2 * Copyright (c) 2002, 2003 Alexey Zelkin <phantom@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * XXX: implement missing era_* (LC_TIME) keywords (require libc &
31 * nl_langinfo(3) extensions)
33 * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require
34 * localedef(1) implementation). Currently it's handled via
35 * nl_langinfo(CODESET).
38 #include <sys/param.h>
39 #include <sys/types.h>
49 #include <stringlist.h>
51 #include "setlocale.h"
53 /* Local prototypes */
54 char *format_grouping(const char *);
55 void init_locales_list(void);
56 void list_charmaps(void);
57 void list_locales(void);
58 const char *lookup_localecat(int);
59 char *kwval_lconv(int);
60 int kwval_lookup(const char *, char **, int *, int *);
61 void showdetails(const char *);
62 void showkeywordslist(char *substring);
63 void showlocale(void);
66 /* Global variables */
67 static StringList *locales = NULL;
69 static int all_locales = 0;
70 static int all_charmaps = 0;
71 static int prt_categories = 0;
72 static int prt_keywords = 0;
74 static const struct _lcinfo {
78 { "LC_CTYPE", LC_CTYPE },
79 { "LC_COLLATE", LC_COLLATE },
80 { "LC_TIME", LC_TIME },
81 { "LC_NUMERIC", LC_NUMERIC },
82 { "LC_MONETARY", LC_MONETARY },
83 { "LC_MESSAGES", LC_MESSAGES }
85 #define NLCINFO nitems(lcinfo)
87 /* ids for values not referenced by nl_langinfo() */
89 #define KW_GROUPING (KW_ZERO+1)
90 #define KW_INT_CURR_SYMBOL (KW_ZERO+2)
91 #define KW_CURRENCY_SYMBOL (KW_ZERO+3)
92 #define KW_MON_DECIMAL_POINT (KW_ZERO+4)
93 #define KW_MON_THOUSANDS_SEP (KW_ZERO+5)
94 #define KW_MON_GROUPING (KW_ZERO+6)
95 #define KW_POSITIVE_SIGN (KW_ZERO+7)
96 #define KW_NEGATIVE_SIGN (KW_ZERO+8)
97 #define KW_INT_FRAC_DIGITS (KW_ZERO+9)
98 #define KW_FRAC_DIGITS (KW_ZERO+10)
99 #define KW_P_CS_PRECEDES (KW_ZERO+11)
100 #define KW_P_SEP_BY_SPACE (KW_ZERO+12)
101 #define KW_N_CS_PRECEDES (KW_ZERO+13)
102 #define KW_N_SEP_BY_SPACE (KW_ZERO+14)
103 #define KW_P_SIGN_POSN (KW_ZERO+15)
104 #define KW_N_SIGN_POSN (KW_ZERO+16)
105 #define KW_INT_P_CS_PRECEDES (KW_ZERO+17)
106 #define KW_INT_P_SEP_BY_SPACE (KW_ZERO+18)
107 #define KW_INT_N_CS_PRECEDES (KW_ZERO+19)
108 #define KW_INT_N_SEP_BY_SPACE (KW_ZERO+20)
109 #define KW_INT_P_SIGN_POSN (KW_ZERO+21)
110 #define KW_INT_N_SIGN_POSN (KW_ZERO+22)
112 static const struct _kwinfo {
114 int isstr; /* true - string, false - number */
115 int catid; /* LC_* */
119 { "charmap", 1, LC_CTYPE, CODESET, "" }, /* hack */
121 { "decimal_point", 1, LC_NUMERIC, RADIXCHAR, "" },
122 { "thousands_sep", 1, LC_NUMERIC, THOUSEP, "" },
123 { "grouping", 1, LC_NUMERIC, KW_GROUPING, "" },
124 { "radixchar", 1, LC_NUMERIC, RADIXCHAR,
125 "Same as decimal_point (FreeBSD only)" }, /* compat */
126 { "thousep", 1, LC_NUMERIC, THOUSEP,
127 "Same as thousands_sep (FreeBSD only)" }, /* compat */
129 { "int_curr_symbol", 1, LC_MONETARY, KW_INT_CURR_SYMBOL, "" },
