1 /* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
3 The GNU C Library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Library General Public License as
5 published by the Free Software Foundation; either version 2 of the
6 License, or (at your option) any later version.
8 The GNU C Library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
13 You should have received a copy of the GNU Library General Public
14 License along with the GNU C Library; see the file COPYING.LIB. If
15 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
16 Cambridge, MA 02139, USA. */
34 #include "localeinfo.h"
37 /* If set print the name of the category. */
38 static int show_category_name;
40 /* If set print the name of the item. */
41 static int show_keyword_name;
44 static const struct option long_options[] =
46 { "all-locales", no_argument, NULL, 'a' },
47 { "category-name", no_argument, &show_category_name, 1 },
48 { "charmaps", no_argument, NULL, 'm' },
49 { "help", no_argument, NULL, 'h' },
50 { "keyword-name", no_argument, &show_keyword_name, 1 },
51 { "version", no_argument, NULL, 'v' },
56 /* We don't have these constants defined because we don't use them. Give
58 #define CTYPE_MB_CUR_MIN 0
59 #define CTYPE_MB_CUR_MAX 0
60 #define CTYPE_HASH_SIZE 0
61 #define CTYPE_HASH_LAYERS 0
63 #define CTYPE_TOUPPER_EB 0
64 #define CTYPE_TOLOWER_EB 0
65 #define CTYPE_TOUPPER_EL 0
66 #define CTYPE_TOLOWER_EL 0
68 /* Definition of the data structure which represents a category and its
79 enum { std, opt } status;
80 enum value_type value_type;
86 /* Simple helper macro. */
87 #define NELEMS(arr) ((sizeof (arr)) / (sizeof (arr[0])))
89 /* For some tricky stuff. */
90 #define NO_PAREN(Item, More...) Item, ## More
92 /* We have all categories defined in `categories.def'. Now construct
93 the description and data structure used for all categories. */
94 #define DEFINE_ELEMENT(Item, More...) { Item, ## More },
95 #define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \
96 static struct cat_item category##_desc[] = \
101 #include "categories.def"
102 #undef DEFINE_CATEGORY
104 static struct category category[] =
106 #define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \
107 { _NL_NUM_##category, name, NELEMS (category##_desc) - 1, \
109 #include "categories.def"
110 #undef DEFINE_CATEGORY
112 #define NCATEGORIES NELEMS (category)
115 /* Prototypes for local functions. */
116 static void usage (int status) __attribute__ ((noreturn));
117 static void write_locales (void);
118 static void write_charmaps (void);
119 static void show_locale_vars (void);
120 static void show_info (const char *name);
124 main (int argc, char *argv[])
132 /* Set initial values for global varaibles. */
133 show_category_name = 0;
134 show_keyword_name = 0;
136 /* Set locale. Do not set LC_ALL because the other categories must
137 not be affected (acccording to POSIX.2). */
138 setlocale (LC_CTYPE, "");
139 setlocale (LC_MESSAGES, "");
141 /* Initialize the message catalog. */
142 textdomain (PACKAGE);
144 while ((optchar = getopt_long (argc, argv, "achkmv", long_options, NULL))
154 show_category_name = 1;
160 show_keyword_name = 1;
169 error (1, 0, gettext ("illegal option \"%s\""), optarg);
173 /* Version information is requested. */
176 fprintf (stderr, "GNU %s %s\n", PACKAGE, VERSION);
180 /* Help is requested. */
182 usage (EXIT_SUCCESS);
184 /* `-a' requests the names of all available locales. */
191 /* `m' requests the names of all available charmaps. The names can be
192 used for the -f argument to localedef(3). */
193 if (do_charmaps != 0)
199 /* If no real argument is given we have to print the contents of the
200 current locale definition variables. These are LANG and the LC_*. */
201 if (optind == argc && show_keyword_name == 0 && show_category_name == 0)
207 /* Process all given names. */
208 while (optind < argc)
