xref: /freebsd/usr.bin/locale/locale.c (revision d37ea99837e6ad50837fd9fe1771ddf1c3ba6002)
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  * $FreeBSD$
27  */
28 
29 /*
30  * XXX: implement missing era_* (LC_TIME) keywords (require libc &
31  *	nl_langinfo(3) extensions)
32  *
33  * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require
34  *      localedef(1) implementation).  Currently it's handled via
35  *	nl_langinfo(CODESET).
36  */
37 
38 #include <sys/types.h>
39 #include <dirent.h>
40 #include <err.h>
41 #include <locale.h>
42 #include <langinfo.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <stringlist.h>
47 #include <unistd.h>
48 #include "setlocale.h"
49 
50 /* Local prototypes */
51 void	init_locales_list(void);
52 void	list_charmaps(void);
53 void	list_locales(void);
54 const char *lookup_localecat(int);
55 char	*kwval_lconv(int);
56 int	kwval_lookup(char *, char **, int *, int *);
57 void	showdetails(char *);
58 void	showkeywordslist(void);
59 void	showlocale(void);
60 void	usage(void);
61 
62 /* Global variables */
63 static StringList *locales = NULL;
64 
65 int	all_locales = 0;
66 int	all_charmaps = 0;
67 int	prt_categories = 0;
68 int	prt_keywords = 0;
69 int	more_params = 0;
70 
71 struct _lcinfo {
72 	const char	*name;
73 	int		id;
74 } lcinfo [] = {
75 	{ "LC_CTYPE",		LC_CTYPE },
76 	{ "LC_COLLATE",		LC_COLLATE },
77 	{ "LC_TIME",		LC_TIME },
78 	{ "LC_NUMERIC",		LC_NUMERIC },
79 	{ "LC_MONETARY",	LC_MONETARY },
80 	{ "LC_MESSAGES",	LC_MESSAGES }
81 };
82 #define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0]))
83 
84 /* ids for values not referenced by nl_langinfo() */
85 #define	KW_ZERO			10000
86 #define	KW_GROUPING		(KW_ZERO+1)
87 #define KW_INT_CURR_SYMBOL 	(KW_ZERO+2)
88 #define KW_CURRENCY_SYMBOL 	(KW_ZERO+3)
89 #define KW_MON_DECIMAL_POINT 	(KW_ZERO+4)
90 #define KW_MON_THOUSANDS_SEP 	(KW_ZERO+5)
91 #define KW_MON_GROUPING 	(KW_ZERO+6)
92 #define KW_POSITIVE_SIGN 	(KW_ZERO+7)
93 #define KW_NEGATIVE_SIGN 	(KW_ZERO+8)
94 #define KW_INT_FRAC_DIGITS 	(KW_ZERO+9)
95 #define KW_FRAC_DIGITS 		(KW_ZERO+10)
96 #define KW_P_CS_PRECEDES 	(KW_ZERO+11)
97 #define KW_P_SEP_BY_SPACE 	(KW_ZERO+12)
98 #define KW_N_CS_PRECEDES 	(KW_ZERO+13)
99 #define KW_N_SEP_BY_SPACE 	(KW_ZERO+14)
100 #define KW_P_SIGN_POSN 		(KW_ZERO+15)
101 #define KW_N_SIGN_POSN 		(KW_ZERO+16)
102 #define KW_INT_P_CS_PRECEDES 	(KW_ZERO+17)
103 #define KW_INT_P_SEP_BY_SPACE 	(KW_ZERO+18)
104 #define KW_INT_N_CS_PRECEDES 	(KW_ZERO+19)
105 #define KW_INT_N_SEP_BY_SPACE 	(KW_ZERO+20)
106 #define KW_INT_P_SIGN_POSN 	(KW_ZERO+21)
107 #define KW_INT_N_SIGN_POSN 	(KW_ZERO+22)
108 
109 struct _kwinfo {
110 	const char	*name;
111 	int		isstr;		/* true - string, false - number */
112 	int		catid;		/* LC_* */
113 	int		value_ref;
114 	const char	*comment;
115 } kwinfo [] = {
116 	{ "charmap",		1, LC_CTYPE,	CODESET, "" },	/* hack */
117 
118 	{ "decimal_point",	1, LC_NUMERIC,	RADIXCHAR, "" },
