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stdio_streambuf_base Class Reference

#include <stdio_streambuf.h>

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Public Member Functions

 stdio_streambuf_base (FILE *)
 
 ~stdio_streambuf_base ()
 
- Public Member Functions inherited from basic_streambuf< char, char_traits< char > >
virtual ~basic_streambuf ()
 
char_type * _M_eback () const
 
char_type * _M_gptr () const
 
char_type * _M_egptr () const
 
void _M_gbump (int __n)
 
void _M_setg (char_type *__gbegin, char_type *__gnext, char_type *__gend)
 
basic_streambuf< char, char_traits< char > > * pubsetbuf (char_type *__s, streamsize __n)
 
pos_type pubseekoff (off_type __offset, ios_base::seekdir __way, ios_base::openmode __mod=ios_base::in|ios_base::out)
 
pos_type pubseekpos (pos_type __sp, ios_base::openmode __mod=ios_base::in|ios_base::out)
 
int pubsync ()
 
int_type sputc (char_type __c)
 
streamsize sputn (const char_type *__s, streamsize __n)
 
streamsize _M_sputnc (char_type __c, streamsize __n)
 
streamsize in_avail ()
 
int_type snextc ()
 
int_type sbumpc ()
 
int_type sgetc ()
 
streamsize sgetn (char_type *__s, streamsize __n)
 
int_type sputbackc (char_type __c)
 
int_type sungetc ()
 
locale pubimbue (const locale &)
 
locale getloc () const
 
void stossc ()
 

Protected Member Functions

streambuf * setbuf (char *, streamsize)
 
pos_type seekoff (off_type, ios_base::seekdir, ios_base::openmode=ios_base::in|ios_base::out)
 
pos_type seekpos (pos_type, ios_base::openmode=ios_base::in|ios_base::out)
 
int sync ()
 
- Protected Member Functions inherited from basic_streambuf< char, char_traits< char > >
 basic_streambuf ()
 
char_type * eback () const
 
char_type * gptr () const
 
char_type * egptr () const
 
void gbump (int __n)
 
void setg (char_type *__gbegin, char_type *__gnext, char_type *__gend)
 
char_type * pbase () const
 
char_type * pptr () const
 
char_type * epptr () const
 
void pbump (int __n)
 
void setp (char_type *__pbegin, char_type *__pend)
 
virtual pos_type seekoff (off_type, ios_base::seekdir, ios_base::openmode=ios_base::in|ios_base::out)
 
virtual pos_type seekpos (pos_type, ios_base::openmode=ios_base::in|ios_base::out)
 
virtual streamsize showmanyc ()
 
virtual streamsize xsgetn (char_type *__s, streamsize __n)
 
virtual int_type underflow ()
 
virtual int_type uflow ()
 
virtual int_type pbackfail (int_type=traits_type::eof())
 
virtual streamsize xsputn (const char_type *__s, streamsize __n)
 
virtual streamsize _M_xsputnc (char_type __c, streamsize __n)
 
virtual int_type overflow (int_type=traits_type::eof())
 
virtual void imbue (const locale &)
 

Protected Attributes

FILE * _M_file
 

Additional Inherited Members

- Public Types inherited from basic_streambuf< char, char_traits< char > >
typedef char char_type
 
typedef char_traits< char > ::int_type int_type
 
typedef char_traits< char > ::pos_type pos_type
 
typedef char_traits< char > ::off_type off_type
 
typedef char_traits< char > traits_type
 

Detailed Description

Definition at line 49 of file stdio_streambuf.h.

Constructor & Destructor Documentation

◆ stdio_streambuf_base()

stdio_streambuf_base::stdio_streambuf_base ( FILE *  file)

Definition at line 55 of file stdio_streambuf.cpp.

56  : /* _STLP_STD::FILE_basic_streambuf(file, 0), */
57  _M_file(file)
58 {}
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
file
Definition: fci.c:126

◆ ~stdio_streambuf_base()

stdio_streambuf_base::~stdio_streambuf_base ( )

Definition at line 60 of file stdio_streambuf.cpp.

60  {
61  _STLP_VENDOR_CSTD::fflush(_M_file);
62 }
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
fflush
_Check_return_opt_ _CRTIMP int __cdecl fflush(_Inout_opt_ FILE *_File)

Member Function Documentation

◆ seekoff()

stdio_streambuf_base::pos_type stdio_streambuf_base::seekoff ( off_type  off,
ios_base::seekdir  dir,
ios_base::openmode  = ios_base::in | ios_base::out 
)
protected

Definition at line 76 of file stdio_streambuf.cpp.

