diff options
Diffstat (limited to 'libavutil/mem.h')
-rw-r--r-- | libavutil/mem.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavutil/mem.h b/libavutil/mem.h index ffdbb98d94..179e12f32f 100644 --- a/libavutil/mem.h +++ b/libavutil/mem.h @@ -88,6 +88,16 @@ void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1); void *av_realloc(void *ptr, size_t size) av_alloc_size(2); /** + * Allocate or reallocate a block of memory. + * This function does the same thing as av_realloc, except: + * - It takes two arguments and checks the result of the multiplication for + * integer overflow. + * - It frees the input block in case of failure, thus avoiding the memory + * leak with the classic "buf = realloc(buf); if (!buf) return -1;". + */ +void *av_realloc_f(void *ptr, size_t nelem, size_t elsize); + +/** * Free a memory block which has been allocated with av_malloc(z)() or * av_realloc(). * @param ptr Pointer to the memory block which should be freed. |