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windows-nt/Source/XPSP1/NT/com/ole32/cs/common/dsprop.cxx

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2020-09-26 03:20:57 -05:00
#include "dsbase.hxx"
HRESULT PackGuid2Variant(
GUID guidData,
VARIANT * pvData
)
{
SAFEARRAYBOUND size; // Get rid of 16
SAFEARRAY FAR *psa;
CHAR HUGEP *pArray=NULL;
LONG dwSLBound = 0;
LONG dwSUBound = 0;
HRESULT hr;
size.cElements = sizeof(GUID);
size.lLbound = 0;
if (!pvData) {
return(E_FAIL);
}
psa = SafeArrayCreate(VT_UI1, 1, &size);
if (!psa) {
return(E_OUTOFMEMORY);
}
hr = SafeArrayAccessData( psa, (void HUGEP * FAR *) &pArray );
RETURN_ON_FAILURE(hr);
memcpy( pArray, &guidData, size.cElements );
SafeArrayUnaccessData( psa );
V_VT(pvData) = VT_ARRAY | VT_UI1;
V_ARRAY(pvData) = psa;
return(S_OK);
}
HRESULT PackGuidArray2Variant(
GUID *guidData,
ULONG cguids,
VARIANT * pvData
)
{
SAFEARRAYBOUND size, sizeguid;
SAFEARRAY FAR *psa, *psaOctetString;
CHAR HUGEP *pArray=NULL;
LONG dwSLBound = 0;
LONG dwSUBound = 0;
HRESULT hr;
VARIANT *var;
ULONG i;
if (!pvData) {
return(E_FAIL);
}
var = new VARIANT[cguids];
if (!var)
return E_OUTOFMEMORY;
sizeguid.cElements = cguids;
sizeguid.lLbound = 0;
psa = SafeArrayCreate(VT_VARIANT, 1, &sizeguid);
if (!psa)
return E_OUTOFMEMORY;
size.cElements = sizeof(GUID);
size.lLbound = 0;
for (i = 0; i < cguids; i++) {
psaOctetString = SafeArrayCreate(VT_UI1, 1, &size);
if (!psaOctetString) {
return(E_OUTOFMEMORY);
}
hr = SafeArrayAccessData( psaOctetString, (void HUGEP * FAR *) &pArray );
RETURN_ON_FAILURE(hr);
memcpy( pArray, &(guidData[i]), size.cElements );
SafeArrayUnaccessData( psaOctetString );
V_VT(var+i) = VT_ARRAY | VT_UI1;
V_ARRAY(var+i) = psaOctetString;
SafeArrayPutElement(psa, (LONG *)&i, var+i);
RETURN_ON_FAILURE(hr);
}
V_VT(pvData) = VT_ARRAY | VT_VARIANT;
V_ARRAY(pvData) = psa;
return(S_OK);
}
HRESULT PackDWORDArray2Variant(
DWORD * pdwData,
ULONG cdword,
VARIANT * pvData
)
{
SAFEARRAYBOUND size, sizedword;
SAFEARRAY FAR *psa;
LONG dwSLBound = 0;
LONG dwSUBound = 0;
VARIANT *var = NULL;
ULONG i;
if (!pvData) {
return(E_FAIL);
}
var = new VARIANT[cdword];
if (!var)
return E_OUTOFMEMORY;
sizedword.cElements = cdword;
sizedword.lLbound = 0;
psa = SafeArrayCreate(VT_VARIANT, 1, &sizedword);
