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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-16 02:38:02 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-16 02:38:02 +0200 |
| commit | 658c5209fb548746269470a7f2c52b9ad443e72e (patch) | |
| tree | 313d1f059eb55e0342216b09a982635ff623fc9f | |
| parent | 3e01c9b5472cdeff002d9ebc4fb7a46a54210bfa (diff) | |
| download | ffmpeg-658c5209fb548746269470a7f2c52b9ad443e72e.tar.gz | |
idf: Improve idf_probe() so it doesnt succeed on 0 byte input
| -rw-r--r-- | libavformat/bintext.c | 4 |
1 files changed, 3 insertions, 1 deletions
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; } |