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Date: Sun, 23 Oct 2016 22:00:19 +0300
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From: "Eli Zaretskii (eliz AT gnu DOT org) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <580D0638.8080605@gmx.de> (djgpp@delorie.com)
Subject: Re: A grep 2.26 test fails because fopen sets errno to EACCES when
 openning an existing directory.
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> Date: Sun, 23 Oct 2016 20:49:28 +0200
> From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
> 
> I have also installed mingw and msys 1.0 and tried to build grep but it failed
> and I had not the time to port grep to mingw.

Porting Grep to MinGW is not for the faint at heart, and MinGW cannot
open a directory anyway (because it uses the stock Windows runtime C
library).

> I have compiled grep-2.26 with cygwin, debian 8.2.0 and openSUSE 11.4 (my linux box).
> They all return EISDIR for the failing fread.  These seems to indicate that
> EISDIR is the defacto value that have been choosen for this fread failure.

Then I guess EISDIR is the right answer.

Thanks.