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 * All rights reserved.
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#if defined(LIBC_SCCS) && !defined(lint)
39static char sccsid[] = "@(#)localeconv.c	8.1 (Berkeley) 6/4/93";
40#endif /* LIBC_SCCS and not lint */
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD$");
43
44#include <locale.h>
45
46#include "lmonetary.h"
47#include "lnumeric.h"
48
49/*
50 * The localeconv() function constructs a struct lconv from the current
51 * monetary and numeric locales.
52 *
53 * Because localeconv() may be called many times (especially by library
54 * routines like printf() & strtod()), the approprate members of the
55 * lconv structure are computed only when the monetary or numeric
56 * locale has been changed.
57 */
58
59/*
60 * Return the current locale conversion.
61 */
62struct lconv *
63localeconv_l(locale_t loc)
64{
65	FIX_LOCALE(loc);
66    struct lconv *ret = &loc->lconv;
67
68    if (loc->monetary_locale_changed) {
69	/* LC_MONETARY part */
70        struct lc_monetary_T * mptr;
71
72#define M_ASSIGN_STR(NAME) (ret->NAME = (char*)mptr->NAME)
73#define M_ASSIGN_CHAR(NAME) (ret->NAME = mptr->NAME[0])
74
75	mptr = __get_current_monetary_locale(loc);
76	M_ASSIGN_STR(int_curr_symbol);
77	M_ASSIGN_STR(currency_symbol);
78	M_ASSIGN_STR(mon_decimal_point);
79	M_ASSIGN_STR(mon_thousands_sep);
80	M_ASSIGN_STR(mon_grouping);
81	M_ASSIGN_STR(positive_sign);
82	M_ASSIGN_STR(negative_sign);
83	M_ASSIGN_CHAR(int_frac_digits);
84	M_ASSIGN_CHAR(frac_digits);
85	M_ASSIGN_CHAR(p_cs_precedes);
86	M_ASSIGN_CHAR(p_sep_by_space);
87	M_ASSIGN_CHAR(n_cs_precedes);
88	M_ASSIGN_CHAR(n_sep_by_space);
89	M_ASSIGN_CHAR(p_sign_posn);
90	M_ASSIGN_CHAR(n_sign_posn);
91	M_ASSIGN_CHAR(int_p_cs_precedes);
92	M_ASSIGN_CHAR(int_n_cs_precedes);
93	M_ASSIGN_CHAR(int_p_sep_by_space);
94	M_ASSIGN_CHAR(int_n_sep_by_space);
95	M_ASSIGN_CHAR(int_p_sign_posn);
96	M_ASSIGN_CHAR(int_n_sign_posn);
97	loc->monetary_locale_changed = 0;
98    }
99
100    if (loc->numeric_locale_changed) {
101	/* LC_NUMERIC part */
102        struct lc_numeric_T * nptr;
103
104#define N_ASSIGN_STR(NAME) (ret->NAME = (char*)nptr->NAME)
105
106	nptr = __get_current_numeric_locale(loc);
107	N_ASSIGN_STR(decimal_point);
108	N_ASSIGN_STR(thousands_sep);
109	N_ASSIGN_STR(grouping);
110	loc->numeric_locale_changed = 0;
111    }
112
113    return ret;
114}
115struct lconv *
116localeconv(void)
117{
118	return localeconv_l(__get_locale());
119}
120