From 9ce2d8ebec9e52c8bf6ade4df7f5a41ec81a9d11 Mon Sep 17 00:00:00 2001
From: Jason Rose <jrose@shutterfly.com>
Date: Thu, 15 Aug 2013 17:23:01 -0700
Subject: [PATCH] Freeing custom buffer created during canvas jpeg streaming.

---
 src/JPEGStream.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/JPEGStream.h b/src/JPEGStream.h
index 0e0738c..041b950 100644
--- a/src/JPEGStream.h
+++ b/src/JPEGStream.h
@@ -95,6 +95,13 @@ jpeg_closure_dest(j_compress_ptr cinfo, closure_t * closure, int bufsize){
   cinfo->dest->free_in_buffer = dest->bufsize;
 }
 
+void
+jpeg_free_custom_allocations(j_compress_ptr cinfo){
+  closure_destination_mgr * dest;
+  dest = (closure_destination_mgr *) cinfo->dest;
+  free(dest->buffer);
+}
+
 void
 write_to_jpeg_stream(cairo_surface_t *surface, int bufsize, int quality, bool progressive, closure_t *closure){
   int w = cairo_image_surface_get_width(surface);
@@ -136,6 +143,7 @@ write_to_jpeg_stream(cairo_surface_t *surface, int bufsize, int quality, bool pr
     sl++;
   }
   free(dst);
+  jpeg_free_custom_allocations(&cinfo);
   jpeg_finish_compress(&cinfo);
   jpeg_destroy_compress(&cinfo);
 }