/* mmap with error checking.

   Copyright (C) 2016-2018 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 <support/check.h>

#include <support/xunistd.h>

#include <sys/mman.h>

void *

xmmap (void *addr, size_t length, int prot, int flags, int fd)

{

  void *result = mmap (addr, length, prot, flags, fd, 0);

  if (result == MAP_FAILED)

    FAIL_EXIT1 ("mmap of %zu bytes, prot=0x%x, flags=0x%x: %m",

                length, prot, flags);

  return result;

}