1/*	$NetBSD: locale.c,v 1.7 2009/01/16 13:30:07 hira Exp $	*/
2
3/*-
4 * Copyright (c) 2002, 2003 Alexey Zelkin <phantom@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * FreeBSD: src/usr.bin/locale/locale.c,v 1.10 2003/06/26 11:05:56 phantom Exp
29 */
30
31#include <sys/cdefs.h>
32#if defined(LIBC_SCCS) && !defined(lint)
33__RCSID("$NetBSD: locale.c,v 1.7 2009/01/16 13:30:07 hira Exp $");
34#endif /* LIBC_SCCS and not lint */
35
36/*
37 * XXX: implement missing era_* (LC_TIME) keywords (require libc &
38 *	nl_langinfo(3) extensions)
39 *
40 * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require
41 *      localedef(1) implementation).  Currently it's handled via
42 *	nl_langinfo(CODESET).
43 */
44
45#include <sys/types.h>
46#include <assert.h>
47#include <dirent.h>
48#include <err.h>
49#include <locale.h>
50#include <langinfo.h>
51#include <limits.h>
52#include <paths.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <string.h>
56#include <stringlist.h>
57#include <unistd.h>
58
59#include "citrus_namespace.h"
60#include "citrus_region.h"
61#include "citrus_lookup.h"
62#include "setlocale_local.h"
63
64/* Local prototypes */
65void	init_locales_list(void);
66void	init_locales_list_alias(void);
67void	list_charmaps(void);
68void	list_locales(void);
69const char *lookup_localecat(int);
70char	*kwval_lconv(int);
71int	kwval_lookup(char *, char **, int *, int *);
72void	showdetails(char *);
73void	showkeywordslist(void);
74void	showlocale(void);
75void	usage(void);
76
77/* Global variables */
78static StringList *locales = NULL;
79
80int	all_locales = 0;
81int	all_charmaps = 0;
82int	prt_categories = 0;
83int	prt_keywords = 0;
84int	more_params = 0;
85
86struct _lcinfo {
87	const char	*name;
88	int		id;
89} lcinfo [] = {
90	{ "LC_CTYPE",		LC_CTYPE },
91	{ "LC_COLLATE",		LC_COLLATE },
92	{ "LC_TIME",		LC_TIME },
93	{ "LC_NUMERIC",		LC_NUMERIC },
94	{ "LC_MONETARY",	LC_MONETARY },
95	{ "LC_MESSAGES",	LC_MESSAGES }
96};
97#define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0]))
98
99/* ids for values not referenced by nl_langinfo() */
100#define	KW_ZERO			10000
101#define	KW_GROUPING		(KW_ZERO+1)
102#define KW_INT_CURR_SYMBOL 	(KW_ZERO+2)
103#define KW_CURRENCY_SYMBOL 	(KW_ZERO+3)
104#define KW_MON_DECIMAL_POINT 	(KW_ZERO+4)
105#define KW_MON_THOUSANDS_SEP 	(KW_ZERO+5)
106#define KW_MON_GROUPING 	(KW_ZERO+6)
107#define KW_POSITIVE_SIGN 	(KW_ZERO+7)
108#define KW_NEGATIVE_SIGN 	(KW_ZERO+8)
109#define KW_INT_FRAC_DIGITS 	(KW_ZERO+9)
110#define KW_FRAC_DIGITS 		(KW_ZERO+10)
111#define KW_P_CS_PRECEDES 	(KW_ZERO+11)
112#define KW_P_SEP_BY_SPACE 	(KW_ZERO+12)
113#define KW_N_CS_PRECEDES 	(KW_ZERO+13)
114#define KW_N_SEP_BY_SPACE 	(KW_ZERO+14)
115#define KW_P_SIGN_POSN 		(KW_ZERO+15)
116#define KW_N_SIGN_POSN 		(KW_ZERO+16)
117#define KW_INT_P_CS_PRECEDES 	(KW_ZERO+17)
118#define KW_INT_P_SEP_BY_SPACE 	(KW_ZERO+18)
119#define KW_INT_N_CS_PRECEDES 	(KW_ZERO+19)
120#define KW_INT_N_SEP_BY_SPACE 	(KW_ZERO+20)
121#define KW_INT_P_SIGN_POSN 	(KW_ZERO+21)
122#define KW_INT_N_SIGN_POSN 	(KW_ZERO+22)
123
124struct _kwinfo {
125	const char	*name;
