xref: /netbsd-src/lib/libc/locale/localeconv.c (revision 528957a005efd089e4aba72012aa2645d7da5990)
1 /*
2  * Written by J.T. Conklin <jtc@netbsd.org>.
3  * Public domain.
4  */
5 
6 #if defined(LIBC_SCCS) && !defined(lint)
7 static char *rcsid = "$Id: localeconv.c,v 1.6 1995/04/28 23:19:32 jtc Exp $";
8 #endif /* LIBC_SCCS and not lint */
9 
10 #include <sys/localedef.h>
11 #include <locale.h>
12 
13 /*
14  * The localeconv() function constructs a struct lconv from the current
15  * monetary and numeric locales.
16  *
17  * Because localeconv() may be called many times (especially by library
18  * routines like printf() & strtod()), the approprate members of the
19  * lconv structure are computed only when the monetary or numeric
20  * locale has been changed.
21  */
22 int __mlocale_changed = 1;
23 int __nlocale_changed = 1;
24 
25 /*
26  * Return the current locale conversion.
27  */
28 struct lconv *
29 localeconv()
30 {
31     static struct lconv ret;
32 
33     if (__mlocale_changed) {
34 	/* LC_MONETARY */
35 	ret.int_curr_symbol	= _CurrentMonetaryLocale->int_curr_symbol;
36 	ret.currency_symbol	= _CurrentMonetaryLocale->currency_symbol;
37 	ret.mon_decimal_point	= _CurrentMonetaryLocale->mon_decimal_point;
38 	ret.mon_thousands_sep	= _CurrentMonetaryLocale->mon_thousands_sep;
39 	ret.mon_grouping	= _CurrentMonetaryLocale->mon_grouping;
40 	ret.positive_sign	= _CurrentMonetaryLocale->positive_sign;
41 	ret.negative_sign	= _CurrentMonetaryLocale->negative_sign;
42 	ret.int_frac_digits	= _CurrentMonetaryLocale->int_frac_digits;
43 	ret.frac_digits		= _CurrentMonetaryLocale->frac_digits;
44 	ret.p_cs_precedes	= _CurrentMonetaryLocale->p_cs_precedes;
45 	ret.p_sep_by_space	= _CurrentMonetaryLocale->p_sep_by_space;
46 	ret.n_cs_precedes	= _CurrentMonetaryLocale->n_cs_precedes;
47 	ret.n_sep_by_space	= _CurrentMonetaryLocale->n_sep_by_space;
48 	ret.p_sign_posn		= _CurrentMonetaryLocale->p_sign_posn;
49 	ret.n_sign_posn		= _CurrentMonetaryLocale->n_sign_posn;
50 	__mlocale_changed = 0;
51     }
52 
53     if (__nlocale_changed) {
54 	/* LC_NUMERIC */
55 	ret.decimal_point	= (char *) _CurrentNumericLocale->decimal_point;
56 	ret.thousands_sep	= (char *) _CurrentNumericLocale->thousands_sep;
57 	ret.grouping		= (char *) _CurrentNumericLocale->grouping;
58 	__nlocale_changed = 0;
59     }
60 
61     return (&ret);
62 }
63