mirror of
https://github.com/reactos/reactos.git
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293 lines
8.9 KiB
C
293 lines
8.9 KiB
C
/*
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* IDxDiagContainer Implementation
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*
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* Copyright 2004 Raphael Junqueira
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "config.h"
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#define COBJMACROS
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#include "dxdiag_private.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
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static inline IDxDiagContainerImpl *impl_from_IDxDiagContainer(IDxDiagContainer *iface)
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{
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return CONTAINING_RECORD(iface, IDxDiagContainerImpl, IDxDiagContainer_iface);
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}
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/* IDxDiagContainer IUnknown parts follow: */
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static HRESULT WINAPI IDxDiagContainerImpl_QueryInterface(IDxDiagContainer *iface, REFIID riid,
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void **ppobj)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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if (!ppobj) return E_INVALIDARG;
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if (IsEqualGUID(riid, &IID_IUnknown)
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|| IsEqualGUID(riid, &IID_IDxDiagContainer)) {
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IUnknown_AddRef(iface);
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*ppobj = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
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*ppobj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IDxDiagContainerImpl_AddRef(IDxDiagContainer *iface)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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ULONG refCount = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
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DXDIAGN_LockModule();
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return refCount;
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}
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static ULONG WINAPI IDxDiagContainerImpl_Release(IDxDiagContainer *iface)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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ULONG refCount = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
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if (!refCount) {
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IDxDiagProvider_Release(This->pProv);
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HeapFree(GetProcessHeap(), 0, This);
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}
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DXDIAGN_UnlockModule();
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return refCount;
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}
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/* IDxDiagContainer Interface follow: */
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static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfChildContainers(IDxDiagContainer *iface,
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DWORD *pdwCount)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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TRACE("(%p)\n", iface);
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if (NULL == pdwCount) {
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return E_INVALIDARG;
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}
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*pdwCount = This->cont->nSubContainers;
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return S_OK;
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}
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static HRESULT WINAPI IDxDiagContainerImpl_EnumChildContainerNames(IDxDiagContainer *iface,
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DWORD dwIndex, LPWSTR pwszContainer, DWORD cchContainer)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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IDxDiagContainerImpl_Container *p;
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DWORD i = 0;
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TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszContainer, cchContainer);
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if (NULL == pwszContainer || 0 == cchContainer) {
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return E_INVALIDARG;
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}
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LIST_FOR_EACH_ENTRY(p, &This->cont->subContainers, IDxDiagContainerImpl_Container, entry)
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{
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if (dwIndex == i) {
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TRACE("Found container name %s, copying string\n", debugstr_w(p->contName));
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lstrcpynW(pwszContainer, p->contName, cchContainer);
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return (cchContainer <= strlenW(p->contName)) ?
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DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
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}
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++i;
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}
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TRACE("Failed to find container name at specified index\n");
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*pwszContainer = '\0';
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return E_INVALIDARG;
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}
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static HRESULT IDxDiagContainerImpl_GetChildContainerInternal(IDxDiagContainerImpl_Container *cont, LPCWSTR pwszContainer, IDxDiagContainerImpl_Container **subcont) {
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IDxDiagContainerImpl_Container *p;
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LIST_FOR_EACH_ENTRY(p, &cont->subContainers, IDxDiagContainerImpl_Container, entry)
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{
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if (0 == lstrcmpW(p->contName, pwszContainer)) {
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*subcont = p;
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return S_OK;
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}
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}
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return E_INVALIDARG;
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}
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static HRESULT WINAPI IDxDiagContainerImpl_GetChildContainer(IDxDiagContainer *iface,
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LPCWSTR pwszContainer, IDxDiagContainer **ppInstance)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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IDxDiagContainerImpl_Container *pContainer = This->cont;
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LPWSTR tmp, orig_tmp;
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INT tmp_len;
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WCHAR* cur;
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HRESULT hr = E_INVALIDARG;
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TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszContainer), ppInstance);
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if (NULL == ppInstance || NULL == pwszContainer) {
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return E_INVALIDARG;
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}
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*ppInstance = NULL;
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tmp_len = strlenW(pwszContainer) + 1;
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orig_tmp = tmp = HeapAlloc(GetProcessHeap(), 0, tmp_len * sizeof(WCHAR));
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if (NULL == tmp) return E_FAIL;
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lstrcpynW(tmp, pwszContainer, tmp_len);
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/* special handling for an empty string and leaf container */
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if (!tmp[0] && list_empty(&pContainer->subContainers)) {
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hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, pContainer, This->pProv, (void **)ppInstance);
