From 26ac91c832c2a8db1327e24e6ff88eef82cc4530 Mon Sep 17 00:00:00 2001
From: Anton Kudryavtsev <a.kudryavtsev@netris.ru>
Date: Wed, 19 Oct 2016 12:59:18 +0300
Subject: qwindowsdirect2dintegration.cpp: replace QVector with QVarLengthArray

QVector was used as just RAII for local array. It's inefficient usage
of CoW type. So use QVarLengthArray instead.

Change-Id: I494ecc49af9049569a65e258581137bad3ce7dc7
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
---
 src/plugins/platforms/direct2d/qwindowsdirect2dintegration.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/platforms/direct2d/qwindowsdirect2dintegration.cpp b/src/plugins/platforms/direct2d/qwindowsdirect2dintegration.cpp
index 1d24247d75..da4a4e6ce6 100644
--- a/src/plugins/platforms/direct2d/qwindowsdirect2dintegration.cpp
+++ b/src/plugins/platforms/direct2d/qwindowsdirect2dintegration.cpp
@@ -52,6 +52,8 @@
 #include <QtGui/qpa/qwindowsysteminterface.h>
 #include <QtEventDispatcherSupport/private/qwindowsguieventdispatcher_p.h>
 
+#include <QVarLengthArray>
+
 QT_BEGIN_NAMESPACE
 
 class QWindowsDirect2DEventDispatcher : public QWindowsGuiEventDispatcher
@@ -106,7 +108,7 @@ public:
             if (_tcscat_s(filename, bufSize, __TEXT("\\d2d1.dll")) == 0) {
                 DWORD versionInfoSize = GetFileVersionInfoSize(filename, NULL);
                 if (versionInfoSize) {
-                    QVector<BYTE> info(versionInfoSize);
+                    QVarLengthArray<BYTE> info(versionInfoSize);
                     if (GetFileVersionInfo(filename, NULL, versionInfoSize, info.data())) {
                         UINT size;
                         DWORD *fi;
-- 
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