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Commit | Line | Data |
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5107cf1d | 1 | /* Implementation of the locale program according to POSIX 9945-2. |
f7a9f785 | 2 | Copyright (C) 1995-2016 Free Software Foundation, Inc. |
6d52618b | 3 | This file is part of the GNU C Library. |
4b10dd6c | 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1995. |
2b83a2a4 | 5 | |
43bc8ac6 | 6 | This program is free software; you can redistribute it and/or modify |
2e2efe65 RM |
7 | it under the terms of the GNU General Public License as published |
8 | by the Free Software Foundation; version 2 of the License, or | |
9 | (at your option) any later version. | |
2b83a2a4 | 10 | |
43bc8ac6 | 11 | This program is distributed in the hope that it will be useful, |
6d52618b | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
43bc8ac6 UD |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | GNU General Public License for more details. | |
2b83a2a4 | 15 | |
43bc8ac6 | 16 | You should have received a copy of the GNU General Public License |
59ba27a6 | 17 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
2b83a2a4 | 18 | |
299a95b9 RM |
19 | #ifdef HAVE_CONFIG_H |
20 | # include <config.h> | |
21 | #endif | |
22 | ||
1fb05e3d UD |
23 | #include <argp.h> |
24 | #include <argz.h> | |
2b83a2a4 | 25 | #include <dirent.h> |
1fb05e3d | 26 | #include <errno.h> |
299a95b9 | 27 | #include <error.h> |
91cd8340 | 28 | #include <fcntl.h> |
2b83a2a4 RM |
29 | #include <langinfo.h> |
30 | #include <libintl.h> | |
31 | #include <limits.h> | |
32 | #include <locale.h> | |
1fb05e3d | 33 | #include <search.h> |
2b83a2a4 | 34 | #include <stdio.h> |
06b5289f | 35 | #include <stdio_ext.h> |
2b83a2a4 | 36 | #include <stdlib.h> |
a1470b6f | 37 | #include <string.h> |
91cd8340 | 38 | #include <unistd.h> |
e054f494 | 39 | #include <stdint.h> |
91cd8340 | 40 | #include <sys/mman.h> |
1fb05e3d | 41 | #include <sys/stat.h> |
2b83a2a4 | 42 | |
19bc17a9 | 43 | #include "localeinfo.h" |
3e076219 | 44 | #include "charmap-dir.h" |
e98b69a6 | 45 | #include "../locarchive.h" |
6ff444c4 | 46 | #include <programs/xmalloc.h> |
2b83a2a4 | 47 | |
90fe682d | 48 | #define ARCHIVE_NAME COMPLOCALEDIR "/locale-archive" |
2b83a2a4 | 49 | |
2b83a2a4 RM |
50 | /* If set print the name of the category. */ |
51 | static int show_category_name; | |
52 | ||
53 | /* If set print the name of the item. */ | |
54 | static int show_keyword_name; | |
55 | ||
1fb05e3d UD |
56 | /* Print names of all available locales. */ |
57 | static int do_all; | |
58 | ||
59 | /* Print names of all available character maps. */ | |
60 | static int do_charmaps = 0; | |
61 | ||
91cd8340 UD |
62 | /* Nonzero if verbose output is wanted. */ |
63 | static int verbose; | |
64 | ||
1fb05e3d UD |
65 | /* Name and version of program. */ |
66 | static void print_version (FILE *stream, struct argp_state *state); | |
67 | void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; | |
68 | ||
69 | /* Definitions of arguments for argp functions. */ | |
5a97622d | 70 | static const struct argp_option options[] = |
19bc17a9 | 71 | { |
5a97622d UD |
72 | { NULL, 0, NULL, 0, N_("System information:") }, |
73 | { "all-locales", 'a', NULL, OPTION_NO_USAGE, | |
74 | N_("Write names of available locales") }, | |
75 | { "charmaps", 'm', NULL, OPTION_NO_USAGE, | |
76 | N_("Write names of available charmaps") }, | |
77 | { NULL, 0, NULL, 0, N_("Modify output format:") }, | |
78 | { "category-name", 'c', NULL, 0, N_("Write names of selected categories") }, | |
79 | { "keyword-name", 'k', NULL, 0, N_("Write names of selected keywords") }, | |
91cd8340 | 80 | { "verbose", 'v', NULL, 0, N_("Print more information") }, |
1fb05e3d UD |
81 | { NULL, 0, NULL, 0, NULL } |
82 | }; | |
83 | ||
84 | /* Short description of program. */ | |
cbbcaf23 | 85 | static const char doc[] = N_("Get locale-specific information."); |
1fb05e3d UD |
86 | |
87 | /* Strings for arguments in help texts. */ | |
5a97622d | 88 | static const char args_doc[] = N_("NAME\n[-a|-m]"); |
1fb05e3d UD |
89 | |
90 | /* Prototype for option handler. */ | |
91 | static error_t parse_opt (int key, char *arg, struct argp_state *state); | |
92 | ||
cbbcaf23 UD |
93 | /* Function to print some extra text in the help message. */ |
