Leaked source code of windows server 2003
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109 lines
3.2 KiB

// xmemory internal header (from <memory>)
#ifndef _XMEMORY_
#define _XMEMORY_
#include <cstdlib>
#include <new>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
#include <utility>
#ifndef _FARQ /* specify standard memory model */
#define _FARQ
#define _PDFT ptrdiff_t
#define _SIZT size_t
#endif
#define _POINTER_X(T, A) T _FARQ *
#define _REFERENCE_X(T, A) T _FARQ &
_STD_BEGIN
// TEMPLATE FUNCTION _Allocate
template<class _Ty> inline
_Ty _FARQ *_Allocate(_PDFT _N, _Ty _FARQ *)
{if (_N < 0)
_N = 0;
return ((_Ty _FARQ *)operator new(
(_SIZT)_N * sizeof (_Ty))); }
// TEMPLATE FUNCTION _Construct
template<class _T1, class _T2> inline
void _Construct(_T1 _FARQ *_P, const _T2& _V)
{new ((void _FARQ *)_P) _T1(_V); }
// TEMPLATE FUNCTION _Destroy
template<class _Ty> inline
void _Destroy(_Ty _FARQ *_P)
{(void *)_P; _DESTRUCTOR(_Ty, _P); }
inline void _Destroy(char _FARQ *_P)
{(void *)_P;}
inline void _Destroy(wchar_t _FARQ *_P)
{(void *)_P;}
// TEMPLATE CLASS allocator
template<class _Ty>
class allocator {
public:
typedef _SIZT size_type;
typedef _PDFT difference_type;
typedef _Ty _FARQ *pointer;
typedef const _Ty _FARQ *const_pointer;
typedef _Ty _FARQ& reference;
typedef const _Ty _FARQ& const_reference;
typedef _Ty value_type;
pointer address(reference _X) const
{return (&_X); }
const_pointer address(const_reference _X) const
{return (&_X); }
pointer allocate(size_type _N, const void *)
{return (_Allocate((difference_type)_N, (pointer)0)); }
char _FARQ *_Charalloc(size_type _N)
{return (_Allocate((difference_type)_N,
(char _FARQ *)0)); }
void deallocate(void _FARQ *_P, size_type)
{operator delete(_P); }
void construct(pointer _P, const _Ty& _V)
{_Construct(_P, _V); }
void destroy(pointer _P)
{_Destroy(_P); }
_SIZT max_size() const
{_SIZT _N = (_SIZT)(-1) / sizeof (_Ty);
return (0 < _N ? _N : 1); }
};
template<class _Ty, class _U> inline
bool operator==(const allocator<_Ty>&, const allocator<_U>&)
{return (true); }
template<class _Ty, class _U> inline
bool operator!=(const allocator<_Ty>&, const allocator<_U>&)
{return (false); }
// CLASS allocator<void>
template<> class _CRTIMP allocator<void> {
public:
typedef void _Ty;
typedef _Ty _FARQ *pointer;
typedef const _Ty _FARQ *const_pointer;
typedef _Ty value_type;
};
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _XMEMORY_ */
/*
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
*/
/*
* This file is derived from software bearing the following
* restrictions:
*
* 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.
*/