usr/src/cmd/dtrace/test/tst/common/pointers/tst.PointerArithmetic2.d

   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  * D pointers can be used to refer to consecutive storage locations like
  32  * arrays.
  33  *
  34  * SECTION: Pointers and Arrays/Pointer and Array Relationship
  35  *
  36  * NOTES:
  37  *
  38  */
  39
  40 #pragma D option quiet
  41
  42 int array[5];
  43 BEGIN
  44 {
  45         array[0] = 100;
  46         array[1] = 200;
  47         array[2] = 300;
  48         array[3] = 400;
  49         array[4] = 500;
  50
  51         p = &array[0];
  52
  53         printf("array[0]: %d\t*p: %d\n", array[0], *p);
  54         printf("array[1]: %d\t*(p+1): %d\n", array[1], *(p+1));
  55         printf("array[2]: %d\t*(p+2): %d\n", array[2], *(p+2));
  56         printf("array[3]: %d\t*(p+3): %d\n", array[3], *(p+3));
  57         printf("array[4]: %d\t*(p+4): %d\n", array[4], *(p+4));
  58
  59         exit(0);
  60
  61 }
  62
  63 END
  64 /(array[0] != *p) || (array[1] != *(p+1)) || (array[2] != *(p+2))
  65     || (array[3] != *(p+3)) || (array[4] != *(p+4))/
  66 {
  67         printf("Error");
  68         exit(1);
  69 }
  70
  71
  72