// Copyright (c) 1995-2009 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\buffer\t_tbma.h

// 

//

#ifndef __T_TBMA_H__

#define __T_TBMA_H__

#include <e32test.h>

#include <e32atomics.h>

#define TBMA_FAULT()	TBmaFault(__LINE__)

#define __ALLOC(x)		User::Alloc(x)

extern void TBmaFault(TInt aLine);

extern RTest test;

// Copied from klib.h

class TBitMapAllocator

	{

public:

	IMPORT_C static TBitMapAllocator* New(TInt aSize, TBool aState);

	IMPORT_C TBitMapAllocator(TInt aSize, TBool aState);

	inline TInt Avail() const {return iAvail;}

	IMPORT_C TInt Alloc();

	IMPORT_C void Free(TInt aPos);

	IMPORT_C void Alloc(TInt aStart, TInt aLength);

	IMPORT_C void Free(TInt aStart, TInt aLength);

	IMPORT_C void SelectiveFree(TInt aStart, TInt aLength);

	IMPORT_C TBool NotFree(TInt aStart, TInt aLength) const;

	IMPORT_C TBool NotAllocated(TInt aStart, TInt aLength) const;

	IMPORT_C TInt AllocList(TInt aLength, TInt* aList);

	IMPORT_C TInt AllocConsecutive(TInt aLength, TBool aBestFit) const;

	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit) const;

	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit, TInt& aCarry, TInt& aRunLength) const;

	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit, TInt& aCarry, TInt& aRunLength, TUint aOffset) const;

	IMPORT_C void CopyAlignedRange(const TBitMapAllocator* aA, TInt aFirst, TInt aLen);

public:

	TInt iAvail;			/**< @internalComponent */

	TUint32* iCheckFirst;	/**< @internalComponent */

	TInt iSize;				/**< @internalComponent */

	TUint32 iMap[1];		/**< @internalComponent */	// extend

	};

class TBmaList

	{

public:

	static TBmaList* New(TInt aNumBmas);

	static TBmaList* New(const TBitMapAllocator& aBma, TInt aNumSplits, VA_LIST aList);

	TBmaList();

	~TBmaList();

	TInt AllocConsecutiveFF(TInt aLength);

	TInt AllocConsecutiveBF(TInt aLength);

	TInt AllocAlignedFF(TInt aLength, TInt aAlign);

	TInt AllocAlignedBF(TInt aLength, TInt aAlign);

public:

	TInt iNumBmas;

	TBitMapAllocator** iBmaList;

	TInt* iBaseList;

	};

struct SRange

	{

	TInt iBase;

	TInt iLength;

	};

#endif