Christian Costa : dmusic: Implement IDirectMusicBuffer_SetUsedBytes.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 19cb2d2171ceeb5a5cb71501e4172d64fb67c8fc
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=19cb2d2171ceeb5a5cb71501e4...

Author: Christian Costa 
Date:   Mon May 14 08:06:39 2012 +0200

dmusic: Implement IDirectMusicBuffer_SetUsedBytes.

---

dlls/dmusic/buffer.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/dmusic/buffer.c b/dlls/dmusic/buffer.c
index 2fd76b5..35cbd88 100644
--- a/dlls/dmusic/buffer.c
+++ b/dlls/dmusic/buffer.c
@@ -1,6 +1,8 @@
-/* IDirectMusicBuffer Implementation
+/*
+ * IDirectMusicBuffer Implementation
  *
  * Copyright (C) 2003-2004 Rok Mandeljc
+ * Copyright (C) 2012 Christian Costa
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -241,11 +243,16 @@ static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime(LPDIRECTMUSICBUFFER if
     return S_OK;
 }

-static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb)
+static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes(LPDIRECTMUSICBUFFER iface, DWORD used_bytes)
 {
     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);

-    FIXME("(%p, %d): stub\n", This, cb);
+    TRACE("(%p)->(%u)\n", iface, used_bytes);
+
+    if (used_bytes > This->size)
+        return DMUS_E_BUFFER_FULL;
+
+    This->write_pos = used_bytes;

return S_OK;
 }