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wine-wine/dlls/propsys/propvar.c

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/*
* PropVariant implementation
*
* Copyright 2008 James Hawkins for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "winuser.h"
#include "shlobj.h"
#include "propvarutil.h"
#include "strsafe.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(propsys);
static HRESULT PROPVAR_ConvertFILETIME(const FILETIME *ft, PROPVARIANT *ppropvarDest, VARTYPE vt)
{
SYSTEMTIME time;
FileTimeToSystemTime(ft, &time);
switch (vt)
{
case VT_LPSTR:
ppropvarDest->u.pszVal = HeapAlloc(GetProcessHeap(), 0, 64);
if (!ppropvarDest->u.pszVal)
return E_OUTOFMEMORY;
sprintf( ppropvarDest->u.pszVal, "%04d/%02d/%02d:%02d:%02d:%02d.%03d",
time.wYear, time.wMonth, time.wDay,
time.wHour, time.wMinute, time.wSecond,
time.wMilliseconds );
return S_OK;
default:
FIXME("Unhandled target type: %d\n", vt);
}
return E_FAIL;
}
static HRESULT PROPVAR_ConvertNumber(REFPROPVARIANT pv, int dest_bits,
BOOL dest_signed, LONGLONG *res)
{
BOOL src_signed;
switch (pv->vt)
{
case VT_I1:
src_signed = TRUE;
*res = pv->u.cVal;
break;
case VT_UI1:
src_signed = FALSE;
*res = pv->u.bVal;
break;
case VT_I2:
src_signed = TRUE;
*res = pv->u.iVal;
break;
case VT_UI2:
src_signed = FALSE;
*res = pv->u.uiVal;
break;
case VT_I4:
src_signed = TRUE;
*res = pv->u.lVal;
break;
case VT_UI4:
src_signed = FALSE;
*res = pv->u.ulVal;
break;
case VT_I8:
src_signed = TRUE;
*res = pv->u.hVal.QuadPart;
break;
case VT_UI8:
src_signed = FALSE;
*res = pv->u.uhVal.QuadPart;
break;
case VT_EMPTY:
src_signed = FALSE;
*res = 0;
break;
case VT_LPSTR:
{
char *end;
*res = strtoll(pv->u.pszVal, &end, 0);
if (pv->u.pszVal == end)
return DISP_E_TYPEMISMATCH;
src_signed = *res < 0;
break;
}
case VT_LPWSTR:
case VT_BSTR:
{
WCHAR *end;
*res = wcstol(pv->u.pwszVal, &end, 0);
if (pv->u.pwszVal == end)
return DISP_E_TYPEMISMATCH;
src_signed = *res < 0;
break;
}
case VT_R8:
{
src_signed = TRUE;
*res = pv->u.dblVal;
break;
}
default:
FIXME("unhandled vt %d\n", pv->vt);
return E_NOTIMPL;
}
if (*res < 0 && src_signed != dest_signed)
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
if (dest_bits < 64)
{
if (dest_signed)
{
if (*res >= ((LONGLONG)1 << (dest_bits-1)) ||
*res < ((LONGLONG)-1 << (dest_bits-1)))
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
}
else
{
if ((ULONGLONG)(*res) >= ((ULONGLONG)1 << dest_bits))
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
}
}
return S_OK;
}
HRESULT WINAPI PropVariantToDouble(REFPROPVARIANT propvarIn, double *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("(%p, %p)\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
if (SUCCEEDED(hr)) *ret = (double)res;
return hr;
}
