/* Ensure that malloc_usable_size returns the request size with

   MALLOC_CHECK_ exported to a positive value.

   Copyright (C) 2012-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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 <malloc.h>

#include <string.h>

#include <stdio.h>

static int

do_test (void)

{

  size_t usable_size;

  void *p = malloc (7);

  if (!p)

    {

      printf ("memory allocation failed\n");

      return 1;

    }

  usable_size = malloc_usable_size (p);

  if (usable_size != 7)

    {

      printf ("malloc_usable_size: expected 7 but got %zu\n", usable_size);

      return 1;

    }

  memset (p, 0, usable_size);

  free (p);

  return 0;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"