From: Dmitry Stogov <dmitry@php.net>
Date: Tue, 24 Jun 2008 06:07:08 +0000 (+0000)
Subject: Fixed strtolower/strtoupper to not modify the passed argument
X-Git-Tag: php-5.3.0alpha1~621
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=273ee49acb23bc2081f125c599df9a1e8bef8563;p=php

Fixed strtolower/strtoupper to not modify the passed argument
---

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 916f9e15a7..142e1f4ace 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1291,9 +1291,9 @@ PHP_FUNCTION(strtoupper)
 		return;
 	}
 
-	php_strtoupper(arg, arglen);
-	
-	RETURN_STRINGL(arg, arglen, 1);
+	arg = estrndup(arg, arglen);
+	php_strtoupper(arg, arglen);	
+	RETURN_STRINGL(arg, arglen, 0);
 }
 /* }}} */
 
@@ -1325,8 +1325,9 @@ PHP_FUNCTION(strtolower)
 		return;
 	}
 
+	str = estrndup(str, arglen);
 	php_strtolower(str, arglen);
-	RETURN_STRINGL(str, arglen, 1);
+	RETURN_STRINGL(str, arglen, 0);
 }
 /* }}} */