656 lines
17 KiB
C
656 lines
17 KiB
C
/* $NetBSD: locale.c,v 1.2 2003/07/04 12:33:08 agc Exp $ */
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/*-
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* Copyright (c) 2002, 2003 Alexey Zelkin <phantom@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* FreeBSD: src/usr.bin/locale/locale.c,v 1.10 2003/06/26 11:05:56 phantom Exp
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: locale.c,v 1.2 2003/07/04 12:33:08 agc Exp $");
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#endif /* LIBC_SCCS and not lint */
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/*
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* XXX: implement missing era_* (LC_TIME) keywords (require libc &
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* nl_langinfo(3) extensions)
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*
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* XXX: correctly handle reserved 'charmap' keyword and '-m' option (require
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* localedef(1) implementation). Currently it's handled via
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* nl_langinfo(CODESET).
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*/
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#include <sys/types.h>
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#include <dirent.h>
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#include <err.h>
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#include <locale.h>
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#include <langinfo.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stringlist.h>
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#include <unistd.h>
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/* Local prototypes */
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void init_locales_list(void);
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void list_charmaps(void);
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void list_locales(void);
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const char *lookup_localecat(int);
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char *kwval_lconv(int);
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int kwval_lookup(char *, char **, int *, int *);
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void showdetails(char *);
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void showkeywordslist(void);
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void showlocale(void);
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void usage(void);
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/* Global variables */
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static StringList *locales = NULL;
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extern char *_PathLocale;
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int all_locales = 0;
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int all_charmaps = 0;
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int prt_categories = 0;
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int prt_keywords = 0;
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int more_params = 0;
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struct _lcinfo {
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const char *name;
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int id;
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} lcinfo [] = {
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{ "LC_CTYPE", LC_CTYPE },
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{ "LC_COLLATE", LC_COLLATE },
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{ "LC_TIME", LC_TIME },
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{ "LC_NUMERIC", LC_NUMERIC },
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{ "LC_MONETARY", LC_MONETARY },
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{ "LC_MESSAGES", LC_MESSAGES }
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};
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#define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0]))
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/* ids for values not referenced by nl_langinfo() */
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#define KW_ZERO 10000
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#define KW_GROUPING (KW_ZERO+1)
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#define KW_INT_CURR_SYMBOL (KW_ZERO+2)
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#define KW_CURRENCY_SYMBOL (KW_ZERO+3)
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#define KW_MON_DECIMAL_POINT (KW_ZERO+4)
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#define KW_MON_THOUSANDS_SEP (KW_ZERO+5)
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#define KW_MON_GROUPING (KW_ZERO+6)
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#define KW_POSITIVE_SIGN (KW_ZERO+7)
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#define KW_NEGATIVE_SIGN (KW_ZERO+8)
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#define KW_INT_FRAC_DIGITS (KW_ZERO+9)
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#define KW_FRAC_DIGITS (KW_ZERO+10)
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#define KW_P_CS_PRECEDES (KW_ZERO+11)
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#define KW_P_SEP_BY_SPACE (KW_ZERO+12)
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#define KW_N_CS_PRECEDES (KW_ZERO+13)
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#define KW_N_SEP_BY_SPACE (KW_ZERO+14)
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#define KW_P_SIGN_POSN (KW_ZERO+15)
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#define KW_N_SIGN_POSN (KW_ZERO+16)
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#define KW_INT_P_CS_PRECEDES (KW_ZERO+17)
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#define KW_INT_P_SEP_BY_SPACE (KW_ZERO+18)
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#define KW_INT_N_CS_PRECEDES (KW_ZERO+19)
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#define KW_INT_N_SEP_BY_SPACE (KW_ZERO+20)
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#define KW_INT_P_SIGN_POSN (KW_ZERO+21)
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#define KW_INT_N_SIGN_POSN (KW_ZERO+22)
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struct _kwinfo {
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const char *name;
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int isstr; /* true - string, false - number */
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int catid; /* LC_* */
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int value_ref;
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const char *comment;
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} kwinfo [] = {
