On Mon, Mar 07, 2005 at 01:21:33AM +0100, Domen Puncer wrote:
> On 07/03/05 00:07 +0000, Ralph Corderoy wrote:
> >
> > Hi Domen,
> >
> > > - if (db->dict) {
> > > - vfree (db->dict);
> > > - db->dict = NULL;
> > > - }
> > > + vfree (db->dict);
> > > + db->dict = NULL;
> >
> > Is it really worth always calling vfree() which calls __vunmap() before
> > db->dict is determined to be NULL in order to turn three lines into two?
>
> Four lines into two :-)
>
> > Plus the write to db->dict which might otherwise not be needed. The old
> > code was clear, clean, and fast, no?
>
> Shorter and more readable code is always better, right? And speed really
> doesn't seem to be an issue here.
>
I also prefer the old code, since it make clear, that you must be careful
here, since the function can be called with already freed db->dict, and for
me this version is not better readable as the old one.
--
Karsten Keil
SuSE Labs
ISDN development
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