diff options
Diffstat (limited to 'usr.sbin/rtadvd/rtadvd.c')
| -rw-r--r-- | usr.sbin/rtadvd/rtadvd.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/usr.sbin/rtadvd/rtadvd.c b/usr.sbin/rtadvd/rtadvd.c index a5f306d..4d2a527 100644 --- a/usr.sbin/rtadvd/rtadvd.c +++ b/usr.sbin/rtadvd/rtadvd.c @@ -166,6 +166,15 @@ static void rtmsg_input(struct sockinfo *); static void set_short_delay(struct ifinfo *); static int check_accept_rtadv(int); +static void +usage(void) +{ + + fprintf(stderr, "usage: rtadvd [-dDfRs] " + "[-c configfile] [-C ctlsock] [-M ifname] [-p pidfile]\n"); + exit(1); +} + int main(int argc, char *argv[]) { @@ -177,7 +186,7 @@ main(int argc, char *argv[]) pid_t pid, otherpid; /* get command line options and arguments */ - while ((ch = getopt(argc, argv, "c:C:dDfM:p:Rs")) != -1) { + while ((ch = getopt(argc, argv, "c:C:dDfhM:p:Rs")) != -1) { switch (ch) { case 'c': conffile = optarg; @@ -209,17 +218,12 @@ main(int argc, char *argv[]) case 'p': pidfilename = optarg; break; + default: + usage(); } } argc -= optind; argv += optind; - if (argc == 0) { - fprintf(stderr, - "usage: rtadvd [-dDfRs] [-c conffile] " - "[-C ctrlsockname] [-M ifname] " - "[-p pidfile] interfaces...\n"); - exit(1); - } logopt = LOG_NDELAY | LOG_PID; if (fflag) |