94 | static char *more_help (int key, const char *text, void *input); | |
95 | ||
1fb05e3d UD |
96 | /* Data structure to communicate with argp functions. */ |
97 | static struct argp argp = | |
98 | { | |
cbbcaf23 | 99 | options, parse_opt, args_doc, doc, NULL, more_help |
19bc17a9 | 100 | }; |
2b83a2a4 RM |
101 | |
102 | ||
103 | /* We don't have these constants defined because we don't use them. Give | |
104 | default values. */ | |
105 | #define CTYPE_MB_CUR_MIN 0 | |
106 | #define CTYPE_MB_CUR_MAX 0 | |
107 | #define CTYPE_HASH_SIZE 0 | |
108 | #define CTYPE_HASH_LAYERS 0 | |
109 | #define CTYPE_CLASS 0 | |
110 | #define CTYPE_TOUPPER_EB 0 | |
111 | #define CTYPE_TOLOWER_EB 0 | |
112 | #define CTYPE_TOUPPER_EL 0 | |
113 | #define CTYPE_TOLOWER_EL 0 | |
19bc17a9 | 114 | |
299a95b9 RM |
115 | /* Definition of the data structure which represents a category and its |
116 | items. */ | |
117 | struct category | |
19bc17a9 | 118 | { |
299a95b9 | 119 | int cat_id; |
19bc17a9 | 120 | const char *name; |
299a95b9 RM |
121 | size_t number; |
122 | struct cat_item | |
123 | { | |
124 | int item_id; | |
125 | const char *name; | |
126 | enum { std, opt } status; | |
127 | enum value_type value_type; | |
128 | int min; | |
129 | int max; | |
130 | } *item_desc; | |
19bc17a9 RM |
131 | }; |
132 | ||
299a95b9 RM |
133 | /* Simple helper macro. */ |
134 | #define NELEMS(arr) ((sizeof (arr)) / (sizeof (arr[0]))) | |
135 | ||
136 | /* For some tricky stuff. */ | |
137 | #define NO_PAREN(Item, More...) Item, ## More | |
2b83a2a4 RM |
138 | |
139 | /* We have all categories defined in `categories.def'. Now construct | |
140 | the description and data structure used for all categories. */ | |
299a95b9 | 141 | #define DEFINE_ELEMENT(Item, More...) { Item, ## More }, |
4b10dd6c | 142 | #define DEFINE_CATEGORY(category, name, items, postload) \ |
2b83a2a4 RM |
143 | static struct cat_item category##_desc[] = \ |
144 | { \ | |
561470e0 | 145 | NO_PAREN items \ |
2b83a2a4 RM |
146 | }; |
147 | ||
299a95b9 | 148 | #include "categories.def" |
2b83a2a4 RM |
149 | #undef DEFINE_CATEGORY |
150 | ||
151 | static struct category category[] = | |
152 | { | |
4b10dd6c | 153 | #define DEFINE_CATEGORY(category, name, items, postload) \ |
036cc82f RM |
154 | [category] = { _NL_NUM_##category, name, NELEMS (category##_desc), \ |
155 | category##_desc }, | |
299a95b9 | 156 | #include "categories.def" |
2b83a2a4 RM |
157 | #undef DEFINE_CATEGORY |
158 | }; | |
159 | #define NCATEGORIES NELEMS (category) | |
160 | ||
161 | ||
036cc82f RM |
162 | /* Automatically set variable. */ |
163 | extern const char *__progname; | |
164 | ||
165 | /* helper function for extended name handling. */ | |
166 | extern void locale_special (const char *name, int show_category_name, | |
167 | int show_keyword_name); | |
168 | ||
2b83a2a4 | 169 | /* Prototypes for local functions. */ |
e98b69a6 UD |
170 | static void print_LC_IDENTIFICATION (void *mapped, size_t size); |
171 | static void print_LC_CTYPE (void *mapped, size_t size); | |
2b83a2a4 | 172 | static void write_locales (void); |
e98b69a6 UD |
173 | static int nameentcmp (const void *a, const void *b); |
174 | static int write_archive_locales (void **all_datap, char *linebuf); | |
2b83a2a4 RM |
175 | static void write_charmaps (void); |
176 | static void show_locale_vars (void); | |
177 | static void show_info (const char *name); | |
2b83a2a4 RM |
178 | |
179 | ||
180 | int | |
181 | main (int argc, char *argv[]) | |
182 | { | |
2f6d1f1b UD |
183 | int remaining; |
184 | ||
bba7bb78 | 185 | /* Set initial values for global variables. */ |
2b83a2a4 RM |
186 | show_category_name = 0; |
187 | show_keyword_name = 0; | |
188 | ||
189 | /* Set locale. Do not set LC_ALL because the other categories must | |
6d52618b | 190 | not be affected (according to POSIX.2). */ |
2e119864 UD |
191 | if (setlocale (LC_CTYPE, "") == NULL) |
192 | error (0, errno, gettext ("Cannot set LC_CTYPE to default locale")); | |
193 | if (setlocale (LC_MESSAGES, "") == NULL) | |
194 | error (0, errno, gettext ("Cannot set LC_MESSAGES to default locale")); | |
2b83a2a4 RM |
195 | |
196 | /* Initialize the message catalog. */ | |
197 | textdomain (PACKAGE); | |
198 | ||
1fb05e3d | 199 | /* Parse and process arguments. */ |
