#5440: Fix exception on writing layer mappings of an empty map to the…

… .darkradiant file
codereader · Dec 19, 2020 · 2bd99ba · 2bd99ba
1 parent 8b74197
commit 2bd99ba
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/radiantcore/layers/LayerInfoFileModule.cpp b/radiantcore/layers/LayerInfoFileModule.cpp
@@ -114,7 +114,10 @@ void LayerInfoFileModule::writeBlocks(std::ostream& stream)
 	stream << "\t{" << std::endl;
 
 	// Write the output buffer to the stream
-	stream << _output.rdbuf();
+    if (_output.tellp() > 0)
+    {
+	    stream << _output.rdbuf();
+    }
 
 	// Closing braces of NodeToLayerMapping block
 	stream << "\t}" << std::endl;