lnumeric.c revision 72408 
1/*
2 * Copyright (c) 2000, 2001 Alexey Zelkin
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/libc/locale/lnumeric.c 72408 2001-02-12 08:56:39Z phantom $
27 */
28
29#include <limits.h>
30#include "lnumeric.h"
31#include "ldpart.h"
32
33extern int __nlocale_changed;
34extern const char * __fix_locale_grouping_str(const char *);
35
36#define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *))
37
38static char     numempty[] = { CHAR_MAX, '\0' };
39
40static const struct lc_numeric_T _C_numeric_locale = {
41	".",     /* decimal_point */
42	"",      /* thousands_sep */
43	numempty /* grouping */
44};
45
46static struct lc_numeric_T _numeric_locale;
47static int _numeric_using_locale;
48static char *	numeric_locale_buf;
49
50int
51__numeric_load_locale(const char *name) {
52
53	int ret;
54
55	__nlocale_changed = 1;
56	ret = __part_load_locale(name, &_numeric_using_locale,
57		numeric_locale_buf, "LC_NUMERIC", LCNUMERIC_SIZE,
58		(const char **)&_numeric_locale);
59	if (ret == 0 && _numeric_using_locale)
60		_numeric_locale.grouping =
61			__fix_locale_grouping_str(_numeric_locale.grouping);
62	return ret;
63}
64
65struct lc_numeric_T *
66__get_current_numeric_locale(void) {
67
68	return (_numeric_using_locale
69		? &_numeric_locale
70		: (struct lc_numeric_T *)&_C_numeric_locale);
71}
72
73#ifdef LOCALE_DEBUG
74void
75numericdebug(void) {
76printf(	"decimal_point = %s\n"
77	"thousands_sep = %s\n"
78	"grouping = %s\n",
79	_numeric_locale.decimal_point,
80	_numeric_locale.thousands_sep,
81	_numeric_locale.grouping
82);
83}
84#endif /* LOCALE_DEBUG */
85