1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptomgmtlibs/securitycommonutils/inc/nullstream.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,42 @@
     1.4 +/*
     1.5 +* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* A write stream that throws away all its input, but keeps track of how many
    1.19 +* bytes have been written to it.	It is used for determining the amount of
    1.20 +* memory needed to store externalised objects.
    1.21 +*
    1.22 +*/
    1.23 +
    1.24 +
    1.25 +/**
    1.26 + @file
    1.27 + @internalTechnology
    1.28 + @released
    1.29 +*/
    1.30 +#ifndef __NULLSTREAM_H__
    1.31 +#define __NULLSTREAM_H__
    1.32 +#include <e32base.h>
    1.33 +#include <s32strm.h>
    1.34 +#include <scs/nullbuf.h>
    1.35 +
    1.36 +NONSHARABLE_CLASS(RNullWriteStream) : public RWriteStream
    1.37 +	{
    1.38 +public:
    1.39 +	IMPORT_C RNullWriteStream();
    1.40 +	IMPORT_C TUint BytesWritten();
    1.41 +private:
    1.42 +	TNullBuf iSink;
    1.43 +	};
    1.44 +
    1.45 +#endif