Default path to identity file

[Ben Lindstrom]

On Wed, 25 Aug 2004, Robert Dahlem wrote:

[..]
>
> Identity files are always expanded by tilde_expand_filename() which gets
> the name of the home directory from getpwuid(my_uid)->pw_dir.
>
> This is not what I expect (well, hope :-) when my UID is 0 but I'm not
> root.
>

It's in bad form to have more than one UID 0 account.  Heck any duplicate
UID in general.  A lot of software can't correctly identify which users
and thus it will assume the first one found in a linear search of the
password file.

- Ben