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Date: Wed, 4 Jul 2007 21:53:15 -0500 (CDT)
From: "Sean C. Farley" <scf@FreeBSD.org>
To: Andrey Chernov <ache@nagual.pp.ru>
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Cc: freebsd-current <freebsd-current@FreeBSD.org>,
	Robert Watson <rwatson@FreeBSD.org>, Michal Mertl <mime@traveller.cz>
Subject: Re: Environment handling broken in /bin/sh with changes to
 {get,set,put}env()
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On Thu, 5 Jul 2007, Andrey Chernov wrote:

> On Wed, Jul 04, 2007 at 11:59:39PM +0400, Andrey Chernov wrote:
>>> Sean
>>>   1. http://www.farley.org/freebsd/tmp/setenv/clearenv/
>
> BTW, I think this one should _not_ free() anything according to your
> comment:
>
>  No
> * previous variables are ever freed here to avoid causing a segmentation fault
> * in a user's code.

The latest patch at the same URL fixes that issue.  It basically
deactivates all existing variables and inserts the new environ variables
into the envVars array.

Sean
-- 
scf@FreeBSD.org