PyObject *PyObject_FromSAFEARRAYRecordInfo(SAFEARRAY *psa)
{
PyObject *ret = NULL, *ret_tuple = NULL;
IRecordInfo *info = NULL;
BYTE *source_data = NULL, *this_dest_data = NULL;
long lbound, ubound, nelems, i;
ULONG cb_elem;
PyRecordBuffer *owner = NULL;
HRESULT hr = SafeArrayGetRecordInfo(psa, &info);
if (FAILED(hr)) goto exit;
hr = SafeArrayAccessData(psa, (void **)&source_data);
if (FAILED(hr)) goto exit;
// Allocate a new chunk of memory
hr = SafeArrayGetUBound(psa, 1, &ubound);
if (FAILED(hr)) goto exit;
hr = SafeArrayGetLBound(psa, 1, &lbound);
if (FAILED(hr)) goto exit;
nelems = ubound-lbound;
hr = info->GetSize(&cb_elem);
if (FAILED(hr)) goto exit;
owner = new PyRecordBuffer(nelems * cb_elem);
if (PyErr_Occurred()) goto exit;
owner->AddRef(); // unref'd at end - for successful failure cleanup
ret_tuple = PyTuple_New(nelems);
if (ret_tuple==NULL) goto exit;
this_dest_data = (BYTE *)owner->data;
for (i=0;i<nelems;i++) {
hr = info->RecordInit(this_dest_data);
if (FAILED(hr)) goto exit;
hr = info->RecordCopy(source_data, this_dest_data);
if (FAILED(hr)) goto exit;
PyTuple_SET_ITEM(ret_tuple, i, new PyRecord(info, this_dest_data, owner));
this_dest_data += cb_elem;
source_data += cb_elem;
}
ret = ret_tuple;
Py_INCREF(ret); // for decref on cleanup.
exit:
if (FAILED(hr)) {
if (info)
PyCom_BuildPyException(hr, info, IID_IRecordInfo);
else
PyCom_BuildPyException(hr);
Py_XDECREF(ret);
ret = NULL;
}
if (owner != NULL) owner->Release();
Py_XDECREF(ret_tuple);
if (info) info->Release();
if (source_data!=NULL) SafeArrayUnaccessData(psa);
return ret;
}
unsigned char * WINAPI LPSAFEARRAY_UserMarshal(unsigned long *pFlags, unsigned char *Buffer, LPSAFEARRAY *ppsa)
{
HRESULT hr;
TRACE("("); dump_user_flags(pFlags); TRACE(", %p, &%p\n", Buffer, *ppsa);
ALIGN_POINTER(Buffer, 3);
*(ULONG_PTR *)Buffer = *ppsa ? TRUE : FALSE;
Buffer += sizeof(ULONG_PTR);
if (*ppsa)
{
VARTYPE vt;
SAFEARRAY *psa = *ppsa;
ULONG ulCellCount = SAFEARRAY_GetCellCount(psa);
wireSAFEARRAY wiresa;
SF_TYPE sftype;
GUID guid;
*(ULONG *)Buffer = psa->cDims;
Buffer += sizeof(ULONG);
wiresa = (wireSAFEARRAY)Buffer;
wiresa->cDims = psa->cDims;
wiresa->fFeatures = psa->fFeatures;
wiresa->cbElements = psa->cbElements;
hr = SafeArrayGetVartype(psa, &vt);
if (FAILED(hr))
RpcRaiseException(hr);
wiresa->cLocks = (USHORT)psa->cLocks | (vt << 16);
Buffer += FIELD_OFFSET(struct _wireSAFEARRAY, uArrayStructs);
sftype = SAFEARRAY_GetUnionType(psa);
*(ULONG *)Buffer = sftype;
Buffer += sizeof(ULONG);
*(ULONG *)Buffer = ulCellCount;
Buffer += sizeof(ULONG);
*(ULONG_PTR *)Buffer = (ULONG_PTR)psa->pvData;
Buffer += sizeof(ULONG_PTR);
if (sftype == SF_HAVEIID)
{
SafeArrayGetIID(psa, &guid);
memcpy(Buffer, &guid, sizeof(guid));
Buffer += sizeof(guid);
}
memcpy(Buffer, psa->rgsabound, sizeof(psa->rgsabound[0]) * psa->cDims);
Buffer += sizeof(psa->rgsabound[0]) * psa->cDims;
*(ULONG *)Buffer = ulCellCount;
Buffer += sizeof(ULONG);
if (psa->pvData)
{
switch (sftype)
{
case SF_BSTR:
{
BSTR* lpBstr;
for (lpBstr = (BSTR*)psa->pvData; ulCellCount; ulCellCount--, lpBstr++)
Buffer = BSTR_UserMarshal(pFlags, Buffer, lpBstr);