130 { "currency_symbol", 1, LC_MONETARY, KW_CURRENCY_SYMBOL, "" },
131 { "mon_decimal_point", 1, LC_MONETARY, KW_MON_DECIMAL_POINT, "" },
132 { "mon_thousands_sep", 1, LC_MONETARY, KW_MON_THOUSANDS_SEP, "" },
133 { "mon_grouping", 1, LC_MONETARY, KW_MON_GROUPING, "" },
134 { "positive_sign", 1, LC_MONETARY, KW_POSITIVE_SIGN, "" },
135 { "negative_sign", 1, LC_MONETARY, KW_NEGATIVE_SIGN, "" },
137 { "int_frac_digits", 0, LC_MONETARY, KW_INT_FRAC_DIGITS, "" },
138 { "frac_digits", 0, LC_MONETARY, KW_FRAC_DIGITS, "" },
139 { "p_cs_precedes", 0, LC_MONETARY, KW_P_CS_PRECEDES, "" },
140 { "p_sep_by_space", 0, LC_MONETARY, KW_P_SEP_BY_SPACE, "" },
141 { "n_cs_precedes", 0, LC_MONETARY, KW_N_CS_PRECEDES, "" },
142 { "n_sep_by_space", 0, LC_MONETARY, KW_N_SEP_BY_SPACE, "" },
143 { "p_sign_posn", 0, LC_MONETARY, KW_P_SIGN_POSN, "" },
144 { "n_sign_posn", 0, LC_MONETARY, KW_N_SIGN_POSN, "" },
145 { "int_p_cs_precedes", 0, LC_MONETARY, KW_INT_P_CS_PRECEDES, "" },
146 { "int_p_sep_by_space", 0, LC_MONETARY, KW_INT_P_SEP_BY_SPACE, "" },
147 { "int_n_cs_precedes", 0, LC_MONETARY, KW_INT_N_CS_PRECEDES, "" },
148 { "int_n_sep_by_space", 0, LC_MONETARY, KW_INT_N_SEP_BY_SPACE, "" },
149 { "int_p_sign_posn", 0, LC_MONETARY, KW_INT_P_SIGN_POSN, "" },
150 { "int_n_sign_posn", 0, LC_MONETARY, KW_INT_N_SIGN_POSN, "" },
152 { "d_t_fmt", 1, LC_TIME, D_T_FMT, "" },
153 { "d_fmt", 1, LC_TIME, D_FMT, "" },
154 { "t_fmt", 1, LC_TIME, T_FMT, "" },
155 { "am_str", 1, LC_TIME, AM_STR, "" },
156 { "pm_str", 1, LC_TIME, PM_STR, "" },
157 { "t_fmt_ampm", 1, LC_TIME, T_FMT_AMPM, "" },
158 { "day_1", 1, LC_TIME, DAY_1, "" },
159 { "day_2", 1, LC_TIME, DAY_2, "" },
160 { "day_3", 1, LC_TIME, DAY_3, "" },
161 { "day_4", 1, LC_TIME, DAY_4, "" },
162 { "day_5", 1, LC_TIME, DAY_5, "" },
163 { "day_6", 1, LC_TIME, DAY_6, "" },
164 { "day_7", 1, LC_TIME, DAY_7, "" },
165 { "abday_1", 1, LC_TIME, ABDAY_1, "" },
166 { "abday_2", 1, LC_TIME, ABDAY_2, "" },
167 { "abday_3", 1, LC_TIME, ABDAY_3, "" },
168 { "abday_4", 1, LC_TIME, ABDAY_4, "" },
169 { "abday_5", 1, LC_TIME, ABDAY_5, "" },
170 { "abday_6", 1, LC_TIME, ABDAY_6, "" },
171 { "abday_7", 1, LC_TIME, ABDAY_7, "" },
172 { "mon_1", 1, LC_TIME, MON_1, "" },
173 { "mon_2", 1, LC_TIME, MON_2, "" },
174 { "mon_3", 1, LC_TIME, MON_3, "" },
175 { "mon_4", 1, LC_TIME, MON_4, "" },
176 { "mon_5", 1, LC_TIME, MON_5, "" },
177 { "mon_6", 1, LC_TIME, MON_6, "" },
178 { "mon_7", 1, LC_TIME, MON_7, "" },
179 { "mon_8", 1, LC_TIME, MON_8, "" },
180 { "mon_9", 1, LC_TIME, MON_9, "" },
181 { "mon_10", 1, LC_TIME, MON_10, "" },
182 { "mon_11", 1, LC_TIME, MON_11, "" },
183 { "mon_12", 1, LC_TIME, MON_12, "" },
184 { "abmon_1", 1, LC_TIME, ABMON_1, "" },
185 { "abmon_2", 1, LC_TIME, ABMON_2, "" },
186 { "abmon_3", 1, LC_TIME, ABMON_3, "" },
187 { "abmon_4", 1, LC_TIME, ABMON_4, "" },
188 { "abmon_5", 1, LC_TIME, ABMON_5, "" },
189 { "abmon_6", 1, LC_TIME, ABMON_6, "" },
