Fix possible null exception in DreamResource.CreateDirectory() (#1527)

* Fix possible null exception in `DreamResource.CreateDirectory()` * Use `GetDirectoryName()`
OpenDreamProject · Nov 3, 2023 · 4bb5b23 · 4bb5b23
1 parent 6570a8c
commit 4bb5b23
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/OpenDreamRuntime/Resources/DreamResource.cs b/OpenDreamRuntime/Resources/DreamResource.cs
@@ -61,7 +61,14 @@ public virtual void Output(DreamValue value) {
         }
 
         private void CreateDirectory() {
-            Directory.CreateDirectory(Path.GetDirectoryName(_filePath));
+            if (_filePath == null)
+                return;
+
+            string? directory = Path.GetDirectoryName(_filePath);
+            if (directory == null)
+                return;
+
+            Directory.CreateDirectory(directory);
         }
 
         public override string ToString() {