1 /*
   2  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
   3  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Copyright (c) 2011 The FreeBSD Foundation
   8  * All rights reserved.
   9  * Portions of this software were developed by David Chisnall
  10  * under sponsorship from the FreeBSD Foundation.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36 
  37 #ifndef _LCONV_C99
  38 #define _LCONV_C99      /* so we get all the extensions */
  39 #endif
  40 
  41 #include "lint.h"
  42 #include <locale.h>
  43 #include "lmonetary.h"
  44 #include "lnumeric.h"
  45 
  46 /*
  47  * The localeconv() function constructs a struct lconv from the current
  48  * monetary and numeric locales.
  49  *
  50  * Because localeconv() may be called many times (especially by library
  51  * routines like printf() & strtod()), the approprate members of the
  52  * lconv structure are computed only when the monetary or numeric
  53  * locale has been changed.
  54  */
  55 
  56 /*
  57  * Return the current locale conversion.
  58  */
  59 struct lconv *
  60 localeconv_l(locale_t loc)
  61 {
  62         FIX_LOCALE(loc);
  63         struct lconv *ret = &loc->lconv;
  64 
  65         if (loc->monetary_locale_changed) {
  66                 /* LC_MONETARY part */
  67                 struct lc_monetary_T *mptr;
  68 
  69 #define M_ASSIGN_STR(NAME) (ret->NAME = (char *)mptr->NAME)
  70 #define M_ASSIGN_CHAR(NAME) (ret->NAME = mptr->NAME[0])
  71 
  72                 mptr = __get_current_monetary_locale(loc);
  73                 M_ASSIGN_STR(int_curr_symbol);
  74                 M_ASSIGN_STR(currency_symbol);
  75                 M_ASSIGN_STR(mon_decimal_point);
  76                 M_ASSIGN_STR(mon_thousands_sep);
  77                 M_ASSIGN_STR(mon_grouping);
  78                 M_ASSIGN_STR(positive_sign);
  79                 M_ASSIGN_STR(negative_sign);
  80                 M_ASSIGN_CHAR(int_frac_digits);
  81                 M_ASSIGN_CHAR(frac_digits);
  82                 M_ASSIGN_CHAR(p_cs_precedes);
  83                 M_ASSIGN_CHAR(p_sep_by_space);
  84                 M_ASSIGN_CHAR(n_cs_precedes);
  85                 M_ASSIGN_CHAR(n_sep_by_space);
  86                 M_ASSIGN_CHAR(p_sign_posn);
  87                 M_ASSIGN_CHAR(n_sign_posn);
  88                 M_ASSIGN_CHAR(int_p_cs_precedes);
  89                 M_ASSIGN_CHAR(int_n_cs_precedes);
  90                 M_ASSIGN_CHAR(int_p_sep_by_space);
  91                 M_ASSIGN_CHAR(int_n_sep_by_space);
  92                 M_ASSIGN_CHAR(int_p_sign_posn);
  93                 M_ASSIGN_CHAR(int_n_sign_posn);
  94                 loc->monetary_locale_changed = 0;
  95         }
  96 
  97         if (loc->numeric_locale_changed) {
  98                 /* LC_NUMERIC part */
  99                 struct lc_numeric_T *nptr;
 100 
 101 #define N_ASSIGN_STR(NAME) (ret->NAME = (char *)nptr->NAME)
 102 
 103                 nptr = __get_current_numeric_locale(loc);
 104                 N_ASSIGN_STR(decimal_point);
 105                 N_ASSIGN_STR(thousands_sep);
 106                 N_ASSIGN_STR(grouping);
 107                 loc->numeric_locale_changed = 0;
 108         }
 109 
 110         return (ret);
 111 }
 112 
 113 struct lconv *
 114 localeconv(void)
 115 {
 116         return (localeconv_l(__get_locale()));
 117 }