diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-02-07 00:55:17 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-02-07 00:55:17 +0000 |
| commit | 219bdcd6c13696ca8f3e2b0c86d3543fab58d6c6 (patch) | |
| tree | 0fd8ebceb2f5774fc983722fd8e7d3e594aa2395 /sbin/ipf/ipf.c | |
| parent | a122fd1dfca2cc6b077c8396ffa4f43e9f5a8b50 (diff) | |
add usage() support using optreset
Diffstat (limited to 'sbin/ipf/ipf.c')
| -rw-r--r-- | sbin/ipf/ipf.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/sbin/ipf/ipf.c b/sbin/ipf/ipf.c index 93b39cbb35f..721169d67cb 100644 --- a/sbin/ipf/ipf.c +++ b/sbin/ipf/ipf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipf.c,v 1.13 1999/02/05 05:58:42 deraadt Exp $ */ +/* $OpenBSD: ipf.c,v 1.14 1999/02/07 00:55:16 deraadt Exp $ */ /* * Copyright (C) 1993-1998 by Darren Reed. * @@ -45,7 +45,7 @@ #if !defined(lint) static const char sccsid[] = "@(#)ipf.c 1.23 6/5/96 (C) 1993-1995 Darren Reed"; -static const char rcsid[] = "@(#)$Id: ipf.c,v 1.13 1999/02/05 05:58:42 deraadt Exp $"; +static const char rcsid[] = "@(#)$Id: ipf.c,v 1.14 1999/02/07 00:55:16 deraadt Exp $"; #endif static void frsync __P((void)); @@ -57,6 +57,7 @@ extern char *index __P((const char *, int)); #endif extern char *optarg; +extern int optreset; void zerostats __P((void)); int main __P((int, char *[])); @@ -73,13 +74,27 @@ static void closedevice __P((void)); static char *getline __P((char *, size_t, FILE *)); static char *ipfname = IPL_NAME; +#define OPTS "AdDEf:F:Il:noPrsUvyzZ" + +void usage() +{ + fprintf(stderr, "usage: ipf [-AdDEInorsUvyzZ] [-l block|pass|nomatch] " + "[-F i|o|a|s|S] -f file ...\n"); + exit(1); +} + int main(argc,argv) int argc; char *argv[]; { int c; - while ((c = getopt(argc, argv, "AdDEf:F:Il:noPrsUvyzZ")) != -1) { + while ((c = getopt(argc, argv, OPTS)) != -1) + if (c == '?') + usage(); + + optreset = 1; + while ((c = getopt(argc, argv, OPTS)) != -1) { switch (c) { case 'A' : |