Public API Reference

csutil/mempool.h

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/*
    Copyright (C) 2005 by Eric Sunshine <[email protected]>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __CS_CSUTIL_MEMPOOL_H__
#define __CS_CSUTIL_MEMPOOL_H__

#include "cssysdef.h"
#include "csextern.h"
#include "csutil/array.h"

#include "csutil/custom_new_disable.h"

class CS_CRYSTALSPACE_EXPORT csMemoryPool
{
private:
  csArray<uint8*> blocks;
  size_t remaining;
  size_t granularity;

  csMemoryPool(csMemoryPool const&);   // Illegal; unimplemented.
  void operator=(csMemoryPool const&); // Illegal; unimplemented.

public:
  csMemoryPool(size_t gran = 4096) : remaining(0), granularity(gran) {}
  ~csMemoryPool() { Empty(); }

  void* Alloc(size_t);
  void Empty();
  void const* Store(void const*, size_t);
  char const* Store(char const*);
};

inline void* operator new(size_t n, csMemoryPool& p)
{ return p.Alloc(n); }
inline void* operator new(size_t n, csMemoryPool* p)
{ return p->Alloc(n); }
inline void operator delete(void* /*n*/, csMemoryPool& /*p*/) { }
inline void operator delete(void* /*n*/, csMemoryPool* /*p*/) { }
#include "csutil/custom_new_enable.h"

#endif //  __CS_CSUTIL_MEMPOOL_H__

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