glibc/sysdeps/mach/hurd/lchmod.c

39 lines
1.3 KiB
C

/* lchmod -- Change the protections of a file or symbolic link. Hurd version.
Copyright (C) 2002-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <hurd.h>
/* Change the protections of FILE to MODE. */
int
lchmod (const char *file, mode_t mode)
{
error_t err;
file_t port = __file_name_lookup (file, O_NOLINK, 0);
if (port == MACH_PORT_NULL)
return -1;
err = __file_chmod (port, mode);
__mach_port_deallocate (__mach_task_self (), port);
if (err)
return __hurd_fail (err);
return 0;
}