exceptionheap.h

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// -*- C++ -*-

/*

  Heap Layers: An Extensible Memory Allocation Infrastructure
  
  Copyright (C) 2000-2003 by Emery Berger
  http://www.cs.umass.edu/~emery
  emery@cs.umass.edu
  
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#ifndef _EXCEPTION_HEAP
#define _EXCEPTION_HEAP

#include <new>
#include <new.h>

class std::bad_alloc;

namespace HL {

template <class Super>
class ExceptionHeap : public Super {
public:
  inline void * malloc (size_t sz) throw (std::bad_alloc) {
    void * ptr = Super::malloc (sz);
    if (ptr == NULL) {
      throw new std::bad_alloc;
    }
    return ptr;
  }
};


template <class Super>
class CatchExceptionHeap : public Super {
public:
  inline void * malloc (size_t sz) {
    void * ptr;
    try {
      ptr = Super::malloc (sz);
    } catch (std::bad_alloc) {
      ptr = NULL;
    }
    return ptr;
  }
};

};

#endif

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