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newlib-cygwin/newlib/libc/locale/nl_langinfo.c

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/*-
* Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
* 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.
*/
#define _GNU_SOURCE
#include <sys/cdefs.h>
#include <locale.h>
#include <langinfo.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "setlocale.h"
#undef offsetoff
#define _O(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
#define _NLITEM(cat,memb) { { cat:__get_##cat##_locale }, \
_O (struct lc_##cat##_T, memb) }
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
static struct _nl_item_t
{
union {
const struct lc_ctype_T * (*ctype)(struct __locale_t *);
const struct lc_time_T * (*time)(struct __locale_t *);
const struct lc_numeric_T * (*numeric)(struct __locale_t *);
const struct lc_monetary_T * (*monetary)(struct __locale_t *);
const struct lc_messages_T * (*messages)(struct __locale_t *);
void * (*base)(struct __locale_t *);
};
_off_t offset;
} nl_ext[] =
{
/* First element has an nl_item value of _NL_LOCALE_EXTENDED_FIRST_ENTRY */
_NLITEM (ctype, outdigits[0]),
_NLITEM (ctype, outdigits[1]),
_NLITEM (ctype, outdigits[2]),
_NLITEM (ctype, outdigits[3]),
_NLITEM (ctype, outdigits[4]),
_NLITEM (ctype, outdigits[5]),
_NLITEM (ctype, outdigits[6]),
_NLITEM (ctype, outdigits[7]),
_NLITEM (ctype, outdigits[8]),
_NLITEM (ctype, outdigits[9]),
_NLITEM (ctype, woutdigits[0]),
_NLITEM (ctype, woutdigits[1]),
_NLITEM (ctype, woutdigits[2]),
_NLITEM (ctype, woutdigits[3]),
_NLITEM (ctype, woutdigits[4]),
_NLITEM (ctype, woutdigits[5]),
_NLITEM (ctype, woutdigits[6]),
_NLITEM (ctype, woutdigits[7]),
_NLITEM (ctype, woutdigits[8]),
_NLITEM (ctype, woutdigits[9]),
_NLITEM (time, codeset),
_NLITEM (time, wmon[1]),
_NLITEM (time, wmon[2]),
_NLITEM (time, wmon[3]),
_NLITEM (time, wmon[4]),
_NLITEM (time, wmon[5]),
_NLITEM (time, wmon[6]),
_NLITEM (time, wmon[7]),
_NLITEM (time, wmon[8]),
_NLITEM (time, wmon[9]),
_NLITEM (time, wmon[10]),
_NLITEM (time, wmon[11]),
_NLITEM (time, wmon[12]),
_NLITEM (time, wmonth[1]),
_NLITEM (time, wmonth[2]),
_NLITEM (time, wmonth[3]),
_NLITEM (time, wmonth[4]),
_NLITEM (time, wmonth[5]),
_NLITEM (time, wmonth[6]),
_NLITEM (time, wmonth[7]),
_NLITEM (time, wmonth[8]),
_NLITEM (time, wmonth[9]),
_NLITEM (time, wmonth[10]),
_NLITEM (time, wmonth[11]),
_NLITEM (time, wmonth[12]),
_NLITEM (time, wwday[1]),
_NLITEM (time, wwday[2]),
_NLITEM (time, wwday[3]),
_NLITEM (time, wwday[4]),
_NLITEM (time, wwday[5]),
_NLITEM (time, wwday[6]),
_NLITEM (time, wwday[7]),
_NLITEM (time, wweekday[1]),
_NLITEM (time, wweekday[2]),
_NLITEM (time, wweekday[3]),
_NLITEM (time, wweekday[4]),
_NLITEM (time, wweekday[5]),
_NLITEM (time, wweekday[6]),
_NLITEM (time, wweekday[7]),
_NLITEM (time, wX_fmt),
_NLITEM (time, wx_fmt),
_NLITEM (time, wc_fmt),
_NLITEM (time, wam_pm[0]),
_NLITEM (time, wam_pm[1]),
_NLITEM (time, wdate_fmt),
_NLITEM (time, wampm_fmt),
_NLITEM (time, wera),
_NLITEM (time, wera_d_fmt),
_NLITEM (time, wera_d_t_fmt),
_NLITEM (time, wera_t_fmt),
_NLITEM (time, walt_digits),
_NLITEM (numeric, codeset),
_NLITEM (numeric, grouping),
