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[devel] Revised PNG_EXPORT() macro and added PNG_EXPORTA() macro, with the

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objective of simplifying and improving the cosmetic appearance of png.h.
This commit is contained in:
Glenn Randers-Pehrson
2010-12-06 18:28:02 -06:00
parent 27df3a44eb
commit 23d3970929
8 changed files with 542 additions and 500 deletions
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24
pngconf.h
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@@ -310,18 +310,18 @@
* table entries, so we discard it here. See the .dfn files in the
* scripts directory.
*/
# define PNG_EXPORT(type, name, args, attributes, ordinal)\
# define PNG_EXPORT(ordinal, type, name, args)\
extern PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args),)
#endif
#ifndef PNG_EXPORTA
# define PNG_EXPORTA(ordinal, type, name, args, attributes)\
extern PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args),\
attributes)
# define PNG_EXPORTX(ordinal, type, name, args)\
PNG_EXPORT(type, name, args,, ordinal )
# define PNG_EXPORTA(ordinal, type, name, args, attributes)\
PNG_EXPORT(type, name, args, attributes, ordinal)
#endif
/* Use PNG_REMOVED to comment out a removed interface. */
#ifndef PNG_REMOVED
# define PNG_REMOVED(type, name, args, attributes, ordinal)
# define PNG_REMOVED(ordinal, type, name, args, attributes)
#endif
#ifndef PNG_CALLBACK
@@ -436,18 +436,18 @@
#endif
#ifndef PNG_FP_EXPORT /* A floating point API. */
# ifdef PNG_FLOATING_POINT_SUPPORTED
# define PNG_FP_EXPORT(type, name, args, attributes, ordinal)\
PNG_EXPORT(type, name, args, attributes, ordinal)
# define PNG_FP_EXPORT(ordinal, type, name, args)\
PNG_EXPORT(ordinal, type, name, args)
# else /* No floating point APIs */
# define PNG_FP_EXPORT(type, name, args, attributes, ordinal)
# define PNG_FP_EXPORT(ordinal, type, name, args)
# endif
#endif
#ifndef PNG_FIXED_EXPORT /* A fixed point API. */
# ifdef PNG_FIXED_POINT_SUPPORTED
# define PNG_FIXED_EXPORT(type, name, args, attributes, ordinal)\
PNG_EXPORT(type, name, args, attributes, ordinal)
# define PNG_FIXED_EXPORT(ordinal, type, name, args)\
PNG_EXPORT(ordinal, type, name, args)
# else /* No fixed point APIs */
# define PNG_FIXED_EXPORT(type, name, args, attributes, ordinal)
# define PNG_FIXED_EXPORT(ordinal, type, name, args)
# endif
#endif