2f6d1f1b | 200 | argp_parse (&argp, argc, argv, 0, &remaining, NULL); |
2b83a2a4 | 201 | |
2b83a2a4 RM |
202 | /* `-a' requests the names of all available locales. */ |
203 | if (do_all != 0) | |
204 | { | |
2e119864 UD |
205 | if (setlocale (LC_COLLATE, "") == NULL) |
206 | error (0, errno, | |
207 | gettext ("Cannot set LC_COLLATE to default locale")); | |
2b83a2a4 RM |
208 | write_locales (); |
209 | exit (EXIT_SUCCESS); | |
210 | } | |
211 | ||
212 | /* `m' requests the names of all available charmaps. The names can be | |
8f2ece69 | 213 | used for the -f argument to localedef(1). */ |
2b83a2a4 RM |
214 | if (do_charmaps != 0) |
215 | { | |
216 | write_charmaps (); | |
217 | exit (EXIT_SUCCESS); | |
218 | } | |
219 | ||
76060ec0 RM |
220 | /* Specific information about the current locale are requested. |
221 | Change to this locale now. */ | |
84c9409e | 222 | if (setlocale (LC_ALL, "") == NULL) |
2e119864 | 223 | error (0, errno, gettext ("Cannot set LC_ALL to default locale")); |
76060ec0 | 224 | |
2b83a2a4 RM |
225 | /* If no real argument is given we have to print the contents of the |
226 | current locale definition variables. These are LANG and the LC_*. */ | |
2f6d1f1b | 227 | if (remaining == argc && show_keyword_name == 0 && show_category_name == 0) |
2b83a2a4 RM |
228 | { |
229 | show_locale_vars (); | |
230 | exit (EXIT_SUCCESS); | |
231 | } | |
232 | ||
233 | /* Process all given names. */ | |
2f6d1f1b UD |
234 | while (remaining < argc) |
235 | show_info (argv[remaining++]); | |
2b83a2a4 RM |
236 | |
237 | exit (EXIT_SUCCESS); | |
238 | } | |
239 | ||
240 | ||
1fb05e3d UD |
241 | /* Handle program arguments. */ |
242 | static error_t | |
243 | parse_opt (int key, char *arg, struct argp_state *state) | |
2b83a2a4 | 244 | { |
1fb05e3d | 245 | switch (key) |
fafaa44e | 246 | { |
1fb05e3d UD |
247 | case 'a': |
248 | do_all = 1; | |
249 | break; | |
250 | case 'c': | |
251 | show_category_name = 1; | |
252 | break; | |
253 | case 'm': | |
254 | do_charmaps = 1; | |
255 | break; | |
256 | case 'k': | |
257 | show_keyword_name = 1; | |
258 | break; | |
91cd8340 UD |
259 | case 'v': |
260 | verbose = 1; | |
261 | break; | |
1fb05e3d UD |
262 | default: |
263 | return ARGP_ERR_UNKNOWN; | |
fafaa44e | 264 | } |
1fb05e3d UD |
265 | return 0; |
266 | } | |
267 | ||
2b83a2a4 | 268 | |
cbbcaf23 UD |
269 | static char * |
270 | more_help (int key, const char *text, void *input) | |
271 | { | |
8b748aed | 272 | char *tp = NULL; |
cbbcaf23 UD |
273 | switch (key) |
274 | { | |
275 | case ARGP_KEY_HELP_EXTRA: | |
276 | /* We print some extra information. */ | |
8b748aed | 277 | if (asprintf (&tp, gettext ("\ |
cbbcaf23 | 278 | For bug reporting instructions, please see:\n\ |
8b748aed JM |
279 | %s.\n"), REPORT_BUGS_TO) < 0) |
280 | return NULL; | |
281 | return tp; | |
cbbcaf23 UD |
282 | default: |
283 | break; | |
284 | } | |
285 | return (char *) text; | |
286 | } | |
287 | ||
288 | ||
1fb05e3d UD |
289 | /* Print the version information. */ |
290 | static void | |
291 | print_version (FILE *stream, struct argp_state *state) | |
292 | { | |
8b748aed | 293 | fprintf (stream, "locale %s%s\n", PKGVERSION, VERSION); |
1fb05e3d UD |
294 | fprintf (stream, gettext ("\ |
295 | Copyright (C) %s Free Software Foundation, Inc.\n\ | |
296 | This is free software; see the source for copying conditions. There is NO\n\ | |
297 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ | |
9706dc5f | 298 | "), "2015"); |
1fb05e3d | 299 | fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); |
2b83a2a4 RM |
300 | } |
301 | ||
302 | ||
1fb05e3d UD |
303 | /* Simple action function which prints arguments as strings. */ |
304 | static void | |
305 | print_names (const void *nodep, VISIT value, int level) | |
306 | { | |
307 | if (value == postorder || value == leaf) | |
308 | puts (*(char **) nodep); | |
309 | } | |
310 | ||
311 | ||
fdc6c28a UD |
312 | static int |
313 | select_dirs (const struct dirent *dirent) | |
314 | { | |
315 | int result = 0; | |
316 | ||
317 | if (strcmp (dirent->d_name, ".") != 0 && strcmp (dirent->d_name, "..") != 0) | |
318 | { | |
319 | mode_t mode = 0; | |
320 | ||
321 | #ifdef _DIRENT_HAVE_D_TYPE | |
322 | if (dirent->d_type != DT_UNKNOWN && dirent->d_type != DT_LNK) | |
323 | mode = DTTOIF (dirent->d_type); | |
324 | else | |
325 | #endif | |