break;
}
case SF_DISPATCH:
case SF_UNKNOWN:
case SF_HAVEIID:
FIXME("marshal interfaces\n");
break;
case SF_VARIANT:
{
VARIANT* lpVariant;
for (lpVariant = (VARIANT*)psa->pvData; ulCellCount; ulCellCount--, lpVariant++)
Buffer = VARIANT_UserMarshal(pFlags, Buffer, lpVariant);
break;
}
case SF_RECORD:
{
IRecordInfo* pRecInfo = NULL;
hr = SafeArrayGetRecordInfo(psa, &pRecInfo);
if (FAILED(hr))
RpcRaiseException(hr);
if (pRecInfo)
{
FIXME("write record info %p\n", pRecInfo);
IRecordInfo_Release(pRecInfo);
}
break;
}
case SF_I8:
ALIGN_POINTER(Buffer, 7);
/* fallthrough */
case SF_I1:
case SF_I2:
case SF_I4:
/* Just copy the data over */
memcpy(Buffer, psa->pvData, ulCellCount * psa->cbElements);
Buffer += ulCellCount * psa->cbElements;
break;
default:
break;
}
}
}
return Buffer;
}
unsigned long WINAPI LPSAFEARRAY_UserSize(unsigned long *pFlags, unsigned long StartingSize, LPSAFEARRAY *ppsa)
{
unsigned long size = StartingSize;
TRACE("("); dump_user_flags(pFlags); TRACE(", %ld, %p\n", StartingSize, *ppsa);
ALIGN_LENGTH(size, 3);
size += sizeof(ULONG_PTR);
if (*ppsa)
{
SAFEARRAY *psa = *ppsa;
ULONG ulCellCount = SAFEARRAY_GetCellCount(psa);
SF_TYPE sftype;
HRESULT hr;
size += sizeof(ULONG);
size += FIELD_OFFSET(struct _wireSAFEARRAY, uArrayStructs);
sftype = SAFEARRAY_GetUnionType(psa);
size += sizeof(ULONG);
size += sizeof(ULONG);
size += sizeof(ULONG_PTR);
if (sftype == SF_HAVEIID)
size += sizeof(IID);
size += sizeof(psa->rgsabound[0]) * psa->cDims;
size += sizeof(ULONG);
switch (sftype)
{
case SF_BSTR:
{
BSTR* lpBstr;
for (lpBstr = (BSTR*)psa->pvData; ulCellCount; ulCellCount--, lpBstr++)
size = BSTR_UserSize(pFlags, size, lpBstr);
break;
}
case SF_DISPATCH:
case SF_UNKNOWN:
case SF_HAVEIID:
FIXME("size interfaces\n");
break;
case SF_VARIANT:
{
VARIANT* lpVariant;
for (lpVariant = (VARIANT*)psa->pvData; ulCellCount; ulCellCount--, lpVariant++)
size = VARIANT_UserSize(pFlags, size, lpVariant);
break;
}
case SF_RECORD:
{
IRecordInfo* pRecInfo = NULL;
hr = SafeArrayGetRecordInfo(psa, &pRecInfo);
if (FAILED(hr))
RpcRaiseException(hr);
if (pRecInfo)
{
FIXME("size record info %p\n", pRecInfo);
IRecordInfo_Release(pRecInfo);
}
break;
}
case SF_I8:
ALIGN_LENGTH(size, 7);
/* fallthrough */
case SF_I1:
case SF_I2:
case SF_I4:
size += ulCellCount * psa->cbElements;
break;
default:
break;
}
}
return size;
}
int main()
{
CoInitializeEx(0, COINIT_MULTITHREADED);
HRESULT hr = S_OK;
//GUID guid;
//hr = CLSIDFromString(L"MyNamespace.MyClass", &guid);
//hr = CLSIDFromString(L"{7884998B-0504-4CBE-9FF9-6BBAA9776188}", &guid);
//hr = CoCreateInstance(guid, NULL, CLSCTX_ALL, IID_IUnknown, reinterpret_cast<void**>(&p));
NetCom::IMyClassPtr ptr;
hr = ptr.CreateInstance(__uuidof(NetCom::Class1));
long l;
hr = ptr->GetData(&l);
SAFEARRAY *ppData = NULL;
hr = ptr->GetStructs(&ppData);
if (SUCCEEDED(hr) && ppData)
{
#pragma region Validate received datatype
VARTYPE vt;
hr = SafeArrayGetVartype(ppData, &vt);
if (SUCCEEDED(hr) && (vt != VT_RECORD))
{
//Not a sturcture
hr = E_POINTER;
}
if (SUCCEEDED(hr))
{
IRecordInfoPtr spIRecordInfo = NULL;
hr = SafeArrayGetRecordInfo(ppData, &spIRecordInfo);
