From: Michael Niedermayer <mich...@niedermayer.cc> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavutil/mem.c | 4 ++++ libavutil/mem.h | 15 +++++++++++++++ 2 files changed, 19 insertions(+)
diff --git a/libavutil/mem.c b/libavutil/mem.c index 323b183..8dfaad8 100644 --- a/libavutil/mem.c +++ b/libavutil/mem.c @@ -501,3 +501,7 @@ void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size) ff_fast_malloc(ptr, size, min_size, 0); } +void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size) +{ + ff_fast_malloc(ptr, size, min_size, 1); +} diff --git a/libavutil/mem.h b/libavutil/mem.h index a8eb14e..d25b322 100644 --- a/libavutil/mem.h +++ b/libavutil/mem.h @@ -385,6 +385,21 @@ void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size); void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size); /** + * Allocate a buffer, reusing the given one if large enough. + * + * All newly allocated space is initially cleared + * Contrary to av_fast_realloc the current buffer contents might not be + * preserved and on error the old buffer is freed, thus no special + * handling to avoid memleaks is necessary. + * + * @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer + * @param size size of the buffer *ptr points to + * @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and + * *size 0 if an error occurred. + */ +void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size); + +/** * @} */ -- 1.7.9.5 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel