// 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);

	}