file.h File Reference

#include <stdint.h>
#include <stdio.h>
#include <sys/list.h>
#include <threads.h>

Go to the source code of this file.

Data Structures
struct	fpos_t
struct	FILE

Macros
#define	_UNGETC_MAX   64
#define	_FILE_GETC(stream)
#define	_FILE_CHECK_AVAIL(fh)   (((fh->bufIndex == fh->bufEnd) && (fh->ungetIndex == 0)) ? _file_fill_buffer(fh) : 0)

Enumerations
enum	_file_flags_t {   _FILE_READ = (1 << 0) ,   _FILE_WRITE = (1 << 2) ,   _FILE_RW = (1 << 3) ,   _FILE_APPEND = (1 << 4) ,   _FILE_BIN = (1 << 5) ,   _FILE_OWNS_BUFFER = (1 << 6) ,   _FILE_FULLY_BUFFERED = (1 << 7) ,   _FILE_LINE_BUFFERED = (1 << 8) ,   _FILE_UNBUFFERED = (1 << 9) ,   _FILE_ERROR = (1 << 10) ,   _FILE_WIDESTREAM = (1 << 11) ,   _FILE_BYTESTREAM = (1 << 12) ,   _FILE_DELETE_ON_CLOSE = (1 << 13) ,   _FILE_EOF = (1 << 14) }

Functions
_file_flags_t	_file_flags_parse (const char *mode)
FILE *	_file_new (void)
void	_file_free (FILE *stream)
uint64_t	_file_init (FILE *stream, fd_t fd, _file_flags_t flags, void *buffer, uint64_t bufferSize)
void	_file_deinit (FILE *stream)
uint64_t	_file_flush_buffer (FILE *stream)
uint64_t	_file_fill_buffer (FILE *stream)
uint64_t	_file_seek (FILE *stream, int64_t offset, int whence)
uint64_t	_file_prepare_read (FILE *stream)
uint64_t	_file_prepare_write (FILE *stream)
void	_files_init (void)
void	_files_push (FILE *file)
void	_files_remove (FILE *file)
void	_files_close (void)
uint64_t	_files_flush (void)

Macro Definition Documentation

_FILE_CHECK_AVAIL

#define _FILE_CHECK_AVAIL

(

fh

)

(((fh->bufIndex == fh->bufEnd) && (fh->ungetIndex == 0)) ? _file_fill_buffer(fh) : 0)

Definition at line 53 of file file.h.

_FILE_GETC

#define _FILE_GETC

(

stream

)

Value:

    (((stream)->ungetIndex == 0) ? (unsigned char)(stream)->buf[(stream)->bufIndex++] \
                                 : (unsigned char)(stream)->ungetBuf[--(stream)->ungetIndex])

Definition at line 49 of file file.h.

_UNGETC_MAX

#define _UNGETC_MAX   64

Definition at line 32 of file file.h.

Enumeration Type Documentation

_file_flags_t

enum _file_flags_t

Enumerator
_FILE_READ
_FILE_WRITE
_FILE_RW
_FILE_APPEND
_FILE_BIN
_FILE_OWNS_BUFFER
_FILE_FULLY_BUFFERED
_FILE_LINE_BUFFERED
_FILE_UNBUFFERED
_FILE_ERROR
_FILE_WIDESTREAM
_FILE_BYTESTREAM
_FILE_DELETE_ON_CLOSE
_FILE_EOF

Definition at line 8 of file file.h.

Function Documentation

_file_deinit()

void _file_deinit

(

FILE *

stream

)

Definition at line 146 of file file.c.

References _FILE_OWNS_BUFFER, FILE::buf, close(), FILE::fd, FILE::flags, free(), FILE::mtx, and mtx_destroy().

Referenced by fclose().

_file_fill_buffer()

uint64_t _file_fill_buffer

(

FILE *

stream

)

Definition at line 177 of file file.c.

References _FILE_BIN, _FILE_EOF, _FILE_ERROR, FILE::buf, FILE::bufEnd, FILE::bufIndex, FILE::bufSize, count, ERR, FILE::fd, FILE::flags, fpos_t::offset, FILE::pos, and read().

_file_flags_parse()

_file_flags_t _file_flags_parse

(

const char *

mode

)

Definition at line 12 of file file.c.

