2 /* symbols.c - find all exported symbols
4 * Copyright (c) 2011-2014 Glenn Randers-Pehrson
6 * This code is released under the libpng license.
7 * For conditions of distribution and use, see the disclaimer
11 /* NOTE: making 'symbols.chk' checks both that the exported
12 * symbols in the library don't change and (implicitly) that
13 * scripts/pnglibconf.h.prebuilt is as expected.
14 * If scripts/pnglibconf.h.prebuilt is remade using
15 * scripts/pnglibconf.dfa then this checks the .dfa file too.
18 #define PNG_EXPORTA(ordinal, type, name, args, attributes)\
19 PNG_DFN "@" name "@ @@" ordinal "@"
20 #define PNG_REMOVED(ordinal, type, name, args, attributes)\
21 PNG_DFN "; @" name "@ @@" ordinal "@"
22 #define PNG_EXPORT_LAST_ORDINAL(ordinal)\
23 PNG_DFN "; @@" ordinal "@"
25 /* Read the defaults, but use scripts/pnglibconf.h.prebuilt; the 'standard'
28 #include "pnglibconf.h.prebuilt"
31 /* Some things are turned off by default. Turn these things
32 * on here (by hand) to get the APIs they expose and validate
33 * that no harm is done. This list is the set of options
34 * defaulted to 'off' in scripts/pnglibconf.dfa
36 * Maintenance: if scripts/pnglibconf.dfa options are changed
37 * from, or to, 'disabled' this needs updating!
39 #define PNG_BENIGN_ERRORS_SUPPORTED
40 #define PNG_ERROR_NUMBERS_SUPPORTED
41 #define PNG_READ_BIG_ENDIAN_SUPPORTED /* should do nothing! */
42 #define PNG_INCH_CONVERSIONS_SUPPORTED
43 #define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
44 #define PNG_SET_OPTION_SUPPORTED
49 /* Finally there are a couple of places where option support
50 * actually changes the APIs revealed using a #if/#else/#endif
51 * test in png.h, test these here.
53 #undef PNG_FLOATING_POINT_SUPPORTED /* Exposes 'fixed' APIs */
54 #undef PNG_ERROR_TEXT_SUPPORTED /* Exposes unsupported APIs */