winecfg: Fix audio crash when no drivers are available.

6f4e2083 · Robert Reif · Alexandre Julliard · b4a5df1c · 6f4e2083
Commit 6f4e2083 authored May 07, 2006 by Robert Reif Committed by Alexandre Julliard May 08, 2006
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Showing with 7 additions and 2 deletions

audio.c programs/winecfg/audio.c +7 -2

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--- a/programs/winecfg/audio.c
+++ b/programs/winecfg/audio.c
@@ -519,8 +519,13 @@ static void findAudioDrivers(void)
    SetCursor(old_cursor);

    /* terminate list with empty driver */
-    loadedAudioDrv = HeapReAlloc(GetProcessHeap(), 0, loadedAudioDrv, (numFound + 1) * sizeof(AUDIO_DRIVER));
-    CopyMemory(&loadedAudioDrv[numFound], pAudioDrv, sizeof(AUDIO_DRIVER));
+    if (numFound) {
+        loadedAudioDrv = HeapReAlloc(GetProcessHeap(), 0, loadedAudioDrv, (numFound + 1) * sizeof(AUDIO_DRIVER));
+        CopyMemory(&loadedAudioDrv[numFound], pAudioDrv, sizeof(AUDIO_DRIVER));
+    } else {
+        loadedAudioDrv = HeapAlloc(GetProcessHeap(), 0, sizeof(AUDIO_DRIVER));
+        ZeroMemory(&loadedAudioDrv[0], sizeof(AUDIO_DRIVER));
+    }
 }

 /* check local copy of registry string for unloadable drivers */