widl: Move initialization of the stub buffer size into write_remoting_arguments().
[wine] / dlls / dmusic / downloadedinstrument.c
1 /* IDirectMusicDownloadedInstrument Implementation
2  *
3  * Copyright (C) 2003-2004 Rok Mandeljc
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include "dmusic_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
23
24 /* IDirectMusicDownloadedInstrumentImpl IUnknown part: */
25 static HRESULT WINAPI IDirectMusicDownloadedInstrumentImpl_QueryInterface (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface, REFIID riid, LPVOID *ppobj) {
26         IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
27         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
28
29         if (IsEqualIID (riid, &IID_IUnknown)
30                 || IsEqualIID (riid, &IID_IDirectMusicDownloadedInstrument)) {
31                 IUnknown_AddRef(iface);
32                 *ppobj = This;
33                 return S_OK;
34         }
35         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
36         return E_NOINTERFACE;
37 }
38
39 static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_AddRef (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface) {
40         IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
41         ULONG refCount = InterlockedIncrement(&This->ref);
42
43         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
44
45         DMUSIC_LockModule();
46
47         return refCount;
48 }
49
50 static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_Release (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface) {
51         IDirectMusicDownloadedInstrumentImpl *This = (IDirectMusicDownloadedInstrumentImpl *)iface;
52         ULONG refCount = InterlockedDecrement(&This->ref);
53
54         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
55
56         if (!refCount) {
57                 HeapFree(GetProcessHeap(), 0, This);
58         }
59
60         DMUSIC_UnlockModule();
61         
62         return refCount;
63 }
64
65 /* IDirectMusicDownloadedInstrumentImpl IDirectMusicDownloadedInstrument part: */
66 /* none at this time */
67
68 static const IDirectMusicDownloadedInstrumentVtbl DirectMusicDownloadedInstrument_Vtbl = {
69         IDirectMusicDownloadedInstrumentImpl_QueryInterface,
70         IDirectMusicDownloadedInstrumentImpl_AddRef,
71         IDirectMusicDownloadedInstrumentImpl_Release
72 };
73
74 /* for ClassFactory */
75 HRESULT WINAPI DMUSIC_CreateDirectMusicDownloadedInstrumentImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
76         IDirectMusicDownloadedInstrumentImpl* dmdlinst;
77         
78         dmdlinst = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicDownloadedInstrumentImpl));
79         if (NULL == dmdlinst) {
80                 *ppobj = NULL;
81                 return E_OUTOFMEMORY;
82         }
83         dmdlinst->lpVtbl = &DirectMusicDownloadedInstrument_Vtbl;
84         dmdlinst->ref = 0; /* will be inited by QueryInterface */
85         
86         return IDirectMusicDownloadedInstrumentImpl_QueryInterface ((LPDIRECTMUSICDOWNLOADEDINSTRUMENT)dmdlinst, lpcGUID, ppobj);       
87 }