/**********************************************************************
* COMCAT_ICatInformation_EnumClassesOfCategories
*/
static HRESULT WINAPI COMCAT_ICatInformation_EnumClassesOfCategories(
LPCATINFORMATION iface,
ULONG cImplemented,
CATID *rgcatidImpl,
ULONG cRequired,
CATID *rgcatidReq,
LPENUMCLSID *ppenumCLSID)
{
struct class_categories *categories;
TRACE("\n");
if (cImplemented == (ULONG)-1)
cImplemented = 0;
if (cRequired == (ULONG)-1)
cRequired = 0;
if (ppenumCLSID == NULL ||
(cImplemented && rgcatidImpl == NULL) ||
(cRequired && rgcatidReq == NULL)) return E_POINTER;
categories = COMCAT_PrepareClassCategories(cImplemented, rgcatidImpl,
cRequired, rgcatidReq);
if (categories == NULL) return E_OUTOFMEMORY;
*ppenumCLSID = COMCAT_CLSID_IEnumGUID_Construct(categories);
if (*ppenumCLSID == NULL) {
HeapFree(GetProcessHeap(), 0, categories);
return E_OUTOFMEMORY;
}
IEnumGUID_AddRef(*ppenumCLSID);
return S_OK;
}
static HRESULT WINAPI CLSIDEnumGUID_QueryInterface(
IEnumGUID *iface,
REFIID riid,
LPVOID *ppvObj)
{
TRACE("%s\n",debugstr_guid(riid));
if (ppvObj == NULL) return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IEnumGUID))
{
*ppvObj = iface;
IEnumGUID_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
