xref: /freebsd/lib/libc/locale/lmonetary.c (revision 63dab8eed99114670445270e26cf7193fe55e0fa)
1 /*
2  * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Copyright (c) 2011 The FreeBSD Foundation
6  * All rights reserved.
7  * Portions of this software were developed by David Chisnall
8  * under sponsorship from the FreeBSD Foundation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34 
35 #include <limits.h>
36 #include <stddef.h>
37 #include <stdlib.h>
38 
39 #include "ldpart.h"
40 #include "lmonetary.h"
41 
42 extern const char * __fix_locale_grouping_str(const char *);
43 
44 #define LCMONETARY_SIZE_FULL (sizeof(struct lc_monetary_T) / sizeof(char *))
45 #define LCMONETARY_SIZE_MIN \
46 		(offsetof(struct lc_monetary_T, int_p_cs_precedes) / \
47 		    sizeof(char *))
48 
49 static char	empty[] = "";
50 static char	numempty[] = { CHAR_MAX, '\0'};
51 
52 static const struct lc_monetary_T _C_monetary_locale = {
53 	empty,		/* int_curr_symbol */
54 	empty,		/* currency_symbol */
55 	empty,		/* mon_decimal_point */
56 	empty,		/* mon_thousands_sep */
57 	numempty,	/* mon_grouping */
58 	empty,		/* positive_sign */
59 	empty,		/* negative_sign */
60 	numempty,	/* int_frac_digits */
61 	numempty,	/* frac_digits */
62 	numempty,	/* p_cs_precedes */
63 	numempty,	/* p_sep_by_space */
64 	numempty,	/* n_cs_precedes */
65 	numempty,	/* n_sep_by_space */
66 	numempty,	/* p_sign_posn */
67 	numempty,	/* n_sign_posn */
68 	numempty,	/* int_p_cs_precedes */
69 	numempty,	/* int_n_cs_precedes */
70 	numempty,	/* int_p_sep_by_space */
71 	numempty,	/* int_n_sep_by_space */
72 	numempty,	/* int_p_sign_posn */
73 	numempty	/* int_n_sign_posn */
74 };
75 
76 struct xlocale_monetary __xlocale_global_monetary;
77 
78 static char
79 cnv(const char *str)
80 {
81 	int i = strtol(str, NULL, 10);
82 
83 	if (i == -1)
84 		i = CHAR_MAX;
85 	return ((char)i);
86 }
87 
88 static void
89 destruct_monetary(void *v)
90 {
91 	struct xlocale_monetary *l = v;
92 	if (l->buffer)
93 		free(l->buffer);
94 	free(l);
95 }
96 
97 static int
98 monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
99 		int *changed, const char *name)
100 {
101 	int ret;
102 	struct lc_monetary_T *l = &loc->locale;
103 
104 	ret = __part_load_locale(name, using_locale,
105 		&loc->buffer, "LC_MONETARY",
106 		LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
107 		(const char **)l);
108 	if (ret != _LDP_ERROR)
109 		*changed = 1;
110 	if (ret == _LDP_LOADED) {
111 		l->mon_grouping =
112 		     __fix_locale_grouping_str(l->mon_grouping);
113 
114 #define M_ASSIGN_CHAR(NAME) (((char *)l->NAME)[0] = \
115 			     cnv(l->NAME))
116 
117 		M_ASSIGN_CHAR(int_frac_digits);
118 		M_ASSIGN_CHAR(frac_digits);
119 		M_ASSIGN_CHAR(p_cs_precedes);
120 		M_ASSIGN_CHAR(p_sep_by_space);
121 		M_ASSIGN_CHAR(n_cs_precedes);
122 		M_ASSIGN_CHAR(n_sep_by_space);
123 		M_ASSIGN_CHAR(p_sign_posn);
124 		M_ASSIGN_CHAR(n_sign_posn);
125 
126 		/*
127 		 * The six additional C99 international monetary formatting
128 		 * parameters default to the national parameters when
129 		 * reading FreeBSD LC_MONETARY data files.
