--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/securityanddataprivacytools/securitytools/certapp/store--/s32buf.h	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,75 @@
+#ifndef __S32BUF_H__
+#define __S32BUF_H__/*
+* Copyright (c) 2008-2009 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: 
+*
+*/
+
+
+#include <e32base.h>
+#include <fstream>
+
+/**
+ * @file
+ * @internalComponent
+ */
+
+enum TStreamLocation 
+	/** The seek position is calculated relative to the beginning of the 
+	stream.*/
+	{EStreamBeginning,
+	/** The seek position is calculated relative to the end of the stream.*/
+	EStreamMark,
+	/** The seek position is calculated relative to the existing read or 
+	write mark in the stream. */
+	EStreamEnd};
+
+typedef std::streampos TStreamPos;
+
+class MStreamBuf
+	{
+public:
+	// Symbian definition does not have a virtual destructor and relies on DoRelease virtual...
+	// We define one to avoid compiler warnings
+	virtual ~MStreamBuf() {}
+
+	enum TRead {ERead=0x01};
+	enum TWrite {EWrite=0x02};
+	typedef TInt TMark;
+
+	TInt ReadL(TAny *aPtr,TInt aMaxLength);
+	void WriteL(const TUint8* aPtr,TInt aLength);
+
+	void SeekL(TMark aMark,TStreamPos aPos);
+	TStreamPos SeekL(TMark aMark,TStreamLocation aLocation,TInt anOffset=0);
+	TStreamPos SeekL(TRead,TStreamLocation aLocation,TInt anOffset=0);
+	TStreamPos SeekL(TWrite,TStreamLocation aLocation,TInt anOffset=0);
+	TStreamPos SeekL(TRead,TInt anOffset);
+	TStreamPos SeekL(TWrite,TInt anOffset);
+
+	TStreamPos TellL(TRead) const;
+	TStreamPos TellL(TWrite) const;
+
+	void Close();
+	void Release();
+	void SynchL();
+
+private:
+	virtual TInt DoReadL(TAny *aPtr,TInt aMaxLength) = 0;
+	virtual void DoWriteL(const TUint8* aPtr,TInt aLength) = 0;
+	virtual IMPORT_C TStreamPos DoSeekL(TMark aMark,TStreamLocation aLocation,TInt anOffset);
+
+	virtual void DoRelease();
+	};
+#endif