HRESULT WINAPI PropVariantToInt16(REFPROPVARIANT propvarIn, SHORT *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 16, TRUE, &res);
if (SUCCEEDED(hr)) *ret = (SHORT)res;
return hr;
}
HRESULT WINAPI PropVariantToInt32(REFPROPVARIANT propvarIn, LONG *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 32, TRUE, &res);
if (SUCCEEDED(hr)) *ret = (LONG)res;
return hr;
}
HRESULT WINAPI PropVariantToInt64(REFPROPVARIANT propvarIn, LONGLONG *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
if (SUCCEEDED(hr)) *ret = res;
return hr;
}
HRESULT WINAPI PropVariantToUInt16(REFPROPVARIANT propvarIn, USHORT *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 16, FALSE, &res);
if (SUCCEEDED(hr)) *ret = (USHORT)res;
return hr;
}
HRESULT WINAPI PropVariantToUInt32(REFPROPVARIANT propvarIn, ULONG *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 32, FALSE, &res);
if (SUCCEEDED(hr)) *ret = (ULONG)res;
return hr;
}
HRESULT WINAPI PropVariantToUInt64(REFPROPVARIANT propvarIn, ULONGLONG *ret)
{
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
hr = PROPVAR_ConvertNumber(propvarIn, 64, FALSE, &res);
if (SUCCEEDED(hr)) *ret = (ULONGLONG)res;
return hr;
}
HRESULT WINAPI PropVariantToBoolean(REFPROPVARIANT propvarIn, BOOL *ret)
{
static const WCHAR trueW[] = {'t','r','u','e',0};
static const WCHAR falseW[] = {'f','a','l','s','e',0};
static const WCHAR true2W[] = {'#','T','R','U','E','#',0};
static const WCHAR false2W[] = {'#','F','A','L','S','E','#',0};
LONGLONG res;
HRESULT hr;
TRACE("%p,%p\n", propvarIn, ret);
*ret = FALSE;
switch (propvarIn->vt)
{
case VT_BOOL:
*ret = propvarIn->u.boolVal == VARIANT_TRUE;
return S_OK;
case VT_LPWSTR:
case VT_BSTR:
if (!propvarIn->u.pwszVal)
return DISP_E_TYPEMISMATCH;
if (!lstrcmpiW(propvarIn->u.pwszVal, trueW) || !lstrcmpW(propvarIn->u.pwszVal, true2W))
{
*ret = TRUE;
return S_OK;
}
if (!lstrcmpiW(propvarIn->u.pwszVal, falseW) || !lstrcmpW(propvarIn->u.pwszVal, false2W))
{
*ret = FALSE;
return S_OK;
}
break;
case VT_LPSTR:
if (!propvarIn->u.pszVal)
return DISP_E_TYPEMISMATCH;
if (!lstrcmpiA(propvarIn->u.pszVal, "true") || !lstrcmpA(propvarIn->u.pszVal, "#TRUE#"))
{
*ret = TRUE;
return S_OK;
}
if (!lstrcmpiA(propvarIn->u.pszVal, "false") || !lstrcmpA(propvarIn->u.pszVal, "#FALSE#"))
{
*ret = FALSE;
return S_OK;
}
break;
}
hr = PROPVAR_ConvertNumber(propvarIn, 64, TRUE, &res);
*ret = !!res;
return hr;
}
HRESULT WINAPI PropVariantToBuffer(REFPROPVARIANT propvarIn, void *ret, UINT cb)
{
HRESULT hr = S_OK;
TRACE("(%p, %p, %d)\n", propvarIn, ret, cb);
switch(propvarIn->vt)
{
case VT_VECTOR|VT_UI1:
if(cb > propvarIn->u.caub.cElems)
return E_FAIL;
memcpy(ret, propvarIn->u.caub.pElems, cb);
break;
case VT_ARRAY|VT_UI1:
FIXME("Unsupported type: VT_ARRAY|VT_UI1\n");
hr = E_NOTIMPL;
break;
default:
WARN("Unexpected type: %x\n", propvarIn->vt);
hr = E_INVALIDARG;
}
return hr;
}
