $@ win32/zlib1.rc + +.PHONY: install uninstall clean + +install: zlib.h zconf.h $(STATICLIB) $(IMPLIB) + @if test -z "$(DESTDIR)$(INCLUDE_PATH)" -o -z "$(DESTDIR)$(LIBRARY_PATH)" -o -z "$(DESTDIR)$(BINARY_PATH)"; then \ + echo INCLUDE_PATH, LIBRARY_PATH, and BINARY_PATH must be specified; \ + exit 1; \ + fi + -@mkdir -p '$(DESTDIR)$(INCLUDE_PATH)' + -@mkdir -p '$(DESTDIR)$(LIBRARY_PATH)' '$(DESTDIR)$(LIBRARY_PATH)'/pkgconfig + -if [ "$(SHARED_MODE)" = "1" ]; then \ + mkdir -p '$(DESTDIR)$(BINARY_PATH)'; \ + $(INSTALL) $(SHAREDLIB) '$(DESTDIR)$(BINARY_PATH)'; \ + $(INSTALL) $(IMPLIB) '$(DESTDIR)$(LIBRARY_PATH)'; \ + fi + -$(INSTALL) zlib.h '$(DESTDIR)$(INCLUDE_PATH)' + -$(INSTALL) zconf.h '$(DESTDIR)$(INCLUDE_PATH)' + -$(INSTALL) $(STATICLIB) '$(DESTDIR)$(LIBRARY_PATH)' + sed \ + -e 's|@prefix@|${prefix}|g' \ + -e 's|@exec_prefix@|${exec_prefix}|g' \ + -e 's|@libdir@|$(LIBRARY_PATH)|g' \ + -e 's|@sharedlibdir@|$(LIBRARY_PATH)|g' \ + -e 's|@includedir@|$(INCLUDE_PATH)|g' \ + -e 's|@VERSION@|'`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' zlib.h`'|g' \ + zlib.pc.in > '$(DESTDIR)$(LIBRARY_PATH)'/pkgconfig/zlib.pc + +uninstall: + -if [ "$(SHARED_MODE)" = "1" ]; then \ + $(RM) '$(DESTDIR)$(BINARY_PATH)'/$(SHAREDLIB); \ + $(RM) '$(DESTDIR)$(LIBRARY_PATH)'/$(IMPLIB); \ + fi + -$(RM) '$(DESTDIR)$(INCLUDE_PATH)'/zlib.h + -$(RM) '$(DESTDIR)$(INCLUDE_PATH)'/zconf.h + -$(RM) '$(DESTDIR)$(LIBRARY_PATH)'/$(STATICLIB) + +clean: + -$(RM) $(STATICLIB) + -$(RM) $(SHAREDLIB) + -$(RM) $(IMPLIB) + -$(RM) *.o + -$(RM) *.exe + -$(RM) foo.gz + +adler32.o: zlib.h zconf.h +compress.o: zlib.h zconf.h +crc32.o: crc32.h zlib.h zconf.h +deflate.o: deflate.h zutil.h zlib.h zconf.h +gzclose.o: zlib.h zconf.h gzguts.h +gzlib.o: zlib.h zconf.h gzguts.h +gzread.o: zlib.h zconf.h gzguts.h +gzwrite.o: zlib.h zconf.h gzguts.h +inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inftrees.o: zutil.h zlib.h zconf.h inftrees.h +trees.o: deflate.h zutil.h zlib.h zconf.h trees.h +uncompr.o: zlib.h zconf.h +zutil.o: zutil.h zlib.h zconf.h diff --git a/win32/Makefile.msc b/win32/Makefile.msc new file mode 100644 index 0000000..9c65153 --- /dev/null +++ b/win32/Makefile.msc @@ -0,0 +1,159 @@ +# Makefile for zlib using Microsoft (Visual) C +# zlib is copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler +# +# Usage: +# nmake -f win32/Makefile.msc (standard build) +# nmake -f win32/Makefile.msc LOC=-DFOO (nonstandard build) + +# The toplevel directory of the source tree. +# +TOP = . + +# optional build flags +LOC = + +# variables +STATICLIB = zlib.lib +SHAREDLIB = zlib1.dll +IMPLIB = zdll.lib + +CC = cl +AS = ml +LD = link +AR = lib +RC = rc +CFLAGS = -nologo -MD -W3 -O2 -Oy- -Zi -Fd"zlib" $(LOC) +WFLAGS = -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE +ASFLAGS = -coff -Zi $(LOC) +LDFLAGS = -nologo -debug -incremental:no -opt:ref +ARFLAGS = -nologo +RCFLAGS = /dWIN32 /r + +OBJS = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj \ + gzwrite.obj infback.obj inflate.obj inftrees.obj inffast.obj trees.obj uncompr.obj zutil.obj +OBJA = + + +# targets +all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) \ + example.exe minigzip.exe example_d.exe minigzip_d.exe + +$(STATICLIB): $(OBJS) $(OBJA) + $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(OBJA) + +$(IMPLIB): $(SHAREDLIB) + +$(SHAREDLIB): $(TOP)/win32/zlib.def $(OBJS) $(OBJA) zlib1.res + $(LD) $(LDFLAGS) -def:$(TOP)/win32/zlib.def -dll -implib:$(IMPLIB) \ + -out:$@ -base:0x5A4C0000 $(OBJS) $(OBJA) zlib1.res + if exist $@.manifest \ + mt -nologo -manifest $@.manifest -outputresource:$@;2 + +example.exe: example.obj $(STATICLIB) + $(LD) $(LDFLAGS) example.obj $(STATICLIB) + if exist $@.manifest \ + mt -nologo -manifest $@.manifest -outputresource:$@;1 + +minigzip.exe: minigzip.obj $(STATICLIB) + $(LD) $(LDFLAGS) minigzip.obj $(STATICLIB) + if exist $@.manifest \ + mt -nologo -manifest $@.manifest -outputresource:$@;1 + +example_d.exe: example.obj $(IMPLIB) + $(LD) $(LDFLAGS) -out:$@ example.obj $(IMPLIB) + if exist $@.manifest \ + mt -nologo -manifest $@.manifest -outputresource:$@;1 + +minigzip_d.exe: minigzip.obj $(IMPLIB) + $(LD) $(LDFLAGS) -out:$@ minigzip.obj $(IMPLIB) + if exist $@.manifest \ + mt -nologo -manifest $@.manifest -outputresource:$@;1 + +{$(TOP)}.c.obj: + $(CC) -c $(WFLAGS) $(CFLAGS) $< + +{$(TOP)/test}.c.obj: + $(CC) -c -I$(TOP) $(WFLAGS) $(CFLAGS) $< + +{$(TOP)/contrib/masmx64}.c.obj: + $(CC) -c $(WFLAGS) $(CFLAGS) $< + +{$(TOP)/contrib/masmx64}.asm.obj: + $(AS) -c $(ASFLAGS) $< + +{$(TOP)/contrib/masmx86}.asm.obj: + $(AS) -c $(ASFLAGS) $< + +adler32.obj: $(TOP)/adler32.c $(TOP)/zlib.h $(TOP)/zconf.h + +compress.obj: $(TOP)/compress.c $(TOP)/zlib.h $(TOP)/zconf.h + +crc32.obj: $(TOP)/crc32.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/crc32.h + +deflate.obj: $(TOP)/deflate.c $(TOP)/deflate.h $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h + +gzclose.obj: $(TOP)/gzclose.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h + +gzlib.obj: $(TOP)/gzlib.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h + +gzread.obj: $(TOP)/gzread.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h + +gzwrite.obj: $(TOP)/gzwrite.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h + +infback.obj: $(TOP)/infback.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ + $(TOP)/inffast.h $(TOP)/inffixed.h + +inffast.obj: $(TOP)/inffast.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ + $(TOP)/inffast.h + +inflate.obj: $(TOP)/inflate.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ + $(TOP)/inffast.h $(TOP)/inffixed.h + +inftrees.obj: $(TOP)/inftrees.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h + +trees.obj: $(TOP)/trees.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/deflate.h $(TOP)/trees.h + +uncompr.obj: $(TOP)/uncompr.c $(TOP)/zlib.h $(TOP)/zconf.h + +zutil.obj: $(TOP)/zutil.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h + +gvmat64.obj: $(TOP)/contrib\masmx64\gvmat64.asm + +inffasx64.obj: $(TOP)/contrib\masmx64\inffasx64.asm + +inffas8664.obj: $(TOP)/contrib\masmx64\inffas8664.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h \ + $(TOP)/inftrees.h $(TOP)/inflate.h $(TOP)/inffast.h + +inffas32.obj: $(TOP)/contrib\masmx86\inffas32.asm + +match686.obj: $(TOP)/contrib\masmx86\match686.asm + +example.obj: $(TOP)/test/example.c $(TOP)/zlib.h $(TOP)/zconf.h + +minigzip.obj: $(TOP)/test/minigzip.c $(TOP)/zlib.h $(TOP)/zconf.h + +zlib1.res: $(TOP)/win32/zlib1.rc + $(RC) $(RCFLAGS) /fo$@ $(TOP)/win32/zlib1.rc + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +testdll: example_d.exe minigzip_d.exe + example_d + echo hello world | minigzip_d | minigzip_d -d + + +# cleanup +clean: + -del $(STATICLIB) + -del $(SHAREDLIB) + -del $(IMPLIB) + -del *.obj + -del *.res + -del *.exp + -del *.exe + -del *.pdb + -del *.manifest + -del foo.gz diff --git a/win32/README-WIN32.txt b/win32/README-WIN32.txt new file mode 100644 index 0000000..050197d --- /dev/null +++ b/win32/README-WIN32.txt @@ -0,0 +1,103 @@ +ZLIB DATA COMPRESSION LIBRARY + +zlib 1.2.13 is a general purpose data compression library. All the code is +thread safe. The data format used by the zlib library is described by RFCs +(Request for Comments) 1950 to 1952 in the files +http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) +and rfc1952.txt (gzip format). + +All functions of the compression library are documented in the file zlib.h +(volunteer to write man pages welcome, contact zlib@gzip.org). Two compiled +examples are distributed in this package, example and minigzip. The example_d +and minigzip_d flavors validate that the zlib1.dll file is working correctly. + +Questions about zlib should be sent to . The zlib home page +is http://zlib.net/ . Before reporting a problem, please check this site to +verify that you have the latest version of zlib; otherwise get the latest +version and check whether the problem still exists or not. + +PLEASE read DLL_FAQ.txt, and the the zlib FAQ http://zlib.net/zlib_faq.html +before asking for help. + + +Manifest: + +The package zlib-1.2.13-win32-x86.zip will contain the following files: + + README-WIN32.txt This document + ChangeLog Changes since previous zlib packages + DLL_FAQ.txt Frequently asked questions about zlib1.dll + zlib.3.pdf Documentation of this library in Adobe Acrobat format + + example.exe A statically-bound example (using zlib.lib, not the dll) + example.pdb Symbolic information for debugging example.exe + + example_d.exe A zlib1.dll bound example (using zdll.lib) + example_d.pdb Symbolic information for debugging example_d.exe + + minigzip.exe A statically-bound test program (using zlib.lib, not the dll) + minigzip.pdb Symbolic information for debugging minigzip.exe + + minigzip_d.exe A zlib1.dll bound test program (using zdll.lib) + minigzip_d.pdb Symbolic information for debugging minigzip_d.exe + + zlib.h Install these files into the compilers' INCLUDE path to + zconf.h compile programs which use zlib.lib or zdll.lib + + zdll.lib Install these files into the compilers' LIB path if linking + zdll.exp a compiled program to the zlib1.dll binary + + zlib.lib Install these files into the compilers' LIB path to link zlib + zlib.pdb into compiled programs, without zlib1.dll runtime dependency + (zlib.pdb provides debugging info to the compile time linker) + + zlib1.dll Install this binary shared library into the system PATH, or + the program's runtime directory (where the .exe resides) + zlib1.pdb Install in the same directory as zlib1.dll, in order to debug + an application crash using WinDbg or similar tools. + +All .pdb files above are entirely optional, but are very useful to a developer +attempting to diagnose program misbehavior or a crash. Many additional +important files for developers can be found in the zlib127.zip source package +available from http://zlib.net/ - review that package's README file for details. + + +Acknowledgments: + +The deflate format used by zlib was defined by Phil Katz. The deflate and +zlib specifications were written by L. Peter Deutsch. Thanks to all the +people who reported problems and suggested various improvements in zlib; they +are too numerous to cite here. + + +Copyright notice: + + (C) 1995-2017 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu + +If you use the zlib library in a product, we would appreciate *not* receiving +lengthy legal documents to sign. The sources are provided for free but without +warranty of any kind. The library has been entirely written by Jean-loup +Gailly and Mark Adler; it does not include third-party code. + +If you redistribute modified sources, we would appreciate that you include in +the file ChangeLog history information documenting your changes. Please read +the FAQ for more information on the distribution of modified source versions. diff --git a/win32/VisualC.txt b/win32/VisualC.txt new file mode 100644 index 0000000..1005b21 --- /dev/null +++ b/win32/VisualC.txt @@ -0,0 +1,3 @@ + +To build zlib using the Microsoft Visual C++ environment, +use the appropriate project from the contrib/vstudio/ directory. diff --git a/win32/zlib.def b/win32/zlib.def new file mode 100644 index 0000000..666bc6f --- /dev/null +++ b/win32/zlib.def @@ -0,0 +1,97 @@ +; zlib data compression library +EXPORTS +; basic functions + zlibVersion + deflate + deflateEnd + inflate + inflateEnd +; advanced functions + deflateSetDictionary + deflateGetDictionary + deflateCopy + deflateReset + deflateParams + deflateTune + deflateBound + deflatePending + deflatePrime + deflateSetHeader + inflateSetDictionary + inflateGetDictionary + inflateSync + inflateCopy + inflateReset + inflateReset2 + inflatePrime + inflateMark + inflateGetHeader + inflateBack + inflateBackEnd + zlibCompileFlags +; utility functions + compress + compress2 + compressBound + uncompress + uncompress2 + gzopen + gzdopen + gzbuffer + gzsetparams + gzread + gzfread + gzwrite + gzfwrite + gzprintf + gzvprintf + gzputs + gzgets + gzputc + gzgetc + gzungetc + gzflush + gzseek + gzrewind + gztell + gzoffset + gzeof + gzdirect + gzclose + gzclose_r + gzclose_w + gzerror + gzclearerr +; large file functions + gzopen64 + gzseek64 + gztell64 + gzoffset64 + adler32_combine64 + crc32_combine64 + crc32_combine_gen64 +; checksum functions + adler32 + adler32_z + crc32 + crc32_z + adler32_combine + crc32_combine + crc32_combine_gen + crc32_combine_op +; various hacks, don't look :) + deflateInit_ + deflateInit2_ + inflateInit_ + inflateInit2_ + inflateBackInit_ + gzgetc_ + zError + inflateSyncPoint + get_crc_table + inflateUndermine + inflateValidate + inflateCodesUsed + inflateResetKeep + deflateResetKeep + gzopen_w diff --git a/win32/zlib1.rc b/win32/zlib1.rc new file mode 100644 index 0000000..ceb4ee5 --- /dev/null +++ b/win32/zlib1.rc @@ -0,0 +1,40 @@ +#include +#include "../zlib.h" + +#ifdef GCC_WINDRES +VS_VERSION_INFO VERSIONINFO +#else +VS_VERSION_INFO VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE +#endif + FILEVERSION ZLIB_VER_MAJOR,ZLIB_VER_MINOR,ZLIB_VER_REVISION,0 + PRODUCTVERSION ZLIB_VER_MAJOR,ZLIB_VER_MINOR,ZLIB_VER_REVISION,0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS 1 +#else + FILEFLAGS 0 +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + BEGIN + VALUE "FileDescription", "zlib data compression library\0" + VALUE "FileVersion", ZLIB_VERSION "\0" + VALUE "InternalName", "zlib1.dll\0" + VALUE "LegalCopyright", "(C) 1995-2022 Jean-loup Gailly & Mark Adler\0" + VALUE "OriginalFilename", "zlib1.dll\0" + VALUE "ProductName", "zlib\0" + VALUE "ProductVersion", ZLIB_VERSION "\0" + VALUE "Comments", "For more information visit http://www.zlib.net/\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/zconf.h b/zconf.h new file mode 100644 index 0000000..bf977d3 --- /dev/null +++ b/zconf.h @@ -0,0 +1,547 @@ +/* zconf.h -- configuration of the zlib compression library + * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#ifndef ZCONF_H +#define ZCONF_H + +/* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. + * Even better than compiling with -DZ_PREFIX would be to use configure to set + * this permanently in zconf.h using "./configure --zprefix". + */ +#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET + +/* all linked symbols and init macros */ +# define _dist_code z__dist_code +# define _length_code z__length_code +# define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits +# define _tr_flush_block z__tr_flush_block +# define _tr_init z__tr_init +# define _tr_stored_block z__tr_stored_block +# define _tr_tally z__tr_tally +# define adler32 z_adler32 +# define adler32_combine z_adler32_combine +# define adler32_combine64 z_adler32_combine64 +# define adler32_z z_adler32_z +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif +# define crc32 z_crc32 +# define crc32_combine z_crc32_combine +# define crc32_combine64 z_crc32_combine64 +# define crc32_combine_gen z_crc32_combine_gen +# define crc32_combine_gen64 z_crc32_combine_gen64 +# define crc32_combine_op z_crc32_combine_op +# define crc32_z z_crc32_z +# define deflate z_deflate +# define deflateBound z_deflateBound +# define deflateCopy z_deflateCopy +# define deflateEnd z_deflateEnd +# define deflateGetDictionary z_deflateGetDictionary +# define deflateInit z_deflateInit +# define deflateInit2 z_deflateInit2 +# define deflateInit2_ z_deflateInit2_ +# define deflateInit_ z_deflateInit_ +# define deflateParams z_deflateParams +# define deflatePending z_deflatePending +# define deflatePrime z_deflatePrime +# define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep +# define deflateSetDictionary z_deflateSetDictionary +# define deflateSetHeader z_deflateSetHeader +# define deflateTune z_deflateTune +# define deflate_copyright z_deflate_copyright +# define get_crc_table z_get_crc_table +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzfread z_gzfread +# define gzfwrite z_gzfwrite +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzvprintf z_gzvprintf +# define gzwrite z_gzwrite +# endif +# define inflate z_inflate +# define inflateBack z_inflateBack +# define inflateBackEnd z_inflateBackEnd +# define inflateBackInit z_inflateBackInit +# define inflateBackInit_ z_inflateBackInit_ +# define inflateCodesUsed z_inflateCodesUsed +# define inflateCopy z_inflateCopy +# define inflateEnd z_inflateEnd +# define inflateGetDictionary z_inflateGetDictionary +# define inflateGetHeader z_inflateGetHeader +# define inflateInit z_inflateInit +# define inflateInit2 z_inflateInit2 +# define inflateInit2_ z_inflateInit2_ +# define inflateInit_ z_inflateInit_ +# define inflateMark z_inflateMark +# define inflatePrime z_inflatePrime +# define inflateReset z_inflateReset +# define inflateReset2 z_inflateReset2 +# define inflateResetKeep z_inflateResetKeep +# define inflateSetDictionary z_inflateSetDictionary +# define inflateSync z_inflateSync +# define inflateSyncPoint z_inflateSyncPoint +# define inflateUndermine z_inflateUndermine +# define inflateValidate z_inflateValidate +# define inflate_copyright z_inflate_copyright +# define inflate_fast z_inflate_fast +# define inflate_table z_inflate_table +# ifndef Z_SOLO +# define uncompress z_uncompress +# define uncompress2 z_uncompress2 +# endif +# define zError z_zError +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif +# define zlibCompileFlags z_zlibCompileFlags +# define zlibVersion z_zlibVersion + +/* all zlib typedefs in zlib.h and zconf.h */ +# define Byte z_Byte +# define Bytef z_Bytef +# define alloc_func z_alloc_func +# define charf z_charf +# define free_func z_free_func +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif +# define gz_header z_gz_header +# define gz_headerp z_gz_headerp +# define in_func z_in_func +# define intf z_intf +# define out_func z_out_func +# define uInt z_uInt +# define uIntf z_uIntf +# define uLong z_uLong +# define uLongf z_uLongf +# define voidp z_voidp +# define voidpc z_voidpc +# define voidpf z_voidpf + +/* all zlib structs in zlib.h and zconf.h */ +# define gz_header_s z_gz_header_s +# define internal_state z_internal_state + +#endif + +#if defined(__MSDOS__) && !defined(MSDOS) +# define MSDOS +#endif +#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) +# define OS2 +#endif +#if defined(_WINDOWS) && !defined(WINDOWS) +# define WINDOWS +#endif +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif +#endif +#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) +# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) +# ifndef SYS16BIT +# define SYS16BIT +# endif +# endif +#endif + +/* + * Compile with -DMAXSEG_64K if the alloc function cannot allocate more + * than 64k bytes at a time (needed on systems with 16-bit int). + */ +#ifdef SYS16BIT +# define MAXSEG_64K +#endif +#ifdef MSDOS +# define UNALIGNED_OK +#endif + +#ifdef __STDC_VERSION__ +# ifndef STDC +# define STDC +# endif +# if __STDC_VERSION__ >= 199901L +# ifndef STDC99 +# define STDC99 +# endif +# endif +#endif +#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) +# define STDC +#endif +#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) +# define STDC +#endif +#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) +# define STDC +#endif +#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) +# define STDC +#endif + +#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ +# define STDC +#endif + +#ifndef STDC +# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ +# define const /* note: need a more gentle solution here */ +# endif +#endif + +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + +#ifdef Z_SOLO + typedef unsigned long z_size_t; +#else +# define z_longlong long long +# if defined(NO_SIZE_T) + typedef unsigned NO_SIZE_T z_size_t; +# elif defined(STDC) +# include + typedef size_t z_size_t; +# else + typedef unsigned long z_size_t; +# endif +# undef z_longlong +#endif + +/* Maximum value for memLevel in deflateInit2 */ +#ifndef MAX_MEM_LEVEL +# ifdef MAXSEG_64K +# define