From 9797ada402445fa0b3c606afe84c0bd22410c231 Mon Sep 17 00:00:00 2001
From: Sokomine <wegwerf@anarres.dyndns.org>
Date: Sun, 15 Dec 2024 16:57:27 +0100
Subject: [PATCH] #5266 check if npc for npc_talk_privs exists

---
 npc_privs.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/npc_privs.lua b/npc_privs.lua
index b0cdf93..d4b3fb5 100644
--- a/npc_privs.lua
+++ b/npc_privs.lua
@@ -114,6 +114,12 @@ yl_speak_up.command_npc_talk_privs = function(pname, param)
 			table.concat(yl_speak_up.npc_priv_names, ", ")..".")
 		return
 	end
+	-- revoking privs of nonexistant NPC is allowed - but not granting them privs
+	if(command == "grant" and not(yl_speak_up.npc_list[n_id])) then
+		minetest.chat_send_player(pname,
+			"Unknown NPC \""..tostring(n_id).."\".\n")
+		return
+	end
 	if(command == "grant" and not(yl_speak_up.npc_priv_table[n_id])) then
 		yl_speak_up.npc_priv_table[n_id] = {}
 	end