Fake MIDI_IO_STATUS support in midi in open

dlls/winmm/wineoss/midi.c

@@ -553,6 +553,7 @@ static VOID WINAPI midTimeCallback(HWND hwnd, UINT msg, UINT id, DWORD dwTime)
     
     len = read(midiSeqFD, buffer, sizeof(buffer));
     
+    if (len < 0) return;
     if ((len % 4) != 0) {
 	WARN("bad length %d (%d)\n", len, errno);
 	return;
@@ -627,6 +628,7 @@ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 	WARN("Invalid Parameter !\n");
 	return MMSYSERR_INVALPARAM;
     }
+
     /* FIXME :
      *	how to check that content of lpDesc is correct ?
      */
@@ -638,8 +640,12 @@ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 	WARN("device already open !\n");
 	return MMSYSERR_ALLOCATED;
     }
+    if ((dwFlags & MIDI_IO_STATUS) != 0) { 
+	WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
+	dwFlags &= ~MIDI_IO_STATUS;
+    }
     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) { 
-	FIXME("No support for MIDI_IO_STATUS in dwFlags\n");
+	FIXME("Bad dwFlags\n");
 	return MMSYSERR_INVALFLAG;
     }
     

include/mmsystem.h

@@ -114,6 +114,8 @@ typedef struct {
 #define MM_MOM_DONE         0x3C9
 #define MM_MOM_POSITIONCB   0x3CA
 
+#define MM_MIM_MOREDATA     0x3CC
+
 #define MMSYSERR_BASE          0
 #define WAVERR_BASE            32
 #define MIDIERR_BASE           64
@@ -471,6 +473,9 @@ typedef WORD *LPKEYARRAY;
 #define MIDIMAPPER     (-1)
 #define MIDI_MAPPER    (-1)
 
+/* Only on Win95 and up */
+#define MIDI_IO_STATUS	0x00000020L
+
 /* flags for wFlags parm of 
 	midiOutCachePatches(), 
 	midiOutCacheDrumPatches() */