Re: put slist in ltdl namespace

[Bob Friesenhahn]

On Sat, 18 Dec 2004, Ralf Wildenhues wrote:
> > The problem also exists for closedir, opendir, readdir, rewinddir, and
> > seekdir.  These are not prefixed at all so that under MinGW they will
> > interfere with the MSYS POSIX porting library (when it is used), or
> > with other programs which include their own portability wrapper
> > functions.
>
> I don't see how you come to this conclusion.
>
> branch-1-5 has all replacement functions as statics, so it's ok.
>
> branch-2-0 and HEAD have replacements for
>  opendir readdir closedir
> but not rewinddir and seekdir.  But both have this:

I was thrown off by nm output.

Under MinGW on my system, 'nm -g' on libltdl-6.dll includes this 
output:

10004e50 T _opendir
100042c0 T _preopen_LTX_get_vtable
10005070 T _readdir
100051f0 T _rewinddir
10005290 T _seekdir

Checking libtool's config.h I see that configure discovered these 
functions under MinGW so the libtool versions are not being used. 
MinGW must have been updated to supply them somehow.  This was not the 
case when the functions were originally added to libltdl.

This means that today's code fixes for potential stack overwrite are 
even less important.

Bob
======================================
Bob Friesenhahn
address@hidden
http://www.simplesystems.org/users/bfriesen