--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/INC/vjcomp.inl	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,54 @@
+// Copyright (c) 2003-2009 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:
+//
+
+#if !defined(__VJCOMP_INL_)
+#define __VJCOMP_INL_
+
+/**
+Tests if the delta value is compressible into the 16 bit VJ delta format.
+The aDelta value actually needs a 33 bit signed integer to hold the entire
+possible range, but the twos complement math works out if it's just
+stored as a 32 bit unsigned integer.
+
+@param aDelta Delta value to test
+
+@return ETrue if the value is compressible
+*/
+inline TBool CVJCompressor::IsDeltaCompressible(TUint32 aDelta) const
+	{
+	// This test is a faster equivalent to:
+	//    (aDelta >= 0) && (aDelta <= 0xffff)
+	// if aDelta were signed
+	return !(aDelta & 0xffff0000);
+	}
+
+
+inline TUint8* CVJCompressor::GetTCPOpts(ThdrTCP* aTCPHeader) const
+/**
+Returns a pointer to the start of the TCP options (if there are any).
+
+@param aTCPHeader TCP header
+
+@return Start of the TCP options
+*/
+	{
+	TUint8* aPtr = (TUint8*)aTCPHeader+KTCPHeaderSize;
+	return aPtr;
+	}
+
+
+
+#endif // __VJCOMP_INL_
+