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 /*
28  * ASSERTION:
29  * Integer arithmetic can be performed on pointers by casting to uintptr_t.
30  *
31  * SECTION: Pointers and Arrays/Generic Pointers
32  *
33  * NOTES:
34  *
35  */
36 
37 #pragma D option quiet
38 
39 int array[3];
40 uintptr_t uptr;
41 int *p;
42 int *q;
43 int *r;
44 
45 BEGIN
46 {
47 	array[0] = 20;
48 	array[1] = 40;
49 	array[2] = 80;
50 
51 	uptr = (uintptr_t) &array[0];
52 
53 	p = (int *) (uptr);
54 	q = (int *) (uptr + 4);
55 	r = (int *) (uptr + 8);
56 
57 	printf("array[0]: %d\t*p: %d\n", array[0], *p);
58 	printf("array[1]: %d\t*q: %d\n", array[1], *q);
59 	printf("array[2]: %d\t*r: %d\n", array[2], *r);
60 
61 	exit(0);
62 }
63 
64 END
65 /(20 != *p) || (40 != *q) || (80 != *r)/
66 {
67 	printf("Error");
68 	exit(1);
69 }
70 
71