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Date:      Sat, 14 Jul 2007 12:57:57 -0500 (CDT)
From:      "Sean C. Farley" <scf@FreeBSD.org>
To:        Andrey Chernov <ache@nagual.pp.ru>
Cc:        freebsd-current <freebsd-current@FreeBSD.org>
Subject:   Re: Environment handling broken in /bin/sh with changes to t,set,put}env()
Message-ID:  <20070714125346.U27236@thor.farley.org>
In-Reply-To: <20070714170328.GA37383@nagual.pp.ru>
References:  <20070713202433.GA19856@nagual.pp.ru> <20070713203915.GA20270@nagual.pp.ru> <20070713171942.Q26096@thor.farley.org> <20070713224608.GB21695@nagual.pp.ru> <20070713184543.A26096@thor.farley.org> <20070714004116.GA22909@nagual.pp.ru> <20070713200048.X26971@thor.farley.org> <20070714014319.GA24701@nagual.pp.ru> <20070714022638.GA25256@nagual.pp.ru> <20070714080553.I27236@thor.farley.org> <20070714170328.GA37383@nagual.pp.ru>

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On Sat, 14 Jul 2007, Andrey Chernov wrote:

> On Sat, Jul 14, 2007 at 10:25:03AM -0500, Sean C. Farley wrote:

*snip*

>> The new patch is here:
>> http://www.farley.org/freebsd/tmp/setenv/clearenv/patch2
>
> Ok.
>
> BTW, I see no needs to duplicate code here:
>
>        rtrnVal = __rebuild_environ(envVarsTotal);
>        if (rtrnVal == -1) {
>                savedErrno = errno;
>                __clean_env(true);
>                errno = savedErrno;
>        }
>
>        return (rtrnVal);
>
> Failure:
>        savedErrno = errno;
>        __clean_env(true);
>        errno = savedErrno;
>
>        return (-1);
>
> instead of simple:
>
>        rtrnVal = __rebuild_environ(envVarsTotal);
>        if (rtrnVal == -1)
> 		goto Failure;
>
> like before in this function.

True.  I also changed it to:

     if (__rebuild_environ(envVarsTotal) == 0)
         return (0);

to get rid of the rtrnVal variable.

Sean
-- 
scf@FreeBSD.org



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