Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.
// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:
// e32test\misc\unzip.h
//
//
#ifndef __UNZIP_H__
#define __UNZIP_H__
#include <e32cmn.h>
#ifdef __KERNEL_MODE__
#define MALLOC(x) Kern::Alloc(x)
#define FREE(x) Kern::Free(x)
#define WAIT_FOR_ANY_REQUEST() Kern::WaitForAnyRequest()
#else
#include <e32std.h>
#define MALLOC(x) User::Alloc(x)
#define FREE(x) User::Free(x)
#define WAIT_FOR_ANY_REQUEST() User::WaitForAnyRequest()
#define WAIT_FOR_REQUEST(x) User::WaitForRequest(x)
#define DELAY(x) User::After(x)
#endif
const TInt KZipLocalHeaderLen=30;
const TInt KZipExtHeaderLen=16;
const TUint KZipSignature=0x04034b50u;
const TInt KZipWindowSize=0x8000;
class TZipInfo
{
public:
TInt iFlags;
TInt iMethod;
TUint iCrc;
TInt iCompressedSize;
TInt iUncompressedSize;
TInt iFileNameLength;
TInt iExtraLength;
TInt iNameOffset;
TInt iDataOffset;
TBuf<128> iName;
TUint iInBufSize; // must be a power of 2
volatile TUint iFileBufW;
volatile TUint iFileBufR;
TUint iFileBufSize; // must be a power of 2 and a multiple of iInBufSize
TUint8* iFileBuf;
TRequestStatus iProcessedHeader;
volatile TInt iHeaderDone;
TUint8* iOutBuf;
TInt iRemain;
TInt iThreadHandle;
TRequestStatus iThreadStatus;
};
GLREF_C void AcceptUnzippedBlock(TZipInfo& aInfo, TUint8*& aOutPtr, TInt aError);
GLREF_C TInt InitInfo(TZipInfo& a);
GLREF_C TInt UnzipThread(TAny* aInfo);
GLREF_C TInt ReadBlockToBuffer(TZipInfo& a);
GLREF_C TInt ReadInputData(TUint8* aDest, TInt& aLength);
GLREF_C TInt UnzipComplete(TZipInfo& a, TUint8* aOutPtr, TInt aError);
#endif