126	int		isstr;		/* true - string, false - number */
127	int		catid;		/* LC_* */
128	int		value_ref;
129	const char	*comment;
130} kwinfo [] = {
131	{ "charmap",		1, LC_CTYPE,	CODESET, "" },	/* hack */
132
133	{ "decimal_point",	1, LC_NUMERIC,	RADIXCHAR, "" },
134	{ "thousands_sep",	1, LC_NUMERIC,	THOUSEP, "" },
135	{ "grouping",		1, LC_NUMERIC,	KW_GROUPING, "" },
136	{ "radixchar",		1, LC_NUMERIC,	RADIXCHAR,
137	  "Same as decimal_point (BSD only)" },			/* compat */
138	{ "thousep",		1, LC_NUMERIC,	THOUSEP,
139	  "Same as thousands_sep (BSD only)" },			/* compat */
140
141	{ "int_curr_symbol",	1, LC_MONETARY,	KW_INT_CURR_SYMBOL, "" },
142	{ "currency_symbol",	1, LC_MONETARY,	KW_CURRENCY_SYMBOL, "" },
143	{ "mon_decimal_point",	1, LC_MONETARY,	KW_MON_DECIMAL_POINT, "" },
144	{ "mon_thousands_sep",	1, LC_MONETARY,	KW_MON_THOUSANDS_SEP, "" },
145	{ "mon_grouping",	1, LC_MONETARY,	KW_MON_GROUPING, "" },
146	{ "positive_sign",	1, LC_MONETARY,	KW_POSITIVE_SIGN, "" },
147	{ "negative_sign",	1, LC_MONETARY,	KW_NEGATIVE_SIGN, "" },
148
149	{ "int_frac_digits",	0, LC_MONETARY,	KW_INT_FRAC_DIGITS, "" },
150	{ "frac_digits",	0, LC_MONETARY,	KW_FRAC_DIGITS, "" },
151	{ "p_cs_precedes",	0, LC_MONETARY,	KW_P_CS_PRECEDES, "" },
152	{ "p_sep_by_space",	0, LC_MONETARY,	KW_P_SEP_BY_SPACE, "" },
153	{ "n_cs_precedes",	0, LC_MONETARY,	KW_N_CS_PRECEDES, "" },
154	{ "n_sep_by_space",	0, LC_MONETARY,	KW_N_SEP_BY_SPACE, "" },
155	{ "p_sign_posn",	0, LC_MONETARY,	KW_P_SIGN_POSN, "" },
156	{ "n_sign_posn",	0, LC_MONETARY,	KW_N_SIGN_POSN, "" },
157	{ "int_p_cs_precedes",	0, LC_MONETARY,	KW_INT_P_CS_PRECEDES, "" },
158	{ "int_p_sep_by_space",	0, LC_MONETARY,	KW_INT_P_SEP_BY_SPACE, "" },
159	{ "int_n_cs_precedes",	0, LC_MONETARY,	KW_INT_N_CS_PRECEDES, "" },
160	{ "int_n_sep_by_space",	0, LC_MONETARY,	KW_INT_N_SEP_BY_SPACE, "" },
161	{ "int_p_sign_posn",	0, LC_MONETARY,	KW_INT_P_SIGN_POSN, "" },
162	{ "int_n_sign_posn",	0, LC_MONETARY,	KW_INT_N_SIGN_POSN, "" },
163
164	{ "d_t_fmt",		1, LC_TIME,	D_T_FMT, "" },
165	{ "d_fmt",		1, LC_TIME,	D_FMT, "" },
166	{ "t_fmt",		1, LC_TIME,	T_FMT, "" },
167	{ "am_str",		1, LC_TIME,	AM_STR, "" },
168	{ "pm_str",		1, LC_TIME,	PM_STR, "" },
169	{ "t_fmt_ampm",		1, LC_TIME,	T_FMT_AMPM, "" },
170	{ "day_1",		1, LC_TIME,	DAY_1, "" },
171	{ "day_2",		1, LC_TIME,	DAY_2, "" },
172	{ "day_3",		1, LC_TIME,	DAY_3, "" },
173	{ "day_4",		1, LC_TIME,	DAY_4, "" },
174	{ "day_5",		1, LC_TIME,	DAY_5, "" },
175	{ "day_6",		1, LC_TIME,	DAY_6, "" },
176	{ "day_7",		1, LC_TIME,	DAY_7, "" },
177	{ "abday_1",		1, LC_TIME,	ABDAY_1, "" },
178	{ "abday_2",		1, LC_TIME,	ABDAY_2, "" },
179	{ "abday_3",		1, LC_TIME,	ABDAY_3, "" },
180	{ "abday_4",		1, LC_TIME,	ABDAY_4, "" },
181	{ "abday_5",		1, LC_TIME,	ABDAY_5, "" },
182	{ "abday_6",		1, LC_TIME,	ABDAY_6, "" },
183	{ "abday_7",		1, LC_TIME,	ABDAY_7, "" },
184	{ "mon_1",		1, LC_TIME,	MON_1, "" },
185	{ "mon_2",		1, LC_TIME,	MON_2, "" },
186	{ "mon_3",		1, LC_TIME,	MON_3, "" },
187	{ "mon_4",		1, LC_TIME,	MON_4, "" },
188	{ "mon_5",		1, LC_TIME,	MON_5, "" },
189	{ "mon_6",		1, LC_TIME,	MON_6, "" },
190	{ "mon_7",		1, LC_TIME,	MON_7, "" },
