1*2633Sahl /*
2*2633Sahl  * CDDL HEADER START
3*2633Sahl  *
4*2633Sahl  * The contents of this file are subject to the terms of the
5*2633Sahl  * Common Development and Distribution License (the "License").
6*2633Sahl  * You may not use this file except in compliance with the License.
7*2633Sahl  *
8*2633Sahl  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*2633Sahl  * or http://www.opensolaris.org/os/licensing.
10*2633Sahl  * See the License for the specific language governing permissions
11*2633Sahl  * and limitations under the License.
12*2633Sahl  *
13*2633Sahl  * When distributing Covered Code, include this CDDL HEADER in each
14*2633Sahl  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*2633Sahl  * If applicable, add the following below this CDDL HEADER, with the
16*2633Sahl  * fields enclosed by brackets "[]" replaced with your own identifying
17*2633Sahl  * information: Portions Copyright [yyyy] [name of copyright owner]
18*2633Sahl  *
19*2633Sahl  * CDDL HEADER END
20*2633Sahl  */
21*2633Sahl 
22*2633Sahl /*
23*2633Sahl  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24*2633Sahl  * Use is subject to license terms.
25*2633Sahl  */
26*2633Sahl 
27*2633Sahl #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*2633Sahl 
29*2633Sahl /*
30*2633Sahl  * ASSERTION:
31*2633Sahl  * Integer arithmetic can be performed on pointers by casting to uintptr_t.
32*2633Sahl  *
33*2633Sahl  * SECTION: Pointers and Arrays/Generic Pointers
34*2633Sahl  *
35*2633Sahl  * NOTES:
36*2633Sahl  *
37*2633Sahl  */
38*2633Sahl 
39*2633Sahl #pragma D option quiet
40*2633Sahl 
41*2633Sahl int array[3];
42*2633Sahl uintptr_t uptr;
43*2633Sahl int *p;
44*2633Sahl int *q;
45*2633Sahl int *r;
46*2633Sahl 
47*2633Sahl BEGIN
48*2633Sahl {
49*2633Sahl 	array[0] = 20;
50*2633Sahl 	array[1] = 40;
51*2633Sahl 	array[2] = 80;
52*2633Sahl 
53*2633Sahl 	uptr = (uintptr_t) &array[0];
54*2633Sahl 
55*2633Sahl 	p = (int *) (uptr);
56*2633Sahl 	q = (int *) (uptr + 4);
57*2633Sahl 	r = (int *) (uptr + 8);
58*2633Sahl 
59*2633Sahl 	printf("array[0]: %d\t*p: %d\n", array[0], *p);
60*2633Sahl 	printf("array[1]: %d\t*q: %d\n", array[1], *q);
61*2633Sahl 	printf("array[2]: %d\t*r: %d\n", array[2], *r);
62*2633Sahl 
63*2633Sahl 	exit(0);
64*2633Sahl }
65*2633Sahl 
66*2633Sahl END
67*2633Sahl /(20 != *p) || (40 != *q) || (80 != *r)/
68*2633Sahl {
69*2633Sahl 	printf("Error");
70*2633Sahl 	exit(1);
71*2633Sahl }
72*2633Sahl 
73