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Re: a recursion bug

From: Chet Ramey
Subject: Re: a recursion bug
Date: Wed, 03 Oct 2012 16:39:13 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:15.0) Gecko/20120907 Thunderbird/15.0.1

On 10/3/12 3:40 PM, Greg Wooledge wrote:
> On Wed, Oct 03, 2012 at 01:23:58PM -0600, Bob Proulx wrote:
>> But in any case, is there
>> anything in there that is about bash?  If so the we need an exact test
>> case.
> You could start with this one:
> imadev:~$ bash-4.2.28 -c 'a() { echo "$1"; a $(($1+1)); }; a 1' 2>&1 | tail   
> Pid 4466 received a SIGSEGV for stack growth failure.
> Possible causes: insufficient memory or swap space,
> or stack size exceeded maxssiz.

There's not actually anything you can do about that except use ulimit to
get as much stack space as you can.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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