diff -r 000000000000 -r bde4ae8d615e os/persistentdata/persistentstorage/sql/SRC/Client/IPC/IPCBuf.inl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/persistentstorage/sql/SRC/Client/IPC/IPCBuf.inl	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,79 @@
+// Copyright (c) 2005-2009 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:
+// Sets the read position.
+// 
+//
+
+inline void HIpcBuf::SetPos(TRead, TInt aPos)
+	{
+	iRPos = aPos;
+	}
+
+/**
+Sets the write position.
+*/
+inline void HIpcBuf::SetPos(TWrite, TInt aPos)
+	{
+	iWPos = aPos;
+	}
+
+/**
+@return Read position
+*/
+inline TInt HIpcBuf::Pos(TRead) const
+	{
+	return iRPos;
+	}
+
+/**
+@return Write position
+*/
+inline TInt HIpcBuf::Pos(TWrite) const
+	{
+	return iWPos;
+	}
+
+/**
+Moves the read position.
+*/
+inline TInt HIpcBuf::MovePos(TRead, TInt aOffset)
+	{
+	return iRPos += aOffset;
+	}
+
+/**
+@return The difference between read and write positions.
+*/
+inline TInt HIpcBuf::Lag(TRead) const
+	{
+	return Ptr(ERead) - End(ERead);
+	}
+
+/**
+@return The difference between the write position and the beginning of the buffer.
+*/
+inline TInt HIpcBuf::Lag(TWrite) const
+	{
+	return Ptr(EWrite) - iBuf.iData;
+	}
+
+inline TInt HIpcBuf::Mark(TRead) const
+	{
+	return Pos(ERead) + Lag(ERead);
+	}
+
+inline TInt HIpcBuf::Mark(TWrite) const
+	{
+	return Pos(EWrite) + Lag(EWrite);
+	}