On Sun, Nov 02, 2014 at 10:53:27PM +0100, Marko Tiikkaja wrote:
> On 11/2/14, 10:34 PM, Noah Misch wrote:
> >On Sun, Nov 02, 2014 at 05:10:25AM +0100, Marko Tiikkaja wrote:
> >>*** a/contrib/pgcrypto/pgp-decrypt.c
> >>--- b/contrib/pgcrypto/pgp-decrypt.c
> >>***************
> >>*** 1069,1075 **** pgp_skip_packet(PullFilter *pkt)
> >>
> >>    while (res > 0)
> >>            res = pullf_read(pkt, 32 * 1024, &tmp);
> >>!   return res < 0 ? res : 0;
> >>   }
> >>
> >>   /*
> >>--- 1069,1075 ----
> >>
> >>    while (res > 0)
> >>            res = pullf_read(pkt, 32 * 1024, &tmp);
> >>!   return res;
> >
> >Why is the old code silly and the new code correct?
> 
> When the loop terminates, res can only be <= 0.  If res is less than 0, res
> is returned.  In all other cases (i.e. when res == 0), 0 is returned.  The
> ternary expression is completely unnecessary.

Quite so.  Committed.


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