ModelRegistry: Special case empty file names

Related to ticket: https://sourceforge.net/p/flightgear/codetickets/2609/
2021-07-21 22:53:12 +01:00 · 2021-07-21 22:53:12 +01:00 · 5f334d3839
commit 5f334d3839
parent 999e499ce5
1 changed files with 4 additions and 0 deletions
--- a/simgear/scene/model/ModelRegistry.cxx
+++ b/simgear/scene/model/ModelRegistry.cxx
@ -733,6 +733,10 @@ ReaderWriter::ReadResult
 ModelRegistry::readNode(const string& fileName,
                        const Options* opt)
 {
+    if (fileName.empty()) {
+        return osgDB::ReaderWriter::ReadResult::FILE_NOT_HANDLED;
+    }
+
    // propogate error context from the caller
    simgear::ErrorReportContext ec;
    auto sgopt = dynamic_cast<const SGReaderWriterOptions*>(opt);