xref: /dragonfly/usr.bin/locale/locale.c (revision 9348a738)
1 /*-
2  * Copyright (c) 2002, 2003 Alexey Zelkin <phantom@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  *
26  * FreeBSD: src/usr.bin/locale/locale.c,v 1.10 2003/06/26 11:05:56 phantom Exp
27  * $NetBSD: locale.c,v 1.5 2006/02/16 19:19:49 tnozaki Exp $
28  * $DragonFly: src/usr.bin/locale/locale.c,v 1.2 2007/09/20 07:40:51 hasso Exp $
29  */
30 
31 /*
32  * XXX: implement missing era_* (LC_TIME) keywords (require libc &
33  *	nl_langinfo(3) extensions)
34  *
35  * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require
36  *      localedef(1) implementation).  Currently it's handled via
37  *	nl_langinfo(CODESET).
38  */
39 
40 #include <sys/types.h>
41 #include <assert.h>
42 #include <dirent.h>
43 #include <err.h>
44 #include <locale.h>
45 #include <langinfo.h>
46 #include <limits.h>
47 #include <paths.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <stringlist.h>
52 #include <unistd.h>
53 
54 /* Local prototypes */
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(char *, char **, int *, int *);
61 void	showdetails(char *);
62 void	showkeywordslist(void);
63 void	showlocale(void);
64 void	usage(void);
65 
66 /* Global variables */
67 static StringList *locales = NULL;
68 
69 int	all_locales = 0;
70 int	all_charmaps = 0;
71 int	prt_categories = 0;
72 int	prt_keywords = 0;
73 int	more_params = 0;
74 
75 struct _lcinfo {
76 	const char	*name;
77 	int		id;
78 } lcinfo [] = {
79 	{ "LC_CTYPE",		LC_CTYPE },
80 	{ "LC_COLLATE",		LC_COLLATE },
81 	{ "LC_TIME",		LC_TIME },
82 	{ "LC_NUMERIC",		LC_NUMERIC },
83 	{ "LC_MONETARY",	LC_MONETARY },
84 	{ "LC_MESSAGES",	LC_MESSAGES }
85 };
86 #define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0]))
87 
88 /* ids for values not referenced by nl_langinfo() */
89 #define	KW_ZERO			10000
90 #define	KW_GROUPING		(KW_ZERO+1)
91 #define KW_INT_CURR_SYMBOL 	(KW_ZERO+2)
92 #define KW_CURRENCY_SYMBOL 	(KW_ZERO+3)
93 #define KW_MON_DECIMAL_POINT 	(KW_ZERO+4)
94 #define KW_MON_THOUSANDS_SEP 	(KW_ZERO+5)
95 #define KW_MON_GROUPING 	(KW_ZERO+6)
96 #define KW_POSITIVE_SIGN 	(KW_ZERO+7)
97 #define KW_NEGATIVE_SIGN 	(KW_ZERO+8)
98 #define KW_INT_FRAC_DIGITS 	(KW_ZERO+9)
99 #define KW_FRAC_DIGITS 		(KW_ZERO+10)
100 #define KW_P_CS_PRECEDES 	(KW_ZERO+11)
101 #define KW_P_SEP_BY_SPACE 	(KW_ZERO+12)
102 #define KW_N_CS_PRECEDES 	(KW_ZERO+13)
103 #define KW_N_SEP_BY_SPACE 	(KW_ZERO+14)
104 #define KW_P_SIGN_POSN 		(KW_ZERO+15)
105 #define KW_N_SIGN_POSN 		(KW_ZERO+16)
106 #define KW_INT_P_CS_PRECEDES 	(KW_ZERO+17)
107 #define KW_INT_P_SEP_BY_SPACE 	(KW_ZERO+18)
108 #define KW_INT_N_CS_PRECEDES 	(KW_ZERO+19)
109 #define KW_INT_N_SEP_BY_SPACE 	(KW_ZERO+20)
110 #define KW_INT_P_SIGN_POSN 	(KW_ZERO+21)
111 #define KW_INT_N_SIGN_POSN 	(KW_ZERO+22)
112 
113 struct _kwinfo {
114 	const char	*name;
115 	int		isstr;		/* true - string, false - number */
116 	int		catid;		/* LC_* */
117 	int		value_ref;
118 	const char	*comment;
119 } kwinfo [] = {
120 	{ "charmap",		1, LC_CTYPE,	CODESET, "" },	/* hack */
121 
