--- a/src/corelib/kernel/qvariant.cpp Tue Feb 02 00:43:10 2010 +0200
+++ b/src/corelib/kernel/qvariant.cpp Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
@@ -466,9 +466,13 @@
* QMetaType::VoidStar, QMetaType::QObjectStar and so forth, is that it wouldn't include
* user defined pointer types. */
const char *const typeName = QMetaType::typeName(a->type);
- if (typeName[qstrlen(typeName) - 1] == '*')
+ uint typeNameLen = qstrlen(typeName);
+ if (typeNameLen > 0 && typeName[typeNameLen - 1] == '*')
return *static_cast<void *const *>(a_ptr) == *static_cast<void *const *>(b_ptr);
+ if (a->is_null && b->is_null)
+ return true;
+
return a_ptr == b_ptr;
}