if (!psa)
return E_OUTOFMEMORY;
size.cElements = 1;
size.lLbound = 0;
for (i = 0; i < cdword; i++) {
V_VT(var+i) = VT_I4;
var[i].lVal = pdwData[i];
SafeArrayPutElement(psa, (LONG *)&i, var+i);
}
V_VT(pvData) = VT_ARRAY | VT_VARIANT;
V_ARRAY(pvData) = psa;
return(S_OK);
}
HRESULT GetPropertyListAlloc(IADs *pADs,
LPOLESTR pszPropName,
DWORD *pCount,
LPOLESTR **ppList)
{
LONG dwSLBound = 0;
LONG dwSUBound = 0;
VARIANT v;
LONG i;
HRESULT hr = S_OK;
VARIANT var;
*pCount = 0;
*ppList = NULL;
VariantInit(&var);
hr = pADs->Get(pszPropName, &var);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
return S_OK;
}
RETURN_ON_FAILURE(hr);
if(!((V_VT(&var) & VT_VARIANT)))
{
return(E_FAIL);
}
//
// The following is a work around
//
if (!V_ISARRAY(&var))
{
(*ppList) = (LPOLESTR *) CoTaskMemAlloc(sizeof(LPOLESTR));
*pCount = 1;
*(*ppList) = (LPOLESTR) CoTaskMemAlloc (sizeof(WCHAR) * (wcslen(var.bstrVal)+1));
wcscpy (*(*ppList), var.bstrVal);
VariantClear(&var);
return S_OK;
}
//
// Check that there is only one dimension in this array
//
if ((V_ARRAY(&var))->cDims != 1)
{
return E_FAIL;
}
//
// Check that there is atleast one element in this array
//
if ((V_ARRAY(&var))->rgsabound[0].cElements == 0)
{
*ppList = NULL;
return S_OK; // was E_FAIL;
}
//
// We know that this is a valid single dimension array
//
hr = SafeArrayGetLBound(V_ARRAY(&var),
1,
(long FAR *)&dwSLBound
);
RETURN_ON_FAILURE(hr);
hr = SafeArrayGetUBound(V_ARRAY(&var),
1,
(long FAR *)&dwSUBound
);
RETURN_ON_FAILURE(hr);
(*ppList) = (LPOLESTR *) CoTaskMemAlloc(sizeof(LPOLESTR)*(dwSUBound-dwSLBound+1));
for (i = dwSLBound; i <= dwSUBound; i++)
{
VariantInit(&v);
hr = SafeArrayGetElement(V_ARRAY(&var),
(long FAR *)&i,
&v
);
if (FAILED(hr))
{
continue;
}
if (i <= dwSUBound)
{
(*ppList)[*pCount] = (LPOLESTR) CoTaskMemAlloc
(sizeof (WCHAR) * (wcslen(v.bstrVal) + 1));
wcscpy ((*ppList)[*pCount], v.bstrVal);
VariantClear(&v);
(*pCount)++;
}
}
VariantClear(&var);
return(S_OK);
}
HRESULT SetPropertyGuid (IADs *pADs, LPOLESTR pszPropName, GUID guidPropVal)
{
VARIANT var;
HRESULT hr;
VariantInit(&var);
hr = PackGuid2Variant(guidPropVal, &var);
hr = pADs->Put(pszPropName, var);
VariantClear(&var);
return hr;
}
// replacing ADsBuildVarArrStr b'cos of mem leaks.
