diff -r 000000000000 -r 1918ee327afb src/network/kernel/qhostaddress_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/kernel/qhostaddress_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHOSTADDRESSPRIVATE_H
+#define QHOSTADDRESSPRIVATE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QHostAddress and QNetworkInterface classes.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+#include "qhostaddress.h"
+#include "qabstractsocket.h"
+
+class QNetmaskAddress: public QHostAddress
+{
+    int length;
+public:
+    QNetmaskAddress() : QHostAddress(), length(-1) { }
+
+    bool setAddress(const QString &address);
+    bool setAddress(const QHostAddress &address);
+
+    int prefixLength() const;
+    void setPrefixLength(QAbstractSocket::NetworkLayerProtocol proto, int len);
+};
+
+QT_END_NAMESPACE
+
+#endif