119 	{ "thousands_sep",	1, LC_NUMERIC,	THOUSEP, "" },
120 	{ "grouping",		1, LC_NUMERIC,	KW_GROUPING, "" },
121 	{ "radixchar",		1, LC_NUMERIC,	RADIXCHAR,
122 	  "Same as decimal_point (FreeBSD only)" },		/* compat */
123 	{ "thousep",		1, LC_NUMERIC,	THOUSEP,
124 	  "Same as thousands_sep (FreeBSD only)" },		/* compat */
125 
126 	{ "int_curr_symbol",	1, LC_MONETARY,	KW_INT_CURR_SYMBOL, "" },
127 	{ "currency_symbol",	1, LC_MONETARY,	KW_CURRENCY_SYMBOL, "" },
128 	{ "mon_decimal_point",	1, LC_MONETARY,	KW_MON_DECIMAL_POINT, "" },
129 	{ "mon_thousands_sep",	1, LC_MONETARY,	KW_MON_THOUSANDS_SEP, "" },
130 	{ "mon_grouping",	1, LC_MONETARY,	KW_MON_GROUPING, "" },
131 	{ "positive_sign",	1, LC_MONETARY,	KW_POSITIVE_SIGN, "" },
132 	{ "negative_sign",	1, LC_MONETARY,	KW_NEGATIVE_SIGN, "" },
133 
134 	{ "int_frac_digits",	0, LC_MONETARY,	KW_INT_FRAC_DIGITS, "" },
135 	{ "frac_digits",	0, LC_MONETARY,	KW_FRAC_DIGITS, "" },
136 	{ "p_cs_precedes",	0, LC_MONETARY,	KW_P_CS_PRECEDES, "" },
137 	{ "p_sep_by_space",	0, LC_MONETARY,	KW_P_SEP_BY_SPACE, "" },
138 	{ "n_cs_precedes",	0, LC_MONETARY,	KW_N_CS_PRECEDES, "" },
139 	{ "n_sep_by_space",	0, LC_MONETARY,	KW_N_SEP_BY_SPACE, "" },
140 	{ "p_sign_posn",	0, LC_MONETARY,	KW_P_SIGN_POSN, "" },
141 	{ "n_sign_posn",	0, LC_MONETARY,	KW_N_SIGN_POSN, "" },
142 	{ "int_p_cs_precedes",	0, LC_MONETARY,	KW_INT_P_CS_PRECEDES, "" },
143 	{ "int_p_sep_by_space",	0, LC_MONETARY,	KW_INT_P_SEP_BY_SPACE, "" },
144 	{ "int_n_cs_precedes",	0, LC_MONETARY,	KW_INT_N_CS_PRECEDES, "" },
145 	{ "int_n_sep_by_space",	0, LC_MONETARY,	KW_INT_N_SEP_BY_SPACE, "" },
146 	{ "int_p_sign_posn",	0, LC_MONETARY,	KW_INT_P_SIGN_POSN, "" },
147 	{ "int_n_sign_posn",	0, LC_MONETARY,	KW_INT_N_SIGN_POSN, "" },
148 
149 	{ "d_t_fmt",		1, LC_TIME,	D_T_FMT, "" },
150 	{ "d_fmt",		1, LC_TIME,	D_FMT, "" },
151 	{ "t_fmt",		1, LC_TIME,	T_FMT, "" },
152 	{ "am_str",		1, LC_TIME,	AM_STR, "" },
153 	{ "pm_str",		1, LC_TIME,	PM_STR, "" },
154 	{ "t_fmt_ampm",		1, LC_TIME,	T_FMT_AMPM, "" },
155 	{ "day_1",		1, LC_TIME,	DAY_1, "" },
156 	{ "day_2",		1, LC_TIME,	DAY_2, "" },
157 	{ "day_3",		1, LC_TIME,	DAY_3, "" },
158 	{ "day_4",		1, LC_TIME,	DAY_4, "" },
159 	{ "day_5",		1, LC_TIME,	DAY_5, "" },
160 	{ "day_6",		1, LC_TIME,	DAY_6, "" },
161 	{ "day_7",		1, LC_TIME,	DAY_7, "" },
162 	{ "abday_1",		1, LC_TIME,	ABDAY_1, "" },
163 	{ "abday_2",		1, LC_TIME,	ABDAY_2, "" },
164 	{ "abday_3",		1, LC_TIME,	ABDAY_3, "" },
165 	{ "abday_4",		1, LC_TIME,	ABDAY_4, "" },
166 	{ "abday_5",		1, LC_TIME,	ABDAY_5, "" },
167 	{ "abday_6",		1, LC_TIME,	ABDAY_6, "" },
168 	{ "abday_7",		1, LC_TIME,	ABDAY_7, "" },
169 	{ "mon_1",		1, LC_TIME,	MON_1, "" },
170 	{ "mon_2",		1, LC_TIME,	MON_2, "" },
171 	{ "mon_3",		1, LC_TIME,	MON_3, "" },
172 	{ "mon_4",		1, LC_TIME,	MON_4, "" },
173 	{ "mon_5",		1, LC_TIME,	MON_5, "" },
174 	{ "mon_6",		1, LC_TIME,	MON_6, "" },
175 	{ "mon_7",		1, LC_TIME,	MON_7, "" },
176 	{ "mon_8",		1, LC_TIME,	MON_8, "" },
