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avformat/libzmq: Check av_strstart()

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Fixes: CID1453457 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0263b6a48c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-06-03 01:19:36 +02:00
parent c81fd6fd6d
commit bf5ba9a170
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1 changed files with 4 additions and 1 deletions
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libavformat/libzmq.c
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@ -94,7 +94,10 @@ static int zmq_proto_open(URLContext *h, const char *uri, int flags)
return AVERROR_EXTERNAL;
}
av_strstart(uri, "zmq:", &uri);
if (av_strstart(uri, "zmq:", &uri)) {
av_log(h, AV_LOG_ERROR, "URL %s lacks prefix\n", uri);
return AVERROR(EINVAL);
}
/*publish during write*/
if (h->flags & AVIO_FLAG_WRITE) {