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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* ASSERTION: offsetof can be used anywhere in a D program that an integer
* constant can be used.
*
* SECTION: Structs and Unions/Member Sizes and Offsets
*
* NOTES:
*
*/
#pragma D option quiet
typedef struct record {
char c;
int x;
int y;
} record_t;
BEGIN
{
add = offsetof(record_t, c) + offsetof(record_t, x) +
offsetof(record_t, y);
sub = offsetof(record_t, y) - offsetof(record_t, x);
mul = offsetof(record_t, x) * offsetof(record_t, c);
div = offsetof(record_t, y) / offsetof(record_t, x);
printf("offsetof(record_t, c) = %d\n", offsetof(record_t, c));
printf("offsetof(record_t, x) = %d\n", offsetof(record_t, x));
printf("offsetof(record_t, y) = %d\n", offsetof(record_t, y));
printf("Addition of offsets (c+x+y)= %d\n", add);
printf("Subtraction of offsets (y-x)= %d\n", sub);
printf("Multiplication of offsets (x*c) = %d\n", mul);
printf("Division of offsets (y/x) = %d\n", div);
exit(0);
}
END
/(8 != offsetof(record_t, y)) || (4 != offsetof(record_t, x)) ||
(0 != offsetof(record_t, c)) || (12 != add) || (4 != sub) || (0 != mul)
|| (2 != div)/
{
exit(1);
}
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