setupapi: enumerate serial ports

[Alexandre Julliard]

Juan Lang <juan_lang at yahoo.com> writes:

> +/* Based on code from winspool's info.c */
> +static UINT SETUP_CountSerialPorts(void)
> +{
> +    UINT i, ret;
> +
> +    /* FIXME: it should be possible for more than four COM ports to exist, not
> +     * sure why we retain that limit, but winspool does too so go with it.
> +     */
> +    for (i = 0, ret = 0; i < 4; i++)
> +    {
> +        if (SETUP_SerialPortExists(i))
> +            ret++;
> +    }
> +    TRACE("returning %d\n", ret);
> +    return ret;
> +}

It would probably be better to use QueryDosDevice here.

-- 
Alexandre Julliard
julliard at winehq.org