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[SHELL32] Handle BYREF variants in CFolderItems::Item.

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Fixes crash in shell32_winetest:shelldispatch.

See also:
6634b31520
This commit is contained in:
Thomas Faber
2019-09-08 11:10:29 +02:00
parent 06e886086c
commit faae7e5790
1 changed files with 10 additions and 3 deletions
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13
dll/win32/shell32/CFolderItems.cpp
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@@ -247,11 +247,18 @@ HRESULT STDMETHODCALLTYPE CFolderItems::get_Parent(IDispatch **ppid)
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CFolderItems::Item(VARIANT index, FolderItem **ppid)
HRESULT STDMETHODCALLTYPE CFolderItems::Item(VARIANT var, FolderItem **ppid)
{
CComVariant index;
HRESULT hr;
if (!m_EnumIDList)
return E_FAIL;
hr = VariantCopyInd(&index, &var);
if (FAILED(hr))
return hr;
if (V_VT(&index) == VT_I2)
VariantChangeType(&index, &index, 0, VT_I4);
@@ -259,7 +266,7 @@ HRESULT STDMETHODCALLTYPE CFolderItems::Item(VARIANT index, FolderItem **ppid)
{
ULONG count = V_UI4(&index);
HRESULT hr = m_EnumIDList->Reset();
hr = m_EnumIDList->Reset();
if (FAILED_UNEXPECTEDLY(hr))
return hr;
@@ -282,7 +289,7 @@ HRESULT STDMETHODCALLTYPE CFolderItems::Item(VARIANT index, FolderItem **ppid)
if (!V_BSTR(&index))
return S_FALSE;
HRESULT hr = m_Folder->ParseName(V_BSTR(&index), ppid);
hr = m_Folder->ParseName(V_BSTR(&index), ppid);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return hr;