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https://github.com/reactos/wine.git
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155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
/*
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* ClassFactory implementation for DEVENUM.dll
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*
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* Copyright (C) 2002 John K. Hohm
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* Copyright (C) 2002 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "devenum_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(devenum);
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/**********************************************************************
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* DEVENUM_IClassFactory_QueryInterface (also IUnknown)
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_QueryInterface(
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LPCLASSFACTORY iface,
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REFIID riid,
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LPVOID *ppvObj)
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{
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ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
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TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
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if (This == NULL || ppvObj == NULL) return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IClassFactory))
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{
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*ppvObj = (LPVOID)iface;
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IClassFactory_AddRef(iface);
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return S_OK;
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}
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else if (IsEqualGUID(riid, &IID_IParseDisplayName))
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{
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return IClassFactory_CreateInstance(iface, NULL, riid, ppvObj);
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}
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FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_AddRef (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IClassFactory_AddRef(LPCLASSFACTORY iface)
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{
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ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
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TRACE("\n");
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if (This == NULL) return E_POINTER;
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This->ref++;
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if (InterlockedIncrement(&This->ref) == 1) {
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InterlockedIncrement(&dll_ref);
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}
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return This->ref;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_Release (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IClassFactory_Release(LPCLASSFACTORY iface)
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{
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ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
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TRACE("\n");
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if (This == NULL) return E_POINTER;
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if (InterlockedDecrement(&This->ref) == 0) {
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InterlockedDecrement(&dll_ref);
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}
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return This->ref;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_CreateInstance
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_CreateInstance(
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LPCLASSFACTORY iface,
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LPUNKNOWN pUnkOuter,
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REFIID riid,
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LPVOID *ppvObj)
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{
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ClassFactoryImpl *This = (ClassFactoryImpl *)iface;
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TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
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if (This == NULL || ppvObj == NULL) return E_POINTER;
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/* Don't support aggregation (Windows doesn't) */
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if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
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if (IsEqualGUID(&IID_ICreateDevEnum, riid))
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{
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*ppvObj = &DEVENUM_CreateDevEnum;
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return S_OK;
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}
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if (IsEqualGUID(&IID_IParseDisplayName, riid))
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{
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*ppvObj = &DEVENUM_ParseDisplayName;
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return S_OK;
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}
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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/**********************************************************************
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* DEVENUM_IClassFactory_LockServer
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*/
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static HRESULT WINAPI DEVENUM_IClassFactory_LockServer(
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LPCLASSFACTORY iface,
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BOOL fLock)
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{
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TRACE("\n");
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if (fLock != FALSE) {
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IClassFactory_AddRef(iface);
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} else {
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IClassFactory_Release(iface);
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}
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return S_OK;
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}
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/**********************************************************************
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* IClassFactory_Vtbl
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*/
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static IClassFactoryVtbl IClassFactory_Vtbl =
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{
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DEVENUM_IClassFactory_QueryInterface,
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DEVENUM_IClassFactory_AddRef,
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DEVENUM_IClassFactory_Release,
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DEVENUM_IClassFactory_CreateInstance,
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DEVENUM_IClassFactory_LockServer
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};
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/**********************************************************************
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* static ClassFactory instance
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*/
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ClassFactoryImpl DEVENUM_ClassFactory = { &IClassFactory_Vtbl, 0 };
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