lmonetary.c revision 92986 
1/*
2 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libc/locale/lmonetary.c 92986 2002-03-22 21:53:29Z obrien $");
29
30#include <limits.h>
31#include <stdlib.h>
32#include "lmonetary.h"
33#include "ldpart.h"
34
35extern int __mlocale_changed;
36extern const char * __fix_locale_grouping_str(const char *);
37
38#define LCMONETARY_SIZE (sizeof(struct lc_monetary_T) / sizeof(char *))
39
40static char	empty[] = "";
41static char	numempty[] = { CHAR_MAX, '\0'};
42
43static const struct lc_monetary_T _C_monetary_locale = {
44	empty,		/* int_curr_symbol */
45	empty,		/* currency_symbol */
46	empty,		/* mon_decimal_point */
47	empty,		/* mon_thousands_sep */
48	numempty,	/* mon_grouping */
49	empty,		/* positive_sign */
50	empty,		/* negative_sign */
51	numempty,	/* int_frac_digits */
52	numempty,	/* frac_digits */
53	numempty,	/* p_cs_precedes */
54	numempty,	/* p_sep_by_space */
55	numempty,	/* n_cs_precedes */
56	numempty,	/* n_sep_by_space */
57	numempty,	/* p_sign_posn */
58	numempty	/* n_sign_posn */
59};
60
61static struct lc_monetary_T _monetary_locale;
62static int	_monetary_using_locale;
63static char	*_monetary_locale_buf;
64
65static char
66cnv(const char *str) {
67	int i = strtol(str, NULL, 10);
68	if (i == -1)
69		i = CHAR_MAX;
70	return (char)i;
71}
72
73int
74__monetary_load_locale(const char *name) {
75
76	int ret;
77	__mlocale_changed = 1;
78	ret = __part_load_locale(name, &_monetary_using_locale,
79		_monetary_locale_buf, "LC_MONETARY",
80		LCMONETARY_SIZE, LCMONETARY_SIZE,
81		(const char **)&_monetary_locale);
82	if (ret == 0 && _monetary_using_locale) {
83		_monetary_locale.mon_grouping =
84		     __fix_locale_grouping_str(_monetary_locale.mon_grouping);
85
86#define M_ASSIGN_CHAR(NAME) (((char *)_monetary_locale.NAME)[0] = \
87			     cnv(_monetary_locale.NAME))
88
89		M_ASSIGN_CHAR(int_frac_digits);
90		M_ASSIGN_CHAR(frac_digits);
91		M_ASSIGN_CHAR(p_cs_precedes);
92		M_ASSIGN_CHAR(p_sep_by_space);
93		M_ASSIGN_CHAR(n_cs_precedes);
94		M_ASSIGN_CHAR(n_sep_by_space);
95		M_ASSIGN_CHAR(p_sign_posn);
96		M_ASSIGN_CHAR(n_sign_posn);
97	}
98	return ret;
99}
100
101struct lc_monetary_T *
102__get_current_monetary_locale(void) {
103
104	return (_monetary_using_locale
105		? &_monetary_locale
106		: (struct lc_monetary_T *)&_C_monetary_locale);
107}
108
109#ifdef LOCALE_DEBUG
110void
111monetdebug() {
112printf(	"int_curr_symbol = %s\n"
113	"currency_symbol = %s\n"
114	"mon_decimal_point = %s\n"
115	"mon_thousands_sep = %s\n"
116	"mon_grouping = %s\n"
117	"positive_sign = %s\n"
118	"negative_sign = %s\n"
119	"int_frac_digits = %d\n"
120	"frac_digits = %d\n"
121	"p_cs_precedes = %d\n"
122	"p_sep_by_space = %d\n"
123	"n_cs_precedes = %d\n"
124	"n_sep_by_space = %d\n"
125	"p_sign_posn = %d\n"
126	"n_sign_posn = %d\n",
127	_monetary_locale.int_curr_symbol,
128	_monetary_locale.currency_symbol,
129	_monetary_locale.mon_decimal_point,
130	_monetary_locale.mon_thousands_sep,
131	_monetary_locale.mon_grouping,
132	_monetary_locale.positive_sign,
133	_monetary_locale.negative_sign,
134	_monetary_locale.int_frac_digits[0],
135	_monetary_locale.frac_digits[0],
136	_monetary_locale.p_cs_precedes[0],
137	_monetary_locale.p_sep_by_space[0],
138	_monetary_locale.n_cs_precedes[0],
139	_monetary_locale.n_sep_by_space[0],
140	_monetary_locale.p_sign_posn[0],
141	_monetary_locale.n_sign_posn[0]
142);
143}
144#endif /* LOCALE_DEBUG */
145