77  {
78  int whence;
79  switch (dir) {
80  case ios_base::beg:
81  whence = SEEK_SET;
82  break;
83  case ios_base::cur:
84  whence = SEEK_CUR;
85  break;
86  case ios_base::end:
87  whence = SEEK_END;
88  break;
89  default:
90  return pos_type(-1);
91  }
92 
93  if (off <= numeric_limits<off_type>::max() && FSEEK(_M_file, off, whence) == 0) {
94  FPOS_T pos;
95  FGETPOS(_M_file, &pos);
96  // added 21 june 00 mdb,rjf,wjs: glibc 2.2 changed fpos_t to be a struct instead
97  // of a primitive type
98 #if (defined (__GLIBC__) && ((__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 2))))
99  return pos_type((streamoff)pos.__pos);
100 #elif defined (__ISCPP__) || defined (__MVS__) || defined (__OS400__)
101  return pos_type(pos.__fpos_elem[ 0 ]);
102 #elif defined (__EMX__)
103  return pos_type((streamoff)pos._pos);
104 #else
105  return pos_type(pos);
106 #endif
107  }
108  else
109  return pos_type(-1);
110 }
streamoff
off_t streamoff
Definition: char_traits.h:74
SEEK_CUR
#define SEEK_CUR
Definition: util.h:63
FSEEK
#define FSEEK
Definition: stdio_streambuf.cpp:38
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
end
GLuint GLuint end
Definition: gl.h:1545
FGETPOS
#define FGETPOS
Definition: stdio_streambuf.cpp:43
basic_streambuf< char, char_traits< char > >::pos_type
char_traits< char > ::pos_type pos_type
Definition: _streambuf.h:55
FPOS_T
#define FPOS_T
Definition: stdio_streambuf.cpp:44
dir
unsigned int dir
Definition: maze.c:112
SEEK_SET
#define SEEK_SET
Definition: jmemansi.c:26
SEEK_END
#define SEEK_END
Definition: cabinet.c:27
off
off
Definition: i386-dis.c:3909
numeric_limits
Definition: _limits.h:192

◆ seekpos()

stdio_streambuf_base::pos_type stdio_streambuf_base::seekpos ( pos_type  pos,
ios_base::openmode  = ios_base::in | ios_base::out 
)
protected

Definition at line 114 of file stdio_streambuf.cpp.

114  {
115  // added 21 june 00 mdb,rjf,wjs: glibc 2.2 changed fpos_t to be a struct instead
116  // of a primitive type
117 #if (defined(__GLIBC__) && ( (__GLIBC__ > 2) || ( (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 2) ) ) )
118  FPOS_T p;
119  p.__pos = pos;
120 # ifdef _STLP_USE_UCLIBC
121 # ifdef __STDIO_MBSTATE
122  memset( &(p.__mbstate), 0, sizeof(p.__mbstate) );
123 # endif
124 # ifdef __STDIO_WIDE
125  p.mblen_pending = 0;
126 # endif
127 # else
128  memset( &(p.__state), 0, sizeof(p.__state) );
129 # endif
130 #elif defined (__MVS__) || defined (__OS400__)
131  FPOS_T p;
132  p.__fpos_elem[0] = pos;
133 #elif defined (__EMX__)
134  FPOS_T p;
135  p._pos = pos;
136  memset( &(p._mbstate), 0, sizeof(p._mbstate) );
137 #else
138  FPOS_T p(pos);
139 #endif
140 
141  return FSETPOS(_M_file, &p) == 0 ? pos : pos_type(-1);
142 }
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
basic_streambuf< char, char_traits< char > >::pos_type
char_traits< char > ::pos_type pos_type
Definition: _streambuf.h:55
FPOS_T
#define FPOS_T
Definition: stdio_streambuf.cpp:44
FSETPOS
#define FSETPOS
Definition: stdio_streambuf.cpp:42
p
GLfloat GLfloat p
Definition: glext.h:8902
memset
#define memset(x, y, z)
Definition: compat.h:39

◆ setbuf()

_STLP_STD::streambuf * stdio_streambuf_base::setbuf ( char *  s,
streamsize  n 
)
protectedvirtual

Reimplemented from basic_streambuf< char, char_traits< char > >.

Definition at line 64 of file stdio_streambuf.cpp.

64  {
65 #ifdef _STLP_WCE
66  // no buffering in windows ce .NET
67 #else
68  size_t __n_size_t = (sizeof(streamsize) > sizeof(size_t)) ? __STATIC_CAST(size_t, (min)(__STATIC_CAST(streamsize, (numeric_limits<size_t>::max)()), n))
69  : __STATIC_CAST(size_t, n);
70  _STLP_VENDOR_CSTD::setvbuf(_M_file, s, (s == 0 && n == 0) ? _IONBF : _IOFBF, __n_size_t);
71 #endif
72  return this;
73 }
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
__STATIC_CAST
#define __STATIC_CAST(__x, __y)
Definition: features.h:585
n
GLdouble n
Definition: glext.h:7729
_IOFBF
#define _IOFBF
Definition: stdio.h:128
s
GLdouble s
Definition: gl.h:2039
min
#define min(a, b)
Definition: monoChain.cc:55
streamsize
ptrdiff_t streamsize
Definition: char_traits.h:81
setvbuf
_Check_return_opt_ _CRTIMP int __cdecl setvbuf(_Inout_ FILE *_File, _Inout_updates_opt_z_(_Size) char *_Buf, _In_ int _Mode, _In_ size_t _Size)
_IONBF
#define _IONBF
Definition: stdio.h:130
numeric_limits
Definition: _limits.h:192

◆ sync()

int stdio_streambuf_base::sync ( )
protectedvirtual

Reimplemented from basic_streambuf< char, char_traits< char > >.

Definition at line 144 of file stdio_streambuf.cpp.

144  {
145  return _STLP_VENDOR_CSTD::fflush(_M_file) == 0 ? 0 : -1;
146 }
stdio_streambuf_base::_M_file
FILE * _M_file
Definition: stdio_streambuf.h:70
fflush
_Check_return_opt_ _CRTIMP int __cdecl fflush(_Inout_opt_ FILE *_File)

Member Data Documentation

◆ _M_file

FILE* stdio_streambuf_base::_M_file
protected

Definition at line 70 of file stdio_streambuf.h.

Referenced by stdio_ostreambuf::overflow(), stdio_istreambuf::pbackfail(), seekoff(), seekpos(), setbuf(), sync(), stdio_istreambuf::uflow(), stdio_istreambuf::underflow(), and ~stdio_streambuf_base().

The documentation for this class was generated from the following files: