fstream File Reference

#include <istream>

Classes
class	basic_filebuf< _Elem, _Traits >
class	basic_ifstream< _Elem, _Traits >
class	basic_ofstream< _Elem, _Traits >
class	basic_fstream< _Elem, _Traits >

Macros
#define	_FSTREAM_
#define	_IORCNT   _IOCNT /* read and write counts are the same */
#define	_IOWCNT   _IOCNT

Functions
_STD_BEGIN _CRTIMP2_PURE _Filet *__CLRCALL_PURE_OR_CDECL	_Fiopen (const char *, ios_base::openmode, int)
_CRTIMP2_PURE _Filet *__CLRCALL_PURE_OR_CDECL	_Fiopen (const wchar_t *, ios_base::openmode, int)
template<class _Elem >
bool	_Fgetc (_Elem &_Ch, _Filet *_File)
template<>
bool	_Fgetc (char &_Byte, _Filet *_File)
template<>
bool	_Fgetc (wchar_t &_Wchar, _Filet *_File)
template<class _Elem >
bool	_Fputc (_Elem _Ch, _Filet *_File)
template<>
bool	_Fputc (char _Byte, _Filet *_File)
template<>
bool	_Fputc (wchar_t _Wchar, _Filet *_File)
template<class _Elem >
bool	_Ungetc (const _Elem &_Ch, _Filet *_File)
template<>
bool	_Ungetc (const char &_Byte, _Filet *_File)
template<>
bool	_Ungetc (const signed char &_Byte, _Filet *_File)
template<>
bool	_Ungetc (const unsigned char &_Byte, _Filet *_File)
template<>
bool	_Ungetc (const wchar_t &_Wchar, _Filet *_File)
template<class _Elem , class _Traits >
void	swap (basic_filebuf< _Elem, _Traits > &_Left, basic_filebuf< _Elem, _Traits > &_Right)
template<class _Elem , class _Traits >
void	swap (basic_ifstream< _Elem, _Traits > &_Left, basic_ifstream< _Elem, _Traits > &_Right)
template<class _Elem , class _Traits >
void	swap (basic_ofstream< _Elem, _Traits > &_Left, basic_ofstream< _Elem, _Traits > &_Right)
template<class _Elem , class _Traits >
void	swap (basic_fstream< _Elem, _Traits > &_Left, basic_fstream< _Elem, _Traits > &_Right)

Macro Definition Documentation

#define _FSTREAM_

#define _IORCNT   _IOCNT /* read and write counts are the same */

#define _IOWCNT   _IOCNT

Function Documentation

template<class _Elem >

bool _Fgetc ( _Elem &  _Ch, _Filet *  _File  )

inline

    {   // get an element from a C stream
    return (fread(&_Ch, sizeof (_Elem), 1, _File) == 1);
    }

template<>

bool _Fgetc ( char &  _Byte, _Filet *  _File  )

inline

    {   // get a char element from a C stream
    int _Meta;
    if ((_Meta = fgetc(_File)) == EOF)
        return (false);
    else
        {   // got one, convert to char
        _Byte = (char)_Meta;
        return (true);
        }
    }

template<>

bool _Fgetc ( wchar_t &  _Wchar, _Filet *  _File  )

inline

    {   // get a wchar_t element from a C stream
    wint_t _Meta;
    if ((_Meta = _CSTD fgetwc(_File)) == WEOF)
        return (false);
    else
        {   // got one, convert to wchar_t
        _Wchar = (wchar_t)_Meta;
        return (true);
        }
    }

_STD_BEGIN _CRTIMP2_PURE _Filet* __CLRCALL_PURE_OR_CDECL _Fiopen	(	const char *	,
		ios_base::openmode	,
		int
	)

_CRTIMP2_PURE _Filet* __CLRCALL_PURE_OR_CDECL _Fiopen	(	const wchar_t *	,
		ios_base::openmode	,
		int
	)

template<class _Elem >

bool _Fputc ( _Elem  _Ch, _Filet *  _File  )

inline

    {   // put an element to a C stream
    return (fwrite(&_Ch, 1, sizeof (_Elem), _File) == sizeof (_Elem));
    }

template<>

bool _Fputc ( char  _Byte, _Filet *  _File  )

inline

    {   // put a char element to a C stream
    return (fputc(_Byte, _File) != EOF);
    }

template<>

bool _Fputc ( wchar_t  _Wchar, _Filet *  _File  )

inline

    {   // put a wchar_t element to a C stream
    return (_CSTD fputwc(_Wchar, _File) != WEOF);
    }

template<class _Elem >

bool _Ungetc ( const _Elem &  _Ch, _Filet *  _File  )

inline

    {   // put back an arbitrary element to a C stream (always fail)
    return (false);
    }

template<>

bool _Ungetc ( const char &  _Byte, _Filet *  _File  )

inline

    {   // put back a char element to a C stream
    return (ungetc((unsigned char)_Byte, _File) != EOF);
    }

template<>

bool _Ungetc ( const signed char &  _Byte, _Filet *  _File  )

inline

    {   // put back a signed char element to a C stream
    return (ungetc((unsigned char)_Byte, _File) != EOF);
    }

template<>

bool _Ungetc ( const unsigned char &  _Byte, _Filet *  _File  )

inline

    {   // put back an unsigned char element to a C stream
    return (ungetc(_Byte, _File) != EOF);
    }

template<>

bool _Ungetc ( const wchar_t &  _Wchar, _Filet *  _File  )

inline

    {   // put back a wchar_t element to a C stream
    return (_CSTD ungetwc(_Wchar, _File) != WEOF);
    }

template<class _Elem , class _Traits >

void swap ( basic_filebuf< _Elem, _Traits > &  _Left, basic_filebuf< _Elem, _Traits > &  _Right  )

inline

    {   // swap _Left and _Right basic_filebufs
    _Left.swap(_Right);
    }

template<class _Elem , class _Traits >

void swap ( basic_ifstream< _Elem, _Traits > &  _Left, basic_ifstream< _Elem, _Traits > &  _Right  )

inline

    {   // swap _Left and _Right basic_ifstreams
    _Left.swap(_Right);
    }

template<class _Elem , class _Traits >

void swap ( basic_ofstream< _Elem, _Traits > &  _Left, basic_ofstream< _Elem, _Traits > &  _Right  )

inline

    {   // swap _Left and _Right basic_ofstreams
    _Left.swap(_Right);
    }

template<class _Elem , class _Traits >

void swap ( basic_fstream< _Elem, _Traits > &  _Left, basic_fstream< _Elem, _Traits > &  _Right  )

inline

    {   // swap _Left and _Right basic_fstreams
    _Left.swap(_Right);
    }