326 | { | |
327 | struct stat64 st; | |
90fe682d CD |
328 | char buf[sizeof (COMPLOCALEDIR) |
329 | + strlen (dirent->d_name) + 1]; | |
fdc6c28a | 330 | |
90fe682d CD |
331 | stpcpy (stpcpy (stpcpy (buf, COMPLOCALEDIR), "/"), |
332 | dirent->d_name); | |
fdc6c28a UD |
333 | |
334 | if (stat64 (buf, &st) == 0) | |
335 | mode = st.st_mode; | |
336 | } | |
337 | ||
338 | result = S_ISDIR (mode); | |
339 | } | |
340 | ||
341 | return result; | |
342 | } | |
343 | ||
344 | ||
e98b69a6 UD |
345 | static void |
346 | print_LC_IDENTIFICATION (void *mapped, size_t size) | |
347 | { | |
348 | /* Read the information from the file. */ | |
349 | struct | |
350 | { | |
351 | unsigned int magic; | |
352 | unsigned int nstrings; | |
353 | unsigned int strindex[0]; | |
354 | } *filedata = mapped; | |
355 | ||
356 | if (filedata->magic == LIMAGIC (LC_IDENTIFICATION) | |
357 | && (sizeof *filedata | |
358 | + (filedata->nstrings | |
359 | * sizeof (unsigned int)) | |
360 | <= size)) | |
361 | { | |
362 | const char *str; | |
363 | ||
364 | #define HANDLE(idx, name) \ | |
365 | str = ((char *) mapped \ | |
366 | + filedata->strindex[_NL_ITEM_INDEX (_NL_IDENTIFICATION_##idx)]); \ | |
367 | if (*str != '\0') \ | |
368 | printf ("%9s | %s\n", name, str) | |
369 | HANDLE (TITLE, "title"); | |
370 | HANDLE (SOURCE, "source"); | |
371 | HANDLE (ADDRESS, "address"); | |
372 | HANDLE (CONTACT, "contact"); | |
373 | HANDLE (EMAIL, "email"); | |
374 | HANDLE (TEL, "telephone"); | |
375 | HANDLE (FAX, "fax"); | |
376 | HANDLE (LANGUAGE, "language"); | |
377 | HANDLE (TERRITORY, "territory"); | |
378 | HANDLE (AUDIENCE, "audience"); | |
379 | HANDLE (APPLICATION, "application"); | |
380 | HANDLE (ABBREVIATION, "abbreviation"); | |
381 | HANDLE (REVISION, "revision"); | |
382 | HANDLE (DATE, "date"); | |
383 | } | |
384 | } | |
385 | ||
386 | ||
387 | static void | |
388 | print_LC_CTYPE (void *mapped, size_t size) | |
389 | { | |
390 | struct | |
391 | { | |
392 | unsigned int magic; | |
393 | unsigned int nstrings; | |
394 | unsigned int strindex[0]; | |
395 | } *filedata = mapped; | |
396 | ||
397 | if (filedata->magic == LIMAGIC (LC_CTYPE) | |
398 | && (sizeof *filedata | |
399 | + (filedata->nstrings | |
400 | * sizeof (unsigned int)) | |
401 | <= size)) | |
402 | { | |
403 | const char *str; | |
404 | ||
405 | str = ((char *) mapped | |
406 | + filedata->strindex[_NL_ITEM_INDEX (_NL_CTYPE_CODESET_NAME)]); | |
407 | if (*str != '\0') | |
408 | printf (" codeset | %s\n", str); | |
409 | } | |
410 | } | |
411 | ||
412 | ||
1fb05e3d UD |
413 | /* Write the names of all available locales to stdout. We have some |
414 | sources of the information: the contents of the locale directory | |
415 | and the locale.alias file. To avoid duplicates and print the | |
416 | result is a reasonable order we put all entries is a search tree | |
417 | and print them afterwards. */ | |
2b83a2a4 RM |
418 | static void |
419 | write_locales (void) | |
420 | { | |
91cd8340 | 421 | char linebuf[80]; |
1fb05e3d | 422 | void *all_data = NULL; |
fdc6c28a UD |
423 | struct dirent **dirents; |
424 | int ndirents; | |
425 | int cnt; | |
1fb05e3d UD |
426 | char *alias_path; |
427 | size_t alias_path_len; | |
428 | char *entry; | |
91cd8340 | 429 | int first_locale = 1; |
2b83a2a4 | 430 | |
91cd8340 | 431 | #define PUT(name) tsearch (name, &all_data, \ |
1fb05e3d | 432 | (int (*) (const void *, const void *)) strcoll) |
06a466e7 UD |
433 | #define GET(name) tfind (name, &all_data, \ |
434 | (int (*) (const void *, const void *)) strcoll) | |
2b83a2a4 | 435 | |
06a466e7 UD |
436 | /* `POSIX' locale is always available (POSIX.2 4.34.3). */ |
437 | PUT ("POSIX"); | |
438 | /* And so is the "C" locale. */ | |
439 | PUT ("C"); | |
1fb05e3d | 440 | |
91cd8340 UD |
441 | memset (linebuf, '-', sizeof (linebuf) - 1); |
442 | linebuf[sizeof (linebuf) - 1] = '\0'; | |
443 | ||
e98b69a6 UD |
444 | /* First scan the locale archive. */ |
445 | if (write_archive_locales (&all_data, linebuf)) | |
446 | first_locale = 0; | |
447 | ||
91cd8340 | 448 | /* Now we can look for all files in the directory. */ |
90fe682d CD |
449 | ndirents = scandir (COMPLOCALEDIR, &dirents, select_dirs, |
450 | alphasort); | |
fdc6c28a UD |
451 | for (cnt = 0; cnt < ndirents; ++cnt) |
452 | { | |