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{ "charmap", 1, LC_CTYPE, CODESET, "" }, /* hack */
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{ "decimal_point", 1, LC_NUMERIC, RADIXCHAR, "" },
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{ "thousands_sep", 1, LC_NUMERIC, THOUSEP, "" },
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{ "grouping", 1, LC_NUMERIC, KW_GROUPING, "" },
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{ "radixchar", 1, LC_NUMERIC, RADIXCHAR,
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"Same as decimal_point (BSD only)" }, /* compat */
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{ "thousep", 1, LC_NUMERIC, THOUSEP,
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"Same as thousands_sep (BSD only)" }, /* compat */
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{ "int_curr_symbol", 1, LC_MONETARY, KW_INT_CURR_SYMBOL, "" },
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{ "currency_symbol", 1, LC_MONETARY, KW_CURRENCY_SYMBOL, "" },
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{ "mon_decimal_point", 1, LC_MONETARY, KW_MON_DECIMAL_POINT, "" },
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{ "mon_thousands_sep", 1, LC_MONETARY, KW_MON_THOUSANDS_SEP, "" },
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{ "mon_grouping", 1, LC_MONETARY, KW_MON_GROUPING, "" },
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{ "positive_sign", 1, LC_MONETARY, KW_POSITIVE_SIGN, "" },
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{ "negative_sign", 1, LC_MONETARY, KW_NEGATIVE_SIGN, "" },
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{ "int_frac_digits", 0, LC_MONETARY, KW_INT_FRAC_DIGITS, "" },
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{ "frac_digits", 0, LC_MONETARY, KW_FRAC_DIGITS, "" },
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{ "p_cs_precedes", 0, LC_MONETARY, KW_P_CS_PRECEDES, "" },
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{ "p_sep_by_space", 0, LC_MONETARY, KW_P_SEP_BY_SPACE, "" },
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{ "n_cs_precedes", 0, LC_MONETARY, KW_N_CS_PRECEDES, "" },
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{ "n_sep_by_space", 0, LC_MONETARY, KW_N_SEP_BY_SPACE, "" },
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{ "p_sign_posn", 0, LC_MONETARY, KW_P_SIGN_POSN, "" },
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{ "n_sign_posn", 0, LC_MONETARY, KW_N_SIGN_POSN, "" },
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{ "int_p_cs_precedes", 0, LC_MONETARY, KW_INT_P_CS_PRECEDES, "" },
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{ "int_p_sep_by_space", 0, LC_MONETARY, KW_INT_P_SEP_BY_SPACE, "" },
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{ "int_n_cs_precedes", 0, LC_MONETARY, KW_INT_N_CS_PRECEDES, "" },
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{ "int_n_sep_by_space", 0, LC_MONETARY, KW_INT_N_SEP_BY_SPACE, "" },
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{ "int_p_sign_posn", 0, LC_MONETARY, KW_INT_P_SIGN_POSN, "" },
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{ "int_n_sign_posn", 0, LC_MONETARY, KW_INT_N_SIGN_POSN, "" },
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{ "d_t_fmt", 1, LC_TIME, D_T_FMT, "" },
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{ "d_fmt", 1, LC_TIME, D_FMT, "" },
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{ "t_fmt", 1, LC_TIME, T_FMT, "" },
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{ "am_str", 1, LC_TIME, AM_STR, "" },
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{ "pm_str", 1, LC_TIME, PM_STR, "" },
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{ "t_fmt_ampm", 1, LC_TIME, T_FMT_AMPM, "" },
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{ "day_1", 1, LC_TIME, DAY_1, "" },
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{ "day_2", 1, LC_TIME, DAY_2, "" },
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{ "day_3", 1, LC_TIME, DAY_3, "" },
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{ "day_4", 1, LC_TIME, DAY_4, "" },
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{ "day_5", 1, LC_TIME, DAY_5, "" },
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{ "day_6", 1, LC_TIME, DAY_6, "" },
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{ "day_7", 1, LC_TIME, DAY_7, "" },
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{ "abday_1", 1, LC_TIME, ABDAY_1, "" },
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{ "abday_2", 1, LC_TIME, ABDAY_2, "" },
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{ "abday_3", 1, LC_TIME, ABDAY_3, "" },
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{ "abday_4", 1, LC_TIME, ABDAY_4, "" },
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{ "abday_5", 1, LC_TIME, ABDAY_5, "" },
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{ "abday_6", 1, LC_TIME, ABDAY_6, "" },
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{ "abday_7", 1, LC_TIME, ABDAY_7, "" },
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{ "mon_1", 1, LC_TIME, MON_1, "" },
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{ "mon_2", 1, LC_TIME, MON_2, "" },
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{ "mon_3", 1, LC_TIME, MON_3, "" },
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{ "mon_4", 1, LC_TIME, MON_4, "" },
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{ "mon_5", 1, LC_TIME, MON_5, "" },
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{ "mon_6", 1, LC_TIME, MON_6, "" },
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{ "mon_7", 1, LC_TIME, MON_7, "" },
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{ "mon_8", 1, LC_TIME, MON_8, "" },
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{ "mon_9", 1, LC_TIME, MON_9, "" },
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{ "mon_10", 1, LC_TIME, MON_10, "" },
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{ "mon_11", 1, LC_TIME, MON_11, "" },
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{ "mon_12", 1, LC_TIME, MON_12, "" },
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{ "abmon_1", 1, LC_TIME, ABMON_1, "" },
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{ "abmon_2", 1, LC_TIME, ABMON_2, "" },
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{ "abmon_3", 1, LC_TIME, ABMON_3, "" },
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{ "abmon_4", 1, LC_TIME, ABMON_4, "" },
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{ "abmon_5", 1, LC_TIME, ABMON_5, "" },
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{ "abmon_6", 1, LC_TIME, ABMON_6, "" },
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{ "abmon_7", 1, LC_TIME, ABMON_7, "" },
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{ "abmon_8", 1, LC_TIME, ABMON_8, "" },
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{ "abmon_9", 1, LC_TIME, ABMON_9, "" },