MAX_MEM_LEVEL 8 +# else +# define MAX_MEM_LEVEL 9 +# endif +#endif + +/* Maximum value for windowBits in deflateInit2 and inflateInit2. + * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files + * created by gzip. (Files created by minigzip can still be extracted by + * gzip.) + */ +#ifndef MAX_WBITS +# define MAX_WBITS 15 /* 32K LZ77 window */ +#endif + +/* The memory requirements for deflate are (in bytes): + (1 << (windowBits+2)) + (1 << (memLevel+9)) + that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) + plus a few kilobytes for small objects. For example, if you want to reduce + the default memory requirements from 256K to 128K, compile with + make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" + Of course this will generally degrade compression (there's no free lunch). + + The memory requirements for inflate are (in bytes) 1 << windowBits + that is, 32K for windowBits=15 (default value) plus about 7 kilobytes + for small objects. +*/ + + /* Type declarations */ + +#ifndef OF /* function prototypes */ +# ifdef STDC +# define OF(args) args +# else +# define OF(args) () +# endif +#endif + +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + +/* The following definitions for FAR are needed only for MSDOS mixed + * model programming (small or medium model with some far allocations). + * This was tested only with MSC; for other MSDOS compilers you may have + * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, + * just define FAR to be empty. + */ +#ifdef SYS16BIT +# if defined(M_I86SM) || defined(M_I86MM) + /* MSC small or medium model */ +# define SMALL_MEDIUM +# ifdef _MSC_VER +# define FAR _far +# else +# define FAR far +# endif +# endif +# if (defined(__SMALL__) || defined(__MEDIUM__)) + /* Turbo C small or medium model */ +# define SMALL_MEDIUM +# ifdef __BORLANDC__ +# define FAR _far +# else +# define FAR far +# endif +# endif +#endif + +#if defined(WINDOWS) || defined(WIN32) + /* If building or using zlib as a DLL, define ZLIB_DLL. + * This is not mandatory, but it offers a little performance increase. + */ +# ifdef ZLIB_DLL +# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) +# ifdef ZLIB_INTERNAL +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +# endif +# endif /* ZLIB_DLL */ + /* If building or using zlib with the WINAPI/WINAPIV calling convention, + * define ZLIB_WINAPI. + * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. + */ +# ifdef ZLIB_WINAPI +# ifdef FAR +# undef FAR +# endif +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include + /* No need for _export, use ZLIB.DEF instead. */ + /* For complete Windows compatibility, use WINAPI, not __stdcall. */ +# define ZEXPORT WINAPI +# ifdef WIN32 +# define ZEXPORTVA WINAPIV +# else +# define ZEXPORTVA FAR CDECL +# endif +# endif +#endif + +#if defined (__BEOS__) +# ifdef ZLIB_DLL +# ifdef ZLIB_INTERNAL +# define ZEXPORT __declspec(dllexport) +# define ZEXPORTVA __declspec(dllexport) +# else +# define ZEXPORT __declspec(dllimport) +# define ZEXPORTVA __declspec(dllimport) +# endif +# endif +#endif + +#ifndef ZEXTERN +# define ZEXTERN extern +#endif +#ifndef ZEXPORT +# define ZEXPORT +#endif +#ifndef ZEXPORTVA +# define ZEXPORTVA +#endif + +#ifndef FAR +# define FAR +#endif + +#if !defined(__MACTYPES__) +typedef unsigned char Byte; /* 8 bits */ +#endif +typedef unsigned int uInt; /* 16 bits or more */ +typedef unsigned long uLong; /* 32 bits or more */ + +#ifdef SMALL_MEDIUM + /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ +# define Bytef Byte FAR +#else + typedef Byte FAR Bytef; +#endif +typedef char FAR charf; +typedef int FAR intf; +typedef uInt FAR uIntf; +typedef uLong FAR uLongf; + +#ifdef STDC + typedef void const *voidpc; + typedef void FAR *voidpf; + typedef void *voidp; +#else + typedef Byte const *voidpc; + typedef Byte FAR *voidpf; + typedef Byte *voidp; +#endif + +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + +#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_UNISTD_H +#endif + +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + +#ifdef STDC +# ifndef Z_SOLO +# include /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include /* for wchar_t */ +# endif +#endif + +/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and + * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even + * though the former does not conform to the LFS document), but considering + * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as + * equivalently requesting no 64-bit operations + */ +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 +# undef _LARGEFILE64_SOURCE +#endif + +#ifndef Z_HAVE_UNISTD_H +# ifdef __WATCOMC__ +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_HAVE_UNISTD_H +# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) +# include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif +# endif +#endif + +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif + +#ifndef z_off_t +# define z_off_t long +#endif + +#if !defined(_WIN32) && defined(Z_LARGE64) +# define z_off64_t off64_t +#else +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif +#endif + +/* MVS linker does not support external names larger than 8 bytes */ +#if defined(__MVS__) + #pragma map(deflateInit_,"DEIN") + #pragma map(deflateInit2_,"DEIN2") + #pragma map(deflateEnd,"DEEND") + #pragma map(deflateBound,"DEBND") + #pragma map(inflateInit_,"ININ") + #pragma map(inflateInit2_,"ININ2") + #pragma map(inflateEnd,"INEND") + #pragma map(inflateSync,"INSY") + #pragma map(inflateSetDictionary,"INSEDI") + #pragma map(compressBound,"CMBND") + #pragma map(inflate_table,"INTABL") + #pragma map(inflate_fast,"INFA") + #pragma map(inflate_copyright,"INCOPY") +#endif + +#endif /* ZCONF_H */ diff --git a/zconf.h.cmakein b/zconf.h.cmakein new file mode 100644 index 0000000..247ba24 --- /dev/null +++ b/zconf.h.cmakein @@ -0,0 +1,549 @@ +/* zconf.h -- configuration of the zlib compression library + * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#ifndef ZCONF_H +#define ZCONF_H +#cmakedefine Z_PREFIX +#cmakedefine Z_HAVE_UNISTD_H + +/* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. + * Even better than compiling with -DZ_PREFIX would be to use configure to set + * this permanently in zconf.h using "./configure --zprefix". + */ +#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET + +/* all linked symbols and init macros */ +# define _dist_code z__dist_code +# define _length_code z__length_code +# define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits +# define _tr_flush_block z__tr_flush_block +# define _tr_init z__tr_init +# define _tr_stored_block z__tr_stored_block +# define _tr_tally z__tr_tally +# define adler32 z_adler32 +# define adler32_combine z_adler32_combine +# define adler32_combine64 z_adler32_combine64 +# define adler32_z z_adler32_z +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif +# define crc32 z_crc32 +# define crc32_combine z_crc32_combine +# define crc32_combine64 z_crc32_combine64 +# define crc32_combine_gen z_crc32_combine_gen +# define crc32_combine_gen64 z_crc32_combine_gen64 +# define crc32_combine_op z_crc32_combine_op +# define crc32_z z_crc32_z +# define deflate z_deflate +# define deflateBound z_deflateBound +# define deflateCopy z_deflateCopy +# define deflateEnd z_deflateEnd +# define deflateGetDictionary z_deflateGetDictionary +# define deflateInit z_deflateInit +# define deflateInit2 z_deflateInit2 +# define deflateInit2_ z_deflateInit2_ +# define deflateInit_ z_deflateInit_ +# define deflateParams z_deflateParams +# define deflatePending z_deflatePending +# define deflatePrime z_deflatePrime +# define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep +# define deflateSetDictionary z_deflateSetDictionary +# define deflateSetHeader z_deflateSetHeader +# define deflateTune z_deflateTune +# define deflate_copyright z_deflate_copyright +# define get_crc_table z_get_crc_table +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzfread z_gzfread +# define gzfwrite z_gzfwrite +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzvprintf z_gzvprintf +# define gzwrite z_gzwrite +# endif +# define inflate z_inflate +# define inflateBack z_inflateBack +# define inflateBackEnd z_inflateBackEnd +# define inflateBackInit z_inflateBackInit +# define inflateBackInit_ z_inflateBackInit_ +# define inflateCodesUsed z_inflateCodesUsed +# define inflateCopy z_inflateCopy +# define inflateEnd z_inflateEnd +# define inflateGetDictionary z_inflateGetDictionary +# define inflateGetHeader z_inflateGetHeader +# define inflateInit z_inflateInit +# define inflateInit2 z_inflateInit2 +# define inflateInit2_ z_inflateInit2_ +# define inflateInit_ z_inflateInit_ +# define inflateMark z_inflateMark +# define inflatePrime z_inflatePrime +# define inflateReset z_inflateReset +# define inflateReset2 z_inflateReset2 +# define inflateResetKeep z_inflateResetKeep +# define inflateSetDictionary z_inflateSetDictionary +# define inflateSync z_inflateSync +# define inflateSyncPoint z_inflateSyncPoint +# define inflateUndermine z_inflateUndermine +# define inflateValidate z_inflateValidate +# define inflate_copyright z_inflate_copyright +# define inflate_fast z_inflate_fast +# define inflate_table z_inflate_table +# ifndef Z_SOLO +# define uncompress z_uncompress +# define uncompress2 z_uncompress2 +# endif +# define zError z_zError +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif +# define zlibCompileFlags z_zlibCompileFlags +# define zlibVersion z_zlibVersion + +/* all zlib typedefs in zlib.h and zconf.h */ +# define Byte z_Byte +# define Bytef z_Bytef +# define alloc_func z_alloc_func +# define charf z_charf +# define free_func z_free_func +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif +# define gz_header z_gz_header +# define gz_headerp z_gz_headerp +# define in_func z_in_func +# define intf z_intf +# define out_func z_out_func +# define uInt z_uInt +# define uIntf z_uIntf +# define uLong z_uLong +# define uLongf z_uLongf +# define voidp z_voidp +# define voidpc z_voidpc +# define voidpf z_voidpf + +/* all zlib structs in zlib.h and zconf.h */ +# define gz_header_s z_gz_header_s +# define internal_state z_internal_state + +#endif + +#if defined(__MSDOS__) && !defined(MSDOS) +# define MSDOS +#endif +#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) +# define OS2 +#endif +#if defined(_WINDOWS) && !defined(WINDOWS) +# define WINDOWS +#endif +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif +#endif +#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) +# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) +# ifndef SYS16BIT +# define SYS16BIT +# endif +# endif +#endif + +/* + * Compile with -DMAXSEG_64K if the alloc function cannot allocate more + * than 64k bytes at a time (needed on systems with 16-bit int). + */ +#ifdef SYS16BIT +# define MAXSEG_64K +#endif +#ifdef MSDOS +# define UNALIGNED_OK +#endif + +#ifdef __STDC_VERSION__ +# ifndef STDC +# define STDC +# endif +# if __STDC_VERSION__ >= 199901L +# ifndef STDC99 +# define STDC99 +# endif +# endif +#endif +#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) +# define STDC +#endif +#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) +# define STDC +#endif +#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) +# define STDC +#endif +#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) +# define STDC +#endif + +#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ +# define STDC +#endif + +#ifndef STDC +# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ +# define const /* note: need a more gentle solution here */ +# endif +#endif + +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + +#ifdef Z_SOLO + typedef unsigned long z_size_t; +#else +# define z_longlong long long +# if defined(NO_SIZE_T) + typedef unsigned NO_SIZE_T z_size_t; +# elif defined(STDC) +# include + typedef size_t z_size_t; +# else + typedef unsigned long z_size_t; +# endif +# undef z_longlong +#endif + +/* Maximum value for memLevel in deflateInit2 */ +#ifndef MAX_MEM_LEVEL +# ifdef MAXSEG_64K +# define MAX_MEM_LEVEL 8 +# else +# define MAX_MEM_LEVEL 9 +# endif +#endif + +/* Maximum value for windowBits in deflateInit2 and inflateInit2. + * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files + * created by gzip. (Files created by minigzip can still be extracted by + * gzip.) + */ +#ifndef MAX_WBITS +# define MAX_WBITS 15 /* 32K LZ77 window */ +#endif + +/* The memory requirements for deflate are (in bytes): + (1 << (windowBits+2)) + (1 << (memLevel+9)) + that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) + plus a few kilobytes for small objects. For example, if you want to reduce + the default memory requirements from 256K to 128K, compile with + make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" + Of course this will generally degrade compression (there's no free lunch). + + The memory requirements for inflate are (in bytes) 1 << windowBits + that is, 32K for windowBits=15 (default value) plus about 7 kilobytes + for small objects. +*/ + + /* Type declarations */ + +#ifndef OF /* function prototypes */ +# ifdef STDC +# define OF(args) args +# else +# define OF(args) () +# endif +#endif + +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + +/* The following definitions for FAR are needed only for MSDOS mixed + * model programming (small or medium model with some far allocations). + * This was tested only with MSC; for other MSDOS compilers you may have + * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, + * just define FAR to be empty. + */ +#ifdef SYS16BIT +# if defined(M_I86SM) || defined(M_I86MM) + /* MSC small or medium model */ +# define SMALL_MEDIUM +# ifdef _MSC_VER +# define FAR _far +# else +# define FAR far +# endif +# endif +# if (defined(__SMALL__) || defined(__MEDIUM__)) + /* Turbo C small or medium model */ +# define SMALL_MEDIUM +# ifdef __BORLANDC__ +# define FAR _far +# else +# define FAR far +# endif +# endif +#endif + +#if defined(WINDOWS) || defined(WIN32) + /* If building or using zlib as a DLL, define ZLIB_DLL. + * This is not mandatory, but it offers a little performance increase. + */ +# ifdef ZLIB_DLL +# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) +# ifdef ZLIB_INTERNAL +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +# endif +# endif /* ZLIB_DLL */ + /* If building or using zlib with the WINAPI/WINAPIV calling convention, + * define ZLIB_WINAPI. + * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. + */ +# ifdef ZLIB_WINAPI +# ifdef FAR +# undef FAR +# endif +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include + /* No need for _export, use ZLIB.DEF instead. */ + /* For complete Windows compatibility, use WINAPI, not __stdcall. */ +# define ZEXPORT WINAPI +# ifdef WIN32 +# define ZEXPORTVA WINAPIV +# else +# define ZEXPORTVA FAR CDECL +# endif +# endif +#endif + +#if defined (__BEOS__) +# ifdef ZLIB_DLL +# ifdef ZLIB_INTERNAL +# define ZEXPORT __declspec(dllexport) +# define ZEXPORTVA __declspec(dllexport) +# else +# define ZEXPORT __declspec(dllimport) +# define ZEXPORTVA __declspec(dllimport) +# endif +# endif +#endif + +#ifndef ZEXTERN +# define ZEXTERN extern +#endif +#ifndef ZEXPORT +# define ZEXPORT +#endif +#ifndef ZEXPORTVA +# define ZEXPORTVA +#endif + +#ifndef FAR +# define FAR +#endif + +#if !defined(__MACTYPES__) +typedef unsigned char Byte; /* 8 bits */ +#endif +typedef unsigned int uInt; /* 16 bits or more */ +typedef unsigned long uLong; /* 32 bits or more */ + +#ifdef SMALL_MEDIUM + /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ +# define Bytef Byte FAR +#else + typedef Byte FAR Bytef; +#endif +typedef char FAR charf; +typedef int FAR intf; +typedef uInt FAR uIntf; +typedef uLong FAR uLongf; + +#ifdef STDC + typedef void const *voidpc; + typedef void FAR *voidpf; + typedef void *voidp; +#else + typedef Byte const *voidpc; + typedef Byte FAR *voidpf; + typedef Byte *voidp; +#endif + +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + +#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_UNISTD_H +#endif + +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + +#ifdef STDC +# ifndef Z_SOLO +# include /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include /* for wchar_t */ +# endif +#endif + +/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and + * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even + * though the former does not conform to the LFS document), but considering + * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as + * equivalently requesting no 64-bit operations + */ +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 +# undef _LARGEFILE64_SOURCE +#endif + +#ifndef Z_HAVE_UNISTD_H +# ifdef __WATCOMC__ +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_HAVE_UNISTD_H +# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) +# include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif +# endif +#endif + +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif + +#ifndef z_off_t +# define z_off_t long +#endif + +#if !defined(_WIN32) && defined(Z_LARGE64) +# define z_off64_t off64_t +#else +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif +#endif + +/* MVS linker does not support external names larger than 8 bytes */ +#if defined(__MVS__) + #pragma map(deflateInit_,"DEIN") + #pragma map(deflateInit2_,"DEIN2") + #pragma map(deflateEnd,"DEEND") + #pragma map(deflateBound,"DEBND") + #pragma map(inflateInit_,"ININ") + #pragma map(inflateInit2_,"ININ2") + #pragma map(inflateEnd,"INEND") + #pragma map(inflateSync,"INSY") + #pragma map(inflateSetDictionary,"INSEDI") + #pragma map(compressBound,"CMBND") + #pragma map(inflate_table,"INTABL") + #pragma map(inflate_fast,"INFA") + #pragma map(inflate_copyright,"INCOPY") +#endif + +#endif /* ZCONF_H */ diff --git a/zconf.h.in b/zconf.h.in new file mode 100644 index 0000000..bf977d3 --- /dev/null +++ b/zconf.h.in @@ -0,0 +1,547 @@ +/* zconf.h -- configuration of the zlib compression library + * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#ifndef ZCONF_H +#define ZCONF_H + +/* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. + * Even better than compiling with -DZ_PREFIX would be to use configure to set + * this permanently in zconf.h using "./configure --zprefix". + */ +#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET + +/* all linked symbols and init macros */ +# define _dist_code z__dist_code +# define _length_code z__length_code +# define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits +# define _tr_flush_block z__tr_flush_block +# define _tr_init z__tr_init +# define _tr_stored_block z__tr_stored_block +# define _tr_tally z__tr_tally +# define adler32 z_adler32 +# define adler32_combine z_adler32_combine +# define adler32_combine64 z_adler32_combine64 +# define adler32_z z_adler32_z +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif +# define crc32 z_crc32 +# define crc32_combine z_crc32_combine +# define crc32_combine64 z_crc32_combine64 +# define crc32_combine_gen z_crc32_combine_gen +# define crc32_combine_gen64 z_crc32_combine_gen64 +# define crc32_combine_op z_crc32_combine_op +# define crc32_z z_crc32_z +# define deflate z_deflate +# define deflateBound z_deflateBound +# define deflateCopy z_deflateCopy +# define deflateEnd z_deflateEnd +# define deflateGetDictionary z_deflateGetDictionary +# define deflateInit z_deflateInit +# define deflateInit2 z_deflateInit2 +# define deflateInit2_ z_deflateInit2_ +# define deflateInit_ z_deflateInit_ +# define deflateParams z_deflateParams +# define deflatePending z_deflatePending +# define deflatePrime z_deflatePrime +# define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep +# define deflateSetDictionary z_deflateSetDictionary +# define deflateSetHeader z_deflateSetHeader +# define deflateTune z_deflateTune +# define deflate_copyright z_deflate_copyright +# define get_crc_table z_get_crc_table +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzfread z_gzfread +# define gzfwrite z_gzfwrite +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzvprintf z_gzvprintf +# define gzwrite z_gzwrite +# endif +# define inflate z_inflate +# define inflateBack z_inflateBack +# define inflateBackEnd z_inflateBackEnd +# define inflateBackInit z_inflateBackInit +# define inflateBackInit_ z_inflateBackInit_ +# define inflateCodesUsed z_inflateCodesUsed +# define inflateCopy z_inflateCopy +# define inflateEnd z_inflateEnd +# define inflateGetDictionary z_inflateGetDictionary +# define inflateGetHeader z_inflateGetHeader +# define inflateInit z_inflateInit +# define inflateInit2 z_inflateInit2 +# define inflateInit2_ z_inflateInit2_ +# define inflateInit_ z_inflateInit_ +# define inflateMark z_inflateMark +# define inflatePrime z_inflatePrime +# define inflateReset z_inflateReset +# define inflateReset2 z_inflateReset2 +# define inflateResetKeep z_inflateResetKeep +# define inflateSetDictionary z_inflateSetDictionary +# define inflateSync z_inflateSync +# define inflateSyncPoint z_inflateSyncPoint +# define inflateUndermine z_inflateUndermine +# define inflateValidate z_inflateValidate +# define inflate_copyright z_inflate_copyright +# define inflate_fast z_inflate_fast +# define inflate_table z_inflate_table +# ifndef Z_SOLO +# define uncompress z_uncompress +# define uncompress2 z_uncompress2 +# endif +# define zError z_zError +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif +# define zlibCompileFlags z_zlibCompileFlags +# define zlibVersion z_zlibVersion + +/* all zlib typedefs in zlib.h and zconf.h */ +# define Byte z_Byte +# define Bytef z_Bytef +# define alloc_func z_alloc_func +# define charf z_charf +# define free_func z_free_func +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif +# define gz_header z_gz_header +# define gz_headerp z_gz_headerp +# define in_func z_in_func +# define intf z_intf +# define out_func z_out_func +# define uInt z_uInt +# define uIntf z_uIntf +# define uLong z_uLong +# define uLongf z_uLongf +# define voidp z_voidp +# define voidpc z_voidpc +# define voidpf z_voidpf + +/* all zlib structs in zlib.h and zconf.h */ +# define gz_header_s z_gz_header_s +# define internal_state z_internal_state + +#endif + +#if defined(__MSDOS__) && !defined(MSDOS) +# define MSDOS +#endif +#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) +# define OS2 +#endif +#if defined(_WINDOWS) && !defined(WINDOWS) +# define WINDOWS +#endif +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif +#endif +#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) +# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) +# ifndef SYS16BIT +# define SYS16BIT +# endif +# endif +#endif + +/* + * Compile with -DMAXSEG_64K if the alloc function cannot allocate more + * than 64k bytes at a time (needed on systems with 16-bit int). + */ +#ifdef SYS16BIT +# define MAXSEG_64K +#endif +#ifdef MSDOS +# define UNALIGNED_OK +#endif + +#ifdef __STDC_VERSION__ +# ifndef STDC +# define STDC +# endif +# if __STDC_VERSION__ >= 199901L +# ifndef STDC99 +# define STDC99 +# endif +# endif +#endif +#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) +# define STDC +#endif +#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) +# define STDC +#endif +#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) +# define STDC +#endif +#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) +# define STDC +#endif + +#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ +# define STDC +#endif + +#ifndef STDC +# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ +# define const /* note: need a more gentle solution here */ +# endif +#endif + +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + +#ifdef Z_SOLO + typedef unsigned long z_size_t; +#else +# define z_longlong long long +# if defined(NO_SIZE_T) + typedef unsigned NO_SIZE_T z_size_t; +# elif defined(STDC) +# include + typedef size_t z_size_t; +# else + typedef unsigned long z_size_t; +# endif +# undef z_longlong +#endif + +/* Maximum value for memLevel in deflateInit2 */ +#ifndef MAX_MEM_LEVEL +# ifdef MAXSEG_64K +# define MAX_MEM_LEVEL 8 +# else +# define MAX_MEM_LEVEL 9 +# endif +#endif + +/* Maximum value for windowBits in deflateInit2 and inflateInit2. + * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files + * created by gzip. (Files created by minigzip can still be extracted by + * gzip.) + */ +#ifndef MAX_WBITS +# define MAX_WBITS 15 /* 32K LZ77 window */ +#endif + +/* The memory requirements for deflate are (in bytes): + (1 << (windowBits+2)) + (1 << (memLevel+9)) + that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) + plus a few kilobytes for small objects. For example, if you want to reduce + the default memory requirements from 256K to 128K, compile with + make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" + Of course this will generally degrade compression (there's no free lunch). + + The memory requirements for inflate are (in bytes) 1 << windowBits + that is, 32K for windowBits=15 (default value) plus about 7 kilobytes + for small objects. +*/ + + /* Type declarations */ + +#ifndef OF /* function prototypes */ +# ifdef STDC +# define OF(args) args +# else +# define OF(args) () +# endif +#endif + +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + +/* The following definitions for FAR are needed only for MSDOS mixed + * model programming (small or medium model with some far allocations). + * This was tested only with MSC; for other MSDOS compilers you may have + * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, + * just define FAR to be empty. + */ +#ifdef SYS16BIT +# if defined(M_I86SM) || defined(M_I86MM) + /* MSC small or medium model */ +# define SMALL_MEDIUM +# ifdef _MSC_VER +# define FAR _far +# else +# define FAR far +# endif +# endif +# if (defined(__SMALL__) || defined(__MEDIUM__)) + /* Turbo C small or medium model */ +# define SMALL_MEDIUM +# ifdef __BORLANDC__ +# define FAR _far +# else +# define FAR far +# endif +# endif +#endif + +#if defined(WINDOWS) || defined(WIN32) + /* If building or using zlib as a DLL, define ZLIB_DLL. + * This is not mandatory, but it offers a little performance increase. + */ +# ifdef ZLIB_DLL +# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) +# ifdef ZLIB_INTERNAL +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +# endif +# endif /* ZLIB_DLL */ + /* If building or using zlib with the WINAPI/WINAPIV calling convention, + * define ZLIB_WINAPI. + * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. + */ +# ifdef ZLIB_WINAPI +# ifdef FAR +# undef FAR +# endif +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include + /* No need for _export, use ZLIB.DEF instead. */ + /* For complete Windows compatibility, use WINAPI, not __stdcall. */ +# define ZEXPORT WINAPI +# ifdef WIN32 +# define ZEXPORTVA WINAPIV +# else +# define ZEXPORTVA FAR CDECL +# endif +# endif +#endif + +#if defined (__BEOS__) +# ifdef ZLIB_DLL +# ifdef ZLIB_INTERNAL +# define ZEXPORT __declspec(dllexport) +# define ZEXPORTVA __declspec(dllexport) +# else +# define ZEXPORT __declspec(dllimport) +# define ZEXPORTVA __declspec(dllimport) +# endif +# endif +#endif + +#ifndef ZEXTERN +# define ZEXTERN extern +#endif +#ifndef ZEXPORT +# define ZEXPORT +#endif +#ifndef ZEXPORTVA +# define ZEXPORTVA +#endif + +#ifndef FAR +# define FAR +#endif + +#if !defined(__MACTYPES__) +typedef unsigned char Byte; /* 8 bits */ +#endif +typedef unsigned int uInt; /* 16 bits or more */ +typedef unsigned long uLong; /* 32 bits or more */ + +#ifdef SMALL_MEDIUM + /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ +# define Bytef Byte FAR +#else + typedef Byte FAR Bytef; +#endif +typedef char FAR charf; +typedef int FAR intf; +typedef uInt FAR uIntf; +typedef uLong FAR uLongf; + +#ifdef STDC + typedef void const *voidpc; + typedef void FAR *voidpf; + typedef void *voidp; +#else + typedef Byte const *voidpc; + typedef Byte FAR *voidpf; + typedef Byte *voidp; +#endif + +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + +#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_UNISTD_H +#endif + +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + +#ifdef STDC +# ifndef Z_SOLO +# include /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include /* for wchar_t */ +# endif +#endif + +/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and + * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even + * though the former does not conform to the LFS document), but considering + * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as + * equivalently requesting no 64-bit operations + */ +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 +# undef _LARGEFILE64_SOURCE +#endif + +#ifndef Z_HAVE_UNISTD_H +# ifdef __WATCOMC__ +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_HAVE_UNISTD_H +# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) +# include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif +# endif +#endif + +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif + +#ifndef z_off_t +# define z_off_t long +#endif + +#if !defined(_WIN32) && defined(Z_LARGE64) +# define z_off64_t off64_t +#else +# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif +#endif + +/* MVS linker does not support external names larger than 8 bytes */ +#if defined(__MVS__) + #pragma map(deflateInit_,"DEIN") + #pragma map(deflateInit2_,"DEIN2") + #pragma map(deflateEnd,"DEEND") + #pragma map(deflateBound,"DEBND") + #pragma map(inflateInit_,"ININ") + #pragma map(inflateInit2_,"ININ2") + #pragma map(inflateEnd,"INEND") + #pragma map(inflateSync,"INSY") + #pragma map(inflateSetDictionary,"INSEDI") + #pragma map(compressBound,"CMBND") + #pragma map(inflate_table,"INTABL") + #pragma map(inflate_fast,"INFA") + #pragma map(inflate_copyright,"INCOPY") +#endif + +#endif /* ZCONF_H */ diff --git a/zlib.3 b/zlib.3 new file mode 100644 index 0000000..6f6e914 --- /dev/null +++ b/zlib.3 @@ -0,0 +1,149 @@ +.TH ZLIB 3 "13 Oct 2022" +.SH NAME +zlib \- compression/decompression library +.SH SYNOPSIS +[see +.I zlib.h +for full description] +.SH DESCRIPTION +The +.I zlib +library is a general purpose data compression library. +The code is thread safe, assuming that the standard library functions +used are thread safe, such as memory allocation routines. +It provides in-memory compression and decompression functions, +including integrity checks of the uncompressed data. +This version of the library supports only one compression method (deflation) +but other algorithms may be added later +with the same stream interface. +.LP +Compression can be done in a single step if the buffers are large enough +or can be done by repeated calls of the compression function. +In the latter case, +the application must provide more input and/or consume the output +(providing more output space) before each call. +.LP +The library also supports reading and writing files in +.IR gzip (1) +(.gz) format +with an interface similar to that of stdio. +.LP +The library does not install any signal handler. +The decoder checks the consistency of the compressed data, +so the library should never crash even in the case of corrupted input. +.LP +All functions of the compression library are documented in the file +.IR zlib.h . +The distribution source includes examples of use of the library +in the files +.I test/example.c +and +.IR test/minigzip.c, +as well as other examples in the +.IR examples/ +directory. +.LP +Changes to this version are documented in the file +.I ChangeLog +that accompanies the source. +.LP +.I zlib +is built in to many languages and operating systems, including but not limited to +Java, Python, .NET, PHP, Perl, Ruby, Swift, and Go. +.LP +An experimental package to read and write files in the .zip format, +written on top of +.I zlib +by Gilles Vollant (info@winimage.com), +is available at: +.IP +http://www.winimage.com/zLibDll/minizip.html +and also in the +.I contrib/minizip +directory of the main +.I zlib +source distribution. +.SH "SEE ALSO" +The +.I zlib +web site can be found at: +.IP +http://zlib.net/ +.LP +The data format used by the +.I zlib +library is described by RFC +(Request for Comments) 1950 to 1952 in the files: +.IP +http://tools.ietf.org/html/rfc1950 (for the zlib header and trailer format) +.br +http://tools.ietf.org/html/rfc1951 (for the deflate compressed data format) +.br +http://tools.ietf.org/html/rfc1952 (for the gzip header and trailer format) +.LP +Mark Nelson wrote an article about +.I zlib +for the Jan. 1997 issue of Dr. Dobb's Journal; +a copy of the article is available at: +.IP +http://marknelson.us/1997/01/01/zlib-engine/ +.SH "REPORTING PROBLEMS" +Before reporting a problem, +please check the +.I zlib +web site to verify that you have the latest version of +.IR zlib ; +otherwise, +obtain the latest version and see if the problem still exists. +Please read the +.I zlib +FAQ at: +.IP +http://zlib.net/zlib_faq.html +.LP +before asking for help. +Send questions and/or comments to zlib@gzip.org, +or (for the Windows DLL version) to Gilles Vollant (info@winimage.com). +.SH AUTHORS AND LICENSE +Version 1.2.13 +.LP +Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler +.LP +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. +.LP +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: +.LP +.nr step 1 1 +.IP \n[step]. 3 +The origin of this software must not be misrepresented; you must not +claim that you wrote the original software. If you use this software +in a product, an acknowledgment in the product documentation would be +appreciated but is not required. +.IP \n+[step]. +Altered source versions must be plainly marked as such, and must not be +misrepresented as being the original software. +.IP \n+[step]. +This notice may not be removed or altered from any source distribution. +.LP +Jean-loup Gailly Mark Adler +.br +jloup@gzip.org madler@alumni.caltech.edu +.LP +The deflate format used by +.I zlib +was defined by Phil Katz. +The deflate and +.I zlib +specifications were written by L. Peter Deutsch. +Thanks to all the people who reported problems and suggested various +improvements in +.IR zlib ; +who are too numerous to cite here. +.LP +UNIX manual page by R. P. C. Rodgers, +U.S. National Library of Medicine (rodgers@nlm.nih.gov). +.\" end of man page diff --git a/zlib.3.pdf b/zlib.3.pdf new file mode 100644 index 0000000..8132d84 Binary files /dev/null and b/zlib.3.pdf differ diff --git a/zlib.h b/zlib.h new file mode 100644 index 0000000..953cb50 --- /dev/null +++ b/zlib.h @@ -0,0 +1,1935 @@ +/* zlib.h -- interface of the 'zlib' general purpose compression library + version 1.2.13, October 13th, 2022 + + Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu + + + The data format used by the zlib library is described by RFCs (Request for + Comments) 1950 to 1952 in the files http://tools.ietf.org/html/rfc1950 + (zlib format), rfc1951 (deflate format) and rfc1952 (gzip format). +*/ + +#ifndef ZLIB_H +#define ZLIB_H + +#include "zconf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZLIB_VERSION "1.2.13" +#define ZLIB_VERNUM 0x12d0 +#define ZLIB_VER_MAJOR 1 +#define ZLIB_VER_MINOR 2 +#define ZLIB_VER_REVISION 13 +#define ZLIB_VER_SUBREVISION 0 + +/* + The 'zlib' compression library provides in-memory compression and + decompression functions, including integrity checks of the uncompressed data. + This version of the library supports only one compression method (deflation) + but other algorithms will be added later and will have the same stream + interface. + + Compression can be done in a single step if the buffers are large enough, + or can be done by repeated calls of the compression function. In the latter + case, the application must provide more input and/or consume the output + (providing more output space) before each call. + + The compressed data format used by default by the in-memory functions is + the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped + around a deflate stream, which is itself documented in RFC 1951. + + The library also supports reading and writing files in gzip (.gz) format + with an interface similar to that of stdio using the functions that start + with "gz". The gzip format is different from the zlib format. gzip is a + gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. + + This library can optionally read and write gzip and raw deflate streams in + memory as well. + + The zlib format was designed to be compact and fast for use in memory + and on communications channels. The gzip format was designed for single- + file compression on file systems, has a larger header than zlib to maintain + directory information, and uses a different, slower check method than zlib. + + The library does not install any signal handler. The decoder checks + the consistency of the compressed data, so the library should never crash + even in the case of corrupted input. +*/ + +typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); +typedef void (*free_func) OF((voidpf opaque, voidpf address)); + +struct internal_state; + +typedef struct z_stream_s { + z_const Bytef *next_in; /* next input byte */ + uInt avail_in; /* number of bytes available at next_in */ + uLong total_in; /* total number of input bytes read so far */ + + Bytef *next_out; /* next output byte will go here */ + uInt avail_out; /* remaining free space at next_out */ + uLong total_out; /* total number of bytes output so far */ + + z_const char *msg; /* last error message, NULL if no error */ + struct internal_state FAR *state; /* not visible by applications */ + + alloc_func zalloc; /* used to allocate the internal state */ + free_func zfree; /* used to free the internal state */ + voidpf opaque; /* private data object passed to zalloc and zfree */ + + int data_type; /* best guess about the data type: binary or text + for deflate, or the decoding state for inflate */ + uLong adler; /* Adler-32 or CRC-32 value of the uncompressed data */ + uLong reserved; /* reserved for future use */ +} z_stream; + +typedef z_stream FAR *z_streamp; + +/* + gzip header information passed to and from zlib routines. See RFC 1952 + for more details on the meanings of these fields. +*/ +typedef struct gz_header_s { + int text; /* true if compressed data believed to be text */ + uLong time; /* modification time */ + int xflags; /* extra flags (not used when writing a gzip file) */ + int os; /* operating system */ + Bytef *extra; /* pointer to extra field or Z_NULL if none */ + uInt extra_len; /* extra field length (valid if extra != Z_NULL) */ + uInt extra_max; /* space at extra (only when reading header) */ + Bytef *name; /* pointer to zero-terminated file name or Z_NULL */ + uInt name_max; /* space at name (only when reading header) */ + Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */ + uInt comm_max; /* space at comment (only when reading header) */ + int hcrc; /* true if there was or will be a header crc */ + int done; /* true when done reading gzip header (not used + when writing a gzip file) */ +} gz_header; + +typedef gz_header FAR *gz_headerp; + +/* + The application must update next_in and avail_in when avail_in has dropped + to zero. It must update next_out and avail_out when avail_out has dropped + to zero. The application must initialize zalloc, zfree and opaque before + calling the init function. All other fields are set by the compression + library and must not be updated by the application. + + The opaque value provided by the application will be passed as the first + parameter for calls of zalloc and zfree. This can be useful for custom + memory management. The compression library attaches no meaning to the + opaque value. + + zalloc must return Z_NULL if there is not enough memory for the object. + If zlib is used in a multi-threaded application, zalloc and zfree must be + thread safe. In that case, zlib is thread-safe. When zalloc and zfree are + Z_NULL on entry to the initialization function, they are set to internal + routines that use the