Re: [avr-gcc-list] use of GOTO statement

[Royce Pereira]

hI,

On Sun, 14 Aug 2005 09:35:38 +0530, Russell Shaw <address@hidden>  
wrote:

> Royce Pereira wrote:
> > Hi,
> >  On Sun, 14 Aug 2005 06:18:20 +0530, Hugo González Monteverde   
> > <address@hidden> wrote:
> >
> > > Why exactly do you want to return to a different place? Looks like   
> > > another, less complicated solution may be better. As Steve said, the   
> > > standard way of having INT code affect non INT code is to set   
> > > asynchronous flags (remember they should be volatile too) in the  
> > > main()  code...
> > >
> > > In any case, I have never used goto myself and was wondering... I  
> > > think  it only allows jumping to a label in the same function... or is  
> > > it a  UNIXism of me?
> >  That is correct. You cant jump(GOTO) out of a function.
> > --Royce.
>
> But you can longjmp().

Well, I've never used it, but probably this is a macro for inline  
assembly. Also one has to take care to correct the stack(while used inside  
a function to jump out of it).
--Royce
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