1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * ASSERTION: 31 * Integer arithmetic can be performed on pointers by casting to uintptr_t. 32 * 33 * SECTION: Pointers and Arrays/Generic Pointers 34 * 35 * NOTES: 36 * 37 */ 38 39 #pragma D option quiet 40 41 int array[3]; 42 uintptr_t uptr; 43 int *p; 44 int *q; 45 int *r; 46 47 BEGIN 48 { 49 array[0] = 20; 50 array[1] = 40; 51 array[2] = 80; 52 53 uptr = (uintptr_t) &array[0]; 54 55 p = (int *) (uptr); 56 q = (int *) (uptr + 4); 57 r = (int *) (uptr + 8); 58 59 printf("array[0]: %d\t*p: %d\n", array[0], *p); 60 printf("array[1]: %d\t*q: %d\n", array[1], *q); 61 printf("array[2]: %d\t*r: %d\n", array[2], *r); 62 63 exit(0); 64 } 65 66 END 67 /(20 != *p) || (40 != *q) || (80 != *r)/ 68 { 69 printf("Error"); 70 exit(1); 71 } 72 73