177 	{ "mon_9",		1, LC_TIME,	MON_9, "" },
178 	{ "mon_10",		1, LC_TIME,	MON_10, "" },
179 	{ "mon_11",		1, LC_TIME,	MON_11, "" },
180 	{ "mon_12",		1, LC_TIME,	MON_12, "" },
181 	{ "abmon_1",		1, LC_TIME,	ABMON_1, "" },
182 	{ "abmon_2",		1, LC_TIME,	ABMON_2, "" },
183 	{ "abmon_3",		1, LC_TIME,	ABMON_3, "" },
184 	{ "abmon_4",		1, LC_TIME,	ABMON_4, "" },
185 	{ "abmon_5",		1, LC_TIME,	ABMON_5, "" },
186 	{ "abmon_6",		1, LC_TIME,	ABMON_6, "" },
187 	{ "abmon_7",		1, LC_TIME,	ABMON_7, "" },
188 	{ "abmon_8",		1, LC_TIME,	ABMON_8, "" },
189 	{ "abmon_9",		1, LC_TIME,	ABMON_9, "" },
190 	{ "abmon_10",		1, LC_TIME,	ABMON_10, "" },
191 	{ "abmon_11",		1, LC_TIME,	ABMON_11, "" },
192 	{ "abmon_12",		1, LC_TIME,	ABMON_12, "" },
193 	{ "era",		1, LC_TIME,	ERA, "(unavailable)" },
194 	{ "era_d_fmt",		1, LC_TIME,	ERA_D_FMT, "(unavailable)" },
195 	{ "era_d_t_fmt",	1, LC_TIME,	ERA_D_T_FMT, "(unavailable)" },
196 	{ "era_t_fmt",		1, LC_TIME,	ERA_T_FMT, "(unavailable)" },
197 	{ "alt_digits",		1, LC_TIME,	ALT_DIGITS, "" },
198 	{ "d_md_order",		1, LC_TIME,	D_MD_ORDER,
199 	  "(FreeBSD only)"				},	/* local */
200 
201 	{ "yesexpr",		1, LC_MESSAGES, YESEXPR, "" },
202 	{ "noexpr",		1, LC_MESSAGES, NOEXPR, "" },
203 	{ "yesstr",		1, LC_MESSAGES, YESSTR,
204 	  "(POSIX legacy)" },					/* compat */
205 	{ "nostr",		1, LC_MESSAGES, NOSTR,
206 	  "(POSIX legacy)" }					/* compat */
207 
208 };
209 #define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0]))
210 
211 int
212 main(int argc, char *argv[])
213 {
214 	int	ch;
215 	int	tmp;
216 
217 	while ((ch = getopt(argc, argv, "ackm")) != -1) {
218 		switch (ch) {
219 		case 'a':
220 			all_locales = 1;
221 			break;
222 		case 'c':
223 			prt_categories = 1;
224 			break;
225 		case 'k':
226 			prt_keywords = 1;
227 			break;
228 		case 'm':
229 			all_charmaps = 1;
230 			break;
231 		default:
232 			usage();
233 		}
234 	}
235 	argc -= optind;
236 	argv += optind;
237 
238 	/* validate arguments */
239 	if (all_locales && all_charmaps)
240 		usage();
241 	if ((all_locales || all_charmaps) && argc > 0)
242 		usage();
243 	if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
244 		usage();
245 	if ((prt_categories || prt_keywords) && argc <= 0)
246 		usage();
247 
248 	/* process '-a' */
249 	if (all_locales) {
250 		list_locales();
251 		exit(0);
252 	}
253 
254 	/* process '-m' */
255 	if (all_charmaps) {
256 		list_charmaps();
257 		exit(0);
258 	}
259 
260 	/* check for special case '-k list' */
261 	tmp = 0;
262 	if (prt_keywords && argc > 0)
263 		while (tmp < argc)
264 			if (strcasecmp(argv[tmp++], "list") == 0) {
265 				showkeywordslist();
266 				exit(0);
267 			}
268 
269 	/* process '-c' and/or '-k' */
270 	if (prt_categories || prt_keywords || argc > 0) {
271 		setlocale(LC_ALL, "");
272 		while (argc > 0) {
273 			showdetails(*argv);
274 			argv++;
275 			argc--;
276 		}
277 		exit(0);
278 	}
279 
280 	/* no arguments, show current locale state */
