xref: /freebsd/lib/libc/locale/lmonetary.c (revision eacee0ff7ec955b32e09515246bd97b6edcd2b0f)
1 /*
2  * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <limits.h>
30 #include <stdlib.h>
31 #include "lmonetary.h"
32 #include "ldpart.h"
33 
34 extern int __mlocale_changed;
35 extern const char * __fix_locale_grouping_str(const char *);
36 
37 #define LCMONETARY_SIZE (sizeof(struct lc_monetary_T) / sizeof(char *))
38 
39 static char	empty[] = "";
40 static char	numempty[] = { CHAR_MAX, '\0'};
41 
42 static const struct lc_monetary_T _C_monetary_locale = {
43 	empty,		/* int_curr_symbol */
44 	empty,		/* currency_symbol */
45 	empty,		/* mon_decimal_point */
46 	empty,		/* mon_thousands_sep */
47 	numempty,	/* mon_grouping */
48 	empty,		/* positive_sign */
49 	empty,		/* negative_sign */
50 	numempty,	/* int_frac_digits */
51 	numempty,	/* frac_digits */
52 	numempty,	/* p_cs_precedes */
53 	numempty,	/* p_sep_by_space */
54 	numempty,	/* n_cs_precedes */
55 	numempty,	/* n_sep_by_space */
56 	numempty,	/* p_sign_posn */
57 	numempty	/* n_sign_posn */
58 };
59 
60 static struct lc_monetary_T _monetary_locale;
61 static int	_monetary_using_locale;
62 static char	*_monetary_locale_buf;
63 
64 static char
65 cnv(const char *str) {
66 	int i = strtol(str, NULL, 10);
67 	if (i == -1)
68 		i = CHAR_MAX;
69 	return (char)i;
70 }
71 
72 int
73 __monetary_load_locale(const char *name) {
74 
75 	int ret;
76 	__mlocale_changed = 1;
77 	ret = __part_load_locale(name, &_monetary_using_locale,
78 		_monetary_locale_buf, "LC_MONETARY",
79 		LCMONETARY_SIZE, LCMONETARY_SIZE,
80 		(const char **)&_monetary_locale);
81 	if (ret == 0 && _monetary_using_locale) {
82 		_monetary_locale.mon_grouping =
83 		     __fix_locale_grouping_str(_monetary_locale.mon_grouping);
84 
85 #define M_ASSIGN_CHAR(NAME) (((char *)_monetary_locale.NAME)[0] = \
86 			     cnv(_monetary_locale.NAME))
87 
88 		M_ASSIGN_CHAR(int_frac_digits);
89 		M_ASSIGN_CHAR(frac_digits);
90 		M_ASSIGN_CHAR(p_cs_precedes);
91 		M_ASSIGN_CHAR(p_sep_by_space);
92 		M_ASSIGN_CHAR(n_cs_precedes);
93 		M_ASSIGN_CHAR(n_sep_by_space);
94 		M_ASSIGN_CHAR(p_sign_posn);
95 		M_ASSIGN_CHAR(n_sign_posn);
96 	}
97 	return ret;
98 }
99 
100 struct lc_monetary_T *
101 __get_current_monetary_locale(void) {
102 
103 	return (_monetary_using_locale
104 		? &_monetary_locale
105 		: (struct lc_monetary_T *)&_C_monetary_locale);
106 }
107 
108 #ifdef LOCALE_DEBUG
109 void
110 monetdebug() {
111 printf(	"int_curr_symbol = %s\n"
112 	"currency_symbol = %s\n"
113 	"mon_decimal_point = %s\n"
114 	"mon_thousands_sep = %s\n"
115 	"mon_grouping = %s\n"
116 	"positive_sign = %s\n"
117 	"negative_sign = %s\n"
118 	"int_frac_digits = %d\n"
119 	"frac_digits = %d\n"
120 	"p_cs_precedes = %d\n"
121 	"p_sep_by_space = %d\n"
122 	"n_cs_precedes = %d\n"
123 	"n_sep_by_space = %d\n"
124 	"p_sign_posn = %d\n"
125 	"n_sign_posn = %d\n",
126 	_monetary_locale.int_curr_symbol,
127 	_monetary_locale.currency_symbol,
128 	_monetary_locale.mon_decimal_point,
129 	_monetary_locale.mon_thousands_sep,
130 	_monetary_locale.mon_grouping,
131 	_monetary_locale.positive_sign,
132 	_monetary_locale.negative_sign,
133 	_monetary_locale.int_frac_digits[0],
134 	_monetary_locale.frac_digits[0],
135 	_monetary_locale.p_cs_precedes[0],
136 	_monetary_locale.p_sep_by_space[0],
137 	_monetary_locale.n_cs_precedes[0],
138 	_monetary_locale.n_sep_by_space[0],
139 	_monetary_locale.p_sign_posn[0],
140 	_monetary_locale.n_sign_posn[0]
141 );
142 }
143 #endif /* LOCALE_DEBUG */
144