/* $NetBSD: locale.c,v 1.8 2012/01/20 16:31:30 joerg Exp $ */ /*- * Copyright (c) 2002, 2003 Alexey Zelkin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * FreeBSD: src/usr.bin/locale/locale.c,v 1.10 2003/06/26 11:05:56 phantom Exp */ #include #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: locale.c,v 1.8 2012/01/20 16:31:30 joerg Exp $"); #endif /* LIBC_SCCS and not lint */ /* * XXX: implement missing era_* (LC_TIME) keywords (require libc & * nl_langinfo(3) extensions) * * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require * localedef(1) implementation). Currently it's handled via * nl_langinfo(CODESET). */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "citrus_namespace.h" #include "citrus_region.h" #include "citrus_lookup.h" #include "setlocale_local.h" /* Local prototypes */ void init_locales_list(void); void init_locales_list_alias(void); void list_charmaps(void); void list_locales(void); const char *lookup_localecat(int); char *kwval_lconv(int); int kwval_lookup(char *, char **, int *, int *); void showdetails(char *); void showkeywordslist(void); void showlocale(void); void usage(void); /* Global variables */ static StringList *locales = NULL; int all_locales = 0; int all_charmaps = 0; int prt_categories = 0; int prt_keywords = 0; int more_params = 0; struct _lcinfo { const char *name; int id; } lcinfo [] = { { "LC_CTYPE", LC_CTYPE }, { "LC_COLLATE", LC_COLLATE }, { "LC_TIME", LC_TIME }, { "LC_NUMERIC", LC_NUMERIC }, { "LC_MONETARY", LC_MONETARY }, { "LC_MESSAGES", LC_MESSAGES } }; #define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0])) /* ids for values not referenced by nl_langinfo() */ #define KW_ZERO 10000 #define KW_GROUPING (KW_ZERO+1) #define KW_INT_CURR_SYMBOL (KW_ZERO+2) #define KW_CURRENCY_SYMBOL (KW_ZERO+3) #define KW_MON_DECIMAL_POINT (KW_ZERO+4) #define KW_MON_THOUSANDS_SEP (KW_ZERO+5) #define KW_MON_GROUPING (KW_ZERO+6) #define KW_POSITIVE_SIGN (KW_ZERO+7) #define KW_NEGATIVE_SIGN (KW_ZERO+8) #define KW_INT_FRAC_DIGITS (KW_ZERO+9) #define KW_FRAC_DIGITS (KW_ZERO+10) #define KW_P_CS_PRECEDES (KW_ZERO+11) #define KW_P_SEP_BY_SPACE (KW_ZERO+12) #define KW_N_CS_PRECEDES (KW_ZERO+13) #define KW_N_SEP_BY_SPACE (KW_ZERO+14) #define KW_P_SIGN_POSN (KW_ZERO+15) #define KW_N_SIGN_POSN (KW_ZERO+16) #define KW_INT_P_CS_PRECEDES (KW_ZERO+17) #define KW_INT_P_SEP_BY_SPACE (KW_ZERO+18) #define KW_INT_N_CS_PRECEDES (KW_ZERO+19) #define KW_INT_N_SEP_BY_SPACE (KW_ZERO+20) #define KW_INT_P_SIGN_POSN (KW_ZERO+21) #define KW_INT_N_SIGN_POSN (KW_ZERO+22) struct _kwinfo { const char *name; int isstr; /* true - string, false - number */ int catid; /* LC_* */ int value_ref; const char *comment; } kwinfo [] = { { "charmap", 1, LC_CTYPE, CODESET, "" }, /* hack */ { "decimal_point", 1, LC_NUMERIC, RADIXCHAR, "" }, { "thousands_sep", 1, LC_NUMERIC, THOUSEP, "" }, { "grouping", 1, LC_NUMERIC, KW_GROUPING, "" }, { "radixchar", 1, LC_NUMERIC, RADIXCHAR, "Same as decimal_point (BSD only)" }, /* compat */ { "thousep", 1, LC_NUMERIC, THOUSEP, "Same as thousands_sep (BSD only)" }, /* compat */ { "int_curr_symbol", 1, LC_MONETARY, KW_INT_CURR_SYMBOL, "" }, { "currency_symbol", 