Mail Archives: cygwin/2006/06/12/13:12:39
Ugh, top-posting... Reformatted.
On Mon, 12 Jun 2006, Thomas SMETS wrote:
> From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
> To: Thomas Baker <thomas dot baker at bi dot fhg dot de>
> Cc: cygwin at cygwin dot com
> Date: Mon, 6 Jun 2005 10:26:26 -0400 (EDT)
> Subject: Re: Memory error with PDKSH 5.2.14-3?
>
> > On Mon, 6 Jun 2005, Thomas Baker wrote:
> >
> > > Just wanted to report that I was seeing error messages such as the
> > > following in Korn shell scripts:
> > >
> > > /home/tbaker/u/bin/urlists[50]: internal error: alloc: freeing
> > > memory outside of block (corrupted?)
> > >
> > > By running the scripts in debug mode (set -x), I found that
> > > the problem seemed to occur when declared functions (i.e.,
> > > declared within the script) were invoked multiple times.
> > > The functions would work at first, then stop working --
> > > as if the functions somehow ate up the available memory.
> > >
> > > Since rolling back from 5.2.14-3 to 5.2.14-2, the problem
> > > seems to have gone away.
> > >
> > > I am not a programmer and do not have time to test this
> > > systematically but thought others on this list might want
> > > to hear about this.
> >
> > Thanks for the report. However:
> >
> > I have no hope of reproducing this, do I?
> >
> > AFAICS, the few changes from 5.2.14-2 to 5.2.14-3 that could have possibly
> > caused this are the fixes in the autoconf files. I doubt the "struct
> > option" magic would matter, but it's possible, I guess, though by
> > eyeballing the code the two versions do look functionally equivalent.
> >
> > It would help to have a script that demonstrates the problem. I can't do
> > anything otherwise, sorry...
> >
> > Igor Pechtchanski, the Cygwin pdksh volunteer maintainer
>
> One year later .... (with the same/latest version)
> Using :
> set -x
> set -v
> in a script generates a similar error around line 50whatever code I put
> in the script
Did you even read my reply to the OP? I cannot reproduce this without a
complete testcase. Since I cannot reproduce this, there is no way I can
fix this. Unless someone provides a complete testcase that exhibits this
behavior, this problem will remain unfixed.
Igor Peshansky, the Cygwin PDKSH volunteer maintainer
--
http://cs.nyu.edu/~pechtcha/
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ZZZzz /,`.-'`' -. ;-;;,_ Igor Peshansky, Ph.D. (name changed!)
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