propsys: Implement InitVariantFromFileTime.

dlls/propsys/propsys.spec

@@ -49,7 +49,7 @@
 @ stub InitVariantFromBooleanArray
 @ stdcall InitVariantFromBuffer(ptr long ptr)
 @ stub InitVariantFromDoubleArray
-@ stub InitVariantFromFileTime
+@ stdcall InitVariantFromFileTime(ptr ptr)
 @ stub InitVariantFromFileTimeArray
 @ stdcall InitVariantFromGUIDAsString(ptr ptr)
 @ stub InitVariantFromInt16Array

dlls/propsys/propvar.c

@@ -672,6 +672,21 @@ HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar)
     return S_OK;
 }
 
+HRESULT WINAPI InitVariantFromFileTime(const FILETIME *ft, VARIANT *var)
+{
+    SYSTEMTIME st;
+
+    TRACE("%p, %p\n", ft, var);
+
+    VariantInit(var);
+    if (!FileTimeToSystemTime(ft, &st))
+        return E_INVALIDARG;
+    if (!SystemTimeToVariantTime(&st, &V_DATE(var)))
+        return E_INVALIDARG;
+    V_VT(var) = VT_DATE;
+    return S_OK;
+}
+
 static inline DWORD PROPVAR_HexToNum(const WCHAR *hex)
 {
     DWORD ret;

include/propvarutil.h

@@ -71,6 +71,7 @@ typedef int PROPVAR_COMPARE_FLAGS;
 HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
                                      PROPVAR_CHANGE_FLAGS flags, VARTYPE vt);
 HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar);
+HRESULT WINAPI InitVariantFromFileTime(const FILETIME *ft, VARIANT *var);
 HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar);
 HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar);
 HRESULT WINAPI InitPropVariantFromCLSID(REFCLSID clsid, PROPVARIANT *ppropvar);