190 { "abmon_7", 1, LC_TIME, ABMON_7, "" },
191 { "abmon_8", 1, LC_TIME, ABMON_8, "" },
192 { "abmon_9", 1, LC_TIME, ABMON_9, "" },
193 { "abmon_10", 1, LC_TIME, ABMON_10, "" },
194 { "abmon_11", 1, LC_TIME, ABMON_11, "" },
195 { "abmon_12", 1, LC_TIME, ABMON_12, "" },
196 { "altmon_1", 1, LC_TIME, ALTMON_1, "(FreeBSD only)" },
197 { "altmon_2", 1, LC_TIME, ALTMON_2, "(FreeBSD only)" },
198 { "altmon_3", 1, LC_TIME, ALTMON_3, "(FreeBSD only)" },
199 { "altmon_4", 1, LC_TIME, ALTMON_4, "(FreeBSD only)" },
200 { "altmon_5", 1, LC_TIME, ALTMON_5, "(FreeBSD only)" },
201 { "altmon_6", 1, LC_TIME, ALTMON_6, "(FreeBSD only)" },
202 { "altmon_7", 1, LC_TIME, ALTMON_7, "(FreeBSD only)" },
203 { "altmon_8", 1, LC_TIME, ALTMON_8, "(FreeBSD only)" },
204 { "altmon_9", 1, LC_TIME, ALTMON_9, "(FreeBSD only)" },
205 { "altmon_10", 1, LC_TIME, ALTMON_10, "(FreeBSD only)" },
206 { "altmon_11", 1, LC_TIME, ALTMON_11, "(FreeBSD only)" },
207 { "altmon_12", 1, LC_TIME, ALTMON_12, "(FreeBSD only)" },
208 { "era", 1, LC_TIME, ERA, "(unavailable)" },
209 { "era_d_fmt", 1, LC_TIME, ERA_D_FMT, "(unavailable)" },
210 { "era_d_t_fmt", 1, LC_TIME, ERA_D_T_FMT, "(unavailable)" },
211 { "era_t_fmt", 1, LC_TIME, ERA_T_FMT, "(unavailable)" },
212 { "alt_digits", 1, LC_TIME, ALT_DIGITS, "" },
213 { "d_md_order", 1, LC_TIME, D_MD_ORDER,
214 "(FreeBSD only)" }, /* local */
216 { "yesexpr", 1, LC_MESSAGES, YESEXPR, "" },
217 { "noexpr", 1, LC_MESSAGES, NOEXPR, "" },
218 { "yesstr", 1, LC_MESSAGES, YESSTR,
219 "(POSIX legacy)" }, /* compat */
220 { "nostr", 1, LC_MESSAGES, NOSTR,
221 "(POSIX legacy)" } /* compat */
224 #define NKWINFO (nitems(kwinfo))
226 static const char *boguslocales[] = { "UTF-8" };
227 #define NBOGUS (nitems(boguslocales))
230 main(int argc, char *argv[])
235 while ((ch = getopt(argc, argv, "ackms:")) != -1) {
256 /* validate arguments */
257 if (all_locales && all_charmaps)
259 if ((all_locales || all_charmaps) && argc > 0)
261 if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
276 /* check for special case '-k list' */
278 if (prt_keywords && argc > 0)
280 if (strcasecmp(argv[tmp++], "list") == 0) {
281 showkeywordslist(argv[tmp]);
285 /* process '-c', '-k', or command line arguments. */
286 if (prt_categories || prt_keywords || argc > 0) {
287 if (prt_keywords || argc > 0)
288 setlocale(LC_ALL, "");
297 for (i = 0; i < nitems(kwinfo); i++)
298 showdetails(kwinfo[i].name);
303 /* no arguments, show current locale state */
312 printf("Usage: locale [ -a | -m ]\n"
313 " locale -k list [prefix]\n"
314 " locale [ -ck ] [keyword ...]\n");
319 * Output information about all available locales
321 * XXX actually output of this function does not guarantee that locale
322 * is really available to application, since it can be broken or
323 * inconsistent thus setlocale() will fail. Maybe add '-V' function to
324 * also validate these locales?
