1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * Copyright (c) 1991, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Copyright (c) 2011 The FreeBSD Foundation
9 *
10 * Portions of this software were developed by David Chisnall
11 * under sponsorship from the FreeBSD Foundation.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include <locale.h>
39
40 #include "lmonetary.h"
41 #include "lnumeric.h"
42
43 /*
44 * The localeconv() function constructs a struct lconv from the current
45 * monetary and numeric locales.
46 *
47 * Because localeconv() may be called many times (especially by library
48 * routines like printf() & strtod()), the appropriate members of the
49 * lconv structure are computed only when the monetary or numeric
50 * locale has been changed.
51 */
52
53 /*
54 * Return the current locale conversion.
55 */
56 struct lconv *
localeconv_l(locale_t loc)57 localeconv_l(locale_t loc)
58 {
59 FIX_LOCALE(loc);
60 struct lconv *ret = &loc->lconv;
61
62 if (atomic_load_acq_int(&loc->monetary_locale_changed) != 0) {
63 /* LC_MONETARY part */
64 struct lc_monetary_T * mptr;
65
66 #define M_ASSIGN_STR(NAME) (ret->NAME = (char*)mptr->NAME)
67 #define M_ASSIGN_CHAR(NAME) (ret->NAME = mptr->NAME[0])
68
69 mptr = __get_current_monetary_locale(loc);
70 M_ASSIGN_STR(int_curr_symbol);
71 M_ASSIGN_STR(currency_symbol);
72 M_ASSIGN_STR(mon_decimal_point);
73 M_ASSIGN_STR(mon_thousands_sep);
74 M_ASSIGN_STR(mon_grouping);
75 M_ASSIGN_STR(positive_sign);
76 M_ASSIGN_STR(negative_sign);
77 M_ASSIGN_CHAR(int_frac_digits);
78 M_ASSIGN_CHAR(frac_digits);
79 M_ASSIGN_CHAR(p_cs_precedes);
80 M_ASSIGN_CHAR(p_sep_by_space);
81 M_ASSIGN_CHAR(n_cs_precedes);
82 M_ASSIGN_CHAR(n_sep_by_space);
83 M_ASSIGN_CHAR(p_sign_posn);
84 M_ASSIGN_CHAR(n_sign_posn);
85 M_ASSIGN_CHAR(int_p_cs_precedes);
86 M_ASSIGN_CHAR(int_n_cs_precedes);
87 M_ASSIGN_CHAR(int_p_sep_by_space);
88 M_ASSIGN_CHAR(int_n_sep_by_space);
89 M_ASSIGN_CHAR(int_p_sign_posn);
90 M_ASSIGN_CHAR(int_n_sign_posn);
91 atomic_store_int(&loc->monetary_locale_changed, 0);
92 }
93
94 if (atomic_load_acq_int(&loc->numeric_locale_changed) != 0) {
95 /* LC_NUMERIC part */
96 struct lc_numeric_T * nptr;
97
98 #define N_ASSIGN_STR(NAME) (ret->NAME = (char*)nptr->NAME)
99
100 nptr = __get_current_numeric_locale(loc);
101 N_ASSIGN_STR(decimal_point);
102 N_ASSIGN_STR(thousands_sep);
103 N_ASSIGN_STR(grouping);
104 atomic_store_int(&loc->numeric_locale_changed, 0);
105 }
106
107 return ret;
108 }
109 struct lconv *
localeconv(void)110 localeconv(void)
111 {
112 return localeconv_l(__get_locale());
113 }
114