if (SUCCEEDED(hr) && spIRecordInfo)
{
GUID guid;
hr = spIRecordInfo->GetGuid(&guid);
if (guid != __uuidof(NetCom::TICKSTRUCT))
{
//Invalid record type
hr = E_POINTER;
}
}
}
#pragma endregion
NetCom::TICKSTRUCT *pVals = NULL;
hr = SafeArrayAccessData(ppData, (void**)&pVals);
if (SUCCEEDED(hr))
{
long lowerBound, upperBound; // get array bounds
SafeArrayGetLBound(ppData, 1, &lowerBound);
SafeArrayGetUBound(ppData, 1, &upperBound);
long count = upperBound - lowerBound + 1;
for (int i = 0; i < count; ++i) // iterate through returned values
{
printf("[%d] Date: %f Price: %f Volume: %d\n", i, pVals->Date, pVals->Price, pVals->Volume);
pVals++;
}
hr = SafeArrayUnaccessData(ppData);
}
hr = SafeArrayDestroy(ppData);
}
//Control safearray lifetime by _variant_t wrapper
_variant_t vt;
if (SUCCEEDED(ptr->GetStructs(&vt.parray)))
{
vt.vt = VT_ARRAY | VT_RECORD;
SAFEARRAY* ppData2 = vt.parray;
//ppData2 can be used in same way as ppData above with exception:
//1. Do not call SafeArrayDestroy. array will be destroyed by VariantClear function
//2. Make sure ppData2 is not locked (SafeArrayAccessData) before vt.Clear or ~vt will be called.
// In this case VariantClear will not able to clean locked data
}
return 0;
}
/*************************************************************************
* SafeArrayGetElement (OLEAUT32.25)
*
* Get an item from a SafeArray.
*
* PARAMS
* psa [I] SafeArray to get from
* rgIndices [I] Indices to get from
* pvData [O] Destination for data
*
* RETURNS
* Success: S_OK. The item data is returned in pvData.
* Failure: An HRESULT error code indicating the error.
*
* NOTES
* See SafeArray.
*/
HRESULT WINAPI SafeArrayGetElement(SAFEARRAY *psa, LONG *rgIndices, void *pvData)
{
HRESULT hRet;
TRACE("(%p,%p,%p)\n", psa, rgIndices, pvData);
if (!psa || !rgIndices || !pvData)
return E_INVALIDARG;
hRet = SafeArrayLock(psa);
if (SUCCEEDED(hRet))
{
PVOID lpvSrc;
hRet = SafeArrayPtrOfIndex(psa, rgIndices, &lpvSrc);
if (SUCCEEDED(hRet))
{
if (psa->fFeatures & FADF_VARIANT)
{
VARIANT* lpVariant = lpvSrc;
VARIANT* lpDest = pvData;
/* The original content of pvData is ignored. */
V_VT(lpDest) = VT_EMPTY;
hRet = VariantCopy(lpDest, lpVariant);
if (FAILED(hRet)) FIXME("VariantCopy failed with 0x%x\n", hRet);
}
else if (psa->fFeatures & FADF_BSTR)
{
BSTR* lpBstr = lpvSrc;
BSTR* lpDest = pvData;
if (*lpBstr)
{
*lpDest = SysAllocStringByteLen((char*)*lpBstr, SysStringByteLen(*lpBstr));
if (!*lpBstr)
hRet = E_OUTOFMEMORY;
}
else
*lpDest = NULL;
}
else if (psa->fFeatures & (FADF_UNKNOWN|FADF_DISPATCH))
{
IUnknown **src_unk = lpvSrc;
IUnknown **dest_unk = pvData;
if (*src_unk)
IUnknown_AddRef(*src_unk);
*dest_unk = *src_unk;
}
else if (psa->fFeatures & FADF_RECORD)
{
IRecordInfo *record;
SafeArrayGetRecordInfo(psa, &record);
hRet = IRecordInfo_RecordCopy(record, lpvSrc, pvData);
IRecordInfo_Release(record);
}
else
/* Copy the data over */
memcpy(pvData, lpvSrc, psa->cbElements);
}
SafeArrayUnlock(psa);
}
return hRet;
}
/*************************************************************************
* SafeArrayPutElement (OLEAUT32.26)
*
* Put an item into a SafeArray.