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{ "abmon_10", 1, LC_TIME, ABMON_10, "" },
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{ "abmon_11", 1, LC_TIME, ABMON_11, "" },
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{ "abmon_12", 1, LC_TIME, ABMON_12, "" },
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{ "era", 1, LC_TIME, ERA, "(unavailable)" },
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{ "era_d_fmt", 1, LC_TIME, ERA_D_FMT, "(unavailable)" },
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{ "era_d_t_fmt", 1, LC_TIME, ERA_D_T_FMT, "(unavailable)" },
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{ "era_t_fmt", 1, LC_TIME, ERA_T_FMT, "(unavailable)" },
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{ "alt_digits", 1, LC_TIME, ALT_DIGITS, "" },
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{ "yesexpr", 1, LC_MESSAGES, YESEXPR, "" },
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{ "noexpr", 1, LC_MESSAGES, NOEXPR, "" },
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{ "yesstr", 1, LC_MESSAGES, YESSTR,
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"(POSIX legacy)" }, /* compat */
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{ "nostr", 1, LC_MESSAGES, NOSTR,
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"(POSIX legacy)" } /* compat */
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};
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#define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0]))
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int
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main(int argc, char *argv[])
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{
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int ch;
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int tmp;
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while ((ch = getopt(argc, argv, "ackm")) != -1) {
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switch (ch) {
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case 'a':
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all_locales = 1;
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break;
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case 'c':
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prt_categories = 1;
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break;
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case 'k':
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prt_keywords = 1;
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break;
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case 'm':
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all_charmaps = 1;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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/* validate arguments */
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if (all_locales && all_charmaps)
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usage();
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if ((all_locales || all_charmaps) && argc > 0)
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usage();
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if ((all_locales || all_charmaps) && (prt_categories || prt_keywords))
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usage();
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if ((prt_categories || prt_keywords) && argc <= 0)
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usage();
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/* process '-a' */
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if (all_locales) {
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list_locales();
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exit(0);
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}
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/* process '-m' */
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if (all_charmaps) {
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list_charmaps();
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exit(0);
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}
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/* check for special case '-k list' */
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tmp = 0;
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if (prt_keywords && argc > 0)
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while (tmp < argc)
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if (strcasecmp(argv[tmp++], "list") == 0) {
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showkeywordslist();
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exit(0);
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}
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/* process '-c' and/or '-k' */
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if (prt_categories || prt_keywords || argc > 0) {
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setlocale(LC_ALL, "");
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while (argc > 0) {
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showdetails(*argv);
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argv++;
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argc--;
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}
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exit(0);
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}
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/* no arguments, show current locale state */
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showlocale();
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return (0);
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}
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void
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usage(void)
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{
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printf("Usage: locale [ -a | -m ]\n"
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" locale [ -ck ] name ...\n");
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exit(1);
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}
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/*
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* Output information about all available locales
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*
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* XXX actually output of this function does not guarantee that locale
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* is really available to application, since it can be broken or
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* inconsistent thus setlocale() will fail. Maybe add '-V' function to
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* also validate these locales?
