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/* provide a replacement openat function
   Copyright (C) 2004, 2005 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* written by Jim Meyering */

#include <fcntl.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>

#ifndef __attribute__
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
#  define __attribute__(x) /* empty */
# endif
#endif

#ifndef ATTRIBUTE_NORETURN
# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif

#ifndef AT_FDCWD
# define AT_FDCWD (-3041965)		/* same value as Solaris 9 */
# define AT_SYMLINK_NOFOLLOW 4096	/* same value as Solaris 9 */
# define AT_REMOVEDIR (0x1)		/* same value as Solaris 9 */

# ifdef __OPENAT_PREFIX
#  undef openat
#  define __OPENAT_CONCAT(x, y) x ## y
#  define __OPENAT_XCONCAT(x, y) __OPENAT_CONCAT (x, y)
#  define __OPENAT_ID(y) __OPENAT_XCONCAT (__OPENAT_PREFIX, y)
#  define openat __OPENAT_ID (openat)
int openat (int fd, char const *file, int flags, /* mode_t mode */ ...);
#  if ! HAVE_FDOPENDIR
#   define fdopendir __OPENAT_ID (fdopendir)
#  endif
DIR *fdopendir (int fd);
#  define fstatat __OPENAT_ID (fstatat)
int fstatat (int fd, char const *file, struct stat *st, int flag);
#  define unlinkat __OPENAT_ID (unlinkat)
int unlinkat (int fd, char const *file, int flag);
void openat_restore_fail (int) ATTRIBUTE_NORETURN;
void openat_save_fail (int) ATTRIBUTE_NORETURN;
# else
#  define openat_restore_fail(Errno) /* empty */
#  define openat_save_fail(Errno) /* empty */
# endif

#endif