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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Copyright (C) 1997-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <sys/ustat.h>
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#include <sys/sysmacros.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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int
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ustat (dev_t dev, struct ustat *ubuf)
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{
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unsigned long long int k_dev;
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/* We must convert the value to dev_t type used by the kernel. */
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k_dev = dev & ((1ULL << 32) - 1);
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if (k_dev != dev)
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{
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__set_errno (EINVAL);
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return -1;
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}
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return INLINE_SYSCALL (ustat, 2, (unsigned int) k_dev, ubuf);
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}
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