HRESULT WINAPI PropVariantToString(REFPROPVARIANT propvarIn, PWSTR ret, UINT cch)
{
HRESULT hr;
WCHAR *stringW = NULL;
TRACE("(%p, %p, %d)\n", propvarIn, ret, cch);
ret[0] = '\0';
if(!cch)
return E_INVALIDARG;
hr = PropVariantToStringAlloc(propvarIn, &stringW);
if(SUCCEEDED(hr))
{
if(lstrlenW(stringW) >= cch)
hr = STRSAFE_E_INSUFFICIENT_BUFFER;
lstrcpynW(ret, stringW, cch);
CoTaskMemFree(stringW);
}
return hr;
}
HRESULT WINAPI PropVariantToStringAlloc(REFPROPVARIANT propvarIn, WCHAR **ret)
{
WCHAR *res = NULL;
HRESULT hr = S_OK;
TRACE("%p,%p semi-stub\n", propvarIn, ret);
switch(propvarIn->vt)
{
case VT_EMPTY:
case VT_NULL:
res = CoTaskMemAlloc(1*sizeof(WCHAR));
res[0] = '\0';
break;
case VT_LPSTR:
if(propvarIn->u.pszVal)
{
DWORD len;
len = MultiByteToWideChar(CP_ACP, 0, propvarIn->u.pszVal, -1, NULL, 0);
res = CoTaskMemAlloc(len*sizeof(WCHAR));
if(!res)
return E_OUTOFMEMORY;
MultiByteToWideChar(CP_ACP, 0, propvarIn->u.pszVal, -1, res, len);
}
break;
case VT_LPWSTR:
case VT_BSTR:
if (propvarIn->u.pwszVal)
{
DWORD size = (lstrlenW(propvarIn->u.pwszVal) + 1) * sizeof(WCHAR);
res = CoTaskMemAlloc(size);
if(!res) return E_OUTOFMEMORY;
memcpy(res, propvarIn->u.pwszVal, size);
}
break;
default:
FIXME("Unsupported conversion (%d)\n", propvarIn->vt);
hr = E_FAIL;
break;
}
*ret = res;
return hr;
}
PCWSTR WINAPI PropVariantToStringWithDefault(REFPROPVARIANT propvarIn, LPCWSTR pszDefault)
{
static const WCHAR str_empty[] = {0};
if (propvarIn->vt == VT_BSTR)
{
if (propvarIn->u.bstrVal == NULL)
return str_empty;
return propvarIn->u.bstrVal;
}
if (propvarIn->vt == VT_LPWSTR && propvarIn->u.pwszVal != NULL)
return propvarIn->u.pwszVal;
return pszDefault;
}
/******************************************************************
* PropVariantChangeType (PROPSYS.@)
*/
HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
PROPVAR_CHANGE_FLAGS flags, VARTYPE vt)
{
HRESULT hr;
FIXME("(%p, %p, %d, %d, %d): semi-stub!\n", ppropvarDest, propvarSrc,
propvarSrc->vt, flags, vt);
if (vt == propvarSrc->vt)
return PropVariantCopy(ppropvarDest, propvarSrc);
if (propvarSrc->vt == VT_FILETIME)
return PROPVAR_ConvertFILETIME(&propvarSrc->u.filetime, ppropvarDest, vt);
switch (vt)
{
case VT_I1:
{
LONGLONG res;
hr = PROPVAR_ConvertNumber(propvarSrc, 8, TRUE, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I1;
ppropvarDest->u.cVal = (char)res;
}
return hr;
}
case VT_UI1:
{
LONGLONG res;
hr = PROPVAR_ConvertNumber(propvarSrc, 8, FALSE, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI1;
ppropvarDest->u.bVal = (UCHAR)res;
}
return hr;
}
case VT_I2:
{
SHORT res;
hr = PropVariantToInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I2;
ppropvarDest->u.iVal = res;
}
return hr;
}
case VT_UI2:
{
USHORT res;
hr = PropVariantToUInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI2;
