Module: libav Branch: release/9 Commit: 48fd461977f77f02668111769865e3740908e82a
Author: Anton Khirnov <[email protected]> Committer: Reinhard Tartler <[email protected]> Date: Wed Feb 13 21:36:25 2013 +0100 av_memcpy_backptr: avoid an infinite loop for back = 0 CC:[email protected] (cherry picked from commit f935aca44c674d30e3ed940ef73bbad1228a5855) Signed-off-by: Reinhard Tartler <[email protected]> --- libavutil/mem.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/libavutil/mem.c b/libavutil/mem.c index 3a4433d..391eb7d 100644 --- a/libavutil/mem.c +++ b/libavutil/mem.c @@ -252,6 +252,9 @@ static void fill32(uint8_t *dst, int len) void av_memcpy_backptr(uint8_t *dst, int back, int cnt) { const uint8_t *src = &dst[-back]; + if (!back) + return; + if (back == 1) { memset(dst, *src, cnt); } else if (back == 2) { _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