standard library functions malloc() and free(). + + On 16-bit systems, the functions zalloc and zfree must be able to allocate + exactly 65536 bytes, but will not be required to allocate more than this if + the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, pointers + returned by zalloc for objects of exactly 65536 bytes *must* have their + offset normalized to zero. The default allocation function provided by this + library ensures this (see zutil.c). To reduce memory requirements and avoid + any allocation of 64K objects, at the expense of compression ratio, compile + the library with -DMAX_WBITS=14 (see zconf.h). + + The fields total_in and total_out can be used for statistics or progress + reports. After compression, total_in holds the total size of the + uncompressed data and may be saved for use by the decompressor (particularly + if the decompressor wants to decompress everything in a single step). +*/ + + /* constants */ + +#define Z_NO_FLUSH 0 +#define Z_PARTIAL_FLUSH 1 +#define Z_SYNC_FLUSH 2 +#define Z_FULL_FLUSH 3 +#define Z_FINISH 4 +#define Z_BLOCK 5 +#define Z_TREES 6 +/* Allowed flush values; see deflate() and inflate() below for details */ + +#define Z_OK 0 +#define Z_STREAM_END 1 +#define Z_NEED_DICT 2 +#define Z_ERRNO (-1) +#define Z_STREAM_ERROR (-2) +#define Z_DATA_ERROR (-3) +#define Z_MEM_ERROR (-4) +#define Z_BUF_ERROR (-5) +#define Z_VERSION_ERROR (-6) +/* Return codes for the compression/decompression functions. Negative values + * are errors, positive values are used for special but normal events. + */ + +#define Z_NO_COMPRESSION 0 +#define Z_BEST_SPEED 1 +#define Z_BEST_COMPRESSION 9 +#define Z_DEFAULT_COMPRESSION (-1) +/* compression levels */ + +#define Z_FILTERED 1 +#define Z_HUFFMAN_ONLY 2 +#define Z_RLE 3 +#define Z_FIXED 4 +#define Z_DEFAULT_STRATEGY 0 +/* compression strategy; see deflateInit2() below for details */ + +#define Z_BINARY 0 +#define Z_TEXT 1 +#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ +#define Z_UNKNOWN 2 +/* Possible values of the data_type field for deflate() */ + +#define Z_DEFLATED 8 +/* The deflate compression method (the only one supported in this version) */ + +#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */ + +#define zlib_version zlibVersion() +/* for compatibility with versions < 1.0.2 */ + + + /* basic functions */ + +ZEXTERN const char * ZEXPORT zlibVersion OF((void)); +/* The application can compare zlibVersion and ZLIB_VERSION for consistency. + If the first character differs, the library code actually used is not + compatible with the zlib.h header file used by the application. This check + is automatically made by deflateInit and inflateInit. + */ + +/* +ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); + + Initializes the internal stream state for compression. The fields + zalloc, zfree and opaque must be initialized before by the caller. If + zalloc and zfree are set to Z_NULL, deflateInit updates them to use default + allocation functions. + + The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: + 1 gives best speed, 9 gives best compression, 0 gives no compression at all + (the input data is simply copied a block at a time). Z_DEFAULT_COMPRESSION + requests a default compromise between speed and compression (currently + equivalent to level 6). + + deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if level is not a valid compression level, or + Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible + with the version assumed by the caller (ZLIB_VERSION). msg is set to null + if there is no error message. deflateInit does not perform any compression: + this will be done by deflate(). +*/ + + +ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); +/* + deflate compresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce + some output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. deflate performs one or both of the + following actions: + + - Compress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in and avail_in are updated and + processing will resume at this point for the next call of deflate(). + + - Generate more output starting at next_out and update next_out and avail_out + accordingly. This action is forced if the parameter flush is non zero. + Forcing flush frequently degrades the compression ratio, so this parameter + should be set only when necessary. Some output may be provided even if + flush is zero. + + Before the call of deflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming more + output, and updating avail_in or avail_out accordingly; avail_out should + never be zero before the call. The application can consume the compressed + output when it wants, for example when the output buffer is full (avail_out + == 0), or after each call of deflate(). If deflate returns Z_OK and with + zero avail_out, it must be called again after making room in the output + buffer because there might be more output pending. See deflatePending(), + which can be used if desired to determine whether or not there is more output + in that case. + + Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to + decide how much data to accumulate before producing output, in order to + maximize compression. + + If the parameter flush is set to Z_SYNC_FLUSH, all pending output is + flushed to the output buffer and the output is aligned on a byte boundary, so + that the decompressor can get all input data available so far. (In + particular avail_in is zero after the call if enough output space has been + provided before the call.) Flushing may degrade compression for some + compression algorithms and so it should be used only when necessary. This + completes the current deflate block and follows it with an empty stored block + that is three bits plus filler bits to the next byte, followed by four bytes + (00 00 ff ff). + + If flush is set to Z_PARTIAL_FLUSH, all pending output is flushed to the + output buffer, but the output is not aligned to a byte boundary. All of the + input data so far will be available to the decompressor, as for Z_SYNC_FLUSH. + This completes the current deflate block and follows it with an empty fixed + codes block that is 10 bits long. This assures that enough bytes are output + in order for the decompressor to finish the block before the empty fixed + codes block. + + If flush is set to Z_BLOCK, a deflate block is completed and emitted, as + for Z_SYNC_FLUSH, but the output is not aligned on a byte boundary, and up to + seven bits of the current block are held to be written as the next byte after + the next deflate block is completed. In this case, the decompressor may not + be provided enough bits at this point in order to complete decompression of + the data provided so far to the compressor. It may need to wait for the next + block to be emitted. This is for advanced applications that need to control + the emission of deflate blocks. + + If flush is set to Z_FULL_FLUSH, all output is flushed as with + Z_SYNC_FLUSH, and the compression state is reset so that decompression can + restart from this point if previous compressed data has been damaged or if + random access is desired. Using Z_FULL_FLUSH too often can seriously degrade + compression. + + If deflate returns with avail_out == 0, this function must be called again + with the same value of the flush parameter and more output space (updated + avail_out), until the flush is complete (deflate returns with non-zero + avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that + avail_out is greater than six to avoid repeated flush markers due to + avail_out == 0 on return. + + If the parameter flush is set to Z_FINISH, pending input is processed, + pending output is flushed and deflate returns with Z_STREAM_END if there was + enough output space. If deflate returns with Z_OK or Z_BUF_ERROR, this + function must be called again with Z_FINISH and more output space (updated + avail_out) but no more input data, until it returns with Z_STREAM_END or an + error. After deflate has returned Z_STREAM_END, the only possible operations + on the stream are deflateReset or deflateEnd. + + Z_FINISH can be used in the first deflate call after deflateInit if all the + compression is to be done in a single step. In order to complete in one + call, avail_out must be at least the value returned by deflateBound (see + below). Then deflate is guaranteed to return Z_STREAM_END. If not enough + output space is provided, deflate will not return Z_STREAM_END, and it must + be called again as described above. + + deflate() sets strm->adler to the Adler-32 checksum of all input read + so far (that is, total_in bytes). If a gzip stream is being generated, then + strm->adler will be the CRC-32 checksum of the input read so far. (See + deflateInit2 below.) + + deflate() may update strm->data_type if it can make a good guess about + the input data type (Z_BINARY or Z_TEXT). If in doubt, the data is + considered binary. This field is only for information purposes and does not + affect the compression algorithm in any manner. + + deflate() returns Z_OK if some progress has been made (more input + processed or more output produced), Z_STREAM_END if all input has been + consumed and all output has been produced (only when flush is set to + Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example + if next_in or next_out was Z_NULL or the state was inadvertently written over + by the application), or Z_BUF_ERROR if no progress is possible (for example + avail_in or avail_out was zero). Note that Z_BUF_ERROR is not fatal, and + deflate() can be called again with more input and more output space to + continue compressing. +*/ + + +ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any pending + output. + + deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the + stream state was inconsistent, Z_DATA_ERROR if the stream was freed + prematurely (some input or output was discarded). In the error case, msg + may be set but then points to a static string (which must not be + deallocated). +*/ + + +/* +ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); + + Initializes the internal stream state for decompression. The fields + next_in, avail_in, zalloc, zfree and opaque must be initialized before by + the caller. In the current version of inflate, the provided input is not + read or consumed. The allocation of a sliding window will be deferred to + the first call of inflate (if the decompression does not complete on the + first call). If zalloc and zfree are set to Z_NULL, inflateInit updates + them to use default allocation functions. + + inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller, or Z_STREAM_ERROR if the parameters are + invalid, such as a null pointer to the structure. msg is set to null if + there is no error message. inflateInit does not perform any decompression. + Actual decompression will be done by inflate(). So next_in, and avail_in, + next_out, and avail_out are unused and unchanged. The current + implementation of inflateInit() does not process any header information -- + that is deferred until inflate() is called. +*/ + + +ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); +/* + inflate decompresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce + some output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. inflate performs one or both of the + following actions: + + - Decompress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), then next_in and avail_in are updated + accordingly, and processing will resume at this point for the next call of + inflate(). + + - Generate more output starting at next_out and update next_out and avail_out + accordingly. inflate() provides as much output as possible, until there is + no more input data or no more space in the output buffer (see below about + the flush parameter). + + Before the call of inflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming more + output, and updating the next_* and avail_* values accordingly. If the + caller of inflate() does not provide both available input and available + output space, it is possible that there will be no progress made. The + application can consume the uncompressed output when it wants, for example + when the output buffer is full (avail_out == 0), or after each call of + inflate(). If inflate returns Z_OK and with zero avail_out, it must be + called again after making room in the output buffer because there might be + more output pending. + + The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, Z_FINISH, + Z_BLOCK, or Z_TREES. Z_SYNC_FLUSH requests that inflate() flush as much + output as possible to the output buffer. Z_BLOCK requests that inflate() + stop if and when it gets to the next deflate block boundary. When decoding + the zlib or gzip format, this will cause inflate() to return immediately + after the header and before the first block. When doing a raw inflate, + inflate() will go ahead and process the first block, and will return when it + gets to the end of that block, or when it runs out of data. + + The Z_BLOCK option assists in appending to or combining deflate streams. + To assist in this, on return inflate() always sets strm->data_type to the + number of unused bits in the last byte taken from strm->next_in, plus 64 if + inflate() is currently decoding the last block in the deflate stream, plus + 128 if inflate() returned immediately after decoding an end-of-block code or + decoding the complete header up to just before the first byte of the deflate + stream. The end-of-block will not be indicated until all of the uncompressed + data from that block has been written to strm->next_out. The number of + unused bits may in general be greater than seven, except when bit 7 of + data_type is set, in which case the number of unused bits will be less than + eight. data_type is set as noted here every time inflate() returns for all + flush options, and so can be used to determine the amount of currently + consumed input in bits. + + The Z_TREES option behaves as Z_BLOCK does, but it also returns when the + end of each deflate block header is reached, before any actual data in that + block is decoded. This allows the caller to determine the length of the + deflate block header for later use in random access within a deflate block. + 256 is added to the value of strm->data_type when inflate() returns + immediately after reaching the end of the deflate block header. + + inflate() should normally be called until it returns Z_STREAM_END or an + error. However if all decompression is to be performed in a single step (a + single call of inflate), the parameter flush should be set to Z_FINISH. In + this case all pending input is processed and all pending output is flushed; + avail_out must be large enough to hold all of the uncompressed data for the + operation to complete. (The size of the uncompressed data may have been + saved by the compressor for this purpose.) The use of Z_FINISH is not + required to perform an inflation in one step. However it may be used to + inform inflate that a faster approach can be used for the single inflate() + call. Z_FINISH also informs inflate to not maintain a sliding window if the + stream completes, which reduces inflate's memory footprint. If the stream + does not complete, either because not all of the stream is provided or not + enough output space is provided, then a sliding window will be allocated and + inflate() can be called again to continue the operation as if Z_NO_FLUSH had + been used. + + In this implementation, inflate() always flushes as much output as + possible to the output buffer, and always uses the faster approach on the + first call. So the effects of the flush parameter in this implementation are + on the return value of inflate() as noted below, when inflate() returns early + when Z_BLOCK or Z_TREES is used, and when inflate() avoids the allocation of + memory for a sliding window when Z_FINISH is used. + + If a preset dictionary is needed after this call (see inflateSetDictionary + below), inflate sets strm->adler to the Adler-32 checksum of the dictionary + chosen by the compressor and returns Z_NEED_DICT; otherwise it sets + strm->adler to the Adler-32 checksum of all output produced so far (that is, + total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described + below. At the end of the stream, inflate() checks that its computed Adler-32 + checksum is equal to that saved by the compressor and returns Z_STREAM_END + only if the checksum is correct. + + inflate() can decompress and check either zlib-wrapped or gzip-wrapped + deflate data. The header type is detected automatically, if requested when + initializing with inflateInit2(). Any information contained in the gzip + header is not retained unless inflateGetHeader() is used. When processing + gzip-wrapped deflate data, strm->adler32 is set to the CRC-32 of the output + produced so far. The CRC-32 is checked against the gzip trailer, as is the + uncompressed length, modulo 2^32. + + inflate() returns Z_OK if some progress has been made (more input processed + or more output produced), Z_STREAM_END if the end of the compressed data has + been reached and all uncompressed output has been produced, Z_NEED_DICT if a + preset dictionary is needed at this point, Z_DATA_ERROR if the input data was + corrupted (input stream not conforming to the zlib format or incorrect check + value, in which case strm->msg points to a string with a more specific + error), Z_STREAM_ERROR if the stream structure was inconsistent (for example + next_in or next_out was Z_NULL, or the state was inadvertently written over + by the application), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR + if no progress was possible or if there was not enough room in the output + buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and + inflate() can be called again with more input and more output space to + continue decompressing. If Z_DATA_ERROR is returned, the application may + then call inflateSync() to look for a good compression block if a partial + recovery of the data is to be attempted. +*/ + + +ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any pending + output. + + inflateEnd returns Z_OK if success, or Z_STREAM_ERROR if the stream state + was inconsistent. +*/ + + + /* Advanced functions */ + +/* + The following functions are needed only in some special applications. +*/ + +/* +ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, + int level, + int method, + int windowBits, + int memLevel, + int strategy)); + + This is another version of deflateInit with more compression options. The + fields zalloc, zfree and opaque must be initialized before by the caller. + + The method parameter is the compression method. It must be Z_DEFLATED in + this version of the library. + + The windowBits parameter is the base two logarithm of the window size + (the size of the history buffer). It should be in the range 8..15 for this + version of the library. Larger values of this parameter result in better + compression at the expense of memory usage. The default value is 15 if + deflateInit is used instead. + + For the current implementation of deflate(), a windowBits value of 8 (a + window size of 256 bytes) is not supported. As a result, a request for 8 + will result in 9 (a 512-byte window). In that case, providing 8 to + inflateInit2() will result in an error when the zlib header with 9 is + checked against the initialization of inflate(). The remedy is to not use 8 + with deflateInit2() with this initialization, or at least in that case use 9 + with inflateInit2(). + + windowBits can also be -8..