From 1f07432927838fcc09e39e8f89aad11ea2d90a76 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Sun, 16 Apr 2006 09:12:27 +0000
Subject: Fixed evil longstanding bug in String::toLowercase & toUppercase:
 Before modifying the string content, make sure we do not share it with any
 other string). This should help (hopefully fix) bug #1470892

svn-id: r21931
---
 common/str.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/str.cpp b/common/str.cpp
index 05be3b9e6b..47dd6eef8c 100644
--- a/common/str.cpp
+++ b/common/str.cpp
@@ -216,6 +216,7 @@ void String::toLowercase() {
 	if (_str == 0 || _len == 0)
 		return;
 
+	ensureCapacity(_len, true);
 	for (int i = 0; i < _len; ++i)
 		_str[i] = tolower(_str[i]);
 }
@@ -224,6 +225,7 @@ void String::toUppercase() {
 	if (_str == 0 || _len == 0)
 		return;
 
+	ensureCapacity(_len, true);
 	for (int i = 0; i < _len; ++i)
 		_str[i] = toupper(_str[i]);
 }
-- 
cgit v1.2.3