HRESULT
BuildVarArrayStr(
LPWSTR *lppPathNames,
DWORD dwPathNames,
VARIANT * pVar
)
{
VARIANT v;
SAFEARRAYBOUND sabNewArray;
DWORD i;
SAFEARRAY *psa = NULL;
HRESULT hr = E_FAIL;
if (!pVar) {
hr = E_ADS_BAD_PARAMETER;
goto Fail;
}
VariantInit(pVar);
sabNewArray.cElements = dwPathNames;
sabNewArray.lLbound = 0;
psa = SafeArrayCreate(VT_VARIANT, 1, &sabNewArray);
if (!psa) {
goto Fail;
}
for (i = 0; i < dwPathNames; i++) {
VariantInit(&v);
V_VT(&v) = VT_BSTR;
V_BSTR(&v) = SysAllocString(*(lppPathNames + i));
hr = SafeArrayPutElement(psa,
(long FAR *)&i,
&v
);
SysFreeString(v.bstrVal);
VariantClear(&v);
if (FAILED(hr)) {
goto Fail;
}
}
V_VT(pVar) = VT_ARRAY | VT_VARIANT;
V_ARRAY(pVar) = psa;
return(ResultFromScode(S_OK));
Fail:
if (psa) {
SafeArrayDestroy(psa);
}
return(E_FAIL);
}
HRESULT SetPropertyList(IADs *pADs, LPWSTR pszPropName, DWORD Count,
LPWSTR *pList)
{
VARIANT Var;
HRESULT hr;
VariantInit(&Var);
hr = BuildVarArrayStr(pList, Count, &Var);
hr = pADs->Put(pszPropName, Var);
VariantClear(&Var);
return hr;
}
HRESULT SetPropertyListMerge(IADs *pADs, LPWSTR pszPropName, DWORD Count,
LPWSTR *pList)
{
HRESULT hr = S_OK;
LPOLESTR *pszProps = NULL, *pszMergedProps = NULL;
DWORD cProps = 0, cMergedProps = 0;
DWORD i, j;
hr = GetPropertyListAlloc(pADs, pszPropName, &cProps, &pszProps);
RETURN_ON_FAILURE(hr);
// get the property already stored.
pszMergedProps = (LPOLESTR *)CoTaskMemAlloc(sizeof(LPOLESTR)*(cProps+Count));
for (i = 0; i < cProps; i++)
pszMergedProps[i] = pszProps[i];
// copy all the prop got.
cMergedProps = cProps;
for (j = 0; j < Count; j++) {
for (i = 0; i < cProps; i++) {
if (wcscmp(pList[j], pszMergedProps[i]) == 0) {
break;
}
}
// if this element was not found already add it.
if (i == cProps)
pszMergedProps[cMergedProps++] = pList[j];
}
hr = SetPropertyList(pADs, pszPropName, cMergedProps, pszMergedProps);
for (i = 0; i < cProps; i++)
CoTaskMemFree(pszProps[i]);
CoTaskMemFree(pszProps);
CoTaskMemFree(pszMergedProps);
return hr;
}
HRESULT GetPropertyGuid(IADs *pADs, LPOLESTR pszPropName, GUID *pguidPropVal)
{
VARIANT varGet;
HRESULT hr;
VariantInit(&varGet);
hr = pADs->Get(pszPropName, &varGet);
RETURN_ON_FAILURE(hr);
hr = UnpackGuidFromVariant(varGet, pguidPropVal);
VariantClear(&varGet);
return hr;
}
HRESULT UnpackGuidFromVariant(VARIANT varGet, GUID *pguidPropVal)
{
HRESULT hr=S_OK;
SAFEARRAY FAR *psa;
CHAR HUGEP *pArray=NULL;
if (V_VT(&varGet) != (VT_ARRAY | VT_UI1))
return E_FAIL;
if ((V_ARRAY(&varGet))->rgsabound[0].cElements != sizeof(GUID))
return E_FAIL;
psa = V_ARRAY(&varGet);
hr = SafeArrayAccessData( psa, (void HUGEP * FAR *) &pArray );
RETURN_ON_FAILURE(hr);
memcpy( pguidPropVal, pArray, sizeof(GUID)); // check for size
SafeArrayUnaccessData( psa );
// BUGBUG:: any more freeing to do ??
