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
23 /* Change the owner and group of FILE. */
24 int
__chown(const char * file,uid_t owner,gid_t group)25 __chown (const char *file, uid_t owner, gid_t group)
26 {
27 error_t err;
28 file_t port = __file_name_lookup (file, 0, 0);
29 if (port == MACH_PORT_NULL)
30 return -1;
31 err = __file_chown (port, owner, group);
32 __mach_port_deallocate (__mach_task_self (), port);
33 if (err)
34 return __hurd_fail (err);
35 return 0;
36 }
37 libc_hidden_def (__chown)
38 weak_alias (__chown, chown)
39