sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // bootldr\inc\unzip.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __UNZIP_H__
sl@0: #define __UNZIP_H__
sl@0: #include <e32cmn.h>
sl@0: #include <f32file.h>
sl@0: 
sl@0: #ifdef __KERNEL_MODE__
sl@0: #define	MALLOC(x)				Kern::Alloc(x)
sl@0: #define	FREE(x)					Kern::Free(x)
sl@0: #define WAIT_FOR_ANY_REQUEST()	Kern::WaitForAnyRequest()
sl@0: #else
sl@0: #include <e32std.h>
sl@0: #define	MALLOC(x)				User::Alloc(x)
sl@0: #define	FREE(x)					User::Free(x)
sl@0: #define WAIT_FOR_ANY_REQUEST()	User::WaitForAnyRequest()
sl@0: #define	WAIT_FOR_REQUEST(x)		User::WaitForRequest(x)
sl@0: #define DELAY(x)				User::After(x)
sl@0: #endif
sl@0: 
sl@0: const TInt KZipLocalHeaderLen=30;
sl@0: const TInt KZipExtHeaderLen=16;
sl@0: const TUint KZipSignature=0x04034b50u;
sl@0: const TInt KZipWindowSize=0x8000;
sl@0: 
sl@0: class TZipInfo
sl@0: 	{
sl@0: public:
sl@0: 	TInt iFlags;
sl@0: 	TInt iMethod;
sl@0: 	TUint iCrc;
sl@0: 	TInt iCompressedSize;
sl@0: 	TInt iUncompressedSize;
sl@0: 	TInt iFileNameLength;
sl@0: 	TInt iExtraLength;
sl@0: 	TInt iNameOffset;
sl@0: 	TInt iDataOffset;
sl@0: 	TBuf<128> iName;
sl@0: 	TUint iInBufSize;				// must be a power of 2
sl@0: 	volatile TUint iFileBufW;
sl@0: 	volatile TUint iFileBufR;
sl@0: 	TUint iFileBufSize;				// must be a power of 2 and a multiple of iInBufSize
sl@0: 	TUint8* iFileBuf;
sl@0: 	TRequestStatus iProcessedHeader;
sl@0: 	volatile TInt iHeaderDone;
sl@0: 	TUint8* iOutBuf;
sl@0: 	TInt iRemain;
sl@0: 	TInt iThreadHandle;
sl@0: 	TRequestStatus iThreadStatus;
sl@0: 	};
sl@0: 
sl@0: GLREF_C void AcceptUnzippedBlock(TZipInfo& aInfo, TUint8*& aOutPtr, TInt aError);
sl@0: GLREF_C TInt InitInfo(TZipInfo& a);
sl@0: GLREF_C TInt UnzipThread(TAny* aInfo);
sl@0: GLREF_C TInt ReadBlockToBuffer(TZipInfo& a, RFile &aBootFile);
sl@0: GLREF_C TInt ReadInputData(TUint8* aDest, TInt& aLength);
sl@0: GLREF_C TInt UnzipComplete(TZipInfo& a, TUint8* aOutPtr, TInt aError);
sl@0: #endif