122 	{ "decimal_point",	1, LC_NUMERIC,	RADIXCHAR, "" },
123 	{ "thousands_sep",	1, LC_NUMERIC,	THOUSEP, "" },
124 	{ "grouping",		1, LC_NUMERIC,	KW_GROUPING, "" },
125 	{ "radixchar",		1, LC_NUMERIC,	RADIXCHAR,
126 	  "Same as decimal_point (BSD only)" },			/* compat */
127 	{ "thousep",		1, LC_NUMERIC,	THOUSEP,
128 	  "Same as thousands_sep (BSD only)" },			/* compat */
129 
130 	{ "int_curr_symbol",	1, LC_MONETARY,	KW_INT_CURR_SYMBOL, "" },
131 	{ "currency_symbol",	1, LC_MONETARY,	KW_CURRENCY_SYMBOL, "" },
132 	{ "mon_decimal_point",	1, LC_MONETARY,	KW_MON_DECIMAL_POINT, "" },
133 	{ "mon_thousands_sep",	1, LC_MONETARY,	KW_MON_THOUSANDS_SEP, "" },
134 	{ "mon_grouping",	1, LC_MONETARY,	KW_MON_GROUPING, "" },
135 	{ "positive_sign",	1, LC_MONETARY,	KW_POSITIVE_SIGN, "" },
136 	{ "negative_sign",	1, LC_MONETARY,	KW_NEGATIVE_SIGN, "" },
137 
138 	{ "int_frac_digits",	0, LC_MONETARY,	KW_INT_FRAC_DIGITS, "" },
139 	{ "frac_digits",	0, LC_MONETARY,	KW_FRAC_DIGITS, "" },
140 	{ "p_cs_precedes",	0, LC_MONETARY,	KW_P_CS_PRECEDES, "" },
141 	{ "p_sep_by_space",	0, LC_MONETARY,	KW_P_SEP_BY_SPACE, "" },
142 	{ "n_cs_precedes",	0, LC_MONETARY,	KW_N_CS_PRECEDES, "" },
143 	{ "n_sep_by_space",	0, LC_MONETARY,	KW_N_SEP_BY_SPACE, "" },
144 	{ "p_sign_posn",	0, LC_MONETARY,	KW_P_SIGN_POSN, "" },
145 	{ "n_sign_posn",	0, LC_MONETARY,	KW_N_SIGN_POSN, "" },
146 	{ "int_p_cs_precedes",	0, LC_MONETARY,	KW_INT_P_CS_PRECEDES, "" },
147 	{ "int_p_sep_by_space",	0, LC_MONETARY,	KW_INT_P_SEP_BY_SPACE, "" },
148 	{ "int_n_cs_precedes",	0, LC_MONETARY,	KW_INT_N_CS_PRECEDES, "" },
149 	{ "int_n_sep_by_space",	0, LC_MONETARY,	KW_INT_N_SEP_BY_SPACE, "" },
150 	{ "int_p_sign_posn",	0, LC_MONETARY,	KW_INT_P_SIGN_POSN, "" },
151 	{ "int_n_sign_posn",	0, LC_MONETARY,	KW_INT_N_SIGN_POSN, "" },
152 
153 	{ "d_t_fmt",		1, LC_TIME,	D_T_FMT, "" },
154 	{ "d_fmt",		1, LC_TIME,	D_FMT, "" },
155 	{ "t_fmt",		1, LC_TIME,	T_FMT, "" },
156 	{ "am_str",		1, LC_TIME,	AM_STR, "" },
157 	{ "pm_str",		1, LC_TIME,	PM_STR, "" },
158 	{ "t_fmt_ampm",		1, LC_TIME,	T_FMT_AMPM, "" },
159 	{ "day_1",		1, LC_TIME,	DAY_1, "" },
160 	{ "day_2",		1, LC_TIME,	DAY_2, "" },
161 	{ "day_3",		1, LC_TIME,	DAY_3, "" },
162 	{ "day_4",		1, LC_TIME,	DAY_4, "" },
163 	{ "day_5",		1, LC_TIME,	DAY_5, "" },
164 	{ "day_6",		1, LC_TIME,	DAY_6, "" },
165 	{ "day_7",		1, LC_TIME,	DAY_7, "" },
166 	{ "abday_1",		1, LC_TIME,	ABDAY_1, "" },
167 	{ "abday_2",		1, LC_TIME,	ABDAY_2, "" },
168 	{ "abday_3",		1, LC_TIME,	ABDAY_3, "" },
169 	{ "abday_4",		1, LC_TIME,	ABDAY_4, "" },
170 	{ "abday_5",		1, LC_TIME,	ABDAY_5, "" },
171 	{ "abday_6",		1, LC_TIME,	ABDAY_6, "" },
172 	{ "abday_7",		1, LC_TIME,	ABDAY_7, "" },
173 	{ "mon_1",		1, LC_TIME,	MON_1, "" },
174 	{ "mon_2",		1, LC_TIME,	MON_2, "" },
175 	{ "mon_3",		1, LC_TIME,	MON_3, "" },
176 	{ "mon_4",		1, LC_TIME,	MON_4, "" },
177 	{ "mon_5",		1, LC_TIME,	MON_5, "" },
178 	{ "mon_6",		1, LC_TIME,	MON_6, "" },
179 	{ "mon_7",		1, LC_TIME,	MON_7, "" },
180 	{ "mon_8",		1, LC_TIME,	MON_8, "" },
181 	{ "mon_9",		1, LC_TIME,	MON_9, "" },
182 	{ "mon_10",		1, LC_TIME,	MON_10, "" },