ppropvarDest->u.uiVal = res;
}
return hr;
}
case VT_I4:
{
LONG res;
hr = PropVariantToInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I4;
ppropvarDest->u.lVal = res;
}
return hr;
}
case VT_UI4:
{
ULONG res;
hr = PropVariantToUInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI4;
ppropvarDest->u.ulVal = res;
}
return hr;
}
case VT_I8:
{
LONGLONG res;
hr = PropVariantToInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I8;
ppropvarDest->u.hVal.QuadPart = res;
}
return hr;
}
case VT_UI8:
{
ULONGLONG res;
hr = PropVariantToUInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI8;
ppropvarDest->u.uhVal.QuadPart = res;
}
return hr;
}
case VT_LPWSTR:
case VT_BSTR:
{
WCHAR *res;
hr = PropVariantToStringAlloc(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_LPWSTR;
ppropvarDest->u.pwszVal = res;
}
return hr;
}
case VT_LPSTR:
{
WCHAR *resW;
hr = PropVariantToStringAlloc(propvarSrc, &resW);
if (SUCCEEDED(hr))
{
char *res;
DWORD len;
len = WideCharToMultiByte(CP_ACP, 0, resW, -1, NULL, 0, NULL, NULL);
res = CoTaskMemAlloc(len);
if (res)
{
WideCharToMultiByte(CP_ACP, 0, resW, -1, res, len, NULL, NULL);
ppropvarDest->vt = VT_LPSTR;
ppropvarDest->u.pszVal = res;
}
else
hr = E_OUTOFMEMORY;
CoTaskMemFree(resW);
}
return hr;
}
default:
FIXME("Unhandled dest type: %d\n", vt);
return E_FAIL;
}
}
static void PROPVAR_GUIDToWSTR(REFGUID guid, WCHAR *str)
{
static const WCHAR format[] = {'{','%','0','8','X','-','%','0','4','X','-','%','0','4','X',
'-','%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2','X',
'%','0','2','X','%','0','2','X','%','0','2','X','}',0};
swprintf(str, 39, format, guid->Data1, guid->Data2, guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
}
HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar)
{
TRACE("(%p %p)\n", guid, ppropvar);
if(!guid)
return E_FAIL;
ppropvar->vt = VT_LPWSTR;
ppropvar->u.pwszVal = CoTaskMemAlloc(39*sizeof(WCHAR));
if(!ppropvar->u.pwszVal)
return E_OUTOFMEMORY;
PROPVAR_GUIDToWSTR(guid, ppropvar->u.pwszVal);
return S_OK;
}
HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar)
{
TRACE("(%p %p)\n", guid, pvar);
if(!guid) {
FIXME("guid == NULL\n");
return E_FAIL;
}
V_VT(pvar) = VT_BSTR;
V_BSTR(pvar) = SysAllocStringLen(NULL, 38);
if(!V_BSTR(pvar))
return E_OUTOFMEMORY;
PROPVAR_GUIDToWSTR(guid, V_BSTR(pvar));
return S_OK;
}
HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar)
{
TRACE("(%p %u %p)\n", pv, cb, ppropvar);
ppropvar->u.caub.pElems = CoTaskMemAlloc(cb);
if(!ppropvar->u.caub.pElems)
return E_OUTOFMEMORY;
ppropvar->vt = VT_VECTOR|VT_UI1;
ppropvar->u.caub.cElems = cb;
memcpy(ppropvar->u.caub.pElems, pv, cb);
return S_OK;
}
HRESULT WINAPI InitPropVariantFromCLSID(REFCLSID clsid, PROPVARIANT *ppropvar)
{
TRACE("(%s %p)\n", debugstr_guid(clsid), ppropvar);
