/* Copyright (C) 1995-1997,2000,2001,2003,2008 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _SYS_PARAM_H
#define _SYS_PARAM_H        1

#ifndef ARG_MAX
# define __undef_ARG_MAX
#endif

#include <limits.h>
#include <linux/limits.h>
#include <linux/param.h>

/* The kernel headers defines ARG_MAX.  The value is wrong, though.  */
#ifndef __undef_ARG_MAX
# undef ARG_MAX
# undef __undef_ARG_MAX
#endif

/* BSD names for some <limits.h> values.  */

#define        NBBY                CHAR_BIT
#ifndef        NGROUPS
# define NGROUPS        NGROUPS_MAX
#endif
#define        MAXSYMLINKS        20
#define        CANBSIZ                MAX_CANON
#define MAXPATHLEN        PATH_MAX
/* The following are not really correct but it is a value we used for a
   long time and which seems to be usable.  People should not use NOFILE
   and NCARGS anyway.  */
#define NOFILE                256
#define        NCARGS                131072


#include <sys/types.h>

/* Bit map related macros.  */
#define        setbit(a,i)        ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define        clrbit(a,i)        ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define        isset(a,i)        ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define        isclr(a,i)        (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)

/* Macros for counting and rounding.  */
#ifndef howmany
# define howmany(x, y)        (((x) + ((y) - 1)) / (y))
#endif
#ifdef __GNUC__
# define roundup(x, y)        (__builtin_constant_p (y) && powerof2 (y)              \
                         ? (((x) + (y) - 1) & ~((y) - 1))                      \
                         : ((((x) + ((y) - 1)) / (y)) * (y)))
#else
# define roundup(x, y)        ((((x) + ((y) - 1)) / (y)) * (y))
#endif
#define powerof2(x)        ((((x) - 1) & (x)) == 0)

/* Macros for min/max.  */
#define        MIN(a,b) (((a)<(b))?(a):(b))
#define        MAX(a,b) (((a)>(b))?(a):(b))


/* Unit of `st_blocks'.  */
#define DEV_BSIZE       512


#endif        /* sys/param.h */