From b79aefd3e92552cd560f495b87f651f7e7eca46e Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Sat, 14 Apr 2007 14:32:48 +0000
Subject: [PATCH] Use proper type cast for ctype macro

---
 usr.bin/whois/whois.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.bin/whois/whois.c b/usr.bin/whois/whois.c
index 1412687987ec..c21655625175 100644
--- a/usr.bin/whois/whois.c
+++ b/usr.bin/whois/whois.c
@@ -341,7 +341,7 @@ whois(const char *query, const char *hostname, int flags)
 				    (int)(buf + len - host), host);
 			} else if (strcmp(hostname, ANICHOST) == 0) {
 				for (c = 0; c <= len; c++)
-					buf[c] = tolower((int)buf[c]);
+					buf[c] = tolower((unsigned char)buf[c]);
 				for (i = 0; ip_whois[i] != NULL; i++) {
 					if (strnstr(buf, ip_whois[i], len) !=
 					    NULL) {