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16a10468 | 1 | /* unlinkat -- Remove a name relative to an open directory. Hurd version. |
04277e02 | 2 | Copyright (C) 2006-2019 Free Software Foundation, Inc. |
16a10468 RM |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
16a10468 RM |
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 | |
bd2260a2 | 29 | unlinkat (int fd, const char *name, int flag) |
16a10468 RM |
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 | } |