1*a9643ea8Slogwang /*- 2*a9643ea8Slogwang * Copyright (c) 1990 The Regents of the University of California. 3*a9643ea8Slogwang * All rights reserved. 4*a9643ea8Slogwang * 5*a9643ea8Slogwang * This code is derived from software contributed to Berkeley by 6*a9643ea8Slogwang * William Jolitz. 7*a9643ea8Slogwang * 8*a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 9*a9643ea8Slogwang * modification, are permitted provided that the following conditions 10*a9643ea8Slogwang * are met: 11*a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 12*a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 13*a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 14*a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 15*a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 16*a9643ea8Slogwang * 17*a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*a9643ea8Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*a9643ea8Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*a9643ea8Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*a9643ea8Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*a9643ea8Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*a9643ea8Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*a9643ea8Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*a9643ea8Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*a9643ea8Slogwang * SUCH DAMAGE. 28*a9643ea8Slogwang * 29*a9643ea8Slogwang * from: @(#)param.h 5.8 (Berkeley) 6/28/91 30*a9643ea8Slogwang * $FreeBSD$ 31*a9643ea8Slogwang */ 32*a9643ea8Slogwang 33*a9643ea8Slogwang #ifndef _MACHINE__ALIGN_H_ 34*a9643ea8Slogwang #define _MACHINE__ALIGN_H_ 35*a9643ea8Slogwang 36*a9643ea8Slogwang /* 37*a9643ea8Slogwang * Round p (pointer or byte index) up to a correctly-aligned value 38*a9643ea8Slogwang * for all data types (int, long, ...). The result is unsigned int 39*a9643ea8Slogwang * and must be cast to any desired pointer type. 40*a9643ea8Slogwang */ 41*a9643ea8Slogwang #define _ALIGNBYTES (sizeof(long long) - 1) 42*a9643ea8Slogwang #define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) 43*a9643ea8Slogwang 44*a9643ea8Slogwang #endif /* !_MACHINE__ALIGN_H_ */ 45