191	{ "mon_8",		1, LC_TIME,	MON_8, "" },
192	{ "mon_9",		1, LC_TIME,	MON_9, "" },
193	{ "mon_10",		1, LC_TIME,	MON_10, "" },
194	{ "mon_11",		1, LC_TIME,	MON_11, "" },
195	{ "mon_12",		1, LC_TIME,	MON_12, "" },
196	{ "abmon_1",		1, LC_TIME,	ABMON_1, "" },
197	{ "abmon_2",		1, LC_TIME,	ABMON_2, "" },
198	{ "abmon_3",		1, LC_TIME,	ABMON_3, "" },
199	{ "abmon_4",		1, LC_TIME,	ABMON_4, "" },
200	{ "abmon_5",		1, LC_TIME,	ABMON_5, "" },
201	{ "abmon_6",		1, LC_TIME,	ABMON_6, "" },
202	{ "abmon_7",		1, LC_TIME,	ABMON_7, "" },
203	{ "abmon_8",		1, LC_TIME,	ABMON_8, "" },
204	{ "abmon_9",		1, LC_TIME,	ABMON_9, "" },
205	{ "abmon_10",		1, LC_TIME,	ABMON_10, "" },
206	{ "abmon_11",		1, LC_TIME,	ABMON_11, "" },
207	{ "abmon_12",		1, LC_TIME,	ABMON_12, "" },
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
214	{ "yesexpr",		1, LC_MESSAGES, YESEXPR, "" },
215	{ "noexpr",		1, LC_MESSAGES, NOEXPR, "" },
216	{ "yesstr",		1, LC_MESSAGES, YESSTR,
217	  "(POSIX legacy)" },					/* compat */
218	{ "nostr",		1, LC_MESSAGES, NOSTR,
219	  "(POSIX legacy)" }					/* compat */
220
221};
222#define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0]))
223
224int
225main(int argc, char *argv[])
226{
227	int	ch;
228	int	tmp;
229
230	while ((ch = getopt(argc, argv, "ackm")) != -1) {
231		switch (ch) {
232		case 'a':
233			all_locales = 1;
234			break;
235		case 'c':
236			prt_categories = 1;
237			break;
238		case 'k':
239			prt_keywords = 1;
240			break;
241		case 'm':
242			all_charmaps = 1;
243			break;
244		default:
245			usage();
246		}
247	}
248	argc -= optind;
249	argv += optind;
250
251	/* validate arguments */
252	if (all_locales && all_charmaps)
253		usage();
254	if ((all_locales || all_charmaps) && argc > 0)
255		usage();
256	if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
257		usage();
258	if ((prt_categories || prt_keywords) && argc <= 0)
259		usage();
260
261	/* process '-a' */
262	if (all_locales) {
263		list_locales();
264		exit(0);
265	}
266
267	/* process '-m' */
268	if (all_charmaps) {
269		list_charmaps();
270		exit(0);
271	}
272
273	/* check for special case '-k list' */
274	tmp = 0;
275	if (prt_keywords && argc > 0)
276		while (tmp < argc)
277			if (strcasecmp(argv[tmp++], "list") == 0) {
278				showkeywordslist();
279				exit(0);
280			}
281
282	/* process '-c' and/or '-k' */
283	if (prt_categories || prt_keywords || argc > 0) {
284		setlocale(LC_ALL, "");
285		while (argc > 0) {
286			showdetails(*argv);
287			argv++;
288			argc--;
289		}
290		exit(0);
291	}
292
293	/* no arguments, show current locale state */
294	showlocale();
295
296	return (0);
297}
298
299void
300usage(void)
301{
302	printf("usage: locale [ -a | -m ]\n"
303               "       locale [ -ck ] name ...\n");
304	exit(1);
305}
306
307/*
308 * Output information about all available locales
309 *
310 * XXX actually output of this function does not guarantee that locale
311 *     is really available to application, since it can be broken or
312 *     inconsistent thus setlocale() will fail.  Maybe add '-V' function to
313 *     also validate these locales?