return hr;
}
// assumption that this is going to be a variant structure with
HRESULT GetPropertyListAllocGuid(IADs *pADs,
LPOLESTR pszPropName,
DWORD *pCount,
GUID **ppList)
{
LONG dwSLBound = 0;
LONG dwSUBound = 0;
VARIANT v;
LONG i;
HRESULT hr = S_OK;
VARIANT var;
*pCount = 0;
VariantInit(&var);
hr = pADs->Get(pszPropName, &var);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
return S_OK;
}
RETURN_ON_FAILURE(hr);
//
// The following is a work around
//
if (V_VT(&var) == (VT_ARRAY | VT_UI1))
{
(*ppList) = (GUID *) CoTaskMemAlloc(sizeof(GUID));
*pCount = 1;
UnpackGuidFromVariant(var, *ppList);
VariantClear(&var);
return S_OK;
}
//
// Check that there is only one dimension in this array
//
if ((V_ARRAY(&var))->cDims != 1)
{
return E_FAIL;
}
//
// Check that there is atleast one element in this array
//
if ((V_ARRAY(&var))->rgsabound[0].cElements == 0)
{
*ppList = NULL;
return S_OK; // was E_FAIL;
}
//
// We know that this is a valid single dimension array
//
hr = SafeArrayGetLBound(V_ARRAY(&var),
1,
(long FAR *)&dwSLBound
);
RETURN_ON_FAILURE(hr);
hr = SafeArrayGetUBound(V_ARRAY(&var),
1,
(long FAR *)&dwSUBound
);
RETURN_ON_FAILURE(hr);
(*ppList) = (GUID *) CoTaskMemAlloc(sizeof(GUID)*(dwSUBound-dwSLBound+1));
for (i = dwSLBound; i <= dwSUBound; i++)
{
VariantInit(&v);
hr = SafeArrayGetElement(V_ARRAY(&var),
(long FAR *)&i,
&v
);
if (FAILED(hr))
{
continue;
}
if (i <= dwSUBound)
{
UnpackGuidFromVariant(v, (*ppList)+(*pCount));
VariantClear(&v);
(*pCount)++;
}
}
VariantClear(&var);
return(S_OK);
}
HRESULT SetPropertyListGuid(IADs *pADs, LPOLESTR pszPropName,
DWORD cCount, GUID *ppList)
{
VARIANT Var;
HRESULT hr=S_OK;
VariantInit(&Var);
hr = PackGuidArray2Variant(ppList, cCount, &Var);
RETURN_ON_FAILURE(hr);
hr = pADs->Put(pszPropName, Var);
RETURN_ON_FAILURE(hr);
VariantClear(&Var);
return hr;
}
HRESULT
PackString2Variant(
LPWSTR lpszData,
VARIANT * pvData
)
{
BSTR bstrData = NULL;
if (!lpszData || !*lpszData) {
return(E_FAIL);
}
if (!pvData) {
return(E_FAIL);
}
bstrData = SysAllocString(lpszData);
if (!bstrData) {
return(E_FAIL);
}
pvData->vt = VT_BSTR;
pvData->bstrVal = bstrData;
return(S_OK);
}
HRESULT
PackDWORD2Variant(
DWORD dwData,
VARIANT * pvData
)
{
if (!pvData) {
return(E_FAIL);
}
pvData->vt = VT_I4;
pvData->lVal = dwData;
return(S_OK);
}
HRESULT
PackBOOL2Variant(
BOOL fData,
VARIANT * pvData
)
{
pvData->vt = VT_BOOL;
pvData->boolVal = fData;
return(S_OK);
}
HRESULT GetPropertyList(IADs *pADs,
LPOLESTR pszPropName,
DWORD *pCount,
LPOLESTR *pList)
{
LONG dwSLBound = 0;
LONG dwSUBound = 0;
VARIANT v;
LONG i;
HRESULT hr = S_OK;
VARIANT var;
*pCount = 0;
VariantInit(&var);
hr = pADs->Get(pszPropName, &var);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
return S_OK;
}