183 	{ "mon_11",		1, LC_TIME,	MON_11, "" },
184 	{ "mon_12",		1, LC_TIME,	MON_12, "" },
185 	{ "abmon_1",		1, LC_TIME,	ABMON_1, "" },
186 	{ "abmon_2",		1, LC_TIME,	ABMON_2, "" },
187 	{ "abmon_3",		1, LC_TIME,	ABMON_3, "" },
188 	{ "abmon_4",		1, LC_TIME,	ABMON_4, "" },
189 	{ "abmon_5",		1, LC_TIME,	ABMON_5, "" },
190 	{ "abmon_6",		1, LC_TIME,	ABMON_6, "" },
191 	{ "abmon_7",		1, LC_TIME,	ABMON_7, "" },
192 	{ "abmon_8",		1, LC_TIME,	ABMON_8, "" },
193 	{ "abmon_9",		1, LC_TIME,	ABMON_9, "" },
194 	{ "abmon_10",		1, LC_TIME,	ABMON_10, "" },
195 	{ "abmon_11",		1, LC_TIME,	ABMON_11, "" },
196 	{ "abmon_12",		1, LC_TIME,	ABMON_12, "" },
197 	{ "era",		1, LC_TIME,	ERA, "(unavailable)" },
198 	{ "era_d_fmt",		1, LC_TIME,	ERA_D_FMT, "(unavailable)" },
199 	{ "era_d_t_fmt",	1, LC_TIME,	ERA_D_T_FMT, "(unavailable)" },
200 	{ "era_t_fmt",		1, LC_TIME,	ERA_T_FMT, "(unavailable)" },
201 	{ "alt_digits",		1, LC_TIME,	ALT_DIGITS, "" },
202 
203 	{ "yesexpr",		1, LC_MESSAGES, YESEXPR, "" },
204 	{ "noexpr",		1, LC_MESSAGES, NOEXPR, "" },
205 	{ "yesstr",		1, LC_MESSAGES, YESSTR,
206 	  "(POSIX legacy)" },					/* compat */
207 	{ "nostr",		1, LC_MESSAGES, NOSTR,
208 	  "(POSIX legacy)" }					/* compat */
209 
210 };
211 #define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0]))
212 
213 int
214 main(int argc, char *argv[])
215 {
216 	int	ch;
217 	int	tmp;
218 
219 	while ((ch = getopt(argc, argv, "ackm")) != -1) {
220 		switch (ch) {
221 		case 'a':
222 			all_locales = 1;
223 			break;
224 		case 'c':
225 			prt_categories = 1;
226 			break;
227 		case 'k':
228 			prt_keywords = 1;
229 			break;
230 		case 'm':
231 			all_charmaps = 1;
232 			break;
233 		default:
234 			usage();
235 		}
236 	}
237 	argc -= optind;
238 	argv += optind;
239 
240 	/* validate arguments */
241 	if (all_locales && all_charmaps)
242 		usage();
243 	if ((all_locales || all_charmaps) && argc > 0)
244 		usage();
245 	if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
246 		usage();
247 	if ((prt_categories || prt_keywords) && argc <= 0)
248 		usage();
249 
250 	/* process '-a' */
251 	if (all_locales) {
252 		list_locales();
253 		exit(0);
254 	}
255 
256 	/* process '-m' */
257 	if (all_charmaps) {
258 		list_charmaps();
259 		exit(0);
260 	}
261 
262 	/* check for special case '-k list' */
263 	tmp = 0;
264 	if (prt_keywords && argc > 0)
265 		while (tmp < argc)
266 			if (strcasecmp(argv[tmp++], "list") == 0) {
267 				showkeywordslist();
268 				exit(0);
269 			}
270 
271 	/* process '-c' and/or '-k' */
272 	if (prt_categories || prt_keywords || argc > 0) {
273 		setlocale(LC_ALL, "");
274 		while (argc > 0) {
275 			showdetails(*argv);
276 			argv++;
277 			argc--;
278 		}
279 		exit(0);
280 	}
281 
282 	/* no arguments, show current locale state */
283 	showlocale();
284 
285 	return (0);
286 }
287 
288 void
289 usage(void)
290 {
291 	printf("usage: locale [ -a | -m ]\n"
292                "       locale [ -ck ] keyword ...\n");
293 	exit(1);
294 }
295 
296 /*
297  * Output information about all available locales
298  *