281 	showlocale();
282 
283 	return (0);
284 }
285 
286 void
287 usage(void)
288 {
289 	printf("Usage: locale [ -a | -m ]\n"
290                "       locale [ -ck ] name ...\n");
291 	exit(1);
292 }
293 
294 /*
295  * Output information about all available locales
296  *
297  * XXX actually output of this function does not guarantee that locale
298  *     is really available to application, since it can be broken or
299  *     inconsistent thus setlocale() will fail.  Maybe add '-V' function to
300  *     also validate these locales?
301  */
302 void
303 list_locales(void)
304 {
305 	size_t i;
306 
307 	init_locales_list();
308 	for (i = 0; i < locales->sl_cur; i++) {
309 		printf("%s\n", locales->sl_str[i]);
310 	}
311 }
312 
313 /*
314  * qsort() helper function
315  */
316 static int
317 scmp(const void *s1, const void *s2)
318 {
319 	return strcmp(*(const char **)s1, *(const char **)s2);
320 }
321 
322 /*
323  * Output information about all available charmaps
324  *
325  * XXX this function is doing a task in hackish way, i.e. by scaning
326  *     list of locales, spliting their codeset part and building list of
327  *     them.
328  */
329 void
330 list_charmaps(void)
331 {
332 	size_t i;
333 	char *s, *cs;
334 	StringList *charmaps;
335 
336 	/* initialize StringList */
337 	charmaps = sl_init();
338 	if (charmaps == NULL)
339 		err(1, "could not allocate memory");
340 
341 	/* fetch locales list */
342 	init_locales_list();
343 
344 	/* split codesets and build their list */
345 	for (i = 0; i < locales->sl_cur; i++) {
346 		s = locales->sl_str[i];
347 		if ((cs = strchr(s, '.')) != NULL) {
348 			cs++;
349 			if (sl_find(charmaps, cs) == NULL)
350 				sl_add(charmaps, cs);
351 		}
352 	}
353 
354 	/* add US-ASCII, if not yet added */
355 	if (sl_find(charmaps, "US-ASCII") == NULL)
356 		sl_add(charmaps, "US-ASCII");
357 
358 	/* sort the list */
359 	qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp);
360 
361 	/* print results */
362 	for (i = 0; i < charmaps->sl_cur; i++) {
363 		printf("%s\n", charmaps->sl_str[i]);
364 	}
365 }
366 
367 /*
368  * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE
369  * environment variable is set)
370  */
371 void
372 init_locales_list(void)
373 {
374 	DIR *dirp;
375 	struct dirent *dp;
376 
377 	/* why call this function twice ? */
378 	if (locales != NULL)
379 		return;
380 
381 	/* initialize StringList */
382 	locales = sl_init();
383 	if (locales == NULL)
384 		err(1, "could not allocate memory");
385 
386 	/* get actual locales directory name */
387 	if (__detect_path_locale() != 0)
388 		err(1, "unable to find locales storage");
389 
390 	/* open locales directory */
391 	dirp = opendir(_PathLocale);
392 	if (dirp == NULL)
393 		err(1, "could not open directory '%s'", _PathLocale);
394 
395 	/* scan directory and store its contents except "." and ".." */
396 	while ((dp = readdir(dirp)) != NULL) {
397 		if (*(dp->d_name) == '.')
