From owner-freebsd-audit  Tue Mar 26  0:25:21 2002
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: audit@FreeBSD.ORG
Subject: Re: src/lib __progname cleanup ; review please 
References: <xzpsn6oa7pp.fsf@flood.ping.uio.no> 
In-Reply-To: <xzpsn6oa7pp.fsf@flood.ping.uio.no> ; from Dag-Erling Smorgrav <des@ofug.org>  "25 Mar 2002 18:16:34 +0100."
Date: Tue, 26 Mar 2002 08:24:53 +0000
From: Mark Murray <mark@grondar.za>
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> The name "getprogname" is in the application namespace.  If an
> application that calls err(3) (directly or indirectly) defines a
> non-static function or variable called getprogname, then err(3) will
> use that instead of the "real" getprogname(), possibly with very
> unpleasant consequences.  You should therefore rename getprogname() to
> _getprogname(), which is in the implementation namespace, use only
> _getprogname() internally in libc, and add getprogname() as a weak
> alias for _getprogname() like this:
> 
> __weak_alias(getprogname, _getprogname)

This does not work (getprogname is not in the library, whereas
_getprogname is).

If I grep -r for __weak_alias, I only find what looks like deprecated uses
in libraries. It is not documented or declared anywhere else.

M 
-- 
o       Mark Murray
\_
O.\_    Warning: this .sig is umop ap!sdn

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