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tcp: Check the return value from getsockopt 

Make sure we actually have an error code in ret, in case
getsockopt failed.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-06-19 17:50:38 +03:00
parent a840cdda6c
commit bb6c1abb0e
1 changed files with 2 additions and 1 deletions
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3
libavformat/tcp.c
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@ -139,7 +139,8 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
}
/* test error */
optlen = sizeof(ret);
getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen))
ret = AVUNERROR(ff_neterrno());
if (ret != 0) {
char errbuf[100];
ret = AVERROR(ret);