From eb2a8fe8b8cd043fd9cca76173a2ede802b270b2 Mon Sep 17 00:00:00 2001
From: sapier <Sapier at GMX dot net>
Date: Sat, 26 Jan 2013 10:32:08 +0000
Subject: [PATCH] check parameters for minetest.log lua function

---
 src/scriptapi.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index 8e4a43266..35e708a04 100644
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -4415,8 +4415,8 @@ static int l_log(lua_State *L)
 	}
 	else
 	{
-		std::string levelname = lua_tostring(L, 1);
-		text = lua_tostring(L, 2);
+		std::string levelname = luaL_checkstring(L, 1);
+		text = luaL_checkstring(L, 2);
 		if(levelname == "error")
 			level = LMT_ERROR;
 		else if(levelname == "action")
-- 
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