/*
* 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) 1994, by Sun Microsytems, Inc.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "libtnf.h"
/*
* All types are struct records
*/
void
_tnf_check_type(tnf_datum_t datum)
{
CHECK_RECORD(datum);
CHECK_SLOTS(datum);
if (!INFO_TYPE(DATUM_INFO(datum)))
_tnf_error(DATUM_TNF(datum), TNF_ERR_TYPEMISMATCH);
}
/*
* Get data kind of a type record
*/
tnf_kind_t
tnf_type_get_kind(tnf_datum_t datum)
{
struct taginfo *info;
CHECK_TYPE(datum);
/* Note: DATUM_RECORD(), not DATUM_TAG() */
/* LINTED pointer cast may result in improper alignment */
info = _tnf_get_info(DATUM_TNF(datum), DATUM_RECORD(datum));
return (info->kind);
}
/*
* Retrieve type name for datum type record
*/
char *
tnf_type_get_name(tnf_datum_t datum)
{
CHECK_TYPE(datum);
/* XXX Dispatch to ABI routine; faster than taginfo lookup? */
/* LINTED pointer cast may result in improper alignment */
return (_tnf_get_name(DATUM_TNF(datum), DATUM_RECORD(datum)));
}
/*
* Fetch size member of info for datum type record
*/
size_t
tnf_type_get_size(tnf_datum_t datum)
{
struct taginfo *info;
CHECK_TYPE(datum);
/* Note: DATUM_RECORD(), not DATUM_TAG() */
/* LINTED pointer cast may result in improper alignment */
info = _tnf_get_info(DATUM_TNF(datum), DATUM_RECORD(datum));
if (INFO_ARRAY(info))
/* XXX All arrays are self-sized */
return ((size_t)-1);
else
return (info->size);
}
/*
* Get the base type of a type
*/
tnf_datum_t
tnf_type_get_base(tnf_datum_t datum)
{
struct taginfo *info;
CHECK_TYPE(datum);
/* Note: DATUM_RECORD(), not DATUM_TAG() */
/* LINTED pointer cast may result in improper alignment */
info = _tnf_get_info(DATUM_TNF(datum), DATUM_RECORD(datum));
if (INFO_DERIVED(info))
return (DATUM(info->base->meta, (caddr_t)info->base->tag));
else
return (datum);
}
/*
* If type record has named property, return a datum for it
*/
tnf_datum_t
tnf_type_get_property(tnf_datum_t datum, char *name)
{
tnf_ref32_t *property;
CHECK_TYPE(datum);
/* Note: DATUM_RECORD(), not DATUM_TAG() */
property = _tnf_get_property(DATUM_TNF(datum),
/* LINTED pointer cast may result in improper alignment */
DATUM_RECORD(datum), name);
if (property == TNF_NULL)
return (TNF_DATUM_NULL);
else
return (RECORD_DATUM(DATUM_TNF(datum), property));
}