fix double close

Astrabit-ST · Aug 15, 2024 · 27d615b · 27d615b
1 parent 7d3394e
commit 27d615b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/binding/filesystem-binding.cpp b/binding/filesystem-binding.cpp
@@ -39,10 +39,13 @@
 #include <ruby/thread.h>
 #endif
 
+#include "debugwriter.h"
+
 static void fileIntFreeInstance(void *inst) {
     SDL_IOStream *ops = static_cast<SDL_IOStream *>(inst);
 
-    SDL_CloseIO(ops);
+    if (ops) // if we aren't closed already
+        SDL_CloseIO(ops);
 }
 
 #if RAPI_FULL > 187
@@ -130,6 +133,7 @@ RB_METHOD(fileIntClose) {
 
     SDL_IOStream *ops = getPrivateData<SDL_IOStream>(self);
     SDL_CloseIO(ops);
+    setPrivateData(self, NULL); // mark as closed
 
     return Qnil;
 }