liolib.c File Reference

#include "lprefix.h"
#include <ctype.h>
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"

Include dependency graph for liolib.c:

Go to the source code of this file.

Classes
struct	RN

Macros
#define	IO_INPUT   (IO_PREFIX "input")
#define	IO_OUTPUT   (IO_PREFIX "output")
#define	IO_PREFIX   "_IO_"
#define	IOPREF_LEN   (sizeof(IO_PREFIX)/sizeof(char) - 1)
#define	isclosed(p)   ((p)->closef == NULL)
#define	l_checkmodep(m)   ((m[0] == 'r' || m[0] == 'w') && m[1] == '\0')
#define	l_fseek(f, o, w)   fseek(f,o,w)
#define	l_ftell(f)   ftell(f)
#define	l_getc(f)   getc(f)
#define	l_lockfile(f)   ((void)0)
#define	L_MAXLENNUM   200
#define	L_MODEEXT   "b"
#define	l_pclose(L, file)   ((void)L, (void)file, -1)
#define	l_popen(L, c, m)
#define	l_seeknum   long
#define	l_unlockfile(f)   ((void)0)
#define	liolib_c
#define	LUA_LIB
#define	MAXARGLINE   250
#define	tolstream(L)   ((LStream *)luaL_checkudata(L, 1, LUA_FILEHANDLE))

Typedefs
typedef luaL_Stream	LStream

Functions
static int	aux_close (lua_State *L)
static void	aux_lines (lua_State *L, int toclose)
static void	createmeta (lua_State *L)
static void	createstdfile (lua_State *L, FILE *f, const char *k, const char *fname)
static int	f_close (lua_State *L)
static int	f_flush (lua_State *L)
static int	f_gc (lua_State *L)
static int	f_lines (lua_State *L)
static int	f_read (lua_State *L)
static int	f_seek (lua_State *L)
static int	f_setvbuf (lua_State *L)
static int	f_tostring (lua_State *L)
static int	f_write (lua_State *L)
static int	g_iofile (lua_State *L, const char *f, const char *mode)
static int	g_read (lua_State *L, FILE *f, int first)
static int	g_write (lua_State *L, FILE *f, int arg)
static FILE *	getiofile (lua_State *L, const char *findex)
static int	io_close (lua_State *L)
static int	io_fclose (lua_State *L)
static int	io_flush (lua_State *L)
static int	io_input (lua_State *L)
static int	io_lines (lua_State *L)
static int	io_noclose (lua_State *L)
static int	io_open (lua_State *L)
static int	io_output (lua_State *L)
static int	io_pclose (lua_State *L)
static int	io_popen (lua_State *L)
static int	io_read (lua_State *L)
static int	io_readline (lua_State *L)
static int	io_tmpfile (lua_State *L)
static int	io_type (lua_State *L)
static int	io_write (lua_State *L)
static int	l_checkmode (const char *mode)
LUAMOD_API int	luaopen_io (lua_State *L)
static LStream *	newfile (lua_State *L)
static LStream *	newprefile (lua_State *L)
static int	nextc (RN *rn)
static void	opencheck (lua_State *L, const char *fname, const char *mode)
static void	read_all (lua_State *L, FILE *f)
static int	read_chars (lua_State *L, FILE *f, size_t n)
static int	read_line (lua_State *L, FILE *f, int chop)
static int	read_number (lua_State *L, FILE *f)
static int	readdigits (RN *rn, int hex)
static int	test2 (RN *rn, const char *set)
static int	test_eof (lua_State *L, FILE *f)
static FILE *	tofile (lua_State *L)

Variables
static const luaL_Reg	iolib []
static const luaL_Reg	metameth []
static const luaL_Reg	meth []

Macro Definition Documentation

IO_INPUT

#define IO_INPUT   (IO_PREFIX "input")

Definition at line 151 of file liolib.c.

IO_OUTPUT

#define IO_OUTPUT   (IO_PREFIX "output")

Definition at line 152 of file liolib.c.

IO_PREFIX

#define IO_PREFIX   "_IO_"

Definition at line 149 of file liolib.c.

