From e953987c9c6d3eadd8c1404e2e7bb957998ae1f6 Mon Sep 17 00:00:00 2001
From: Coder12a <38924418+Coder12a@users.noreply.github.com>
Date: Sun, 19 May 2019 22:21:21 -0500
Subject: [PATCH] Never: write nil to file

---
 colddb.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/colddb.lua b/colddb.lua
index a6cf88f..593a93e 100644
--- a/colddb.lua
+++ b/colddb.lua
@@ -100,6 +100,9 @@ function colddb.Colddb(dir)
 	
 	local function save_table(name, _table)
 		minetest.log(string.format("%s/%s.cold", directory, name))
+		if save_table == nil or name == nil then
+			return false
+		end
 		return minetest.safe_file_write(string.format("%s/%s.cold", directory, name), minetest.serialize(_table))
 	end