lib/libc/locale/localeconv.c

   1 /*      $NetBSD: src/lib/libc/locale/localeconv.c,v 1.12 2004/01/02 21:53:49 itojun Exp $       */
   2 /*      $DragonFly: src/lib/libc/locale/localeconv.c,v 1.4 2007/09/20 07:40:51 hasso Exp $ */
   3
   4 /*
   5  * Written by J.T. Conklin <jtc@NetBSD.org>.
   6  * Public domain.
   7  */
   8
   9 #include <sys/localedef.h>
  10 #include <locale.h>
  11
  12 /*
  13  * The localeconv() function constructs a struct lconv from the current
  14  * monetary and numeric locales.
  15  *
  16  * Because localeconv() may be called many times (especially by library
  17  * routines like printf() & strtod()), the appropriate members of the
  18  * lconv structure are computed only when the monetary or numeric
  19  * locale has been changed.
  20  */
  21 int __mlocale_changed = 1;
  22 int __nlocale_changed = 1;
  23
  24 /*
  25  * Return the current locale conversion.
  26  */
  27 struct lconv *
  28 localeconv(void)
  29 {
  30         static struct lconv ret;
  31
  32         if (__mlocale_changed) {
  33                 /* LC_MONETARY */
  34                 ret.int_curr_symbol =
  35                     (char *)_CurrentMonetaryLocale->int_curr_symbol;
  36                 ret.currency_symbol =
  37                     (char *)_CurrentMonetaryLocale->currency_symbol;
  38                 ret.mon_decimal_point =
  39                     (char *)_CurrentMonetaryLocale->mon_decimal_point;
  40                 ret.mon_thousands_sep =
  41                     (char *)_CurrentMonetaryLocale->mon_thousands_sep;
  42                 ret.mon_grouping =
  43                     (char *)_CurrentMonetaryLocale->mon_grouping;
  44                 ret.positive_sign =
  45                     (char *)_CurrentMonetaryLocale->positive_sign;
  46                 ret.negative_sign =
  47                     (char *)_CurrentMonetaryLocale->negative_sign;
  48                 ret.int_frac_digits = _CurrentMonetaryLocale->int_frac_digits;
  49                 ret.frac_digits = _CurrentMonetaryLocale->frac_digits;
  50                 ret.p_cs_precedes = _CurrentMonetaryLocale->p_cs_precedes;
  51                 ret.p_sep_by_space = _CurrentMonetaryLocale->p_sep_by_space;
  52                 ret.n_cs_precedes = _CurrentMonetaryLocale->n_cs_precedes;
  53                 ret.n_sep_by_space = _CurrentMonetaryLocale->n_sep_by_space;
  54                 ret.p_sign_posn = _CurrentMonetaryLocale->p_sign_posn;
  55                 ret.n_sign_posn = _CurrentMonetaryLocale->n_sign_posn;
  56                 ret.int_p_cs_precedes =
  57                     _CurrentMonetaryLocale->int_p_cs_precedes;
  58                 ret.int_n_cs_precedes =
  59                     _CurrentMonetaryLocale->int_n_cs_precedes;
  60                 ret.int_p_sep_by_space =
  61                     _CurrentMonetaryLocale->int_p_sep_by_space;
  62                 ret.int_n_sep_by_space =
  63                     _CurrentMonetaryLocale->int_n_sep_by_space;
  64                 ret.int_p_sign_posn = _CurrentMonetaryLocale->int_p_sign_posn;
  65                 ret.int_n_sign_posn = _CurrentMonetaryLocale->int_n_sign_posn;
  66                 __mlocale_changed = 0;
  67         }
  68
  69         if (__nlocale_changed) {
  70                 /* LC_NUMERIC */
  71                 ret.decimal_point =
  72                     (char *)_CurrentNumericLocale->decimal_point;
  73                 ret.thousands_sep =
  74                     (char *)_CurrentNumericLocale->thousands_sep;
  75                 ret.grouping =
  76                     (char *)_CurrentNumericLocale->grouping;
  77                 __nlocale_changed = 0;
  78         }
  79
  80         return(&ret);
  81 }