2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: dbiterator.c,v 1.13.206.1 2004/03/06 08:13:37 marka Exp $ */
24 #include <dns/dbiterator.h>
28 dns_dbiterator_destroy(dns_dbiterator_t **iteratorp) {
30 * Destroy '*iteratorp'.
33 REQUIRE(iteratorp != NULL);
34 REQUIRE(DNS_DBITERATOR_VALID(*iteratorp));
36 (*iteratorp)->methods->destroy(iteratorp);
38 ENSURE(*iteratorp == NULL);
42 dns_dbiterator_first(dns_dbiterator_t *iterator) {
44 * Move the node cursor to the first node in the database (if any).
47 REQUIRE(DNS_DBITERATOR_VALID(iterator));
49 return (iterator->methods->first(iterator));
53 dns_dbiterator_last(dns_dbiterator_t *iterator) {
55 * Move the node cursor to the first node in the database (if any).
58 REQUIRE(DNS_DBITERATOR_VALID(iterator));
60 return (iterator->methods->last(iterator));
64 dns_dbiterator_seek(dns_dbiterator_t *iterator, dns_name_t *name) {
66 * Move the node cursor to the node with name 'name'.
69 REQUIRE(DNS_DBITERATOR_VALID(iterator));
71 return (iterator->methods->seek(iterator, name));
75 dns_dbiterator_prev(dns_dbiterator_t *iterator) {
77 * Move the node cursor to the previous node in the database (if any).
80 REQUIRE(DNS_DBITERATOR_VALID(iterator));
82 return (iterator->methods->prev(iterator));
86 dns_dbiterator_next(dns_dbiterator_t *iterator) {
88 * Move the node cursor to the next node in the database (if any).
91 REQUIRE(DNS_DBITERATOR_VALID(iterator));
93 return (iterator->methods->next(iterator));
97 dns_dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep,
101 * Return the current node.
104 REQUIRE(DNS_DBITERATOR_VALID(iterator));
105 REQUIRE(nodep != NULL && *nodep == NULL);
106 REQUIRE(name == NULL || dns_name_hasbuffer(name));
108 return (iterator->methods->current(iterator, nodep, name));
112 dns_dbiterator_pause(dns_dbiterator_t *iterator) {
117 REQUIRE(DNS_DBITERATOR_VALID(iterator));
119 return (iterator->methods->pause(iterator));
123 dns_dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) {
126 * Return the origin to which returned node names are relative.
129 REQUIRE(DNS_DBITERATOR_VALID(iterator));
130 REQUIRE(iterator->relative_names);
131 REQUIRE(dns_name_hasbuffer(name));
133 return (iterator->methods->origin(iterator, name));
137 dns_dbiterator_setcleanmode(dns_dbiterator_t *iterator, isc_boolean_t mode) {
138 REQUIRE(DNS_DBITERATOR_VALID(iterator));
140 iterator->cleaning = mode;