/*

 * 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