shel32/tests : Use LOWORD to extract rc from pointer.

[Dmitry Timoshkov]

"Erik de Castro Lopo" <mle+win at mega-nerd.com> wrote:

> -    rc=(int)ShellExecute(NULL, operation, file, parameters, directory,
> -                         SW_SHOWNORMAL);
> +    rc=LOWORD(ShellExecute(NULL, operation, file, parameters, directory,
> +                         SW_SHOWNORMAL));
>  
>      if (rc > 32)
>      {
> @@ -167,7 +167,7 @@ static int shell_execute_ex(DWORD mask, LPCSTR operation, LPCSTR file,
>      DeleteFile(child_file);
>      SetLastError(0xcafebabe);
>      success=ShellExecuteEx(&sei);
> -    rc=(int)sei.hInstApp;
> +    rc=LOWORD(sei.hInstApp);
>      ok((success && rc > 32) || (!success && rc <= 32),
>         "%s rc=%d and hInstApp=%d is not allowed\n", shell_call, success, rc);
>  
> @@ -836,24 +836,24 @@ static void test_find_executable(void)
>      /* Don't test FindExecutable(..., NULL), it always crashes */
>  
>      strcpy(command, "your word");
> -    rc=(int)FindExecutableA(NULL, NULL, command);
> +    rc=LOWORD(FindExecutableA(NULL, NULL, command));
>      ok(rc == SE_ERR_FNF || rc > 32 /* nt4 */, "FindExecutable(NULL) returned %d\n", rc);

You need to change the type of rc to HINSTANCE and fix the comparisons instead.
What happens if the returned HINSTANCE has a value <= 32 in its low word?

-- 
Dmitry.