newlib/libc/locale/lnumeric.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 "setlocale.h"
  28
  29 #define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *))
  30
  31 static char     numempty[] = { CHAR_MAX, '\0' };
  32
  33 const struct lc_numeric_T _C_numeric_locale = {
  34         ".",                            /* decimal_point */
  35         "",                             /* thousands_sep */
  36         numempty                        /* grouping */
  37 #ifdef __HAVE_LOCALE_INFO_EXTENDED__
  38         , "ASCII",                      /* codeset */
  39         L".",                           /* wdecimal_point */
  40         L"",                            /* wthousands_sep */
  41 #endif
  42 };
  43
  44 int
  45 __numeric_load_locale (struct __locale_t *locale, const char *name ,
  46                        void *f_wctomb, const char *charset)
  47 {
  48   int ret;
  49   struct lc_numeric_T nm;
  50   char *bufp = NULL;
  51
  52 #ifdef __CYGWIN__
  53   extern int __set_lc_numeric_from_win (const char *,
  54                                         const struct lc_numeric_T *,
  55                                         struct lc_numeric_T *, char **,
  56                                         void *, const char *);
  57   ret = __set_lc_numeric_from_win (name, &_C_numeric_locale, &nm, &bufp,
  58                                    f_wctomb, charset);
  59   /* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
  60   if (ret >= 0)
  61     {
  62       struct lc_numeric_T *nmp = NULL;
  63
  64       if (ret > 0)
  65         {
  66           nmp = (struct lc_numeric_T *) calloc (1, sizeof *nmp);
  67           if (!nmp)
  68             {
  69               free (bufp);
  70               return -1;
  71             }
  72           *nmp = nm;
  73         }
  74       struct __lc_cats tmp = locale->lc_cat[LC_NUMERIC];
  75       locale->lc_cat[LC_NUMERIC].ptr = ret == 0 ? &_C_numeric_locale : nmp;
  76       locale->lc_cat[LC_NUMERIC].buf = bufp;
  77       /* If buf is not NULL, both pointers have been alloc'ed */
  78       if (tmp.buf)
  79         {
  80           free ((void *) tmp.ptr);
  81           free (tmp.buf);
  82         }
  83       ret = 0;
  84     }
  85 #else
  86   /* TODO */
  87 #endif
  88   return ret;
  89 }