*
* PARAMS
* psa [I] SafeArray to insert into
* rgIndices [I] Indices to insert at
* pvData [I] Data to insert
*
* RETURNS
* Success: S_OK. The item is inserted
* Failure: An HRESULT error code indicating the error.
*
* NOTES
* See SafeArray.
*/
HRESULT WINAPI SafeArrayPutElement(SAFEARRAY *psa, LONG *rgIndices, void *pvData)
{
HRESULT hRet;
TRACE("(%p,%p,%p)\n", psa, rgIndices, pvData);
if (!psa || !rgIndices)
return E_INVALIDARG;
hRet = SafeArrayLock(psa);
if (SUCCEEDED(hRet))
{
PVOID lpvDest;
hRet = SafeArrayPtrOfIndex(psa, rgIndices, &lpvDest);
if (SUCCEEDED(hRet))
{
if (psa->fFeatures & FADF_VARIANT)
{
VARIANT* lpVariant = pvData;
VARIANT* lpDest = lpvDest;
hRet = VariantCopy(lpDest, lpVariant);
if (FAILED(hRet)) FIXME("VariantCopy failed with 0x%x\n", hRet);
}
else if (psa->fFeatures & FADF_BSTR)
{
BSTR lpBstr = (BSTR)pvData;
BSTR* lpDest = lpvDest;
SysFreeString(*lpDest);
*lpDest = SysAllocStringByteLen((char*)lpBstr, SysStringByteLen(lpBstr));
if (!*lpDest)
hRet = E_OUTOFMEMORY;
}
else if (psa->fFeatures & (FADF_UNKNOWN|FADF_DISPATCH))
{
IUnknown *lpUnknown = pvData;
IUnknown **lpDest = lpvDest;
if (lpUnknown)
IUnknown_AddRef(lpUnknown);
if (*lpDest)
IUnknown_Release(*lpDest);
*lpDest = lpUnknown;
}
else if (psa->fFeatures & FADF_RECORD)
{
IRecordInfo *record;
SafeArrayGetRecordInfo(psa, &record);
hRet = IRecordInfo_RecordCopy(record, pvData, lpvDest);
IRecordInfo_Release(record);
} else
/* Copy the data over */
memcpy(lpvDest, pvData, psa->cbElements);
}
SafeArrayUnlock(psa);
}
return hRet;
}
/* Copy data items from one array to another. Destination data is freed before copy. */
static HRESULT SAFEARRAY_CopyData(SAFEARRAY *psa, SAFEARRAY *dest)
{
HRESULT hr = S_OK;
if (!psa->pvData)
return S_OK;
if (!dest->pvData || psa->fFeatures & FADF_DATADELETED)
return E_INVALIDARG;
else
{
ULONG ulCellCount = SAFEARRAY_GetCellCount(psa);
dest->fFeatures = (dest->fFeatures & FADF_CREATEVECTOR) | (psa->fFeatures & ~ignored_copy_features);
if (psa->fFeatures & FADF_VARIANT)
{
VARIANT *src_var = psa->pvData;
VARIANT *dest_var = dest->pvData;
while(ulCellCount--)
{
HRESULT hRet;
/* destination is cleared automatically */
hRet = VariantCopy(dest_var, src_var);
if (FAILED(hRet)) FIXME("VariantCopy failed with 0x%08x, element %u\n", hRet, ulCellCount);
src_var++;
dest_var++;
}
}
else if (psa->fFeatures & FADF_BSTR)
{
BSTR *src_bstr = psa->pvData;
BSTR *dest_bstr = dest->pvData;
while(ulCellCount--)
{
SysFreeString(*dest_bstr);
if (*src_bstr)
{
*dest_bstr = SysAllocStringByteLen((char*)*src_bstr, SysStringByteLen(*src_bstr));
if (!*dest_bstr)
return E_OUTOFMEMORY;
}
else
*dest_bstr = NULL;
src_bstr++;
dest_bstr++;
}
}
else if (psa->fFeatures & FADF_RECORD)
{
BYTE *dest_data = dest->pvData;
BYTE *src_data = psa->pvData;
IRecordInfo *record;
SafeArrayGetRecordInfo(psa, &record);
while (ulCellCount--)
{
/* RecordCopy() clears destination record */
hr = IRecordInfo_RecordCopy(record, src_data, dest_data);
if (FAILED(hr)) break;
src_data += psa->cbElements;
dest_data += psa->cbElements;
