summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--usr.sbin/tcpdrop/tcpdrop.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.sbin/tcpdrop/tcpdrop.c b/usr.sbin/tcpdrop/tcpdrop.c
index 68ef0ef..06ca0da 100644
--- a/usr.sbin/tcpdrop/tcpdrop.c
+++ b/usr.sbin/tcpdrop/tcpdrop.c
@@ -45,8 +45,10 @@ main(int argc, char *argv[])
char fhbuf[NI_MAXHOST], fsbuf[NI_MAXSERV], lhbuf[NI_MAXHOST],
lsbuf[NI_MAXSERV];
- if (argc != 5)
- errx(1, "usage: tcpdrop laddr lport faddr fport\n");
+ if (argc != 5) {
+ fprintf(stderr, "usage: tcpdrop laddr lport faddr fport\n");
+ exit(1);
+ }
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
OpenPOWER on IntegriCloud