Complete rewrite of locale(1) in order to become POSIX complaint utilitty.
It's possibly not completely complaint with POSIX requirements, but very close to it now.
This commit is contained in:
Alexey Zelkin
parent
894e6fb041
commit
b296024678
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=116612
@ -1,5 +1,5 @@
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/*-
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* Copyright (c) 2002 Alexey Zelkin <phantom@FreeBSD.org>
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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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@ -26,9 +26,24 @@
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* $FreeBSD$
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*/
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/*
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* XXX: implement missing int_* (LC_MONETARY) and era_* (LC_CTYIME) keywords
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* (require libc modification)
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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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* XXX: implement '-k list' to show all available keywords. Add descriptions
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* for all of keywords (and mention FreeBSD only there)
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*
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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 <rune.h> /* for _PATH_LOCALE */
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#include <stdio.h>
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#include <stdlib.h>
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@ -38,177 +53,478 @@
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/* Local prototypes */
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void usage(void);
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void get_locales_list(void);
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void init_locales_list(void);
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void list_locales(void);
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void display_locale_status(int);
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void showdetails(char *);
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void showlocale(void);
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/* Global variables */
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static StringList *locales = NULL;
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int all_locales = 0;
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int verbose = 0;
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int env_used = 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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char *name;
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int id;
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} lcinfo [] = {
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"LANG", LC_ALL,
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"LC_ALL", LC_ALL,
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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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{ "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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struct _kwinfo {
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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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} 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 }, /* compat */
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{ "thousep", 1, LC_NUMERIC, THOUSEP}, /* compat */
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{ "currency_symbol", 1, LC_MONETARY, KW_CURRENCY_SYMBOL }, /*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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{ "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 },
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{ "era_d_fmt", 1, LC_TIME, ERA_D_FMT },
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{ "era_d_t_fmt", 1, LC_TIME, ERA_D_T_FMT },
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{ "era_t_fmt", 1, LC_TIME, ERA_T_FMT },
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{ "alt_digits", 1, LC_TIME, ALT_DIGITS },
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{ "d_md_order", 1, LC_TIME, D_MD_ORDER }, /* local */
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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 }, /* local */
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{ "nostr", 1, LC_MESSAGES, NOSTR } /* local */
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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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char ch;
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while ((ch = getopt(argc, argv, "av")) != -1)
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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 'v':
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verbose = 1;
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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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display_locale_status(verbose);
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/* process '-m' */
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if (all_charmaps) {
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/*
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* XXX: charmaps are not supported by FreeBSD now. It
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* need to be implemented as soon as localedef(1) implemented.
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*/
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exit(1);
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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("\nUsage: locale [ -a ] [ -v ]\n");
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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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int i;
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get_locales_list();
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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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void
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probe_var(char *varname, int id)
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{
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char *value, *res1, *res2;
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value = getenv(varname);
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if (value == NULL) {
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printf("%s = (null)\n", varname);
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return;
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}
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if (sl_find(locales, value) == NULL)
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res1 = "invalid";
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else
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res1 = "valid";
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if (strcmp(value, setlocale(id, value)) != 0)
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res2 = "invalid";
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else
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res2 = "valid";
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printf("%s = \"%s\"\t\t(name is %s, content is %s)\n",
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varname, value, res1, res2);
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}
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void
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display_locale_status(int verbose)
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{
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int i;
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setlocale(LC_ALL, "");
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if (verbose) {
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get_locales_list();
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if (env_used)
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printf("WARNING: PATH_LOCALE environment variable is set!");
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}
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printf("Current status of locale settings:\n\n");
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for (i = 1; i < NLCINFO; i++) { /* start with 1 to avoid 'LANG' */
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printf("%s = \"%s\"\n",
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lcinfo[i].name,
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setlocale(lcinfo[i].id, ""));
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}
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/*
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* If verbose flag is set, add environment information
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*/
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if (verbose) {
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printf("\nCurrent environment variables (and status):\n\n");
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for (i = 0; i < NLCINFO; i++)
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probe_var(lcinfo[i].name, lcinfo[i].id);
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}
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}
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static char *
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get_locale_path(void)
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{
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char *localedir;
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localedir = getenv("PATH_LOCALE");
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if (localedir == NULL)
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localedir = _PATH_LOCALE;
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else
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env_used = 1;
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return (localedir);
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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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* 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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get_locales_list()
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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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char *dirname;
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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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dirname = get_locale_path();
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/* get actual locales directory name */
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dirname = getenv("PATH_LOCALE");
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if (dirname == NULL)
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dirname = _PATH_LOCALE;
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/* open locales directory */
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dirp = opendir(dirname);
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if (dirp == NULL)
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err(1, "could not open directory '%s'", dirname);
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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;
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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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int i;
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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 || *lang == '\0') {
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lang = "";
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}
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printf("LANG=%s\n", lang);
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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)) {
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/*
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* Appropriate environment variable set, its value
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* is valid and not overriden by LC_ALL
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*
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* XXX: possible side effect: if both LANG and
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* overriden environment variable are set into same
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* value, then it'll be assumed as 'implied'
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*/
|
||||
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 == '\0') {
|
||||
vval = "";
|
||||
}
|
||||
printf("LC_ALL=%s\n", vval);
|
||||
}
|
||||
|
||||
/*
|
||||
* keyword value lookup helper (via localeconv())
|
||||
*/
|
||||
char *
|
||||
kwval_lconv(int id)
|
||||
{
|
||||
struct lconv *lc = localeconv();
|
||||
char *rval = NULL;
|
||||
|
||||
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;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return (rval);
|
||||
}
|
||||
|
||||
/*
|
||||
* keyword value and properties lookup
|
||||
*/
|
||||
int
|
||||
kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr)
|
||||
{
|
||||
int rval = 0;
|
||||
int i;
|
||||
|
||||
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)
|
||||
{
|
||||
char *kwval, *tmps;
|
||||
int isstr, cat, tmp;
|
||||
|
||||
if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) {
|
||||
/*
|
||||
* invalid keyword specified.
|
||||
* XXX: any actions?
|
||||
*/
|
||||
return;
|
||||
}
|
||||
|
||||
if (prt_categories) {
|
||||
tmps = NULL;
|
||||
for (tmp = 0; tmp < NLCINFO; tmp++) {
|
||||
if (lcinfo[tmp].id == cat)
|
||||
tmps = lcinfo[tmp].name;
|
||||
}
|
||||
if (tmps == NULL)
|
||||
tmps = "UNKNOWN";
|
||||
printf("%s\n", tmps);
|
||||
}
|
||||
|
||||
if (prt_keywords) {
|
||||
if (isstr) {
|
||||
printf("%s=\"%s\"\n", kw, kwval);
|
||||
} else {
|
||||
tmp = (char) *kwval;
|
||||
printf("%s=%d\n", kw, tmp);
|
||||
}
|
||||
}
|
||||
|
||||
if (!prt_categories && !prt_keywords) {
|
||||
if (isstr) {
|
||||
printf("%s\n", kwval);
|
||||
} else {
|
||||
tmp = (char) *kwval;
|
||||
printf("%d\n", tmp);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user