1/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <sys/ustat.h>
21#include <sys/sysmacros.h>
22
23#include <sysdep.h>
24#include <sys/syscall.h>
25
26int
27ustat (dev_t dev, struct ustat *ubuf)
28{
29 unsigned long long int k_dev;
30
31 /* We must convert the value to dev_t type used by the kernel. */
32 k_dev = dev & ((1ULL << 32) - 1);
33 if (k_dev != dev)
34 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
35
36 return INLINE_SYSCALL (ustat, 2, (unsigned int) k_dev, ubuf);
37}
38