From d9cd45cd0a0eb70b110c3656f0f61739bccaf356 Mon Sep 17 00:00:00 2001
From: Brad Harding <brad@doomretro.com>
Date: Sun, 6 Oct 2024 12:47:40 +1100
Subject: [PATCH] Bring back midiOutPrepareHeader(), but check for ASan

---
 src/i_winmusic.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/i_winmusic.c b/src/i_winmusic.c
index e56c3967c..a3b08db6c 100644
--- a/src/i_winmusic.c
+++ b/src/i_winmusic.c
@@ -490,10 +490,20 @@ void I_Windows_UnregisterSong(void)
 
 void I_Windows_ShutdownMusic(void)
 {
+#if !defined(__SANITIZE_ADDRESS__)
+    MMRESULT    mmr;
+#endif
+
     I_Windows_StopSong();
     I_Windows_UnregisterSong();
 
-    //midiOutUnprepareHeader((HMIDIOUT)hMidiStream, &buffer.MidiStreamHdr, sizeof(MIDIHDR));
+#if !defined(__SANITIZE_ADDRESS__)
+    if ((mmr = midiOutUnprepareHeader((HMIDIOUT)hMidiStream, &buffer.MidiStreamHdr, sizeof(MIDIHDR))) != MMSYSERR_NOERROR)
+    {
+        MidiErrorMessage(mmr);
+        return;
+    }
+#endif
 
     midiStreamClose(hMidiStream);