From 82f40dd2e5d4af14153dd0c218af025b139a66c7 Mon Sep 17 00:00:00 2001
From: sbarman <sbarman@L3CWZ5T.(none)>
Date: Mon, 11 Jul 2011 16:44:58 -0700
Subject: [PATCH] cleanup

---
 pdf.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pdf.js b/pdf.js
index a96ea8742..a4c10fef7 100644
--- a/pdf.js
+++ b/pdf.js
@@ -5370,6 +5370,9 @@ var PDFFunction = (function() {
       var c1 = dict.get('C1') || [1];
       var n = dict.get('N');
       
+      if (!IsArray(c0) || !IsArray(c1))
+        error('Illegal dictionary for interpolated function');
+
       var length = c0.length;
       var diff = [];
       for (var i = 0; i < length; ++i)