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authorLiang Qi <liang.qi@nokia.com>2011-05-16 08:48:05 (GMT)
committerLiang Qi <liang.qi@nokia.com>2011-05-16 08:48:05 (GMT)
commit8befc4982a32752e48c82cacbed045e7336a3569 (patch)
treea5fec8f49847c517ca84496ca4b98c347cc06c1a /src/corelib
parentba564e089134980200c1c71879f2474135bee5fa (diff)
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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
Diffstat (limited to 'src/corelib')
-rw-r--r--src/corelib/tools/qlist.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index d30f8b1..97bf5fa 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -628,6 +628,8 @@ 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 {