stdio.h File Reference

#include <stdarg.h>
#include "_internal/MAX_PATH.h"
#include "_internal/NULL.h"
#include "_internal/SEEK.h"
#include "_internal/config.h"
#include "_internal/fd_t.h"
#include "_internal/size_t.h"

Go to the source code of this file.

Macros
#define	_IOFBF   (1u << 0)
#define	_IOLBF   (1u << 1)
#define	_IONBF   (1u << 2)
#define	EOF   (-1)
#define	BUFSIZ   1024
#define	FOPEN_MAX   8
#define	FILENAME_MAX   MAX_PATH
#define	L_tmpnam   46
#define	TMP_MAX   50

Typedefs
typedef struct fpos	fpos_t

Functions
_PUBLIC int	remove (const char *filename)
_PUBLIC int	rename (const char *oldpath, const char *newpath)
_PUBLIC FILE *	tmpfile (void)
_PUBLIC char *	tmpnam (char *s)
_PUBLIC int	fclose (FILE *stream)
_PUBLIC int	fflush (FILE *stream)
_PUBLIC FILE *	fopen (const char *_RESTRICT filename, const char *_RESTRICT mode)
_PUBLIC FILE *	freopen (const char *_RESTRICT filename, const char *_RESTRICT mode, FILE *_RESTRICT stream)
_PUBLIC void	setbuf (FILE *_RESTRICT stream, char *_RESTRICT buf)
_PUBLIC int	setvbuf (FILE *_RESTRICT stream, char *_RESTRICT buf, int mode, size_t size)
_PUBLIC int	fprintf (FILE *_RESTRICT stream, const char *_RESTRICT format,...)
_PUBLIC int	fscanf (FILE *_RESTRICT stream, const char *_RESTRICT format,...)
_PUBLIC int	printf (const char *_RESTRICT format,...)
_PUBLIC int	scanf (const char *_RESTRICT format,...)
_PUBLIC int	snprintf (char *_RESTRICT s, size_t n, const char *_RESTRICT format,...)
_PUBLIC int	sprintf (char *_RESTRICT s, const char *_RESTRICT format,...)
_PUBLIC int	sscanf (const char *_RESTRICT s, const char *_RESTRICT format,...)
_PUBLIC int	vfprintf (FILE *_RESTRICT stream, const char *_RESTRICT format, va_list arg)
_PUBLIC int	vfscanf (FILE *_RESTRICT stream, const char *_RESTRICT format, va_list arg)
_PUBLIC int	vprintf (const char *_RESTRICT format, va_list arg)
_PUBLIC int	vscanf (const char *_RESTRICT format, va_list arg)
_PUBLIC int	vsnprintf (char *_RESTRICT s, size_t n, const char *_RESTRICT format, va_list arg)
_PUBLIC int	vsprintf (char *_RESTRICT s, const char *_RESTRICT format, va_list arg)
_PUBLIC int	vsscanf (const char *_RESTRICT s, const char *_RESTRICT format, va_list arg)
_PUBLIC int	fgetc (FILE *stream)
_PUBLIC char *	fgets (char *_RESTRICT s, int n, FILE *_RESTRICT stream)
_PUBLIC int	fputc (int c, FILE *stream)
_PUBLIC int	fputs (const char *_RESTRICT s, FILE *_RESTRICT stream)
_PUBLIC int	getc (FILE *stream)
_PUBLIC int	getchar (void)
_PUBLIC int	putc (int c, FILE *stream)
_PUBLIC int	putchar (int c)
_PUBLIC int	puts (const char *s)
_PUBLIC int	ungetc (int c, FILE *stream)
_PUBLIC size_t	fread (void *_RESTRICT ptr, size_t size, size_t nmemb, FILE *_RESTRICT stream)
_PUBLIC size_t	fwrite (const void *_RESTRICT ptr, size_t size, size_t nmemb, FILE *_RESTRICT stream)
_PUBLIC int	fgetpos (FILE *_RESTRICT stream, fpos_t *_RESTRICT pos)
_PUBLIC int	fseek (FILE *stream, long int offset, int whence)
_PUBLIC int	fsetpos (FILE *stream, const fpos_t *pos)
_PUBLIC long int	ftell (FILE *stream)
_PUBLIC void	rewind (FILE *stream)
_PUBLIC void	clearerr (FILE *stream)
_PUBLIC int	feof (FILE *stream)
_PUBLIC int	ferror (FILE *stream)
_PUBLIC void	perror (const char *s)

Variables
FILE *	stdin
FILE *	stdout
FILE *	stderr

Macro Definition Documentation

_IOFBF

#define _IOFBF   (1u << 0)

Definition at line 18 of file stdio.h.