}
SafeArraySetRecordInfo(dest, record);
/* This value is set to 32 bytes by default on descriptor creation,
update with actual structure size. */
dest->cbElements = psa->cbElements;
IRecordInfo_Release(record);
}
else if (psa->fFeatures & (FADF_UNKNOWN|FADF_DISPATCH))
{
IUnknown **dest_unk = dest->pvData;
IUnknown **src_unk = psa->pvData;
/* release old iface, addref new one */
while (ulCellCount--)
{
if (*dest_unk)
IUnknown_Release(*dest_unk);
*dest_unk = *src_unk;
if (*dest_unk)
IUnknown_AddRef(*dest_unk);
src_unk++;
dest_unk++;
}
}
else
{
/* Copy the data over */
memcpy(dest->pvData, psa->pvData, ulCellCount * psa->cbElements);
}
if (psa->fFeatures & FADF_HAVEIID)
{
GUID guid;
SafeArrayGetIID(psa, &guid);
SafeArraySetIID(dest, &guid);
}
else if (psa->fFeatures & FADF_HAVEVARTYPE)
{
SAFEARRAY_SetHiddenDWORD(dest, SAFEARRAY_GetHiddenDWORD(psa));
}
}
return hr;
}
/* Free data items in an array */
static HRESULT SAFEARRAY_DestroyData(SAFEARRAY *psa, ULONG ulStartCell)
{
if (psa->pvData && !(psa->fFeatures & FADF_DATADELETED))
{
ULONG ulCellCount = SAFEARRAY_GetCellCount(psa);
if (ulStartCell > ulCellCount) {
FIXME("unexpted ulcellcount %d, start %d\n",ulCellCount,ulStartCell);
return E_UNEXPECTED;
}
ulCellCount -= ulStartCell;
if (psa->fFeatures & (FADF_UNKNOWN|FADF_DISPATCH))
{
LPUNKNOWN *lpUnknown = (LPUNKNOWN *)psa->pvData + ulStartCell;
while(ulCellCount--)
{
if (*lpUnknown)
IUnknown_Release(*lpUnknown);
lpUnknown++;
}
}
else if (psa->fFeatures & FADF_RECORD)
{
IRecordInfo *lpRecInfo;
if (SUCCEEDED(SafeArrayGetRecordInfo(psa, &lpRecInfo)))
{
PBYTE pRecordData = psa->pvData;
while(ulCellCount--)
{
IRecordInfo_RecordClear(lpRecInfo, pRecordData);
pRecordData += psa->cbElements;
}
IRecordInfo_Release(lpRecInfo);
}
}
else if (psa->fFeatures & FADF_BSTR)
{
BSTR* lpBstr = (BSTR*)psa->pvData + ulStartCell;
while(ulCellCount--)
{
SysFreeString(*lpBstr);
lpBstr++;
}
}
else if (psa->fFeatures & FADF_VARIANT)
{
VARIANT* lpVariant = (VARIANT*)psa->pvData + ulStartCell;
while(ulCellCount--)
{
HRESULT hRet = VariantClear(lpVariant);
if (FAILED(hRet)) FIXME("VariantClear of element failed!\n");
lpVariant++;
}
}
}
return S_OK;
}
PyObject *PyRecord::getattro(PyObject *self, PyObject *obname)
{
PyObject *res;
PyRecord *pyrec = (PyRecord *)self;
char *name=PYWIN_ATTR_CONVERT(obname);
if (name==NULL)
return NULL;
if (strcmp(name, "__members__")==0) {
ULONG cnames = 0;
HRESULT hr = pyrec->pri->GetFieldNames(&cnames, NULL);
if (FAILED(hr))
return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
BSTR *strs = (BSTR *)malloc(sizeof(BSTR) * cnames);
if (strs==NULL)
return PyErr_NoMemory();
hr = pyrec->pri->GetFieldNames(&cnames, strs);
if (FAILED(hr)) {
free(strs);
return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
}
res = PyList_New(cnames);
for (ULONG i=0;i<cnames && res != NULL;i++) {
PyObject *item = PyWinCoreString_FromString(strs[i]);
SysFreeString(strs[i]);
if (item==NULL) {
Py_DECREF(res);
res = NULL;
} else
PyList_SET_ITEM(res, i, item); // ref count swallowed.
