445 lines
11 KiB
C
445 lines
11 KiB
C
/* locale - Implementation of the locale program according to POSIX 1003.2
|
|
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <dirent.h>
|
|
#include <error.h>
|
|
#include <getopt.h>
|
|
#include <langinfo.h>
|
|
#include <libintl.h>
|
|
#include <limits.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#include "localeinfo.h"
|
|
|
|
|
|
/* If set print the name of the category. */
|
|
static int show_category_name;
|
|
|
|
/* If set print the name of the item. */
|
|
static int show_keyword_name;
|
|
|
|
/* Long options. */
|
|
static const struct option long_options[] =
|
|
{
|
|
{ "all-locales", no_argument, NULL, 'a' },
|
|
{ "category-name", no_argument, &show_category_name, 1 },
|
|
{ "charmaps", no_argument, NULL, 'm' },
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "keyword-name", no_argument, &show_keyword_name, 1 },
|
|
{ "version", no_argument, NULL, 'V' },
|
|
{ NULL, 0, NULL, 0 }
|
|
};
|
|
|
|
|
|
/* We don't have these constants defined because we don't use them. Give
|
|
default values. */
|
|
#define CTYPE_MB_CUR_MIN 0
|
|
#define CTYPE_MB_CUR_MAX 0
|
|
#define CTYPE_HASH_SIZE 0
|
|
#define CTYPE_HASH_LAYERS 0
|
|
#define CTYPE_CLASS 0
|
|
#define CTYPE_TOUPPER_EB 0
|
|
#define CTYPE_TOLOWER_EB 0
|
|
#define CTYPE_TOUPPER_EL 0
|
|
#define CTYPE_TOLOWER_EL 0
|
|
|
|
/* Definition of the data structure which represents a category and its
|
|
items. */
|
|
struct category
|
|
{
|
|
int cat_id;
|
|
const char *name;
|
|
size_t number;
|
|
struct cat_item
|
|
{
|
|
int item_id;
|
|
const char *name;
|
|
enum { std, opt } status;
|
|
enum value_type value_type;
|
|
int min;
|
|
int max;
|
|
} *item_desc;
|
|
};
|
|
|
|
/* Simple helper macro. */
|
|
#define NELEMS(arr) ((sizeof (arr)) / (sizeof (arr[0])))
|
|
|
|
/* For some tricky stuff. */
|
|
#define NO_PAREN(Item, More...) Item, ## More
|
|
|
|
/* We have all categories defined in `categories.def'. Now construct
|
|
the description and data structure used for all categories. */
|
|
#define DEFINE_ELEMENT(Item, More...) { Item, ## More },
|
|
#define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \
|
|
static struct cat_item category##_desc[] = \
|
|
{ \
|
|
NO_PAREN items \
|
|
};
|
|
|
|
#include "categories.def"
|
|
#undef DEFINE_CATEGORY
|
|
|
|
static struct category category[] =
|
|
{
|
|
#define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \
|
|
[category] = { _NL_NUM_##category, name, NELEMS (category##_desc), \
|
|
category##_desc },
|
|
#include "categories.def"
|
|
#undef DEFINE_CATEGORY
|
|
};
|
|
#define NCATEGORIES NELEMS (category)
|
|
|
|
|
|
/* Automatically set variable. */
|
|
extern const char *__progname;
|
|
|
|
/* helper function for extended name handling. */
|
|
extern void locale_special (const char *name, int show_category_name,
|
|
int show_keyword_name);
|
|
|
|
/* Prototypes for local functions. */
|
|
static void usage (int status) __attribute__ ((noreturn));
|
|
static void write_locales (void);
|
|
static void write_charmaps (void);
|
|
static void show_locale_vars (void);
|
|
static void show_info (const char *name);
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int optchar;
|
|
int do_all = 0;
|
|
int do_help = 0;
|
|
int do_version = 0;
|
|
int do_charmaps = 0;
|
|
|
|
/* Set initial values for global variables. */
|
|
show_category_name = 0;
|
|
show_keyword_name = 0;
|
|
|
|
/* Set locale. Do not set LC_ALL because the other categories must
|
|
not be affected (acccording to POSIX.2). */
|
|
setlocale (LC_CTYPE, "");
|
|
setlocale (LC_MESSAGES, "");
