usr/src/cmd/dtrace/test/tst/common/pointers/tst.PointerAssignment.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: Pointers assignment simply copies over the pointer address in the
  31  * variable on the right hand side into the variable on the left hand side.
  32  *
  33  * SECTION: Pointers and Arrays/Pointer and Array Relationship
  34  *
  35  * NOTES:
  36  *
  37  */
  38
  39 #pragma D option quiet
  40
  41 int array[3];
  42 int *ptr1;
  43 int *ptr2;
  44
  45 BEGIN
  46 {
  47         array[0] = 200;
  48         array[1] = 400;
  49         array[2] = 600;
  50
  51         ptr1 = array;
  52         ptr2 = ptr1;
  53
  54         ptr2[0] = 400;
  55         ptr2[1] = 800;
  56         ptr2[2] = 1200;
  57
  58         printf("array[0]: %d\tptr2[0]: %d\n", array[0], ptr2[0]);
  59         printf("array[1]: %d\tptr2[1]: %d\n", array[1], ptr2[1]);
  60         printf("array[2]: %d\tptr2[2]: %d\n", array[2], ptr2[2]);
  61
  62         exit(0);
  63
  64 }
  65
  66 END
  67 /(array[0] != 400) || (array[1] != 800) || (array[2] != 1200)/
  68 {
  69         printf("Error");
  70         exit(1);
  71 }