From 8f6d36b3cb8e3afc6cfa3abb1582ec4d71a3e1ee Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 4 Aug 2014 02:34:54 +0200 Subject: [PATCH] avutil/mem: document NULL related saftey of av_freep() Signed-off-by: Michael Niedermayer --- libavutil/mem.h | 1 + 1 file changed, 1 insertion(+) diff --git a/libavutil/mem.h b/libavutil/mem.h index 801c53ff51..0be2127071 100644 --- a/libavutil/mem.h +++ b/libavutil/mem.h @@ -253,6 +253,7 @@ void *av_memdup(const void *p, size_t size); * av_realloc() and set the pointer pointing to it to NULL. * @param ptr Pointer to the pointer to the memory block which should * be freed. + * @note passing a pointer to a NULL pointer is safe and leads to no action. * @see av_free() */ void av_freep(void *ptr);