398 			continue;		/* exclude "." and ".." */
399 		sl_add(locales, strdup(dp->d_name));
400 	}
401 	closedir(dirp);
402 
403         /* make sure that 'POSIX' and 'C' locales are present in the list.
404 	 * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but
405          * we also list 'C' for constistency
406          */
407 	if (sl_find(locales, "POSIX") == NULL)
408 		sl_add(locales, "POSIX");
409 
410 	if (sl_find(locales, "C") == NULL)
411 		sl_add(locales, "C");
412 
413 	/* make output nicer, sort the list */
414 	qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp);
415 }
416 
417 /*
418  * Show current locale status, depending on environment variables
419  */
420 void
421 showlocale(void)
422 {
423 	size_t	i;
424 	const char *lang, *vval, *eval;
425 
426 	setlocale(LC_ALL, "");
427 
428 	lang = getenv("LANG");
429 	if (lang == NULL) {
430 		lang = "";
431 	}
432 	printf("LANG=%s\n", lang);
433 	/* XXX: if LANG is null, then set it to "C" to get implied values? */
434 
435 	for (i = 0; i < NLCINFO; i++) {
436 		vval = setlocale(lcinfo[i].id, NULL);
437 		eval = getenv(lcinfo[i].name);
438 		if (eval != NULL && !strcmp(eval, vval)
439 				&& strcmp(lang, vval)) {
440 			/*
441 			 * Appropriate environment variable set, its value
442 			 * is valid and not overriden by LC_ALL
443 			 *
444 			 * XXX: possible side effect: if both LANG and
445 			 * overriden environment variable are set into same
446 			 * value, then it'll be assumed as 'implied'
447 			 */
448 			printf("%s=%s\n", lcinfo[i].name, vval);
449 		} else {
450 			printf("%s=\"%s\"\n", lcinfo[i].name, vval);
451 		}
452 	}
453 
454 	vval = getenv("LC_ALL");
455 	if (vval == NULL) {
456 		vval = "";
457 	}
458 	printf("LC_ALL=%s\n", vval);
459 }
460 
461 /*
462  * keyword value lookup helper (via localeconv())
463  */
464 char *
465 kwval_lconv(int id)
466 {
467 	struct lconv *lc;
468 	char *rval;
469 
470 	rval = NULL;
471 	lc = localeconv();
472 	switch (id) {
473 		case KW_GROUPING:
474 			rval = lc->grouping;
475 			break;
476 		case KW_INT_CURR_SYMBOL:
477 			rval = lc->int_curr_symbol;
478 			break;
479 		case KW_CURRENCY_SYMBOL:
480 			rval = lc->currency_symbol;
481 			break;
482 		case KW_MON_DECIMAL_POINT:
483 			rval = lc->mon_decimal_point;
484 			break;
485 		case KW_MON_THOUSANDS_SEP:
486 			rval = lc->mon_thousands_sep;
487 			break;
488 		case KW_MON_GROUPING:
489 			rval = lc->mon_grouping;
490 			break;
491 		case KW_POSITIVE_SIGN:
492 			rval = lc->positive_sign;
493 			break;
494 		case KW_NEGATIVE_SIGN:
495 			rval = lc->negative_sign;
496 			break;
497 		case KW_INT_FRAC_DIGITS:
498 			rval = &(lc->int_frac_digits);
499 			break;
500 		case KW_FRAC_DIGITS:
501 			rval = &(lc->frac_digits);
502 			break;
503 		case KW_P_CS_PRECEDES:
504 			rval = &(lc->p_cs_precedes);
505 			break;
506 		case KW_P_SEP_BY_SPACE:
507 			rval = &(lc->p_sep_by_space);
508 			break;
509 		case KW_N_CS_PRECEDES:
510 			rval = &(lc->n_cs_precedes);
511 			break;
512 		case KW_N_SEP_BY_SPACE:
513 			rval = &(lc->n_sep_by_space);
