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Date: Mon, 18 Aug 1997 18:29:32 -0400 (EDT)
From: Brian Mitchell <brian@firehouse.net>
To: Nate Williams <nate@mt.sri.com>
cc: "Jordan K. Hubbard" <jkh@FreeBSD.ORG>, hackers@FreeBSD.ORG
Subject: Re: [Fwd: Re: Please Help Me Understand dlopen()]
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On Mon, 18 Aug 1997, Nate Williams wrote:

> > Hmmm - any comments, ld hackers?
> > 
> > The freeBSD dlsym() is - as far as I know - the only dlsym()
> > implementation that doesn't search for _funktion() ...
> 
> Here's a quick and dirty patch that implements it.  I tested it locally
> w/out any problems, but it has lots of possible problems.

openbsd's is another that does not look for underscores. freebsd's has a
few other minor holes too. If you dlsym() a nonexistant symbol, freebsd
(in 2.2.1 atleast) returns a NULL pointer but does not (as it should) set
the dlerror() errorcode. 

> 
> 1) If fails to prepend another underscore if the symbol already is
>    underscored.
> 2) I haven't tested it enough on the entire system.
> 3) It might not be the correct solution.
> 
> > I also complained about dlopen() not searching LD_LIBRARY_PATH.
> 
> I didn't even attempt to look at this.
> 
> 
> Nate
>