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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef COMMON_MEMORYPOOL_H
#define COMMON_MEMORYPOOL_H

#include "common/scummsys.h"
#include "common/array.h"

namespace Common {

class MemoryPool {
private:
	MemoryPool(const MemoryPool&);
	MemoryPool& operator=(const MemoryPool&);

	size_t			_chunkSize;
	Array<void*>	_pages;
	void*			_next;

	void*	allocPage();
	bool	isPointerInPage(void* ptr, void* page);
public:
	MemoryPool(size_t chunkSize);
	~MemoryPool();

	void*	malloc();
	void 	free(void* ptr);

	void	freeUnusedPages();
};

}	// End of namespace Common

#endif