1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* 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
|