453 | /* Test whether at least the LC_CTYPE data is there. Some | |
454 | directories only contain translations. */ | |
90fe682d CD |
455 | char buf[sizeof (COMPLOCALEDIR) |
456 | + strlen (dirents[cnt]->d_name) | |
457 | + sizeof "/LC_IDENTIFICATION"]; | |
fdc6c28a UD |
458 | char *enddir; |
459 | struct stat64 st; | |
460 | ||
90fe682d CD |
461 | stpcpy (enddir = stpcpy (stpcpy (stpcpy (buf, |
462 | COMPLOCALEDIR), | |
463 | "/"), | |
fdc6c28a UD |
464 | dirents[cnt]->d_name), |
465 | "/LC_IDENTIFICATION"); | |
466 | ||
467 | if (stat64 (buf, &st) == 0 && S_ISREG (st.st_mode)) | |
468 | { | |
e98b69a6 | 469 | if (verbose && GET (dirents[cnt]->d_name) == NULL) |
fdc6c28a UD |
470 | { |
471 | /* Provide some nice output of all kinds of | |
472 | information. */ | |
473 | int fd; | |
91cd8340 | 474 | |
fdc6c28a UD |
475 | if (! first_locale) |
476 | putchar_unlocked ('\n'); | |
477 | first_locale = 0; | |
91cd8340 | 478 | |
fdc6c28a UD |
479 | printf ("locale: %-15.15s directory: %.*s\n%s\n", |
480 | dirents[cnt]->d_name, (int) (enddir - buf), buf, | |
481 | linebuf); | |
482 | ||
483 | fd = open64 (buf, O_RDONLY); | |
484 | if (fd != -1) | |
485 | { | |
486 | void *mapped = mmap64 (NULL, st.st_size, PROT_READ, | |
487 | MAP_SHARED, fd, 0); | |
488 | if (mapped != MAP_FAILED) | |
489 | { | |
e98b69a6 | 490 | print_LC_IDENTIFICATION (mapped, st.st_size); |
fdc6c28a UD |
491 | |
492 | munmap (mapped, st.st_size); | |
493 | } | |
494 | ||
495 | close (fd); | |
496 | ||
497 | /* Now try to get the charset information. */ | |
498 | strcpy (enddir, "/LC_CTYPE"); | |
499 | fd = open64 (buf, O_RDONLY); | |
500 | if (fd != -1 && fstat64 (fd, &st) >= 0 | |
501 | && ((mapped = mmap64 (NULL, st.st_size, PROT_READ, | |
502 | MAP_SHARED, fd, 0)) | |
503 | != MAP_FAILED)) | |
504 | { | |
e98b69a6 | 505 | print_LC_CTYPE (mapped, st.st_size); |
fdc6c28a UD |
506 | |
507 | munmap (mapped, st.st_size); | |
508 | } | |
509 | ||
510 | if (fd != -1) | |
511 | close (fd); | |
512 | } | |
513 | } | |
e98b69a6 UD |
514 | |
515 | /* If the verbose format is not selected we simply | |
516 | collect the names. */ | |
517 | PUT (xstrdup (dirents[cnt]->d_name)); | |
fdc6c28a UD |
518 | } |
519 | } | |
520 | if (ndirents > 0) | |
521 | free (dirents); | |
91cd8340 | 522 | |
06a466e7 UD |
523 | /* Now read the locale.alias files. */ |
524 | if (argz_create_sep (LOCALE_ALIAS_PATH, ':', &alias_path, &alias_path_len)) | |
525 | error (1, errno, gettext ("while preparing output")); | |
526 | ||
527 | entry = NULL; | |
528 | while ((entry = argz_next (alias_path, alias_path_len, entry))) | |
91cd8340 | 529 | { |
06a466e7 UD |
530 | static const char aliasfile[] = "/locale.alias"; |
531 | FILE *fp; | |
532 | char full_name[strlen (entry) + sizeof aliasfile]; | |
533 | ||
534 | stpcpy (stpcpy (full_name, entry), aliasfile); | |
2e2dc1a5 | 535 | fp = fopen (full_name, "rm"); |
06a466e7 UD |
536 | if (fp == NULL) |
537 | /* Ignore non-existing files. */ | |
538 | continue; | |
539 | ||
540 | /* No threads present. */ | |
541 | __fsetlocking (fp, FSETLOCKING_BYCALLER); | |
91cd8340 | 542 | |
06a466e7 UD |
543 | while (! feof_unlocked (fp)) |
544 | { | |
545 | /* It is a reasonable approach to use a fix buffer here | |
546 | because | |
547 | a) we are only interested in the first two fields | |
548 | b) these fields must be usable as file names and so must | |
561470e0 | 549 | not be that long */ |
06a466e7 UD |
550 | char buf[BUFSIZ]; |
551 | char *alias; | |
552 | char *value; | |
553 | char *cp; | |
554 | ||
555 | if (fgets_unlocked (buf, BUFSIZ, fp) == NULL) | |
556 | /* EOF reached. */ | |
557 | break; | |
558 | ||
559 | cp = buf; | |
560 | /* Ignore leading white space. */ | |
561 | while (isspace (cp[0]) && cp[0] != '\n') | |
562 | ++cp; | |
563 | ||
564 | /* A leading '#' signals a comment line. */ | |
565 | if (cp[0] != '\0' && cp[0] != '#' && cp[0] != '\n') | |
566 | { | |
567 | alias = cp++; | |
568 | while (cp[0] != '\0' && !isspace (cp[0])) | |
569 | ++cp; | |
570 | /* Terminate alias name. */ | |
571 | if (cp[0] != '\0') | |
572 | *cp++ = '\0'; | |
573 | ||
574 | /* Now look for the beginning of the value. */ | |
575 | while (isspace (cp[0])) | |
576 | ++cp; | |
577 | ||
578 | if (cp[0] != '\0') | |
579 | { | |
580 | value = cp++; | |
581 | while (cp[0] != '\0' && !isspace (cp[0])) | |