_IOLBF

#define _IOLBF   (1u << 1)

Definition at line 19 of file stdio.h.

_IONBF

#define _IONBF   (1u << 2)

Definition at line 20 of file stdio.h.

BUFSIZ

#define BUFSIZ   1024

Definition at line 26 of file stdio.h.

EOF

#define EOF   (-1)

Definition at line 25 of file stdio.h.

FILENAME_MAX

#define FILENAME_MAX   MAX_PATH

Definition at line 28 of file stdio.h.

FOPEN_MAX

#define FOPEN_MAX   8

Definition at line 27 of file stdio.h.

L_tmpnam

#define L_tmpnam   46

Definition at line 30 of file stdio.h.

TMP_MAX

#define TMP_MAX   50

Definition at line 31 of file stdio.h.

Typedef Documentation

fpos_t

typedef struct fpos fpos_t

Definition at line 22 of file stdio.h.

Function Documentation

clearerr()

_PUBLIC void clearerr

(

FILE *

stream

)

Definition at line 5 of file clearerr.c.

References _FILE_EOF, _FILE_ERROR, and FILE::flags.

fclose()

_PUBLIC int fclose

(

FILE *

stream

)

Definition at line 7 of file fclose.c.

References _file_deinit(), _file_flush_buffer(), _file_free(), _FILE_WRITE, _files_remove(), EOF, ERR, FILE::flags, FILE::mtx, mtx_lock(), and mtx_unlock().

Referenced by _files_close(), config_open(), cpu_stat_count_cpus(), cpu_stat_read(), and mem_stat_read().

feof()

_PUBLIC int feof

(

FILE *

stream

)

Definition at line 5 of file feof.c.

References _FILE_EOF, and FILE::flags.

Referenced by vfscanf().

ferror()

_PUBLIC int ferror

(

FILE *

stream

)

Definition at line 5 of file ferror.c.

References _FILE_ERROR, and FILE::flags.

Referenced by vfscanf().

fflush()

_PUBLIC int fflush

(

FILE *

stream

)

Definition at line 6 of file fflush.c.

References _file_flush_buffer(), _files_flush(), EOF, ERR, FILE::mtx, mtx_lock(), mtx_unlock(), and NULL.

Referenced by _files_flush(), benchmark(), interactive_handle_ansi(), interactive_prompt(), stats_print(), and terminal_columns_get().

fgetc()

_PUBLIC int fgetc

(

FILE *

stream

)

Definition at line 7 of file fgetc.c.

References _FILE_CHECK_AVAIL, _FILE_GETC, _file_prepare_read(), EOF, ERR, FILE::mtx, mtx_lock(), and mtx_unlock().

Referenced by getc(), and getchar().

fgetpos()

_PUBLIC int fgetpos	(	FILE *_RESTRICT	stream,
		fpos_t *_RESTRICT	pos
	)

fgets()

_PUBLIC char * fgets	(	char *_RESTRICT	s,
		int	n,
		FILE *_RESTRICT	stream
	)

Definition at line 5 of file fgets.c.

References _FILE_CHECK_AVAIL, _FILE_GETC, _file_prepare_read(), ERR, mtx_lock(), mtx_unlock(), and NULL.

Referenced by config_open(), cpu_stat_count_cpus(), and cpu_stat_read().

fopen()

_PUBLIC FILE * fopen	(	const char *_RESTRICT	filename,
		const char *_RESTRICT	mode
	)

Definition at line 27 of file fopen.c.

References _file_flags_parse(), _file_free(), _FILE_FULLY_BUFFERED, _file_init(), _file_new(), _files_push(), _flags_to_string(), BUFSIZ, close(), EINVAL, ENOMEM, ERR, errno, NULL, and openf().

