From ebe3da4fbf11de76a0c33c90e355ea0e401b5b01 Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 10 Oct 2023 10:32:03 +0200
Subject: [PATCH] dnsdist: Prevent a warning about pointer arithmetic use

---
 pdns/dnsdist.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdns/dnsdist.cc b/pdns/dnsdist.cc
index 8ceb242346..8e2eee70c1 100644
--- a/pdns/dnsdist.cc
+++ b/pdns/dnsdist.cc
@@ -1572,7 +1572,7 @@ bool assignOutgoingUDPQueryToBackend(std::shared_ptr<DownstreamState>& ds, uint1
     auto proxyProtocolPayloadSize = dq.ids.d_proxyProtocolPayloadSize;
     auto idOffset = ds->saveState(std::move(dq.ids));
     /* set the correct ID */
-    memcpy(query.data() + proxyProtocolPayloadSize, &idOffset, sizeof(idOffset));
+    memcpy(&query.at(proxyProtocolPayloadSize), &idOffset, sizeof(idOffset));
 
     /* you can't touch ids or du after this line, unless the call returned a non-negative value,
        because it might already have been freed */
-- 
2.47.2