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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