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if (SUCCEEDED(hr))
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TRACE("Succeeded in getting the container instance\n");
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goto out;
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}
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cur = strchrW(tmp, '.');
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while (NULL != cur) {
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*cur = '\0'; /* cut tmp string to '.' */
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if (!*(cur + 1)) break; /* Account for a lone terminating period, as in "cont1.cont2.". */
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TRACE("Trying to get parent container %s\n", debugstr_w(tmp));
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hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
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if (FAILED(hr))
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goto out;
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cur++; /* go after '.' (just replaced by \0) */
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tmp = cur;
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cur = strchrW(tmp, '.');
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}
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TRACE("Trying to get container %s\n", debugstr_w(tmp));
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hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
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if (SUCCEEDED(hr)) {
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hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, pContainer, This->pProv, (void **)ppInstance);
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if (SUCCEEDED(hr))
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TRACE("Succeeded in getting the container instance\n");
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}
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out:
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HeapFree(GetProcessHeap(), 0, orig_tmp);
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return hr;
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}
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static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfProps(IDxDiagContainer *iface,
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DWORD *pdwCount)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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TRACE("(%p)\n", iface);
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if (NULL == pdwCount) {
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return E_INVALIDARG;
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}
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*pdwCount = This->cont->nProperties;
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return S_OK;
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}
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static HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(IDxDiagContainer *iface, DWORD dwIndex,
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LPWSTR pwszPropName, DWORD cchPropName)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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IDxDiagContainerImpl_Property *p;
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DWORD i = 0;
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TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszPropName, cchPropName);
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if (NULL == pwszPropName || 0 == cchPropName) {
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return E_INVALIDARG;
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}
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LIST_FOR_EACH_ENTRY(p, &This->cont->properties, IDxDiagContainerImpl_Property, entry)
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{
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if (dwIndex == i) {
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TRACE("Found property name %s, copying string\n", debugstr_w(p->propName));
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lstrcpynW(pwszPropName, p->propName, cchPropName);
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return (cchPropName <= strlenW(p->propName)) ?
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DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
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}
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++i;
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}
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TRACE("Failed to find property name at specified index\n");
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return E_INVALIDARG;
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}
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static HRESULT WINAPI IDxDiagContainerImpl_GetProp(IDxDiagContainer *iface, LPCWSTR pwszPropName,
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VARIANT *pvarProp)
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{
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IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
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IDxDiagContainerImpl_Property *p;
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TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pvarProp);
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if (NULL == pvarProp || NULL == pwszPropName) {
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return E_INVALIDARG;
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}
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LIST_FOR_EACH_ENTRY(p, &This->cont->properties, IDxDiagContainerImpl_Property, entry)
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{
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if (0 == lstrcmpW(p->propName, pwszPropName)) {
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VariantInit(pvarProp);
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return VariantCopy(pvarProp, &p->vProp);
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}
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}
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return E_INVALIDARG;
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}
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static const IDxDiagContainerVtbl DxDiagContainer_Vtbl =
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{
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IDxDiagContainerImpl_QueryInterface,
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IDxDiagContainerImpl_AddRef,
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IDxDiagContainerImpl_Release,
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IDxDiagContainerImpl_GetNumberOfChildContainers,
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IDxDiagContainerImpl_EnumChildContainerNames,
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IDxDiagContainerImpl_GetChildContainer,
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IDxDiagContainerImpl_GetNumberOfProps,
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IDxDiagContainerImpl_EnumPropNames,
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IDxDiagContainerImpl_GetProp
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};
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HRESULT DXDiag_CreateDXDiagContainer(REFIID riid, IDxDiagContainerImpl_Container *cont, IDxDiagProvider *pProv, LPVOID *ppobj) {
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IDxDiagContainerImpl* container;
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TRACE("(%s, %p)\n", debugstr_guid(riid), ppobj);
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container = HeapAlloc(GetProcessHeap(), 0, sizeof(IDxDiagContainerImpl));
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if (NULL == container) {
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*ppobj = NULL;
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return E_OUTOFMEMORY;
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}
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container->IDxDiagContainer_iface.lpVtbl = &DxDiagContainer_Vtbl;
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container->ref = 0; /* will be inited with QueryInterface */
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container->cont = cont;
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container->pProv = pProv;
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IDxDiagProvider_AddRef(pProv);
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return IDxDiagContainerImpl_QueryInterface(&container->IDxDiagContainer_iface, riid, ppobj);
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}
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