332 for (i = 0; i < locales->sl_cur; i++) {
333 printf("%s\n", locales->sl_str[i]);
338 * qsort() helper function
341 scmp(const void *s1, const void *s2)
343 return strcmp(*(const char * const *)s1, *(const char * const *)s2);
347 * Output information about all available charmaps
349 * XXX this function is doing a task in hackish way, i.e. by scaning
350 * list of locales, spliting their codeset part and building list of
358 StringList *charmaps;
360 /* initialize StringList */
361 charmaps = sl_init();
362 if (charmaps == NULL)
363 err(1, "could not allocate memory");
365 /* fetch locales list */
368 /* split codesets and build their list */
369 for (i = 0; i < locales->sl_cur; i++) {
370 s = locales->sl_str[i];
371 if ((cs = strchr(s, '.')) != NULL) {
373 if (sl_find(charmaps, cs) == NULL)
374 sl_add(charmaps, cs);
378 /* add US-ASCII, if not yet added */
379 if (sl_find(charmaps, "US-ASCII") == NULL)
380 sl_add(charmaps, strdup("US-ASCII"));
383 qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp);
386 for (i = 0; i < charmaps->sl_cur; i++) {
387 printf("%s\n", charmaps->sl_str[i]);
392 * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE
393 * environment variable is set)
396 init_locales_list(void)
403 /* why call this function twice ? */
407 /* initialize StringList */
410 err(1, "could not allocate memory");
412 /* get actual locales directory name */
413 if (__detect_path_locale() != 0)
414 err(1, "unable to find locales storage");
416 /* open locales directory */
417 dirp = opendir(_PathLocale);
419 err(1, "could not open directory '%s'", _PathLocale);
421 /* scan directory and store its contents except "." and ".." */
422 while ((dp = readdir(dirp)) != NULL) {
423 if (*(dp->d_name) == '.')
424 continue; /* exclude "." and ".." */
425 for (bogus = i = 0; i < NBOGUS; i++)
426 if (strncmp(dp->d_name, boguslocales[i],
427 strlen(boguslocales[i])) == 0)
430 sl_add(locales, strdup(dp->d_name));
434 /* make sure that 'POSIX' and 'C' locales are present in the list.
435 * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but
436 * we also list 'C' for constistency
438 if (sl_find(locales, "POSIX") == NULL)
439 sl_add(locales, strdup("POSIX"));
441 if (sl_find(locales, "C") == NULL)
442 sl_add(locales, strdup("C"));
444 /* make output nicer, sort the list */
445 qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp);
449 * Show current locale status, depending on environment variables
455 const char *lang, *vval, *eval;
457 setlocale(LC_ALL, "");
459 lang = getenv("LANG");
463 printf("LANG=%s\n", lang);
464 /* XXX: if LANG is null, then set it to "C" to get implied values? */
466 for (i = 0; i < NLCINFO; i++) {
467 vval = setlocale(lcinfo[i].id, NULL);
468 eval = getenv(lcinfo[i].name);
469 if (eval != NULL && !strcmp(eval, vval)
470 && strcmp(lang, vval)) {
472 * Appropriate environment variable set, its value
473 * is valid and not overridden by LC_ALL
475 * XXX: possible side effect: if both LANG and
476 * overridden environment variable are set into same
477 * value, then it'll be assumed as 'implied'
479 printf("%s=%s\n", lcinfo[i].name, vval);
481 printf("%s=\"%s\"\n", lcinfo[i].name, vval);
485 vval = getenv("LC_ALL");
489 printf("LC_ALL=%s\n", vval);
493 format_grouping(const char *binary)
495 static char rval[64];
502 for (cp = binary; *cp != '\0'; ++cp) {
505 break; /* garbage input */
507 len = snprintf(&rval[roff], sizeof(rval) - roff, "%u;", *cp);
