1 files changed, 143 insertions, 0 deletions
diff --git a/lib/dns/dbiterator.c b/lib/dns/dbiterator.c
new file mode 100644
index 0000000..d462ad5
--- /dev/null
+++ b/lib/dns/dbiterator.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2004, 2005  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and 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: dbiterator.c,v 1.14.18.2 2005/04/29 00:15:50 marka Exp $ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <isc/util.h>
+
+#include <dns/dbiterator.h>
+#include <dns/name.h>
+
+void
+dns_dbiterator_destroy(dns_dbiterator_t **iteratorp) {
+	/*
+	 * Destroy '*iteratorp'.
+	 */
+
+	REQUIRE(iteratorp != NULL);
+	REQUIRE(DNS_DBITERATOR_VALID(*iteratorp));
+
+	(*iteratorp)->methods->destroy(iteratorp);
+
+	ENSURE(*iteratorp == NULL);
+}
+
+isc_result_t
+dns_dbiterator_first(dns_dbiterator_t *iterator) {
+	/*
+	 * Move the node cursor to the first node in the database (if any).
+	 */
+
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	return (iterator->methods->first(iterator));
+}
+
+isc_result_t
+dns_dbiterator_last(dns_dbiterator_t *iterator) {
+	/*
+	 * Move the node cursor to the first node in the database (if any).
+	 */
+
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	return (iterator->methods->last(iterator));
+}
+
+isc_result_t
+dns_dbiterator_seek(dns_dbiterator_t *iterator, dns_name_t *name) {
+	/*
+	 * Move the node cursor to the node with name 'name'.
+	 */
+
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	return (iterator->methods->seek(iterator, name));
+}
+
+isc_result_t
+dns_dbiterator_prev(dns_dbiterator_t *iterator) {
+	/*
+	 * Move the node cursor to the previous node in the database (if any).
+	 */
+
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	return (iterator->methods->prev(iterator));
+}
+
+isc_result_t
+dns_dbiterator_next(dns_dbiterator_t *iterator) {
+	/*
+	 * Move the node cursor to the next node in the database (if any).
+	 */
+
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	return (iterator->methods->next(iterator));
+}
+
+isc_result_t
+dns_dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep,
+		       dns_name_t *name)
+{
+	/*
+	 * 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));
+}
+
+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));
+}
+
+void
+dns_dbiterator_setcleanmode(dns_dbiterator_t *iterator, isc_boolean_t mode) {
+	REQUIRE(DNS_DBITERATOR_VALID(iterator));
+
+	iterator->cleaning = mode;
+}