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			42 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 1997, 1998, 2000, 2003 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #include <sysdep.h>
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| #include <sys/syscall.h>
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| #include <bp-checks.h>
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| 
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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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| 
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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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| 
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|   return INLINE_SYSCALL (ustat, 2, (unsigned int) k_dev, CHECK_1 (ubuf));
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| }
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