314 */
315void
316list_locales(void)
317{
318	size_t i;
319
320	init_locales_list();
321	for (i = 0; i < locales->sl_cur; i++) {
322		printf("%s\n", locales->sl_str[i]);
323	}
324}
325
326/*
327 * qsort() helper function
328 */
329static int
330scmp(const void *s1, const void *s2)
331{
332	return strcmp(*(const char **)s1, *(const char **)s2);
333}
334
335/*
336 * Output information about all available charmaps
337 *
338 * XXX this function is doing a task in hackish way, i.e. by scaning
339 *     list of locales, spliting their codeset part and building list of
340 *     them.
341 */
342void
343list_charmaps(void)
344{
345	size_t i;
346	char *s, *cs;
347	StringList *charmaps;
348
349	/* initialize StringList */
350	charmaps = sl_init();
351	if (charmaps == NULL)
352		err(1, "could not allocate memory");
353
354	/* fetch locales list */
355	init_locales_list();
356
357	/* split codesets and build their list */
358	for (i = 0; i < locales->sl_cur; i++) {
359		s = locales->sl_str[i];
360		if ((cs = strchr(s, '.')) != NULL) {
361			cs++;
362			if (sl_find(charmaps, cs) == NULL)
363				sl_add(charmaps, cs);
364		}
365	}
366
367	/* add US-ASCII, if not yet added */
368	if (sl_find(charmaps, "US-ASCII") == NULL)
369		sl_add(charmaps, "US-ASCII");
370
371	/* sort the list */
372	qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp);
373
374	/* print results */
375	for (i = 0; i < charmaps->sl_cur; i++) {
376		printf("%s\n", charmaps->sl_str[i]);
377	}
378}
379
380/*
381 * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE
382 * environment variable is set)
383 */
384void
385init_locales_list(void)
386{
387	DIR *dirp;
388	struct dirent *dp;
389	char *s;
390
391	/* why call this function twice ? */
392	if (locales != NULL)
393		return;
394
395	/* initialize StringList */
396	locales = sl_init();
397	if (locales == NULL)
398		err(1, "could not allocate memory");
399
400	/* get actual locales directory name */
401	setlocale(LC_CTYPE, "C");
402	if (_PathLocale == NULL)
403		errx(1, "unable to find locales storage");
404
405	/* open locales directory */
406	dirp = opendir(_PathLocale);
407	if (dirp == NULL)
408		err(1, "could not open directory '%s'", _PathLocale);
409
410	/* scan directory and store its contents except "." and ".." */
411	while ((dp = readdir(dirp)) != NULL) {
412		/* exclude "." and "..", _LOCALE_ALIAS_NAME */
413		if ((dp->d_name[0] != '.' || (dp->d_name[1] != '\0' &&
414		    (dp->d_name[1] != '.' ||  dp->d_name[2] != '\0'))) &&
415		    strcmp(_LOCALE_ALIAS_NAME, dp->d_name) != 0) {
416			s = strdup(dp->d_name);
417			if (s == NULL)
418				err(1, "could not allocate memory");
419			sl_add(locales, s);
420		}
421	}
422	closedir(dirp);
423
424        /* make sure that 'POSIX' and 'C' locales are present in the list.
