/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "mt.h"
#include <xti.h>
#include <errno.h>
#include <stropts.h>
#include <stdlib.h>
#include <sys/types.h>
#include "tx.h"

int
_tx_free(char *ptr, int struct_type, int api_semantics)
{
        union structptrs {
                struct t_bind *bind;
                struct t_call *call;
                struct t_discon *dis;
                struct t_optmgmt *opt;
                struct t_unitdata *udata;
                struct t_uderr *uderr;
        } p;

        /*
         * Free all the buffers associated with the appropriate
         * fields of each structure.
         */

        switch (struct_type) {

        case T_BIND:
                /* LINTED pointer cast */
                p.bind = (struct t_bind *)ptr;
                if (p.bind->addr.buf != NULL)
                        free(p.bind->addr.buf);
                break;

        case T_CALL:
                /* LINTED pointer cast */
                p.call = (struct t_call *)ptr;
                if (p.call->addr.buf != NULL)
                        free(p.call->addr.buf);
                if (p.call->opt.buf != NULL)
                        free(p.call->opt.buf);
                if (p.call->udata.buf != NULL)
                        free(p.call->udata.buf);
                break;

        case T_OPTMGMT:
                /* LINTED pointer cast */
                p.opt = (struct t_optmgmt *)ptr;
                if (p.opt->opt.buf != NULL)
                        free(p.opt->opt.buf);
                break;

        case T_DIS:
                /* LINTED pointer cast */
                p.dis = (struct t_discon *)ptr;
                if (p.dis->udata.buf != NULL)
                        free(p.dis->udata.buf);
                break;

        case T_UNITDATA:
                /* LINTED pointer cast */
                p.udata = (struct t_unitdata *)ptr;
                if (p.udata->addr.buf != NULL)
                        free(p.udata->addr.buf);
                if (p.udata->opt.buf != NULL)
                        free(p.udata->opt.buf);
                if (p.udata->udata.buf != NULL)
                        free(p.udata->udata.buf);
                break;

        case T_UDERROR:
                /* LINTED pointer cast */
                p.uderr = (struct t_uderr *)ptr;
                if (p.uderr->addr.buf != NULL)
                        free(p.uderr->addr.buf);
                if (p.uderr->opt.buf != NULL)
                        free(p.uderr->opt.buf);
                break;

        case T_INFO:
                break;

        default:
                if (_T_IS_XTI(api_semantics)) {
                        t_errno = TNOSTRUCTYPE;
                } else {        /* TX_TLI_API */
                        t_errno = TSYSERR;
                        errno = EINVAL;
                }
                return (-1);
        }

        free(ptr);
        return (0);
}