-15 for raw deflate. In this case, -windowBits + determines the window size. deflate() will then generate raw deflate data + with no zlib header or trailer, and will not compute a check value. + + windowBits can also be greater than 15 for optional gzip encoding. Add + 16 to windowBits to write a simple gzip header and trailer around the + compressed data instead of a zlib wrapper. The gzip header will have no + file name, no extra data, no comment, no modification time (set to zero), no + header crc, and the operating system will be set to the appropriate value, + if the operating system was determined at compile time. If a gzip stream is + being written, strm->adler is a CRC-32 instead of an Adler-32. + + For raw deflate or gzip encoding, a request for a 256-byte window is + rejected as invalid, since only the zlib header provides a means of + transmitting the window size to the decompressor. + + The memLevel parameter specifies how much memory should be allocated + for the internal compression state. memLevel=1 uses minimum memory but is + slow and reduces compression ratio; memLevel=9 uses maximum memory for + optimal speed. The default value is 8. See zconf.h for total memory usage + as a function of windowBits and memLevel. + + The strategy parameter is used to tune the compression algorithm. Use the + value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a + filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no + string match), or Z_RLE to limit match distances to one (run-length + encoding). Filtered data consists mostly of small values with a somewhat + random distribution. In this case, the compression algorithm is tuned to + compress them better. The effect of Z_FILTERED is to force more Huffman + coding and less string matching; it is somewhat intermediate between + Z_DEFAULT_STRATEGY and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as + fast as Z_HUFFMAN_ONLY, but give better compression for PNG image data. The + strategy parameter only affects the compression ratio but not the + correctness of the compressed output even if it is not set appropriately. + Z_FIXED prevents the use of dynamic Huffman codes, allowing for a simpler + decoder for special applications. + + deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if any parameter is invalid (such as an invalid + method), or Z_VERSION_ERROR if the zlib library version (zlib_version) is + incompatible with the version assumed by the caller (ZLIB_VERSION). msg is + set to null if there is no error message. deflateInit2 does not perform any + compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, + const Bytef *dictionary, + uInt dictLength)); +/* + Initializes the compression dictionary from the given byte sequence + without producing any compressed output. When using the zlib format, this + function must be called immediately after deflateInit, deflateInit2 or + deflateReset, and before any call of deflate. When doing raw deflate, this + function must be called either before any call of deflate, or immediately + after the completion of a deflate block, i.e. after all input has been + consumed and all output has been delivered when using any of the flush + options Z_BLOCK, Z_PARTIAL_FLUSH, Z_SYNC_FLUSH, or Z_FULL_FLUSH. The + compressor and decompressor must use exactly the same dictionary (see + inflateSetDictionary). + + The dictionary should consist of strings (byte sequences) that are likely + to be encountered later in the data to be compressed, with the most commonly + used strings preferably put towards the end of the dictionary. Using a + dictionary is most useful when the data to be compressed is short and can be + predicted with good accuracy; the data can then be compressed better than + with the default empty dictionary. + + Depending on the size of the compression data structures selected by + deflateInit or deflateInit2, a part of the dictionary may in effect be + discarded, for example if the dictionary is larger than the window size + provided in deflateInit or deflateInit2. Thus the strings most likely to be + useful should be put at the end of the dictionary, not at the front. In + addition, the current implementation of deflate will use at most the window + size minus 262 bytes of the provided dictionary. + + Upon return of this function, strm->adler is set to the Adler-32 value + of the dictionary; the decompressor may later use this value to determine + which dictionary has been used by the compressor. (The Adler-32 value + applies to the whole dictionary even if only a subset of the dictionary is + actually used by the compressor.) If a raw deflate was requested, then the + Adler-32 value is not computed and strm->adler is not set. + + deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a + parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is + inconsistent (for example if deflate has already been called for this stream + or if not at a block boundary for raw deflate). deflateSetDictionary does + not perform any compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm, + Bytef *dictionary, + uInt *dictLength)); +/* + Returns the sliding dictionary being maintained by deflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If deflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similarly, if dictLength is Z_NULL, then it is not set. + + deflateGetDictionary() may return a length less than the window size, even + when more than the window size in input has been provided. It may return up + to 258 bytes less in that case, due to how zlib's implementation of deflate + manages the sliding window and lookahead for matches, where matches can be + up to 258 bytes long. If the application needs the last window-size bytes of + input, then that would need to be saved by the application outside of zlib. + + deflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + +ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, + z_streamp source)); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when several compression strategies will be + tried, for example when there are several ways of pre-processing the input + data with a filter. The streams that will be discarded should then be freed + by calling deflateEnd. Note that deflateCopy duplicates the internal + compression state which can be quite large, so this strategy is slow and can + consume lots of memory. + + deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being Z_NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); +/* + This function is equivalent to deflateEnd followed by deflateInit, but + does not free and reallocate the internal compression state. The stream + will leave the compression level and any other attributes that may have been + set unchanged. + + deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL). +*/ + +ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, + int level, + int strategy)); +/* + Dynamically update the compression level and compression strategy. The + interpretation of level and strategy is as in deflateInit2(). This can be + used to switch between compression and straight copy of the input data, or + to switch to a different kind of input data requiring a different strategy. + If the compression approach (which is a function of the level) or the + strategy is changed, and if there have been any deflate() calls since the + state was initialized or reset, then the input available so far is + compressed with the old level and strategy using deflate(strm, Z_BLOCK). + There are three approaches for the compression levels 0, 1..3, and 4..9 + respectively. The new level and strategy will take effect at the next call + of deflate(). + + If a deflate(strm, Z_BLOCK) is performed by deflateParams(), and it does + not have enough output space to complete, then the parameter change will not + take effect. In this case, deflateParams() can be called again with the + same parameters and more output space to try again. + + In order to assure a change in the parameters on the first try, the + deflate stream should be flushed using deflate() with Z_BLOCK or other flush + request until strm.avail_out is not zero, before calling deflateParams(). + Then no more input data should be provided before the deflateParams() call. + If this is done, the old level and strategy will be applied to the data + compressed before deflateParams(), and the new level and strategy will be + applied to the the data compressed after deflateParams(). + + deflateParams returns Z_OK on success, Z_STREAM_ERROR if the source stream + state was inconsistent or if a parameter was invalid, or Z_BUF_ERROR if + there was not enough output space to complete the compression of the + available input data before a change in the strategy or approach. Note that + in the case of a Z_BUF_ERROR, the parameters are not changed. A return + value of Z_BUF_ERROR is not fatal, in which case deflateParams() can be + retried with more output space. +*/ + +ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, + int good_length, + int max_lazy, + int nice_length, + int max_chain)); +/* + Fine tune deflate's internal compression parameters. This should only be + used by someone who understands the algorithm used by zlib's deflate for + searching for the best matching string, and even then only by the most + fanatic optimizer trying to squeeze out the last compressed bit for their + specific input data. Read the deflate.c source code for the meaning of the + max_lazy, good_length, nice_length, and max_chain parameters. + + deflateTune() can be called after deflateInit() or deflateInit2(), and + returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. + */ + +ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, + uLong sourceLen)); +/* + deflateBound() returns an upper bound on the compressed size after + deflation of sourceLen bytes. It must be called after deflateInit() or + deflateInit2(), and after deflateSetHeader(), if used. This would be used + to allocate an output buffer for deflation in a single pass, and so would be + called before deflate(). If that first deflate() call is provided the + sourceLen input bytes, an output buffer allocated to the size returned by + deflateBound(), and the flush value Z_FINISH, then deflate() is guaranteed + to return Z_STREAM_END. Note that it is possible for the compressed size to + be larger than the value returned by deflateBound() if flush options other + than Z_FINISH or Z_NO_FLUSH are used. +*/ + +ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm, + unsigned *pending, + int *bits)); +/* + deflatePending() returns the number of bytes and bits of output that have + been generated, but not yet provided in the available output. The bytes not + provided would be due to the available output space having being consumed. + The number of bits of output not provided are between 0 and 7, where they + await more bits to join them in order to fill out a full byte. If pending + or bits are Z_NULL, then those values are not set. + + deflatePending returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. + */ + +ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, + int bits, + int value)); +/* + deflatePrime() inserts bits in the deflate output stream. The intent + is that this function is used to start off the deflate output with the bits + leftover from a previous deflate stream when appending to it. As such, this + function can only be used for raw deflate, and must be used before the first + deflate() call after a deflateInit2() or deflateReset(). bits must be less + than or equal to 16, and that many of the least significant bits of value + will be inserted in the output. + + deflatePrime returns Z_OK if success, Z_BUF_ERROR if there was not enough + room in the internal buffer to insert the bits, or Z_STREAM_ERROR if the + source stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, + gz_headerp head)); +/* + deflateSetHeader() provides gzip header information for when a gzip + stream is requested by deflateInit2(). deflateSetHeader() may be called + after deflateInit2() or deflateReset() and before the first call of + deflate(). The text, time, os, extra field, name, and comment information + in the provided gz_header structure are written to the gzip header (xflag is + ignored -- the extra flags are set according to the compression level). The + caller must assure that, if not Z_NULL, name and comment are terminated with + a zero byte, and that if extra is not Z_NULL, that extra_len bytes are + available there. If hcrc is true, a gzip header crc is included. Note that + the current versions of the command-line version of gzip (up through version + 1.3.x) do not support header crc's, and will report that it is a "multi-part + gzip file" and give up. + + If deflateSetHeader is not used, the default gzip header has text false, + the time set to zero, and os set to 255, with no extra, name, or comment + fields. The gzip header is returned to the default state by deflateReset(). + + deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, + int windowBits)); + + This is another version of inflateInit with an extra parameter. The + fields next_in, avail_in, zalloc, zfree and opaque must be initialized + before by the caller. + + The windowBits parameter is the base two logarithm of the maximum window + size (the size of the history buffer). It should be in the range 8..15 for + this version of the library. The default value is 15 if inflateInit is used + instead. windowBits must be greater than or equal to the windowBits value + provided to deflateInit2() while compressing, or it must be equal to 15 if + deflateInit2() was not used. If a compressed stream with a larger window + size is given as input, inflate() will return with the error code + Z_DATA_ERROR instead of trying to allocate a larger window. + + windowBits can also be zero to request that inflate use the window size in + the zlib header of the compressed stream. + + windowBits can also be -8..-15 for raw inflate. In this case, -windowBits + determines the window size. inflate() will then process raw deflate data, + not looking for a zlib or gzip header, not generating a check value, and not + looking for any check values for comparison at the end of the stream. This + is for use with other formats that use the deflate compressed data format + such as zip. Those formats provide their own check values. If a custom + format is developed using the raw deflate format for compressed data, it is + recommended that a check value such as an Adler-32 or a CRC-32 be applied to + the uncompressed data as is done in the zlib, gzip, and zip formats. For + most applications, the zlib format should be used as is. Note that comments + above on the use in deflateInit2() applies to the magnitude of windowBits. + + windowBits can also be greater than 15 for optional gzip decoding. Add + 32 to windowBits to enable zlib and gzip decoding with automatic header + detection, or add 16 to decode only the gzip format (the zlib format will + return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a + CRC-32 instead of an Adler-32. Unlike the gunzip utility and gzread() (see + below), inflate() will *not* automatically decode concatenated gzip members. + inflate() will return Z_STREAM_END at the end of the gzip member. The state + would need to be reset to continue decoding a subsequent gzip member. This + *must* be done if there is more data after a gzip member, in order for the + decompression to be compliant with the gzip standard (RFC 1952). + + inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller, or Z_STREAM_ERROR if the parameters are + invalid, such as a null pointer to the structure. msg is set to null if + there is no error message. inflateInit2 does not perform any decompression + apart from possibly reading the zlib header if present: actual decompression + will be done by inflate(). (So next_in and avail_in may be modified, but + next_out and avail_out are unused and unchanged.) The current implementation + of inflateInit2() does not process any header information -- that is + deferred until inflate() is called. +*/ + +ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, + const Bytef *dictionary, + uInt dictLength)); +/* + Initializes the decompression dictionary from the given uncompressed byte + sequence. This function must be called immediately after a call of inflate, + if that call returned Z_NEED_DICT. The dictionary chosen by the compressor + can be determined from the Adler-32 value returned by that call of inflate. + The compressor and decompressor must use exactly the same dictionary (see + deflateSetDictionary). For raw inflate, this function can be called at any + time to set the dictionary. If the provided dictionary is smaller than the + window and there is already data in the window, then the provided dictionary + will amend what's there. The application must insure that the dictionary + that was used for compression is provided. + + inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a + parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is + inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the + expected one (incorrect Adler-32 value). inflateSetDictionary does not + perform any decompression: this will be done by subsequent calls of + inflate(). +*/ + +ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm, + Bytef *dictionary, + uInt *dictLength)); +/* + Returns the sliding dictionary being maintained by inflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If inflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similarly, if dictLength is Z_NULL, then it is not set. + + inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); +/* + Skips invalid compressed data until a possible full flush point (see above + for the description of deflate with Z_FULL_FLUSH) can be found, or until all + available input is skipped. No output is provided. + + inflateSync searches for a 00 00 FF FF pattern in the compressed data. + All full flush points have this pattern, but not all occurrences of this + pattern are full flush points. + + inflateSync returns Z_OK if a possible full flush point has been found, + Z_BUF_ERROR if no more input was provided, Z_DATA_ERROR if no flush point + has been found, or Z_STREAM_ERROR if the stream structure was inconsistent. + In the success case, the application may save the current current value of + total_in which indicates where valid compressed data was found. In the + error case, the application may repeatedly call inflateSync, providing more + input each time, until success or end of the input data. +*/ + +ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest, + z_streamp source)); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when randomly accessing a large stream. The + first pass through the stream can periodically record the inflate state, + allowing restarting inflate at those points when randomly accessing the + stream. + + inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being Z_NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); +/* + This function is equivalent to inflateEnd followed by inflateInit, + but does not free and reallocate the internal decompression state. The + stream will keep attributes that may have been set by inflateInit2. + + inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL). +*/ + +ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm, + int windowBits)); +/* + This function is the same as inflateReset, but it also permits changing + the wrap and window size requests. The windowBits parameter is interpreted + the same as it is for inflateInit2. If the window size is changed, then the + memory allocated for the window is freed, and the window will be reallocated + by inflate() if needed. + + inflateReset2 returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL), or if + the windowBits parameter is invalid. +*/ + +ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm, + int bits, + int value)); +/* + This function inserts bits in the inflate input stream. The intent is + that this function is used to start inflating at a bit position in the + middle of a