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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* 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 https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <stdbool.h>
#include <isc/util.h>
#include <dns/dbiterator.h>
#include <dns/name.h>
void
dns__dbiterator_destroy(dns_dbiterator_t **iteratorp DNS__DB_FLARG) {
/*
* Destroy '*iteratorp'.
*/
REQUIRE(iteratorp != NULL);
REQUIRE(DNS_DBITERATOR_VALID(*iteratorp));
(*iteratorp)->methods->destroy(iteratorp DNS__DB_FLARG_PASS);
ENSURE(*iteratorp == NULL);
}
isc_result_t
dns__dbiterator_first(dns_dbiterator_t *iterator DNS__DB_FLARG) {
/*
* Move the node cursor to the first node in the database (if any).
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->first(iterator DNS__DB_FLARG_PASS);
}
isc_result_t
dns__dbiterator_last(dns_dbiterator_t *iterator DNS__DB_FLARG) {
/*
* Move the node cursor to the first node in the database (if any).
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->last(iterator DNS__DB_FLARG_PASS);
}
isc_result_t
dns__dbiterator_seek(dns_dbiterator_t *iterator,
const dns_name_t *name DNS__DB_FLARG) {
/*
* Move the node cursor to the node with name 'name'.
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->seek(iterator, name DNS__DB_FLARG_PASS);
}
isc_result_t
dns__dbiterator_prev(dns_dbiterator_t *iterator DNS__DB_FLARG) {
/*
* Move the node cursor to the previous node in the database (if any).
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->prev(iterator DNS__DB_FLARG_PASS);
}
isc_result_t
dns__dbiterator_next(dns_dbiterator_t *iterator DNS__DB_FLARG) {
/*
* Move the node cursor to the next node in the database (if any).
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->next(iterator DNS__DB_FLARG_PASS);
}
isc_result_t
dns__dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep,
dns_name_t *name DNS__DB_FLARG) {
/*
* Return the current node.
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
REQUIRE(nodep != NULL && *nodep == NULL);
REQUIRE(name == NULL || dns_name_hasbuffer(name));
return iterator->methods->current(iterator, nodep,
name DNS__DB_FLARG_PASS);
}
isc_result_t
dns_dbiterator_pause(dns_dbiterator_t *iterator) {
/*
* Pause iteration.
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
return iterator->methods->pause(iterator);
}
isc_result_t
dns_dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) {
/*
* Return the origin to which returned node names are relative.
*/
REQUIRE(DNS_DBITERATOR_VALID(iterator));
REQUIRE(iterator->relative_names);
REQUIRE(dns_name_hasbuffer(name));
return iterator->methods->origin(iterator, name);
}
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