// 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:

 // bootldr\inc\unzip.h

 // 

 //

 #ifndef __UNZIP_H__

 #define __UNZIP_H__

 #include <e32cmn.h>

 #include <f32file.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, RFile &aBootFile);

 GLREF_C TInt ReadInputData(TUint8* aDest, TInt& aLength);

 GLREF_C TInt UnzipComplete(TZipInfo& a, TUint8* aOutPtr, TInt aError);

 #endif