Another idea about getting rid of having to read the /proc/self/ namespace.

[Mike McCormack]

Hi Hilko,

> here's another try for building internal representations of a
> directory without having to use the /proc fs. I am not sure if saving
> the current working directory is needed at all, but I left it in to be
> sure.

How about using openat()?  The manual page claims that it's been 
available since 2.6.16.

http://linux.die.net/man/2/openat

> Handling the "." and ".." special cases seemed to make more sense
> within the add_entry() method, so I moved them there.

The old special case was just 4 lines ...

thanks,

Mike