llmnr-query: Inform about empty responses

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 5 insertions, 0 deletions

diff --git a/llmnr-query.c b/llmnr-query.c
index cf738e4..66bbe89 100644
--- a/llmnr-query.c
+++ b/llmnr-query.c
@@ -252,6 +252,11 @@ int main(int argc, char **argv)
 			hdr = (struct llmnr_hdr *)pkt_put(p, sizeof(*hdr));
 			ancount = htons(hdr->ancount);
 
+			if (ancount == 0) {
+				log_info("LLMNR response: no answer records returned\n");
+				continue;
+			}
+
 			/* skip the original query */
 			pkt_put(p, query_pkt_len);