// Copyright (c) 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:

//

inline RCommsBufChain::RCommsBufChain()

: iNext(NULL)

	{

	}

inline RCommsBufChain::RCommsBufChain(RCommsBuf* aHeadBuf)

: iNext(aHeadBuf)

	{

	}

inline TBool RCommsBufChain::IsEmpty() const

/**

Check if the chain is empty. If empty returns ETrue otherwise EFalse

*/

	{

	return (iNext == NULL);

	}

inline RCommsBuf* RCommsBufChain::First()

/**

Returns the first RCommsBuf in the chain.

*/

	{

	return iNext;	

	}

inline RCommsBuf* RCommsBufChain::Goto(TInt aDataOffset, TInt& aBufDataOffset, TInt& aBufDataLen) const

 /**

Goto specified byte offset into a CommsBuf chain. Used as part of copyin/out, split etc to position

RCommsBuf pointer and offset from start of iBuffer.

@param anOffset The offset

@param resBuf result buffer

@param resOffset result offset

@param resLength result length

@param resPrevBuf result previous RCommsBuf in the chain

@return ETrue if successful

*/

	{

	RCommsBuf* buf;

	return Goto(aDataOffset, aBufDataOffset, aBufDataLen, buf);

	}