299  * XXX actually output of this function does not guarantee that locale
300  *     is really available to application, since it can be broken or
301  *     inconsistent thus setlocale() will fail.  Maybe add '-V' function to
302  *     also validate these locales?
303  */
304 void
305 list_locales(void)
306 {
307 	size_t i;
308 
309 	init_locales_list();
310 	for (i = 0; i < locales->sl_cur; i++) {
311 		printf("%s\n", locales->sl_str[i]);
312 	}
313 }
314 
315 /*
316  * qsort() helper function
317  */
318 static int
319 scmp(const void *s1, const void *s2)
320 {
321 	return strcmp((const char *)s1, (const char *)s2);
322 }
323 
324 /*
325  * Output information about all available charmaps
326  *
327  * XXX this function is doing a task in hackish way, i.e. by scaning
328  *     list of locales, spliting their codeset part and building list of
329  *     them.
330  */
331 void
332 list_charmaps(void)
333 {
334 	size_t i;
335 	char *s, *cs;
336 	StringList *charmaps;
337 
338 	/* initialize StringList */
339 	charmaps = sl_init();
340 	if (charmaps == NULL)
341 		err(1, "could not allocate memory");
342 
343 	/* fetch locales list */
344 	init_locales_list();
345 
346 	/* split codesets and build their list */
347 	for (i = 0; i < locales->sl_cur; i++) {
348 		s = locales->sl_str[i];
349 		if ((cs = strchr(s, '.')) != NULL) {
350 			cs++;
351 			if (sl_find(charmaps, cs) == NULL)
352 				sl_add(charmaps, cs);
353 		}
354 	}
355 
356 	/* add US-ASCII, if not yet added */
357 	if (sl_find(charmaps, "US-ASCII") == NULL)
358 		sl_add(charmaps, "US-ASCII");
359 
360 	/* sort the list */
361 	qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp);
362 
363 	/* print results */
364 	for (i = 0; i < charmaps->sl_cur; i++) {
365 		printf("%s\n", charmaps->sl_str[i]);
366 	}
367 }
368 
369 /*
370  * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE
371  * environment variable is set)
372  */
373 void
374 init_locales_list(void)
375 {
376 	DIR *dirp;
377 	struct dirent *dp;
378 	char *s;
379 	char *localedir;
380 
381 	/* why call this function twice ? */
382 	if (locales != NULL)
383 		return;
384 
385 	/* initialize StringList */
386 	locales = sl_init();
387 	if (locales == NULL)
388 		err(1, "could not allocate memory");
389 
390 	/* get actual locales directory name */
391 	setlocale(LC_CTYPE, "C");
392 
393 	localedir = getenv("PATH_LOCALE");
394 	if (localedir == NULL)
395 		localedir = _PATH_LOCALE;
396 
397 	/* open locales directory */
398 	dirp = opendir(localedir);
399 	if (dirp == NULL)
400 		err(1, "could not open directory '%s'", localedir);
401 
402 	/* scan directory and store its contents except "." and ".." */
403 	while ((dp = readdir(dirp)) != NULL) {
404 		/* exclude "." and ".." */
405 		if ((dp->d_name[0] != '.' || (dp->d_name[1] != '\0' &&
406 		    (dp->d_name[1] != '.' ||  dp->d_name[2] != '\0')))) {
407 			s = strdup(dp->d_name);
408 			if (s == NULL)
409 				err(1, "could not allocate memory");
410 			sl_add(locales, s);
411 		}
412 	}
413 	closedir(dirp);
414 
415         /* make sure that 'POSIX' and 'C' locales are present in the list.
416 	 * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but
417          * we also list 'C' for constistency
418          */
419 	if (sl_find(locales, "POSIX") == NULL)
420 		sl_add(locales, "POSIX");
421 
422 	if (sl_find(locales, "C") == NULL)
423 		sl_add(locales, "C");
424 
425 	/* make output nicer, sort the list */
426 	qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp);
427 }
428 
429 /*
430  * Show current locale status, depending on environment variables
431  */
432 void
433 showlocale(void)
434 {
435 	size_t	i;
436 	const char *lang, *vval, *eval;
437 
438 	setlocale(LC_ALL, "");
439 
440 	lang = getenv("LANG");
441 	if (lang == NULL) {
442 		lang = "";
443 	}
444 	printf("LANG=\"%s\"\n", lang);
445 	/* XXX: if LANG is null, then set it to "C" to get implied values? */
446 
447 	for (i = 0; i < NLCINFO; i++) {
448 		vval = setlocale(lcinfo[i].id, NULL);
449 		eval = getenv(lcinfo[i].name);
450 		if (eval != NULL && !strcmp(eval, vval)
451 				&& strcmp(lang, vval)) {
452 			/*
453 			 * Appropriate environment variable set, its value
454 			 * is valid and not overriden by LC_ALL
455 			 *
456 			 * XXX: possible side effect: if both LANG and
457 			 * overriden environment variable are set into same
458 			 * value, then it'll be assumed as 'implied'
459 			 */
460 			printf("%s=\"%s\"\n", lcinfo[i].name, vval);
461 		} else {
462 			printf("%s=\"%s\"\n", lcinfo[i].name, vval);
463 		}
464 	}
465 
466 	vval = getenv("LC_ALL");
467 	if (vval == NULL) {
468 		vval = "";
469 	}
470 	printf("LC_ALL=\"%s\"\n", vval);
471 }
472 
473 /*
474  * keyword value lookup helper (via localeconv())
475  */
476 char *
477 kwval_lconv(int id)
478 {
479 	struct lconv *lc;
480 	char *rval;
481 
482 	rval = NULL;
483 	lc = localeconv();
484 	switch (id) {
485 		case KW_GROUPING:
486 			rval = lc->grouping;
487 			break;
488 		case KW_INT_CURR_SYMBOL:
489 			rval = lc->int_curr_symbol;
490 			break;
491 		case KW_CURRENCY_SYMBOL:
492 			rval = lc->currency_symbol;
493 			break;
494 		case KW_MON_DECIMAL_POINT:
495 			rval = lc->mon_decimal_point;
496 			break;
497 		case KW_MON_THOUSANDS_SEP:
498 			rval = lc->mon_thousands_sep;
499 			break;
500 		case KW_MON_GROUPING:
501 			rval = lc->mon_grouping;
502 			break;
503 		case KW_POSITIVE_SIGN:
504 			rval = lc->positive_sign;
505 			break;
506 		case KW_NEGATIVE_SIGN:
507 			rval = lc->negative_sign;
508 			break;
509 		case KW_INT_FRAC_DIGITS:
510 			rval = &(lc->int_frac_digits);
511 			break;
512 		case KW_FRAC_DIGITS:
513 			rval = &(lc->frac_digits);
514 			break;
515 		case KW_P_CS_PRECEDES:
516 			rval = &(lc->p_cs_precedes);
517 			break;
518 		case KW_P_SEP_BY_SPACE:
519 			rval = &(lc->p_sep_by_space);
520 			break;
521 		case KW_N_CS_PRECEDES:
522 			rval = &(lc->n_cs_precedes);
523 			break;
524 		case KW_N_SEP_BY_SPACE:
525 			rval = &(lc->n_sep_by_space);
526 			break;
527 		case KW_P_SIGN_POSN:
528 			rval = &(lc->p_sign_posn);
529 			break;
