1178476Sjb/* 2178476Sjb * CDDL HEADER START 3178476Sjb * 4178476Sjb * The contents of this file are subject to the terms of the 5178476Sjb * Common Development and Distribution License (the "License"). 6178476Sjb * You may not use this file except in compliance with the License. 7178476Sjb * 8178476Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9178476Sjb * or http://www.opensolaris.org/os/licensing. 10178476Sjb * See the License for the specific language governing permissions 11178476Sjb * and limitations under the License. 12178476Sjb * 13178476Sjb * When distributing Covered Code, include this CDDL HEADER in each 14178476Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15178476Sjb * If applicable, add the following below this CDDL HEADER, with the 16178476Sjb * fields enclosed by brackets "[]" replaced with your own identifying 17178476Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 18178476Sjb * 19178476Sjb * CDDL HEADER END 20178476Sjb */ 21178476Sjb 22178476Sjb/* 23178476Sjb * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24178476Sjb * Use is subject to license terms. 25178476Sjb */ 26178476Sjb#pragma ident "%Z%%M% %I% %E% SMI" 27178476Sjb 28178476Sjb/* 29178476Sjb * ASSERTION: offsetof can be used anywhere in a D program that an integer 30178476Sjb * constant can be used. 31178476Sjb * 32178476Sjb * SECTION: Structs and Unions/Member Sizes and Offsets 33178476Sjb * 34178476Sjb * NOTES: 35178476Sjb * 36178476Sjb */ 37178476Sjb 38178476Sjb#pragma D option quiet 39178476Sjb 40178476Sjbtypedef struct record { 41178476Sjb char c; 42178476Sjb int x; 43178476Sjb int y; 44178476Sjb} record_t; 45178476Sjb 46178476SjbBEGIN 47178476Sjb{ 48178476Sjb 49178476Sjb add = offsetof(record_t, c) + offsetof(record_t, x) + 50178476Sjb offsetof(record_t, y); 51178476Sjb sub = offsetof(record_t, y) - offsetof(record_t, x); 52178476Sjb mul = offsetof(record_t, x) * offsetof(record_t, c); 53178476Sjb div = offsetof(record_t, y) / offsetof(record_t, x); 54178476Sjb 55178476Sjb printf("offsetof(record_t, c) = %d\n", offsetof(record_t, c)); 56178476Sjb printf("offsetof(record_t, x) = %d\n", offsetof(record_t, x)); 57178476Sjb printf("offsetof(record_t, y) = %d\n", offsetof(record_t, y)); 58178476Sjb 59178476Sjb printf("Addition of offsets (c+x+y)= %d\n", add); 60178476Sjb printf("Subtraction of offsets (y-x)= %d\n", sub); 61178476Sjb printf("Multiplication of offsets (x*c) = %d\n", mul); 62178476Sjb printf("Division of offsets (y/x) = %d\n", div); 63178476Sjb 64178476Sjb exit(0); 65178476Sjb} 66178476Sjb 67178476SjbEND 68178476Sjb/(8 != offsetof(record_t, y)) || (4 != offsetof(record_t, x)) || 69178476Sjb (0 != offsetof(record_t, c)) || (12 != add) || (4 != sub) || (0 != mul) 70178476Sjb || (2 != div)/ 71178476Sjb{ 72178476Sjb exit(1); 73178476Sjb} 74