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| Rev | Author | Line No. | Line |
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| 2714 | cejka | 1 | /* $NetBSD: machdep.h,v 1.8 1995/05/11 21:29:21 christos Exp $ */ |
| 2 | |||
| 3 | /*- |
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| 4 | * Copyright (c) 1991, 1993 |
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| 5 | * The Regents of the University of California. All rights reserved. |
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| 6 | * |
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| 7 | * This code is derived from software contributed to Berkeley by |
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| 8 | * Kenneth Almquist. |
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| 9 | * |
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| 10 | * Redistribution and use in source and binary forms, with or without |
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| 11 | * modification, are permitted provided that the following conditions |
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| 12 | * are met: |
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| 13 | * 1. Redistributions of source code must retain the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer. |
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | * notice, this list of conditions and the following disclaimer in the |
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| 17 | * documentation and/or other materials provided with the distribution. |
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| 18 | * 3. All advertising materials mentioning features or use of this software |
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| 19 | * must display the following acknowledgement: |
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| 20 | * This product includes software developed by the University of |
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| 21 | * California, Berkeley and its contributors. |
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| 22 | * 4. Neither the name of the University nor the names of its contributors |
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| 23 | * may be used to endorse or promote products derived from this software |
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| 24 | * without specific prior written permission. |
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| 25 | * |
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| 26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 36 | * SUCH DAMAGE. |
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| 37 | * |
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| 38 | * @(#)machdep.h 8.2 (Berkeley) 5/4/95 |
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| 39 | */ |
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| 40 | |||
| 41 | /* |
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| 42 | * Most machines require the value returned from malloc to be aligned |
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| 43 | * in some way. The following macro will get this right on many machines. |
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| 44 | */ |
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| 45 | |||
| 46 | #ifndef ALIGN |
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| 47 | union align { |
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| 48 | int i; |
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| 49 | char *cp; |
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| 50 | }; |
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| 51 | |||
| 52 | #define ALIGN(nbytes) (((nbytes) + sizeof(union align) - 1) & ~(sizeof(union align) - 1)) |
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| 53 | #endif |