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memory.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 The ScummVM project
 *
 * 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: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/lure/memory.h $
 * $Id: memory.h 20756 2006-02-19 04:02:01Z dreammaster $
 *
 */

#ifndef __lure_memory_h__
#define __lure_memory_h__

#include "common/stdafx.h"
#include "common/system.h"
#include "common/str.h"

namespace Lure {

class MemoryBlock {
private:
      byte *_data;
      uint32 _size;
public:
      MemoryBlock(uint32 size);
      MemoryBlock(MemoryBlock *src);
      ~MemoryBlock();

      byte *data() { return _data; }
      uint32 size() { return _size; }

      void empty();
      void setBytes(int c, size_t startIndex, size_t num);
      void copyFrom(MemoryBlock *src);
      void copyFrom(MemoryBlock *src, uint32 srcPos, uint32 destPos, uint32 srcLen);
      void copyFrom(const byte *src, uint32 srcPos, uint32 destPos, uint32 srcLen);
      void reallocate(uint32 size);
      void saveToFile(const Common::String &filename);
};

class Memory {
public:
      static MemoryBlock *allocate(uint32 size);
      static MemoryBlock *duplicate(MemoryBlock *src);
      static uint8 *alloc(uint32 size);
      static void dealloc(uint8 *block);
};

} // end of namspace Lure

#endif

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