From 67d5e1e4ca79d86c8beedc8709efb27f83295443 Mon Sep 17 00:00:00 2001
From: Matthias Andree <matthias.andree@gmx.de>
Date: Sat, 19 Jun 2004 01:44:56 +0000
Subject: Cast arguments of is*() ctype.h functions to unsigned char to be
 8-bit safe.

svn path=/trunk/; revision=3903
---
 pop3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'pop3.c')

diff --git a/pop3.c b/pop3.c
index fc574f64..1a74715a 100644
--- a/pop3.c
+++ b/pop3.c
@@ -148,7 +148,7 @@ static int pop3_ok (int sock, char *argbuf)
 	else
 	    return(PS_PROTOCOL);
 
-	while (isalpha(*bufp))
+	while (isalpha((unsigned char)*bufp))
 	    bufp++;
 
 	if (*bufp)
-- 
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