Re: Fw: tds_write_packet returns FAIL

Il giorno 02/apr/2011, alle ore 13.58, "James K. Lowden" <[email protected] 
 > ha scritto:

> tds_write_packet() returns TDS_FAIL if zero bytes were written, but
> it's not an error to send a zero-length query.
>
> I think the return statement below should be
>
>    return sent < 0 ? TDS_FAIL : TDS_SUCCEED;
>
> but maybe I'm missing something?
>
> tds_write_packet(TDSSOCKET * tds, unsigned char final)
> ...
>    sent = tds_goodwrite(tds, tds->out_buf,
>                tds->out_pos, final);
> ...
>    return sent <= 0 ? TDS_FAIL : TDS_SUCCEED;
>

An empty query has an header so here  out_pos is always > 0 and  
tds_goodwrite has to return a value strictly greater than 0. I don't  
remember if 0 is a special value from tds_goodwrite.

bye
   freddy77