RETURN_ON_FAILURE(hr);
if(!((V_VT(&var) & VT_VARIANT)))
{
return(E_FAIL);
}
//
// The following is a work around for the package detail field
//
if (!V_ISARRAY(&var))
{
*pCount = 1;
*pList = (LPOLESTR) CoTaskMemAlloc (sizeof(WCHAR) * (wcslen(var.bstrVal)+1));
wcscpy (*pList, var.bstrVal);
VariantClear(&var);
return S_OK;
}
//
// Check that there is only one dimension in this array
//
if ((V_ARRAY(&var))->cDims != 1)
{
return E_FAIL;
}
//
// Check that there is atleast one element in this array
//
if ((V_ARRAY(&var))->rgsabound[0].cElements == 0)
{
return E_FAIL;
}
//
// We know that this is a valid single dimension array
//
hr = SafeArrayGetLBound(V_ARRAY(&var),
1,
(long FAR *)&dwSLBound
);
RETURN_ON_FAILURE(hr);
hr = SafeArrayGetUBound(V_ARRAY(&var),
1,
(long FAR *)&dwSUBound
);
RETURN_ON_FAILURE(hr);
for (i = dwSLBound; i <= dwSUBound; i++) {
VariantInit(&v);
hr = SafeArrayGetElement(V_ARRAY(&var),
(long FAR *)&i,
&v
);
if (FAILED(hr)) {
continue;
}
if (i <= dwSUBound)
{
*pList = (LPOLESTR) CoTaskMemAlloc
(sizeof (WCHAR) * (wcslen(v.bstrVal) + 1));
wcscpy (*pList, v.bstrVal);
VariantClear(&v);
(*pCount)++;
++pList;
}
}
VariantClear(&var);
return(S_OK);
}
HRESULT GetPropertyAlloc (IADs *pADs, LPOLESTR pszPropName, LPOLESTR *ppszPropVal)
{
VARIANT varGet;
HRESULT hr;
if (!ppszPropVal)
return S_OK;
VariantInit(&varGet);
hr = pADs->Get(pszPropName, &varGet);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
*ppszPropVal = NULL;
return S_OK;
}
RETURN_ON_FAILURE(hr);
*ppszPropVal = (LPOLESTR) CoTaskMemAlloc (sizeof(WCHAR) * (wcslen(varGet.bstrVal)+1));
wcscpy (*ppszPropVal, varGet.bstrVal);
VariantClear(&varGet);
return hr;
}
HRESULT GetProperty (IADs *pADs, LPOLESTR pszPropName, LPOLESTR pszPropVal)
{
VARIANT varGet;
HRESULT hr;
VariantInit(&varGet);
hr = pADs->Get(pszPropName, &varGet);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
pszPropVal[0] = NULL;
return S_OK;
}
RETURN_ON_FAILURE(hr);
wcscpy (pszPropVal, varGet.bstrVal);
VariantClear(&varGet);
return hr;
}
HRESULT GetPropertyDW (IADs *pADs, LPOLESTR pszPropName, DWORD *pdwPropVal)
{
VARIANT varGet;
HRESULT hr;
VariantInit(&varGet);
hr = pADs->Get(pszPropName, &varGet);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
*pdwPropVal = 0;
return S_OK;
}
RETURN_ON_FAILURE(hr);
*pdwPropVal = varGet.lVal;
VariantClear(&varGet);
return hr;
}
HRESULT GetPropertyListAllocDW (IADs *pADs, LPOLESTR pszPropName, DWORD *pCount, DWORD **pdwPropVal)
{
LONG dwSLBound = 0;
LONG dwSUBound = 0;
VARIANT v;
LONG i;
HRESULT hr = S_OK;
VARIANT var;
*pCount = 0;
*pdwPropVal = NULL;
VariantInit(&var);
hr = pADs->Get(pszPropName, &var);
if (hr == E_ADS_PROPERTY_NOT_FOUND)
{
return S_OK;
}
RETURN_ON_FAILURE(hr);
if (!V_ISARRAY(&var))
{
*pCount = 1;
