localedata/tst-mbswcs6.c

   1 /* Test for invalid input to wcrtomb.
   2    Copyright (C) 2001-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <locale.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <wchar.h>
  24
  25
  26 static int
  27 do_test (const char *loc)
  28 {
  29   char buf[100];
  30   size_t n;
  31   mbstate_t state;
  32   const char *nloc;
  33   int res;
  34
  35   nloc = setlocale (LC_ALL, loc);
  36   if (nloc == NULL)
  37     {
  38       printf ("could not set locale \"%s\"\n", loc);
  39       return 1;
  40     }
  41   printf ("new locale: %s\n", nloc);
  42
  43   memset (&state, '\0', sizeof (state));
  44   errno = 0;
  45   n = wcrtomb (buf, (wchar_t) -15l, &state);
  46
  47   printf ("n = %zd, errno = %d (%s)\n", n, errno, strerror (errno));
  48
  49   res = n != (size_t) -1 || errno != EILSEQ;
  50   if (res)
  51     puts ("*** FAIL");
  52   putchar ('\n');
  53
  54   return res;
  55 }
  56
  57
  58 int
  59 main (void)
  60 {
  61   int res;
  62
  63   res = do_test ("C");
  64   res |= do_test ("de_DE.ISO-8859-1");
  65   res |= do_test ("de_DE.UTF-8");
  66   res |= do_test ("en_US.ANSI_X3.4-1968");
  67   res |= do_test ("ja_JP.EUC-JP");
  68   res |= do_test ("hr_HR.ISO-8859-2");
  69   //res |= do_test ("ru_RU.KOI8-R");
  70
  71   return res;
  72 }