ntdll: Add support for root directory in NtCreateFile for Win32 file objects.

dlls/ntdll/file.c

@@ -158,16 +158,9 @@ NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIB
 
     if (alloc_size) FIXME( "alloc_size not supported\n" );
 
-    if (attr->RootDirectory)
-    {
-        FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
-        return STATUS_OBJECT_NAME_NOT_FOUND;
-    }
-
-    io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
-                                              !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
-
-    if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
+    if (attr->RootDirectory ||
+        (io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
+                                 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )) == STATUS_BAD_DEVICE_TYPE)
     {
         SERVER_START_REQ( open_file_object )
         {

dlls/ntdll/tests/om.c

@@ -553,7 +553,7 @@ static void test_symboliclink(void)
 
     pRtlCreateUnicodeStringFromAsciiz(&str, "test-link\\PIPE");
     status = pNtOpenFile(&h, GENERIC_READ, &attr, &iosb, FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN);
-    todo_wine ok(status == STATUS_SUCCESS, "Failed to open NamedPipe(%08x)\n", status);
+    ok(status == STATUS_SUCCESS, "Failed to open NamedPipe(%08x)\n", status);
     pRtlFreeUnicodeString(&str);
 
     pNtClose(h);