Re: funcnest and recursion

[Ondrej Oprala]

On 05/23/2014 04:48 PM, Chet Ramey wrote:
> On 5/23/14, 10:17 AM, Ondrej Oprala wrote:
> > Hi, there've recently been a few bug reports against bash on RH BZ,
> > saying that bash can't handle infinite recursion the way zsh or ksh can.
> >
> > Looking at execute_cmd.c, there are the  funcnest{,_max} variables
> > and a piece of code using them in execute_function().
> >
> > Will funcnest_max be set to non-0 in upstream code in the future?
> > Or is it just there for the downstream maintainers to set it if they
> > see it fit?
> Neither.  The funcnest_max variable reflects the value of the FUNCNEST
> shell variable.
Ah. I should have poked around the code (or the man page) more then, my bad.
> Users can set the maximum recursion level they want,
> without changing the bash code at all, but the default is still as much as
> the stack will give you (as it has been all along).
Of course.
> Chet
Thanks for the clarification.

    Ondrej