From: Alexander Yakushev <yakushev.alex@gmail.com>
Date: Tue, 30 Nov 2010 05:32:37 +0000 (+0200)
Subject: Added a gag to prevent crashes on parsing errors
X-Git-Url: https://gitweb.fluxo.info/?a=commitdiff_plain;h=0e0b19c905d58f6795a57f8042a958a76dec7f60;p=awesompd.git

Added a gag to prevent crashes on parsing errors
---

diff --git a/utf8.lua b/utf8.lua
index 3db6642..72177c2 100644
--- a/utf8.lua
+++ b/utf8.lua
@@ -100,6 +100,10 @@ end
 -- instead of bytes
 function utf8sub (s, i, j)
    j = j or -1
+
+   if i == nil then
+      return ""
+   end
    
    local pos = 1
    local bytes = string.len(s)