diff options
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/ipfw/ipfw.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sbin/ipfw/ipfw.c b/sbin/ipfw/ipfw.c index 966a703..22e794d 100644 --- a/sbin/ipfw/ipfw.c +++ b/sbin/ipfw/ipfw.c @@ -16,7 +16,7 @@ * * NEW command line interface for IP firewall facility * - * $Id: ipfw.c,v 1.62 1998/12/07 05:54:37 archie Exp $ + * $Id: ipfw.c,v 1.63 1998/12/14 18:43:03 luigi Exp $ * */ @@ -1386,6 +1386,9 @@ ipfw_main(ac,av) ac-- ; av++ ; } + if (!ac) { + show_usage("pipe requires arguments"); + } /* allow argument swapping */ if (ac > 1 && *av[0]>='0' && *av[0]<='9') { char *p = av[0] ; |