|
|
|
|
/* Initialize the message catalog. */
|
|
textdomain (PACKAGE);
|
|
|
|
while ((optchar = getopt_long (argc, argv, "achkmV", long_options, NULL))
|
|
!= EOF)
|
|
switch (optchar)
|
|
{
|
|
case '\0': /* Long option. */
|
|
break;
|
|
case 'a':
|
|
do_all = 1;
|
|
break;
|
|
case 'c':
|
|
show_category_name = 1;
|
|
break;
|
|
case 'h':
|
|
do_help = 1;
|
|
break;
|
|
case 'k':
|
|
show_keyword_name = 1;
|
|
break;
|
|
case 'm':
|
|
do_charmaps = 1;
|
|
break;
|
|
case 'V':
|
|
do_version = 1;
|
|
break;
|
|
default:
|
|
usage (EXIT_FAILURE);
|
|
}
|
|
|
|
/* Version information is requested. */
|
|
if (do_version)
|
|
{
|
|
fprintf (stderr, "%s - GNU %s %s\n", __progname, PACKAGE, VERSION);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
|
|
/* Help is requested. */
|
|
if (do_help)
|
|
usage (EXIT_SUCCESS);
|
|
|
|
/* `-a' requests the names of all available locales. */
|
|
if (do_all != 0)
|
|
{
|
|
write_locales ();
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
|
|
/* `m' requests the names of all available charmaps. The names can be
|
|
used for the -f argument to localedef(3). */
|
|
if (do_charmaps != 0)
|
|
{
|
|
write_charmaps ();
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
|
|
/* Specific information about the current locale are requested.
|
|
Change to this locale now. */
|
|
setlocale (LC_ALL, "");
|
|
|
|
/* If no real argument is given we have to print the contents of the
|
|
current locale definition variables. These are LANG and the LC_*. */
|
|
if (optind == argc && show_keyword_name == 0 && show_category_name == 0)
|
|
{
|
|
show_locale_vars ();
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
|
|
/* Process all given names. */
|
|
while (optind < argc)
|
|
show_info (argv[optind++]);
|
|
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
|
|
|
|
/* Display usage information and exit. */
|
|
static void
|
|
usage (int status)
|
|
{
|
|
if (status != EXIT_SUCCESS)
|
|
fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
|
|
__progname);
|
|
else
|
|
{
|
|
printf (gettext ("\
|
|
Usage: %s [OPTION]... name\n\
|
|
Mandatory arguments to long options are mandatory for short options too.\n\
|
|
-h, --help display this help and exit\n\
|
|
-V, --version output version information and exit\n\
|
|
\n\
|
|
-a, --all-locales write names of available locales\n\
|
|
-m, --charmaps write names of available charmaps\n\
|
|
\n\
|
|
-c, --category-name write names of selected categories\n\
|
|
-k, --keyword-name write names of selected keywords\n"),
|
|
__progname);
|
|
printf (gettext ("Report bugs to <bug-glibc@prep.ai.mit.edu>.\n"));
|
|
}
|
|
|
|
exit (status);
|
|
}
|
|
|
|
|
|
/* Write the names of all available locales to stdout. */
|
|
static void
|
|
write_locales (void)
|
|
{
|
|
DIR *dir;
|
|
struct dirent *dirent;
|
|
|
|
/* `POSIX' locale is always available (POSIX.2 4.34.3). */
|
|
puts ("POSIX");
|
|
|
|
dir = opendir (LOCALE_PATH);
|
|
if (dir == NULL)
|
|
{
|
|
error (1, errno, gettext ("cannot read locale directory `%s'"),
|
|
LOCALE_PATH);
|
|
return;
|
|
}
|
|
|
|
/* Now we can look for all files in the directory. */
|
|
while ((dirent = readdir (dir)) != NULL)
|
|
if (strcmp (dirent->d_name, ".") != 0
|
|
&& strcmp (dirent->d_name, "..") != 0)
|
|
puts (dirent->d_name);
|
|
|
|
closedir (dir);
|
|
}
|
|
|
|
|
|
/* Write the names of all available character maps to stdout. */
|
|
static void
|
|
write_charmaps (void)
|
|
{
|
|
DIR *dir;
|
|
struct dirent *dirent;
|
|
|
|
dir = opendir (CHARMAP_PATH);
|
|
if (dir == NULL)
|
|
{
|
|
