Will this do?  Otherwise feel free to adjust the patch the way 
Python needs it, i'll learn from that, then, for possible future 
things.  (I need to go down now.)

On Mon, Feb 28, 2011 at 02:37:16PM +0000, Antoine Pitrou wrote:
> 
> Antoine Pitrou <pitrou@free.fr> added the comment:
> 
> Your patch is not cleaned up. There are strange things like:
> 
> +            ret ^= ret;
> 
> (while would you xor an off_t?)
> 
> and
> 
> +        do {    off_t x = (*buf)[i].len;
> +                (*iov)[i].iov_len = x;
> +                ret += x;
> +        } while (0);