ios.cpp

C语言库函数的原型,有用的拿去

// ios_base -- ios_base basic members
#include <new>
#include <xdebug>
#include <xiosbase>
_STD_BEGIN

#define NSTDSTR	8	/* cin, wcin, cout, wcout, cerr, wcerr, clog, wclog */

#if defined(_M_CEE_PURE)
const streamoff _BADOFF = -1;
#else
_PGLOBAL _CRTDATA2 const streamoff _BADOFF = -1;	// initialize constant for bad file offset
#endif

__PURE_APPDOMAIN_GLOBAL int ios_base::_Index = 0;	// initialize source of unique indexes
__PURE_APPDOMAIN_GLOBAL bool ios_base::_Sync = true;	// initialize synchronization flag


__PURE_APPDOMAIN_GLOBAL static ios_base *stdstr[NSTDSTR + 2] =
	{0};	// [1, NSTDSTR] hold pointers to standard streams
__PURE_APPDOMAIN_GLOBAL static char stdopens[NSTDSTR + 2] =
	{0};	// [1, NSTDSTR] hold open counts for standard streams

//void __CLR_OR_THIS_CALL ios_base::clear(iostate state, bool reraise)
//	{	// set state, possibly reraise exception
//	_Mystate = (iostate)(state & _Statmask);
//	if ((_Mystate & _Except) == 0)
//		;
//	else if (reraise)
//		_RERAISE;
//	else if (_Mystate & _Except & badbit)
//		_THROW(failure, "ios_base::badbit set");
//	else if (_Mystate & _Except & failbit)
//		_THROW(failure, "ios_base::failbit set");
//	else
//		_THROW(failure, "ios_base::eofbit set");
//	}

_MRTIMP2_PURE_NPURE void __CLRCALL_PURE_OR_CDECL ios_base::_Ios_base_dtor(ios_base *_This)
	{	// destroy the object
	if (0 < _This->_Stdstr && 0 < --stdopens[_This->_Stdstr])
		return;
	_This->_Tidy();
	_DELETE_CRT(_This->_Ploc);
	}

//ios_base::_Iosarray& __CLR_OR_THIS_CALL ios_base::_Findarr(int idx)
//	{	// locate or make a variable array element
//	static _Iosarray stub(0, 0);
//	_Iosarray *p, *q;
//
//	if (idx < 0)
//		{	// handle bad index
//		setstate(badbit);
//		return (stub);
//		}
//
//	for (p = _Arr, q = 0; p != 0; p = p->_Next)
//		if (p->_Index == idx)
//			return (*p);	// found element, return it
//		else if (q == 0 && p->_Lo == 0 && p->_Vp == 0)
//			q = p;	// found recycling candidate
//
//	if (q != 0)
//		{	// recycle existing element
//		q->_Index = idx;
//		return (*q);
//		}
//
//	_Arr = _NEW_CRT _Iosarray(idx, _Arr);	// make a new element
//	return (*_Arr);
//	}

_MRTIMP2_PURE_NPURE void __CLRCALL_PURE_OR_CDECL ios_base::_Addstd(ios_base *_This)
	{	// add standard stream to destructor list
	_BEGIN_LOCK(_LOCK_STREAM)
		for (_This->_Stdstr = 0; ++_This->_Stdstr < NSTDSTR; )
			if (stdstr[_This->_Stdstr] == 0 || stdstr[_This->_Stdstr] == _This)
				break;	// found a candidate

		stdstr[_This->_Stdstr] = _This;
		++stdopens[_This->_Stdstr];
	_END_LOCK()
	}

_STD_END

/*
 * Copyright (c) 1992-2007 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
 V5.03:0009 */