}
free(strs);
return res;
}
res = PyObject_GenericGetAttr(self, obname);
if (res != NULL)
return res;
PyErr_Clear();
WCHAR *wname;
if (!PyWinObject_AsWCHAR(obname, &wname))
return NULL;
VARIANT vret;
VariantInit(&vret);
void *sub_data = NULL;
PY_INTERFACE_PRECALL;
HRESULT hr = pyrec->pri->GetFieldNoCopy(pyrec->pdata, wname, &vret, &sub_data);
PyWinObject_FreeWCHAR(wname);
PY_INTERFACE_POSTCALL;
if (FAILED(hr)) {
if (hr == TYPE_E_FIELDNOTFOUND){
// This is slightly suspect - throwing a unicode
// object for an AttributeError in py2k - but this
// is the value we asked COM for, so it makes sense...
// (and PyErr_Format doesn't handle unicode in py2x)
PyErr_SetObject(PyExc_AttributeError, obname);
return NULL;
}
return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
}
// Short-circuit sub-structs and arrays here, so we dont allocate a new chunk
// of memory and copy it - we need sub-structs to persist.
if (V_VT(&vret)==(VT_BYREF | VT_RECORD))
return new PyRecord(V_RECORDINFO(&vret), V_RECORD(&vret), pyrec->owner);
else if (V_VT(&vret)==(VT_BYREF | VT_ARRAY | VT_RECORD)) {
SAFEARRAY *psa = *V_ARRAYREF(&vret);
int d = SafeArrayGetDim(psa);
if (sub_data==NULL)
return PyErr_Format(PyExc_RuntimeError, "Did not get a buffer for the array!");
if (SafeArrayGetDim(psa) != 1)
return PyErr_Format(PyExc_TypeError, "Only support single dimensional arrays of records");
IRecordInfo *sub = NULL;
long ubound, lbound, nelems;
int i;
BYTE *this_data;
PyObject *ret_tuple = NULL;
ULONG element_size = 0;
hr = SafeArrayGetUBound(psa, 1, &ubound);
if (FAILED(hr)) goto array_end;
hr = SafeArrayGetLBound(psa, 1, &lbound);
if (FAILED(hr)) goto array_end;
hr = SafeArrayGetRecordInfo(psa, &sub);
if (FAILED(hr)) goto array_end;
hr = sub->GetSize(&element_size);
if (FAILED(hr)) goto array_end;
nelems = ubound-lbound;
ret_tuple = PyTuple_New(nelems);
if (ret_tuple==NULL) goto array_end;
this_data = (BYTE *)sub_data;
for (i=0;i<nelems;i++) {
PyTuple_SET_ITEM(ret_tuple, i, new PyRecord(sub, this_data, pyrec->owner));
this_data += element_size;
}
array_end:
if (sub)
sub->Release();
if (FAILED(hr))
return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
return ret_tuple;
}
// This default conversion we use is a little slow (but it will do!)
// For arrays, the pparray->pvData member is *not* set, since the actual data
// pointer from the record is returned in sub_data, so set it here.
if (V_ISARRAY(&vret) && V_ISBYREF(&vret))
(*V_ARRAYREF(&vret))->pvData = sub_data;
PyObject *ret = PyCom_PyObjectFromVariant(&vret);
// VariantClear(&vret);
return ret;
}
