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diff --git a/src/network/access/qhttpmultipart_p.h b/src/network/access/qhttpmultipart_p.h
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+++ b/src/network/access/qhttpmultipart_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 QHTTPMULTIPART_P_H
+#define QHTTPMULTIPART_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the Network Access API.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qshareddata.h"
+#include "qnetworkrequest_p.h" // for deriving QHttpPartPrivate from QNetworkHeadersPrivate
+#include "private/qobject_p.h"
+
+QT_BEGIN_NAMESPACE
+
+
+class QHttpPartPrivate: public QSharedData, public QNetworkHeadersPrivate
+{
+public:
+    inline QHttpPartPrivate() : bodyDevice(0), headerCreated(false), readPointer(0)
+    {
+    }
+    ~QHttpPartPrivate()
+    {
+    }
+
+
+    QHttpPartPrivate(const QHttpPartPrivate &other)
+        : QSharedData(other), QNetworkHeadersPrivate(other), body(other.body),
+        header(other.header), headerCreated(other.headerCreated), readPointer(other.readPointer)
+    {
+        bodyDevice = other.bodyDevice;
+    }
+
+    inline bool operator==(const QHttpPartPrivate &other) const
+    {
+        return rawHeaders == other.rawHeaders && body == other.body &&
+                bodyDevice == other.bodyDevice && readPointer == other.readPointer;
+    }
+
+    void setBodyDevice(QIODevice *device) {
+        bodyDevice = device;
+        readPointer = 0;
+    }
+    void setBody(const QByteArray &newBody) {
+        body = newBody;
+        readPointer = 0;
+    }
+
+    // QIODevice-style methods called by QHttpMultiPartIODevice (but this class is
+    // not a QIODevice):
+    qint64 bytesAvailable() const;
+    qint64 readData(char *data, qint64 maxSize);
+    qint64 size() const;
+    bool reset();
+
+    QByteArray body;
+    QIODevice *bodyDevice;
+
+private:
+    void checkHeaderCreated() const;
+
+    mutable QByteArray header;
+    mutable bool headerCreated;
+    qint64 readPointer;
+};
+
+
+
+class QHttpMultiPartPrivate;
+
+class Q_AUTOTEST_EXPORT QHttpMultiPartIODevice : public QIODevice
+{
+public:
+    QHttpMultiPartIODevice(QHttpMultiPartPrivate *parentMultiPart) :
+            QIODevice(), multiPart(parentMultiPart), readPointer(0), deviceSize(-1) {
+    }
+
+    ~QHttpMultiPartIODevice() {
+    }
+
+    virtual bool atEnd() const {
+        return readPointer == size();
+    }
+
+    virtual qint64 bytesAvailable() const {
+        return size() - readPointer;
+    }
+
+    virtual void close() {
+        readPointer = 0;
+        partOffsets.clear();
+        deviceSize = -1;
+        QIODevice::close();
+    }
+
+    virtual qint64 bytesToWrite() const {
+        return 0;
+    }
+
+    virtual qint64 size() const;
+    virtual bool isSequential() const;
+    virtual bool reset();
+    virtual qint64 readData(char *data, qint64 maxSize);
+    virtual qint64 writeData(const char *data, qint64 maxSize);
+
+    QHttpMultiPartPrivate *multiPart;
+    qint64 readPointer;
+    mutable QList<qint64> partOffsets;
+    mutable qint64 deviceSize;
+};
+
+
+
+class QHttpMultiPartPrivate: public QObjectPrivate
+{
+public:
+
+    QHttpMultiPartPrivate();
+
+    ~QHttpMultiPartPrivate()
+    {
+        delete device;
+    }
+
+    QList<QHttpPart> parts;
+    QByteArray boundary;
+    QHttpMultiPart::ContentType contentType;
+    QHttpMultiPartIODevice *device;
+
+};
+
+QT_END_NAMESPACE
+
+
+#endif // QHTTPMULTIPART_P_H