1 | /* unlinkat -- Remove a name relative to an open directory. Hurd 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 <hurd.h> |
24 | #include <hurd/fd.h> |
25 | |
26 | |
27 | /* Remove the link named NAME. */ |
28 | int |
29 | unlinkat (int fd, const char *name, int flag) |
30 | { |
31 | error_t err; |
32 | file_t dir; |
33 | const char *file; |
34 | |
35 | if ((flag &~ AT_REMOVEDIR) != 0) |
36 | { |
37 | __set_errno (EINVAL); |
38 | return -1; |
39 | } |
40 | |
41 | dir = __directory_name_split_at (fd, name, (char **) &file); |
42 | if (dir == MACH_PORT_NULL) |
43 | return -1; |
44 | |
45 | err = ((flag & AT_REMOVEDIR) ? __dir_rmdir : __dir_unlink) (dir, file); |
46 | __mach_port_deallocate (__mach_task_self (), dir); |
47 | |
48 | if (err) |
49 | return __hurd_fail (err); |
50 | return 0; |
51 | } |
52 | |