From 9b2a29660bc3b9b7f2ee8df52f7d7a46e20247dc Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Thu, 12 Jan 2012 16:28:03 +0000
Subject: Sanitize usage of <ctype.h> functions. It's important that characters
 are passed zero-extended, not sign-extended [from HEAD]. PR: 2682

---
 apps/ca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'apps/ca.c')

diff --git a/apps/ca.c b/apps/ca.c
index 33e2391028..2a83d1936e 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -2560,7 +2560,7 @@ static int get_certificate_status(const char *serial, CA_DB *db)
 			
 	/* Make it Upper Case */
 	for (i=0; row[DB_serial][i] != '\0'; i++)
-		row[DB_serial][i] = toupper(row[DB_serial][i]);
+		row[DB_serial][i] = toupper((unsigned char)row[DB_serial][i]);
 	
 
 	ok=1;
-- 
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