toolchain/gcc/newlib/libc/locale/lmonetary.c

   1 /*
   2  * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28
  29 #include <limits.h>
  30 #include <stdlib.h>
  31 #include "lmonetary.h"
  32 #include "ldpart.h"
  33
  34 extern int __mlocale_changed;
  35 extern const char * __fix_locale_grouping_str(const char *);
  36
  37 #define LCMONETARY_SIZE (sizeof(struct lc_monetary_T) / sizeof(char *))
  38
  39 static char     empty[] = "";
  40 static char     numempty[] = { CHAR_MAX, '\0'};
  41
  42 static const struct lc_monetary_T _C_monetary_locale = {
  43         empty,          /* int_curr_symbol */
  44         empty,          /* currency_symbol */
  45         empty,          /* mon_decimal_point */
  46         empty,          /* mon_thousands_sep */
  47         numempty,       /* mon_grouping */
  48         empty,          /* positive_sign */
  49         empty,          /* negative_sign */
  50         numempty,       /* int_frac_digits */
  51         numempty,       /* frac_digits */
  52         numempty,       /* p_cs_precedes */
  53         numempty,       /* p_sep_by_space */
  54         numempty,       /* n_cs_precedes */
  55         numempty,       /* n_sep_by_space */
  56         numempty,       /* p_sign_posn */
  57         numempty        /* n_sign_posn */
  58 };
  59
  60 static struct lc_monetary_T _monetary_locale;
  61 static int      _monetary_using_locale;
  62 static char     *_monetary_locale_buf;
  63
  64 static char
  65 cnv(const char *str) {
  66         int i = strtol(str, NULL, 10);
  67         if (i == -1)
  68                 i = CHAR_MAX;
  69         return (char)i;
  70 }
  71
  72 int
  73 __monetary_load_locale(const char *name) {
  74
  75         int ret;
  76         __mlocale_changed = 1;
  77         ret = __part_load_locale(name, &_monetary_using_locale,
  78                 _monetary_locale_buf, "LC_MONETARY",
  79                 LCMONETARY_SIZE, LCMONETARY_SIZE,
  80                 (const char **)&_monetary_locale);
  81         if (ret == 0 && _monetary_using_locale) {
  82                 _monetary_locale.mon_grouping =
  83                      __fix_locale_grouping_str(_monetary_locale.mon_grouping);
  84
  85 #define M_ASSIGN_CHAR(NAME) (((char *)_monetary_locale.NAME)[0] = \
  86                              cnv(_monetary_locale.NAME))
  87
  88                 M_ASSIGN_CHAR(int_frac_digits);
  89                 M_ASSIGN_CHAR(frac_digits);
  90                 M_ASSIGN_CHAR(p_cs_precedes);
  91                 M_ASSIGN_CHAR(p_sep_by_space);
  92                 M_ASSIGN_CHAR(n_cs_precedes);
  93                 M_ASSIGN_CHAR(n_sep_by_space);
  94                 M_ASSIGN_CHAR(p_sign_posn);
  95                 M_ASSIGN_CHAR(n_sign_posn);
  96         }
  97         return ret;
  98 }
  99
 100 struct lc_monetary_T *
 101 __get_current_monetary_locale(void) {
 102
 103         return (_monetary_using_locale
 104                 ? &_monetary_locale
 105                 : (struct lc_monetary_T *)&_C_monetary_locale);
 106 }
 107
 108 #ifdef LOCALE_DEBUG
 109 void
 110 monetdebug() {
 111 printf( "int_curr_symbol = %s\n"
 112         "currency_symbol = %s\n"
 113         "mon_decimal_point = %s\n"
 114         "mon_thousands_sep = %s\n"
 115         "mon_grouping = %s\n"
 116         "positive_sign = %s\n"
 117         "negative_sign = %s\n"
 118         "int_frac_digits = %d\n"
 119         "frac_digits = %d\n"
 120         "p_cs_precedes = %d\n"
 121         "p_sep_by_space = %d\n"
 122         "n_cs_precedes = %d\n"
 123         "n_sep_by_space = %d\n"
 124         "p_sign_posn = %d\n"
 125         "n_sign_posn = %d\n",
 126         _monetary_locale.int_curr_symbol,
 127         _monetary_locale.currency_symbol,
 128         _monetary_locale.mon_decimal_point,
 129         _monetary_locale.mon_thousands_sep,
 130         _monetary_locale.mon_grouping,
 131         _monetary_locale.positive_sign,
 132         _monetary_locale.negative_sign,
 133         _monetary_locale.int_frac_digits[0],
 134         _monetary_locale.frac_digits[0],
 135         _monetary_locale.p_cs_precedes[0],
 136         _monetary_locale.p_sep_by_space[0],
 137         _monetary_locale.n_cs_precedes[0],
 138         _monetary_locale.n_sep_by_space[0],
 139         _monetary_locale.p_sign_posn[0],
 140         _monetary_locale.n_sign_posn[0]
 141 );
 142 }
 143 #endif /* LOCALE_DEBUG */