/* Copyright (C) 1999-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1999.

   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 <errno.h>

#include <malloc.h>

#include <stdio.h>

#include <libc-diag.h>

static int errors = 0;

static void

merror (const char *msg)

{

  ++errors;

  printf ("Error: %s\n", msg);

}

static int

do_test (void)

{

  void *p, *q;

  int save;

  errno = 0;

  DIAG_PUSH_NEEDS_COMMENT;

#if __GNUC_PREREQ (7, 0)

  /* GCC 7 warns about too-large allocations; here we want to test

     that they fail.  */

  DIAG_IGNORE_NEEDS_COMMENT (7, "-Walloc-size-larger-than=");

#endif

  p = malloc (-1);

  DIAG_POP_NEEDS_COMMENT;

  save = errno;

  if (p != NULL)

    merror ("malloc (-1) succeeded.");

  if (p == NULL && save != ENOMEM)

    merror ("errno is not set correctly");

  p = malloc (10);

  if (p == NULL)

    merror ("malloc (10) failed.");

  /* realloc (p, 0) == free (p).  */

  p = realloc (p, 0);

  if (p != NULL)

    merror ("realloc (p, 0) failed.");

  p = malloc (0);

  if (p == NULL)

    merror ("malloc (0) failed.");

  p = realloc (p, 0);

  if (p != NULL)

    merror ("realloc (p, 0) failed.");

  p = malloc (513 * 1024);

  if (p == NULL)

    merror ("malloc (513K) failed.");

  DIAG_PUSH_NEEDS_COMMENT;

#if __GNUC_PREREQ (7, 0)

  /* GCC 7 warns about too-large allocations; here we want to test

     that they fail.  */

  DIAG_IGNORE_NEEDS_COMMENT (7, "-Walloc-size-larger-than=");

#endif

  q = malloc (-512 * 1024);

  DIAG_POP_NEEDS_COMMENT;

  if (q != NULL)

    merror ("malloc (-512K) succeeded.");

  free (p);

  return errors != 0;

}

#define TEST_FUNCTION do_test ()

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