lmonetary.c revision 227753
1/*
2 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Copyright (c) 2011 The FreeBSD Foundation
6 * All rights reserved.
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/lib/libc/locale/lmonetary.c 227753 2011-11-20 14:45:42Z theraven $");
34
35#include <limits.h>
36#include <stddef.h>
37#include <stdlib.h>
38
39#include "ldpart.h"
40#include "lmonetary.h"
41
42extern const char * __fix_locale_grouping_str(const char *);
43
44#define LCMONETARY_SIZE_FULL (sizeof(struct lc_monetary_T) / sizeof(char *))
45#define LCMONETARY_SIZE_MIN \
46		(offsetof(struct lc_monetary_T, int_p_cs_precedes) / \
47		    sizeof(char *))
48
49static char	empty[] = "";
50static char	numempty[] = { CHAR_MAX, '\0'};
51
52static const struct lc_monetary_T _C_monetary_locale = {
53	empty,		/* int_curr_symbol */
54	empty,		/* currency_symbol */
55	empty,		/* mon_decimal_point */
56	empty,		/* mon_thousands_sep */
57	numempty,	/* mon_grouping */
58	empty,		/* positive_sign */
59	empty,		/* negative_sign */
60	numempty,	/* int_frac_digits */
61	numempty,	/* frac_digits */
62	numempty,	/* p_cs_precedes */
63	numempty,	/* p_sep_by_space */
64	numempty,	/* n_cs_precedes */
65	numempty,	/* n_sep_by_space */
66	numempty,	/* p_sign_posn */
67	numempty,	/* n_sign_posn */
68	numempty,	/* int_p_cs_precedes */
69	numempty,	/* int_n_cs_precedes */
70	numempty,	/* int_p_sep_by_space */
71	numempty,	/* int_n_sep_by_space */
72	numempty,	/* int_p_sign_posn */
73	numempty	/* int_n_sign_posn */
74};
75
76struct xlocale_monetary __xlocale_global_monetary;
77
78static char
79cnv(const char *str)
80{
81	int i = strtol(str, NULL, 10);
82
83	if (i == -1)
84		i = CHAR_MAX;
85	return ((char)i);
86}
87
88static void
89destruct_monetary(void *v)
90{
91	struct xlocale_monetary *l = v;
92	if (l->buffer)
93		free(l->buffer);
94	free(l);
95}
96
97static int
98monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
99		int *changed, const char *name)
100{
101	int ret;
102	struct lc_monetary_T *l = &loc->locale;
103
104	ret = __part_load_locale(name, using_locale,
105		&loc->buffer, "LC_MONETARY",
106		LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
107		(const char **)l);
108	if (ret != _LDP_ERROR)
109		*changed = 1;
110	if (ret == _LDP_LOADED) {
111		l->mon_grouping =
112		     __fix_locale_grouping_str(l->mon_grouping);
113
114#define M_ASSIGN_CHAR(NAME) (((char *)l->NAME)[0] = \
115			     cnv(l->NAME))
116
117		M_ASSIGN_CHAR(int_frac_digits);
118		M_ASSIGN_CHAR(frac_digits);
119		M_ASSIGN_CHAR(p_cs_precedes);
120		M_ASSIGN_CHAR(p_sep_by_space);
121		M_ASSIGN_CHAR(n_cs_precedes);
122		M_ASSIGN_CHAR(n_sep_by_space);
123		M_ASSIGN_CHAR(p_sign_posn);
124		M_ASSIGN_CHAR(n_sign_posn);
125
126		/*
127		 * The six additional C99 international monetary formatting
128		 * parameters default to the national parameters when
129		 * reading FreeBSD LC_MONETARY data files.
130		 */
131#define	M_ASSIGN_ICHAR(NAME)						\
132		do {							\
133			if (l->int_##NAME == NULL)	\
134				l->int_##NAME =		\
135				    l->NAME;		\
136			else						\
137				M_ASSIGN_CHAR(int_##NAME);		\
138		} while (0)
139
140		M_ASSIGN_ICHAR(p_cs_precedes);
141		M_ASSIGN_ICHAR(n_cs_precedes);
142		M_ASSIGN_ICHAR(p_sep_by_space);
143		M_ASSIGN_ICHAR(n_sep_by_space);
144		M_ASSIGN_ICHAR(p_sign_posn);
145		M_ASSIGN_ICHAR(n_sign_posn);
146	}
147	return (ret);
148}
149int
150__monetary_load_locale(const char *name)
151{
152	return monetary_load_locale_l(&__xlocale_global_monetary,
153			&__xlocale_global_locale.using_monetary_locale,
154			&__xlocale_global_locale.monetary_locale_changed, name);
155}
156void* __monetary_load(const char *name, locale_t l)
157{
158	struct xlocale_monetary *new = calloc(sizeof(struct xlocale_monetary), 1);
159	new->header.header.destructor = destruct_monetary;
160	if (monetary_load_locale_l(new, &l->using_monetary_locale,
161				&l->monetary_locale_changed, name) == _LDP_ERROR)
162	{
163		xlocale_release(new);
164		return NULL;
165	}
166	return new;
167}
168
169
170struct lc_monetary_T *
171__get_current_monetary_locale(locale_t loc)
172{
173	return (loc->using_monetary_locale
174		? &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale
175		: (struct lc_monetary_T *)&_C_monetary_locale);
176}
177
178#ifdef LOCALE_DEBUG
179void
180monetdebug() {
181printf(	"int_curr_symbol = %s\n"
182	"currency_symbol = %s\n"
183	"mon_decimal_point = %s\n"
184	"mon_thousands_sep = %s\n"
185	"mon_grouping = %s\n"
186	"positive_sign = %s\n"
187	"negative_sign = %s\n"
188	"int_frac_digits = %d\n"
189	"frac_digits = %d\n"
190	"p_cs_precedes = %d\n"
191	"p_sep_by_space = %d\n"
192	"n_cs_precedes = %d\n"
193	"n_sep_by_space = %d\n"
194	"p_sign_posn = %d\n"
195	"n_sign_posn = %d\n",
196	"int_p_cs_precedes = %d\n"
197	"int_p_sep_by_space = %d\n"
198	"int_n_cs_precedes = %d\n"
199	"int_n_sep_by_space = %d\n"
200	"int_p_sign_posn = %d\n"
201	"int_n_sign_posn = %d\n",
202	_monetary_locale.int_curr_symbol,
203	_monetary_locale.currency_symbol,
204	_monetary_locale.mon_decimal_point,
205	_monetary_locale.mon_thousands_sep,
206	_monetary_locale.mon_grouping,
207	_monetary_locale.positive_sign,
208	_monetary_locale.negative_sign,
209	_monetary_locale.int_frac_digits[0],
210	_monetary_locale.frac_digits[0],
211	_monetary_locale.p_cs_precedes[0],
212	_monetary_locale.p_sep_by_space[0],
213	_monetary_locale.n_cs_precedes[0],
214	_monetary_locale.n_sep_by_space[0],
215	_monetary_locale.p_sign_posn[0],
216	_monetary_locale.n_sign_posn[0],
217	_monetary_locale.int_p_cs_precedes[0],
218	_monetary_locale.int_p_sep_by_space[0],
219	_monetary_locale.int_n_cs_precedes[0],
220	_monetary_locale.int_n_sep_by_space[0],
221	_monetary_locale.int_p_sign_posn[0],
222	_monetary_locale.int_n_sign_posn[0]
223);
224}
225#endif /* LOCALE_DEBUG */
226