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Date: Thu, 12 May 2016 22:03:36 +0300
Message-ID: <CAA2C=vAKytNqZa7qHVeRCzhGv1Wd9P3QSSPoP5H7RG=RzUbhAQ@mail.gmail.com>
Subject: Re: Fwd: A few DJGPP libc.a bugs
From: "Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
To: djgpp AT delorie DOT com
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On 5/11/16, Wiktor S. (wswiktorSP AT Mpoczta DOT fm) [via djgpp AT delorie DOT com]
<djgpp AT delorie DOT com> wrote:
>> Also of interest is whether cat.exe is built with 2.05 and, if it is,
>> whether a version of cat.exe built with 2.03 fails or succeeds.
>
> The problem does NOT occur in cat.exe from deleted/v2gnu/txt20b.zip
> Only in newer version from current/v2gnu/txt20br2.zip
>

On 5/12/16, Wiktor S. (wswiktorSP AT Mpoczta DOT fm) [via djgpp AT delorie DOT com]
<djgpp AT delorie DOT com> wrote:
>> Can you debug the libc functions involved and see which one of them
>> fails?
>
> fopen() fails because open() fails because _open() fails.
>

Since the old version does not fail, the problem must be introduced
possibly between 2.03 and 2.04, or possibly between 2.04 and 2.05.

2.04 added symlink and open-dir-as-fd funnies. 2.05 made changes
to how lfn functions are used. It would be interesting to test builds
made against original v2.04 from 2003: if that doesn't have the issue,
than the problem is introduced between 2.04 and 2.05 possibly by the
lfn changes by Juan.

--
O.S.