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Date: Mon, 5 May 2003 18:02:42 -0400 (EDT)
From: Daniel Eischen <eischen@pcnet1.pcnet.com>
To: "Andrey A. Chernov" <ache@nagual.pp.ru>
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cc: freebsd-arch@freebsd.org
cc: Dag-Erling Smorgrav <des@ofug.org>
Subject: Re: `Hiding' libc symbols
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On Tue, 6 May 2003, Andrey A. Chernov wrote:

> On Mon, May 05, 2003 at 22:25:54 +0200, Dag-Erling Smorgrav wrote:
> > "Jacques A. Vidrine" <nectar@FreeBSD.org> writes:
> > > So, I advocate hiding all symbols in libc by default.  The Real World
> > > doesn't seem to care whether the symbols are defined by any standard or
> > > not.
> > 
> > I'm with you, but I would also like to point out that there is a small
> > number of ports which will require changes: ports like electricfence,
> > boehm-gc and others that rely at least in part on replacing libc's
> > malloc(), calloc(), realloc() and free().
> 
> Unless my point was not clear from my previous posts, I advocate exact
> opposite: to unhide all standard symbols from libc, including here
> standard prefixes like str*. We must not encourage programmer error 
> when he define standard function, it easily leads to unexpected results. 
> Better reject such error automatically at the linkage stage. Programmers 
> are always free to redefine their functions in case of conflict.

Can't you still do what you want even with the standard symbols
hidden?

-- 
Dan Eischen