diff -r 000000000000 -r 1918ee327afb src/corelib/io/qbuffer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/io/qbuffer.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** 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 QtCore 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 QBUFFER_H
+#define QBUFFER_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qbytearray.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QObject;
+class QBufferPrivate;
+
+class Q_CORE_EXPORT QBuffer : public QIODevice
+{
+#ifndef QT_NO_QOBJECT
+    Q_OBJECT
+#endif
+
+public:
+#ifndef QT_NO_QOBJECT
+     explicit QBuffer(QObject *parent = 0);
+     QBuffer(QByteArray *buf, QObject *parent = 0);
+#else
+     QBuffer();
+     explicit QBuffer(QByteArray *buf);
+#endif
+    ~QBuffer();
+
+    QByteArray &buffer();
+    const QByteArray &buffer() const;
+    void setBuffer(QByteArray *a);
+
+    void setData(const QByteArray &data);
+    inline void setData(const char *data, int len);
+    const QByteArray &data() const;
+
+    bool open(OpenMode openMode);
+
+    void close();
+    qint64 size() const;
+    qint64 pos() const;
+    bool seek(qint64 off);
+    bool atEnd() const;
+    bool canReadLine() const;
+
+protected:
+#ifndef QT_NO_QOBJECT
+    void connectNotify(const char*);
+    void disconnectNotify(const char*);
+#endif
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+private:
+    Q_DECLARE_PRIVATE(QBuffer)
+    Q_DISABLE_COPY(QBuffer)
+
+    Q_PRIVATE_SLOT(d_func(), void _q_emitSignals())
+};
+
+inline void QBuffer::setData(const char *adata, int alen)
+{ setData(QByteArray(adata, alen)); }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBUFFER_H