209 show_info (argv[optind++]);
215 /* Display usage information and exit. */
219 if (status != EXIT_SUCCESS)
220 fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
221 program_invocation_name);
224 Usage: %s [OPTION]... name\n\
225 Mandatory arguments to long options are mandatory for short options too.\n\
226 -h, --help display this help and exit\n\
227 -v, --version output version information and exit\n\
229 -a, --all-locales write names of available locales\n\
230 -m, --charmaps write names of available charmaps\n\
232 -c, --category-name write names of selected categories\n\
233 -k, --keyword-name write names of selected keywords\n\
235 "), program_invocation_name);
241 /* Write the names of all available locales to stdout. */
246 struct dirent *dirent;
248 /* `POSIX' locale is always available (POSIX.2 4.34.3). */
251 dir = opendir (LOCALE_PATH);
254 error (1, errno, gettext ("cannot read locale directory `%s'"),
259 /* Now we can look for all files in the directory. */
260 while ((dirent = readdir (dir)) != NULL)
261 if (strcmp (dirent->d_name, ".") != 0
262 && strcmp (dirent->d_name, "..") != 0)
263 puts (dirent->d_name);
269 /* Write the names of all available character maps to stdout. */
271 write_charmaps (void)
274 struct dirent *dirent;
276 dir = opendir (CHARMAP_PATH);
279 error (1, errno, gettext ("cannot read character map directory `%s'"),
284 /* Now we can look for all files in the directory. */
285 while ((dirent = readdir (dir)) != NULL)
286 if (strcmp (dirent->d_name, ".") != 0
287 && strcmp (dirent->d_name, "..") != 0)
288 puts (dirent->d_name);
294 /* We have to show the contents of the environments determining the
297 show_locale_vars (void)
300 const char *lcall = getenv ("LC_ALL");
301 const char *lang = getenv ("LANG") ? : "POSIX";
303 void get_source (const char *name)
305 char *val = getenv (name);
307 if (lcall != NULL || val == NULL)
308 printf ("%s=\"%s\"\n", name, lcall ? : lang);
310 printf ("%s=%s\n", name, val);
313 /* LANG has to be the first value. */
314 printf ("LANG=%s\n", lang);
316 /* Now all categories in an unspecified order. */
317 for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
318 get_source (category[cat_no].name);
320 /* The last is the LC_ALL value. */
321 printf ("LC_ALL=%s\n", lcall ? : "");
325 /* Show the information request for NAME. */
327 show_info (const char *name)
331 void print_item (struct cat_item *item)
333 if (show_keyword_name != 0)
334 printf ("%s=", item->name);
336 switch (item->value_type)
339 printf ("%s%s%s", show_keyword_name ? "\"" : "",
340 nl_langinfo (item->item_id) ? : "",
341 show_keyword_name ? "\"" : "");
348 if (show_keyword_name)
351 for (cnt = 0; cnt < item->max - 1; ++cnt)
353 val = nl_langinfo (item->item_id + cnt);
354 printf ("%s;", val ? : "");
357 val = nl_langinfo (item->item_id + cnt);
358 printf ("%s", val ? : "");
360 if (show_keyword_name)
366 const char *val = nl_langinfo (item->item_id);
369 printf ("%d", *val == CHAR_MAX ? -1 : *val);
374 const char *val = nl_langinfo (item->item_id);
375 int cnt = val ? strlen (val) : 0;
379 printf ("%d;", *val == CHAR_MAX ? -1 : *val);
384 printf ("%d", cnt == 0 || *val == CHAR_MAX ? -1 : *val);
389 unsigned int val = (unsigned int) nl_langinfo (item->item_id);
398 for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
402 if (strcmp (name, category[cat_no].name) == 0)
403 /* Print the whole category. */
405 if (show_category_name != 0)
406 puts (category[cat_no].name);
408 for (item_no = 0; item_no < category[cat_no].number; ++item_no)
409 print_item (&category[cat_no].item_desc[item_no]);
414 for (item_no = 0; item_no < category[cat_no].number; ++item_no)
415 if (strcmp (name, category[cat_no].item_desc[item_no].name) == 0)
417 if (show_category_name != 0)
418 puts (category[cat_no].name);
420 print_item (&category[cat_no].item_desc[item_no]);