From: deraadt <deraadt@openbsd.org>
Date: Wed, 26 Mar 1997 18:02:37 +0000 (+0000)
Subject: bail like ruptime; netbsd
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=fba43c3a47c5e8b2271b07ac09f4c512bf60249e;p=openbsd

bail like ruptime; netbsd
---

diff --git a/usr.bin/rwho/rwho.c b/usr.bin/rwho/rwho.c
index 961d3380eb2..c53ff950ca9 100644
--- a/usr.bin/rwho/rwho.c
+++ b/usr.bin/rwho/rwho.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rwho.c,v 1.5 1997/01/15 23:43:10 millert Exp $	*/
+/*	$OpenBSD: rwho.c,v 1.6 1997/03/26 18:02:37 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 1.5 1997/01/15 23:43:10 millert Exp $";
+static char rcsid[] = "$OpenBSD: rwho.c,v 1.6 1997/03/26 18:02:37 deraadt Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -91,6 +91,7 @@ main(argc, argv)
 	register struct myutmp *mp;
 	int f, n, i;
 	time_t time();
+	int nhosts = 0;
 
 	while ((ch = getopt(argc, argv, "a")) != -1)
 		switch((char)ch) {
@@ -119,6 +120,7 @@ main(argc, argv)
 			(void) close(f);
 			continue;
 		}
+		nhosts++;
 		if (down(w,now)) {
 			(void) close(f);
 			continue;
@@ -142,6 +144,8 @@ main(argc, argv)
 		}
 		(void) close(f);
 	}
+	if (nhosts == 0)
+		errx(0, "no hosts in %s.", _PATH_RWHODIR);
 	qsort((char *)myutmp, nusers, sizeof (struct myutmp),
 	    (int (*)())utmpcmp);
 	mp = myutmp;