*pdwPropVal = (DWORD *) CoTaskMemAlloc (sizeof(DWORD));
(*pdwPropVal)[0] = var.lVal;
VariantClear(&var);
return S_OK;
}
//
// Check that there is only one dimension in this array
//
if ((V_ARRAY(&var))->cDims != 1)
{
return E_FAIL;
}
//
// Check that there is atleast one element in this array
//
if ((V_ARRAY(&var))->rgsabound[0].cElements == 0)
{
return E_FAIL;
}
//
// We know that this is a valid single dimension array
//
hr = SafeArrayGetLBound(V_ARRAY(&var),
1,
(long FAR *)&dwSLBound
);
RETURN_ON_FAILURE(hr);
hr = SafeArrayGetUBound(V_ARRAY(&var),
1,
(long FAR *)&dwSUBound
);
RETURN_ON_FAILURE(hr);
*pdwPropVal = (DWORD *)CoTaskMemAlloc(sizeof(DWORD)*
(dwSUBound - dwSLBound + 1));
if (!(*pdwPropVal))
return E_OUTOFMEMORY;
for (i = dwSLBound; i <= dwSUBound; i++) {
VariantInit(&v);
hr = SafeArrayGetElement(V_ARRAY(&var),
(long FAR *)&i,
&v
);
if (FAILED(hr)) {
continue;
}
(*pdwPropVal)[*pCount] = v.lVal;
VariantClear(&v);
(*pCount)++;
}
VariantClear(&var);
return(S_OK);
}
HRESULT SetPropertyListDW (IADs *pADs, LPOLESTR pszPropName, DWORD dwCount, DWORD *pdwPropVal)
{
VARIANT Var;
HRESULT hr = S_OK;
VariantInit(&Var);
// BUGBUG:: THis doesn't seem to work.
// hr = ADsBuildVarArrayInt(pdwPropVal, dwCount, &Var);
hr = PackDWORDArray2Variant(pdwPropVal, dwCount, &Var);
if (SUCCEEDED(hr))
hr = pADs->Put(pszPropName, Var);
VariantClear(&Var);
return hr;
}
HRESULT SetProperty (IADs *pADs, LPOLESTR pszPropName, LPOLESTR pszPropVal)
{
VARIANT var;
HRESULT hr;
if ((pszPropVal == NULL) || (*pszPropVal == NULL))
return S_OK;
VariantInit(&var);
PackString2Variant(pszPropVal, &var);
hr = pADs->Put(pszPropName, var);
SysFreeString(var.bstrVal);
VariantClear(&var);
return hr;
}
HRESULT SetPropertyDW (IADs *pADs, LPOLESTR pszPropName, DWORD dwPropVal)
{
VARIANT var;
HRESULT hr;
VariantInit(&var);
PackDWORD2Variant(dwPropVal, &var);
hr = pADs->Put(pszPropName, var);
VariantClear(&var);
return hr;
}
HRESULT StoreIt (IADs *pADs)
{
HRESULT hr;
hr = pADs->SetInfo();
if (hr == HRESULT_FROM_WIN32(ERROR_EXTENDED_ERROR))
{
DWORD proverr;
hr = ADsGetLastError (&proverr, NULL, 0, NULL, 0);
if (SUCCEEDED(hr)
// && (proverr == LDAP_NO_SUCH_ATTRIBUTE)
)
{
printf ("Ldap Error = %d.\n", proverr);
return E_FAIL;
}
else
return hr; //E_INVALIDARG;
}
return hr;
}
HRESULT GetFromVariant(VARIANT *pVar,
DWORD *pCount, // In, Out
LPOLESTR *rpgList)
{
LONG dwSLBound = 0;
LONG dwSUBound = 0;
LONG j;
HRESULT hr = S_OK;
ULONG cFetch = *pCount;
void HUGEP *pArray;
pArray = NULL;
if( !(pVar->vt & VT_ARRAY))
return E_FAIL;
hr = SafeArrayGetLBound(V_ARRAY(pVar),
1,
(long FAR *) &dwSLBound );
hr = SafeArrayGetUBound(V_ARRAY(pVar),
1,
(long FAR *) &dwSUBound );
hr = SafeArrayAccessData( V_ARRAY(pVar), &pArray );
*pCount = 0;
