crypt32: If a decoding function failed, free the memory allocated for it.
[wine] / dlls / dmusic / thru.c
1 /* IDirectMusicThru Implementation
2  *
3  * Copyright (C) 2003-2004 Rok Mandeljc
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (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 GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License 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 /* IDirectMusicThru IUnknown parts follow: */
25 static HRESULT WINAPI IDirectMusicThruImpl_QueryInterface (LPDIRECTMUSICTHRU iface, REFIID riid, LPVOID *ppobj) {
26         IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
27         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
28
29         if (IsEqualIID (riid, &IID_IUnknown) || 
30             IsEqualIID (riid, &IID_IDirectMusicThru)) {
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 IDirectMusicThruImpl_AddRef (LPDIRECTMUSICTHRU iface) {
40         IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)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 IDirectMusicThruImpl_Release (LPDIRECTMUSICTHRU iface) {
51         IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)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 /* IDirectMusicThru Interface follow: */
66 static HRESULT WINAPI IDirectMusicThruImpl_ThruChannel (LPDIRECTMUSICTHRU iface, DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort) {
67         IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
68         FIXME("(%p, %d, %d, %d, %d, %p): stub\n", This, dwSourceChannelGroup, dwSourceChannel, dwDestinationChannelGroup, dwDestinationChannel, pDestinationPort);
69         return S_OK;
70 }
71
72 static const IDirectMusicThruVtbl DirectMusicThru_Vtbl = {
73         IDirectMusicThruImpl_QueryInterface,
74         IDirectMusicThruImpl_AddRef,
75         IDirectMusicThruImpl_Release,
76         IDirectMusicThruImpl_ThruChannel
77 };