From efe6d8f0665b466052910e8efd4b031dc048f196 Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Thu, 11 Mar 1999 06:00:22 +0000
Subject: [PATCH] add dns_db_allrdatasets

---
 lib/dns/db.c             | 15 +++++++++++++++
 lib/dns/include/dns/db.h | 39 +++++++++++++++++++++++++++++++++++----
 2 files changed, 50 insertions(+), 4 deletions(-)

diff --git a/lib/dns/db.c b/lib/dns/db.c
index ecf7e5d0c4..53703e5e3c 100644
--- a/lib/dns/db.c
+++ b/lib/dns/db.c
@@ -327,6 +327,21 @@ dns_db_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 					    rdataset));
 }
 
+dns_result_t
+dns_db_allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+		    dns_rdatasetiter_t **iteratorp)
+{
+	/*
+	 * Make '*iteratorp' an rdataset iteratator for all rdatasets at
+	 * 'node' in version 'version' of 'db'.
+	 */
+
+	REQUIRE(DNS_DB_VALID(db));
+	REQUIRE(iteratorp != NULL && *iteratorp == NULL);
+
+	return ((db->methods->allrdatasets)(db, node, version, iteratorp));
+}
+
 dns_result_t
 dns_db_addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		   dns_rdataset_t *rdataset)
diff --git a/lib/dns/include/dns/db.h b/lib/dns/include/dns/db.h
index 5a2857cc33..35509247cf 100644
--- a/lib/dns/include/dns/db.h
+++ b/lib/dns/include/dns/db.h
@@ -98,6 +98,9 @@ typedef struct dns_dbmethods {
 					dns_dbversion_t *version,
 					dns_rdatatype_t type,
 					dns_rdataset_t *rdataset);
+	dns_result_t	(*allrdatasets)(dns_db_t *db, dns_dbnode_t *node,
+					dns_dbversion_t *version,
+					dns_rdatasetiter_t **iteratorp);
 	dns_result_t	(*addrdataset)(dns_db_t *db, dns_dbnode_t *node,
 				       dns_dbversion_t *version,
 				       dns_rdataset_t *rdataset);
@@ -521,6 +524,38 @@ dns_db_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
  *	implementation used.
  */
 
+dns_result_t
+dns_db_allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+		    dns_rdatasetiter_t **iteratorp);
+/*
+ * Make '*iteratorp' an rdataset iteratator for all rdatasets at 'node' in
+ * version 'version' of 'db'.
+ *
+ * Notes:
+ *
+ *	If 'version' is NULL, then the current version will be used.
+ *
+ * Requires:
+ *
+ *	'db' is a valid database.
+ *
+ *	'node' is a valid node.
+ *
+ *	iteratorp != NULL && *iteratorp == NULL
+ *
+ * Ensures:
+ *
+ *	On success, '*iteratorp' is a valid rdataset iterator.
+ *
+ * Returns:
+ *
+ *	DNS_R_SUCCESS
+ *	DNS_R_NOTFOUND
+ *	
+ *	Other results are possible, depending upon the database
+ *	implementation used.
+ */
+
 dns_result_t
 dns_db_addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		   dns_rdataset_t *rdataset);
@@ -592,10 +627,6 @@ dns_db_deleterdataset(dns_db_t *db, dns_dbnode_t *node,
  *	implementation used.
  */
 
- /*
-  * XXX Need rdataset iterator for ANY queries.
-  */
- 
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_DB_H */