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 1.3 2005/04/21 18:36:34 joerg 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 = _CurrentMonetaryLocale->int_curr_symbol;
  35                 ret.currency_symbol = _CurrentMonetaryLocale->currency_symbol;
  36                 ret.mon_decimal_point =
  37                     _CurrentMonetaryLocale->mon_decimal_point;
  38                 ret.mon_thousands_sep =
  39                     _CurrentMonetaryLocale->mon_thousands_sep;
  40                 ret.mon_grouping = _CurrentMonetaryLocale->mon_grouping;
  41                 ret.positive_sign = _CurrentMonetaryLocale->positive_sign;
  42                 ret.negative_sign = _CurrentMonetaryLocale->negative_sign;
  43                 ret.int_frac_digits = _CurrentMonetaryLocale->int_frac_digits;
  44                 ret.frac_digits = _CurrentMonetaryLocale->frac_digits;
  45                 ret.p_cs_precedes = _CurrentMonetaryLocale->p_cs_precedes;
  46                 ret.p_sep_by_space = _CurrentMonetaryLocale->p_sep_by_space;
  47                 ret.n_cs_precedes = _CurrentMonetaryLocale->n_cs_precedes;
  48                 ret.n_sep_by_space = _CurrentMonetaryLocale->n_sep_by_space;
  49                 ret.p_sign_posn = _CurrentMonetaryLocale->p_sign_posn;
  50                 ret.n_sign_posn = _CurrentMonetaryLocale->n_sign_posn;
  51                 ret.int_p_cs_precedes =
  52                     _CurrentMonetaryLocale->int_p_cs_precedes;
  53                 ret.int_n_cs_precedes =
  54                     _CurrentMonetaryLocale->int_n_cs_precedes;
  55                 ret.int_p_sep_by_space =
  56                     _CurrentMonetaryLocale->int_p_sep_by_space;
  57                 ret.int_n_sep_by_space =
  58                     _CurrentMonetaryLocale->int_n_sep_by_space;
  59                 ret.int_p_sign_posn = _CurrentMonetaryLocale->int_p_sign_posn;
  60                 ret.int_n_sign_posn = _CurrentMonetaryLocale->int_n_sign_posn;
  61                 __mlocale_changed = 0;
  62         }
  63
  64         if (__nlocale_changed) {
  65                 /* LC_NUMERIC */
  66                 /* LINTED const castaway */
  67                 ret.decimal_point =
  68                     (char *)_CurrentNumericLocale->decimal_point;
  69                 /* LINTED const castaway */
  70                 ret.thousands_sep =
  71                     (char *)_CurrentNumericLocale->thousands_sep;
  72                 /* LINTED const castaway */
  73                 ret.grouping = (char *) _CurrentNumericLocale->grouping;
  74                 __nlocale_changed = 0;
  75         }
  76
  77         return(&ret);
  78 }