diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-04-26 17:01:03 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-04-26 17:01:03 +0000 |
| commit | efc2b3a66b2b5a93b3f33cd2a6183eeebea8caf1 (patch) | |
| tree | 0df38e23fe41fa0192d0597a8ef1cc32e3143233 | |
| parent | 106be53c2a4b1d44cba6d09d8e1c537ccd9bced3 (diff) | |
catch "rwho foo" as illegal; ru@ucb.crimea.ua
| -rw-r--r-- | usr.bin/rwho/rwho.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/usr.bin/rwho/rwho.c b/usr.bin/rwho/rwho.c index 51bca54e8e0..9e9356fa273 100644 --- a/usr.bin/rwho/rwho.c +++ b/usr.bin/rwho/rwho.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rwho.c,v 1.9 1997/06/20 10:00:01 deraadt Exp $ */ +/* $OpenBSD: rwho.c,v 1.10 1998/04/26 17:01:02 deraadt Exp $ */ /* * Copyright (c) 1983 The Regents of the University of California. @@ -41,7 +41,7 @@ char copyright[] = #ifndef lint /*static char sccsid[] = "from: @(#)rwho.c 5.5 (Berkeley) 6/1/90";*/ -static char rcsid[] = "$OpenBSD: rwho.c,v 1.9 1997/06/20 10:00:01 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: rwho.c,v 1.10 1998/04/26 17:01:02 deraadt Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -78,6 +78,13 @@ char *ctime(); time_t now; int aflg; +void +usage() +{ + fprintf(stderr, "usage: rwho [-a]\n"); + exit(1); +} + int main(argc, argv) int argc; @@ -102,9 +109,13 @@ main(argc, argv) break; case '?': default: - fprintf(stderr, "usage: rwho [-a]\n"); - exit(1); + usage(); } + argc -= optind; + argv += optind; + if (argc != 0) + usage(); + if (chdir(_PATH_RWHODIR) || (dirp = opendir(".")) == NULL) { perror(_PATH_RWHODIR); exit(1); |