Re: [ros-dev] Uninitialized static variable in function

[Javier Agustìn Fernàndez Arroyo]

O_O
why?

On Sun, Mar 20, 2011 at 11:21 AM, Ged Murphy <gedmurphy(a)gmail.com> wrote:

>   You'll learn in due course that college lecturers
> are often wrong.
>
>
>  2011/3/20 Javier Agustìn Fernàndez Arroyo <elhoir(a)gmail.com>om>:
> >   teachers at college told us it is a must to
> > initialize variables.....
> >
> >  On Sun, Mar 20, 2011 at 10:53 AM, Dmitry Gorbachev < 
> d.g.gorbachev(a)gmail.com&gt;
> >   wrote:
> > >
> > > Hi,
> > >
> > > > please, initialize "i" to 0. Non-initialized variable store garbage,
> > > > not zeroes.
> > >
> > > It probably does not look very well, but otherwise correct:
> > >
> > > > If an object that has static storage duration is not initialized
> > > > explicitly, then:
> > > > — if it has pointer type, it is initialized to a null pointer;
> > > > — if it has arithmetic type, it is initialized to (positive or 
>  unsigned)
> >  > > zero;
> > > > — if it is an aggregate, every member is initialized (recursively)
> > > > according to these rules;
> > > > — if it is a union, the first named member is initialized 
>  (recursively)
> > > >   according to these rules. 
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