/* Check cookie initialization for many auditors.  Auditor template.

   Copyright (C) 2019 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

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

/* The macro MOD must be defined to the number of this auditor (an

   integer) before including this file.  */

#include <link.h>

#include <stdio.h>

#include <unistd.h>

/* Error counter for delayed error reporting.  */

static int errors;

unsigned int

la_version (unsigned int version)

{

  return version;

}

unsigned int

la_objopen (struct link_map *map, Lmid_t lmid,

            uintptr_t *cookie)

{

  struct link_map *cookie_map = (struct link_map *) *cookie;

  printf ("info: %d, la_objopen: map=%p name=%s cookie=%p:%p diff=%td\n",

          MOD, map, map->l_name, cookie, cookie_map,

          (char *) cookie - (char *) map);

  fflush (stdout);

  if (map != cookie_map)

    {

      printf ("error: %d, la_objopen:"

              " map address does not match cookie value\n",

              MOD);

      fflush (stdout);

      ++errors;

    }

  return 0;

}

extern unsigned int

la_objclose (uintptr_t *__cookie)

{

  if (errors != 0)

    {

      printf ("error: exiting due to previous errors");

      _exit (1);

    }

  return 0;

}