File: tst.PointerArithmetic2.d

package info (click to toggle)
dtrace 2.0.5-1
  • links: PTS
  • area: main
  • in suites: sid
  • size: 24,408 kB
  • sloc: ansic: 61,247; sh: 17,997; asm: 1,717; lex: 947; awk: 754; yacc: 695; perl: 37; sed: 17; makefile: 15
file content (51 lines) | stat: -rw-r--r-- 1,007 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*
 * Oracle Linux DTrace.
 * Copyright (c) 2006, 2022, Oracle and/or its affiliates. All rights reserved.
 * Licensed under the Universal Permissive License v 1.0 as shown at
 * http://oss.oracle.com/licenses/upl.
 */

/*
 * ASSERTION:
 * D pointers can be used to refer to consecutive storage locations like
 * arrays.
 *
 * SECTION: Pointers and Arrays/Pointer and Array Relationship
 *
 * NOTES:
 *
 */

#pragma D option quiet

int array[5];
BEGIN
{
	array[0] = 100;
	array[1] = 200;
	array[2] = 300;
	array[3] = 400;
	array[4] = 500;

	p = &array[0];

	printf("array[0]: %d\t*p: %d\n", array[0], *p);
	printf("array[1]: %d\t*(p+1): %d\n", array[1], *(p+1));
	printf("array[2]: %d\t*(p+2): %d\n", array[2], *(p+2));
	printf("array[3]: %d\t*(p+3): %d\n", array[3], *(p+3));
	printf("array[4]: %d\t*(p+4): %d\n", array[4], *(p+4));

	exit(0);

}

END
/(array[0] != *p) || (array[1] != *(p+1)) || (array[2] != *(p+2))
    || (array[3] != *(p+3)) || (array[4] != *(p+4))/
{
	printf("Error");
	exit(1);
}