1, LC_MONETARY, KW_CURRENCY_SYMBOL, "" }, { "mon_decimal_point", 1, LC_MONETARY, KW_MON_DECIMAL_POINT, "" }, { "mon_thousands_sep", 1, LC_MONETARY, KW_MON_THOUSANDS_SEP, "" }, { "mon_grouping", 1, LC_MONETARY, KW_MON_GROUPING, "" }, { "positive_sign", 1, LC_MONETARY, KW_POSITIVE_SIGN, "" }, { "negative_sign", 1, LC_MONETARY, KW_NEGATIVE_SIGN, "" }, { "int_frac_digits", 0, LC_MONETARY, KW_INT_FRAC_DIGITS, "" }, { "frac_digits", 0, LC_MONETARY, KW_FRAC_DIGITS, "" }, { "p_cs_precedes", 0, LC_MONETARY, KW_P_CS_PRECEDES, "" }, { "p_sep_by_space", 0, LC_MONETARY, KW_P_SEP_BY_SPACE, "" }, { "n_cs_precedes", 0, LC_MONETARY, KW_N_CS_PRECEDES, "" }, { "n_sep_by_space", 0, LC_MONETARY, KW_N_SEP_BY_SPACE, "" }, { "p_sign_posn", 0, LC_MONETARY, KW_P_SIGN_POSN, "" }, { "n_sign_posn", 0, LC_MONETARY, KW_N_SIGN_POSN, "" }, { "int_p_cs_precedes", 0, LC_MONETARY, KW_INT_P_CS_PRECEDES, "" }, { "int_p_sep_by_space", 0, LC_MONETARY, KW_INT_P_SEP_BY_SPACE, "" }, { "int_n_cs_precedes", 0, LC_MONETARY, KW_INT_N_CS_PRECEDES, "" }, { "int_n_sep_by_space", 0, LC_MONETARY, KW_INT_N_SEP_BY_SPACE, "" }, { "int_p_sign_posn", 0, LC_MONETARY, KW_INT_P_SIGN_POSN, "" }, { "int_n_sign_posn", 0, LC_MONETARY, KW_INT_N_SIGN_POSN, "" }, { "d_t_fmt", 1, LC_TIME, D_T_FMT, "" }, { "d_fmt", 1, LC_TIME, D_FMT, "" }, { "t_fmt", 1, LC_TIME, T_FMT, "" }, { "am_str", 1, LC_TIME, AM_STR, "" }, { "pm_str", 1, LC_TIME, PM_STR, "" }, { "t_fmt_ampm", 1, LC_TIME, T_FMT_AMPM, "" }, { "day_1", 1, LC_TIME, DAY_1, "" }, { "day_2", 1, LC_TIME, DAY_2, "" }, { "day_3", 1, LC_TIME, DAY_3, "" }, { "day_4", 1, LC_TIME, DAY_4, "" }, { "day_5", 1, LC_TIME, DAY_5, "" }, { "day_6", 1, LC_TIME, DAY_6, "" }, { "day_7", 1, LC_TIME, DAY_7, "" }, { "abday_1", 1, LC_TIME, ABDAY_1, "" }, { "abday_2", 1, LC_TIME, ABDAY_2, "" }, { "abday_3", 1, LC_TIME, ABDAY_3, "" }, { "abday_4", 1, LC_TIME, ABDAY_4, "" }, { "abday_5", 1, LC_TIME, ABDAY_5, "" }, { "abday_6", 1, LC_TIME, ABDAY_6, "" }, { "abday_7", 1, LC_TIME, ABDAY_7, "" }, { "mon_1", 1, LC_TIME, MON_1, "" }, { "mon_2", 1, LC_TIME, MON_2, "" }, { "mon_3", 1, LC_TIME, MON_3, "" }, { "mon_4", 1, LC_TIME, MON_4, "" }, { "mon_5", 1, LC_TIME, MON_5, "" }, { "mon_6", 1, LC_TIME, MON_6, "" }, { "mon_7", 1, LC_TIME, MON_7, "" }, { "mon_8", 1, LC_TIME, MON_8, "" }, { "mon_9", 1, LC_TIME, MON_9, "" }, { "mon_10", 1, LC_TIME, MON_10, "" }, { "mon_11", 1, LC_TIME, MON_11, "" }, { "mon_12", 1, LC_TIME, MON_12, "" }, { "abmon_1", 1, LC_TIME, ABMON_1, "" }, { "abmon_2", 1, LC_TIME, ABMON_2, "" }, { "abmon_3", 1, LC_TIME, ABMON_3, "" }, { "abmon_4", 1, LC_TIME, ABMON_4, "" }, { "abmon_5", 1, LC_TIME, ABMON_5, "" }, { "abmon_6", 1, LC_TIME, ABMON_6, "" }, { "abmon_7", 1, LC_TIME, ABMON_7, "" }, { "abmon_8", 1, LC_TIME, ABMON_8, "" }, { "abmon_9", 1, LC_TIME, ABMON_9, "" }, { "abmon_10", 1, LC_TIME, ABMON_10, "" }, { "abmon_11", 1, LC_TIME, ABMON_11, "" }, { "abmon_12", 1, LC_TIME, ABMON_12, "" }, { "era", 1, LC_TIME, ERA, "(unavailable)" }, { "era_d_fmt", 1, LC_TIME, ERA_D_FMT, "(unavailable)" }, { "era_d_t_fmt", 1, LC_TIME, ERA_D_T_FMT, "(unavailable)" }, { "era_t_fmt", 1, LC_TIME, ERA_T_FMT, "(unavailable)" }, { "alt_digits", 