Put repquota in line with other utilities: you either wants list everyting,

effectively using -a, or you specify filesystems one-by-one. Doing both
resulted in a funny error messages, so just don't allow that silly behaviour.

okay millert@

2 files changed, 9 insertions, 6 deletions

diff --git a/usr.sbin/repquota/repquota.8 b/usr.sbin/repquota/repquota.8
index 1c173e5efee..9bfb87fd793 100644
--- a/usr.sbin/repquota/repquota.8
+++ b/usr.sbin/repquota/repquota.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: repquota.8,v 1.10 2007/05/31 19:20:28 jmc Exp $
+.\"	$OpenBSD: repquota.8,v 1.11 2015/10/26 17:55:32 zhuk Exp $
 .\"
 .\" Copyright (c) 1983, 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -31,17 +31,20 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)repquota.8	8.1 (Berkeley) 6/6/93
-.\"	$Id: repquota.8,v 1.10 2007/05/31 19:20:28 jmc Exp $
+.\"	$Id: repquota.8,v 1.11 2015/10/26 17:55:32 zhuk Exp $
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: October 26 2015 $
 .Dt REPQUOTA 8
 .Os
 .Sh NAME
 .Nm repquota
 .Nd summarize quotas for a file system
 .Sh SYNOPSIS
-.Nm repquota
-.Op Fl aguv
+.Nm
+.Op Fl guv
+.Fl a
+.Nm
+.Op Fl guv
 .Ar filesystem ...
 .Sh DESCRIPTION
 .Nm
diff --git a/usr.sbin/repquota/repquota.c b/usr.sbin/repquota/repquota.c
index 8376bea3210..bbde734daaf 100644
--- a/usr.sbin/repquota/repquota.c
+++ b/usr.sbin/repquota/repquota.c
@@ -102,7 +102,7 @@ main(int argc, char *argv[])
 	}
 	argc -= optind;
 	argv += optind;
-	if (argc == 0 && !aflag)
+	if ((argc == 0) == (aflag == 0))
 		usage();
 	if (!gflag && !uflag) {
 		if (aflag)