for (j=dwSLBound; (j<=dwSUBound) && (*pCount < cFetch); j++)
{
switch(pVar->vt & ~VT_ARRAY)
{
case VT_BSTR:
*rpgList = (LPOLESTR) CoTaskMemAlloc
(sizeof (WCHAR) * (wcslen(((BSTR *)pArray)[j]) + 1));
wcscpy (*rpgList, ((BSTR *)pArray)[j]);
(*pCount)++;
++rpgList;
break;
case VT_I4:
*rpgList = (LPOLESTR)(((DWORD *) pArray)[j]);
(*pCount)++;
++rpgList;
break;
case VT_VARIANT:
VARIANT *pV;
pV = (VARIANT *)pArray + j;
if (pV->vt == (VT_ARRAY | VT_UI1))
{ /* binary data, only GUID */
UnpackGuidFromVariant(*pV, (GUID *)rpgList);
}
else if (pV->vt == VT_I4)
{
*rpgList = (LPOLESTR) pV->lVal;
(*pCount)++;
++rpgList;
}
else
{
*rpgList = (LPOLESTR) CoTaskMemAlloc
(sizeof (WCHAR) * (wcslen(pV->bstrVal)+1));
wcscpy (*rpgList, pV->bstrVal);
(*pCount)++;
++rpgList;
}
break;
/*
case VT_I8:
wprintf(L"%I64d # ",((__int64 *) pArray)[j]);
break;
*/
default:
return E_FAIL;
}
}
SafeArrayUnaccessData( V_ARRAY(pVar) );
return S_OK;
}
HRESULT GetCategoryLocaleDesc(LPOLESTR *pdesc, ULONG cdesc, LCID *plcid,
LPOLESTR szDescription)
{
LCID plgid;
LPOLESTR ptr;
if (!cdesc)
return E_FAIL; // CAT_E_NODESCRIPTION;
// Try locale passed in
if (FindDescription(pdesc, cdesc, plcid, szDescription, 0))
return S_OK;
// Get default sublang local
plgid = PRIMARYLANGID((WORD)*plcid);
*plcid = MAKELCID(MAKELANGID(plgid, SUBLANG_DEFAULT), SORT_DEFAULT);
if (FindDescription(pdesc, cdesc, plcid, szDescription, 0))
return S_OK;
// Get matching lang id
if (FindDescription(pdesc, cdesc, plcid, szDescription, 1))
return S_OK;
// Get User Default
*plcid = GetUserDefaultLCID();
if (FindDescription(pdesc, cdesc, plcid, szDescription, 0))
return S_OK;
// Get System Default
*plcid = GetUserDefaultLCID();
if (FindDescription(pdesc, cdesc, plcid, szDescription, 0))
return S_OK;
// Get the first one
*plcid = wcstoul(pdesc[0], &ptr, 16);
if (szDescription)
wcscpy(szDescription, (ptr+wcslen(CATSEPERATOR)+2));
return S_OK;
}
//-------------------------------------------
// Returns the description corresp. to a LCID
// desc: list of descs+lcid
// cdesc: number of elements.
// plcid: the lcid in/out
// szDescription:description returned.
// GetPrimary: Match only the primary.
//---------------------------------------
ULONG FindDescription(LPOLESTR *desc, ULONG cdesc, LCID *plcid, LPOLESTR szDescription, BOOL GetPrimary)
{
ULONG i;
LCID newlcid;
LPOLESTR ptr;
for (i = 0; i < cdesc; i++)
{
newlcid = wcstoul(desc[i], &ptr, 16); // to be changed
// error to be checked.
if ((newlcid == *plcid) || ((GetPrimary) &&
(PRIMARYLANGID((WORD)*plcid) == PRIMARYLANGID(LANGIDFROMLCID(newlcid)))))
{
if (szDescription)
wcscpy(szDescription, (ptr+wcslen(CATSEPERATOR)+2));
if (GetPrimary)
*plcid = newlcid;
return i+1;
}
}
return 0;
}

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