tell() changes the state of the file object which causes it

[H.J. Lu]

> 
> hjl@lucon.org (H.J. Lu) writes:
> 
> > Again, this patch is for glibc 2.0.7. If it is ok, I can port it to
> > glibc 2.1.
> 
> I think not even _offset should be updated.  I've this patch now in
> 2.0 and 2.1.  Thanks,
> 

The patch is incomplete for glibc 2.1. You should fix oldfileops.c
also.

-- 
H.J. Lu (hjl@gnu.org)