Re: [PATCH] Really *do* nothing in while loop

[James Purser <purserj@ksit.dynalias.com>]

On Sun, 2005-05-08 at 19:48, Michael Tokarev wrote:
> Thomas Glanzmann wrote:
> > [PATCH] Really *do* nothing in while loop
> > 
> > Signed-Off-by: Thomas Glanzmann <sithglan@stud.uni-erlangen.de>
> > 
> > --- a/sha1_file.c
> > +++ b/sha1_file.c
> > @@ -335,7 +335,7 @@
> >  	stream.next_in = hdr;
> >  	stream.avail_in = hdrlen;
> >  	while (deflate(&stream, 0) == Z_OK)
> > -		/* nothing */
> > +		/* nothing */;
> >  
> >  	/* Then the data itself.. */
> >  	stream.next_in = buf;
> 
> Well, the lack of semicolon is wrong really (and funny).
> 
> But is the whole while loop needed at all?  deflate()
> consumes as much input as it can, producing as much output
> as it can.  So without the loop, and without updating the
> buffer pointers ({next,avail}_{in,out}) it will do just
> fine without the loop, and will return something != Z_OK
> on next iteration.  If this is to mean to flush output,
> it should be deflate(&stream, Z_FLUSH) or something.
> 
> /mjt
> 
> P.S.  What's git@vger.kernel.org for ?
Its the mailing list for git development.
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-- 
James Purser
http://ksit.dynalias.com