From: Fred Morcos <fred.morcos@open-xchange.com>
Date: Fri, 18 Oct 2024 10:42:00 +0000 (+0200)
Subject: Statically ensure MDBInVal can store requested values
X-Git-Tag: rec-5.2.0-alpha1~23^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F14782%2Fhead;p=thirdparty%2Fpdns.git

Statically ensure MDBInVal can store requested values
---

diff --git a/ext/lmdb-safe/lmdb-safe.hh b/ext/lmdb-safe/lmdb-safe.hh
index 6021bac61c..8190f16ca7 100644
--- a/ext/lmdb-safe/lmdb-safe.hh
+++ b/ext/lmdb-safe/lmdb-safe.hh
@@ -290,6 +290,7 @@ public:
   MDBInVal(T rhs)
   {
     auto rhsNetworkOrder = hostToNetworkByteOrder(rhs);
+    static_assert(sizeof(rhsNetworkOrder) <= sizeof(d_memory));
     memcpy(&d_memory[0], &rhsNetworkOrder, sizeof(rhsNetworkOrder));
     d_mdbval.mv_size = sizeof(rhs);
     d_mdbval.mv_data = static_cast<void*>(d_memory);