byte. The provided bits will be used before any bytes are used + from next_in. This function should only be used with raw inflate, and + should be used before the first inflate() call after inflateInit2() or + inflateReset(). bits must be less than or equal to 16, and that many of the + least significant bits of value will be inserted in the input. + + If bits is negative, then the input stream bit buffer is emptied. Then + inflatePrime() can be called again to put bits in the buffer. This is used + to clear out bits leftover after feeding inflate a block description prior + to feeding inflate codes. + + inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm)); +/* + This function returns two values, one in the lower 16 bits of the return + value, and the other in the remaining upper bits, obtained by shifting the + return value down 16 bits. If the upper value is -1 and the lower value is + zero, then inflate() is currently decoding information outside of a block. + If the upper value is -1 and the lower value is non-zero, then inflate is in + the middle of a stored block, with the lower value equaling the number of + bytes from the input remaining to copy. If the upper value is not -1, then + it is the number of bits back from the current bit position in the input of + the code (literal or length/distance pair) currently being processed. In + that case the lower value is the number of bytes already emitted for that + code. + + A code is being processed if inflate is waiting for more input to complete + decoding of the code, or if it has completed decoding but is waiting for + more output space to write the literal or match data. + + inflateMark() is used to mark locations in the input data for random + access, which may be at bit positions, and to note those cases where the + output of a code may span boundaries of random access blocks. The current + location in the input stream can be determined from avail_in and data_type + as noted in the description for the Z_BLOCK flush parameter for inflate. + + inflateMark returns the value noted above, or -65536 if the provided + source stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm, + gz_headerp head)); +/* + inflateGetHeader() requests that gzip header information be stored in the + provided gz_header structure. inflateGetHeader() may be called after + inflateInit2() or inflateReset(), and before the first call of inflate(). + As inflate() processes the gzip stream, head->done is zero until the header + is completed, at which time head->done is set to one. If a zlib stream is + being decoded, then head->done is set to -1 to indicate that there will be + no gzip header information forthcoming. Note that Z_BLOCK or Z_TREES can be + used to force inflate() to return immediately after header processing is + complete and before any actual data is decompressed. + + The text, time, xflags, and os fields are filled in with the gzip header + contents. hcrc is set to true if there is a header CRC. (The header CRC + was valid if done is set to one.) If extra is not Z_NULL, then extra_max + contains the maximum number of bytes to write to extra. Once done is true, + extra_len contains the actual extra field length, and extra contains the + extra field, or that field truncated if extra_max is less than extra_len. + If name is not Z_NULL, then up to name_max characters are written there, + terminated with a zero unless the length is greater than name_max. If + comment is not Z_NULL, then up to comm_max characters are written there, + terminated with a zero unless the length is greater than comm_max. When any + of extra, name, or comment are not Z_NULL and the respective field is not + present in the header, then that field is set to Z_NULL to signal its + absence. This allows the use of deflateSetHeader() with the returned + structure to duplicate the header. However if those fields are set to + allocated memory, then the application will need to save those pointers + elsewhere so that they can be eventually freed. + + If inflateGetHeader is not used, then the header information is simply + discarded. The header is always checked for validity, including the header + CRC if present. inflateReset() will reset the process to discard the header + information. The application would need to call inflateGetHeader() again to + retrieve the header from the next gzip stream. + + inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, + unsigned char FAR *window)); + + Initialize the internal stream state for decompression using inflateBack() + calls. The fields zalloc, zfree and opaque in strm must be initialized + before the call. If zalloc and zfree are Z_NULL, then the default library- + derived memory allocation routines are used. windowBits is the base two + logarithm of the window size, in the range 8..15. window is a caller + supplied buffer of that size. Except for special applications where it is + assured that deflate was used with small window sizes, windowBits must be 15 + and a 32K byte window must be supplied to be able to decompress general + deflate streams. + + See inflateBack() for the usage of these routines. + + inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of + the parameters are invalid, Z_MEM_ERROR if the internal state could not be + allocated, or Z_VERSION_ERROR if the version of the library does not match + the version of the header file. +*/ + +typedef unsigned (*in_func) OF((void FAR *, + z_const unsigned char FAR * FAR *)); +typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); + +ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, + in_func in, void FAR *in_desc, + out_func out, void FAR *out_desc)); +/* + inflateBack() does a raw inflate with a single call using a call-back + interface for input and output. This is potentially more efficient than + inflate() for file i/o applications, in that it avoids copying between the + output and the sliding window by simply making the window itself the output + buffer. inflate() can be faster on modern CPUs when used with large + buffers. inflateBack() trusts the application to not change the output + buffer passed by the output function, at least until inflateBack() returns. + + inflateBackInit() must be called first to allocate the internal state + and to initialize the state with the user-provided window buffer. + inflateBack() may then be used multiple times to inflate a complete, raw + deflate stream with each call. inflateBackEnd() is then called to free the + allocated state. + + A raw deflate stream is one with no zlib or gzip header or trailer. + This routine would normally be used in a utility that reads zip or gzip + files and writes out uncompressed files. The utility would decode the + header and process the trailer on its own, hence this routine expects only + the raw deflate stream to decompress. This is different from the default + behavior of inflate(), which expects a zlib header and trailer around the + deflate stream. + + inflateBack() uses two subroutines supplied by the caller that are then + called by inflateBack() for input and output. inflateBack() calls those + routines until it reads a complete deflate stream and writes out all of the + uncompressed data, or until it encounters an error. The function's + parameters and return types are defined above in the in_func and out_func + typedefs. inflateBack() will call in(in_desc, &buf) which should return the + number of bytes of provided input, and a pointer to that input in buf. If + there is no input available, in() must return zero -- buf is ignored in that + case -- and inflateBack() will return a buffer error. inflateBack() will + call out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. + out() should return zero on success, or non-zero on failure. If out() + returns non-zero, inflateBack() will return with an error. Neither in() nor + out() are permitted to change the contents of the window provided to + inflateBackInit(), which is also the buffer that out() uses to write from. + The length written by out() will be at most the window size. Any non-zero + amount of input may be provided by in(). + + For convenience, inflateBack() can be provided input on the first call by + setting strm->next_in and strm->avail_in. If that input is exhausted, then + in() will be called. Therefore strm->next_in must be initialized before + calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called + immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in + must also be initialized, and then if strm->avail_in is not zero, input will + initially be taken from strm->next_in[0 .. strm->avail_in - 1]. + + The in_desc and out_desc parameters of inflateBack() is passed as the + first parameter of in() and out() respectively when they are called. These + descriptors can be optionally used to pass any information that the caller- + supplied in() and out() functions need to do their job. + + On return, inflateBack() will set strm->next_in and strm->avail_in to + pass back any unused input that was provided by the last in() call. The + return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR + if in() or out() returned an error, Z_DATA_ERROR if there was a format error + in the deflate stream (in which case strm->msg is set to indicate the nature + of the error), or Z_STREAM_ERROR if the stream was not properly initialized. + In the case of Z_BUF_ERROR, an input or output error can be distinguished + using strm->next_in which will be Z_NULL only if in() returned an error. If + strm->next_in is not Z_NULL, then the Z_BUF_ERROR was due to out() returning + non-zero. (in() will always be called before out(), so strm->next_in is + assured to be defined if out() returns non-zero.) Note that inflateBack() + cannot return Z_OK. +*/ + +ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm)); +/* + All memory allocated by inflateBackInit() is freed. + + inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream + state was inconsistent. +*/ + +ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void)); +/* Return flags indicating compile-time options. + + Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other: + 1.0: size of uInt + 3.2: size of uLong + 5.4: size of voidpf (pointer) + 7.6: size of z_off_t + + Compiler, assembler, and debug options: + 8: ZLIB_DEBUG + 9: ASMV or ASMINF -- use ASM code + 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention + 11: 0 (reserved) + + One-time table building (smaller code, but not thread-safe if true): + 12: BUILDFIXED -- build static block decoding tables when needed + 13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed + 14,15: 0 (reserved) + + Library content (indicates missing functionality): + 16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking + deflate code when not needed) + 17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect + and decode gzip streams (to avoid linking crc code) + 18-19: 0 (reserved) + + Operation variations (changes in library functionality): + 20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate + 21: FASTEST -- deflate algorithm with only one, lowest compression level + 22,23: 0 (reserved) + + The sprintf variant used by gzprintf (zero is best): + 24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format + 25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure! + 26: 0 = returns value, 1 = void -- 1 means inferred string length returned + + Remainder: + 27-31: 0 (reserved) + */ + +#ifndef Z_SOLO + + /* utility functions */ + +/* + The following utility functions are implemented on top of the basic + stream-oriented functions. To simplify the interface, some default options + are assumed (compression level and memory usage, standard memory allocation + functions). The source code of these utility functions can be modified if + you need special options. +*/ + +ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen)); +/* + Compresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total size + of the destination buffer, which must be at least the value returned by + compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed data. compress() is equivalent to compress2() with a level + parameter of Z_DEFAULT_COMPRESSION. + + compress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer. +*/ + +ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen, + int level)); +/* + Compresses the source buffer into the destination buffer. The level + parameter has the same meaning as in deflateInit. sourceLen is the byte + length of the source buffer. Upon entry, destLen is the total size of the + destination buffer, which must be at least the value returned by + compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed data. + + compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, + Z_STREAM_ERROR if the level parameter is invalid. +*/ + +ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen)); +/* + compressBound() returns an upper bound on the compressed size after + compress() or compress2() on sourceLen bytes. It would be used before a + compress() or compress2() call to allocate the destination buffer. +*/ + +ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen)); +/* + Decompresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total size + of the destination buffer, which must be large enough to hold the entire + uncompressed data. (The size of the uncompressed data must have been saved + previously by the compressor and transmitted to the decompressor by some + mechanism outside the scope of this compression library.) Upon exit, destLen + is the actual size of the uncompressed data. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. In + the case where there is not enough room, uncompress() will fill the output + buffer with the uncompressed data up to that point. +*/ + +ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong *sourceLen)); +/* + Same as uncompress, except that sourceLen is a pointer, where the + length of the source is *sourceLen. On return, *sourceLen is the number of + source bytes consumed. +*/ + + /* gzip file access functions */ + +/* + This library supports reading and writing files in gzip (.gz) format with + an interface similar to that of stdio, using the functions that start with + "gz". The gzip format is different from the zlib format. gzip is a gzip + wrapper, documented in RFC 1952, wrapped around a deflate stream. +*/ + +typedef struct gzFile_s *gzFile; /* semi-opaque gzip file descriptor */ + +/* +ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); + + Open the gzip (.gz) file at path for reading and decompressing, or + compressing and writing. The mode parameter is as in fopen ("rb" or "wb") + but can also include a compression level ("wb9") or a strategy: 'f' for + filtered data as in "wb6f", 'h' for Huffman-only compression as in "wb1h", + 'R' for run-length encoding as in "wb1R", or 'F' for fixed code compression + as in "wb9F". (See the description of deflateInit2 for more information + about the strategy parameter.) 'T' will request transparent writing or + appending with no compression and not using the gzip format. + + "a" can be used instead of "w" to request that the gzip stream that will + be written be appended to the file. "+" will result in an error, since + reading and writing to the same gzip file is not supported. The addition of + "x" when writing will create the file exclusively, which fails if the file + already exists. On systems that support it, the addition of "e" when + reading or writing will set the flag to close the file on an execve() call. + + These functions, as well as gzip, will read and decode a sequence of gzip + streams in a file. The append function of gzopen() can be used to create + such a file. (Also see gzflush() for another way to do this.) When + appending, gzopen does not test whether the file begins with a gzip stream, + nor does it look for the end of the gzip streams to begin appending. gzopen + will simply append a gzip stream to the existing file. + + gzopen can be used to read a file which is not in gzip format; in this + case gzread will directly read from the file without decompression. When + reading, this will be detected automatically by looking for the magic two- + byte gzip header. + + gzopen returns NULL if the file could not be opened, if there was + insufficient memory to allocate the gzFile state, or if an invalid mode was + specified (an 'r', 'w', or 'a' was not provided, or '+' was provided). + errno can be checked to determine if the reason gzopen failed was that the + file could not be opened. +*/ + +ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); +/* + Associate a gzFile with the file descriptor fd. File descriptors are + obtained from calls like open, dup, creat, pipe or fileno (if the file has + been previously opened with fopen). The mode parameter is as in gzopen. + + The next call of gzclose on the returned gzFile will also close the file + descriptor fd, just like fclose(fdopen(fd, mode)) closes the file descriptor + fd. If you want to keep fd open, use fd = dup(fd_keep); gz = gzdopen(fd, + mode);. The duplicated descriptor should be saved to avoid a leak, since + gzdopen does not close fd if it fails. If you are using fileno() to get the + file descriptor from a FILE *, then you will have to use dup() to avoid + double-close()ing the file descriptor. Both gzclose() and fclose() will + close the associated file descriptor, so they need to have different file + descriptors. + + gzdopen returns NULL if there was insufficient memory to allocate the + gzFile state, if an invalid mode was specified (an 'r', 'w', or 'a' was not + provided, or '+' was provided), or if fd is -1. The file descriptor is not + used until the next gz* read, write, seek, or close operation, so gzdopen + will not detect if fd is invalid (unless fd is -1). +*/ + +ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size)); +/* + Set the internal buffer size used by this library's functions for file to + size. The default buffer size is 8192 bytes. This function must be called + after gzopen() or gzdopen(), and before any other calls that read or write + the file. The buffer memory allocation is always deferred to the first read + or write. Three times that size in buffer space is allocated. A larger + buffer size of, for example, 64K or 128K bytes will noticeably increase the + speed of decompression (reading). + + The new buffer size also affects the maximum length for gzprintf(). + + gzbuffer() returns 0 on success, or -1 on failure, such as being called + too late. +*/ + +ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); +/* + Dynamically update the compression level and strategy for file. See the + description of deflateInit2 for the meaning of these parameters. Previously + provided data is flushed before applying the parameter changes. + + gzsetparams returns Z_OK if success, Z_STREAM_ERROR if the file was not + opened for writing, Z_ERRNO if there is an error writing the flushed data, + or Z_MEM_ERROR if there is a memory allocation error. +*/ + +ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); +/* + Read and decompress up to len uncompressed bytes from file into buf. If + the input file is not in gzip format, gzread copies the given number of + bytes into the buffer directly from the file. + + After reaching the end of a gzip stream in the input, gzread will continue + to read, looking for another gzip stream. Any number of gzip streams may be + concatenated in the input file, and will all be decompressed by gzread(). + If something other than a gzip stream is encountered after a gzip stream, + that remaining trailing garbage is ignored (and no error is returned). + + gzread can be used to read a gzip file that is being concurrently written. + Upon reaching the end of the input, gzread will return with the available + data. If the error code returned by