130 		 */
131 #define	M_ASSIGN_ICHAR(NAME)						\
132 		do {							\
133 			if (l->int_##NAME == NULL)	\
134 				l->int_##NAME =		\
135 				    l->NAME;		\
136 			else						\
137 				M_ASSIGN_CHAR(int_##NAME);		\
138 		} while (0)
139 
140 		M_ASSIGN_ICHAR(p_cs_precedes);
141 		M_ASSIGN_ICHAR(n_cs_precedes);
142 		M_ASSIGN_ICHAR(p_sep_by_space);
143 		M_ASSIGN_ICHAR(n_sep_by_space);
144 		M_ASSIGN_ICHAR(p_sign_posn);
145 		M_ASSIGN_ICHAR(n_sign_posn);
146 	}
147 	return (ret);
148 }
149 int
150 __monetary_load_locale(const char *name)
151 {
152 	return monetary_load_locale_l(&__xlocale_global_monetary,
153 			&__xlocale_global_locale.using_monetary_locale,
154 			&__xlocale_global_locale.monetary_locale_changed, name);
155 }
156 void* __monetary_load(const char *name, locale_t l)
157 {
158 	struct xlocale_monetary *new = calloc(sizeof(struct xlocale_monetary), 1);
159 	new->header.header.destructor = destruct_monetary;
160 	if (monetary_load_locale_l(new, &l->using_monetary_locale,
161 				&l->monetary_locale_changed, name) == _LDP_ERROR)
162 	{
163 		xlocale_release(new);
164 		return NULL;
165 	}
166 	return new;
167 }
168 
169 
170 struct lc_monetary_T *
171 __get_current_monetary_locale(locale_t loc)
172 {
173 	return (loc->using_monetary_locale
174 		? &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale
175 		: (struct lc_monetary_T *)&_C_monetary_locale);
176 }
177 
178 #ifdef LOCALE_DEBUG
179 void
180 monetdebug() {
181 printf(	"int_curr_symbol = %s\n"
182 	"currency_symbol = %s\n"
183 	"mon_decimal_point = %s\n"
184 	"mon_thousands_sep = %s\n"
185 	"mon_grouping = %s\n"
186 	"positive_sign = %s\n"
187 	"negative_sign = %s\n"
188 	"int_frac_digits = %d\n"
189 	"frac_digits = %d\n"
190 	"p_cs_precedes = %d\n"
191 	"p_sep_by_space = %d\n"
192 	"n_cs_precedes = %d\n"
193 	"n_sep_by_space = %d\n"
194 	"p_sign_posn = %d\n"
195 	"n_sign_posn = %d\n",
196 	"int_p_cs_precedes = %d\n"
197 	"int_p_sep_by_space = %d\n"
198 	"int_n_cs_precedes = %d\n"
199 	"int_n_sep_by_space = %d\n"
200 	"int_p_sign_posn = %d\n"
201 	"int_n_sign_posn = %d\n",
202 	_monetary_locale.int_curr_symbol,
203 	_monetary_locale.currency_symbol,
204 	_monetary_locale.mon_decimal_point,
205 	_monetary_locale.mon_thousands_sep,
206 	_monetary_locale.mon_grouping,
207 	_monetary_locale.positive_sign,
208 	_monetary_locale.negative_sign,
209 	_monetary_locale.int_frac_digits[0],
210 	_monetary_locale.frac_digits[0],
211 	_monetary_locale.p_cs_precedes[0],
212 	_monetary_locale.p_sep_by_space[0],
213 	_monetary_locale.n_cs_precedes[0],
214 	_monetary_locale.n_sep_by_space[0],
215 	_monetary_locale.p_sign_posn[0],
216 	_monetary_locale.n_sign_posn[0],
217 	_monetary_locale.int_p_cs_precedes[0],
218 	_monetary_locale.int_p_sep_by_space[0],
219 	_monetary_locale.int_n_cs_precedes[0],
220 	_monetary_locale.int_n_sep_by_space[0],
221 	_monetary_locale.int_p_sign_posn[0],
222 	_monetary_locale.int_n_sign_posn[0]
223 );
224 }
225 #endif /* LOCALE_DEBUG */
226