From a602c65354a4b595821d2300f38ebc107d07e2a9 Mon Sep 17 00:00:00 2001
From: Jiri Drbalek <jiri.drbalek@firma.seznam.cz>
Date: Tue, 13 Feb 2018 14:11:36 +0000
Subject: [PATCH] AGG: Fix invalid memory access if input buffer size is zero

---
 deps/agg/include/agg_rendering_buffer.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/deps/agg/include/agg_rendering_buffer.h b/deps/agg/include/agg_rendering_buffer.h
index e9e278b90..2bb32e903 100644
--- a/deps/agg/include/agg_rendering_buffer.h
+++ b/deps/agg/include/agg_rendering_buffer.h
@@ -176,6 +176,10 @@ namespace agg
             {
                 m_rows.resize(height);
             }
+            else if(height == 0)
+            {
+                return;
+            }
 
             T* row_ptr = m_buf;