Referenced by config_open(), cpu_stat_count_cpus(), cpu_stat_read(), and mem_stat_read().

fprintf()

_PUBLIC int fprintf	(	FILE *_RESTRICT	stream,
		const char *_RESTRICT	format,
			...
	)

Definition at line 5 of file fprintf.c.

References va_end, va_start, and vfprintf().

Referenced by _files_init(), _std_stream_init(), abort_handler_s(), builtin_cd(), main(), main(), perror(), pipeline_execute_cmd(), print_dir(), and thrd_exit().

fputc()

_PUBLIC int fputc	(	int	c,
		FILE *	stream
	)

Definition at line 7 of file fputc.c.

References _file_flush_buffer(), _FILE_LINE_BUFFERED, _file_prepare_write(), _FILE_UNBUFFERED, FILE::buf, FILE::bufIndex, FILE::bufSize, EOF, ERR, FILE::flags, FILE::mtx, mtx_lock(), and mtx_unlock().

Referenced by putc(), and putchar().

fputs()

_PUBLIC int fputs	(	const char *_RESTRICT	s,
		FILE *_RESTRICT	stream
	)

Definition at line 5 of file fputs.c.

References _file_flush_buffer(), _FILE_LINE_BUFFERED, _file_prepare_write(), _FILE_UNBUFFERED, EOF, ERR, mtx_lock(), and mtx_unlock().

Referenced by _assert_89(), and _assert_99().

fread()

_PUBLIC size_t fread	(	void *_RESTRICT	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *_RESTRICT	stream
	)

Definition at line 7 of file fread.c.

References _FILE_CHECK_AVAIL, _FILE_GETC, _file_prepare_read(), ERR, mtx_lock(), and mtx_unlock().

freopen()

_PUBLIC FILE * freopen	(	const char *_RESTRICT	filename,
		const char *_RESTRICT	mode,
		FILE *_RESTRICT	stream
	)

fscanf()

_PUBLIC int fscanf	(	FILE *_RESTRICT	stream,
		const char *_RESTRICT	format,
			...
	)

Definition at line 4 of file fscanf.c.

References va_end, va_start, and vfscanf().

Referenced by mem_stat_read().

fseek()

_PUBLIC int fseek	(	FILE *	stream,
		long int	offset,
		int	whence
	)

fsetpos()

_PUBLIC int fsetpos	(	FILE *	stream,
		const fpos_t *	pos
	)

ftell()

_PUBLIC long int ftell

(

FILE *

stream

)

Definition at line 7 of file ftell.c.

References FILE::bufEnd, FILE::bufIndex, ERANGE, errno, LONG_MAX, FILE::mtx, mtx_lock(), mtx_unlock(), fpos_t::offset, FILE::pos, and FILE::ungetIndex.

fwrite()

_PUBLIC size_t fwrite	(	const void *_RESTRICT	ptr,
		size_t	size,
		size_t	nmemb,
		FILE *_RESTRICT	stream
	)

Definition at line 8 of file fwrite.c.

References _file_flush_buffer(), _FILE_LINE_BUFFERED, _file_prepare_write(), _FILE_UNBUFFERED, ERR, memmove(), mtx_lock(), and mtx_unlock().

getc()

_PUBLIC int getc

(

FILE *

stream

)

Definition at line 7 of file getc.c.

References fgetc().

Referenced by vfscanf().

getchar()

_PUBLIC int getchar

(

void

)

Definition at line 7 of file getchar.c.

References fgetc(), and stdin.

perror()

_PUBLIC void perror

(

const char *

s

)

Definition at line 5 of file perror.c.

References errno, fprintf(), NULL, stderr, and strerror().

Referenced by benchmark_mmap(), client_receive_cmds(), and client_send_all().

printf()

_PUBLIC int printf	(	const char *_RESTRICT	format,
			...
	)

Definition at line 5 of file printf.c.

References stdout, va_end, va_start, and vfprintf().

