/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1982, 1986, 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 */

#ifndef _SYS__PARAM_H_
#define _SYS__PARAM_H_

#define NBBY    8               /* number of bits in a byte */
#define NBPW    sizeof(int)     /* number of bytes per word (integer) */

/*
 * Macros for counting and rounding.
 */
#define nitems(x)       (sizeof((x)) / sizeof((x)[0]))
#ifndef howmany
#define howmany(x, y)   (((x)+((y)-1))/(y))
#endif
#define rounddown(x, y) (((x)/(y))*(y))
#define rounddown2(x, y) __align_down(x, y) /* if y is power of two */
#define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))  /* to any y */
#define roundup2(x, y)  __align_up(x, y) /* if y is powers of two */
#define powerof2(x)     ((((x)-1)&(x))==0)

#endif /* _SYS__PARAM_H_ */