IOPREF_LEN

#define IOPREF_LEN   (sizeof(IO_PREFIX)/sizeof(char) - 1)

Definition at line 150 of file liolib.c.

isclosed

#define isclosed

(

p

)

((p)->closef == NULL)

Definition at line 160 of file liolib.c.

l_checkmodep

#define l_checkmodep

(

m

)

((m[0] == 'r' || m[0] == 'w') && m[1] == '\0')

Definition at line 89 of file liolib.c.

l_fseek

#define l_fseek	(		f,
			o,
			w
	)		fseek(f,o,w)

Definition at line 137 of file liolib.c.

l_ftell

#define l_ftell

(

f

)

ftell(f)

Definition at line 138 of file liolib.c.

l_getc

#define l_getc

(

f

)

getc(f)

Definition at line 102 of file liolib.c.

l_lockfile

#define l_lockfile

(

f

)

((void)0)

Definition at line 103 of file liolib.c.

L_MAXLENNUM

#define L_MAXLENNUM   200

Definition at line 422 of file liolib.c.

L_MODEEXT

#define L_MODEEXT   "b"

Definition at line 36 of file liolib.c.

l_pclose

#define l_pclose	(		L,
			file
	)		((void)L, (void)file, -1)

Definition at line 80 of file liolib.c.

l_popen

#define l_popen	(		L,
			c,
			m
	)

Value:

          ((void)c, (void)m, \
          luaL_error(L, "'popen' not supported"), \
          (FILE*)0)

Definition at line 76 of file liolib.c.

l_seeknum

#define l_seeknum   long

Definition at line 139 of file liolib.c.

l_unlockfile

#define l_unlockfile

(

f

)

((void)0)

Definition at line 104 of file liolib.c.

liolib_c

#define liolib_c

Definition at line 7 of file liolib.c.

LUA_LIB

#define LUA_LIB

Definition at line 8 of file liolib.c.

MAXARGLINE

#define MAXARGLINE   250

Definition at line 352 of file liolib.c.

tolstream

#define tolstream

(

L

)

((LStream *)luaL_checkudata(L, 1, LUA_FILEHANDLE))

Definition at line 158 of file liolib.c.

Typedef Documentation

LStream

typedef luaL_Stream LStream

Definition at line 155 of file liolib.c.

Function Documentation

aux_close()

static int aux_close ( lua_State *  L )

static

Definition at line 214 of file liolib.c.

aux_lines()

static void aux_lines ( lua_State *  L, int  toclose  )

static

Definition at line 363 of file liolib.c.

createmeta()

static void createmeta ( lua_State *  L )

static

Definition at line 784 of file liolib.c.

createstdfile()

static void createstdfile ( lua_State *  L, FILE *  f, const char *  k, const char *  fname  )

static

Definition at line 806 of file liolib.c.

f_close()

static int f_close ( lua_State *  L )

static

Definition at line 222 of file liolib.c.

f_flush()

static int f_flush ( lua_State *  L )

static

Definition at line 733 of file liolib.c.

f_gc()

static int f_gc ( lua_State *  L )

static

Definition at line 235 of file liolib.c.

f_lines()

static int f_lines ( lua_State *  L )

static

Definition at line 374 of file liolib.c.

f_read()

static int f_read ( lua_State *  L )

static

Definition at line 621 of file liolib.c.

f_seek()

static int f_seek ( lua_State *  L )

static

Definition at line 697 of file liolib.c.

f_setvbuf()

static int f_setvbuf ( lua_State *  L )

static

Definition at line 716 of file liolib.c.

f_tostring()

static int f_tostring ( lua_State *  L )

static

Definition at line 177 of file liolib.c.

f_write()

static int f_write ( lua_State *  L )

static

Definition at line 690 of file liolib.c.

g_iofile()

static int g_iofile ( lua_State *  L, const char *  f, const char *  mode  )

static

Definition at line 318 of file liolib.c.

g_read()

static int g_read ( lua_State *  L, FILE *  f, int  first  )

static

Definition at line 566 of file liolib.c.

g_write()

static int g_write ( lua_State *  L, FILE *  f, int  arg  )

static

Definition at line 660 of file liolib.c.

getiofile()

static FILE* getiofile ( lua_State *  L, const char *  findex  )

static

Definition at line 308 of file liolib.c.

io_close()

static int io_close ( lua_State *  L )

static

Definition at line 228 of file liolib.c.

