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/* Copyright (C) 1997-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/ustat.h>
#include <sys/sysmacros.h>
#include <sysdep.h>
#include <sys/syscall.h>
int
ustat (dev_t dev, struct ustat *ubuf)
{
unsigned long long int k_dev;
/* We must convert the value to dev_t type used by the kernel. */
k_dev = dev & ((1ULL << 32) - 1);
if (k_dev != dev)
{
__set_errno (EINVAL);
return -1;
}
return INLINE_SYSCALL (ustat, 2, (unsigned int) k_dev, ubuf);
}
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