Code review request 6858865: Fix for 6728376 causes regression if the size of "data" is 0 and malloc returns Null for 0-length

[Alan Bateman]

Xueming Shen wrote:
> :
> We can probably do that for Inflater.c (and probably better do that at 
> java level before
> we even "come down" here), but thing gets a little complicated for 
> Deflater. One of the
> paths of the deflateBytes is to deal with parameter(s) change, so if 
> malloc does not
> fail for 0-length request (true on all supported platforms), the 
> deflateBytes goes down
> to zlib's deflateParams() and if there is nothing left to flush, 
> "this" invocation can successfully
> re-set the param(s) and return 0. The reason why I decided to go with 
> the "safe and simple"
> solution last night, the proposed webrev at least should behave the 
> exactly the same as it
> was before.
>
> -Sherman
>
I think it would be a bit cleaner for inflater.  For deflater would it 
cleaner to just skip the mallocs when the lengths are 0 (for the 
deflateParams path).

-Alan.