AGG: Fix invalid memory access if input buffer size is zero

mapnik · Feb 14, 2018 · a602c65 · a602c65
1 parent 098fd27
commit a602c65
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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;