iomanip.cpp

来自「C语言库函数的原型,有用的拿去」· C++ 代码 · 共 71 行

// iomanip -- instantiations of iomanip
#include <iomanip>
_STD_BEGIN

		// FUNCTION resetiosflags
static void __cdecl rsfun(ios_base& iostr, ios_base::fmtflags mask)
	{	// reset specified format flags
	iostr.setf(ios_base::_Fmtzero, mask);
	}

		// FUNCTION setiosflags
static void __cdecl sifun(ios_base& iostr, ios_base::fmtflags mask)
	{	// set specified format flags
	iostr.setf(ios_base::_Fmtmask, mask);
	}

		// FUNCTION setbase
static void __cdecl sbfun(ios_base& iostr, int base)
	{	// set base
	iostr.setf(base == 8 ? ios_base::oct
		: base == 10 ? ios_base::dec
		: base == 16 ? ios_base::hex
		: ios_base::_Fmtzero,
			ios_base::basefield);
	}

		// FUNCTION setprecision
static void __cdecl spfun(ios_base& iostr, streamsize prec)
	{	// set precision
	iostr.precision(prec);
	}

		// FUNCTION setw
static void __cdecl swfun(ios_base& iostr, streamsize wide)
	{	// set width
	iostr.width(wide);
	}

_MRTIMP2 _Smanip<ios_base::fmtflags>
	__cdecl resetiosflags(ios_base::fmtflags mask)
	{	// manipulator to reset format flags
	return (_Smanip<ios_base::fmtflags>(&rsfun, mask));
	}

_MRTIMP2 _Smanip<ios_base::fmtflags>
	__cdecl setiosflags(ios_base::fmtflags mask)
	{	// manipulator to set format flags
	return (_Smanip<ios_base::fmtflags>(&sifun, mask));
	}

_MRTIMP2 _Smanip<int> __cdecl setbase(int base)
	{	// manipulator to set base
	return (_Smanip<int>(&sbfun, base));
	}

_MRTIMP2 _Smanip<streamsize> __cdecl setprecision(streamsize prec)
	{	// manipulator to set precision
	return (_Smanip<streamsize>(&spfun, prec));
	}

_MRTIMP2 _Smanip<streamsize> __cdecl setw(streamsize wide)
	{	// manipulator to set width
	return (_Smanip<streamsize>(&swfun, wide));
	}
_STD_END

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