reworked login.c

[Rob Landley]

On Tuesday 20 January 2009 12:19:55 walter harms wrote:
> Denys Vlasenko schrieb:
> > -       short_tty = full_tty;
> > -       username[0] = '\0';
> > +       USE_SELINUX(security_context_t user_sid = NULL;
> > +               )
> > +               USE_FEATURE_UTMP(struct utmp utent;
> > +
> > +               )
>
> yep, i did not notice.
> since the USE_SELINUX macro has no ";" indent fails to see the eol and gets
> confused. if it works it is nice since it removes the whole #ifdef forest

I note that ";" by itself is a valid NOP statement, so technically:

USE_SELINUX(security_context_t user_sid = NULL);

Should compile just fine, as long as you haven't got if() levels and such to 
worry about.  (It's very slightly wrong, but less ugly.)