1 /*
2 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
3 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef _LCONV_C99
34 #define _LCONV_C99 /* so we get all the extensions */
35 #endif
36
37 #include "lint.h"
38 #include <locale.h>
39 #include "lmonetary.h"
40 #include "lnumeric.h"
41 #include "localeimpl.h"
42
43 /*
44 * Return the current locale conversion.
45 *
46 * Note that XPG7 specifically states that localeconv's return value may
47 * be invalidated if the application calls setlocale() or uselocale() within
48 * the same thread.
49 *
50 * Because localeconv() may be called many times (especially by library
51 * routines like printf() & strtod()), the approprate members of the
52 * lconv structure are computed only when the monetary or numeric
53 * locale has been changed.
54 */
55 struct lconv *
56 localeconv(void)
57 {
58 struct lconv *lconv;
59 locale_t loc;
60 struct lc_monetary *mptr;
61 struct lc_numeric *nptr;
62
63 loc = uselocale(NULL);
64 lconv = &loc->lconv;
65
66 if (loc->loaded[LC_MONETARY] == 0) {
67 mptr = loc->locdata[LC_MONETARY]->l_data[0];
68
69 #define M_ASSIGN_STR(NAME) (lconv->NAME = (char *)mptr->NAME)
70 #define M_ASSIGN_CHAR(NAME) (lconv->NAME = mptr->NAME[0])
71
72 M_ASSIGN_STR(int_curr_symbol);
73 M_ASSIGN_STR(currency_symbol);
74 M_ASSIGN_STR(mon_decimal_point);
75 M_ASSIGN_STR(mon_thousands_sep);
76 M_ASSIGN_STR(mon_grouping);
77 M_ASSIGN_STR(positive_sign);
78 M_ASSIGN_STR(negative_sign);
79 M_ASSIGN_CHAR(int_frac_digits);
80 M_ASSIGN_CHAR(frac_digits);
81 M_ASSIGN_CHAR(p_cs_precedes);
82 M_ASSIGN_CHAR(p_sep_by_space);
83 M_ASSIGN_CHAR(n_cs_precedes);
84 M_ASSIGN_CHAR(n_sep_by_space);
85 M_ASSIGN_CHAR(p_sign_posn);
86 M_ASSIGN_CHAR(n_sign_posn);
87 M_ASSIGN_CHAR(int_p_cs_precedes);
88 M_ASSIGN_CHAR(int_n_cs_precedes);
89 M_ASSIGN_CHAR(int_p_sep_by_space);
90 M_ASSIGN_CHAR(int_n_sep_by_space);
91 M_ASSIGN_CHAR(int_p_sign_posn);
92 M_ASSIGN_CHAR(int_n_sign_posn);
93 loc->loaded[LC_MONETARY] = 1;
94 }
95
96 if (loc->loaded[LC_NUMERIC] == 0) {
97 nptr = loc->locdata[LC_NUMERIC]->l_data[0];
98
99 #define N_ASSIGN_STR(NAME) (lconv->NAME = (char *)nptr->NAME)
100
101 N_ASSIGN_STR(decimal_point);
102 N_ASSIGN_STR(thousands_sep);
103 N_ASSIGN_STR(grouping);
104 loc->loaded[LC_NUMERIC] = 1;
105 }
106
107 return (lconv);
108 }