From 7ee1fc4c298575ee7f93a6b4c62faf79edffb5cb Mon Sep 17 00:00:00 2001
From: Anton Kudryavtsev <a.kudryavtsev@netris.ru>
Date: Sun, 24 Jan 2016 16:57:08 +0300
Subject: QMimeData: use reserve in formats()

... to optimize memory allocation.

Change-Id: I039a6de6f97858f339b83ca7e3e361963eaa61ee
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
---
 src/corelib/kernel/qmimedata.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/corelib/kernel/qmimedata.cpp b/src/corelib/kernel/qmimedata.cpp
index 6b1e4d4426..84e680dbd9 100644
--- a/src/corelib/kernel/qmimedata.cpp
+++ b/src/corelib/kernel/qmimedata.cpp
@@ -628,7 +628,9 @@ QStringList QMimeData::formats() const
 {
     Q_D(const QMimeData);
     QStringList list;
-    for (int i=0; i<d->dataList.size(); i++)
+    const int size = d->dataList.size();
+    list.reserve(size);
+    for (int i = 0; i < size; ++i)
         list += d->dataList.at(i).format;
     return list;
 }
-- 
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