// 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);

 	}