425	 * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but
426         * we also list 'C' for constistency
427         */
428	if (sl_find(locales, "POSIX") == NULL)
429		sl_add(locales, "POSIX");
430
431	if (sl_find(locales, "C") == NULL)
432		sl_add(locales, "C");
433
434	init_locales_list_alias();
435
436	/* make output nicer, sort the list */
437	qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp);
438}
439
440void
441init_locales_list_alias(void)
442{
443	char aliaspath[PATH_MAX];
444	struct _lookup *hlookup;
445	struct _region key, dat;
446	size_t n;
447	char *s, *t;
448
449	_DIAGASSERT(locales != NULL);
450	_DIAGASSERT(_PathLocale != NULL);
451
452	(void)snprintf(aliaspath, sizeof(aliaspath),
453		"%s/" _LOCALE_ALIAS_NAME, _PathLocale);
454
455	if (_lookup_seq_open(&hlookup, aliaspath,
456	    _LOOKUP_CASE_SENSITIVE) == 0) {
457		while (_lookup_seq_next(hlookup, &key, &dat) == 0) {
458			n = _region_size((const struct _region *)&key);
459			s = _region_head((const struct _region *)&key);
460			for (t = s; n > 0 && *s!= '/'; --n, ++s);
461			n = (size_t)(s - t);
462			s = malloc(n + 1);
463			if (s == NULL)
464				err(1, "could not allocate memory");
465			memcpy(s, t, n);
466			s[n] = '\0';
467			if (sl_find(locales, s) == NULL)
468				sl_add(locales, s);
469			else
470				free(s);
471		}
472		_lookup_seq_close(hlookup);
473	}
474}
475
476/*
477 * Show current locale status, depending on environment variables
478 */
479void
480showlocale(void)
481{
482	size_t	i;
483	const char *lang, *vval, *eval;
484
485	setlocale(LC_ALL, "");
486
487	lang = getenv("LANG");
488	if (lang == NULL) {
489		lang = "";
490	}
491	printf("LANG=\"%s\"\n", lang);
492	/* XXX: if LANG is null, then set it to "C" to get implied values? */
493
494	for (i = 0; i < NLCINFO; i++) {
495		vval = setlocale(lcinfo[i].id, NULL);
496		eval = getenv(lcinfo[i].name);
497		if (eval != NULL && !strcmp(eval, vval)
498				&& strcmp(lang, vval)) {
499			/*
500			 * Appropriate environment variable set, its value
501			 * is valid and not overriden by LC_ALL
502			 *
503			 * XXX: possible side effect: if both LANG and
504			 * overriden environment variable are set into same
505			 * value, then it'll be assumed as 'implied'
506			 */
507			printf("%s=\"%s\"\n", lcinfo[i].name, vval);
508		} else {
509			printf("%s=\"%s\"\n", lcinfo[i].name, vval);
510		}
511	}
512
513	vval = getenv("LC_ALL");
514	if (vval == NULL) {
515		vval = "";
516	}
517	printf("LC_ALL=\"%s\"\n", vval);
518}
519
520/*
521 * keyword value lookup helper (via localeconv())
522 */
523char *
524kwval_lconv(int id)
525{
526	struct lconv *lc;
527	char *rval;
528
529	rval = NULL;
530	lc = localeconv();
531	switch (id) {
532		case KW_GROUPING:
533			rval = lc->grouping;
534			break;
535		case KW_INT_CURR_SYMBOL:
536			rval = lc->int_curr_symbol;
537			break;
538		case KW_CURRENCY_SYMBOL:
539			rval = lc->currency_symbol;
540			break;
541		case KW_MON_DECIMAL_POINT:
542			rval = lc->mon_decimal_point;
543			break;
544		case KW_MON_THOUSANDS_SEP:
545			rval = lc->mon_thousands_sep;
546			break;
547		case KW_MON_GROUPING:
548			rval = lc->mon_grouping;
549			break;
550		case KW_POSITIVE_SIGN:
551			rval = lc->positive_sign;
552			break;
553		case KW_NEGATIVE_SIGN:
554			rval = lc->negative_sign;
555			break;
556		case KW_INT_FRAC_DIGITS:
