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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4fbae8eab482fc8d77e22bb487563746d280078b
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4fbae8eab482fc8d77e22bb487...

Author: Michael Stefaniuc <mstefani(a)winehq.org>
Date:   Mon May  1 02:15:50 2017 +0200

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

Suggested by Michael Müller.

Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/dmusic/buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/dmusic/buffer.c b/dlls/dmusic/buffer.c
index bd0ad1a..eecacbb 100644
--- 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);