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// xmemory internal header (from <memory>) #pragma once #ifndef _XMEMORY_ #define _XMEMORY_ #include <cstdlib> #include <new> #include <xutility>
#pragma pack(push,8) #pragma warning(push,3)
#pragma warning(disable: 4100)
#ifndef _FARQ /* specify standard memory model */ #define _FARQ #define _PDFT ptrdiff_t #define _SIZT size_t #endif
#define _CPOINTER_X(T, A) \ typename A::_TEMPLATE_MEMBER rebind<T>::other::const_pointer #define _CREFERENCE_X(T, A) \ typename A::_TEMPLATE_MEMBER rebind<T>::other::const_reference #define _POINTER_X(T, A) \ typename A::_TEMPLATE_MEMBER rebind<T>::other::pointer #define _REFERENCE_X(T, A) \ typename A::_TEMPLATE_MEMBER rebind<T>::other::reference
_STD_BEGIN // TEMPLATE FUNCTION _Allocate template<class _Ty> inline _Ty _FARQ *_Allocate(_SIZT _Count, _Ty _FARQ *) { // allocate storage for _Count elements of type _Ty return ((_Ty _FARQ *)operator new(_Count * sizeof (_Ty))); }
// TEMPLATE FUNCTION _Construct template<class _T1, class _T2> inline void _Construct(_T1 _FARQ *_Ptr, const _T2& _Val) { // construct object at _Ptr with value _Val new ((void _FARQ *)_Ptr) _T1(_Val); }
// TEMPLATE FUNCTION _Destroy template<class _Ty> inline void _Destroy(_Ty _FARQ *_Ptr) { // destroy object at _Ptr _DESTRUCTOR(_Ty, _Ptr); }
template<> inline void _Destroy(char _FARQ *) { // destroy a char (do nothing) }
template<> inline void _Destroy(wchar_t _FARQ *) { // destroy a wchar_t (do nothing) } #ifdef _CRTBLD_NATIVE_WCHAR_T template<> inline void _Destroy(unsigned short _FARQ *) { // destroy a unsigned short (do nothing) } #endif
// TEMPLATE CLASS allocator template<class _Ty> class allocator { // generic allocator for objects of class _Ty 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;
template<class _Other> struct rebind { // convert an allocator<_Ty> to an allocator <_Other> typedef allocator<_Other> other; };
pointer address(reference _Val) const { // return address of mutable _Val return (&_Val); }
const_pointer address(const_reference _Val) const { // return address of nonmutable _Val return (&_Val); }
allocator() { // construct default allocator (do nothing) }
allocator(const allocator<_Ty>&) { // construct by copying (do nothing) }
template<class _Other> allocator(const allocator<_Other>&) { // construct from a related allocator (do nothing) }
template<class _Other> allocator<_Ty>& operator=(const allocator<_Other>&) { // assign from a related allocator (do nothing) return (*this); }
pointer allocate(size_type _Count, const void *) { // allocate array of _Count elements, ignore hint return (_Allocate(_Count, (pointer)0)); }
pointer allocate(size_type _Count) { // allocate array of _Count elements return (_Allocate(_Count, (pointer)0)); }
void deallocate(pointer _Ptr, size_type) { // deallocate object at _Ptr, ignore size operator delete(_Ptr); }
void construct(pointer _Ptr, const _Ty& _Val) { // construct object at _Ptr with value _Val _Construct(_Ptr, _Val); }
void destroy(pointer _Ptr) { // destroy object at _Ptr _Destroy(_Ptr); }
_SIZT max_size() const { // estimate maximum array size _SIZT _Count = (_SIZT)(-1) / sizeof (_Ty); return (0 < _Count ? _Count : 1); } };
// allocator TEMPLATE OPERATORS template<class _Ty, class _Other> inline bool operator==(const allocator<_Ty>&, const allocator<_Other>&) { // test for allocator equality (always true) return (true); }
template<class _Ty, class _Other> inline bool operator!=(const allocator<_Ty>&, const allocator<_Other>&) { // test for allocator inequality (always false) return (false); }
// CLASS allocator<void> template<> class _CRTIMP2 allocator<void> { // generic allocator for type void public: typedef void _Ty; typedef _Ty _FARQ *pointer; typedef const _Ty _FARQ *const_pointer; typedef _Ty value_type;
template<class _Other> struct rebind { // convert an allocator<void> to an allocator <_Other> typedef allocator<_Other> other; };
allocator() { // construct default allocator (do nothing) }
allocator(const allocator<_Ty>&) { // construct by copying (do nothing) }
template<class _Other> allocator(const allocator<_Other>&) { // construct from related allocator (do nothing) }
template<class _Other> allocator<_Ty>& operator=(const allocator<_Other>&) { // assign from a related allocator (do nothing) return (*this); } };
// TEMPLATE FUNCTION _Destroy_range template<class _Ty, class _Alloc> inline void _Destroy_range(_Ty *_First, _Ty *_Last, _Alloc& _Al) { // destroy [_First, _Last) _Destroy_range(_First, _Last, _Al, _Ptr_cat(_First, _Last)); }
template<class _Ty, class _Alloc> inline void _Destroy_range(_Ty *_First, _Ty *_Last, _Alloc& _Al, _Nonscalar_ptr_iterator_tag) { // destroy [_First, _Last), arbitrary type for (; _First != _Last; ++_First) _Al.destroy(_First); }
template<class _Ty, class _Alloc> inline void _Destroy_range(_Ty *_First, _Ty *_Last, _Alloc& _Al, _Scalar_ptr_iterator_tag) { // destroy [_First, _Last), scalar type (do nothing) } _STD_END
#pragma warning(default: 4100) #pragma warning(pop) #pragma pack(pop)
#endif /* _XMEMORY_ */
/* * Copyright (c) 1992-2001 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. V3.10:0009 */
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