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*/
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void
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list_locales(void)
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{
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size_t i;
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init_locales_list();
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for (i = 0; i < locales->sl_cur; i++) {
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printf("%s\n", locales->sl_str[i]);
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}
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}
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/*
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* qsort() helper function
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*/
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static int
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scmp(const void *s1, const void *s2)
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{
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return strcmp(*(const char **)s1, *(const char **)s2);
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}
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/*
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* Output information about all available charmaps
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*
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* XXX this function is doing a task in hackish way, i.e. by scaning
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* list of locales, spliting their codeset part and building list of
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* them.
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*/
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void
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list_charmaps(void)
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{
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size_t i;
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char *s, *cs;
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StringList *charmaps;
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/* initialize StringList */
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charmaps = sl_init();
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if (charmaps == NULL)
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err(1, "could not allocate memory");
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/* fetch locales list */
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init_locales_list();
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/* split codesets and build their list */
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for (i = 0; i < locales->sl_cur; i++) {
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s = locales->sl_str[i];
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if ((cs = strchr(s, '.')) != NULL) {
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cs++;
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if (sl_find(charmaps, cs) == NULL)
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sl_add(charmaps, cs);
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}
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}
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/* add US-ASCII, if not yet added */
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if (sl_find(charmaps, "US-ASCII") == NULL)
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sl_add(charmaps, "US-ASCII");
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/* sort the list */
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qsort(charmaps->sl_str, charmaps->sl_cur, sizeof(char *), scmp);
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/* print results */
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for (i = 0; i < charmaps->sl_cur; i++) {
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printf("%s\n", charmaps->sl_str[i]);
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}
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}
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/*
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* Retrieve sorted list of system locales (or user locales, if PATH_LOCALE
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* environment variable is set)
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*/
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void
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init_locales_list(void)
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{
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DIR *dirp;
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struct dirent *dp;
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/* why call this function twice ? */
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if (locales != NULL)
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return;
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/* initialize StringList */
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locales = sl_init();
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if (locales == NULL)
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err(1, "could not allocate memory");
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/* get actual locales directory name */
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setlocale(LC_CTYPE, "C");
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if (_PathLocale == NULL)
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errx(1, "unable to find locales storage");
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/* open locales directory */
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dirp = opendir(_PathLocale);
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if (dirp == NULL)
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err(1, "could not open directory '%s'", _PathLocale);
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/* scan directory and store its contents except "." and ".." */
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while ((dp = readdir(dirp)) != NULL) {
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if (*(dp->d_name) == '.')
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continue; /* exclude "." and ".." */
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sl_add(locales, strdup(dp->d_name));
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}
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closedir(dirp);
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/* make sure that 'POSIX' and 'C' locales are present in the list.
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* POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but
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* we also list 'C' for constistency
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*/
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if (sl_find(locales, "POSIX") == NULL)
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sl_add(locales, "POSIX");
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if (sl_find(locales, "C") == NULL)
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sl_add(locales, "C");
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/* make output nicer, sort the list */
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qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp);
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}
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/*
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* Show current locale status, depending on environment variables
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*/
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void
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showlocale(void)
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{
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size_t i;
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const char *lang, *vval, *eval;
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setlocale(LC_ALL, "");
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lang = getenv("LANG");
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if (lang == NULL) {
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lang = "";
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}
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printf("LANG=%s\n", lang);
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/* XXX: if LANG is null, then set it to "C" to get implied values? */
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for (i = 0; i < NLCINFO; i++) {
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vval = setlocale(lcinfo[i].id, NULL);
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eval = getenv(lcinfo[i].name);
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if (eval != NULL && !strcmp(eval, vval)
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|
&& 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);
|
|
}
|
|
}
|