gzerror is Z_OK or Z_BUF_ERROR, then + gzclearerr can be used to clear the end of file indicator in order to permit + gzread to be tried again. Z_OK indicates that a gzip stream was completed + on the last gzread. Z_BUF_ERROR indicates that the input file ended in the + middle of a gzip stream. Note that gzread does not return -1 in the event + of an incomplete gzip stream. This error is deferred until gzclose(), which + will return Z_BUF_ERROR if the last gzread ended in the middle of a gzip + stream. Alternatively, gzerror can be used before gzclose to detect this + case. + + gzread returns the number of uncompressed bytes actually read, less than + len for end of file, or -1 for error. If len is too large to fit in an int, + then nothing is read, -1 is returned, and the error state is set to + Z_STREAM_ERROR. +*/ + +ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems, + gzFile file)); +/* + Read and decompress up to nitems items of size size from file into buf, + otherwise operating as gzread() does. This duplicates the interface of + stdio's fread(), with size_t request and return types. If the library + defines size_t, then z_size_t is identical to size_t. If not, then z_size_t + is an unsigned integer type that can contain a pointer. + + gzfread() returns the number of full items read of size size, or zero if + the end of the file was reached and a full item could not be read, or if + there was an error. gzerror() must be consulted if zero is returned in + order to determine if there was an error. If the multiplication of size and + nitems overflows, i.e. the product does not fit in a z_size_t, then nothing + is read, zero is returned, and the error state is set to Z_STREAM_ERROR. + + In the event that the end of file is reached and only a partial item is + available at the end, i.e. the remaining uncompressed data length is not a + multiple of size, then the final partial item is nevertheless read into buf + and the end-of-file flag is set. The length of the partial item read is not + provided, but could be inferred from the result of gztell(). This behavior + is the same as the behavior of fread() implementations in common libraries, + but it prevents the direct use of gzfread() to read a concurrently written + file, resetting and retrying on end-of-file, when size is not 1. +*/ + +ZEXTERN int ZEXPORT gzwrite OF((gzFile file, voidpc buf, unsigned len)); +/* + Compress and write the len uncompressed bytes at buf to file. gzwrite + returns the number of uncompressed bytes written or 0 in case of error. +*/ + +ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size, + z_size_t nitems, gzFile file)); +/* + Compress and write nitems items of size size from buf to file, duplicating + the interface of stdio's fwrite(), with size_t request and return types. If + the library defines size_t, then z_size_t is identical to size_t. If not, + then z_size_t is an unsigned integer type that can contain a pointer. + + gzfwrite() returns the number of full items written of size size, or zero + if there was an error. If the multiplication of size and nitems overflows, + i.e. the product does not fit in a z_size_t, then nothing is written, zero + is returned, and the error state is set to Z_STREAM_ERROR. +*/ + +ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...)); +/* + Convert, format, compress, and write the arguments (...) to file under + control of the string format, as in fprintf. gzprintf returns the number of + uncompressed bytes actually written, or a negative zlib error code in case + of error. The number of uncompressed bytes written is limited to 8191, or + one less than the buffer size given to gzbuffer(). The caller should assure + that this limit is not exceeded. If it is exceeded, then gzprintf() will + return an error (0) with nothing written. In this case, there may also be a + buffer overflow with unpredictable consequences, which is possible only if + zlib was compiled with the insecure functions sprintf() or vsprintf(), + because the secure snprintf() or vsnprintf() functions were not available. + This can be determined using zlibCompileFlags(). +*/ + +ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); +/* + Compress and write the given null-terminated string s to file, excluding + the terminating null character. + + gzputs returns the number of characters written, or -1 in case of error. +*/ + +ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); +/* + Read and decompress bytes from file into buf, until len-1 characters are + read, or until a newline character is read and transferred to buf, or an + end-of-file condition is encountered. If any characters are read or if len + is one, the string is terminated with a null character. If no characters + are read due to an end-of-file or len is less than one, then the buffer is + left untouched. + + gzgets returns buf which is a null-terminated string, or it returns NULL + for end-of-file or in case of error. If there was an error, the contents at + buf are indeterminate. +*/ + +ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); +/* + Compress and write c, converted to an unsigned char, into file. gzputc + returns the value that was written, or -1 in case of error. +*/ + +ZEXTERN int ZEXPORT gzgetc OF((gzFile file)); +/* + Read and decompress one byte from file. gzgetc returns this byte or -1 + in case of end of file or error. This is implemented as a macro for speed. + As such, it does not do all of the checking the other functions do. I.e. + it does not check to see if file is NULL, nor whether the structure file + points to has been clobbered or not. +*/ + +ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file)); +/* + Push c back onto the stream for file to be read as the first character on + the next read. At least one character of push-back is always allowed. + gzungetc() returns the character pushed, or -1 on failure. gzungetc() will + fail if c is -1, and may fail if a character has been pushed but not read + yet. If gzungetc is used immediately after gzopen or gzdopen, at least the + output buffer size of pushed characters is allowed. (See gzbuffer above.) + The pushed character will be discarded if the stream is repositioned with + gzseek() or gzrewind(). +*/ + +ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush)); +/* + Flush all pending output to file. The parameter flush is as in the + deflate() function. The return value is the zlib error number (see function + gzerror below). gzflush is only permitted when writing. + + If the flush parameter is Z_FINISH, the remaining data is written and the + gzip stream is completed in the output. If gzwrite() is called again, a new + gzip stream will be started in the output. gzread() is able to read such + concatenated gzip streams. + + gzflush should be called only when strictly necessary because it will + degrade compression if called too often. +*/ + +/* +ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, + z_off_t offset, int whence)); + + Set the starting position to offset relative to whence for the next gzread + or gzwrite on file. The offset represents a number of bytes in the + uncompressed data stream. The whence parameter is defined as in lseek(2); + the value SEEK_END is not supported. + + If the file is opened for reading, this function is emulated but can be + extremely slow. If the file is opened for writing, only forward seeks are + supported; gzseek then compresses a sequence of zeroes up to the new + starting position. + + gzseek returns the resulting offset location as measured in bytes from + the beginning of the uncompressed stream, or -1 in case of error, in + particular if the file is opened for writing and the new starting position + would be before the current position. +*/ + +ZEXTERN int ZEXPORT gzrewind OF((gzFile file)); +/* + Rewind file. This function is supported only for reading. + + gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET). +*/ + +/* +ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file)); + + Return the starting position for the next gzread or gzwrite on file. + This position represents a number of bytes in the uncompressed data stream, + and is zero when starting, even if appending or reading a gzip stream from + the middle of a file using gzdopen(). + + gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) +*/ + +/* +ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file)); + + Return the current compressed (actual) read or write offset of file. This + offset includes the count of bytes that precede the gzip stream, for example + when appending or when using gzdopen() for reading. When reading, the + offset does not include as yet unused buffered input. This information can + be used for a progress indicator. On error, gzoffset() returns -1. +*/ + +ZEXTERN int ZEXPORT gzeof OF((gzFile file)); +/* + Return true (1) if the end-of-file indicator for file has been set while + reading, false (0) otherwise. Note that the end-of-file indicator is set + only if the read tried to go past the end of the input, but came up short. + Therefore, just like feof(), gzeof() may return false even if there is no + more data to read, in the event that the last read request was for the exact + number of bytes remaining in the input file. This will happen if the input + file size is an exact multiple of the buffer size. + + If gzeof() returns true, then the read functions will return no more data, + unless the end-of-file indicator is reset by gzclearerr() and the input file + has grown since the previous end of file was detected. +*/ + +ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); +/* + Return true (1) if file is being copied directly while reading, or false + (0) if file is a gzip stream being decompressed. + + If the input file is empty, gzdirect() will return true, since the input + does not contain a gzip stream. + + If gzdirect() is used immediately after gzopen() or gzdopen() it will + cause buffers to be allocated to allow reading the file to determine if it + is a gzip file. Therefore if gzbuffer() is used, it should be called before + gzdirect(). + + When writing, gzdirect() returns true (1) if transparent writing was + requested ("wT" for the gzopen() mode), or false (0) otherwise. (Note: + gzdirect() is not needed when writing. Transparent writing must be + explicitly requested, so the application already knows the answer. When + linking statically, using gzdirect() will include all of the zlib code for + gzip file reading and decompression, which may not be desired.) +*/ + +ZEXTERN int ZEXPORT gzclose OF((gzFile file)); +/* + Flush all pending output for file, if necessary, close file and + deallocate the (de)compression state. Note that once file is closed, you + cannot call gzerror with file, since its structures have been deallocated. + gzclose must not be called more than once on the same file, just as free + must not be called more than once on the same allocation. + + gzclose will return Z_STREAM_ERROR if file is not valid, Z_ERRNO on a + file operation error, Z_MEM_ERROR if out of memory, Z_BUF_ERROR if the + last read ended in the middle of a gzip stream, or Z_OK on success. +*/ + +ZEXTERN int ZEXPORT gzclose_r OF((gzFile file)); +ZEXTERN int ZEXPORT gzclose_w OF((gzFile file)); +/* + Same as gzclose(), but gzclose_r() is only for use when reading, and + gzclose_w() is only for use when writing or appending. The advantage to + using these instead of gzclose() is that they avoid linking in zlib + compression or decompression code that is not used when only reading or only + writing respectively. If gzclose() is used, then both compression and + decompression code will be included the application when linking to a static + zlib library. +*/ + +ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); +/* + Return the error message for the last error which occurred on file. + errnum is set to zlib error number. If an error occurred in the file system + and not in the compression library, errnum is set to Z_ERRNO and the + application may consult errno to get the exact error code. + + The application must not modify the returned string. Future calls to + this function may invalidate the previously returned string. If file is + closed, then the string previously returned by gzerror will no longer be + available. + + gzerror() should be used to distinguish errors from end-of-file for those + functions above that do not distinguish those cases in their return values. +*/ + +ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); +/* + Clear the error and end-of-file flags for file. This is analogous to the + clearerr() function in stdio. This is useful for continuing to read a gzip + file that is being written concurrently. +*/ + +#endif /* !Z_SOLO */ + + /* checksum functions */ + +/* + These functions are not related to compression but are exported + anyway because they might be useful in applications using the compression + library. +*/ + +ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); +/* + Update a running Adler-32 checksum with the bytes buf[0..len-1] and + return the updated checksum. An Adler-32 value is in the range of a 32-bit + unsigned integer. If buf is Z_NULL, this function returns the required + initial value for the checksum. + + An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed + much faster. + + Usage example: + + uLong adler = adler32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + adler = adler32(adler, buffer, length); + } + if (adler != original_adler) error(); +*/ + +ZEXTERN uLong ZEXPORT adler32_z OF((uLong adler, const Bytef *buf, + z_size_t len)); +/* + Same as adler32(), but with a size_t length. +*/ + +/* +ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, + z_off_t len2)); + + Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 + and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for + each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of + seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. Note + that the z_off_t type (like off_t) is a signed integer. If len2 is + negative, the result has no meaning or utility. +*/ + +ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); +/* + Update a running CRC-32 with the bytes buf[0..len-1] and return the + updated CRC-32. A CRC-32 value is in the range of a 32-bit unsigned integer. + If buf is Z_NULL, this function returns the required initial value for the + crc. Pre- and post-conditioning (one's complement) is performed within this + function so it shouldn't be done by the application. + + Usage example: + + uLong crc = crc32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + crc = crc32(crc, buffer, length); + } + if (crc != original_crc) error(); +*/ + +ZEXTERN uLong ZEXPORT crc32_z OF((uLong crc, const Bytef *buf, + z_size_t len)); +/* + Same as crc32(), but with a size_t length. +*/ + +/* +ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); + + Combine two CRC-32 check values into one. For two sequences of bytes, + seq1 and seq2 with lengths len1 and len2, CRC-32 check values were + calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32 + check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and + len2. +*/ + +/* +ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t len2)); + + Return the operator corresponding to length len2, to be used with + crc32_combine_op(). +*/ + +ZEXTERN uLong ZEXPORT crc32_combine_op OF((uLong crc1, uLong crc2, uLong op)); +/* + Give the same result as crc32_combine(), using op in place of len2. op is + is generated from len2 by crc32_combine_gen(). This will be faster than + crc32_combine() if the generated op is used more than once. +*/ + + + /* various hacks, don't look :) */ + +/* deflateInit and inflateInit are macros to allow checking the zlib version + * and the compiler's view of z_stream: + */ +ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, + int windowBits, int memLevel, + int strategy, const char *version, + int stream_size)); +ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, + unsigned char FAR *window, + const char *version, + int stream_size)); +#ifdef Z_PREFIX_SET +# define z_deflateInit(strm, level) \ + deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_inflateInit(strm) \ + inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ + deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ + (strategy), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_inflateInit2(strm, windowBits) \ + inflateInit2_((strm), (windowBits), ZLIB_VERSION, \ + (int)sizeof(z_stream)) +# define z_inflateBackInit(strm, windowBits, window) \ + inflateBackInit_((strm), (windowBits), (window), \ + ZLIB_VERSION, (int)sizeof(z_stream)) +#else +# define deflateInit(strm, level) \ + deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) +# define inflateInit(strm) \ + inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream)) +# define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ + deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ + (strategy), ZLIB_VERSION, (int)sizeof(z_stream)) +# define inflateInit2(strm, windowBits) \ + inflateInit2_((strm), (windowBits), ZLIB_VERSION, \ + (int)sizeof(z_stream)) +# define inflateBackInit(strm, windowBits, window) \ + inflateBackInit_((strm), (windowBits), (window), \ + ZLIB_VERSION, (int)sizeof(z_stream)) +#endif + +#ifndef Z_SOLO + +/* gzgetc() macro and its supporting function and exposed data structure. Note + * that the real internal state is much larger than the exposed structure. + * This abbreviated structure exposes just enough for the gzgetc() macro. The + * user should not mess with these exposed elements, since their names or + * behavior could change in the future, perhaps even capriciously. They can + * only be used by the gzgetc() macro. You have been warned. + */ +struct gzFile_s { + unsigned have; + unsigned char *next; + z_off64_t pos; +}; +ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +# define z_gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +#else +# define gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +#endif + +/* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or + * change the regular functions to 64 bits if _FILE_OFFSET_BITS is 64 (if + * both are true, the application gets the *64 functions, and the regular + * functions are changed to 64 bits) -- in case these are set on systems + * without large file support, _LFS64_LARGEFILE must also be true + */ +#ifdef Z_LARGE64 + ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); + ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); + ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); + ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); + ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off64_t)); + ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off64_t)); + ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off64_t)); +#endif + +#if !defined(ZLIB_INTERNAL) && defined(Z_WANT64) +# ifdef Z_PREFIX_SET +# define z_gzopen z_gzopen64 +# define z_gzseek z_gzseek64 +# define z_gztell z_gztell64 +# define z_gzoffset z_gzoffset64 +# define z_adler32_combine z_adler32_combine64 +# define z_crc32_combine z_crc32_combine64 +# define z_crc32_combine_gen z_crc32_combine_gen64 +# else +# define gzopen gzopen64 +# define gzseek gzseek64 +# define gztell gztell64 +# define gzoffset gzoffset64 +# define adler32_combine adler32_combine64 +# define crc32_combine crc32_combine64 +# define crc32_combine_gen crc32_combine_gen64 +# endif +# ifndef Z_LARGE64 + ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); + ZEXTERN z_off_t ZEXPORT gzseek64 OF((gzFile, z_off_t, int)); + ZEXTERN z_off_t ZEXPORT gztell64 OF((gzFile)); + ZEXTERN z_off_t ZEXPORT gzoffset64 OF((gzFile)); + ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t)); +# endif +#else + ZEXTERN gzFile ZEXPORT gzopen OF((const char *, const char *)); + ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile, z_off_t, int)); + ZEXTERN z_off_t ZEXPORT gztell OF((gzFile)); + ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile)); + ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t)); +#endif + +#else /* Z_SOLO */ + + ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t)); + +#endif /* !Z_SOLO */ + +/* undocumented functions */ +ZEXTERN const char * ZEXPORT zError OF((int)); +ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp)); +ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF((void)); +ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int)); +ZEXTERN int ZEXPORT inflateValidate OF((z_streamp, int)); +ZEXTERN unsigned long ZEXPORT inflateCodesUsed OF((z_streamp)); +ZEXTERN int ZEXPORT inflateResetKeep OF((z_streamp)); +ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp)); +#if defined(_WIN32) && !defined(Z_SOLO) +ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path, + const char *mode)); +#endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +ZEXTERN int ZEXPORTVA gzvprintf Z_ARG((gzFile file, + const char *format, + va_list va)); +# endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* ZLIB_H */ diff --git a/zlib.map b/zlib.map new file mode 100644 index 0000000..31544f2 --- /dev/null +++ b/zlib.map @@ -0,0 +1,100 @@ +ZLIB_1.2.0 { + global: + compressBound; + deflateBound; + inflateBack; + inflateBackEnd; + inflateBackInit_; + inflateCopy; + local: + deflate_copyright; + inflate_copyright; + inflate_fast; + inflate_table; + zcalloc; + zcfree; + z_errmsg; + gz_error; + gz_intmax; + _*; +}; + +ZLIB_1.2.0.2 { + gzclearerr; + gzungetc; + zlibCompileFlags; +} ZLIB_1.2.0; + +ZLIB_1.2.0.8 { + deflatePrime; +} ZLIB_1.2.0.2; + +ZLIB_1.2.2 { + adler32_combine; + crc32_combine; + deflateSetHeader; + inflateGetHeader; +} ZLIB_1.2.0.8; + +ZLIB_1.2.2.3 { + deflateTune; + gzdirect; +} ZLIB_1.2.2; + +ZLIB_1.2.2.4 { + inflatePrime; +} ZLIB_1.2.2.3; + +ZLIB_1.2.3.3 { + adler32_combine64; + crc32_combine64; + gzopen64; + gzseek64; + gztell64; + inflateUndermine; +} ZLIB_1.2.2.4; + +ZLIB_1.2.3.4 { + inflateReset2; + inflateMark; +} ZLIB_1.2.3.3; + +ZLIB_1.2.3.5 { + gzbuffer; + gzoffset; + gzoffset64; + gzclose_r; + gzclose_w; +} ZLIB_1.2.3.4; + +ZLIB_1.2.5.1 { + deflatePending; +} ZLIB_1.2.3.5; + +ZLIB_1.2.5.2 { + deflateResetKeep; + gzgetc_; + inflateResetKeep; +} ZLIB_1.2.5.1; + +ZLIB_1.2.7.1 { + inflateGetDictionary; + gzvprintf; +} ZLIB_1.2.5.2; + +ZLIB_1.2.9 { + inflateCodesUsed; + inflateValidate; + uncompress2; + gzfread; + gzfwrite; + deflateGetDictionary; + adler32_z; + crc32_z; +} ZLIB_1.2.7.1; + +ZLIB_1.2.12 { + crc32_combine_gen; + crc32_combine_gen64; + crc32_combine_op; +} ZLIB_1.2.9; diff --git a/zlib.pc.cmakein b/zlib.pc.cmakein new file mode 100644 index 0000000..a5e6429 --- /dev/null +++ b/zlib.pc.cmakein @@ -0,0 +1,13 @@ +prefix=@CMAKE_INSTALL_PREFIX@ +exec_prefix=@CMAKE_INSTALL_PREFIX@ +libdir=@INSTALL_LIB_DIR@ +sharedlibdir=@INSTALL_LIB_DIR@ +includedir=@INSTALL_INC_DIR@ + +Name: zlib +Description: zlib compression library +Version: @VERSION@ + +Requires: +Libs: -L${libdir} -L${sharedlibdir} -lz +Cflags: -I${includedir} diff --git a/zlib.pc.in b/zlib.pc.in new file mode 100644 index 0000000..7e5acf9 --- /dev/null +++ b/zlib.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +sharedlibdir=@sharedlibdir@ +includedir=@includedir@ + +Name: zlib +Description: zlib compression library +Version: @VERSION@ + +Requires: +Libs: -L${libdir} -L${sharedlibdir} -lz +Cflags: -I${includedir} diff --git a/zlib2ansi b/zlib2ansi new file mode 100644 index 0000000..23b2a1d --- /dev/null +++ b/zlib2ansi @@ -0,0 +1,152 @@ +#!/usr/bin/perl + +# Transform K&R C function definitions into ANSI equivalent. +# +# Author: Paul Marquess +# Version: 1.0 +# Date: 3 October 2006 + +# TODO +# +# Assumes no function pointer parameters. unless they are typedefed. +# Assumes no literal strings that look like function definitions +# Assumes functions start at the beginning of a line + +use strict; +use warnings; + +local $/; +$_ = <>; + +my $sp = qr{ \s* (?: /\* .*? \*/ )? \s* }x; # assume no nested comments + +my $d1 = qr{ $sp (?: [\w\*\s]+ $sp)* $sp \w+ $sp [\[\]\s]* $sp }x ; +my $decl = qr{ $sp (?: \w+ $sp )+ $d1 }xo ; +my $dList = qr{ $sp $decl (?: $sp , $d1 )* $sp ; $sp }xo ; + + +while (s/^ + ( # Start $1 + ( # Start $2 + .*? # Minimal eat content + ( ^ \w [\w\s\*]+ ) # $3 -- function name + \s* # optional whitespace + ) # $2 - Matched up to before parameter list + + \( \s* # Literal "(" + optional whitespace + ( [^\)]+ ) # $4 - one or more anythings except ")" + \s* \) # optional whitespace surrounding a Literal ")" + + ( (?: $dList )+ ) # $5 + + $sp ^ { # literal "{" at start of line + ) # Remember to $1 + //xsom + ) +{ + my $all = $1 ; + my $prefix = $2; + my $param_list = $4 ; + my $params = $5; + + StripComments($params); + StripComments($param_list); + $param_list =~ s/^\s+//; + $param_list =~ s/\s+$//; + + my $i = 0 ; + my %pList = map { $_ => $i++ } + split /\s*,\s*/, $param_list; + my $pMatch = '(\b' . join('|', keys %pList) . '\b)\W*$' ; + + my @params = split /\s*;\s*/, $params; + my @outParams = (); + foreach my $p (@params) + { + if ($p =~ /,/) + { + my @bits = split /\s*,\s*/, $p; + my $first = shift @bits; + $first =~ s/^\s*//; + push @outParams, $first; + $first =~ /^(\w+\s*)/; + my $type = $1 ; + push @outParams, map { $type . $_ } @bits; + } + else + { + $p =~ s/^\s+//; + push @outParams, $p; + } + } + + + my %tmp = map { /$pMatch/; $_ => $pList{$1} } + @outParams ; + + @outParams = map { " $_" } + sort { $tmp{$a} <=> $tmp{$b} } + @outParams ; + + print $prefix ; + print "(\n" . join(",\n", @outParams) . ")\n"; + print "{" ; + +} + +# Output any trailing code. +print ; +exit 0; + + +sub StripComments +{ + + no warnings; + + # Strip C & C++ comments + # From the perlfaq + $_[0] =~ + + s{ + /\* ## Start of /* ... */ comment + [^*]*\*+ ## Non-* followed by 1-or-more *'s + ( + [^/*][^*]*\*+ + )* ## 0-or-more things which don't start with / + ## but do end with '*' + / ## End of /* ... */ comment + + | ## OR C++ Comment + // ## Start of C++ comment // + [^\n]* ## followed by 0-or-more non end of line characters + + | ## OR various things which aren't comments: + + ( + " ## Start of " ... " string + ( + \\. ## Escaped char + | ## OR + [^"\\] ## Non "\ + )* + " ## End of " ... " string + + | ## OR + + ' ## Start of ' ... ' string + ( + \\. ## Escaped char + | ## OR + [^'\\] ## Non '\ + )* + ' ## End of ' ... ' string + + | ## OR + + . ## Anything other char + [^/"'\\]* ## Chars which doesn't start a comment, string or escape + ) + }{$2}gxs; + +} diff --git a/zutil.c b/zutil.c new file mode 100644 index 0000000..9543ae8 --- /dev/null +++ b/zutil.c @@ -0,0 +1,327 @@ +/* zutil.c -- target dependent utility functions for the compression library + * Copyright (C) 1995-2017 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zutil.h" +#ifndef Z_SOLO +# include "gzguts.h" +#endif + +z_const char * const z_errmsg[10] = { + (z_const char *)"need dictionary", /* Z_NEED_DICT 2 */ + (z_const char *)"stream end", /* Z_STREAM_END 1 */ + (z_const char *)"", /* Z_OK 0 */ + (z_const char *)"file error", /* Z_ERRNO (-1) */ + (z_const char *)"stream error", /* Z_STREAM_ERROR (-2) */ + (z_const char *)"data error", /* Z_DATA_ERROR (-3) */ + (z_const char *)"insufficient memory", /* Z_MEM_ERROR (-4) */ + (z_const char *)"buffer error", /* Z_BUF_ERROR (-5) */ + (z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */ + (z_const char *)"" +}; + + +const char * ZEXPORT zlibVersion() +{ + return ZLIB_VERSION; +} + +uLong ZEXPORT zlibCompileFlags() +{ + uLong flags; + + flags = 0; + switch ((int)(sizeof(uInt))) { + case 2: break; + case 4: flags += 1; break; + case 8: flags += 2; break; + default: flags += 3; + } + switch ((int)(sizeof(uLong))) { + case 2: break; + case 4: flags += 1 << 2; break; + case 8: flags += 2 << 2; break; + default: flags += 3 << 2; + } + switch ((int)(sizeof(voidpf))) { + case 2: break; + case 4: flags += 1 << 4; break; + case 8: flags += 2 << 4; break; + default: flags += 3 << 4; + } + switch ((int)(sizeof(z_off_t))) { + case 2: break; + case 4: flags += 1 << 6; break; + case 8: flags += 2 << 6; break; + default: flags += 3 << 6; + } +#ifdef ZLIB_DEBUG + flags += 1 << 8; +#endif + /* +#if defined(ASMV) || defined(ASMINF) + flags += 1 << 9; +#endif + */ +#ifdef ZLIB_WINAPI + flags += 1 << 10; +#endif +#ifdef BUILDFIXED + flags += 1 << 12; +#endif +#ifdef DYNAMIC_CRC_TABLE + flags += 1 << 13; +#endif +#ifdef NO_GZCOMPRESS + flags += 1L << 16; +#endif +#ifdef NO_GZIP + flags += 1L << 17; +#endif +#ifdef PKZIP_BUG_WORKAROUND + flags += 1L << 20; +#endif +#ifdef FASTEST + flags += 1L << 21; +#endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifdef NO_vsnprintf + flags += 1L << 25; +# ifdef HAS_vsprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_vsnprintf_void + flags += 1L << 26; +# endif +# endif +#else + flags += 1L << 24; +# ifdef NO_snprintf + flags += 1L << 25; +# ifdef HAS_sprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_snprintf_void + flags += 1L << 26; +# endif +# endif +#endif + return flags; +} + +#ifdef ZLIB_DEBUG +#include +# ifndef verbose +# define verbose 0 +# endif +int ZLIB_INTERNAL z_verbose = verbose; + +void ZLIB_INTERNAL z_error(m) + char *m; +{ + fprintf(stderr, "%s\n", m); + exit(1); +} +#endif + +/* exported to allow conversion of error code to string for compress() and + * uncompress() + */ +const char * ZEXPORT zError(err) + int err; +{ + return ERR_MSG(err); +} + +#if defined(_WIN32_WCE) && _WIN32_WCE < 0x800 + /* The older Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. + */ + int errno = 0; +#endif + +#ifndef HAVE_MEMCPY + +void ZLIB_INTERNAL zmemcpy(dest, source, len) + Bytef* dest; + const Bytef* source; + uInt len; +{ + if (len == 0) return; + do { + *dest++ = *source++; /* ??? to be unrolled */ + } while (--len != 0); +} + +int ZLIB_INTERNAL zmemcmp(s1, s2, len) + const Bytef* s1; + const Bytef* s2; + uInt len; +{ + uInt j; + + for (j = 0; j < len; j++) { + if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; + } + return 0; +} + +void ZLIB_INTERNAL zmemzero(dest, len) + Bytef* dest; + uInt len; +{ + if (len == 0) return; + do { + *dest++ = 0; /* ??? to be unrolled */ + } while (--len != 0); +} +#endif + +#ifndef Z_SOLO + +#ifdef SYS16BIT + +#ifdef __TURBOC__ +/* Turbo C in 16-bit mode */ + +# define MY_ZCALLOC + +/* Turbo C malloc() does not allow dynamic allocation of 64K bytes + * and farmalloc(64K) returns a pointer with an offset of 8, so we + * must fix the pointer. Warning: the pointer must be put back to its + * original form in order to free it, use zcfree(). + */ + +#define MAX_PTR 10 +/* 10*64K = 640K */ + +local int next_ptr = 0; + +typedef struct ptr_table_s { + voidpf org_ptr; + voidpf new_ptr; +} ptr_table; + +local ptr_table table[MAX_PTR]; +/* This table is used to remember the original form of pointers + * to large buffers (64K). Such pointers are normalized with a zero offset. + * Since MSDOS is not a preemptive multitasking OS, this table is not + * protected from concurrent access. This hack doesn't work anyway on + * a protected system like OS/2. Use Microsoft C instead. + */ + +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) +{ + voidpf buf; + ulg bsize = (ulg)items*size; + + (void)opaque; + + /* If we allocate less than 65520 bytes, we assume that farmalloc + * will return a usable pointer which doesn't have to be normalized. + */ + if (bsize < 65520L) { + buf = farmalloc(bsize); + if (*(ush*)&buf != 0) return buf; + } else { + buf = farmalloc(bsize + 16L); + } + if (buf == NULL || next_ptr >= MAX_PTR) return NULL; + table[next_ptr].org_ptr = buf; + + /* Normalize the pointer to seg:0 */ + *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; + *(ush*)&buf = 0; + table[next_ptr++].new_ptr = buf; + return buf; +} + +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) +{ + int n; + + (void)opaque; + + if (*(ush*)&ptr != 0) { /* object < 64K */ + farfree(ptr); + return; + } + /* Find the original pointer */ + for (n = 0; n < next_ptr; n++) { + if (ptr != table[n].new_ptr) continue; + + farfree(table[n].org_ptr); + while (++n < next_ptr) { + table[n-1] = table[n]; + } + next_ptr--; + return; + } + Assert(0, "zcfree: ptr not found"); +} + +#endif /* __TURBOC__ */ + + +#ifdef M_I86 +/* Microsoft C in 16-bit mode */ + +# define MY_ZCALLOC + +#if (!defined(_MSC_VER) || (_MSC_VER <= 600)) +# define _halloc halloc +# define _hfree hfree +#endif + +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) +{ + (void)opaque; + return _halloc((long)items, size); +} + +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) +{ + (void)opaque; + _hfree(ptr); +} + +#endif /* M_I86 */ + +#endif /* SYS16BIT */ + + +#ifndef MY_ZCALLOC /* Any system without a special alloc function */ + +#ifndef STDC +extern voidp malloc OF((uInt size)); +extern voidp calloc OF((uInt items, uInt size)); +extern void free OF((voidpf ptr)); +#endif + +voidpf ZLIB_INTERNAL zcalloc(opaque, items, size) + voidpf opaque; + unsigned items; + unsigned size; +{ + (void)opaque; + return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : + (voidpf)calloc(items, size); +} + +void ZLIB_INTERNAL zcfree(opaque, ptr) + voidpf opaque; + voidpf ptr; +{ + (void)opaque; + free(ptr); +} + +#endif /* MY_ZCALLOC */ + +#endif /* !Z_SOLO */ diff --git a/zutil.h b/zutil.h new file mode 100644 index 0000000..0bc7f4e --- /dev/null +++ b/zutil.h @@ -0,0 +1,275 @@ +/* zutil.h -- internal interface and configuration of the compression library + * Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef ZUTIL_H +#define ZUTIL_H + +#ifdef HAVE_HIDDEN +# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) +#else +# define ZLIB_INTERNAL +#endif + +#include "zlib.h" + +#if defined(STDC) && !defined(Z_SOLO) +# if !(defined(_WIN32_WCE) && defined(_MSC_VER)) +# include +# endif +# include +# include +#endif + +#ifndef local +# define local static +#endif +/* since "static" is used to mean two completely different things in C, we + define "local" for the non-static meaning of "static", for readability + (compile with -Dlocal if your debugger can't find static symbols) */ + +typedef unsigned char uch; +typedef uch FAR uchf; +typedef unsigned short ush; +typedef ush FAR ushf; +typedef unsigned long ulg; + +#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC) +# include +# if (ULONG_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned long +# elif (ULLONG_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned long long +# elif (UINT_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned +# endif +#endif + +extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ +/* (size given to avoid silly warnings with Visual C++) */ + +#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] + +#define ERR_RETURN(strm,err) \ + return (strm->msg = ERR_MSG(err), (err)) +/* To be used only when the state is known to be valid */ + + /* common constants */ + +#ifndef DEF_WBITS +# define DEF_WBITS MAX_WBITS +#endif +/* default windowBits for decompression. MAX_WBITS is for compression only */ + +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif +/* default memLevel */ + +#define STORED_BLOCK 0 +#define STATIC_TREES 1 +#define DYN_TREES 2 +/* The three kinds of block type */ + +#define MIN_MATCH 3 +#define MAX_MATCH 258 +/* The minimum and maximum match lengths */ + +#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ + + /* target dependencies */ + +#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) +# define OS_CODE 0x00 +# ifndef Z_SOLO +# if defined(__TURBOC__) || defined(__BORLANDC__) +# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) + /* Allow compilation with ANSI keywords only enabled */ + void _Cdecl farfree( void *block ); + void *_Cdecl farmalloc( unsigned long nbytes ); +# else +# include +# endif +# else /* MSC or DJGPP */ +# include +# endif +# endif +#endif + +#ifdef AMIGA +# define OS_CODE 1 +#endif + +#if defined(VAXC) || defined(VMS) +# define OS_CODE 2 +# define F_OPEN(name, mode) \ + fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") +#endif + +#ifdef __370__ +# if __TARGET_LIB__ < 0x20000000 +# define OS_CODE 4 +# elif __TARGET_LIB__ < 0x40000000 +# define OS_CODE 11 +# else +# define OS_CODE 8 +# endif +#endif + +#if defined(ATARI) || defined(atarist) +# define OS_CODE 5 +#endif + +#ifdef OS2 +# define OS_CODE 6 +# if defined(M_I86) && !defined(Z_SOLO) +# include +# endif +#endif + +#if defined(MACOS) || defined(TARGET_OS_MAC) +# define OS_CODE 7 +# ifndef Z_SOLO +# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include /* for fdopen */ +# else +# ifndef fdopen +# define fdopen(fd,mode) NULL /* No fdopen() */ +# endif +# endif +# endif +#endif + +#ifdef __acorn +# define OS_CODE 13 +#endif + +#if defined(WIN32) && !defined(__CYGWIN__) +# define OS_CODE 10 +#endif + +#ifdef _BEOS_ +# define OS_CODE 16 +#endif + +#ifdef __TOS_OS400__ +# define OS_CODE 18 +#endif + +#ifdef __APPLE__ +# define OS_CODE 19 +#endif + +#if defined(_BEOS_) || defined(RISCOS) +# define fdopen(fd,mode) NULL /* No fdopen() */ +#endif + +#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX +# if defined(_WIN32_WCE) +# define fdopen(fd,mode) NULL /* No fdopen() */ +# else +# define fdopen(fd,type) _fdopen(fd,type) +# endif +#endif + +#if defined(__BORLANDC__) && !defined(MSDOS) + #pragma warn -8004 + #pragma warn -8008 + #pragma warn -8066 +#endif + +/* provide prototypes for these when building zlib without LFS */ +#if !defined(_WIN32) && \ + (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) + ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); + ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t)); +#endif + + /* common defaults */ + +#ifndef OS_CODE +# define OS_CODE 3 /* assume Unix */ +#endif + +#ifndef F_OPEN +# define F_OPEN(name, mode) fopen((name), (mode)) +#endif + + /* functions */ + +#if defined(pyr) || defined(Z_SOLO) +# define NO_MEMCPY +#endif +#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) + /* Use our own functions for small and medium model with MSC <= 5.0. + * You may have to use the same strategy for Borland C (untested). + * The __SC__ check is for Symantec. + */ +# define NO_MEMCPY +#endif +#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) +# define HAVE_MEMCPY +#endif +#ifdef HAVE_MEMCPY +# ifdef SMALL_MEDIUM /* MSDOS small or medium model */ +# define zmemcpy _fmemcpy +# define zmemcmp _fmemcmp +# define zmemzero(dest, len) _fmemset(dest, 0, len) +# else +# define zmemcpy memcpy +# define zmemcmp memcmp +# define zmemzero(dest, len) memset(dest, 0, len) +# endif +#else + void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); + int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); + void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len)); +#endif + +/* Diagnostic functions */ +#ifdef ZLIB_DEBUG +# include + extern int ZLIB_INTERNAL z_verbose; + extern void ZLIB_INTERNAL z_error OF((char *m)); +# define Assert(cond,msg) {if(!(cond)) z_error(msg);} +# define Trace(x) {if (z_verbose>=0) fprintf x ;} +# define Tracev(x) {if (z_verbose>0) fprintf x ;} +# define Tracevv(x) {if (z_verbose>1) fprintf x ;} +# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} +# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} +#else +# define Assert(cond,msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c,x) +# define Tracecv(c,x) +#endif + +#ifndef Z_SOLO + voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, + unsigned size)); + void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); +#endif + +#define ZALLOC(strm, items, size) \ + (*((strm)->zalloc))((strm)->opaque, (items), (size)) +#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) +#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} + +/* Reverse the bytes in a 32-bit value */ +#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + +#endif /* ZUTIL_H */