From 2f531d8db3aa9e7a1bbb9b674b43b9a71a3e4525 Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Mon, 10 Dec 2012 14:43:48 +0100
Subject: [PATCH] QWidget: micro-optimisation

Compare string size before content.

Change-Id: I00f9c6c6cf31148af4807455fa6f6b9254dda9d7
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
---
 src/widgets/kernel/qwidget.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 0ef6b1735b..c2308b780f 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -8259,7 +8259,7 @@ bool QWidget::event(QEvent *event)
 #ifndef QT_NO_PROPERTIES
     case QEvent::DynamicPropertyChange: {
         const QByteArray &propName = static_cast<QDynamicPropertyChangeEvent *>(event)->propertyName();
-        if (!qstrncmp(propName, "_q_customDpi", 12) && propName.length() == 13) {
+        if (propName.length() == 13 && !qstrncmp(propName, "_q_customDpi", 12)) {
             uint value = property(propName.constData()).toUInt();
             if (!d->extra)
                 d->createExtra();