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sourceware.org Git - glibc.git/blob - sysdeps/mach/hurd/faccessat.c
1 /* Test for access to file, relative to open directory. Hurd version.
2 Copyright (C) 2006-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
23 #include <sys/types.h>
28 faccessat (int fd
, const char *file
, int type
, int flag
)
34 if ((flag
& AT_EACCESS
) == 0)
36 if (fd
== AT_FDCWD
|| file
[0] == '/')
37 return __access (file
, type
);
38 __set_errno (ENOTSUP
); /* XXX later */
42 port
= __file_name_lookup_at (fd
, flag
&~ AT_EACCESS
, file
, 0, 0);
43 if (port
== MACH_PORT_NULL
)
46 /* Find out what types of access we are allowed to this file. */
47 err
= __file_check_access (port
, &allowed
);
48 __mach_port_deallocate (__mach_task_self (), port
);
50 return __hurd_fail (err
);
61 /* We are not allowed all the requested types of access. */
62 return __hurd_fail (EACCES
);
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