xref: /netbsd-src/lib/libc/locale/localeconv.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*
2  * Copyright (c) 1993,94 Winning Strategies, Inc.
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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *      This product includes software developed by Winning Strategies, Inc.
16  * 4. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #if defined(LIBC_SCCS) && !defined(lint)
32 static char *rcsid = "$Id: localeconv.c,v 1.5 1994/09/29 04:57:29 jtc Exp $";
33 #endif /* LIBC_SCCS and not lint */
34 
35 #include <sys/localedef.h>
36 #include <locale.h>
37 
38 /*
39  * The localeconv() function constructs a struct lconv from the current
40  * monetary and numeric locales.
41  *
42  * Because localeconv() may be called many times (especially by library
43  * routines like printf() & strtod()), the approprate members of the
44  * lconv structure are computed only when the monetary or numeric
45  * locale has been changed.
46  */
47 int __mlocale_changed = 1;
48 int __nlocale_changed = 1;
49 
50 /*
51  * Return the current locale conversion.
52  */
53 struct lconv *
54 localeconv()
55 {
56     static struct lconv ret;
57 
58     if (__mlocale_changed) {
59 	/* LC_MONETARY */
60 	ret.int_curr_symbol	= _CurrentMonetaryLocale->int_curr_symbol;
61 	ret.currency_symbol	= _CurrentMonetaryLocale->currency_symbol;
62 	ret.mon_decimal_point	= _CurrentMonetaryLocale->mon_decimal_point;
63 	ret.mon_thousands_sep	= _CurrentMonetaryLocale->mon_thousands_sep;
64 	ret.mon_grouping	= _CurrentMonetaryLocale->mon_grouping;
65 	ret.positive_sign	= _CurrentMonetaryLocale->positive_sign;
66 	ret.negative_sign	= _CurrentMonetaryLocale->negative_sign;
67 	ret.int_frac_digits	= _CurrentMonetaryLocale->int_frac_digits;
68 	ret.frac_digits		= _CurrentMonetaryLocale->frac_digits;
69 	ret.p_cs_precedes	= _CurrentMonetaryLocale->p_cs_precedes;
70 	ret.p_sep_by_space	= _CurrentMonetaryLocale->p_sep_by_space;
71 	ret.n_cs_precedes	= _CurrentMonetaryLocale->n_cs_precedes;
72 	ret.n_sep_by_space	= _CurrentMonetaryLocale->n_sep_by_space;
73 	ret.p_sign_posn		= _CurrentMonetaryLocale->p_sign_posn;
74 	ret.n_sign_posn		= _CurrentMonetaryLocale->n_sign_posn;
75 	__mlocale_changed = 0;
76     }
77 
78     if (__nlocale_changed) {
79 	/* LC_NUMERIC */
80 	ret.decimal_point	= (char *) _CurrentNumericLocale->decimal_point;
81 	ret.thousands_sep	= (char *) _CurrentNumericLocale->thousands_sep;
82 	ret.grouping		= (char *) _CurrentNumericLocale->grouping;
83 	__nlocale_changed = 0;
84     }
85 
86     return (&ret);
87 }
88