From 658c5209fb548746269470a7f2c52b9ad443e72e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 16 Oct 2011 02:38:02 +0200 Subject: [PATCH] idf: Improve idf_probe() so it doesnt succeed on 0 byte input --- libavformat/bintext.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavformat/bintext.c b/libavformat/bintext.c index 69c7ab5039..e03a31e447 100644 --- a/libavformat/bintext.c +++ b/libavformat/bintext.c @@ -261,7 +261,9 @@ static const uint8_t idf_magic[] = { static int idf_probe(AVProbeData *p) { - if (!memcmp(p->buf, idf_magic, FFMIN(sizeof(idf_magic), p->buf_size))) + if (p->buf_size < sizeof(idf_magic)) + return 0; + if (!memcmp(p->buf, idf_magic, sizeof(idf_magic))) return AVPROBE_SCORE_MAX; return 0; }