References _FILE_APPEND, _FILE_BIN, _FILE_READ, _FILE_RW, _FILE_WRITE, files, and NULL.

Referenced by fopen().

_file_flush_buffer()

uint64_t _file_flush_buffer

(

FILE *

stream

)

Definition at line 158 of file file.c.

References _FILE_BIN, _FILE_ERROR, FILE::buf, FILE::bufIndex, count, ERR, FILE::fd, FILE::flags, fpos_t::offset, FILE::pos, and write().

Referenced by fclose(), fflush(), fputc(), fputs(), fseek(), fwrite(), puts(), and vfprintf().

_file_free()

void _file_free

(

FILE *

stream

)

Definition at line 92 of file file.c.

References free(), stderr, stdin, and stdout.

Referenced by fclose(), and fopen().

_file_init()

uint64_t _file_init	(	FILE *	stream,
		fd_t	fd,
		_file_flags_t	flags,
		void *	buffer,
		uint64_t	bufferSize
	)

Definition at line 100 of file file.c.

References _FILE_OWNS_BUFFER, FILE::buf, FILE::bufEnd, buffer, FILE::bufIndex, FILE::bufSize, ERR, FILE::fd, FILE::flags, free(), malloc(), FILE::mtx, mtx_init(), mtx_recursive, NULL, fpos_t::offset, FILE::pos, fpos_t::status, thrd_success, and FILE::ungetIndex.

Referenced by _std_stream_init(), and fopen().

_file_new()

FILE * _file_new

(

void

)

Definition at line 80 of file file.c.

References calloc(), FILE::entry, list_entry_init(), and NULL.

Referenced by fopen().

_file_prepare_read()

uint64_t _file_prepare_read

(

FILE *

stream

)

Definition at line 224 of file file.c.

References _FILE_APPEND, _FILE_BYTESTREAM, _FILE_EOF, _FILE_ERROR, _FILE_READ, _FILE_RW, _FILE_WIDESTREAM, _FILE_WRITE, FILE::bufEnd, FILE::bufIndex, EBADF, ERR, errno, and FILE::flags.

Referenced by fgetc(), fgets(), fread(), and vfscanf().

_file_prepare_write()

uint64_t _file_prepare_write

(

FILE *

stream

)

Definition at line 239 of file file.c.

References _FILE_APPEND, _FILE_BYTESTREAM, _FILE_EOF, _FILE_ERROR, _FILE_READ, _FILE_RW, _FILE_WIDESTREAM, _FILE_WRITE, FILE::bufEnd, FILE::bufIndex, EBADF, ERR, errno, FILE::flags, and FILE::ungetIndex.

Referenced by fputc(), fputs(), fwrite(), puts(), and vfprintf().

_file_seek()

uint64_t _file_seek	(	FILE *	stream,
		int64_t	offset,
		int	whence
	)

Definition at line 202 of file file.c.

References FILE::bufEnd, FILE::bufIndex, EINVAL, ERR, errno, FILE::fd, fpos_t::offset, FILE::pos, seek(), SEEK_CUR, SEEK_END, SEEK_SET, and FILE::ungetIndex.

Referenced by fseek().

_files_close()

void _files_close

(

void

)

Definition at line 278 of file file.c.

References fclose(), files, filesMtx, LIST_FOR_EACH_SAFE, mtx_lock(), and mtx_unlock().

Referenced by exit().

_files_flush()

uint64_t _files_flush

(

void

)

Definition at line 292 of file file.c.

References EOF, ERR, fflush(), files, filesMtx, LIST_FOR_EACH, mtx_lock(), and mtx_unlock().

Referenced by fflush().

_files_init()

void _files_init

(

void

)

Definition at line 254 of file file.c.

References abort(), files, filesMtx, fprintf(), list_init(), mtx_init(), mtx_recursive, stderr, and thrd_success.

Referenced by _user_init().

_files_push()

void _files_push

(

FILE *

file

)

Definition at line 264 of file file.c.

References file, files, filesMtx, list_push(), mtx_lock(), and mtx_unlock().

Referenced by _std_stream_init(), and fopen().

_files_remove()

void _files_remove

(

FILE *

file

)

Definition at line 271 of file file.c.

References file, files, filesMtx, list_remove(), mtx_lock(), and mtx_unlock().

Referenced by fclose().