/*
 * Copyright(c) 2021 to 2022 ZettaScale Technology and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
 * v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

#if defined(__IDLC__)

union union_test;

@topic @final
union union_test switch (short) {
  case 1:
    @external union_test u1;
  default:
    char u2;
};

#else

#include <string.h>
#include "dds/dds.h"
#include "test_union_r.h"
#include "common.h"

const dds_topic_descriptor_t *desc = &union_test_desc;

void init_sample (void *s)
{
  union_test *t = (union_test *) s;
  t->_d = 1;
  A (t->_u.u1);
  t->_u.u1->_d = 1;
  A (t->_u.u1->_u.u1);
  t->_u.u1->_u.u1->_d = 2;
  t->_u.u1->_u.u1->_u.u2 = 3;
}

int cmp_sample (const void *sa, const void *sb)
{
  union_test *a = (union_test *) sa;
  union_test *b = (union_test *) sb;
  CMP(a, b, _d, 1);
  CMP(a, b, _u.u1->_d, 1);
  CMP(a, b, _u.u1->_u.u1->_d, 2);
  CMP(a, b, _u.u1->_u.u1->_u.u2, 3);
  return 0;
}

NO_KEY_CMP

#endif
