xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/pointers/tst.PointerArithmetic2.d (revision 73b80b821da76082173547dd650e417f6916eb8b)
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  * D pointers can be used to refer to consecutive storage locations like
30  * arrays.
31  *
32  * SECTION: Pointers and Arrays/Pointer and Array Relationship
33  *
34  * NOTES:
35  *
36  */
37 
38 #pragma D option quiet
39 
40 int array[5];
41 BEGIN
42 {
43 	array[0] = 100;
44 	array[1] = 200;
45 	array[2] = 300;
46 	array[3] = 400;
47 	array[4] = 500;
48 
49 	p = &array[0];
50 
51 	printf("array[0]: %d\t*p: %d\n", array[0], *p);
52 	printf("array[1]: %d\t*(p+1): %d\n", array[1], *(p+1));
53 	printf("array[2]: %d\t*(p+2): %d\n", array[2], *(p+2));
54 	printf("array[3]: %d\t*(p+3): %d\n", array[3], *(p+3));
55 	printf("array[4]: %d\t*(p+4): %d\n", array[4], *(p+4));
56 
57 	exit(0);
58 
59 }
60 
61 END
62 /(array[0] != *p) || (array[1] != *(p+1)) || (array[2] != *(p+2))
63     || (array[3] != *(p+3)) || (array[4] != *(p+4))/
64 {
65 	printf("Error");
66 	exit(1);
67 }
68 
69 
70 
71