557			rval = &(lc->int_frac_digits);
558			break;
559		case KW_FRAC_DIGITS:
560			rval = &(lc->frac_digits);
561			break;
562		case KW_P_CS_PRECEDES:
563			rval = &(lc->p_cs_precedes);
564			break;
565		case KW_P_SEP_BY_SPACE:
566			rval = &(lc->p_sep_by_space);
567			break;
568		case KW_N_CS_PRECEDES:
569			rval = &(lc->n_cs_precedes);
570			break;
571		case KW_N_SEP_BY_SPACE:
572			rval = &(lc->n_sep_by_space);
573			break;
574		case KW_P_SIGN_POSN:
575			rval = &(lc->p_sign_posn);
576			break;
577		case KW_N_SIGN_POSN:
578			rval = &(lc->n_sign_posn);
579			break;
580		case KW_INT_P_CS_PRECEDES:
581			rval = &(lc->int_p_cs_precedes);
582			break;
583		case KW_INT_P_SEP_BY_SPACE:
584			rval = &(lc->int_p_sep_by_space);
585			break;
586		case KW_INT_N_CS_PRECEDES:
587			rval = &(lc->int_n_cs_precedes);
588			break;
589		case KW_INT_N_SEP_BY_SPACE:
590			rval = &(lc->int_n_sep_by_space);
591			break;
592		case KW_INT_P_SIGN_POSN:
593			rval = &(lc->int_p_sign_posn);
594			break;
595		case KW_INT_N_SIGN_POSN:
596			rval = &(lc->int_n_sign_posn);
597			break;
598		default:
599			break;
600	}
601	return (rval);
602}
603
604/*
605 * keyword value and properties lookup
606 */
607int
608kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr)
609{
610	int	rval;
611	size_t	i;
612
613	rval = 0;
614	for (i = 0; i < NKWINFO; i++) {
615		if (strcasecmp(kwname, kwinfo[i].name) == 0) {
616			rval = 1;
617			*cat = kwinfo[i].catid;
618			*isstr = kwinfo[i].isstr;
619			if (kwinfo[i].value_ref < KW_ZERO) {
620				*kwval = nl_langinfo(kwinfo[i].value_ref);
621			} else {
622				*kwval = kwval_lconv(kwinfo[i].value_ref);
623			}
624			break;
625		}
626	}
627
628	return (rval);
629}
630
631/*
632 * Show details about requested keyword according to '-k' and/or '-c'
633 * command line options specified.
634 */
635void
636showdetails(char *kw)
637{
638	int	isstr, cat, tmpval;
639	char	*kwval;
640
641	if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) {
642		/*
643		 * invalid keyword specified.
644		 * XXX: any actions?
645		 */
646		return;
647	}
648
649	if (prt_categories) {
650		printf("%s\n", lookup_localecat(cat));
651	}
652
653	if (prt_keywords) {
654		if (isstr) {
655			printf("%s=\"%s\"\n", kw, kwval);
656		} else {
657			tmpval = (char) *kwval;
658			printf("%s=%d\n", kw, tmpval);
659		}
660	}
661
662	if (!prt_categories && !prt_keywords) {
663		if (isstr) {
664			printf("%s\n", kwval);
665		} else {
666			tmpval = (char) *kwval;
667			printf("%d\n", tmpval);
668		}
669	}
670}
671
672/*
673 * Convert locale category id into string
674 */
675const char *
676lookup_localecat(int cat)
677{
678	size_t	i;
679
680	for (i = 0; i < NLCINFO; i++)
681		if (lcinfo[i].id == cat) {
682			return (lcinfo[i].name);
683		}
684	return ("UNKNOWN");
685}
686
687/*
688 * Show list of keywords
689 */
690void
691showkeywordslist(void)
692{
693	size_t	i;
694
695#define FMT "%-20s %-12s %-7s %-20s\n"
696
697	printf("List of available keywords\n\n");
698	printf(FMT, "Keyword", "Category", "Type", "Comment");
699	printf("-------------------- ------------ ------- --------------------\n");
700	for (i = 0; i < NKWINFO; i++) {
701		printf(FMT,
702			kwinfo[i].name,
703			lookup_localecat(kwinfo[i].catid),
704			(kwinfo[i].isstr == 0) ? "number" : "string",
705			kwinfo[i].comment);
706	}
707}
708