xref: /illumos-gate/usr/src/lib/libnisdb/db_dictxdr.c (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  *	db_dictxdr.c
24  *
25  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
26  * Use is subject to license terms.
27  */
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #include "db_dictionary_c.h"
32 #include "db_vers_c.h"
33 
34 extern vers db_update_version;
35 
36 extern void make_zero(vers*);
37 
38 /* Special xdr_db_dict_desc that understands optional version number at end. */
39 bool_t
40 xdr_db_dict_desc(XDR *xdrs, db_dict_desc *objp)
41 {
42 
43 	if (!xdr_db_dict_version(xdrs, &objp->impl_vers))
44 		return (FALSE);
45 	if (!xdr_array(xdrs, (char **)&objp->tables.tables_val,
46 		(uint_t *)&objp->tables.tables_len, ~0,
47 		sizeof (db_table_desc_p), (xdrproc_t)xdr_db_table_desc_p))
48 		return (FALSE);
49 	if (!xdr_int(xdrs, &objp->count))
50 		return (FALSE);
51 
52 	if (xdrs->x_op == XDR_DECODE) {
53 		/* If no version was found, set version to 0. */
54 		if (!xdr_vers(xdrs, (void**) &db_update_version))
55 			make_zero(&db_update_version);
56 		return (TRUE);
57 	} else if (xdrs->x_op == XDR_ENCODE) {
58 		/* Always write out version */
59 		if (!xdr_vers(xdrs, (void**) &db_update_version))
60 			return (FALSE);
61 	} /* else XDR_FREE: do nothing */
62 
63 	return (TRUE);
64 }
65