--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/datatypes/src/tmtptypenull.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,76 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+/**
+ @file
+ @publishedPartner
+*/
+
+#include <mtp/mtpdatatypeconstants.h>
+#include <mtp/tmtptypenull.h>
+
+#include "mtpdatatypespanic.h"
+
+/**
+Default constructor.
+*/
+EXPORT_C TMTPTypeNull::TMTPTypeNull() :
+	iNullBuffer(NULL, 0, 0)
+    {
+    }
+
+/**
+Sets the data sink buffer to be used in write data stream operations.
+@param aBuffer The data sink buffer.
+*/
+    
+EXPORT_C void TMTPTypeNull::SetBuffer(const TDes8& aBuffer)
+	{
+	iNullBuffer.Set(aBuffer.MidTPtr(0));
+	}
+    
+EXPORT_C TInt TMTPTypeNull::FirstReadChunk(TPtrC8& aChunk) const
+    {
+    aChunk.Set(KNullDesC8);
+    return KMTPChunkSequenceCompletion;
+    }
+    
+EXPORT_C TInt TMTPTypeNull::NextReadChunk(TPtrC8& aChunk) const
+    {
+    aChunk.Set(KNullDesC8);
+    return KErrNotReady;
+    }
+    
+EXPORT_C TInt TMTPTypeNull::FirstWriteChunk(TPtr8& aChunk)
+    {
+    aChunk.Set(&iNullBuffer[0], 0, iNullBuffer.MaxLength());
+    return KErrNone;
+    }
+    
+EXPORT_C TInt TMTPTypeNull::NextWriteChunk(TPtr8& aChunk)
+	{
+    aChunk.Set(&iNullBuffer[0], 0, iNullBuffer.MaxLength());
+    return KErrNone;
+    }
+    
+EXPORT_C TUint64 TMTPTypeNull::Size() const
+    {
+    return 0;
+    }
+
+EXPORT_C TUint TMTPTypeNull::Type() const
+    {
+    return EMTPTypeUndefined;        
+    }