GNU bug report logs - #34180
27.0.50; argv[0] used incorrectly to find the .pdmp

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Message #31 received at 34180 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 34180 <at> debbugs.gnu.org, dancol <at> dancol.org, monnier <at> IRO.UMontreal.CA,
 paul.eggert <at> verizon.net
Subject: Re: bug#34180: 27.0.50; argv[0] used incorrectly to find the .pdmp
Date: Mon, 11 Oct 2021 18:54:11 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Daniel Colascione <dancol <at> dancol.org>,  34180 <at> debbugs.gnu.org,
>   monnier <at> IRO.UMontreal.CA, Paul Eggert <paul.eggert <at> verizon.net>
> Date: Mon, 11 Oct 2021 16:02:44 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Wouldn't it be better to have a method of finding the absolute file
> > name of the executable from which the process was started, regardless
> > of what argv[0] says?  The way to do that is system-dependent (on
> > GNU/Linux, I believe you need to readlink ("/proc/self/exe") or
> > somesuch, for example), but AFAIK this can be done on all platforms we
> > support.
> 
> It looks like find_executable from progreloc in gnulib provides a
> portable interface for this?

We already solved that in load_pdump_find_executable, didn't we?

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