detach when using non-const operator[]

BUG:169389

git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@850657 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

diff --git a/taglib/toolkit/tstring.cpp b/taglib/toolkit/tstring.cpp
index cd274367e6c8b11724a311364a6b0b8703f8d97a..f209d726861bff1c537f408f7d0447d0aa500141 100644 (file)
--- a/taglib/toolkit/tstring.cpp
+++ b/taglib/toolkit/tstring.cpp
@@ -510,6 +510,8 @@ String String::number(int n) // static
 
 TagLib::wchar &String::operator[](int i)
 {
+  detach();
+
   return d->data[i];
 }