From 292c01d890725cb5dc1018abbee262ed03013293 Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Tue, 18 Mar 2014 00:55:25 +0400
Subject: Fixed get_browser()

---
 ext/standard/browscap.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/ext/standard/browscap.c b/ext/standard/browscap.c
index 0ce985a1db..e4d3c564c7 100644
--- a/ext/standard/browscap.c
+++ b/ext/standard/browscap.c
@@ -81,19 +81,20 @@ static void convert_browscap_pattern(zval *pattern, int persistent) /* {{{ */
 	int i, j=0;
 	char *t;
 	zend_string *res;
+	char *lc_pattern;
 
 	// TODO: overflow check???
 //???	t = (char *) safe_pemalloc(Z_STRLEN_P(pattern), 2, 5, persistent);
 	res = STR_ALLOC(Z_STRLEN_P(pattern) * 2 + 5, persistent);
 	t = res->val;
 
-	php_strtolower(Z_STRVAL_P(pattern), Z_STRLEN_P(pattern));
+	lc_pattern = zend_str_tolower_dup(Z_STRVAL_P(pattern), Z_STRLEN_P(pattern));
 
 	t[j++] = '\xA7'; /* section sign */
 	t[j++] = '^';
 
 	for (i=0; i<Z_STRLEN_P(pattern); i++, j++) {
-		switch (Z_STRVAL_P(pattern)[i]) {
+		switch (lc_pattern[i]) {
 			case '?':
 				t[j] = '.';
 				break;
@@ -122,7 +123,7 @@ static void convert_browscap_pattern(zval *pattern, int persistent) /* {{{ */
 				t[j] = '\xA7';
 				break;
 			default:
-				t[j] = Z_STRVAL_P(pattern)[i];
+				t[j] = lc_pattern[i];
 				break;
 		}
 	}
@@ -133,6 +134,7 @@ static void convert_browscap_pattern(zval *pattern, int persistent) /* {{{ */
 	t[j]=0;
 	res->len = j;
 	Z_STR_P(pattern) = res;
+	efree(lc_pattern);
 }
 /* }}} */
 
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