508 if (len < 0 || (unsigned)len >= sizeof(rval) - roff)
509 break; /* insufficient space for output */
512 break; /* special termination */
515 /* Truncate at the last successfully snprintf()ed semicolon. */
517 rval[roff - 1] = '\0';
523 * keyword value lookup helper (via localeconv())
535 rval = format_grouping(lc->grouping);
537 case KW_INT_CURR_SYMBOL:
538 rval = lc->int_curr_symbol;
540 case KW_CURRENCY_SYMBOL:
541 rval = lc->currency_symbol;
543 case KW_MON_DECIMAL_POINT:
544 rval = lc->mon_decimal_point;
546 case KW_MON_THOUSANDS_SEP:
547 rval = lc->mon_thousands_sep;
549 case KW_MON_GROUPING:
550 rval = format_grouping(lc->mon_grouping);
552 case KW_POSITIVE_SIGN:
553 rval = lc->positive_sign;
555 case KW_NEGATIVE_SIGN:
556 rval = lc->negative_sign;
558 case KW_INT_FRAC_DIGITS:
559 rval = &(lc->int_frac_digits);
562 rval = &(lc->frac_digits);
564 case KW_P_CS_PRECEDES:
565 rval = &(lc->p_cs_precedes);
567 case KW_P_SEP_BY_SPACE:
568 rval = &(lc->p_sep_by_space);
570 case KW_N_CS_PRECEDES:
571 rval = &(lc->n_cs_precedes);
573 case KW_N_SEP_BY_SPACE:
574 rval = &(lc->n_sep_by_space);
577 rval = &(lc->p_sign_posn);
580 rval = &(lc->n_sign_posn);
582 case KW_INT_P_CS_PRECEDES:
583 rval = &(lc->int_p_cs_precedes);
585 case KW_INT_P_SEP_BY_SPACE:
586 rval = &(lc->int_p_sep_by_space);
588 case KW_INT_N_CS_PRECEDES:
589 rval = &(lc->int_n_cs_precedes);
591 case KW_INT_N_SEP_BY_SPACE:
592 rval = &(lc->int_n_sep_by_space);
594 case KW_INT_P_SIGN_POSN:
595 rval = &(lc->int_p_sign_posn);
597 case KW_INT_N_SIGN_POSN:
598 rval = &(lc->int_n_sign_posn);
607 * keyword value and properties lookup
610 kwval_lookup(const char *kwname, char **kwval, int *cat, int *isstr)
616 for (i = 0; i < NKWINFO; i++) {
617 if (strcasecmp(kwname, kwinfo[i].name) == 0) {
619 *cat = kwinfo[i].catid;
620 *isstr = kwinfo[i].isstr;
621 if (kwinfo[i].value_ref < KW_ZERO) {
622 *kwval = nl_langinfo(kwinfo[i].value_ref);
624 *kwval = kwval_lconv(kwinfo[i].value_ref);
634 * Show details about requested keyword according to '-k' and/or '-c'
635 * command line options specified.
638 showdetails(const char *kw)
640 int isstr, cat, tmpval;
643 if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) {
645 * invalid keyword specified.
648 fprintf(stderr, "Unknown keyword: `%s'\n", kw);
652 if (prt_categories) {
654 printf("%-20s ", lookup_localecat(cat));
656 printf("%-20s\t%s\n", kw, lookup_localecat(cat));
661 printf("%s=\"%s\"\n", kw, kwval);
663 tmpval = (char) *kwval;
664 printf("%s=%d\n", kw, tmpval);
668 if (!prt_categories && !prt_keywords) {
670 printf("%s\n", kwval);
672 tmpval = (char) *kwval;
673 printf("%d\n", tmpval);
679 * Convert locale category id into string
682 lookup_localecat(int cat)
686 for (i = 0; i < NLCINFO; i++)
687 if (lcinfo[i].id == cat) {
688 return (lcinfo[i].name);
694 * Show list of keywords
697 showkeywordslist(char *substring)
701 #define FMT "%-20s %-12s %-7s %-20s\n"
703 if (substring == NULL)
704 printf("List of available keywords\n\n");
706 printf("List of available keywords starting with '%s'\n\n",
708 printf(FMT, "Keyword", "Category", "Type", "Comment");
709 printf("-------------------- ------------ ------- --------------------\n");
710 for (i = 0; i < NKWINFO; i++) {
711 if (substring != NULL) {
712 if (strncmp(kwinfo[i].name, substring,
713 strlen(substring)) != 0)
718 lookup_localecat(kwinfo[i].catid),
719 (kwinfo[i].isstr == 0) ? "number" : "string",