1 2 /* symbols.c - find all exported symbols 3 * 4 * Last changed in libpng version 1.6.16 [December 22, 2014] 5 * Copyright (c) 2011-2014 Glenn Randers-Pehrson 6 * 7 * This code is released under the libpng license. 8 * For conditions of distribution and use, see the disclaimer 9 * and license in png.h 10 */ 11 12 /* NOTE: making 'symbols.chk' checks both that the exported 13 * symbols in the library don't change and (implicitly) that 14 * scripts/pnglibconf.h.prebuilt is as expected. 15 * If scripts/pnglibconf.h.prebuilt is remade using 16 * scripts/pnglibconf.dfa then this checks the .dfa file too. 17 */ 18 19 #define PNG_EXPORTA(ordinal, type, name, args, attributes)\ 20 PNG_DFN "@" name "@ @@" ordinal "@" 21 #define PNG_REMOVED(ordinal, type, name, args, attributes)\ 22 PNG_DFN "; @" name "@ @@" ordinal "@" 23 #define PNG_EXPORT_LAST_ORDINAL(ordinal)\ 24 PNG_DFN "; @@" ordinal "@" 25 26 /* Read the defaults, but use scripts/pnglibconf.h.prebuilt; the 'standard' 27 * header file. 28 */ 29 #include "pnglibconf.h.prebuilt" 30 #include "../png.h" 31 32 /* Some things are turned off by default. Turn these things 33 * on here (by hand) to get the APIs they expose and validate 34 * that no harm is done. This list is the set of options 35 * defaulted to 'off' in scripts/pnglibconf.dfa 36 * 37 * Maintenance: if scripts/pnglibconf.dfa options are changed 38 * from, or to, 'disabled' this needs updating! 39 */ 40 #define PNG_BENIGN_ERRORS_SUPPORTED 41 #define PNG_ERROR_NUMBERS_SUPPORTED 42 #define PNG_READ_BIG_ENDIAN_SUPPORTED /* should do nothing! */ 43 #define PNG_INCH_CONVERSIONS_SUPPORTED 44 #define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED 45 #define PNG_SET_OPTION_SUPPORTED 46 47 #undef PNG_H 48 #include "../png.h" 49 50 /* Finally there are a couple of places where option support 51 * actually changes the APIs revealed using a #if/#else/#endif 52 * test in png.h, test these here. 53 */ 54 #undef PNG_FLOATING_POINT_SUPPORTED /* Exposes 'fixed' APIs */ 55 #undef PNG_ERROR_TEXT_SUPPORTED /* Exposes unsupported APIs */ 56 57 #undef PNG_H 58 #include "../png.h" 59
