Citerar Josh Triplett <josht@xxxxxxxxxxxxxxxxxx>:
> On Wed, 2007-07-18 at 03:19 +0100, Al Viro wrote:
> > On Wed, Jul 18, 2007 at 03:43:39AM +0200, ricknu-0@xxxxxxxxxxxxxx wrote:
> >
> > > * Most likly a _really_ stupid newbie question, but I have seen several
> of this
> > > form:
> > > <function>
> > > {
> > > <variable> a;
> > > <doing something useful (no sign of 'a')>
> > > a = <some value/variable>;
> > > <exit>
> > > }
> > > How is this variable useful?
> >
> > Explain, please. If you mean moving the declaration down - it's not
> > idiomatic in C and frankly, C++ style tends to make declarations harder
> > to find when you read the code.
>
> Judging by that pseudocode, I would guess that he means the function
> never uses the value of a after assigning to it. That would generally
> represent a bug.
>
Yes exactly :)
Ok, then I know. Worrid it was some magic I could not get my mind around.
Thanks
Richard
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