ppropvar->u.puuid = CoTaskMemAlloc(sizeof(*ppropvar->u.puuid));
if(!ppropvar->u.puuid)
return E_OUTOFMEMORY;
ppropvar->vt = VT_CLSID;
memcpy(ppropvar->u.puuid, clsid, sizeof(*ppropvar->u.puuid));
return S_OK;
}
HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar)
{
SAFEARRAY *arr;
void *data;
HRESULT hres;
TRACE("(%p %u %p)\n", pv, cb, pvar);
arr = SafeArrayCreateVector(VT_UI1, 0, cb);
if(!arr)
return E_OUTOFMEMORY;
hres = SafeArrayAccessData(arr, &data);
if(FAILED(hres)) {
SafeArrayDestroy(arr);
return hres;
}
memcpy(data, pv, cb);
hres = SafeArrayUnaccessData(arr);
if(FAILED(hres)) {
SafeArrayDestroy(arr);
return hres;
}
V_VT(pvar) = VT_ARRAY|VT_UI1;
V_ARRAY(pvar) = arr;
return S_OK;
}
static inline DWORD PROPVAR_HexToNum(const WCHAR *hex)
{
DWORD ret;
if(hex[0]>='0' && hex[0]<='9')
ret = hex[0]-'0';
else if(hex[0]>='a' && hex[0]<='f')
ret = hex[0]-'a'+10;
else if(hex[0]>='A' && hex[0]<='F')
ret = hex[0]-'A'+10;
else
return -1;
ret <<= 4;
if(hex[1]>='0' && hex[1]<='9')
return ret + hex[1]-'0';
else if(hex[1]>='a' && hex[1]<='f')
return ret + hex[1]-'a'+10;
else if(hex[1]>='A' && hex[1]<='F')
return ret + hex[1]-'A'+10;
else
return -1;
}
static inline HRESULT PROPVAR_WCHARToGUID(const WCHAR *str, int len, GUID *guid)
{
DWORD i, val=0;
const WCHAR *p;
memset(guid, 0, sizeof(GUID));
if(len!=38 || str[0]!='{' || str[9]!='-' || str[14]!='-'
|| str[19]!='-' || str[24]!='-' || str[37]!='}') {
WARN("Error parsing %s\n", debugstr_w(str));
return E_INVALIDARG;
}
p = str+1;
for(i=0; i<4 && val!=-1; i++) {
val = PROPVAR_HexToNum(p);
guid->Data1 = (guid->Data1<<8) + val;
p += 2;
}
p++;
for(i=0; i<2 && val!=-1; i++) {
val = PROPVAR_HexToNum(p);
guid->Data2 = (guid->Data2<<8) + val;
p += 2;
}
p++;
for(i=0; i<2 && val!=-1; i++) {
val = PROPVAR_HexToNum(p);
guid->Data3 = (guid->Data3<<8) + val;
p += 2;
}
p++;
for(i=0; i<8 && val!=-1; i++) {
if(i == 2)
p++;
val = guid->Data4[i] = PROPVAR_HexToNum(p);
p += 2;
}
if(val == -1) {
WARN("Error parsing %s\n", debugstr_w(str));
memset(guid, 0, sizeof(GUID));
return E_INVALIDARG;
}
return S_OK;
}
HRESULT WINAPI PropVariantToGUID(const PROPVARIANT *ppropvar, GUID *guid)
{
TRACE("%p %p)\n", ppropvar, guid);
switch(ppropvar->vt) {
case VT_BSTR:
return PROPVAR_WCHARToGUID(ppropvar->u.bstrVal, SysStringLen(ppropvar->u.bstrVal), guid);
case VT_LPWSTR:
return PROPVAR_WCHARToGUID(ppropvar->u.pwszVal, lstrlenW(ppropvar->u.pwszVal), guid);
case VT_CLSID:
memcpy(guid, ppropvar->u.puuid, sizeof(*ppropvar->u.puuid));
return S_OK;
default:
FIXME("unsupported vt: %d\n", ppropvar->vt);
return E_NOTIMPL;
}
}
HRESULT WINAPI VariantToGUID(const VARIANT *pvar, GUID *guid)
{
TRACE("(%p %p)\n", pvar, guid);
switch(V_VT(pvar)) {
case VT_BSTR: {
HRESULT hres = PROPVAR_WCHARToGUID(V_BSTR(pvar), SysStringLen(V_BSTR(pvar)), guid);
