--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/version1/mbufmgr/src/MB_MARK.CPP	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,119 @@
+// Copyright (c) 1997-2009 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:
+// Packet Info Headers
+// 
+//
+
+#include <nifmbuf.h>
+
+EXPORT_C TMBufMark::TMBufMark()
+	{
+	iMBuf = NULL;
+	iPtr = 0;
+	iOffset = -1;
+	}
+
+EXPORT_C TMBufMark::TMBufMark(const TMBufMark& aParser)
+	{
+	iMBuf = aParser.iMBuf;
+	iPtr = aParser.iPtr;
+	iOffset = aParser.iOffset;
+	}
+
+EXPORT_C TMBufMark::TMBufMark(const RMBufChain& aChain, TInt aOffset/*=0*/)
+	{
+	Set(aChain, aOffset);
+	}
+
+EXPORT_C void TMBufMark::Set(const RMBufChain& aChain, TInt aOffset)
+	{
+	iOffset = aOffset;
+	if (aOffset!=0)
+		{
+		TInt n, o;
+		aChain.Goto(aOffset, iMBuf, o, n);
+		iPtr = o-iMBuf->Offset();
+		}
+	else
+		{
+		iMBuf = (RMBuf*)aChain.First();
+		iPtr = 0;
+		}
+	}
+
+EXPORT_C void TMBufMark::Skip(TInt aLength)
+//
+// Skip over data
+//
+	{
+	while (aLength>0 && iMBuf!=NULL)
+		{
+		TInt n = Min(iMBuf->Length()-iPtr, aLength);
+		aLength -= n;		
+		iOffset += n;
+		iPtr += n;
+		if (iPtr>iMBuf->Length())
+			{
+			iPtr = 0;
+			iMBuf = iMBuf->Next();
+			}
+		}
+	}
+
+EXPORT_C void TMBufMark::Get(TDes8& aBuf)
+//
+// Get data into a descriptor
+//
+	{
+	TInt len = aBuf.Length();
+	TUint8* ptr = (TUint8*)aBuf.Ptr();
+	
+	while (len>0 && iMBuf!=NULL)
+		{
+		TInt n = Min(iMBuf->Length()-iPtr, len);
+		Mem::Copy(ptr, iMBuf->Ptr()+iPtr, n);
+		len -= n;		
+		ptr += n;
+		iOffset += n;
+		iPtr += n;
+		if (iPtr>iMBuf->Length())
+			{
+			iPtr = 0;
+			iMBuf = iMBuf->Next();
+			}
+		}
+	if (len>0)
+		aBuf.SetLength(aBuf.Length()-len);
+	}
+
+EXPORT_C void TMBufMark::Get(TUint8* aPtr, TInt aLen)
+//
+// Get data into a buffer
+//
+	{
+	while (aLen>0 && iMBuf!=NULL)
+		{
+		TInt n = Min(iMBuf->Length()-iPtr, aLen);
+		Mem::Copy(aPtr, iMBuf->Ptr()+iPtr, n);
+		aLen -= n;		
+		aPtr += n;
+		iOffset += n;
+		iPtr += n;
+		if (iPtr>iMBuf->Length())
+			{
+			iPtr = 0;
+			iMBuf = iMBuf->Next();
+			}
+		}
+	}