From 40425ea53e2fafcfc3fe8357459da1a083660657 Mon Sep 17 00:00:00 2001
From: Liang Qi <liang.qi@nokia.com>
Date: Mon, 16 May 2011 10:48:05 +0200
Subject: Fix a regression in QList::mid()

It doesn't need to copy anything when pos is after size().

Task-number: QTBUG-19164
Reviewed-by: Oswald Buddenhagen
(cherry picked from commit 8befc4982a32752e48c82cacbed045e7336a3569)

Change-Id: Iccac75842616f0d41e457e844a15d1a3ccfeb642
Reviewed-on: http://codereview.qt.nokia.com/164
Reviewed-by: Liang Qi <liang.qi@nokia.com>
---
 src/corelib/tools/qlist.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/corelib')

diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index e6f041fe3c..4eb05d63b6 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -641,6 +641,8 @@ Q_OUTOFLINE_TEMPLATE QList<T> QList<T>::mid(int pos, int alength) const
     if (pos == 0 && alength == size())
         return *this;
     QList<T> cpy;
+    if (alength <= 0)
+        return cpy;
     cpy.reserve(alength);
     cpy.d->end = alength;
     QT_TRY {
-- 
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