1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include <limits.h>
35 #include <stddef.h>
36 #include <stdlib.h>
37
38 #include "ldpart.h"
39 #include "lmonetary.h"
40
41 extern const char * __fix_locale_grouping_str(const char *);
42
43 #define LCMONETARY_SIZE_FULL (sizeof(struct lc_monetary_T) / sizeof(char *))
44 #define LCMONETARY_SIZE_MIN \
45 (offsetof(struct lc_monetary_T, int_p_cs_precedes) / \
46 sizeof(char *))
47
48 static char empty[] = "";
49 static char numempty[] = { CHAR_MAX, '\0'};
50
51 static const struct lc_monetary_T _C_monetary_locale = {
52 empty, /* int_curr_symbol */
53 empty, /* currency_symbol */
54 empty, /* mon_decimal_point */
55 empty, /* mon_thousands_sep */
56 numempty, /* mon_grouping */
57 empty, /* positive_sign */
58 empty, /* negative_sign */
59 numempty, /* int_frac_digits */
60 numempty, /* frac_digits */
61 numempty, /* p_cs_precedes */
62 numempty, /* p_sep_by_space */
63 numempty, /* n_cs_precedes */
64 numempty, /* n_sep_by_space */
65 numempty, /* p_sign_posn */
66 numempty, /* n_sign_posn */
67 numempty, /* int_p_cs_precedes */
68 numempty, /* int_n_cs_precedes */
69 numempty, /* int_p_sep_by_space */
70 numempty, /* int_n_sep_by_space */
71 numempty, /* int_p_sign_posn */
72 numempty /* int_n_sign_posn */
73 };
74
75 struct xlocale_monetary __xlocale_global_monetary;
76
77 static char
cnv(const char * str)78 cnv(const char *str)
79 {
80 int i = strtol(str, NULL, 10);
81
82 if (i == -1)
83 i = CHAR_MAX;
84 return ((char)i);
85 }
86
87 static void
destruct_monetary(void * v)88 destruct_monetary(void *v)
89 {
90 struct xlocale_monetary *l = v;
91 if (l->buffer)
92 free(l->buffer);
93 free(l);
94 }
95
96 static int
monetary_load_locale_l(struct xlocale_monetary * loc,int * using_locale,int * changed,const char * name)97 monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
98 int *changed, const char *name)
99 {
100 int ret;
101 struct lc_monetary_T *l = &loc->locale;
102
103 ret = __part_load_locale(name, using_locale,
104 &loc->buffer, "LC_MONETARY",
105 LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
106 (const char **)l);
107 if (ret == _LDP_LOADED) {
108 l->mon_grouping =
109 __fix_locale_grouping_str(l->mon_grouping);
110
111 #define M_ASSIGN_CHAR(NAME) (((char *)l->NAME)[0] = \
112 cnv(l->NAME))
113
114 M_ASSIGN_CHAR(int_frac_digits);
115 M_ASSIGN_CHAR(frac_digits);
116 M_ASSIGN_CHAR(p_cs_precedes);
117 M_ASSIGN_CHAR(p_sep_by_space);
118 M_ASSIGN_CHAR(n_cs_precedes);
119 M_ASSIGN_CHAR(n_sep_by_space);
120 M_ASSIGN_CHAR(p_sign_posn);
121 M_ASSIGN_CHAR(n_sign_posn);
122
123 /*
124 * The six additional C99 international monetary formatting
125 * parameters default to the national parameters when
126 * reading FreeBSD LC_MONETARY data files.
127 */
128 #define M_ASSIGN_ICHAR(NAME) \
129 do { \
130 if (l->int_##NAME == NULL) \
131 l->int_##NAME = \
132 l->NAME; \
133 else \
134 M_ASSIGN_CHAR(int_##NAME); \
135 } while (0)
136
137 M_ASSIGN_ICHAR(p_cs_precedes);
138 M_ASSIGN_ICHAR(n_cs_precedes);
139 M_ASSIGN_ICHAR(p_sep_by_space);
140 M_ASSIGN_ICHAR(n_sep_by_space);
141 M_ASSIGN_ICHAR(p_sign_posn);
142 M_ASSIGN_ICHAR(n_sign_posn);
143 }
144 if (ret != _LDP_ERROR)
145 atomic_store_rel_int(changed, 1);
146 return (ret);
147 }
148
149 int
__monetary_load_locale(const char * name)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
157 void *
__monetary_load(const char * name,locale_t l)158 __monetary_load(const char *name, locale_t l)
159 {
160 struct xlocale_monetary *new = calloc(sizeof(struct xlocale_monetary),
161 1);
162 if (new == NULL)
163 return (NULL);
164 new->header.header.destructor = destruct_monetary;
165 if (monetary_load_locale_l(new, &l->using_monetary_locale,
166 &l->monetary_locale_changed, name) == _LDP_ERROR) {
167 xlocale_release(new);
168 return (NULL);
169 }
170 return (new);
171 }
172
173 struct lc_monetary_T *
__get_current_monetary_locale(locale_t loc)174 __get_current_monetary_locale(locale_t loc)
175 {
176 return (loc->using_monetary_locale ?
177 &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale :
178 (struct lc_monetary_T *)&_C_monetary_locale);
179 }
180
181 #ifdef LOCALE_DEBUG
182 void
monetdebug(void)183 monetdebug(void) {
184 printf( "int_curr_symbol = %s\n"
185 "currency_symbol = %s\n"
186 "mon_decimal_point = %s\n"
187 "mon_thousands_sep = %s\n"
188 "mon_grouping = %s\n"
189 "positive_sign = %s\n"
190 "negative_sign = %s\n"
191 "int_frac_digits = %d\n"
192 "frac_digits = %d\n"
193 "p_cs_precedes = %d\n"
194 "p_sep_by_space = %d\n"
195 "n_cs_precedes = %d\n"
196 "n_sep_by_space = %d\n"
197 "p_sign_posn = %d\n"
198 "n_sign_posn = %d\n"
199 "int_p_cs_precedes = %d\n"
200 "int_p_sep_by_space = %d\n"
201 "int_n_cs_precedes = %d\n"
202 "int_n_sep_by_space = %d\n"
203 "int_p_sign_posn = %d\n"
204 "int_n_sign_posn = %d\n",
205 _monetary_locale.int_curr_symbol,
206 _monetary_locale.currency_symbol,
207 _monetary_locale.mon_decimal_point,
208 _monetary_locale.mon_thousands_sep,
209 _monetary_locale.mon_grouping,
210 _monetary_locale.positive_sign,
211 _monetary_locale.negative_sign,
212 _monetary_locale.int_frac_digits[0],
213 _monetary_locale.frac_digits[0],
214 _monetary_locale.p_cs_precedes[0],
215 _monetary_locale.p_sep_by_space[0],
216 _monetary_locale.n_cs_precedes[0],
217 _monetary_locale.n_sep_by_space[0],
218 _monetary_locale.p_sign_posn[0],
219 _monetary_locale.n_sign_posn[0],
220 _monetary_locale.int_p_cs_precedes[0],
221 _monetary_locale.int_p_sep_by_space[0],
222 _monetary_locale.int_n_cs_precedes[0],
223 _monetary_locale.int_n_sep_by_space[0],
224 _monetary_locale.int_p_sign_posn[0],
225 _monetary_locale.int_n_sign_posn[0]
226 );
227 }
228 #endif /* LOCALE_DEBUG */
229