rdatasetiter.c revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
* Copyright (C) 1999-2001, 2004, 2005, 2007, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* $Id: rdatasetiter.c,v 1.16 2007/06/19 23:47:16 tbox Exp $ */
/*! \file */
#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);
}