From: Andreas Gal <andreas.gal@gmail.com>
Date: Wed, 22 Jun 2011 06:34:26 +0000 (-0400)
Subject: ensureBuffer can modify this.buffer, so read it after ensureBuffer
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=3f713de5fea4f4f75641b61d5434351956f94c7d;p=pdf.js.git

ensureBuffer can modify this.buffer, so read it after ensureBuffer
---

diff --git a/pdf.js b/pdf.js
index a6dedb7..b53829a 100644
--- a/pdf.js
+++ b/pdf.js
@@ -671,9 +671,9 @@ var PredictorStream = (function() {
         var predictor = this.stream.getByte();
         var rawBytes = this.stream.getBytes(rowBytes);
 
-        var buffer = this.buffer;
         var bufferLength = this.bufferLength;
         this.ensureBuffer(bufferLength + pixBytes);
+        var buffer = this.buffer;
 
         var currentRow = buffer.subarray(bufferLength, bufferLength + rowBytes);
         var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);