530 		case KW_N_SIGN_POSN:
531 			rval = &(lc->n_sign_posn);
532 			break;
533 		case KW_INT_P_CS_PRECEDES:
534 			rval = &(lc->int_p_cs_precedes);
535 			break;
536 		case KW_INT_P_SEP_BY_SPACE:
537 			rval = &(lc->int_p_sep_by_space);
538 			break;
539 		case KW_INT_N_CS_PRECEDES:
540 			rval = &(lc->int_n_cs_precedes);
541 			break;
542 		case KW_INT_N_SEP_BY_SPACE:
543 			rval = &(lc->int_n_sep_by_space);
544 			break;
545 		case KW_INT_P_SIGN_POSN:
546 			rval = &(lc->int_p_sign_posn);
547 			break;
548 		case KW_INT_N_SIGN_POSN:
549 			rval = &(lc->int_n_sign_posn);
550 			break;
551 		default:
552 			break;
553 	}
554 	return (rval);
555 }
556 
557 /*
558  * keyword value and properties lookup
559  */
560 int
561 kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr)
562 {
563 	int	rval;
564 	size_t	i;
565 
566 	rval = 0;
567 	for (i = 0; i < NKWINFO; i++) {
568 		if (strcasecmp(kwname, kwinfo[i].name) == 0) {
569 			rval = 1;
570 			*cat = kwinfo[i].catid;
571 			*isstr = kwinfo[i].isstr;
572 			if (kwinfo[i].value_ref < KW_ZERO) {
573 				*kwval = nl_langinfo(kwinfo[i].value_ref);
574 			} else {
575 				*kwval = kwval_lconv(kwinfo[i].value_ref);
576 			}
577 			break;
578 		}
579 	}
580 
581 	return (rval);
582 }
583 
584 /*
585  * Show details about requested keyword according to '-k' and/or '-c'
586  * command line options specified.
587  */
588 void
589 showdetails(char *kw)
590 {
591 	int	isstr, cat, tmpval;
592 	char	*kwval;
593 
594 	if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) {
595 		/*
596 		 * invalid keyword specified.
597 		 * XXX: any actions?
598 		 */
599 		return;
600 	}
601 
602 	if (prt_categories) {
603 		printf("%s\n", lookup_localecat(cat));
604 	}
605 
606 	if (prt_keywords) {
607 		if (isstr) {
608 			printf("%s=\"%s\"\n", kw, kwval);
609 		} else {
610 			tmpval = (char) *kwval;
611 			printf("%s=%d\n", kw, tmpval);
612 		}
613 	}
614 
615 	if (!prt_categories && !prt_keywords) {
616 		if (isstr) {
617 			printf("%s\n", kwval);
618 		} else {
619 			tmpval = (char) *kwval;
620 			printf("%d\n", tmpval);
621 		}
622 	}
623 }
624 
625 /*
626  * Convert locale category id into string
627  */
628 const char *
629 lookup_localecat(int cat)
630 {
631 	size_t	i;
632 
633 	for (i = 0; i < NLCINFO; i++)
634 		if (lcinfo[i].id == cat) {
635 			return (lcinfo[i].name);
636 		}
637 	return ("UNKNOWN");
638 }
639 
640 /*
641  * Show list of keywords
642  */
643 void
644 showkeywordslist(void)
645 {
646 	size_t	i;
647 
648 #define FMT "%-20s %-12s %-7s %-20s\n"
649 
650 	printf("List of available keywords\n\n");
651 	printf(FMT, "Keyword", "Category", "Type", "Comment");
652 	printf("-------------------- ------------ ------- --------------------\n");
653 	for (i = 0; i < NKWINFO; i++) {
654 		printf(FMT,
655 			kwinfo[i].name,
656 			lookup_localecat(kwinfo[i].catid),
657 			(kwinfo[i].isstr == 0) ? "number" : "string",
658 			kwinfo[i].comment);
659 	}
660 }
661