From 2c69b9a13e3209034c5e4d8d7b576edb1deecefc Mon Sep 17 00:00:00 2001
From: Mike Barcroft <mike@FreeBSD.org>
Date: Sun, 22 Jul 2001 18:23:24 +0000
Subject: [PATCH] Fix a bug I introduced in Rev. 1.21 that prevented 'whois
 test' from working.

Reviewed by:	des
Approved by:	des
---
 usr.bin/whois/whois.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/usr.bin/whois/whois.c b/usr.bin/whois/whois.c
index 6fd7e1cb8ed..4115f4434e6 100644
--- a/usr.bin/whois/whois.c
+++ b/usr.bin/whois/whois.c
@@ -193,6 +193,8 @@ choose_server(char *domain)
 		errx(EX_USAGE, "can't search for a null string");
 	while (pos > domain && *pos != '.')
 		--pos;
+	if (pos <= domain)
+		return (NULL);
 	if (isdigit((unsigned char)*++pos))
 		s_asprintf(&retval, "%s", ANICHOST);
 	else