_NLITEM (numeric, wdecimal_point),
_NLITEM (numeric, wthousands_sep),
_NLITEM (monetary, int_curr_symbol),
_NLITEM (monetary, currency_symbol),
_NLITEM (monetary, mon_decimal_point),
_NLITEM (monetary, mon_thousands_sep),
_NLITEM (monetary, mon_grouping),
_NLITEM (monetary, positive_sign),
_NLITEM (monetary, negative_sign),
_NLITEM (monetary, int_frac_digits),
_NLITEM (monetary, frac_digits),
_NLITEM (monetary, p_cs_precedes),
_NLITEM (monetary, p_sep_by_space),
_NLITEM (monetary, n_cs_precedes),
_NLITEM (monetary, n_sep_by_space),
_NLITEM (monetary, p_sign_posn),
_NLITEM (monetary, n_sign_posn),
_NLITEM (monetary, int_p_cs_precedes),
_NLITEM (monetary, int_p_sep_by_space),
_NLITEM (monetary, int_n_cs_precedes),
_NLITEM (monetary, int_n_sep_by_space),
_NLITEM (monetary, int_p_sign_posn),
_NLITEM (monetary, int_n_sign_posn),
_NLITEM (monetary, codeset),
_NLITEM (monetary, wint_curr_symbol),
_NLITEM (monetary, wcurrency_symbol),
_NLITEM (monetary, wmon_decimal_point),
_NLITEM (monetary, wmon_thousands_sep),
_NLITEM (monetary, wpositive_sign),
_NLITEM (monetary, wnegative_sign),
_NLITEM (messages, codeset),
_NLITEM (messages, wyesexpr),
_NLITEM (messages, wnoexpr),
_NLITEM (messages, wyesstr),
_NLITEM (messages, wnostr),
};
#endif /* __HAVE_LOCALE_INFO_EXTENDED__ */
#define _REL(BASE) ((int)item-BASE)
char *nl_langinfo_l (nl_item item, struct __locale_t *locale)
{
char *ret, *cs;
#ifndef __CYGWIN__
char *s;
#endif
static char *csym = NULL;
char *nptr;
switch (item) {
#ifdef __HAVE_LOCALE_INFO__
case _NL_MESSAGES_CODESET:
ret = (char *) __get_messages_locale (locale)->codeset;
goto do_codeset;
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
case _NL_TIME_CODESET:
ret = (char *) __get_time_locale (locale)->codeset;
goto do_codeset;
case _NL_NUMERIC_CODESET:
ret = (char *) __get_numeric_locale (locale)->codeset;
goto do_codeset;
case _NL_MONETARY_CODESET:
ret = (char *) __get_monetary_locale (locale)->codeset;
goto do_codeset;
#ifdef __CYGWIN__
case _NL_COLLATE_CODESET:
{
ret = (char *) __get_collate_locale (locale)->codeset;
goto do_codeset;
}
#endif /* __CYGWIN__ */
#endif /* __HAVE_LOCALE_INFO_EXTENDED__ */
#endif /* __HAVE_LOCALE_INFO__ */
case CODESET:
#ifdef _MB_CAPABLE
ret = (char *) __locale_charset (locale);
#endif
do_codeset:
#ifdef __CYGWIN__
/* Convert charset to Linux compatible codeset string. */
if (ret[0] == 'A'/*SCII*/)
ret = "ANSI_X3.4-1968";
else if (ret[0] == 'E')
{
if (strcmp (ret, "EUCJP") == 0)
ret = "EUC-JP";
else if (strcmp (ret, "EUCKR") == 0)
ret = "EUC-KR";
else if (strcmp (ret, "EUCCN") == 0)
ret = "GB2312";
}
else if (ret[0] == 'C'/*Pxxxx*/)
{
if (strcmp (ret + 2, "874") == 0)
ret = "TIS-620";
else if (strcmp (ret + 2, "20866") == 0)
ret = "KOI8-R";
else if (strcmp (ret + 2, "21866") == 0)
ret = "KOI8-U";
else if (strcmp (ret + 2, "101") == 0)
ret = "GEORGIAN-PS";
else if (strcmp (ret + 2, "102") == 0)
ret = "PT154";
else if (strcmp (ret + 2, "103") == 0)
ret = "KOI8-T";
}
else if (ret[0] == 'S'/*JIS*/)
{
/* Cygwin uses MSFT's implementation of SJIS, which differs
in some codepoints from the real thing, especially
0x5c: yen sign instead of backslash,
0x7e: overline instead of tilde.
