diff options
| author | Eric Jackson <ericj@cvs.openbsd.org> | 2002-03-10 20:26:10 +0000 |
|---|---|---|
| committer | Eric Jackson <ericj@cvs.openbsd.org> | 2002-03-10 20:26:10 +0000 |
| commit | e784849fe476fca12377b05133bd7eb2be455152 (patch) | |
| tree | 779202573020d4ebba3e3b9d565b4c38debec6bc /usr.bin/nc/netcat.c | |
| parent | 0678a64e9390fdd4603e5ddec7ea44ac402b0957 (diff) | |
check that we got the port before trying to listen
pr 2436; Alexander Yurchenko <grange@rt.mipt.ru>
Diffstat (limited to 'usr.bin/nc/netcat.c')
| -rw-r--r-- | usr.bin/nc/netcat.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.bin/nc/netcat.c b/usr.bin/nc/netcat.c index dc4fe9e37d4..da57c3239ac 100644 --- a/usr.bin/nc/netcat.c +++ b/usr.bin/nc/netcat.c @@ -1,4 +1,4 @@ -/* $OpenBSD: netcat.c,v 1.46 2002/02/28 18:05:36 markus Exp $ */ +/* $OpenBSD: netcat.c,v 1.47 2002/03/10 20:26:09 ericj Exp $ */ /* * Copyright (c) 2001 Eric Jackson <ericj@monkey.org> * @@ -512,7 +512,7 @@ local_listen(char *host, char *port, struct addrinfo hints) s = -1; } while ((res0 = res0->ai_next) != NULL); - if (!uflag) { + if (!uflag && s != -1) { if (listen(s, 1) < 0) errx(1, "%s", strerror(errno)); } |