/* Syscall wrapper that do not set errno.  Linux version.

   Copyright (C) 2017-2018 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/>.  */

/* This function is used on maybe_enable_malloc_check (elf/dl-tunables.c)

   and to avoid having to build/use multiple versions if stack protection

   in enabled it is defined as inline.  */

static inline int

__access_noerrno (const char *pathname, int mode)

{

  int res;

  INTERNAL_SYSCALL_DECL (err);

#ifdef __NR_access

  res = INTERNAL_SYSCALL_CALL (access, err, pathname, mode);

#else

  res = INTERNAL_SYSCALL_CALL (faccessat, err, AT_FDCWD, pathname, mode);

#endif

  if (INTERNAL_SYSCALL_ERROR_P (res, err))

    return INTERNAL_SYSCALL_ERRNO (res, err);

  return 0;

}