1*8d7e7a98SRuslan Bukin /*- 2*8d7e7a98SRuslan Bukin * Copyright (c) 1990 The Regents of the University of California. 3*8d7e7a98SRuslan Bukin * All rights reserved. 4*8d7e7a98SRuslan Bukin * 5*8d7e7a98SRuslan Bukin * This code is derived from software contributed to Berkeley by 6*8d7e7a98SRuslan Bukin * William Jolitz. 7*8d7e7a98SRuslan Bukin * 8*8d7e7a98SRuslan Bukin * Redistribution and use in source and binary forms, with or without 9*8d7e7a98SRuslan Bukin * modification, are permitted provided that the following conditions 10*8d7e7a98SRuslan Bukin * are met: 11*8d7e7a98SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 12*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer. 13*8d7e7a98SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 14*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 15*8d7e7a98SRuslan Bukin * documentation and/or other materials provided with the distribution. 16*8d7e7a98SRuslan Bukin * 17*8d7e7a98SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*8d7e7a98SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*8d7e7a98SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*8d7e7a98SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*8d7e7a98SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*8d7e7a98SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*8d7e7a98SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*8d7e7a98SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*8d7e7a98SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*8d7e7a98SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*8d7e7a98SRuslan Bukin * SUCH DAMAGE. 28*8d7e7a98SRuslan Bukin */ 29*8d7e7a98SRuslan Bukin 30*8d7e7a98SRuslan Bukin #ifndef _MACHINE__ALIGN_H_ 31*8d7e7a98SRuslan Bukin #define _MACHINE__ALIGN_H_ 32*8d7e7a98SRuslan Bukin 33*8d7e7a98SRuslan Bukin /* 34*8d7e7a98SRuslan Bukin * Round p (pointer or byte index) up to a correctly-aligned value 35*8d7e7a98SRuslan Bukin * for all data types (int, long, ...). The result is unsigned int 36*8d7e7a98SRuslan Bukin * and must be cast to any desired pointer type. 37*8d7e7a98SRuslan Bukin */ 38*8d7e7a98SRuslan Bukin #define _ALIGNBYTES (sizeof(long long) - 1) 39*8d7e7a98SRuslan Bukin #define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) 40*8d7e7a98SRuslan Bukin 41*8d7e7a98SRuslan Bukin #endif /* !_MACHINE__ALIGN_H_ */ 42