lmonetary.c revision 101470 
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 101470 2002-08-07 16:45:23Z ache $");
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{
68	int i = strtol(str, NULL, 10);
69
70	if (i == -1)
71		i = CHAR_MAX;
72	return ((char)i);
73}
74
75int
76__monetary_load_locale(const char *name)
77{
78	int ret;
79
80	__mlocale_changed = 1;
81	ret = __part_load_locale(name, &_monetary_using_locale,
82		_monetary_locale_buf, "LC_MONETARY",
83		LCMONETARY_SIZE, LCMONETARY_SIZE,
84		(const char **)&_monetary_locale);
85	if (ret == 0 && _monetary_using_locale) {
86		_monetary_locale.mon_grouping =
87		     __fix_locale_grouping_str(_monetary_locale.mon_grouping);
88
89#define M_ASSIGN_CHAR(NAME) (((char *)_monetary_locale.NAME)[0] = \
90			     cnv(_monetary_locale.NAME))
91
92		M_ASSIGN_CHAR(int_frac_digits);
93		M_ASSIGN_CHAR(frac_digits);
94		M_ASSIGN_CHAR(p_cs_precedes);
95		M_ASSIGN_CHAR(p_sep_by_space);
96		M_ASSIGN_CHAR(n_cs_precedes);
97		M_ASSIGN_CHAR(n_sep_by_space);
98		M_ASSIGN_CHAR(p_sign_posn);
99		M_ASSIGN_CHAR(n_sign_posn);
100	}
101	return (ret);
102}
103
104struct lc_monetary_T *
105__get_current_monetary_locale(void)
106{
107	return (_monetary_using_locale
108		? &_monetary_locale
109		: (struct lc_monetary_T *)&_C_monetary_locale);
110}
111
112#ifdef LOCALE_DEBUG
113void
114monetdebug() {
115printf(	"int_curr_symbol = %s\n"
116	"currency_symbol = %s\n"
117	"mon_decimal_point = %s\n"
118	"mon_thousands_sep = %s\n"
119	"mon_grouping = %s\n"
120	"positive_sign = %s\n"
121	"negative_sign = %s\n"
122	"int_frac_digits = %d\n"
123	"frac_digits = %d\n"
124	"p_cs_precedes = %d\n"
125	"p_sep_by_space = %d\n"
126	"n_cs_precedes = %d\n"
127	"n_sep_by_space = %d\n"
128	"p_sign_posn = %d\n"
129	"n_sign_posn = %d\n",
130	_monetary_locale.int_curr_symbol,
131	_monetary_locale.currency_symbol,
132	_monetary_locale.mon_decimal_point,
133	_monetary_locale.mon_thousands_sep,
134	_monetary_locale.mon_grouping,
135	_monetary_locale.positive_sign,
136	_monetary_locale.negative_sign,
137	_monetary_locale.int_frac_digits[0],
138	_monetary_locale.frac_digits[0],
139	_monetary_locale.p_cs_precedes[0],
140	_monetary_locale.p_sep_by_space[0],
141	_monetary_locale.n_cs_precedes[0],
142	_monetary_locale.n_sep_by_space[0],
143	_monetary_locale.p_sign_posn[0],
144	_monetary_locale.n_sign_posn[0]
145);
146}
147#endif /* LOCALE_DEBUG */
148