author | William Roberts <williamr@symbian.org> |
Wed, 31 Mar 2010 12:27:01 +0100 | |
branch | Symbian2 |
changeset 3 | e1b950c65cb4 |
parent 2 | 2fe1408b6811 |
permissions | -rw-r--r-- |
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Final list of Symbian^2 public API header files
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#if !defined(__VJCOMP_INL_) |
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#define __VJCOMP_INL_ |
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/** |
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Tests if the delta value is compressible into the 16 bit VJ delta format. |
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The aDelta value actually needs a 33 bit signed integer to hold the entire |
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possible range, but the twos complement math works out if it's just |
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stored as a 32 bit unsigned integer. |
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@param aDelta Delta value to test |
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@return ETrue if the value is compressible |
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*/ |
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inline TBool CVJCompressor::IsDeltaCompressible(TUint32 aDelta) const |
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{ |
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// This test is a faster equivalent to: |
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// (aDelta >= 0) && (aDelta <= 0xffff) |
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// if aDelta were signed |
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return !(aDelta & 0xffff0000); |
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} |
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inline TUint8* CVJCompressor::GetTCPOpts(ThdrTCP* aTCPHeader) const |
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/** |
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Returns a pointer to the start of the TCP options (if there are any). |
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@param aTCPHeader TCP header |
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@return Start of the TCP options |
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*/ |
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{ |
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TUint8* aPtr = (TUint8*)aTCPHeader+KTCPHeaderSize; |
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return aPtr; |
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} |
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#endif // __VJCOMP_INL_ |