Long live Qt 4.5!

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diff --git a/src/network/kernel/qnetworkinterface_p.h b/src/network/kernel/qnetworkinterface_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNETWORKINTERFACEPRIVATE_H
+#define QNETWORKINTERFACEPRIVATE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qatomic.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qreadwritelock.h>
+#include <QtCore/qstring.h>
+#include <QtNetwork/qhostaddress.h>
+#include <QtNetwork/qabstractsocket.h>
+#include <private/qhostaddress_p.h>
+
+#ifndef QT_NO_NETWORKINTERFACE
+
+QT_BEGIN_NAMESPACE
+
+class QNetworkAddressEntryPrivate
+{
+public:
+    QHostAddress address;
+    QNetmaskAddress netmask;
+    QHostAddress broadcast;
+};
+
+class QNetworkInterfacePrivate: public QSharedData
+{
+public:
+    QNetworkInterfacePrivate() : index(0), flags(0)
+    { }
+    ~QNetworkInterfacePrivate()
+    { }
+
+    int index;                  // interface index, if know
+    QNetworkInterface::InterfaceFlags flags;
+
+    QString name;
+    QString friendlyName;
+    QString hardwareAddress;
+
+    QList<QNetworkAddressEntry> addressEntries;
+
+    static QString makeHwAddress(int len, uchar *data);
+
+private:
+    // disallow copying -- avoid detaching
+    QNetworkInterfacePrivate &operator=(const QNetworkInterfacePrivate &other);
+    QNetworkInterfacePrivate(const QNetworkInterfacePrivate &other);
+};
+
+class QNetworkInterfaceManager
+{
+public:
+    QNetworkInterfaceManager();
+    ~QNetworkInterfaceManager();
+
+    QSharedDataPointer<QNetworkInterfacePrivate> interfaceFromName(const QString &name);
+    QSharedDataPointer<QNetworkInterfacePrivate> interfaceFromIndex(int index);
+    QList<QSharedDataPointer<QNetworkInterfacePrivate> > allInterfaces();
+
+    // convenience:
+    QSharedDataPointer<QNetworkInterfacePrivate> empty;
+
+private:
+    QList<QNetworkInterfacePrivate *> scan();
+};
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_NETWORKINTERFACE
+
+#endif