From 964ebc0f4c8581b4147a53fdf1bfd7005d91ee2f Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Thu, 28 Feb 2013 21:07:31 -0600
Subject: gras: fix buffer stitch edge case issue #51

---
 lib/gras_impl/input_buffer_queues.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/gras_impl/input_buffer_queues.hpp b/lib/gras_impl/input_buffer_queues.hpp
index d192a2e..0db5cb4 100644
--- a/lib/gras_impl/input_buffer_queues.hpp
+++ b/lib/gras_impl/input_buffer_queues.hpp
@@ -273,7 +273,9 @@ GRAS_FORCE_INLINE void InputBufferQueues::push(const size_t i, const SBuffer &bu
     {
         SBuffer &b1 = _queues[i][j];
         SBuffer &b0 = _queues[i][j-1];
-        if (b1.last == b0.get(b0.length))
+        //can stitch when last is the end of the front pointer
+        //and the front also has a last (not accum buffer)
+        if (b1.last == b0.get(b0.length) and b0.last != 0)
         {
             const size_t bytes = b1.length;
             b0.length += bytes;
-- 
cgit