From efac02515e7eaf229e4a4f24f3cdfa5514c37ea0 Mon Sep 17 00:00:00 2001
From: Joshua Seigler <github@joshua.seigler.net>
Date: Sun, 26 Jun 2016 13:21:12 -0400
Subject: [PATCH] avoid hashing an empty string

---
 buffer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/buffer.php b/buffer.php
index d5a2637..262d7f2 100644
--- a/buffer.php
+++ b/buffer.php
@@ -14,7 +14,7 @@
   // return location and name for cache file
   function cache_file()
   {
-    return CACHE_PATH . md5($_SERVER['REQUEST_URI']);
+    return CACHE_PATH . md5('buffer'.$_SERVER['REQUEST_URI']);
   }
 
   // display cached file if present and not expired