1 /*
2 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
3 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Copyright (c) 2011 The FreeBSD Foundation
7 * All rights reserved.
8 * Portions of this software were developed by David Chisnall
9 * under sponsorship from the FreeBSD Foundation.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 #include "lint.h"
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) / sizeof (char *))
46
47 static char empty[] = "";
48 static char numempty[] = { CHAR_MAX, '\0' };
49
50 static const struct lc_monetary_T _C_monetary_locale = {
51 empty, /* int_curr_symbol */
52 empty, /* currency_symbol */
53 empty, /* mon_decimal_point */
54 empty, /* mon_thousands_sep */
55 numempty, /* mon_grouping */
56 empty, /* positive_sign */
57 empty, /* negative_sign */
58 numempty, /* int_frac_digits */
59 numempty, /* frac_digits */
60 numempty, /* p_cs_precedes */
61 numempty, /* p_sep_by_space */
62 numempty, /* n_cs_precedes */
63 numempty, /* n_sep_by_space */
64 numempty, /* p_sign_posn */
65 numempty, /* n_sign_posn */
66 numempty, /* int_p_cs_precedes */
67 numempty, /* int_n_cs_precedes */
68 numempty, /* int_p_sep_by_space */
69 numempty, /* int_n_sep_by_space */
70 numempty, /* int_p_sign_posn */
71 numempty /* int_n_sign_posn */
72 };
73
74 static struct lc_monetary_T _monetary_locale;
75 static int _monetary_using_locale;
76 static char *_monetary_locale_buf;
77
78 struct xlocale_monetary __xlocale_global_monetary;
79
80 static char
81 cnv(const char *str)
82 {
83 int i = strtol(str, NULL, 10);
84
85 if (i == -1)
86 i = CHAR_MAX;
87 return ((char)i);
88 }
89
90 static void
91 destruct_monetary(void *v)
92 {
93 struct xlocale_monetary *l = v;
94
95 if (l->buffer != NULL)
96 free(l->buffer);
97
98 free(l);
99 }
100
101 static int
102 monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
103 int *changed, const char *name)
104 {
105 int ret;
106 struct lc_monetary_T *l = &loc->locale;
107
108 ret = __part_load_locale(name, using_locale,
109 &loc->buffer, "LC_MONETARY",
110 LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
111 (const char **)l);
112 if (ret != _LDP_ERROR)
113 *changed = 1;
114 if (ret == _LDP_LOADED) {
115 l->mon_grouping =
116 __fix_locale_grouping_str(l->mon_grouping);
117
118 #define M_ASSIGN_CHAR(NAME) \
119 (((char *)l->NAME)[0] = \
120 cnv(l->NAME))
121
122 M_ASSIGN_CHAR(int_frac_digits);
123 M_ASSIGN_CHAR(frac_digits);
124 M_ASSIGN_CHAR(p_cs_precedes);
125 M_ASSIGN_CHAR(p_sep_by_space);
126 M_ASSIGN_CHAR(n_cs_precedes);
127 M_ASSIGN_CHAR(n_sep_by_space);
128 M_ASSIGN_CHAR(p_sign_posn);
129 M_ASSIGN_CHAR(n_sign_posn);
130
131 /*
132 * The six additional C99 international monetary formatting
133 * parameters default to the national parameters when
134 * reading FreeBSD LC_MONETARY data files.
135 */
136 #define M_ASSIGN_ICHAR(NAME) \
137 do { \
138 if (l->int_##NAME == NULL) \
139 l->int_##NAME = \
140 l->NAME; \
141 else \
142 M_ASSIGN_CHAR(int_##NAME); \
143 } while (0)
144
145 M_ASSIGN_ICHAR(p_cs_precedes);
146 M_ASSIGN_ICHAR(n_cs_precedes);
147 M_ASSIGN_ICHAR(p_sep_by_space);
148 M_ASSIGN_ICHAR(n_sep_by_space);
149 M_ASSIGN_ICHAR(p_sign_posn);
150 M_ASSIGN_ICHAR(n_sign_posn);
151 }
152 return (ret);
153 }
154
155 int
156 __monetary_load_locale(const char *name)
157 {
158 return (monetary_load_locale_l(&__xlocale_global_monetary,
159 &__xlocale_global_locale.using_monetary_locale,
160 &__xlocale_global_locale.monetary_locale_changed, name));
161 }
162
163 void *
164 __monetary_load(const char *name, locale_t loc)
165 {
166 struct xlocale_monetary *new;
167
168 new = calloc(sizeof(struct xlocale_monetary), 1);
169 if (new == NULL)
170 return (NULL);
171
172 new->header.header.destructor = destruct_monetary;
173 if (monetary_load_locale_l(new, &loc->using_monetary_locale,
174 &loc->monetary_locale_changed, name) == _LDP_ERROR) {
175 xlocale_release(new);
176 return (NULL);
177 }
178
179 return (NULL);
180 }
181
182 struct lc_monetary_T *
183 __get_current_monetary_locale(locale_t loc)
184 {
185 return (loc->using_monetary_locale
186 ? &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale
187 : (struct lc_monetary_T *)&_C_monetary_locale);
188 }