From: Maria Matejka <mq@ucw.cz>
Date: Fri, 31 Jan 2025 22:51:44 +0000 (+0100)
Subject: Taming static checker: don't memcpy zero length
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=729a01cda2842046fa55f2312d75f34ccad8d4a5;p=thirdparty%2Fbird.git

Taming static checker: don't memcpy zero length
---

diff --git a/lib/attrs.h b/lib/attrs.h
index c622fc0aa..ae9de9c64 100644
--- a/lib/attrs.h
+++ b/lib/attrs.h
@@ -33,7 +33,8 @@ static inline struct adata *
 lp_store_adata(struct linpool *pool, const void *buf, uint len)
 {
   struct adata *ad = lp_alloc_adata(pool, len);
-  memcpy(ad->data, buf, len);
+  if (len)
+    memcpy(ad->data, buf, len);
   return ad;
 }