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https://github.com/isc-projects/bind9.git
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134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/*
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* Copyright (C) 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: dbiterator.c,v 1.10 2000/07/27 09:45:59 tale Exp $ */
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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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