1  
       2  /* symbols.c - find all exported symbols
       3   *
       4   * Copyright (c) 2011-2014 Glenn Randers-Pehrson
       5   *
       6   * This code is released under the libpng license.
       7   * For conditions of distribution and use, see the disclaimer
       8   * and license in png.h
       9   */
      10  
      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.
      16   */
      17  
      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 "@"
      24  
      25  /* Read the defaults, but use scripts/pnglibconf.h.prebuilt; the 'standard'
      26   * header file.
      27   */
      28  #include "pnglibconf.h.prebuilt"
      29  #include "../png.h"
      30  
      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
      35   *
      36   * Maintenance: if scripts/pnglibconf.dfa options are changed
      37   * from, or to, 'disabled' this needs updating!
      38   */
      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
      45  
      46  #undef PNG_H
      47  #include "../png.h"
      48  
      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.
      52   */
      53  #undef  PNG_FLOATING_POINT_SUPPORTED /* Exposes 'fixed' APIs */
      54  #undef  PNG_ERROR_TEXT_SUPPORTED     /* Exposes unsupported APIs */
      55  
      56  #undef PNG_H
      57  #include "../png.h"