514 			break;
515 		case KW_P_SIGN_POSN:
516 			rval = &(lc->p_sign_posn);
517 			break;
518 		case KW_N_SIGN_POSN:
519 			rval = &(lc->n_sign_posn);
520 			break;
521 		case KW_INT_P_CS_PRECEDES:
522 			rval = &(lc->int_p_cs_precedes);
523 			break;
524 		case KW_INT_P_SEP_BY_SPACE:
525 			rval = &(lc->int_p_sep_by_space);
526 			break;
527 		case KW_INT_N_CS_PRECEDES:
528 			rval = &(lc->int_n_cs_precedes);
529 			break;
530 		case KW_INT_N_SEP_BY_SPACE:
531 			rval = &(lc->int_n_sep_by_space);
532 			break;
533 		case KW_INT_P_SIGN_POSN:
534 			rval = &(lc->int_p_sign_posn);
535 			break;
536 		case KW_INT_N_SIGN_POSN:
537 			rval = &(lc->int_n_sign_posn);
538 			break;
539 		default:
540 			break;
541 	}
542 	return (rval);
543 }
544 
545 /*
546  * keyword value and properties lookup
547  */
548 int
549 kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr)
550 {
551 	int	rval;
552 	size_t	i;
553 
554 	rval = 0;
555 	for (i = 0; i < NKWINFO; i++) {
556 		if (strcasecmp(kwname, kwinfo[i].name) == 0) {
557 			rval = 1;
558 			*cat = kwinfo[i].catid;
559 			*isstr = kwinfo[i].isstr;
560 			if (kwinfo[i].value_ref < KW_ZERO) {
561 				*kwval = nl_langinfo(kwinfo[i].value_ref);
562 			} else {
563 				*kwval = kwval_lconv(kwinfo[i].value_ref);
564 			}
565 			break;
566 		}
567 	}
568 
569 	return (rval);
570 }
571 
572 /*
573  * Show details about requested keyword according to '-k' and/or '-c'
574  * command line options specified.
575  */
576 void
577 showdetails(char *kw)
578 {
579 	int	isstr, cat, tmpval;
580 	char	*kwval;
581 
582 	if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) {
583 		/*
584 		 * invalid keyword specified.
585 		 * XXX: any actions?
586 		 */
587 		return;
588 	}
589 
590 	if (prt_categories) {
591 		printf("%s\n", lookup_localecat(cat));
592 	}
593 
594 	if (prt_keywords) {
595 		if (isstr) {
596 			printf("%s=\"%s\"\n", kw, kwval);
597 		} else {
598 			tmpval = (char) *kwval;
599 			printf("%s=%d\n", kw, tmpval);
600 		}
601 	}
602 
603 	if (!prt_categories && !prt_keywords) {
604 		if (isstr) {
605 			printf("%s\n", kwval);
606 		} else {
607 			tmpval = (char) *kwval;
608 			printf("%d\n", tmpval);
609 		}
610 	}
611 }
612 
613 /*
614  * Convert locale category id into string
615  */
616 const char *
617 lookup_localecat(int cat)
618 {
619 	size_t	i;
620 
621 	for (i = 0; i < NLCINFO; i++)
622 		if (lcinfo[i].id == cat) {
623 			return (lcinfo[i].name);
624 		}
625 	return ("UNKNOWN");
626 }
627 
628 /*
629  * Show list of keywords
630  */
631 void
632 showkeywordslist(void)
633 {
634 	size_t	i;
635 
636 #define FMT "%-20s %-12s %-7s %-20s\n"
637 
638 	printf("List of available keywords\n\n");
639 	printf(FMT, "Keyword", "Category", "Type", "Comment");
640 	printf("-------------------- ------------ ------- --------------------\n");
641 	for (i = 0; i < NKWINFO; i++) {
642 		printf(FMT,
643 			kwinfo[i].name,
644 			lookup_localecat(kwinfo[i].catid),
645 			(kwinfo[i].isstr == 0) ? "number" : "string",
646 			kwinfo[i].comment);
647 	}
648 }
649