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Date: Mon, 25 Mar 2013 19:08:00 -0000
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From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: eliz@gnu.org
CC: brobecker@adacore.com, gdb-patches@sourceware.org, palves@redhat.com,        jan.kratochvil@redhat.com, ralf.corsepius@rtems.org, vapier@gentoo.org,        joel.sherrill@oarcorp.com
In-reply-to: <83k3ov1mo0.fsf@gnu.org> (message from Eli Zaretskii on Mon, 25	Mar 2013 18:14:55 +0200)
Subject: Re: one week to gdb-7.6 release?
References: <20130320160032.GC5447@adacore.com> <83vc8myoyb.fsf@gnu.org> <83ehf64cfs.fsf@gnu.org> <20130323162534.GI5447@adacore.com> <834ng23soj.fsf@gnu.org> <20130325151825.GJ5447@adacore.com> <83k3ov1mo0.fsf@gnu.org>
X-SW-Source: 2013-03/txt/msg00942.txt.bz2

> Date: Mon, 25 Mar 2013 18:14:55 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > What I would do is add a comment inside the posix implementation that
> > the current use of this function is such that returning a copy of
> > the argument is sufficient. That way, someone finding that the function
> > finally needs to be implemented will understand the history.
> 
> I think on Posix platforms, the way to convert argv[0] to an absolute
> file name is to search PATH.

Not really; argv[0] can be set to anything.  It's just convention that
it gets set to the name of the program being executed.