/contrib/bind9/lib/dns/rdatasetiter.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 80 lines · 31 code · 19 blank · 30 comment · 2 complexity · 82ca33857df2a1a346a7c2e8f7325a92 MD5 · raw file
- /*
- * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1999-2001 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC 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 1.16 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);
- }