3c87aa1d3d
load of _l suffixed versions of various standard library functions that use the global locale, making them take an explicit locale parameter. Also adds support for per-thread locales. This work was funded by the FreeBSD Foundation. Please test any code you have that uses the C standard locale functions! Reviewed by: das (gdtoa changes) Approved by: dim (mentor)
226 lines
6.5 KiB
C
226 lines
6.5 KiB
C
/*
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* Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
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* All rights reserved.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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* All rights reserved.
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* Portions of this software were developed by David Chisnall
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* under sponsorship from the FreeBSD Foundation.
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <limits.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include "ldpart.h"
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#include "lmonetary.h"
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extern const char * __fix_locale_grouping_str(const char *);
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#define LCMONETARY_SIZE_FULL (sizeof(struct lc_monetary_T) / sizeof(char *))
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#define LCMONETARY_SIZE_MIN \
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(offsetof(struct lc_monetary_T, int_p_cs_precedes) / \
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sizeof(char *))
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static char empty[] = "";
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static char numempty[] = { CHAR_MAX, '\0'};
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static const struct lc_monetary_T _C_monetary_locale = {
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empty, /* int_curr_symbol */
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empty, /* currency_symbol */
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empty, /* mon_decimal_point */
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empty, /* mon_thousands_sep */
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numempty, /* mon_grouping */
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empty, /* positive_sign */
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empty, /* negative_sign */
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numempty, /* int_frac_digits */
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numempty, /* frac_digits */
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numempty, /* p_cs_precedes */
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numempty, /* p_sep_by_space */
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numempty, /* n_cs_precedes */
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numempty, /* n_sep_by_space */
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numempty, /* p_sign_posn */
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numempty, /* n_sign_posn */
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numempty, /* int_p_cs_precedes */
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numempty, /* int_n_cs_precedes */
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numempty, /* int_p_sep_by_space */
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numempty, /* int_n_sep_by_space */
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numempty, /* int_p_sign_posn */
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numempty /* int_n_sign_posn */
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};
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struct xlocale_monetary __xlocale_global_monetary;
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static char
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cnv(const char *str)
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{
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int i = strtol(str, NULL, 10);
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if (i == -1)
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i = CHAR_MAX;
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return ((char)i);
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}
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static void
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destruct_monetary(void *v)
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{
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struct xlocale_monetary *l = v;
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if (l->buffer)
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free(l->buffer);
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free(l);
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}
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static int
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monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
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int *changed, const char *name)
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{
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int ret;
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struct lc_monetary_T *l = &loc->locale;
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ret = __part_load_locale(name, using_locale,
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&loc->buffer, "LC_MONETARY",
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LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
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(const char **)l);
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if (ret != _LDP_ERROR)
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*changed = 1;
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if (ret == _LDP_LOADED) {
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l->mon_grouping =
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__fix_locale_grouping_str(l->mon_grouping);
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#define M_ASSIGN_CHAR(NAME) (((char *)l->NAME)[0] = \
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cnv(l->NAME))
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M_ASSIGN_CHAR(int_frac_digits);
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M_ASSIGN_CHAR(frac_digits);
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M_ASSIGN_CHAR(p_cs_precedes);
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M_ASSIGN_CHAR(p_sep_by_space);
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M_ASSIGN_CHAR(n_cs_precedes);
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M_ASSIGN_CHAR(n_sep_by_space);
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M_ASSIGN_CHAR(p_sign_posn);
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M_ASSIGN_CHAR(n_sign_posn);
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/*
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* The six additional C99 international monetary formatting
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* parameters default to the national parameters when
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* reading FreeBSD LC_MONETARY data files.
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*/
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#define M_ASSIGN_ICHAR(NAME) \
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do { \
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if (l->int_##NAME == NULL) \
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l->int_##NAME = \
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l->NAME; \
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else \
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M_ASSIGN_CHAR(int_##NAME); \
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} while (0)
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M_ASSIGN_ICHAR(p_cs_precedes);
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M_ASSIGN_ICHAR(n_cs_precedes);
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M_ASSIGN_ICHAR(p_sep_by_space);
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M_ASSIGN_ICHAR(n_sep_by_space);
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M_ASSIGN_ICHAR(p_sign_posn);
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M_ASSIGN_ICHAR(n_sign_posn);
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}
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return (ret);
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}
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int
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__monetary_load_locale(const char *name)
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{
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return monetary_load_locale_l(&__xlocale_global_monetary,
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&__xlocale_global_locale.using_monetary_locale,
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&__xlocale_global_locale.monetary_locale_changed, name);
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}
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void* __monetary_load(const char *name, locale_t l)
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{
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struct xlocale_monetary *new = calloc(sizeof(struct xlocale_monetary), 1);
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new->header.header.destructor = destruct_monetary;
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if (monetary_load_locale_l(new, &l->using_monetary_locale,
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&l->monetary_locale_changed, name) == _LDP_ERROR)
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{
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xlocale_release(new);
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return NULL;
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}
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return new;
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}
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struct lc_monetary_T *
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__get_current_monetary_locale(locale_t loc)
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{
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return (loc->using_monetary_locale
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? &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale
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: (struct lc_monetary_T *)&_C_monetary_locale);
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}
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#ifdef LOCALE_DEBUG
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void
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monetdebug() {
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printf( "int_curr_symbol = %s\n"
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"currency_symbol = %s\n"
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"mon_decimal_point = %s\n"
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"mon_thousands_sep = %s\n"
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"mon_grouping = %s\n"
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"positive_sign = %s\n"
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"negative_sign = %s\n"
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"int_frac_digits = %d\n"
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"frac_digits = %d\n"
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"p_cs_precedes = %d\n"
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"p_sep_by_space = %d\n"
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"n_cs_precedes = %d\n"
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"n_sep_by_space = %d\n"
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"p_sign_posn = %d\n"
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"n_sign_posn = %d\n",
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"int_p_cs_precedes = %d\n"
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"int_p_sep_by_space = %d\n"
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"int_n_cs_precedes = %d\n"
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"int_n_sep_by_space = %d\n"
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"int_p_sign_posn = %d\n"
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"int_n_sign_posn = %d\n",
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_monetary_locale.int_curr_symbol,
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_monetary_locale.currency_symbol,
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_monetary_locale.mon_decimal_point,
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_monetary_locale.mon_thousands_sep,
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_monetary_locale.mon_grouping,
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_monetary_locale.positive_sign,
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_monetary_locale.negative_sign,
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_monetary_locale.int_frac_digits[0],
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_monetary_locale.frac_digits[0],
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_monetary_locale.p_cs_precedes[0],
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_monetary_locale.p_sep_by_space[0],
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_monetary_locale.n_cs_precedes[0],
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_monetary_locale.n_sep_by_space[0],
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_monetary_locale.p_sign_posn[0],
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_monetary_locale.n_sign_posn[0],
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_monetary_locale.int_p_cs_precedes[0],
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_monetary_locale.int_p_sep_by_space[0],
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_monetary_locale.int_n_cs_precedes[0],
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_monetary_locale.int_n_sep_by_space[0],
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_monetary_locale.int_p_sign_posn[0],
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_monetary_locale.int_n_sign_posn[0]
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);
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}
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#endif /* LOCALE_DEBUG */
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