From ac6c5e6b48da3ab48422bfde8d5164091fbde270 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Wed, 21 May 2014 02:05:26 +0000
Subject: [PATCH] lua - nullcheck bizstring.split()

---
 BizHawk.Client.Common/lua/EmuLuaLibrary.String.cs | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/BizHawk.Client.Common/lua/EmuLuaLibrary.String.cs b/BizHawk.Client.Common/lua/EmuLuaLibrary.String.cs
index 35f46d5b92..76db885d01 100644
--- a/BizHawk.Client.Common/lua/EmuLuaLibrary.String.cs
+++ b/BizHawk.Client.Common/lua/EmuLuaLibrary.String.cs
@@ -144,13 +144,16 @@ namespace BizHawk.Client.Common
 		public LuaTable Split(string str, string separator)
 		{
 			var table = Lua.NewTable();
-			var splitStr = str.Split(
-				new char[] { separator.FirstOrDefault() },
-				StringSplitOptions.RemoveEmptyEntries);
-
-			for(int i = 0; i < splitStr.Length; i++)
+			if (!string.IsNullOrEmpty(str))
 			{
-				table[i] = splitStr[i];
+				var splitStr = str.Split(
+					new char[] { separator.FirstOrDefault() },
+					StringSplitOptions.RemoveEmptyEntries);
+
+				for (int i = 0; i < splitStr.Length; i++)
+				{
+					table[i] = splitStr[i];
+				}
 			}
 
 			return table;