2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or 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: rdatasetiter.c,v 1.16 2007/06/19 23:47:16 tbox Exp $ */
28 #include <dns/rdataset.h>
29 #include <dns/rdatasetiter.h>
32 dns_rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) {
34 * Destroy '*iteratorp'.
37 REQUIRE(iteratorp != NULL);
38 REQUIRE(DNS_RDATASETITER_VALID(*iteratorp));
40 (*iteratorp)->methods->destroy(iteratorp);
42 ENSURE(*iteratorp == NULL);
46 dns_rdatasetiter_first(dns_rdatasetiter_t *iterator) {
48 * Move the rdataset cursor to the first rdataset at the node (if any).
51 REQUIRE(DNS_RDATASETITER_VALID(iterator));
53 return (iterator->methods->first(iterator));
57 dns_rdatasetiter_next(dns_rdatasetiter_t *iterator) {
59 * Move the rdataset cursor to the next rdataset at the node (if any).
62 REQUIRE(DNS_RDATASETITER_VALID(iterator));
64 return (iterator->methods->next(iterator));
68 dns_rdatasetiter_current(dns_rdatasetiter_t *iterator,
69 dns_rdataset_t *rdataset)
72 * Return the current rdataset.
75 REQUIRE(DNS_RDATASETITER_VALID(iterator));
76 REQUIRE(DNS_RDATASET_VALID(rdataset));
77 REQUIRE(! dns_rdataset_isassociated(rdataset));
79 iterator->methods->current(iterator, rdataset);