1  /* Test of test for initial conversion state.
       2     Copyright (C) 2008-2022 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program 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
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  /* Written by Bruno Haible <bruno@clisp.org>, 2008.  */
      18  
      19  #include <config.h>
      20  
      21  #include <wchar.h>
      22  
      23  #include "signature.h"
      24  SIGNATURE_CHECK (mbsinit, int, (const mbstate_t *));
      25  
      26  #include <locale.h>
      27  
      28  #include "macros.h"
      29  
      30  int
      31  main (int argc, char *argv[])
      32  {
      33    static mbstate_t state;
      34  
      35    ASSERT (mbsinit (NULL));
      36  
      37    ASSERT (mbsinit (&state));
      38  
      39    if (argc > 1)
      40      {
      41        static const char input[1] = "\303";
      42        wchar_t wc;
      43        size_t ret;
      44  
      45        /* configure should already have checked that the locale is supported.  */
      46        if (setlocale (LC_ALL, "") == NULL)
      47          return 1;
      48  
      49        ret = mbrtowc (&wc, input, 1, &state);
      50        ASSERT (ret == (size_t)(-2));
      51        ASSERT (!mbsinit (&state));
      52      }
      53  
      54    return 0;
      55  }