From: W.C.A. Wijngaards <wouter@nlnetlabs.nl>
Date: Thu, 13 Nov 2025 13:22:37 +0000 (+0100)
Subject: Fix RR Type AMTRELAY type nogateway to print a relay of '.', RFC8777.
X-Git-Tag: 1.9.0-rc.1~19^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da0c525166ba6491e7006f6142d1c7f4344f8fd6;p=thirdparty%2Fldns.git

Fix RR Type AMTRELAY type nogateway to print a relay of '.', RFC8777.
---

diff --git a/host2str.c b/host2str.c
index 61dcece7..d0a20d42 100644
--- a/host2str.c
+++ b/host2str.c
@@ -1422,6 +1422,8 @@ ldns_rdf2buffer_str_amtrelay(ldns_buffer *output, const ldns_rdf *rdf)
 			precedence, discovery_optional, relay_type);
 	if (relay)
 	  	(void) ldns_rdf2buffer_str(output, relay);
+	else
+		ldns_buffer_printf(output, ".");
 
 	ldns_rdf_deep_free(relay);
 	return ldns_buffer_status(output);