From ba7422a1ed25f3b967a5a4919cbc9030d14384c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20Unneb=C3=A4ck?= <linus@folkdatorn.se>
Date: Thu, 26 May 2016 19:53:17 +0200
Subject: [PATCH] Fix leak of data when streaming JPEG

---
 src/JPEGStream.h    | 2 +-
 test/canvas.test.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/JPEGStream.h b/src/JPEGStream.h
index bf43ae4..edc887e 100644
--- a/src/JPEGStream.h
+++ b/src/JPEGStream.h
@@ -53,7 +53,7 @@ term_closure_destination(j_compress_ptr cinfo){
   closure_destination_mgr *dest = (closure_destination_mgr *) cinfo->dest;
 
   /* emit remaining data */
-  Local<Object> buf = Nan::NewBuffer((char *)dest->buffer, dest->bufsize).ToLocalChecked();
+  Local<Object> buf = Nan::NewBuffer((char *)dest->buffer, dest->bufsize - dest->pub.free_in_buffer).ToLocalChecked();
 
   Local<Value> data_argv[2] = {
       Nan::Null()
diff --git a/test/canvas.test.js b/test/canvas.test.js
index 8821aed..dedf874 100644
--- a/test/canvas.test.js
+++ b/test/canvas.test.js
@@ -817,7 +817,7 @@ describe('Canvas', function () {
       bytes += chunk.length;
     });
     stream.on('end', function(){
-      assert.equal(bytes, 8192);
+      assert.equal(bytes, 5427);
       done();
     });
     stream.on('error', function(err) {