/* Test NUL handling of mbsrtowcs.

   Copyright (C) 2004-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <stdio.h>

#include <string.h>

#include <wchar.h>

static int

do_test (void)

{

  const unsigned char buf[] = { 'a', 'b', '\0', 'c', 'd', '\0', 'e' };

  wchar_t out[sizeof (buf)];

  memset (out, '\xff', sizeof (out));

  mbstate_t state;

  memset (&state, '\0', sizeof (state));

  const char *in = (const char *) buf;

  size_t n = mbsrtowcs (out, &in, sizeof (out) / sizeof (wchar_t), &state);

  int result = 0;

  if (n != 2)

    {

      printf ("n = %zu, expected 2\n", n);

      result = 1;

    }

  if (in != NULL)

    {

      printf ("in = %p, expected NULL\n", in);

      result = 1;

    }

  if (out[0] != L'a')

    {

      printf ("out[0] = L'%lc', expected L'a'\n", (wint_t) out[0]);

      result = 1;

    }

  if (out[1] != L'b')

    {

      printf ("out[1] = L'%lc', expected L'b'\n", (wint_t) out[1]);

      result = 1;

    }

  if (out[2] != L'\0')

    {

      printf ("out[2] = L'%lc', expected L'\\0'\n", (wint_t) out[2]);

      result = 1;

    }

  return result;

}

#include <support/test-driver.c>