/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* Implementation of the MStreamBuf interface that throws away all

* data written to it but keeps track of how many bytes have been

* written to it.  It does not support reading.

*

*/

/**

 @file

 @internalTechnology

 @released

*/

#ifndef __NULLBUF_H__

#define __NULLBUF_H__

#include <e32base.h>

#include <s32buf.h>

NONSHARABLE_CLASS(TNullBuf) : public MStreamBuf

	{

public:

	IMPORT_C TNullBuf();

	IMPORT_C TUint BytesWritten();

private:

	// Implement MStreamBuf vritual

	virtual void DoWriteL(const TAny* aPtr,TInt aLength);

private:

	TUint iBytesWritten;

	};

#endif