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localeconv.c revision 1.13 
      1 /*	$NetBSD: localeconv.c,v 1.13 2005/11/29 03:11:59 christos Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin <jtc (at) NetBSD.org>.
      5  * Public domain.
      6  */
      7 
      8 #include <sys/cdefs.h>
      9 #if defined(LIBC_SCCS) && !defined(lint)
     10 __RCSID("$NetBSD: localeconv.c,v 1.13 2005/11/29 03:11:59 christos Exp $");
     11 #endif /* LIBC_SCCS and not lint */
     12 
     13 #include <sys/localedef.h>
     14 #include <locale.h>
     15 
     16 /*
     17  * The localeconv() function constructs a struct lconv from the current
     18  * monetary and numeric locales.
     19  *
     20  * Because localeconv() may be called many times (especially by library
     21  * routines like printf() & strtod()), the approprate members of the
     22  * lconv structure are computed only when the monetary or numeric
     23  * locale has been changed.
     24  */
     25 int __mlocale_changed = 1;
     26 int __nlocale_changed = 1;
     27 
     28 /*
     29  * Return the current locale conversion.
     30  */
     31 struct lconv *
     32 localeconv()
     33 {
     34 	static struct lconv ret;
     35 
     36 	if (__mlocale_changed) {
     37 		/* LC_MONETARY */
     38 		ret.int_curr_symbol =
     39 		    __UNCONST(_CurrentMonetaryLocale->int_curr_symbol);
     40 		ret.currency_symbol =
     41 		    __UNCONST(_CurrentMonetaryLocale->currency_symbol);
     42 		ret.mon_decimal_point =
     43 		    __UNCONST(_CurrentMonetaryLocale->mon_decimal_point);
     44 		ret.mon_thousands_sep =
     45 		    __UNCONST(_CurrentMonetaryLocale->mon_thousands_sep);
     46 		ret.mon_grouping =
     47 		    __UNCONST(_CurrentMonetaryLocale->mon_grouping);
     48 		ret.positive_sign =
     49 		    __UNCONST(_CurrentMonetaryLocale->positive_sign);
     50 		ret.negative_sign =
     51 		    __UNCONST(_CurrentMonetaryLocale->negative_sign);
     52 		ret.int_frac_digits = _CurrentMonetaryLocale->int_frac_digits;
     53 		ret.frac_digits = _CurrentMonetaryLocale->frac_digits;
     54 		ret.p_cs_precedes = _CurrentMonetaryLocale->p_cs_precedes;
     55 		ret.p_sep_by_space = _CurrentMonetaryLocale->p_sep_by_space;
     56 		ret.n_cs_precedes = _CurrentMonetaryLocale->n_cs_precedes;
     57 		ret.n_sep_by_space = _CurrentMonetaryLocale->n_sep_by_space;
     58 		ret.p_sign_posn = _CurrentMonetaryLocale->p_sign_posn;
     59 		ret.n_sign_posn = _CurrentMonetaryLocale->n_sign_posn;
     60 		ret.int_p_cs_precedes =
     61 		    _CurrentMonetaryLocale->int_p_cs_precedes;
     62 		ret.int_n_cs_precedes =
     63 		    _CurrentMonetaryLocale->int_n_cs_precedes;
     64 		ret.int_p_sep_by_space =
     65 		    _CurrentMonetaryLocale->int_p_sep_by_space;
     66 		ret.int_n_sep_by_space =
     67 		    _CurrentMonetaryLocale->int_n_sep_by_space;
     68 		ret.int_p_sign_posn = _CurrentMonetaryLocale->int_p_sign_posn;
     69 		ret.int_n_sign_posn = _CurrentMonetaryLocale->int_n_sign_posn;
     70 		__mlocale_changed = 0;
     71 	}
     72 
     73 	if (__nlocale_changed) {
     74 		/* LC_NUMERIC */
     75 		ret.decimal_point =
     76 		    __UNCONST(_CurrentNumericLocale->decimal_point);
     77 		ret.thousands_sep =
     78 		    __UNCONST(_CurrentNumericLocale->thousands_sep);
     79 		ret.grouping =
     80 		    __UNCONST(_CurrentNumericLocale->grouping);
     81 		__nlocale_changed = 0;
     82 	}
     83 
     84 	return (&ret);
     85 }
     86