582 | ++cp; | |
583 | /* Terminate value. */ | |
584 | if (cp[0] == '\n') | |
585 | { | |
586 | /* This has to be done to make the following | |
587 | test for the end of line possible. We are | |
588 | looking for the terminating '\n' which do not | |
589 | overwrite here. */ | |
590 | *cp++ = '\0'; | |
591 | *cp = '\n'; | |
592 | } | |
593 | else if (cp[0] != '\0') | |
594 | *cp++ = '\0'; | |
595 | ||
596 | /* Add the alias. */ | |
597 | if (! verbose && GET (value) != NULL) | |
598 | PUT (xstrdup (alias)); | |
599 | } | |
600 | } | |
601 | ||
602 | /* Possibly not the whole line fits into the buffer. | |
603 | Ignore the rest of the line. */ | |
604 | while (strchr (cp, '\n') == NULL) | |
605 | { | |
606 | cp = buf; | |
607 | if (fgets_unlocked (buf, BUFSIZ, fp) == NULL) | |
608 | /* Make sure the inner loop will be left. The outer | |
609 | loop will exit at the `feof' test. */ | |
610 | *cp = '\n'; | |
611 | } | |
612 | } | |
613 | ||
614 | fclose (fp); | |
615 | } | |
616 | ||
617 | if (! verbose) | |
618 | { | |
91cd8340 UD |
619 | twalk (all_data, print_names); |
620 | } | |
2b83a2a4 RM |
621 | } |
622 | ||
623 | ||
e98b69a6 UD |
624 | struct nameent |
625 | { | |
626 | char *name; | |
627 | uint32_t locrec_offset; | |
628 | }; | |
629 | ||
630 | ||
631 | static int | |
632 | nameentcmp (const void *a, const void *b) | |
633 | { | |
634 | return strcoll (((const struct nameent *) a)->name, | |
635 | ((const struct nameent *) b)->name); | |
636 | } | |
637 | ||
638 | ||
639 | static int | |
640 | write_archive_locales (void **all_datap, char *linebuf) | |
641 | { | |
642 | struct stat64 st; | |
643 | void *all_data = *all_datap; | |
644 | size_t len = 0; | |
645 | struct locarhead *head; | |
646 | struct namehashent *namehashtab; | |
647 | char *addr = MAP_FAILED; | |
648 | int fd, ret = 0; | |
649 | uint32_t cnt; | |
650 | ||
651 | fd = open64 (ARCHIVE_NAME, O_RDONLY); | |
652 | if (fd < 0) | |
653 | return 0; | |
654 | ||
655 | if (fstat64 (fd, &st) < 0 || st.st_size < sizeof (*head)) | |
656 | goto error_out; | |
657 | ||
658 | len = st.st_size; | |
659 | addr = mmap64 (NULL, len, PROT_READ, MAP_SHARED, fd, 0); | |
660 | if (addr == MAP_FAILED) | |
661 | goto error_out; | |
662 | ||
663 | head = (struct locarhead *) addr; | |
664 | if (head->namehash_offset + head->namehash_size > len | |
665 | || head->string_offset + head->string_size > len | |
666 | || head->locrectab_offset + head->locrectab_size > len | |
667 | || head->sumhash_offset + head->sumhash_size > len) | |
668 | goto error_out; | |
669 | ||
670 | namehashtab = (struct namehashent *) (addr + head->namehash_offset); | |
671 | if (! verbose) | |
672 | { | |
673 | for (cnt = 0; cnt < head->namehash_size; ++cnt) | |
674 | if (namehashtab[cnt].locrec_offset != 0) | |
675 | { | |
676 | PUT (xstrdup (addr + namehashtab[cnt].name_offset)); | |
677 | ++ret; | |
678 | } | |
679 | } | |
680 | else | |
681 | { | |
682 | struct nameent *names; | |
683 | uint32_t used; | |
684 | ||
685 | names = (struct nameent *) xmalloc (head->namehash_used | |
686 | * sizeof (struct nameent)); | |
687 | for (cnt = used = 0; cnt < head->namehash_size; ++cnt) | |
688 | if (namehashtab[cnt].locrec_offset != 0) | |
689 | { | |
690 | names[used].name = addr + namehashtab[cnt].name_offset; | |
691 | names[used++].locrec_offset = namehashtab[cnt].locrec_offset; | |
692 | } | |
693 | ||
694 | /* Sort the names. */ | |
695 | qsort (names, used, sizeof (struct nameent), nameentcmp); | |
696 | ||
697 | for (cnt = 0; cnt < used; ++cnt) | |
698 | { | |
699 | struct locrecent *locrec; | |
700 | ||
701 | PUT (xstrdup (names[cnt].name)); | |
702 | ||
703 | if (cnt) | |
704 | putchar_unlocked ('\n'); | |
705 | ||
706 | printf ("locale: %-15.15s archive: " ARCHIVE_NAME "\n%s\n", | |
707 | names[cnt].name, linebuf); | |
708 | ||
709 | locrec = (struct locrecent *) (addr + names[cnt].locrec_offset); | |
710 | ||
711 | print_LC_IDENTIFICATION (addr | |
712 | + locrec->record[LC_IDENTIFICATION].offset, | |
713 | locrec->record[LC_IDENTIFICATION].len); | |
714 | ||
715 | print_LC_CTYPE (addr + locrec->record[LC_CTYPE].offset, | |
716 | locrec->record[LC_CTYPE].len); | |
717 | } | |
718 | ||
719 | ret = used; | |
720 | } | |
721 | ||
722 | error_out: | |
723 | if (addr != MAP_FAILED) | |
724 | munmap (addr, len); | |
