From 396e149f321c2b7c2d3f37e86c1a45675f7acdde Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Mon, 2 Aug 1999 22:17:36 +0000
Subject: [PATCH] additional data support

---
 lib/dns/include/dns/rdataset.h | 28 ++++++++++++++++++++++++++++
 lib/dns/include/dns/types.h    |  3 +++
 2 files changed, 31 insertions(+)

diff --git a/lib/dns/include/dns/rdataset.h b/lib/dns/include/dns/rdataset.h
index a069acac26..6519bfc4c1 100644
--- a/lib/dns/include/dns/rdataset.h
+++ b/lib/dns/include/dns/rdataset.h
@@ -289,6 +289,34 @@ dns_rdataset_towire(dns_rdataset_t *rdataset,
  *	dns_name_towire().
  */
 
+dns_result_t
+dns_rdataset_additionaldata(dns_rdataset_t *rdataset,
+			    dns_additionaldatafunc_t add, void *arg);
+/*
+ * For each rdata in rdataset, call 'add' for each name and type in the
+ * rdata which is subject to additional section processing.
+ *
+ * Requires:
+ *
+ *	'rdataset' is a valid, non-question rdataset.
+ *
+ *	'add' is a valid dns_additionaldatafunc_t
+ *
+ * Ensures:
+ *
+ *	If successful, dns_rdata_additionaldata() will have been called for
+ *	each rdata in 'rdataset'.
+ *
+ *	If a call to dns_rdata_additionaldata() is not successful, the
+ *	result returned will be the result of dns_rdataset_additionaldata().
+ *
+ * Returns:
+ *
+ *	DNS_R_SUCCESS
+ *
+ *	Any error that dns_rdata_additionaldata() can return.
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_RDATASET_H */
diff --git a/lib/dns/include/dns/types.h b/lib/dns/include/dns/types.h
index 7ebee22dd0..3ddfbc9e73 100644
--- a/lib/dns/include/dns/types.h
+++ b/lib/dns/include/dns/types.h
@@ -162,6 +162,9 @@ enum {
 typedef isc_result_t
 (*dns_addrdatasetfunc_t)(void *, dns_name_t *, dns_rdataset_t *);
 
+typedef isc_result_t
+(*dns_additionaldatafunc_t)(void *, dns_name_t *, dns_rdatatype_t);
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_TYPES_H */