1/* Linux implementation for access function.
2 Copyright (C) 2016-2017 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 <http://www.gnu.org/licenses/>. */
18
19#include <fcntl.h>
20#include <unistd.h>
21#include <sysdep-cancel.h>
22
23int
24__access_noerrno (const char *file, int type)
25{
26 int res;
27 INTERNAL_SYSCALL_DECL (err);
28#ifdef __NR_access
29 res = INTERNAL_SYSCALL_CALL (access, err, file, type);
30#else
31 res = INTERNAL_SYSCALL_CALL (faccessat, err, AT_FDCWD, file, type);
32#endif
33 if (INTERNAL_SYSCALL_ERROR_P (res, err))
34 return INTERNAL_SYSCALL_ERRNO (res, err);
35 return 0;
36}
37
38int
39__access (const char *file, int type)
40{
41#ifdef __NR_access
42 return INLINE_SYSCALL_CALL (access, file, type);
43#else
44 return INLINE_SYSCALL_CALL (faccessat, AT_FDCWD, file, type);
45#endif
46}
47weak_alias (__access, access)
48