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Date: Fri, 09 Mar 2012 10:06:02 +0200
From: Eli Zaretskii <eliz AT gnu DOT org>
Subject: Re: errno returned by open()
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> From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
> Date: Thu, 8 Mar 2012 23:06:14 +0100
> 
> I have adjusted the fix according to your suggestion.  I restore the original
> errno no matter if the previous call to llseek() or _write() still set it.  At
> this stage the file descriptor is greater than -1 and thus valid.  AFAIK if fd
> is valid no errno should be generated by the open() code itself and then be
> passed to the calling function.

That sounds correct to me.  Thanks.