X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=file.c;h=aff1d51f2d2c87b470f2b61b23d6c8b945870f73;hb=2cada118eb515e369ba23b85c8f3fb8c4d100aaa;hp=5db36a849d10acc39332f3b2465a1380dcec676b;hpb=4d10bc017ad683ffa3e7e399b9bcb9dcf524d964;p=ext%2Fsubsurface.git diff --git a/file.c b/file.c index 5db36a8..aff1d51 100644 --- a/file.c +++ b/file.c @@ -2,19 +2,17 @@ #include #include #include +#include #include #include "dive.h" - -struct memblock { - void *buffer; - size_t size; -}; +#include "file.h" static int readfile(const char *filename, struct memblock *mem) { int ret, fd = open(filename, O_RDONLY); struct stat st; + char *buf; mem->buffer = NULL; mem->size = 0; @@ -31,15 +29,17 @@ static int readfile(const char *filename, struct memblock *mem) ret = 0; if (!st.st_size) goto out; - mem->buffer = malloc(st.st_size); + buf = malloc(st.st_size+1); ret = -1; errno = ENOMEM; - if (!mem->buffer) + if (!buf) goto out; + mem->buffer = buf; mem->size = st.st_size; - ret = read(fd, mem->buffer, mem->size); + ret = read(fd, buf, mem->size); if (ret < 0) goto free; + buf[ret] = 0; if (ret == mem->size) goto out; errno = EIO; @@ -53,6 +53,69 @@ out: return ret; } +#ifdef LIBZIP +#include + +static void suunto_read(struct zip_file *file, GError **error) +{ + int size = 1024, n, read = 0; + char *mem = malloc(size); + + while ((n = zip_fread(file, mem+read, size-read)) > 0) { + read += n; + size = read * 3 / 2; + mem = realloc(mem, size); + } + parse_xml_buffer("SDE file", mem, read, error); + free(mem); +} +#endif + +static int try_to_open_suunto(const char *filename, struct memblock *mem, GError **error) +{ + int success = 0; +#ifdef LIBZIP + /* Grr. libzip needs to re-open the file, it can't take a buffer */ + struct zip *zip = zip_open(filename, ZIP_CHECKCONS, NULL); + + if (zip) { + int index; + for (index = 0; ;index++) { + struct zip_file *file = zip_fopen_index(zip, index, 0); + if (!file) + break; + suunto_read(file, error); + zip_fclose(file); + success++; + } + zip_close(zip); + } +#endif + return success; +} + +static int open_by_filename(const char *filename, const char *fmt, struct memblock *mem, GError **error) +{ + /* Suunto Dive Manager files: SDE */ + if (!strcasecmp(fmt, "SDE")) + return try_to_open_suunto(filename, mem, error); + + /* Truly nasty intentionally obfuscated Cochran Anal software */ + if (!strcasecmp(fmt, "CAN")) + return try_to_open_cochran(filename, mem, error); + + return 0; +} + +static void parse_file_buffer(const char *filename, struct memblock *mem, GError **error) +{ + char *fmt = strrchr(filename, '.'); + if (fmt && open_by_filename(filename, fmt+1, mem, error)) + return; + + parse_xml_buffer(filename, mem->buffer, mem->size, error); +} + void parse_file(const char *filename, GError **error) { struct memblock mem; @@ -68,6 +131,6 @@ void parse_file(const char *filename, GError **error) return; } - parse_xml_buffer(filename, mem.buffer, mem.size, error); + parse_file_buffer(filename, &mem, error); free(mem.buffer); }