/* * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* $Id: rdatasetiter.c,v 1.1.1.1 2003/01/10 00:48:33 bbraun Exp $ */ #include <config.h> #include <stddef.h> #include <isc/util.h> #include <dns/rdataset.h> #include <dns/rdatasetiter.h> void dns_rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) { /* * Destroy '*iteratorp'. */ REQUIRE(iteratorp != NULL); REQUIRE(DNS_RDATASETITER_VALID(*iteratorp)); (*iteratorp)->methods->destroy(iteratorp); ENSURE(*iteratorp == NULL); } isc_result_t dns_rdatasetiter_first(dns_rdatasetiter_t *iterator) { /* * Move the rdataset cursor to the first rdataset at the node (if any). */ REQUIRE(DNS_RDATASETITER_VALID(iterator)); return (iterator->methods->first(iterator)); } isc_result_t dns_rdatasetiter_next(dns_rdatasetiter_t *iterator) { /* * Move the rdataset cursor to the next rdataset at the node (if any). */ REQUIRE(DNS_RDATASETITER_VALID(iterator)); return (iterator->methods->next(iterator)); } void dns_rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) { /* * Return the current rdataset. */ REQUIRE(DNS_RDATASETITER_VALID(iterator)); REQUIRE(DNS_RDATASET_VALID(rdataset)); REQUIRE(! dns_rdataset_isassociated(rdataset)); iterator->methods->current(iterator, rdataset); }