1, LC_TIME, ALT_DIGITS, "" }, { "yesexpr", 1, LC_MESSAGES, YESEXPR, "" }, { "noexpr", 1, LC_MESSAGES, NOEXPR, "" }, { "yesstr", 1, LC_MESSAGES, YESSTR, "(POSIX legacy)" }, /* compat */ { "nostr", 1, LC_MESSAGES, NOSTR, "(POSIX legacy)" } /* compat */ }; #define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0])) int main(int argc, char *argv[]) { int ch; int tmp; while ((ch = getopt(argc, argv, "ackm")) != -1) { switch (ch) { case 'a': all_locales = 1; break; case 'c': prt_categories = 1; break; case 'k': prt_keywords = 1; break; case 'm': all_charmaps = 1; break; default: usage(); } } argc -= optind; argv += optind; /* validate arguments */ if (all_locales && all_charmaps) usage(); if ((all_locales || all_charmaps) && argc > 0) usage(); if ((all_locales || all_charmaps) && (prt_categories || prt_keywords)) usage(); if ((prt_categories || prt_keywords) && argc <= 0) usage(); /* process '-a' */ if (all_locales) { list_locales(); exit(0); } /* process '-m' */ if (all_charmaps) { list_charmaps(); exit(0); } /* check for special case '-k list' */ tmp = 0; if (prt_keywords && argc > 0) while (tmp < argc) if (strcasecmp(argv[tmp++], "list") == 0) { showkeywordslist(); exit(0); } /* process '-c' and/or '-k' */ if (prt_categories || prt_keywords || argc > 0) { setlocale(LC_ALL, ""); while (argc > 0) { showdetails(*argv); argv++; argc--; } exit(0); } /* no arguments, show current locale state */ showlocale(); return (0); } void usage(void) { printf("usage: locale [ -a | -m ]\n" " locale [ -ck ] name ...\n"); exit(1); } /* * Output information about all available locales * * XXX actually output of this function does not guarantee that locale * is really available to application, since it can be broken or * inconsistent thus setlocale() will fail. Maybe add '-V' function to * also validate these locales? */ void list_locales(void) { size_t i; init_locales_list(); for (i = 0; i < locales->sl_cur; i++) { printf("%s\n", locales->sl_str[i]); } } /* * qsort() helper function */ static int scmp(const void *s1, const void *s2) { return strcmp(*(const char **)s1, *(const char **)s2); } /* * Output information about all available charmaps * * XXX this function is doing a task in hackish way, i.e. by scaning * list of locales, spliting their codeset part and building list of * them. */ void list_charmaps(void) { size_t i; char *s, *cs; StringList *charmaps; /* initialize StringList */ charmaps = sl_init(); if (charmaps == NULL) err(1, "could not allocate memory"); /* fetch locales list */ init_locales_list(); /* split codesets and build their list */ for (i = 0; i < locales->sl_cur; i++) { s = locales->sl_str[i]; if ((cs = strchr(s, '.')) != NULL) { cs++; if (sl_find(charmaps, cs) == NULL) sl_add(charmaps, cs); } } /* add US-ASCII, if not yet added */ if (sl_find(charmaps, "US-ASCII") == NULL) sl_add(charmaps, "US-ASCII"); /* sort the list */ qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp); /* print results */ for (i = 0; i < charmaps->sl_cur; i++) { printf("%s\n", charmaps->sl_str[i]); } } /* * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE * environment variable is set) */ void init_locales_list(void) { DIR *dirp; struct dirent *dp; char *s; /* why call this function twice ? */ if (locales != NULL) return; /* initialize StringList */ locales = sl_init(); if (locales == NULL) err(1, "could not allocate memory"); /* get actual locales directory name */ setlocale(LC_CTYPE, "C"); if (_PathLocale == NULL) errx(1, "unable to find locales storage"); /* open locales directory */ dirp = opendir(_PathLocale); if (dirp == NULL) err(1, "could not open directory '%s'", _PathLocale); /* scan directory and store its contents except "." and ".." */ while ((dp = readdir(dirp)) != NULL) { /* exclude "." and "..", _LOCALE_ALIAS_NAME */ if ((dp->d_name[0] != '.' || (dp->d_name[1] != '\0' && (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) && strcmp(_LOCALE_ALIAS_NAME, dp->d_name) != 0) { s = strdup(dp->d_name); if (s == NULL) err(1, "could not allocate memory"); sl_add(locales, s); } } closedir(dirp); /* make sure that 'POSIX' and 'C' locales are present in the list. * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but * we also list 'C' for constistency */ if (sl_find(locales, "POSIX") == NULL) sl_add(locales, "POSIX"); if (sl_find(locales, "C") == NULL) sl_add(locales, "C"); init_locales_list_alias(); /* make output nicer, sort the list */ qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp); } void init_locales_list_alias(void) { char aliaspath[PATH_MAX]; struct _lookup *hlookup; struct _region key, dat; size_t n; char *s, *t; _DIAGASSERT(locales != NULL); _DIAGASSERT(_PathLocale != NULL); (void)snprintf(aliaspath, sizeof(aliaspath), "%s/" _LOCALE_ALIAS_NAME, _PathLocale); if (_lookup_seq_open(&hlookup, aliaspath, _LOOKUP_CASE_SENSITIVE) == 0) { while (_lookup_seq_next(hlookup, &key, &dat) == 0) { n = _region_size((const struct _region *)&key); s = _region_head((const struct _region *)&key); for (t = s; n > 0 && *s!= '/'; --n, ++s); n = (size_t)(s - t); s = malloc(n + 1); if (s == NULL) err(1, "could not allocate memory"); memcpy(s, t, n); s[n] = '\0'; if (sl_find(locales, s) == NULL) sl_add(locales, s); else free(s); } _lookup_seq_close(hlookup); } } /* * Show current locale status, depending on environment variables */ void showlocale(void) { size_t i; const char *lang, *vval, *eval; setlocale(LC_ALL, ""); lang = getenv("LANG"); if (lang == NULL) { lang = ""; } printf("LANG=\"%s\"\n", lang); /* XXX: if LANG is null, then set it to "C" to get implied values? */ for (i = 0; i < NLCINFO; i++) { vval = setlocale(lcinfo[i].id, NULL); eval = getenv(lcinfo[i].name); if (eval != NULL && !strcmp(eval, vval) && strcmp(lang, vval)) { /* * Appropriate environment variable set, its value * is valid and not overriden by LC_ALL * * XXX: possible side effect: if both LANG and * overriden environment variable are set into same * value, then it'll be assumed as 'implied' */ printf("%s=\"%s\"\n", lcinfo[i].name, vval); } else { printf("%s=\"%s\"\n", lcinfo[i].name, vval); } } vval = getenv("LC_ALL"); if (vval == NULL) { vval = ""; } printf("LC_ALL=\"%s\"\n", vval); } /* * keyword value lookup helper (via localeconv()) */ char * kwval_lconv(int id) { struct lconv *lc; char *rval; rval = NULL; lc = localeconv(); switch (id) { case KW_GROUPING: rval = lc->grouping; break; case KW_INT_CURR_SYMBOL: rval = lc->int_curr_symbol; break; case KW_CURRENCY_SYMBOL: rval = lc->currency_symbol; break; case KW_MON_DECIMAL_POINT: rval = lc->mon_decimal_point; break; case KW_MON_THOUSANDS_SEP: rval = lc->mon_thousands_sep; break; case KW_MON_GROUPING: rval = lc->mon_grouping; break; case KW_POSITIVE_SIGN: rval = lc->positive_sign; break; case KW_NEGATIVE_SIGN: rval = lc->negative_sign; break; case KW_INT_FRAC_DIGITS: rval = &(lc->int_frac_digits); break; case KW_FRAC_DIGITS: rval = &(lc->frac_digits); break; case KW_P_CS_PRECEDES: rval = &(lc->p_cs_precedes); break; case KW_P_SEP_BY_SPACE: rval = &(lc->p_sep_by_space); break; case KW_N_CS_PRECEDES: rval = &(lc->n_cs_precedes); break; case KW_N_SEP_BY_SPACE: rval = &(lc->n_sep_by_space); break; case KW_P_SIGN_POSN: rval = &(lc->p_sign_posn); break; case KW_N_SIGN_POSN: rval = &(lc->n_sign_posn); break; case KW_INT_P_CS_PRECEDES: rval = &(lc->int_p_cs_precedes); break; case KW_INT_P_SEP_BY_SPACE: rval = &(lc->int_p_sep_by_space); break; case KW_INT_N_CS_PRECEDES: rval = &(lc->int_n_cs_precedes); break; case KW_INT_N_SEP_BY_SPACE: rval = &(lc->int_n_sep_by_space); break; case KW_INT_P_SIGN_POSN: rval = &(lc->int_p_sign_posn); break; case KW_INT_N_SIGN_POSN: rval = &(lc->int_n_sign_posn); break; default: break; } return (rval); } /* * keyword value and properties lookup */ int kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr) { int rval; size_t i; rval = 0; for (i = 0; i < NKWINFO; i++) { if (strcasecmp(kwname, kwinfo[i].name) == 0) { rval = 1; *cat = kwinfo[i].catid; *isstr = kwinfo[i].isstr; if (kwinfo[i].value_ref < KW_ZERO) { *kwval = nl_langinfo(kwinfo[i].value_ref); } else { *kwval = kwval_lconv(kwinfo[i].value_ref); } break; } } return (rval); } /* * Show details about requested keyword according to '-k' and/or '-c' * command line options specified. */ void showdetails(char *kw) { int isstr, cat, tmpval; char *kwval; if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) { /* * invalid keyword specified. * XXX: any actions? */ return; } if (prt_categories) { printf("%s\n", lookup_localecat(cat)); } if (prt_keywords) { if (isstr) { printf("%s=\"%s\"\n", kw, kwval); } else { tmpval = (char) *kwval; printf("%s=%d\n", kw, tmpval); } } if (!prt_categories && !prt_keywords) { if (isstr) { printf("%s\n", kwval); } else { tmpval = (char) *kwval; printf("%d\n", tmpval); } } } /* * Convert locale category id into string */ const char * lookup_localecat(int cat) { size_t i; for (i = 0; i < NLCINFO; i++) if (lcinfo[i].id == cat) { return (lcinfo[i].name); } return ("UNKNOWN"); } /* * Show list of keywords */ void showkeywordslist(void) { size_t i; #define FMT "%-20s %-12s %-7s %-20s\n" printf("List of available keywords\n\n"); printf(FMT, "Keyword", "Category", "Type", "Comment"); printf("-------------------- ------------ ------- --------------------\n"); for (i = 0; i < NKWINFO; i++) { printf(FMT, kwinfo[i].name, lookup_localecat(kwinfo[i].catid), (kwinfo[i].isstr == 0) ? "number" : "string", kwinfo[i].comment); } }