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Date: Sun, 02 Nov 2003 20:29:49 +0000
From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
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To: Eli Zaretskii <eliz AT elta DOT co DOT il>
CC: djgpp-workers AT delorie DOT com
Subject: Re: locale fixes
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Reply-To: djgpp-workers AT delorie DOT com

Hello.

Eli Zaretskii wrote:
> 
> > Date: Thu, 30 Oct 2003 19:21:15 +0000
> > From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
> >
> > > I have no good idea how to check fix for the realloc() in regex.
> > > I did it by the visual examination of code.
> >
> > I was thinking of something like this:
> >
> > Write some regression tests for regexps. (Actually, there are already
> > some.) Modify realloc so that it fails randomly. Rebuild libc and test.
> > Check that nothing bad happens.
> 
> Can functions in malldbg.c help here?

It looks like it can help detect buffer overruns.

I couldn't see a way to make realloc fail 25% of the time, say. It would be
nice to have something like this, to check that libc handles malloc/realloc
failures gracefully.

Maybe the memory allocation hooks could return an int, to indicate whether the
operation should be allowed to take place. Or maybe that belongs in a new set
of hooks - a memory allocation policy manager?

Bye, Rich =]

-- 
Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]

"You can't evaluate a man by logic alone." -- McCoy, "I, Mudd", Star Trek