From c4de50c91d1ac5955abd7fb1452b81e3ca579b7f Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Thu, 7 Jan 2021 10:32:44 +0100
Subject: [PATCH] rec: Set the Protocol Buffer 'inBytes' field for zero-length
 messages

Th existing Protocol Buffer code used to do that, so existing receivers
might expect that field to be present.
---
 pdns/protozero.hh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pdns/protozero.hh b/pdns/protozero.hh
index a9cdfd8589..f5e2d150be 100644
--- a/pdns/protozero.hh
+++ b/pdns/protozero.hh
@@ -87,9 +87,7 @@ namespace pdns {
 
       void setInBytes(uint64_t len)
       {
-        if (len) {
-          add_uint64(d_message, Field::inBytes, len);
-        }
+        add_uint64(d_message, Field::inBytes, len);
       }
 
       void setTime()
-- 
2.47.2