ole32: Contrary to MSDN, IROTData doesn't need to be implemented for a moniker to be usable with the running object table.
If IROTData isn't available, fall back to a path that uses the display name and the clsid of the moniker to generate the comparison data.
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@ -40,6 +40,7 @@
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#include "wine/list.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "compobj_private.h"
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@ -143,22 +144,56 @@ static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MInterfacePointer
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{
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HRESULT hr;
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IROTData *pROTData = NULL;
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ULONG size = MAX_COMPARISON_DATA;
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hr = IMoniker_QueryInterface(pMoniker, &IID_IROTData, (void *)&pROTData);
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if (hr != S_OK)
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if (SUCCEEDED(hr))
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{
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ERR("Failed to query moniker for IROTData interface, hr = 0x%08x\n", hr);
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return hr;
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ULONG size = MAX_COMPARISON_DATA;
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*moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
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hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
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if (hr != S_OK)
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{
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ERR("Failed to copy comparison data into buffer, hr = 0x%08x\n", hr);
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HeapFree(GetProcessHeap(), 0, *moniker_data);
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return hr;
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}
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(*moniker_data)->ulCntData = size;
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}
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*moniker_data = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(MInterfacePointer, abData[size]));
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hr = IROTData_GetComparisonData(pROTData, (*moniker_data)->abData, size, &size);
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if (hr != S_OK)
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else
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{
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ERR("Failed to copy comparison data into buffer, hr = 0x%08x\n", hr);
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HeapFree(GetProcessHeap(), 0, *moniker_data);
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return hr;
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IBindCtx *pbc;
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LPOLESTR pszDisplayName;
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CLSID clsid;
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int len;
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TRACE("generating comparison data from display name\n");
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hr = CreateBindCtx(0, &pbc);
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if (FAILED(hr))
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return hr;
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hr = IMoniker_GetDisplayName(pMoniker, pbc, NULL, &pszDisplayName);
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IBindCtx_Release(pbc);
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if (FAILED(hr))
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return hr;
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hr = IMoniker_GetClassID(pMoniker, &clsid);
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if (FAILED(hr))
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{
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CoTaskMemFree(pszDisplayName);
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return hr;
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}
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len = strlenW(pszDisplayName);
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*moniker_data = HeapAlloc(GetProcessHeap(), 0,
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FIELD_OFFSET(MInterfacePointer, abData[sizeof(CLSID) + (len+1)*sizeof(WCHAR)]));
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if (!*moniker_data)
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{
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CoTaskMemFree(pszDisplayName);
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return E_OUTOFMEMORY;
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}
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(*moniker_data)->ulCntData = sizeof(CLSID) + (len+1)*sizeof(WCHAR);
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memcpy(&(*moniker_data)->abData[0], &clsid, sizeof(clsid));
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memcpy(&(*moniker_data)->abData[sizeof(clsid)], pszDisplayName, (len+1)*sizeof(WCHAR));
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}
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(*moniker_data)->ulCntData = size;
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return S_OK;
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}
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