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144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
/*
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* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1999-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: dbiterator.c,v 1.18 2007/06/19 23:47:16 tbox Exp $ */
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/*! \file */
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#include <config.h>
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#include <isc/util.h>
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#include <dns/dbiterator.h>
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#include <dns/name.h>
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void
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dns_dbiterator_destroy(dns_dbiterator_t **iteratorp) {
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/*
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* Destroy '*iteratorp'.
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*/
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REQUIRE(iteratorp != NULL);
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REQUIRE(DNS_DBITERATOR_VALID(*iteratorp));
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(*iteratorp)->methods->destroy(iteratorp);
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ENSURE(*iteratorp == NULL);
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}
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isc_result_t
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dns_dbiterator_first(dns_dbiterator_t *iterator) {
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/*
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* Move the node cursor to the first node in the database (if any).
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->first(iterator));
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}
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isc_result_t
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dns_dbiterator_last(dns_dbiterator_t *iterator) {
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/*
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* Move the node cursor to the first node in the database (if any).
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->last(iterator));
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}
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isc_result_t
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dns_dbiterator_seek(dns_dbiterator_t *iterator, dns_name_t *name) {
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/*
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* Move the node cursor to the node with name 'name'.
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->seek(iterator, name));
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}
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isc_result_t
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dns_dbiterator_prev(dns_dbiterator_t *iterator) {
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/*
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* Move the node cursor to the previous node in the database (if any).
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->prev(iterator));
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}
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isc_result_t
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dns_dbiterator_next(dns_dbiterator_t *iterator) {
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/*
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* Move the node cursor to the next node in the database (if any).
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->next(iterator));
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}
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isc_result_t
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dns_dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep,
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dns_name_t *name)
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{
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/*
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* Return the current node.
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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REQUIRE(nodep != NULL && *nodep == NULL);
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REQUIRE(name == NULL || dns_name_hasbuffer(name));
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return (iterator->methods->current(iterator, nodep, name));
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}
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isc_result_t
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dns_dbiterator_pause(dns_dbiterator_t *iterator) {
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/*
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* Pause iteration.
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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return (iterator->methods->pause(iterator));
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}
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isc_result_t
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dns_dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) {
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/*
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* Return the origin to which returned node names are relative.
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*/
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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REQUIRE(iterator->relative_names);
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REQUIRE(dns_name_hasbuffer(name));
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return (iterator->methods->origin(iterator, name));
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}
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void
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dns_dbiterator_setcleanmode(dns_dbiterator_t *iterator, isc_boolean_t mode) {
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REQUIRE(DNS_DBITERATOR_VALID(iterator));
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iterator->cleaning = mode;
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}
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