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macros: Define restrict keyword if not available

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This change always defines the restrict keyword if a
non-C99 C compiler is used. In the case of GCC >= 4
it will be defined to __restrict__, in all other
cases to nothing. This allows to use the restrict
keyword unconditionally.
This commit is contained in:
Sebastian Dröge 2010-10-19 15:52:30 +02:00
parent 0ad9a954fe
commit a797b9f22b
1 changed files with 8 additions and 0 deletions
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8
gst/gstmacros.h
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@ -39,6 +39,14 @@ G_BEGIN_DECLS
# undef GST_CAN_INLINE
#endif
#if (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L) && !defined(restrict)
# if defined(__GNUC__) && __GNUC__ >= 4
# define restrict __restrict__
# else
# define restrict
# endif
#endif
G_END_DECLS
#endif /* __GST_MACROS_H__ */