io_fclose()

static int io_fclose ( lua_State *  L )

static

Definition at line 246 of file liolib.c.

io_flush()

static int io_flush ( lua_State *  L )

static

Definition at line 728 of file liolib.c.

io_input()

static int io_input ( lua_State *  L )

static

Definition at line 335 of file liolib.c.

io_lines()

static int io_lines ( lua_State *  L )

static

Definition at line 386 of file liolib.c.

io_noclose()

static int io_noclose ( lua_State *  L )

static

Definition at line 797 of file liolib.c.

io_open()

static int io_open ( lua_State *  L )

static

Definition at line 269 of file liolib.c.

io_output()

static int io_output ( lua_State *  L )

static

Definition at line 340 of file liolib.c.

io_pclose()

static int io_pclose ( lua_State *  L )

static

Definition at line 283 of file liolib.c.

io_popen()

static int io_popen ( lua_State *  L )

static

Definition at line 290 of file liolib.c.

io_read()

static int io_read ( lua_State *  L )

static

Definition at line 616 of file liolib.c.

io_readline()

static int io_readline ( lua_State *  L )

static

Definition at line 629 of file liolib.c.

io_tmpfile()

static int io_tmpfile ( lua_State *  L )

static

Definition at line 301 of file liolib.c.

io_type()

static int io_type ( lua_State *  L )

static

Definition at line 163 of file liolib.c.

io_write()

static int io_write ( lua_State *  L )

static

Definition at line 685 of file liolib.c.

l_checkmode()

static int l_checkmode ( const char *  mode )

static

Definition at line 40 of file liolib.c.

luaopen_io()

LUAMOD_API int luaopen_io

(

lua_State *

L

)

Definition at line 819 of file liolib.c.

newfile()

static LStream* newfile ( lua_State *  L )

static

Definition at line 253 of file liolib.c.

newprefile()

static LStream* newprefile ( lua_State *  L )

static

Definition at line 201 of file liolib.c.

nextc()

static int nextc ( RN *  rn )

static

Definition at line 438 of file liolib.c.

opencheck()

static void opencheck ( lua_State *  L, const char *  fname, const char *  mode  )

static

Definition at line 261 of file liolib.c.

read_all()

static void read_all ( lua_State *  L, FILE *  f  )

static

Definition at line 540 of file liolib.c.

read_chars()

static int read_chars ( lua_State *  L, FILE *  f, size_t  n  )

static

Definition at line 553 of file liolib.c.

read_line()

static int read_line ( lua_State *  L, FILE *  f, int  chop  )

static

Definition at line 519 of file liolib.c.

read_number()

static int read_number ( lua_State *  L, FILE *  f  )

static

Definition at line 477 of file liolib.c.

readdigits()

static int readdigits ( RN *  rn, int  hex  )

static

Definition at line 464 of file liolib.c.

test2()

static int test2 ( RN *  rn, const char *  set  )

static

Definition at line 454 of file liolib.c.

test_eof()

static int test_eof ( lua_State *  L, FILE *  f  )

static

Definition at line 511 of file liolib.c.

tofile()

static FILE* tofile ( lua_State *  L )

static

Definition at line 187 of file liolib.c.

Variable Documentation

iolib

const luaL_Reg iolib[]

static

Initial value:

= {
  {"close", io_close},
  {"flush", io_flush},
  {"input", io_input},
  {"lines", io_lines},
  {"open", io_open},
  {"output", io_output},
  {"popen", io_popen},
  {"read", io_read},
  {"tmpfile", io_tmpfile},
  {"type", io_type},
  {"write", io_write},
  {NULL, NULL}
}

Definition at line 741 of file liolib.c.

metameth

const luaL_Reg metameth[]

static

Initial value:

= {
  {"__index", NULL},  
  {"__gc", f_gc},
  {"__close", f_gc},
  {"__tostring", f_tostring},
  {NULL, NULL}
}

Definition at line 775 of file liolib.c.

meth

const luaL_Reg meth[]

static

Initial value:

= {
  {"read", f_read},
  {"write", f_write},
  {"lines", f_lines},
  {"flush", f_flush},
  {"seek", f_seek},
  {"close", f_close},
  {"setvbuf", f_setvbuf},
  {NULL, NULL}
}

Definition at line 760 of file liolib.c.