Referenced by backbuffer_init(), benchmark(), benchmark_mmap(), builtin_clear(), builtin_help(), client_process_cmds(), client_receive_cmds(), dwm_attach(), dwm_client_accept(), dwm_client_disconnect(), dwm_detach(), dwm_init(), dwm_kbd_read(), dwm_mouse_read(), dwm_poll(), dwm_poll_ctx_update(), dwm_update(), execute_commands(), free(), frontbuffer_init(), interactive_execute_command(), interactive_handle_ansi(), interactive_handle_input(), interactive_prompt(), interactive_shell(), main(), main(), main(), pipeline_execute(), pipeline_execute_cmd(), pipeline_init(), print_dir(), print_stat(), procedure(), read_fd(), realloc(), screen_swap(), screen_transfer_frontbuffer(), spawn_program(), start_menu_load_entries(), start_menu_new(), start_services(), startmenu_procedure(), stats_print(), stats_update(), surface_new(), taskbar_new(), taskbar_procedure(), taskbar_update_clock(), terminal_columns_get(), and theme_lazy_load().

putc()

_PUBLIC int putc	(	int	c,
		FILE *	stream
	)

Definition at line 7 of file putc.c.

References fputc().

putchar()

_PUBLIC int putchar

(

int

c

)

Definition at line 7 of file putchar.c.

References fputc(), and stdout.

puts()

_PUBLIC int puts

(

const char *

s

)

remove()

_PUBLIC int remove

(

const char *

filename

)

Definition at line 6 of file remove.c.

References _syscall_errno(), _syscall_remove(), EOF, ERR, and errno.

Referenced by main().

rename()

_PUBLIC int rename	(	const char *	oldpath,
		const char *	newpath
	)

Definition at line 5 of file rename.c.

References _syscall_errno(), _syscall_link(), _syscall_remove(), EOF, ERR, and errno.

Referenced by main().

rewind()

_PUBLIC void rewind

(

FILE *

stream

)

scanf()

_PUBLIC int scanf	(	const char *_RESTRICT	format,
			...
	)

setbuf()

_PUBLIC void setbuf	(	FILE *_RESTRICT	stream,
		char *_RESTRICT	buf
	)

setvbuf()

_PUBLIC int setvbuf	(	FILE *_RESTRICT	stream,
		char *_RESTRICT	buf,
		int	mode,
		size_t	size
	)

snprintf()

_PUBLIC int snprintf	(	char *_RESTRICT	s,
		size_t	n,
		const char *_RESTRICT	format,
			...
	)

Definition at line 3 of file snprintf.c.

References va_end, va_start, and vsnprintf().

Referenced by acpi_tables_expose(), aml_convert_to_decimal_string(), aml_convert_to_hex_string(), aml_name_string_to_string(), aml_object_to_string(), config_open(), dentry_generic_getdents(), fb_new(), getdents_recursive_traversal(), kbd_new(), mouse_new(), process_new(), process_prio_read(), process_procfs_init(), process_wait_read(), socket_new(), start_menu_load_entries(), ternminal_execute_ansi(), and theme_lazy_load().

sprintf()

_PUBLIC int sprintf	(	char *_RESTRICT	s,
		const char *_RESTRICT	format,
			...
	)

Definition at line 5 of file sprintf.c.

References SIZE_MAX, va_end, va_start, and vsnprintf().

Referenced by log_print_header(), pipeline_execute_cmd(), procedure(), startmenu_procedure(), statistics_cpu_read(), statistics_mem_read(), and taskbar_update_clock().

sscanf()

_PUBLIC int sscanf	(	const char *_RESTRICT	s,
		const char *_RESTRICT	format,
			...
	)

Definition at line 4 of file sscanf.c.

References va_end, va_start, and vsscanf().

Referenced by cpu_stat_read(), and terminal_columns_get().

tmpfile()

_PUBLIC FILE * tmpfile

(

void

)

tmpnam()

_PUBLIC char * tmpnam

(

char *

s

)

ungetc()

_PUBLIC int ungetc	(	int	c,
		FILE *	stream
	)

Definition at line 5 of file ungetc.c.

References _UNGETC_MAX, EOF, FILE::mtx, mtx_lock(), mtx_unlock(), FILE::ungetBuf, and FILE::ungetIndex.

Referenced by _scan_unget(), and vfscanf().

vfprintf()

_PUBLIC int vfprintf	(	FILE *_RESTRICT	stream,
		const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 8 of file vfprintf.c.

References _file_flush_buffer(), _FILE_LINE_BUFFERED, _file_prepare_write(), _FILE_UNBUFFERED, _print(), _format_ctx_t::arg, _format_ctx_t::base, _format_ctx_t::buffer, _format_ctx_t::currentChars, EOF, ERR, _format_ctx_t::flags, _format_ctx_t::maxChars, mtx_lock(), mtx_unlock(), NULL, _format_ctx_t::precision, SIZE_MAX, _format_ctx_t::stream, _format_ctx_t::totalChars, va_copy, va_end, and _format_ctx_t::width.

Referenced by fprintf(), printf(), and vprintf().

vfscanf()

_PUBLIC int vfscanf	(	FILE *_RESTRICT	stream,
		const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 8 of file vfscanf.c.

References _FILE_CHECK_AVAIL, _file_prepare_read(), _scan(), _format_ctx_t::arg, _format_ctx_t::base, _format_ctx_t::buffer, _format_ctx_t::currentChars, EOF, ERR, feof(), ferror(), _format_ctx_t::flags, getc(), isspace(), _format_ctx_t::maxChars, mtx_lock(), mtx_unlock(), NULL, _format_ctx_t::precision, _format_ctx_t::stream, _format_ctx_t::totalChars, ungetc(), va_copy, va_end, and _format_ctx_t::width.

Referenced by fscanf().

vprintf()

_PUBLIC int vprintf	(	const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 5 of file vprintf.c.

References stdout, and vfprintf().

vscanf()

_PUBLIC int vscanf	(	const char *_RESTRICT	format,
		va_list	arg
	)

vsnprintf()

_PUBLIC int vsnprintf	(	char *_RESTRICT	s,
		size_t	n,
		const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 5 of file vsnprintf.c.

References _print(), _format_ctx_t::arg, _format_ctx_t::base, _format_ctx_t::buffer, _format_ctx_t::currentChars, EOF, _format_ctx_t::flags, _format_ctx_t::maxChars, NULL, _format_ctx_t::precision, _format_ctx_t::stream, _format_ctx_t::totalChars, va_copy, va_end, and _format_ctx_t::width.

Referenced by log_vprint(), openf(), panic(), snprintf(), sprintf(), vopenf(), vremovef(), vsprintf(), and vwritef().

vsprintf()

_PUBLIC int vsprintf	(	char *_RESTRICT	s,
		const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 5 of file vsprintf.c.

References SIZE_MAX, and vsnprintf().

vsscanf()

_PUBLIC int vsscanf	(	const char *_RESTRICT	s,
		const char *_RESTRICT	format,
		va_list	arg
	)

Definition at line 7 of file vsscanf.c.

References _scan(), _format_ctx_t::arg, _format_ctx_t::base, _format_ctx_t::buffer, _format_ctx_t::currentChars, EOF, _format_ctx_t::flags, isspace(), _format_ctx_t::maxChars, NULL, _format_ctx_t::precision, _format_ctx_t::stream, _format_ctx_t::totalChars, va_copy, va_end, and _format_ctx_t::width.

Referenced by sscanf(), and vreadf().

Variable Documentation

stderr

FILE* stderr

extern

Definition at line 18 of file std_streams.c.

Referenced by _assert_89(), _assert_99(), _file_free(), _files_init(), _std_stream_init(), _std_streams_init(), abort_handler_s(), builtin_cd(), main(), main(), perror(), pipeline_execute_cmd(), print_dir(), and thrd_exit().

stdin

FILE* stdin

extern

Definition at line 16 of file std_streams.c.

Referenced by _file_free(), _std_streams_init(), and getchar().

stdout

FILE* stdout

extern

Definition at line 17 of file std_streams.c.

Referenced by _file_free(), _std_streams_init(), benchmark(), interactive_handle_ansi(), interactive_prompt(), printf(), putchar(), puts(), stats_print(), terminal_columns_get(), and vprintf().