725 | close (fd); | |
726 | *all_datap = all_data; | |
727 | return ret; | |
728 | } | |
729 | ||
730 | ||
2b83a2a4 RM |
731 | /* Write the names of all available character maps to stdout. */ |
732 | static void | |
733 | write_charmaps (void) | |
734 | { | |
1fb05e3d | 735 | void *all_data = NULL; |
3e076219 UD |
736 | CHARMAP_DIR *dir; |
737 | const char *dirent; | |
2b83a2a4 | 738 | |
3e076219 UD |
739 | /* Look for all files in the charmap directory. */ |
740 | dir = charmap_opendir (CHARMAP_PATH); | |
2b83a2a4 | 741 | if (dir == NULL) |
3e076219 | 742 | return; |
51702635 | 743 | |
3e076219 UD |
744 | while ((dirent = charmap_readdir (dir)) != NULL) |
745 | { | |
746 | char **aliases; | |
747 | char **p; | |
748 | ||
749 | PUT (xstrdup (dirent)); | |
750 | ||
751 | aliases = charmap_aliases (CHARMAP_PATH, dirent); | |
752 | ||
753 | #if 0 | |
754 | /* Add the code_set_name and the aliases. */ | |
755 | for (p = aliases; *p; p++) | |
756 | PUT (xstrdup (*p)); | |
757 | #else | |
758 | /* Add the code_set_name only. Most aliases are obsolete. */ | |
759 | p = aliases; | |
760 | if (*p) | |
761 | PUT (xstrdup (*p)); | |
1fb05e3d | 762 | #endif |
1fb05e3d | 763 | |
3e076219 UD |
764 | charmap_free_aliases (aliases); |
765 | } | |
2b83a2a4 | 766 | |
3e076219 | 767 | charmap_closedir (dir); |
1fb05e3d UD |
768 | |
769 | twalk (all_data, print_names); | |
2b83a2a4 RM |
770 | } |
771 | ||
02637374 AS |
772 | /* Print a properly quoted assignment of NAME with VAL, using double |
773 | quotes iff DQUOTE is true. */ | |
774 | static void | |
775 | print_assignment (const char *name, const char *val, bool dquote) | |
776 | { | |
777 | printf ("%s=", name); | |
778 | if (dquote) | |
779 | putchar ('"'); | |
780 | while (*val != '\0') | |
781 | { | |
782 | size_t segment | |
783 | = strcspn (val, dquote ? "$`\"\\" : "~|&;<>()$`\\\"' \t\n"); | |
784 | printf ("%.*s", (int) segment, val); | |
785 | val += segment; | |
786 | if (*val == '\0') | |
787 | break; | |
788 | putchar ('\\'); | |
789 | putchar (*val++); | |
790 | } | |
791 | if (dquote) | |
792 | putchar ('"'); | |
793 | putchar ('\n'); | |
794 | } | |
2b83a2a4 RM |
795 | |
796 | /* We have to show the contents of the environments determining the | |
797 | locale. */ | |
798 | static void | |
799 | show_locale_vars (void) | |
800 | { | |
a62b3c15 RM |
801 | const char *lcall = getenv ("LC_ALL") ?: ""; |
802 | const char *lang = getenv ("LANG") ?: ""; | |
2b83a2a4 RM |
803 | |
804 | /* LANG has to be the first value. */ | |
02637374 | 805 | print_assignment ("LANG", lang, false); |
2b83a2a4 RM |
806 | |
807 | /* Now all categories in an unspecified order. */ | |
a62b3c15 | 808 | for (size_t cat_no = 0; cat_no < NCATEGORIES; ++cat_no) |
643e9936 | 809 | if (cat_no != LC_ALL) |
a62b3c15 RM |
810 | { |
811 | const char *name = category[cat_no].name; | |
812 | const char *val = getenv (name); | |
813 | ||
814 | if (lcall[0] != '\0' || val == NULL) | |
815 | print_assignment (name, | |
816 | lcall[0] != '\0' ? lcall | |
817 | : lang[0] != '\0' ? lang | |
818 | : "POSIX", | |
819 | true); | |
820 | else | |
821 | print_assignment (name, val, false); | |
822 | } | |
2b83a2a4 RM |
823 | |
824 | /* The last is the LC_ALL value. */ | |
02637374 | 825 | print_assignment ("LC_ALL", lcall, false); |
2b83a2a4 RM |
826 | } |
827 | ||
828 | ||
a62b3c15 | 829 | /* Subroutine of show_info, below. */ |
2b83a2a4 | 830 | static void |
a62b3c15 | 831 | print_item (struct cat_item *item) |
2b83a2a4 | 832 | { |
a62b3c15 | 833 | switch (item->value_type) |
2b83a2a4 | 834 | { |
a62b3c15 RM |
835 | case string: |
836 | if (show_keyword_name) | |
837 | printf ("%s=\"", item->name); | |
838 | fputs (nl_langinfo (item->item_id) ? : "", stdout); | |
839 | if (show_keyword_name) | |
840 | putchar ('"'); | |
841 | putchar ('\n'); | |
842 | break; | |
843 | case stringarray: | |
844 | { | |
845 | const char *val; | |
846 | int cnt; | |
2b83a2a4 | 847 | |
a62b3c15 RM |
848 | if (show_keyword_name) |
849 | printf ("%s=\"", item->name); | |
2b83a2a4 | 850 | |
a62b3c15 RM |
851 | for (cnt = 0; cnt < item->max - 1; ++cnt) |
852 | { | |
2b83a2a4 | 853 | val = nl_langinfo (item->item_id + cnt); |
8f2ece69 | 854 | if (val != NULL) |
7535b2d9 | 855 | fputs (val, stdout); |
a62b3c15 | 856 | putchar (';'); |
