fstream_unistd.cpp File Reference

#include <fstream>
#include <sys/stat.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>

Include dependency graph for fstream_unistd.cpp:

Go to the source code of this file.

Macros
#define	O_ACCMODE   (O_RDONLY|O_WRONLY|O_RDWR)
#define	FSTAT   fstat
#define	STAT   stat
#define	LSEEK   lseek
#define	MMAP   mmap
#define	OPEN   open
#define	MAP_FAILED   -1

Functions
static _STLP_BEGIN_NAMESPACE ios_base::openmode	flag_to_openmode (int mode)
static _STLP_MOVE_TO_PRIV_NAMESPACE bool	__is_regular_file (_STLP_fd fd)
static streamoff	__file_size (_STLP_fd fd)

Variables
const _STLP_fd	INVALID_STLP_FD = -1

Macro Definition Documentation

FSTAT

#define FSTAT   fstat

Definition at line 59 of file fstream_unistd.cpp.

LSEEK

#define LSEEK   lseek

Definition at line 61 of file fstream_unistd.cpp.

MAP_FAILED

#define MAP_FAILED   -1

Definition at line 73 of file fstream_unistd.cpp.

MMAP

#define MMAP   mmap

Definition at line 62 of file fstream_unistd.cpp.

O_ACCMODE

#define O_ACCMODE   (O_RDONLY|O_WRONLY|O_RDWR)

Definition at line 53 of file fstream_unistd.cpp.

OPEN

#define OPEN   open

Definition at line 63 of file fstream_unistd.cpp.

STAT

#define STAT   stat

Definition at line 60 of file fstream_unistd.cpp.

Function Documentation

__file_size()

static streamoff __file_size ( _STLP_fd  fd )

static

Definition at line 110 of file fstream_unistd.cpp.

                                          {
  streamoff ret = 0;
 
  struct STAT buf;
  if (FSTAT(fd, &buf) == 0 && S_ISREG(buf.st_mode))
    ret = buf.st_size > 0 ? buf.st_size : 0;
 
  return ret;
}

__is_regular_file()

static _STLP_MOVE_TO_PRIV_NAMESPACE bool __is_regular_file ( _STLP_fd  fd )

static

Definition at line 104 of file fstream_unistd.cpp.

                                           {
  struct STAT buf;
  return FSTAT(fd, &buf) == 0 && S_ISREG(buf.st_mode);
}

flag_to_openmode()

static _STLP_BEGIN_NAMESPACE ios_base::openmode flag_to_openmode ( int  mode )

static

Definition at line 78 of file fstream_unistd.cpp.

{
  ios_base::openmode ret = ios_base::__default_mode;
 
  switch ( mode & O_ACCMODE ) {
    case O_RDONLY:
      ret = ios_base::in;
      break;
    case O_WRONLY:
      ret = ios_base::out;
      break;
    case O_RDWR:
      ret = ios_base::in | ios_base::out;
      break;
  }
 
  if ( mode & O_APPEND )
    ret |= ios_base::app;
 
  return ret;
}

Variable Documentation

INVALID_STLP_FD

const _STLP_fd INVALID_STLP_FD = -1

Definition at line 50 of file fstream_unistd.cpp.