1/* Change the protections of file relative to 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 <sys/types.h>
24#include <hurd.h>
25#include <hurd/fd.h>
26
27int
28fchmodat (int fd, const char *file, mode_t mode, int flag)
29{
30 error_t err;
31 file_t port = __file_name_lookup_at (fd, flag, file, 0, 0);
32 if (port == MACH_PORT_NULL)
33 return -1;
34 err = __file_chmod (port, mode);
35 __mach_port_deallocate (__mach_task_self (), port);
36 if (err)
37 return __hurd_fail (err);
38 return 0;
39}
40libc_hidden_def (fchmodat)
41

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