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better av_freep() 

Originally committed as revision 541 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2002-05-20 16:23:27 +00:00
parent 51a4966370
commit 4d7a0a0593
2 changed files with 9 additions and 9 deletions
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11
libavcodec/common.h
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@ -57,14 +57,6 @@ typedef INT32 int32_t;
#define inline __inline
/*
Disable warning messages:
warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
warning C4305: 'argument' : truncation from 'const double' to 'float'
*/
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#else
#define INT64_C(c) (c ## LL)
#define UINT64_C(c) (c ## ULL)
@ -901,7 +893,8 @@ static inline int clip(int a, int amin, int amax)
void *av_malloc(int size);
void *av_mallocz(int size);
void av_free(void *ptr);
#define av_freep(p) do { av_free(*p); *p = NULL; } while (0)
void __av_freep(void **ptr);
#define av_freep(p) __av_freep((void **)(p))
/* math */
int ff_gcd(int a, int b);

7
libavcodec/utils.c
View File

@ -65,6 +65,13 @@ void av_free(void *ptr)
free(ptr);
}
/* cannot call it directly because of 'void **' casting is not automatic */
void __av_freep(void **ptr)
{
av_free(*ptr);
*ptr = NULL;
}
/* encoder management */
AVCodec *first_avcodec;