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// Backward-compat support -*- C++ -*-

// Copyright (C) 2001 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library 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, 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 General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

/*

 *

 * Copyright (c) 1994

 * Hewlett-Packard Company

 *

 * Permission to use, copy, modify, distribute and sell this software

 * and its documentation for any purpose is hereby granted without fee,

 * provided that the above copyright notice appear in all copies and

 * that both that copyright notice and this permission notice appear

 * in supporting documentation.  Hewlett-Packard Company makes no

 * representations about the suitability of this software for any

 * purpose.  It is provided "as is" without express or implied warranty.

 *

 */

// Inclusion of this file is DEPRECATED.  This is the original HP

// default allocator.  It is provided only for backward compatibility.

// This file WILL BE REMOVED in a future release.

//

// DO NOT USE THIS FILE unless you have an old container implementation

// that requires an allocator with the HP-style interface.

//

// Standard-conforming allocators have a very different interface.  The

// standard default allocator is declared in the header <memory>.

#ifndef _BACKWARD_DEFALLOC_H

#define _BACKWARD_DEFALLOC_H 1

#include "backward_warning.h"

#include "new.h"

#include <stddef.h>

#include <stdlib.h>

#include <limits.h>

#include "iostream.h"

#include "algobase.h"

template <class _Tp>

inline _Tp* allocate(ptrdiff_t __size, _Tp*) {

    set_new_handler(0);

    _Tp* __tmp = (_Tp*)(::operator new((size_t)(__size * sizeof(_Tp))));

    if (__tmp == 0) {

        cerr << "out of memory" << endl;

        exit(1);

    }

    return __tmp;

}

template <class _Tp>

inline void deallocate(_Tp* __buffer) {

    ::operator delete(__buffer);

}

template <class _Tp>

class allocator {

public:

    typedef _Tp value_type;

    typedef _Tp* pointer;

    typedef const _Tp* const_pointer;

    typedef _Tp& reference;

    typedef const _Tp& const_reference;

    typedef size_t size_type;

    typedef ptrdiff_t difference_type;

    pointer allocate(size_type __n) {

        return ::allocate((difference_type)__n, (pointer)0);

    }

    void deallocate(pointer __p) { ::deallocate(__p); }

    pointer address(reference __x) { return (pointer)&__x; }

    const_pointer const_address(const_reference __x) {

        return (const_pointer)&__x;

    }

    size_type init_page_size() {

        return max(size_type(1), size_type(4096/sizeof(_Tp)));

    }

    size_type max_size() const {

        return max(size_type(1), size_type(UINT_MAX/sizeof(_Tp)));

    }

};

class allocator<void> {

public:

    typedef void* pointer;

};

#endif /* _BACKWARD_DEFALLOC_H */