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Message-ID: <20130324032458.GQ19010@port70.net>
Date: Sun, 24 Mar 2013 04:24:59 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: program_invocation_name
* Rich Felker <dalias@...ifal.cx> [2013-03-23 23:01:18 -0400]:
> > > for (s=t=argv[0]; *t; t++) if (*t=='/') s=t+1;
> >
> > yes that makes sense assuming argv[0]!=0
>
> I don't think argv[0]==0 is permitted, but if it is possible, we could
> add a check.
execl("./foo", (char*)0, (char*)0);
works here (argc==0 and argv[0]==0 in the executed process)
> > > P.S. If we do add these, we could certainly add the BSD names too as
> > > aliases.
> >
> > bsd only has the short version (__progname)
>
> Doesn't it also have __progname_full or something?
no, that's a gnu invention, added at the same time
as the program_invocation_name things
but yes we should probably support both if we support any
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