1 /*
2 * Copyright 2014 Garrett D'Amore.
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 <errno.h>
32 #include "ldpart.h"
33 #include "lnumeric.h"
34 #include "localeimpl.h"
35
36 extern const char *__fix_locale_grouping_str(const char *);
37
38 #define LCNUMERIC_SIZE (sizeof (struct lc_numeric) / sizeof (char *))
39
40 static char numempty[] = { CHAR_MAX, '\0' };
41
42 struct lc_numeric lc_numeric_posix = {
43 ".", /* decimal_point */
44 "", /* thousands_sep */
45 numempty /* grouping */
46 };
47
48 struct locdata __posix_numeric_locdata = {
49 .l_lname = "C",
50 .l_data = { &lc_numeric_posix }
51 };
52
53
54 /*
55 * Return the locale's numeric locdata structure.
56 */
57 struct locdata *
__lc_numeric_load(const char * name)58 __lc_numeric_load(const char *name)
59 {
60 struct locdata *ldata;
61 struct lc_numeric *lnum;
62 int ret;
63
64 if ((ldata = __locdata_alloc(name, sizeof (*lnum))) == NULL) {
65 errno = EINVAL;
66 return (NULL);
67 }
68 lnum = ldata->l_data[0];
69
70 ret = __part_load_locale(name, (char **)&ldata->l_data[1],
71 "LC_NUMERIC", LCNUMERIC_SIZE, LCNUMERIC_SIZE, (const char **)lnum);
72
73 if (ret != _LDP_LOADED) {
74 __locdata_free(ldata);
75 return (NULL);
76 }
77
78 /* Can't be empty according to C99 */
79 if (*lnum->decimal_point == '\0')
80 lnum->decimal_point = lc_numeric_posix.decimal_point;
81 lnum->grouping = __fix_locale_grouping_str(lnum->grouping);
82
83 return (ldata);
84 }
85