sysdeps/unix/sysv/linux/mips/ustat.c

   1 /* Copyright (C) 1997, 1998 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 Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    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    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <errno.h>
  21 #include <sys/ustat.h>
  22 #include <sys/sysmacros.h>
  23
  24 #include <sysdep.h>
  25 #include <sys/syscall.h>
  26
  27 extern int __syscall_ustat (unsigned long dev, struct ustat *ubuf);
  28
  29 int
  30 ustat (dev_t dev, struct ustat *ubuf)
  31 {
  32   unsigned long k_dev;
  33
  34   /* We must convert the value to dev_t type used by the kernel.  */
  35   k_dev = ((major (dev) & 0xff) << 8) | (minor (dev) & 0xff);
  36
  37   return INLINE_SYSCALL (ustat, 2, k_dev, ubuf);
  38 }