Re: [PATCH 5/7] pkt-line: check write_in_full() errors against "< 0"

> As with the previous two commits, we prefer to check
> write_in_full()'s return value to see if it is negative,
> rather than comparing it to the input length.
>
> These cases actually flip the logic to check for success,
> making conversion a little different than in other cases. We
> could of course write:
>
>   if (write_in_full(...) >= 0)
>           return 0;
>  return error(...);
>
> But our usual method of spelling write() error checks is
> just "< 0". So let's flip the logic for each of these
> conditionals to our usual style.
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
>  pkt-line.c | 29 ++++++++++++++---------------
>  1 file changed, 14 insertions(+), 15 deletions(-)