Make buffer size check consistent and avoid a possible overflow.

14 years ago · 7f2228dbfe
parent c940c31c88
commit 7f2228dbfe
1 changed files with 1 additions and 1 deletions
--- a/libavformat/rtpenc_h264.c
+++ b/libavformat/rtpenc_h264.c
@ -40,7 +40,7 @@ static const uint8_t *avc_mp4_find_startcode(const uint8_t *start, const uint8_t
        res = (res << 8) | *start++;
    }

-    if (res + start > end) {
+    if (end - start < res) {
        return NULL;
    }