1/* unlinkat -- Remove a name relative to an open directory. Hurd version.
2 Copyright (C) 2006-2024 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. */
28int
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 return __hurd_fail (EINVAL);
37
38 dir = __directory_name_split_at (fd, name, (char **) &file);
39 if (dir == MACH_PORT_NULL)
40 return -1;
41
42 err = ((flag & AT_REMOVEDIR) ? __dir_rmdir : __dir_unlink) (dir, file);
43 __mach_port_deallocate (__mach_task_self (), dir);
44
45 if (err)
46 return __hurd_fail (err);
47 return 0;
48}
49
50weak_alias (__unlinkat, unlinkat)
51

source code of glibc/sysdeps/mach/hurd/unlinkat.c