2b83a2a4 | 857 | } |
a62b3c15 RM |
858 | |
859 | val = nl_langinfo (item->item_id + cnt); | |
860 | if (val != NULL) | |
861 | fputs (val, stdout); | |
862 | ||
863 | if (show_keyword_name) | |
864 | putchar ('"'); | |
865 | putchar ('\n'); | |
866 | } | |
867 | break; | |
868 | case stringlist: | |
869 | { | |
870 | int first = 1; | |
871 | const char *val = nl_langinfo (item->item_id) ? : ""; | |
872 | ||
873 | if (show_keyword_name) | |
874 | printf ("%s=", item->name); | |
875 | ||
876 | for (int cnt = 0; cnt < item->max && *val != '\0'; ++cnt) | |
51702635 | 877 | { |
a62b3c15 RM |
878 | printf ("%s%s%s%s", first ? "" : ";", |
879 | show_keyword_name ? "\"" : "", val, | |
880 | show_keyword_name ? "\"" : ""); | |
881 | val = strchr (val, '\0') + 1; | |
882 | first = 0; | |
51702635 | 883 | } |
a62b3c15 RM |
884 | putchar ('\n'); |
885 | } | |
886 | break; | |
887 | case byte: | |
888 | { | |
889 | const char *val = nl_langinfo (item->item_id); | |
2b83a2a4 | 890 | |
a62b3c15 RM |
891 | if (show_keyword_name) |
892 | printf ("%s=", item->name); | |
beaaf574 | 893 | |
a62b3c15 RM |
894 | if (val != NULL) |
895 | printf ("%d", *val == '\377' ? -1 : *val); | |
896 | putchar ('\n'); | |
897 | } | |
898 | break; | |
899 | case bytearray: | |
900 | { | |
901 | const char *val = nl_langinfo (item->item_id); | |
902 | int cnt = val ? strlen (val) : 0; | |
903 | ||
904 | if (show_keyword_name) | |
905 | printf ("%s=", item->name); | |
906 | ||
907 | while (cnt > 1) | |
2b83a2a4 | 908 | { |
a62b3c15 RM |
909 | printf ("%d;", *val == '\177' ? -1 : *val); |
910 | --cnt; | |
911 | ++val; | |
912 | } | |
2b83a2a4 | 913 | |
a62b3c15 RM |
914 | printf ("%d\n", cnt == 0 || *val == '\177' ? -1 : *val); |
915 | } | |
916 | break; | |
917 | case word: | |
918 | { | |
919 | union { unsigned int word; char *string; } val; | |
920 | val.string = nl_langinfo (item->item_id); | |
921 | if (show_keyword_name) | |
922 | printf ("%s=", item->name); | |
beaaf574 | 923 | |
a62b3c15 RM |
924 | printf ("%d\n", val.word); |
925 | } | |
926 | break; | |
927 | case wordarray: | |
928 | { | |
929 | int first = 1; | |
930 | union { unsigned int *wordarray; char *string; } val; | |
2b83a2a4 | 931 | |
a62b3c15 RM |
932 | val.string = nl_langinfo (item->item_id); |
933 | if (show_keyword_name) | |
934 | printf ("%s=", item->name); | |
beaaf574 | 935 | |
a62b3c15 | 936 | for (int cnt = 0; cnt < item->max; ++cnt) |
b5449b12 | 937 | { |
a62b3c15 RM |
938 | printf ("%s%d", first ? "" : ";", val.wordarray[cnt]); |
939 | first = 0; | |
b5449b12 | 940 | } |
a62b3c15 RM |
941 | putchar ('\n'); |
942 | } | |
943 | break; | |
944 | case wstring: | |
945 | case wstringarray: | |
946 | case wstringlist: | |
947 | /* We don't print wide character information since the same | |
948 | information is available in a multibyte string. */ | |
949 | default: | |
950 | break; | |
2b83a2a4 | 951 | } |
a62b3c15 | 952 | } |
2b83a2a4 | 953 | |
a62b3c15 RM |
954 | /* Show the information request for NAME. */ |
955 | static void | |
956 | show_info (const char *name) | |
957 | { | |
958 | for (size_t cat_no = 0; cat_no < NCATEGORIES; ++cat_no) | |
92d2e18f UD |
959 | if (cat_no != LC_ALL) |
960 | { | |
92d2e18f UD |
961 | if (strcmp (name, category[cat_no].name) == 0) |
962 | /* Print the whole category. */ | |
2b83a2a4 RM |
963 | { |
964 | if (show_category_name != 0) | |
965 | puts (category[cat_no].name); | |
966 | ||
a62b3c15 RM |
967 | for (size_t item_no = 0; |
968 | item_no < category[cat_no].number; | |
969 | ++item_no) | |
92d2e18f UD |
970 | print_item (&category[cat_no].item_desc[item_no]); |
971 | ||
2b83a2a4 RM |
972 | return; |
973 | } | |
92d2e18f | 974 | |
a62b3c15 | 975 | for (size_t item_no = 0; item_no < category[cat_no].number; ++item_no) |
92d2e18f UD |
976 | if (strcmp (name, category[cat_no].item_desc[item_no].name) == 0) |
977 | { | |
978 | if (show_category_name != 0) | |
979 | puts (category[cat_no].name); | |
980 | ||
981 | print_item (&category[cat_no].item_desc[item_no]); | |
982 | return; | |
983 | } | |
984 | } | |
036cc82f | 985 | |
6d52618b UD |
986 | /* The name is not a standard one. |
987 | For testing and perhaps advanced use allow some more symbols. */ | |
036cc82f | 988 | locale_special (name, show_category_name, show_keyword_name); |
2b83a2a4 | 989 | } |