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/* Compatibility header for old-style Unix parameters and limits. Stub version.
Copyright (C) 2012 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, see
<http://www.gnu.org/licenses/>. */
#ifndef _SYS_PARAM_H
#define _SYS_PARAM_H 1
#include <features.h>
#define __need_NULL
#include <stddef.h>
#include <sys/types.h>
#include <errno.h>
#include <signal.h>
#include <endian.h>
#include <limits.h>
/* BSD names for some <limits.h> values. We do not define the BSD names
for the values which are not statically limited, such as NOFILE. */
#define NBBY CHAR_BIT
#define NGROUPS NGROUPS_MAX
#define MAXSYMLINKS SYMLOOP_MAX
#define CANBSIZ MAX_CANON /* XXX ? */
/* ARG_MAX is unlimited, but we define NCARGS for BSD programs that want to
compare against some fixed limit. */
#define NCARGS INT_MAX
/* Magical constants. */
#define NOGROUP 65535 /* Marker for empty group set member. */
#define NODEV ((dev_t) -1) /* Non-existent device. */
/* 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
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#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 */
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