if(hres == E_INVALIDARG)
return E_FAIL;
return hres;
}
default:
FIXME("unsupported vt: %d\n", V_VT(pvar));
return E_NOTIMPL;
}
}
static BOOL isemptyornull(const PROPVARIANT *propvar)
{
if (propvar->vt == VT_EMPTY || propvar->vt == VT_NULL)
return TRUE;
if ((propvar->vt & VT_ARRAY) == VT_ARRAY)
{
int i;
for (i=0; i<propvar->u.parray->cDims; i++)
{
if (propvar->u.parray->rgsabound[i].cElements != 0)
break;
}
return i == propvar->u.parray->cDims;
}
if (propvar->vt == VT_CLSID)
return !propvar->u.puuid;
/* FIXME: vectors, byrefs, errors? */
return FALSE;
}
INT WINAPI PropVariantCompareEx(REFPROPVARIANT propvar1, REFPROPVARIANT propvar2,
PROPVAR_COMPARE_UNIT unit, PROPVAR_COMPARE_FLAGS flags)
{
const PROPVARIANT *propvar2_converted;
PROPVARIANT propvar2_static;
HRESULT hr;
INT res=-1;
TRACE("%p,%p,%x,%x\n", propvar1, propvar2, unit, flags);
if (isemptyornull(propvar1))
{
if (isemptyornull(propvar2))
return 0;
return (flags & PVCF_TREATEMPTYASGREATERTHAN) ? 1 : -1;
}
if (isemptyornull(propvar2))
return (flags & PVCF_TREATEMPTYASGREATERTHAN) ? -1 : 1;
if (propvar1->vt != propvar2->vt)
{
hr = PropVariantChangeType(&propvar2_static, propvar2, 0, propvar1->vt);
if (FAILED(hr))
return -1;
propvar2_converted = &propvar2_static;
}
else
propvar2_converted = propvar2;
#define CMP_NUM_VALUE(var) do { \
if (propvar1->u.var > propvar2_converted->u.var) \
res = 1; \
else if (propvar1->u.var < propvar2_converted->u.var) \
res = -1; \
else \
res = 0; \
} while (0)
switch (propvar1->vt)
{
case VT_I1:
CMP_NUM_VALUE(cVal);
break;
case VT_UI1:
CMP_NUM_VALUE(bVal);
break;
case VT_I2:
CMP_NUM_VALUE(iVal);
break;
case VT_UI2:
CMP_NUM_VALUE(uiVal);
break;
case VT_I4:
CMP_NUM_VALUE(lVal);
break;
case VT_UI4:
CMP_NUM_VALUE(uiVal);
break;
case VT_I8:
CMP_NUM_VALUE(hVal.QuadPart);
break;
case VT_UI8:
CMP_NUM_VALUE(uhVal.QuadPart);
break;
case VT_R4:
CMP_NUM_VALUE(fltVal);
break;
case VT_R8:
CMP_NUM_VALUE(dblVal);
break;
case VT_BSTR:
case VT_LPWSTR:
/* FIXME: Use other string flags. */
if (flags & (PVCF_USESTRCMPI | PVCF_USESTRCMPIC))
res = lstrcmpiW(propvar1->u.bstrVal, propvar2_converted->u.bstrVal);
else
res = lstrcmpW(propvar1->u.bstrVal, propvar2_converted->u.bstrVal);
break;
case VT_LPSTR:
/* FIXME: Use other string flags. */
if (flags & (PVCF_USESTRCMPI | PVCF_USESTRCMPIC))
res = lstrcmpiA(propvar1->u.pszVal, propvar2_converted->u.pszVal);
else
res = lstrcmpA(propvar1->u.pszVal, propvar2_converted->u.pszVal);
break;
case VT_CLSID:
res = memcmp(propvar1->u.puuid, propvar2->u.puuid, sizeof(*propvar1->u.puuid));
if (res) res = res > 0 ? 1 : -1;
break;
default:
FIXME("vartype %#x not handled\n", propvar1->vt);
res = -1;
break;
}
if (propvar2_converted == &propvar2_static)
PropVariantClear(&propvar2_static);
return res;
}
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