1  /* Test for invalid input to wcrtomb.
       2     Copyright (C) 2001-2023 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  }