lib/libc/locale/lmonetary.c

   1 /*
   2  * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Copyright (c) 2011 The FreeBSD Foundation
   6  * All rights reserved.
   7  * Portions of this software were developed by David Chisnall
   8  * under sponsorship from the FreeBSD Foundation.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  * $FreeBSD: head/lib/libc/locale/lmonetary.c 227753 2011-11-20 14:45:42Z theraven $
  32  */
  33
  34
  35 #include <limits.h>
  36 #include <stddef.h>
  37 #include <stdlib.h>
  38
  39 #include "ldpart.h"
  40 #include "lmonetary.h"
  41
  42 extern const char * __fix_locale_grouping_str(const char *);
  43
  44 #define LCMONETARY_SIZE_FULL (sizeof(struct lc_monetary_T) / sizeof(char *))
  45 #define LCMONETARY_SIZE_MIN \
  46                 (offsetof(struct lc_monetary_T, int_p_cs_precedes) / \
  47                     sizeof(char *))
  48
  49 static char     empty[] = "";
  50 static char     numempty[] = { CHAR_MAX, '\0'};
  51
  52 static const struct lc_monetary_T _C_monetary_locale = {
  53         empty,          /* int_curr_symbol */
  54         empty,          /* currency_symbol */
  55         empty,          /* mon_decimal_point */
  56         empty,          /* mon_thousands_sep */
  57         numempty,       /* mon_grouping */
  58         empty,          /* positive_sign */
  59         empty,          /* negative_sign */
  60         numempty,       /* int_frac_digits */
  61         numempty,       /* frac_digits */
  62         numempty,       /* p_cs_precedes */
  63         numempty,       /* p_sep_by_space */
  64         numempty,       /* n_cs_precedes */
  65         numempty,       /* n_sep_by_space */
  66         numempty,       /* p_sign_posn */
  67         numempty,       /* n_sign_posn */
  68         numempty,       /* int_p_cs_precedes */
  69         numempty,       /* int_n_cs_precedes */
  70         numempty,       /* int_p_sep_by_space */
  71         numempty,       /* int_n_sep_by_space */
  72         numempty,       /* int_p_sign_posn */
  73         numempty        /* int_n_sign_posn */
  74 };
  75
  76 struct xlocale_monetary __xlocale_global_monetary;
  77
  78 static char
  79 cnv(const char *str)
  80 {
  81         int i = strtol(str, NULL, 10);
  82
  83         if (i == -1)
  84                 i = CHAR_MAX;
  85         return ((char)i);
  86 }
  87
  88 static void
  89 destruct_monetary(void *v)
  90 {
  91         struct xlocale_monetary *l = v;
  92         if (l->buffer)
  93                 free(l->buffer);
  94         free(l);
  95 }
  96
  97 static int
  98 monetary_load_locale_l(struct xlocale_monetary *loc, int *using_locale,
  99                 int *changed, const char *name)
 100 {
 101         int ret;
 102         struct lc_monetary_T *l = &loc->locale;
 103
 104         ret = __part_load_locale(name, using_locale,
 105                 &loc->buffer, "LC_MONETARY",
 106                 LCMONETARY_SIZE_FULL, LCMONETARY_SIZE_MIN,
 107                 (const char **)l);
 108         if (ret != _LDP_ERROR)
 109                 *changed = 1;
 110         if (ret == _LDP_LOADED) {
 111                 l->mon_grouping =
 112                      __fix_locale_grouping_str(l->mon_grouping);
 113
 114 #define M_ASSIGN_CHAR(NAME) (((char *)l->NAME)[0] = \
 115                              cnv(l->NAME))
 116
 117                 M_ASSIGN_CHAR(int_frac_digits);
 118                 M_ASSIGN_CHAR(frac_digits);
 119                 M_ASSIGN_CHAR(p_cs_precedes);
 120                 M_ASSIGN_CHAR(p_sep_by_space);
 121                 M_ASSIGN_CHAR(n_cs_precedes);
 122                 M_ASSIGN_CHAR(n_sep_by_space);
 123                 M_ASSIGN_CHAR(p_sign_posn);
 124                 M_ASSIGN_CHAR(n_sign_posn);
 125
 126                 /*
 127                  * The six additional C99 international monetary formatting
 128                  * parameters default to the national parameters when
 129                  * reading FreeBSD LC_MONETARY data files.