We can't use the real SJIS since otherwise Win32
pathnames would become invalid. OTOH, if we return
"SJIS" here, then libiconv will do mb<->wc conversion
differently to our internal functions. Therefore we
return what we really implement, CP932. This is handled
fine by libiconv. */
ret = "CP932";
}
#elif !defined (_MB_CAPABLE)
ret = "US-ASCII";
#endif /* __CYGWIN__ */
break;
case D_T_FMT:
ret = (char *) __get_time_locale (locale)->c_fmt;
break;
case D_FMT:
ret = (char *) __get_time_locale (locale)->x_fmt;
break;
case T_FMT:
ret = (char *) __get_time_locale (locale)->X_fmt;
break;
case T_FMT_AMPM:
ret = (char *) __get_time_locale (locale)->ampm_fmt;
break;
case AM_STR:
ret = (char *) __get_time_locale (locale)->am_pm[0];
break;
case PM_STR:
ret = (char *) __get_time_locale (locale)->am_pm[1];
break;
case DAY_1: case DAY_2: case DAY_3:
case DAY_4: case DAY_5: case DAY_6: case DAY_7:
ret = (char*) __get_time_locale (locale)->weekday[_REL(DAY_1)];
break;
case ABDAY_1: case ABDAY_2: case ABDAY_3:
case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
ret = (char*) __get_time_locale (locale)->wday[_REL(ABDAY_1)];
break;
case MON_1: case MON_2: case MON_3: case MON_4:
case MON_5: case MON_6: case MON_7: case MON_8:
case MON_9: case MON_10: case MON_11: case MON_12:
ret = (char*) __get_time_locale (locale)->month[_REL(MON_1)];
break;
case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
ret = (char*) __get_time_locale (locale)->mon[_REL(ABMON_1)];
break;
case ERA:
ret = (char*) __get_time_locale (locale)->era;
break;
case ERA_D_FMT:
ret = (char*) __get_time_locale (locale)->era_d_fmt;
break;
case ERA_D_T_FMT:
ret = (char*) __get_time_locale (locale)->era_d_t_fmt;
break;
case ERA_T_FMT:
ret = (char*) __get_time_locale (locale)->era_t_fmt;
break;
case ALT_DIGITS:
ret = (char*) __get_time_locale (locale)->alt_digits;
break;
case _DATE_FMT: /* GNU extension */
ret = (char*) __get_time_locale (locale)->date_fmt;
break;
case RADIXCHAR:
ret = (char*) __get_numeric_locale (locale)->decimal_point;
break;
case THOUSEP:
ret = (char*) __get_numeric_locale (locale)->thousands_sep;
break;
case YESEXPR:
ret = (char*) __get_messages_locale (locale)->yesexpr;
break;
case NOEXPR:
ret = (char*) __get_messages_locale (locale)->noexpr;
break;
/*
* All items marked with LEGACY are available, but not recomended
* by SUSv2 to be used in portable applications since they're subject
* to remove in future specification editions
*/
case YESSTR: /* LEGACY */
ret = (char*) __get_messages_locale (locale)->yesstr;
break;
case NOSTR: /* LEGACY */
ret = (char*) __get_messages_locale (locale)->nostr;
break;
case CRNCYSTR:
ret = "";
cs = (char*) __get_monetary_locale (locale)->currency_symbol;
if (*cs != '\0') {
char pos = __localeconv_l (locale)->p_cs_precedes;
if (pos == __localeconv_l (locale)->n_cs_precedes) {
char psn = '\0';
if (pos == CHAR_MAX) {
if (strcmp(cs, __get_monetary_locale (locale)->mon_decimal_point) == 0)
psn = '.';
} else
psn = pos ? '-' : '+';
if (psn != '\0') {
int clen = strlen(cs);
nptr = realloc(csym, clen + 2);
if (!nptr && csym)
free (csym);
csym = nptr;
if (csym != NULL) {
*csym = psn;
strcpy(csym + 1, cs);
ret = csym;
}
}
}
}
break;
case D_MD_ORDER: /* local extension */
ret = (char *) __get_time_locale (locale)->md_order;
break;
#ifdef __HAVE_LOCALE_INFO__
case _NL_CTYPE_MB_CUR_MAX:
ret = (char *) __get_ctype_locale (locale)->mb_cur_max;
break;
#endif
default:
/* Relies on the fact that LC_ALL is 0, and all other
LC_ constants are in ascending order. */
if (item > NL_LOCALE_NAME(LC_ALL)
&& item < NL_LOCALE_NAME(_LC_LAST)) {
return locale->categories[item
- NL_LOCALE_NAME(LC_ALL)];
}
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
if (item > _NL_LOCALE_EXTENDED_FIRST_ENTRY
&& item < _NL_LOCALE_EXTENDED_LAST_ENTRY) {
int idx = item - _NL_LOCALE_EXTENDED_FIRST_ENTRY - 1;
return *(char **) ((char *) (*nl_ext[idx].base)(locale)
+ nl_ext[idx].offset);
}
#endif
ret = "";
}
return (ret);
}
char *nl_langinfo (nl_item item)
{
return nl_langinfo_l (item, __get_current_locale ());
}
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