wcsmbs/tst-wcrtomb.c

   1 /* Copyright (C) 2000-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <locale.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <wchar.h>
  23
  24
  25 static int check_ascii (const char *locname);
  26
  27
  28 static int
  29 do_test (void)
  30 {
  31   int result = 0;
  32
  33   /* Check mapping of ASCII range for some character sets which have
  34      ASCII as a subset.  For those the wide char generated must have
  35      the same value.  */
  36   setlocale (LC_ALL, "C");
  37   result |= check_ascii (setlocale (LC_ALL, NULL));
  38
  39   setlocale (LC_ALL, "de_DE.UTF-8");
  40   result |= check_ascii (setlocale (LC_ALL, NULL));
  41
  42   setlocale (LC_ALL, "ja_JP.EUC-JP");
  43   result |= check_ascii (setlocale (LC_ALL, NULL));
  44
  45   return result;
  46 }
  47
  48
  49 static int
  50 check_ascii (const char *locname)
  51 {
  52   wchar_t wc;
  53   int res = 0;
  54
  55   printf ("Testing locale \"%s\":\n", locname);
  56
  57   for (wc = 0; wc <= 127; ++wc)
  58     {
  59       char buf[2 * MB_CUR_MAX];
  60       mbstate_t s;
  61       size_t n;
  62
  63       memset (buf, '\xff', sizeof (buf));
  64       memset (&s, '\0', sizeof (s));
  65
  66       n = wcrtomb (buf, wc, &s);
  67       if (n == (size_t) -1)
  68         {
  69           printf ("%s: '\\x%x': encoding error\n", locname, (int) wc);
  70           ++res;
  71         }
  72       else if (n == 0)
  73         {
  74           printf ("%s: '\\x%x': 0 returned\n", locname, (int) wc);
  75           ++res;
  76         }
  77       else if (n != 1)
  78         {
  79           printf ("%s: '\\x%x': not 1 returned\n", locname, (int) wc);
  80           ++res;
  81         }
  82       else if (wc != (wchar_t) buf[0])
  83         {
  84           printf ("%s: L'\\x%x': buf[0] != '\\x%x'\n", locname, (int) wc,
  85                   (int) wc);
  86           ++res;
  87         }
  88     }
  89
  90   printf (res == 1 ? "%d error\n" : "%d errors\n", res);
  91
  92   return res != 0;
  93 }
  94
  95 #include <support/test-driver.c>