 130                  */
 131 #define M_ASSIGN_ICHAR(NAME)                                            \
 132                 do {                                                    \
 133                         if (l->int_##NAME == NULL)      \
 134                                 l->int_##NAME =         \
 135                                     l->NAME;            \
 136                         else                                            \
 137                                 M_ASSIGN_CHAR(int_##NAME);              \
 138                 } while (0)
 139
 140                 M_ASSIGN_ICHAR(p_cs_precedes);
 141                 M_ASSIGN_ICHAR(n_cs_precedes);
 142                 M_ASSIGN_ICHAR(p_sep_by_space);
 143                 M_ASSIGN_ICHAR(n_sep_by_space);
 144                 M_ASSIGN_ICHAR(p_sign_posn);
 145                 M_ASSIGN_ICHAR(n_sign_posn);
 146         }
 147         return (ret);
 148 }
 149 int
 150 __monetary_load_locale(const char *name)
 151 {
 152         return monetary_load_locale_l(&__xlocale_global_monetary,
 153                         &__xlocale_global_locale.using_monetary_locale,
 154                         &__xlocale_global_locale.monetary_locale_changed, name);
 155 }
 156 void* __monetary_load(const char *name, locale_t l)
 157 {
 158         struct xlocale_monetary *new = calloc(sizeof(struct xlocale_monetary), 1);
 159         new->header.header.destructor = destruct_monetary;
 160         if (monetary_load_locale_l(new, &l->using_monetary_locale,
 161                                 &l->monetary_locale_changed, name) == _LDP_ERROR)
 162         {
 163                 xlocale_release(new);
 164                 return NULL;
 165         }
 166         return new;
 167 }
 168
 169
 170 struct lc_monetary_T *
 171 __get_current_monetary_locale(locale_t loc)
 172 {
 173         return (loc->using_monetary_locale
 174                 ? &((struct xlocale_monetary*)loc->components[XLC_MONETARY])->locale
 175                 : (struct lc_monetary_T *)&_C_monetary_locale);
 176 }
 177
 178 #ifdef LOCALE_DEBUG
 179 void
 180 monetdebug() {
 181 printf( "int_curr_symbol = %s\n"
 182         "currency_symbol = %s\n"
 183         "mon_decimal_point = %s\n"
 184         "mon_thousands_sep = %s\n"
 185         "mon_grouping = %s\n"
 186         "positive_sign = %s\n"
 187         "negative_sign = %s\n"
 188         "int_frac_digits = %d\n"
 189         "frac_digits = %d\n"
 190         "p_cs_precedes = %d\n"
 191         "p_sep_by_space = %d\n"
 192         "n_cs_precedes = %d\n"
 193         "n_sep_by_space = %d\n"
 194         "p_sign_posn = %d\n"
 195         "n_sign_posn = %d\n",
 196         "int_p_cs_precedes = %d\n"
 197         "int_p_sep_by_space = %d\n"
 198         "int_n_cs_precedes = %d\n"
 199         "int_n_sep_by_space = %d\n"
 200         "int_p_sign_posn = %d\n"
 201         "int_n_sign_posn = %d\n",
 202         _monetary_locale.int_curr_symbol,
 203         _monetary_locale.currency_symbol,
 204         _monetary_locale.mon_decimal_point,
 205         _monetary_locale.mon_thousands_sep,
 206         _monetary_locale.mon_grouping,
 207         _monetary_locale.positive_sign,
 208         _monetary_locale.negative_sign,
 209         _monetary_locale.int_frac_digits[0],
 210         _monetary_locale.frac_digits[0],
 211         _monetary_locale.p_cs_precedes[0],
 212         _monetary_locale.p_sep_by_space[0],
 213         _monetary_locale.n_cs_precedes[0],
 214         _monetary_locale.n_sep_by_space[0],
 215         _monetary_locale.p_sign_posn[0],
 216         _monetary_locale.n_sign_posn[0],
 217         _monetary_locale.int_p_cs_precedes[0],
 218         _monetary_locale.int_p_sep_by_space[0],
 219         _monetary_locale.int_n_cs_precedes[0],
 220         _monetary_locale.int_n_sep_by_space[0],
 221         _monetary_locale.int_p_sign_posn[0],
 222         _monetary_locale.int_n_sign_posn[0]
 223 );
 224 }
 225 #endif /* LOCALE_DEBUG */