native_midi_win32.c (native_midi_active): Fixed possible crash

In some cases, I have recognized a crash, mainly, on attempt to verify the activity state while NativeMIDI is not initialized.
libsdl-org · Nov 26, 2019 · 5f7c973 · 5f7c973
1 parent 7462431
commit 5f7c973
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/codecs/native_midi/native_midi_win32.c b/src/codecs/native_midi/native_midi_win32.c
@@ -298,6 +298,10 @@ void native_midi_stop(void)
 
 int native_midi_active(void)
 {
+  if (!hMidiStream)
+    return 0;
+  if (!currentsong)
+    return 0;
   return currentsong->MusicPlaying;
 }