error (1, errno, gettext ("cannot read character map directory `%s'"),
|
|
CHARMAP_PATH);
|
|
return;
|
|
}
|
|
|
|
/* Now we can look for all files in the directory. */
|
|
while ((dirent = readdir (dir)) != NULL)
|
|
if (strcmp (dirent->d_name, ".") != 0
|
|
&& strcmp (dirent->d_name, "..") != 0)
|
|
puts (dirent->d_name);
|
|
|
|
closedir (dir);
|
|
}
|
|
|
|
|
|
/* We have to show the contents of the environments determining the
|
|
locale. */
|
|
static void
|
|
show_locale_vars (void)
|
|
{
|
|
size_t cat_no;
|
|
const char *lcall = getenv ("LC_ALL");
|
|
const char *lang = getenv ("LANG") ? : "POSIX";
|
|
|
|
void get_source (const char *name)
|
|
{
|
|
char *val = getenv (name);
|
|
|
|
if (lcall != NULL || val == NULL)
|
|
printf ("%s=\"%s\"\n", name, lcall ? : lang);
|
|
else
|
|
printf ("%s=%s\n", name, val);
|
|
}
|
|
|
|
/* LANG has to be the first value. */
|
|
printf ("LANG=%s\n", lang);
|
|
|
|
/* Now all categories in an unspecified order. */
|
|
for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
|
|
get_source (category[cat_no].name);
|
|
|
|
/* The last is the LC_ALL value. */
|
|
printf ("LC_ALL=%s\n", lcall ? : "");
|
|
}
|
|
|
|
|
|
/* Show the information request for NAME. */
|
|
static void
|
|
show_info (const char *name)
|
|
{
|
|
size_t cat_no;
|
|
|
|
void print_item (struct cat_item *item)
|
|
{
|
|
if (show_keyword_name != 0)
|
|
printf ("%s=", item->name);
|
|
|
|
switch (item->value_type)
|
|
{
|
|
case string:
|
|
printf ("%s%s%s", show_keyword_name ? "\"" : "",
|
|
nl_langinfo (item->item_id) ? : "",
|
|
show_keyword_name ? "\"" : "");
|
|
break;
|
|
case stringarray:
|
|
{
|
|
int cnt;
|
|
const char *val;
|
|
|
|
if (show_keyword_name)
|
|
putchar ('"');
|
|
|
|
for (cnt = 0; cnt < item->max - 1; ++cnt)
|
|
{
|
|
val = nl_langinfo (item->item_id + cnt);
|
|
printf ("%s;", val ? : "");
|
|
}
|
|
|
|
val = nl_langinfo (item->item_id + cnt);
|
|
printf ("%s", val ? : "");
|
|
|
|
if (show_keyword_name)
|
|
putchar ('"');
|
|
}
|
|
break;
|
|
case byte:
|
|
{
|
|
const char *val = nl_langinfo (item->item_id);
|
|
|
|
if (val != NULL)
|
|
printf ("%d", *val == CHAR_MAX ? -1 : *val);
|
|
}
|
|
break;
|
|
case bytearray:
|
|
{
|
|
const char *val = nl_langinfo (item->item_id);
|
|
int cnt = val ? strlen (val) : 0;
|
|
|
|
while (cnt > 1)
|
|
{
|
|
printf ("%d;", *val == CHAR_MAX ? -1 : *val);
|
|
--cnt;
|
|
++val;
|
|
}
|
|
|
|
printf ("%d", cnt == 0 || *val == CHAR_MAX ? -1 : *val);
|
|
}
|
|
break;
|
|
case word:
|
|
{
|
|
unsigned int val = (unsigned int) nl_langinfo (item->item_id);
|
|
printf ("%d", val);
|
|
}
|
|
break;
|
|
default:
|
|
}
|
|
putchar ('\n');
|
|
}
|
|
|
|
for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
|
|
{
|
|
size_t item_no;
|
|
|
|
if (strcmp (name, category[cat_no].name) == 0)
|
|
/* Print the whole category. */
|
|
{
|
|
if (show_category_name != 0)
|
|
puts (category[cat_no].name);
|
|
|
|
for (item_no = 0; item_no < category[cat_no].number; ++item_no)
|
|
print_item (&category[cat_no].item_desc[item_no]);
|
|
|
|
return;
|
|
}
|
|
|
|
for (item_no = 0; item_no < category[cat_no].number; ++item_no)
|
|
if (strcmp (name, category[cat_no].item_desc[item_no].name) == 0)
|
|
{
|
|
if (show_category_name != 0)
|
|
puts (category[cat_no].name);
|
|
|
|
print_item (&category[cat_no].item_desc[item_no]);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* When we get to here the name is not standard ones. For testing
|
|
and perhpas advanced use we allow some more symbols. */
|
|
locale_special (name, show_category_name, show_keyword_name);
|
|
}
|