ypserv(8) doesn't need the domainname(1) set -- it will serve any maps

present under /var/yp/<somedomain>/<map> -- so don't require it.
Thanks to Chuck Cranor for the suggestion.

etc/rc.d/ypserv

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: ypserv,v 1.8 2004/10/12 14:51:03 lukem Exp $
+# $NetBSD: ypserv,v 1.9 2005/04/01 23:25:29 lukem Exp $
 #
 
 # PROVIDE: ypserv
@@ -16,14 +16,8 @@ start_precmd="ypserv_precmd"
 
 ypserv_precmd()
 {
-	_domain=$(domainname)
-	if [ -z "$_domain" ]; then
-		warn "domainname(1) is not set."
-		return 1
-	fi
-
-	if [ ! -d /var/yp/$_domain/. ]; then
-		warn "/var/yp/$_domain is not a directory."
+	if [ ! -d /var/yp/. ]; then
+		warn "/var/yp is not a directory."
 		return 1
 	fi
 }