dmusic: Use DMUS_EVENT_SIZE() to calculate the size of the message.

Suggested by Michael Müller. Signed-off-by: Michael Stefaniuc <mstefani@winehq.org> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dmusic: Use DMUS_EVENT_SIZE() to calculate the size of the message.
4fbae8ea · Michael Stefaniuc · Alexandre Julliard · 4b5291a5 · 4fbae8ea
Commit 4fbae8ea authored May 01, 2017 by Michael Stefaniuc Committed by Alexandre Julliard May 01, 2017
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buffer.c dlls/dmusic/buffer.c +1 -1

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--- a/dlls/dmusic/buffer.c
+++ b/dlls/dmusic/buffer.c
@@ -100,7 +100,7 @@ static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime(LPDIRECTMUSICBUFFER iface
 static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME ref_time, DWORD channel_group, DWORD channel_message)
 {
    IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
-    DWORD new_write_pos = This->write_pos + sizeof(DMUS_EVENTHEADER) + sizeof(DWORD);
+    DWORD new_write_pos = This->write_pos + DMUS_EVENT_SIZE(sizeof(channel_message));
    DMUS_EVENTHEADER header;

    TRACE("(%p)->(0x%s, %u, 0x%x)\n", iface, wine_dbgstr_longlong(ref_time), channel_group, channel_message);