common/union/tst.UnionDataTypes.d

	tst.UnionDataTypes.d revision 9512fe850e98fdd448c638ca63fdd92a8a510255
/*
 * 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: Declaration of the different data types within a union and
 * their definitions in a later clause should work fine.
 *
 * SECTION: Structs and Unions/Unions
 *
 * NOTES: The floats, doubles and strings have not been implemented yet.
 * When they do, appropriate lines in the code below should be uncommented.
 * Similarly, the lines with the kmem_flags pointer assignment should be
 * uncommented when the issues pertaining to it are clarified.
 *
 */

#pragma D option quiet

union record {
    char new_char;
    short new_short;
    int new_int;
    long new_long;
    long long new_long_long;
    int8_t new_int8;
    int16_t new_int16;
    int32_t new_int32;
    int64_t new_int64;
    intptr_t new_intptr;
    uint8_t new_uint8;
    uint16_t new_uint16;
    uint32_t new_uint32;
    uint64_t new_uint64;
    uintptr_t new_uintptr;

    /*float new_float;
    double new_double;
    long double new_long_double;

    string new_string;
    */

    struct {
         char ch;
         int in;
         long lg;
    } new_struct;

    union {
         char ch;
         int in;
         long lg;
    } new_union;

enum {
    RED,
    GREEN,
    BLUE
} new_enum;


    int *pointer;
} var;

/*
    var.pointer = &`kmem_flags;
*/
BEGIN
{
    var.new_char = 'c';
    var.new_short = 10;
    var.new_int = 100;
    var.new_long = 1234567890;
    var.new_long_long = 1234512345;
    var.new_int8 = 'p';
    var.new_int16 = 20;
    var.new_int32 = 200;
    var.new_int64 = 2000000;
    var.new_intptr = 0x12345;
    var.new_uint8 = 'q';
    var.new_uint16 = 30;
    var.new_uint32 = 300;
    var.new_uint64 = 3000000;
    var.new_uintptr = 0x67890;

    /* var.new_float = 1.23456;
    var.new_double = 2.34567890;
    var.new_long_double = 3.567890123;

    var.new_string = "hello";
    */

    /*
    var.pointer = &`kmem_flags;
    */

    var.new_struct.ch = 'c';
    var.new_struct.in = 4;
    var.new_struct.lg = 4;

    var.new_union.ch = 'd';
    var.new_union.in = 5;
    var.new_union.lg = 5;


    exit(0);
}