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[devel] Make PNG_DEPSTRUCT, etc., configurable.

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Only #define PNG_DEPSTRUCT, etc. in pngconf.h if not already defined.
This commit is contained in:
Glenn Randers-Pehrson
2009-11-08 20:36:28 -06:00
parent 013d1d68c0
commit 44db6e39c3
3 changed files with 25 additions and 13 deletions
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30
pngconf.h
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@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.4.0beta94 - November 7, 2009
* libpng version 1.4.0beta94 - November 9, 2009
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1291,17 +1291,27 @@ typedef char FAR * FAR * FAR * png_charppp;
* functions in png.h will generate compiler warnings.
*/
#ifdef __GNUC__
# define PNG_DEPRECATED __attribute__((__deprecated__))
# define PNG_USE_RESULT __attribute__((__warn_unused_result__))
# define PNG_NORETURN __attribute__((__noreturn__))
# define PNG_ALLOCATED __attribute__((__malloc__))
# ifndef PNG_DEPRECATED
# define PNG_DEPRECATED __attribute__((__deprecated__))
# endif
# ifndef PNG_USE_RESULT
# define PNG_USE_RESULT __attribute__((__warn_unused_result__))
# endif
# ifndef PNG_NORETURN
# define PNG_NORETURN __attribute__((__noreturn__))
# endif
# ifndef PNG_ALLOCATED
# define PNG_ALLOCATED __attribute__((__malloc__))
# endif
# ifndef PNG_CONFIGURE_LIBPNG
/* This specifically protects structure members that should only be
* accessed from within the library, therefore should be empty during
* a library build.
*/
# define PNG_DEPSTRUCT __attribute__((__deprecated__))
/* This specifically protects structure members that should only be
* accessed from within the library, therefore should be empty during
* a library build.
*/
# ifndef PNG_DEPSTRUCT
# define PNG_DEPSTRUCT __attribute__((__deprecated__))
# endif
# endif
#endif