From 5a4cfae182b99beb2f6ca1f4c349a7646f287bd6 Mon Sep 17 00:00:00 2001
From: Yonas Habteab <yonas.habteab@icinga.com>
Date: Tue, 24 Mar 2026 16:38:55 +0100
Subject: [PATCH] Warn of object name exceeds `255` characters

---
 lib/config/configitembuilder.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/config/configitembuilder.cpp b/lib/config/configitembuilder.cpp
index 470afd303..6de6af556 100644
--- a/lib/config/configitembuilder.cpp
+++ b/lib/config/configitembuilder.cpp
@@ -96,6 +96,15 @@ ConfigItem::Ptr ConfigItemBuilder::Compile()
 			<< "Object name of type '" << m_Type->GetName() << "' contains leading/trailing whitespace.\n" << oss.str();
 	}
 
+	if (m_Name.GetLength() > 255) {
+		std::ostringstream oss;
+		ShowCodeLocation(oss, m_DebugInfo, false);
+
+		Log(LogWarning, "config")
+			<< "Object name of type '" << m_Type->GetName() << "' is too long (length: " << m_Name.GetLength()
+			<< ", max: 255).\n" << oss.str();
+	}
+
 	std::vector<std::unique_ptr<Expression> > exprs;
 
 	Array::Ptr templateArray = new Array({ m_Name });