--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptomgmtlibs/securitycommonutils/inc/nullbuf.h	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,43 @@
+/*
+* 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