===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/rwho/Attic/rwho.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -c -r1.5 -r1.6
*** src/usr.bin/rwho/Attic/rwho.c	1997/01/15 23:43:10	1.5
--- src/usr.bin/rwho/Attic/rwho.c	1997/03/26 18:02:37	1.6
***************
*** 1,4 ****
! /*	$OpenBSD: rwho.c,v 1.5 1997/01/15 23:43:10 millert Exp $	*/
  
  /*
   * Copyright (c) 1983 The Regents of the University of California.
--- 1,4 ----
! /*	$OpenBSD: rwho.c,v 1.6 1997/03/26 18:02:37 deraadt Exp $	*/
  
  /*
   * Copyright (c) 1983 The Regents of the University of California.
***************
*** 41,47 ****
  
  #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 $";
  #endif /* not lint */
  
  #include <sys/param.h>
--- 41,47 ----
  
  #ifndef lint
  /*static char sccsid[] = "from: @(#)rwho.c	5.5 (Berkeley) 6/1/90";*/
! static char rcsid[] = "$OpenBSD: rwho.c,v 1.6 1997/03/26 18:02:37 deraadt Exp $";
  #endif /* not lint */
  
  #include <sys/param.h>
***************
*** 91,96 ****
--- 91,97 ----
  	register struct myutmp *mp;
  	int f, n, i;
  	time_t time();
+ 	int nhosts = 0;
  
  	while ((ch = getopt(argc, argv, "a")) != -1)
  		switch((char)ch) {
***************
*** 119,124 ****
--- 120,126 ----
  			(void) close(f);
  			continue;
  		}
+ 		nhosts++;
  		if (down(w,now)) {
  			(void) close(f);
  			continue;
***************
*** 142,147 ****
--- 144,151 ----
  		}
  		(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;