1/* Test for access to file, relative to open directory. Stub version.
2 Copyright (C) 2006-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <fcntl.h>
21#include <stddef.h>
22#include <unistd.h>
23#include <sys/types.h>
24
25int
26faccessat (int fd, const char *file, int type, int flag)
27{
28 if (file == NULL || (flag & ~(AT_SYMLINK_NOFOLLOW | AT_EACCESS)) != 0
29 || (type & ~(R_OK|W_OK|X_OK|F_OK)) != 0)
30 {
31 __set_errno (EINVAL);
32 return -1;
33 }
34
35 if (fd < 0 && fd != AT_FDCWD)
36 {
37 __set_errno (EBADF);
38 return -1;
39 }
40
41 __set_errno (ENOSYS);
42 return -1;
43}
44stub_warning (faccessat)
45

source code of glibc/io/faccessat.c