Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

189 lines
5.3 KiB

// memory standard header
#ifndef _MEMORY_
#define _MEMORY_
#include <xmemory>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
// TEMPLATE OPERATOR new
template<class _Ty>
inline void *operator new(size_t _N, std::allocator<_Ty>& _Al)
{return (_Al._Charalloc(_N)); }
_STD_BEGIN
// TEMPLATE FUNCTION get_temporary_buffer
template<class _Ty> inline
pair<_Ty _FARQ *, _PDFT>
get_temporary_buffer(_PDFT _N, _Ty _FARQ *)
{_Ty _FARQ *_P;
for (_P = 0; 0 < _N; _N /= 2)
if ((_P = (_Ty _FARQ *)operator new(
(_SIZT)_N * sizeof (_Ty), nothrow)) != 0)
break;
return (pair<_Ty _FARQ *, _PDFT>(_P, _N)); }
// TEMPLATE FUNCTION return_temporary_buffer
template<class _Ty> inline
void return_temporary_buffer(_Ty *_P)
{operator delete(_P); }
// TEMPLATE FUNCTION uninitialized_copy
template<class _II, class _FI> inline
_FI uninitialized_copy(_II _F, _II _L, _FI _X)
{for (; _F != _L; ++_X, ++_F)
_Construct(&*_X, *_F);
return (_X); }
// TEMPLATE FUNCTION uninitialized_fill
template<class _FI, class _Ty> inline
void uninitialized_fill(_FI _F, _FI _L, const _Ty& _X)
{for (; _F != _L; ++_F)
_Construct(&*_F, _X); }
// TEMPLATE FUNCTION uninitialized_fill_n
template<class _FI, class _S, class _Ty> inline
void uninitialized_fill_n(_FI _F, _S _N, const _Ty& _X)
{for (; 0 < _N; --_N, ++_F)
_Construct(&*_F, _X); }
// TEMPLATE CLASS raw_storage_iterator
template<class _OI, class _Ty>
class raw_storage_iterator
: public iterator<output_iterator_tag, void, void> {
public:
typedef _OI iterator_type;
typedef _Ty element_type;
explicit raw_storage_iterator(_OI _X)
: _Next(_X) {}
raw_storage_iterator<_OI, _Ty>& operator*()
{return (*this); }
raw_storage_iterator<_OI, _Ty>& operator=(const _Ty& _X)
{_Construct(&*_Next, _X);
return (*this); }
raw_storage_iterator<_OI, _Ty>& operator++()
{++_Next;
return (*this); }
raw_storage_iterator<_OI, _Ty> operator++(int)
{raw_storage_iterator<_OI, _Ty> _Ans = *this;
++_Next;
return (_Ans); }
private:
_OI _Next;
};
// TEMPLATE CLASS _Temp_iterator
template<class _Ty>
class _Temp_iterator
: public iterator<output_iterator_tag, void, void> {
public:
typedef _Ty _FARQ *_Pty;
_Temp_iterator(_PDFT _N = 0)
{pair<_Pty, _PDFT> _Pair =
get_temporary_buffer(_N, (_Pty)0);
_Buf._Begin = _Pair.first;
_Buf._Cur = _Pair.first;
_Buf._Hiwater = _Pair.first;
_Buf._Len = _Pair.second;
_Pb = &_Buf; }
_Temp_iterator(const _Temp_iterator<_Ty>& _X)
{_Buf._Begin = 0;
_Buf._Cur = 0;
_Buf._Hiwater = 0;
_Buf._Len = 0;
*this = _X; }
~_Temp_iterator()
{if (_Buf._Begin != 0)
{for (_Pty _F = _Buf._Begin;
_F != _Buf._Hiwater; ++_F)
_Destroy(&*_F);
return_temporary_buffer(_Buf._Begin); }}
_Temp_iterator<_Ty>& operator=(const _Temp_iterator<_Ty>& _X)
{_Pb = _X._Pb;
return (*this); }
_Temp_iterator<_Ty>& operator=(const _Ty& _V)
{if (_Pb->_Cur < _Pb->_Hiwater)
*_Pb->_Cur++ = _V;
else
{_Construct(&*_Pb->_Cur, _V);
_Pb->_Hiwater = ++_Pb->_Cur; }
return (*this); }
_Temp_iterator<_Ty>& operator*()
{return (*this); }
_Temp_iterator<_Ty>& operator++()
{return (*this); }
_Temp_iterator<_Ty>& operator++(int)
{return (*this); }
_Temp_iterator<_Ty>& _Init()
{_Pb->_Cur = _Pb->_Begin;
return (*this); }
_Pty _First() const
{return (_Pb->_Begin); }
_Pty _Last() const
{return (_Pb->_Cur); }
_PDFT _Maxlen() const
{return (_Pb->_Len); }
private:
struct _Bufpar {
_Pty _Begin;
_Pty _Cur;
_Pty _Hiwater;
_PDFT _Len;
} _Buf, *_Pb;
};
// TEMPLATE CLASS auto_ptr
template<class _Ty>
class auto_ptr {
public:
typedef _Ty element_type;
explicit auto_ptr(_Ty *_P = 0) _THROW0()
: _Owns(_P != 0), _Ptr(_P) {}
auto_ptr(const auto_ptr<_Ty>& _Y) _THROW0()
: _Owns(_Y._Owns), _Ptr(_Y.release()) {}
auto_ptr<_Ty>& operator=(const auto_ptr<_Ty>& _Y) _THROW0()
{if (this != &_Y)
{if (_Ptr != _Y.get())
{if (_Owns)
delete _Ptr;
_Owns = _Y._Owns; }
else if (_Y._Owns)
_Owns = true;
_Ptr = _Y.release(); }
return (*this); }
~auto_ptr()
{if (_Owns)
delete _Ptr; }
_Ty& operator*() const _THROW0()
{return (*get()); }
_Ty *operator->() const _THROW0()
{return (get()); }
_Ty *get() const _THROW0()
{return (_Ptr); }
_Ty *release() const _THROW0()
{((auto_ptr<_Ty> *)this)->_Owns = false;
return (_Ptr); }
private:
bool _Owns;
_Ty *_Ptr;
};
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _MEMORY_ */
/*
* 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.
*/