1/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <stddef.h>
20#include <unistd.h>
21#include <hurd.h>
22#include <fcntl.h>
23
24/* Change the owner and group of FILE; if it's a link, do the link and
25 not the target. */
26int
27__lchown (const char *file, uid_t owner, gid_t group)
28{
29 error_t err;
30 file_t port = __file_name_lookup (file, O_NOLINK, 0);
31 if (port == MACH_PORT_NULL)
32 return -1;
33 err = __file_chown (port, owner, group);
34 __mach_port_deallocate (__mach_task_self (), port);
35 if (err)
36 return __hurd_fail (err);
37 return 0;
38}
39
40weak_alias (__lchown, lchown)
41

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