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 "setlocale.h"
  32
  33 #define LCMONETARY_SIZE (sizeof(struct lc_monetary_T) / sizeof(char *))
  34
  35 static char     empty[] = "";
  36 static char     numempty[] = { CHAR_MAX, '\0'};
  37 #ifdef __HAVE_LOCALE_INFO_EXTENDED__
  38 static wchar_t  wempty[] = L"";
  39 #endif
  40
  41 const struct lc_monetary_T _C_monetary_locale = {
  42         empty,          /* int_curr_symbol */
  43         empty,          /* currency_symbol */
  44         empty,          /* mon_decimal_point */
  45         empty,          /* mon_thousands_sep */
  46         numempty,       /* mon_grouping */
  47         empty,          /* positive_sign */
  48         empty,          /* negative_sign */
  49         numempty,       /* int_frac_digits */
  50         numempty,       /* frac_digits */
  51         numempty,       /* p_cs_precedes */
  52         numempty,       /* p_sep_by_space */
  53         numempty,       /* n_cs_precedes */
  54         numempty,       /* n_sep_by_space */
  55         numempty,       /* p_sign_posn */
  56         numempty        /* n_sign_posn */
  57 #ifdef __HAVE_LOCALE_INFO_EXTENDED__
  58         , numempty,     /* int_p_cs_precedes */
  59         numempty,       /* int_p_sep_by_space */
  60         numempty,       /* int_n_cs_precedes */
  61         numempty,       /* int_n_sep_by_space */
  62         numempty,       /* int_p_sign_posn */
  63         numempty,       /* int_n_sign_posn */
  64         "ASCII",        /* codeset */
  65         wempty,         /* wint_curr_symbol */
  66         wempty,         /* wcurrency_symbol */
  67         wempty,         /* wmon_decimal_point */
  68         wempty,         /* wmon_thousands_sep */
  69         wempty,         /* wpositive_sign */
  70         wempty          /* wnegative_sign */
  71 #endif
  72 };
  73
  74 #ifndef __CYGWIN__
  75 static struct lc_monetary_T _monetary_locale;
  76 static int      _monetary_using_locale;
  77 static char     *_monetary_locale_buf;
  78
  79 static char
  80 cnv(const char *str) {
  81         int i = strtol(str, NULL, 10);
  82         if (i == -1)
  83                 i = CHAR_MAX;
  84         return (char)i;
  85 }
  86 #endif
  87
  88 int
  89 __monetary_load_locale (struct __locale_t *locale, const char *name ,
  90                         void *f_wctomb, const char *charset)
  91 {
  92   int ret;
  93   struct lc_monetary_T mo;
  94   char *bufp = NULL;
  95
  96 #ifdef __CYGWIN__
  97   extern int __set_lc_monetary_from_win (const char *,
  98                                          const struct lc_monetary_T *,
  99                                          struct lc_monetary_T *, char **,
 100                                          void *, const char *);
 101   ret = __set_lc_monetary_from_win (name, &_C_monetary_locale, &mo, &bufp,
 102                                     f_wctomb, charset);
 103   /* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
 104   if (ret >= 0)
 105     {
 106       struct lc_monetary_T *mop = NULL;
 107
 108       if (ret > 0)
 109         {
 110           mop = (struct lc_monetary_T *) calloc (1, sizeof *mop);
 111           if (!mop)
 112             {
 113               free (bufp);
 114               return -1;
 115             }
 116           *mop = mo;
 117         }
 118       struct __lc_cats tmp = locale->lc_cat[LC_MONETARY];
 119       locale->lc_cat[LC_MONETARY].ptr = ret == 0 ? &_C_monetary_locale : mop;
 120       locale->lc_cat[LC_MONETARY].buf = bufp;
 121       /* If buf is not NULL, both pointers have been alloc'ed */
 122       if (tmp.buf)
 123         {
 124           free ((void *) tmp.ptr);
 125           free (tmp.buf);
 126         }
 127       ret = 0;
 128     }
 129 #else
 130   /* TODO */
 131 #endif
 132   return ret;
 133 }