winealsa.drv: Fix F0 and F7 byte insertion + memory leak and remove LP stuff in modLongData.

dlls/winealsa.drv/midi.c

@@ -932,7 +932,7 @@ static DWORD modData(WORD wDevID, DWORD dwParam)
 static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 {
     int len_add = 0;
-    LPBYTE	lpData, lpNewData = NULL;
+    BYTE *lpData, *lpNewData = NULL;
     snd_seq_event_t event;
 
     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
@@ -950,7 +950,7 @@ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 	return MIDIERR_NODEVICE;
     }
 
-    lpData = (LPBYTE) lpMidiHdr->lpData;
+    lpData = (BYTE*)lpMidiHdr->lpData;
 
     if (lpData == NULL)
 	return MIDIERR_UNPREPARED;
@@ -979,23 +979,23 @@ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
     switch (MidiOutDev[wDevID].caps.wTechnology) {
     case MOD_FMSYNTH:
         /* FIXME: I don't think there is much to do here */
+        HeapFree(GetProcessHeap(), 0, lpNewData);
         break;
     case MOD_MIDIPORT:
         if (lpData[0] != 0xF0) {
             /* Send start of System Exclusive */
             len_add = 1;
-	    lpData[0] = 0xF0;
-	    memcpy(lpNewData, lpData, lpMidiHdr->dwBufferLength);
-	    WARN("Adding missing 0xF0 marker at the beginning of "
-		 "system exclusive byte stream\n");
+            lpNewData[0] = 0xF0;
+            memcpy(lpNewData + 1, lpData, lpMidiHdr->dwBufferLength);
+            WARN("Adding missing 0xF0 marker at the beginning of system exclusive byte stream\n");
         }
         if (lpData[lpMidiHdr->dwBufferLength-1] != 0xF7) {
             /* Send end of System Exclusive */
-	    memcpy(lpData + len_add, lpData, lpMidiHdr->dwBufferLength);
-            lpNewData[lpMidiHdr->dwBufferLength + len_add - 1] = 0xF0;
+            if (!len_add)
+                memcpy(lpNewData, lpData, lpMidiHdr->dwBufferLength);
+            lpNewData[lpMidiHdr->dwBufferLength + len_add] = 0xF7;
             len_add++;
-	    WARN("Adding missing 0xF7 marker at the end of "
-		 "system exclusive byte stream\n");
+            WARN("Adding missing 0xF7 marker at the end of system exclusive byte stream\n");
         }
 	snd_seq_ev_clear(&event);
 	snd_seq_ev_set_direct(&event);
@@ -1004,8 +1004,7 @@ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 	TRACE("client = %d port = %d\n", MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
 	snd_seq_ev_set_sysex(&event, lpMidiHdr->dwBufferLength + len_add, lpNewData ? lpNewData : lpData);
 	snd_seq_event_output_direct(midiSeq, &event);
-	if (lpNewData)
-		HeapFree(GetProcessHeap(), 0, lpData);
+        HeapFree(GetProcessHeap(), 0, lpNewData);
         break;
     default:
 	WARN("Technology not supported (yet) %d !\n",