1 /*
2 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
3 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
4 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "lint.h"
30 #include <limits.h>
31 #include <stddef.h>
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <string.h>
35 #include <errno.h>
36 #include "libc.h"
37 #include "ldpart.h"
38 #include "lmonetary.h"
39 #include "localeimpl.h"
40
41 extern const char *__fix_locale_grouping_str(const char *);
42
43 #define LCMONETARY_SIZE_FULL (sizeof (struct lc_monetary) / sizeof (char *))
44 #define LCMONETARY_SIZE_MIN \
45 (offsetof(struct lc_monetary, int_p_cs_precedes) / sizeof (char *))
46
47 static char empty[] = "";
48 static char numempty[] = { CHAR_MAX, '\0' };
49
50 struct lc_monetary lc_monetary_posix = {
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 empty /* crncystr */
73 };
74
75 struct locdata __posix_monetary_locdata = {
76 .l_lname = "C",
77 .l_data = { &lc_monetary_posix }
78 };
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 struct locdata *
91 __lc_monetary_load(const char *name)
92 {
93 int ret;
94 int clen;
95 struct lc_monetary *lmon;
96 struct locdata *ldata;
97
98 if ((ldata = __locdata_alloc(name, sizeof (*lmon))) == NULL) {
99 return (NULL);
100 }
101 lmon = ldata->l_data[0];
102
103 ret = __part_load_locale(name, (char **)&ldata->l_data[1],
104 "LC_MONETARY", LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
105 (const char **)lmon);
106
107 if (ret != _LDP_LOADED) {
108 __locdata_free(ldata);
109 errno = EINVAL;
110 return (NULL);
111 }
112
113 /* special storage for currency string */
114 clen = strlen(lmon->currency_symbol) + 2;
115 ldata->l_data[2] = libc_malloc(clen);
116 lmon->crncystr = ldata->l_data[2];
117
118 lmon->mon_grouping = __fix_locale_grouping_str(lmon->mon_grouping);
119
120 #define M_ASSIGN_CHAR(NAME) \
121 (((char *)lmon->NAME)[0] = cnv(lmon->NAME))
122
123 M_ASSIGN_CHAR(int_frac_digits);
124 M_ASSIGN_CHAR(frac_digits);
125 M_ASSIGN_CHAR(p_cs_precedes);
126 M_ASSIGN_CHAR(p_sep_by_space);
127 M_ASSIGN_CHAR(n_cs_precedes);
128 M_ASSIGN_CHAR(n_sep_by_space);
129 M_ASSIGN_CHAR(p_sign_posn);
130 M_ASSIGN_CHAR(n_sign_posn);
131
132 /*
133 * The six additional C99 international monetary formatting
134 * parameters default to the national parameters when
135 * reading FreeBSD LC_MONETARY data files.
136 */
137 #define M_ASSIGN_ICHAR(NAME) \
138 if (lmon->int_##NAME == NULL) \
139 lmon->int_##NAME = lmon->NAME; \
140 else \
141 M_ASSIGN_CHAR(int_##NAME);
142
143 M_ASSIGN_ICHAR(p_cs_precedes);
144 M_ASSIGN_ICHAR(n_cs_precedes);
145 M_ASSIGN_ICHAR(p_sep_by_space);
146 M_ASSIGN_ICHAR(n_sep_by_space);
147 M_ASSIGN_ICHAR(p_sign_posn);
148 M_ASSIGN_ICHAR(n_sign_posn);
149
150 /*
151 * Now calculate the currency string (CRNCYSTR) for nl_langinfo.
152 * This is a legacy SUSv2 interface.
153 */
154 if ((lmon->p_cs_precedes[0] == lmon->n_cs_precedes[0]) &&
155 (lmon->currency_symbol[0] != '\0')) {
156 char sign = '\0';
157 switch (lmon->p_cs_precedes[0]) {
158 case 0:
159 sign = '+';
160 break;
161 case 1:
162 sign = '-';
163 break;
164 case CHAR_MAX:
165 /*
166 * Substitute currency string for radix character.
167 * To the best of my knowledge, no locale uses this.
168 */
169 if (strcmp(lmon->mon_decimal_point,
170 lmon->currency_symbol) == 0)
171 sign = '.';
172 break;
173 }
174 (void) snprintf(lmon->crncystr, clen, "%c%s", sign,
175 lmon->currency_symbol);
176 }
177
178 return (ldata);
179 }