1 /* provide a replacement openat function
2 Copyright (C) 2004, 2005 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* written by Jim Meyering */
22 #include <sys/types.h>
28 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
29 # define __attribute__(x) /* empty */
33 #ifndef ATTRIBUTE_NORETURN
34 # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
38 # define AT_FDCWD (-3041965) /* same value as Solaris 9 */
39 # define AT_SYMLINK_NOFOLLOW 4096 /* same value as Solaris 9 */
40 # define AT_REMOVEDIR (0x1) /* same value as Solaris 9 */
42 # ifdef __OPENAT_PREFIX
44 # define __OPENAT_CONCAT(x, y) x ## y
45 # define __OPENAT_XCONCAT(x, y) __OPENAT_CONCAT (x, y)
46 # define __OPENAT_ID(y) __OPENAT_XCONCAT (__OPENAT_PREFIX, y)
47 # define openat __OPENAT_ID (openat)
48 int openat (int fd, char const *file, int flags, /* mode_t mode */ ...);
50 # define fdopendir __OPENAT_ID (fdopendir)
52 DIR *fdopendir (int fd);
53 # define fstatat __OPENAT_ID (fstatat)
54 int fstatat (int fd, char const *file, struct stat *st, int flag);
55 # define unlinkat __OPENAT_ID (unlinkat)
56 int unlinkat (int fd, char const *file, int flag);
57 void openat_restore_fail (int) ATTRIBUTE_NORETURN;
58 void openat_save_fail (int) ATTRIBUTE_NORETURN;
60 # define openat_restore_fail(Errno) /* empty */
61 # define openat_save_fail(Errno) /* empty */