use diagnostics;
use strict;

package log;

my $logOpen = 0;
my $logDebugMessages = 0;

1;

sub fd() { fileno LOG }

sub l { 
    $logOpen or openLog();
    print LOG "* ", @_, "\n"; 
    print LOG2 "* ", @_, "\n"; 
}
sub ld { $logDebugMessages and &l }
sub w { &l }

sub openLog(;$) {
    if ($_[0]) { # useLocal
	open LOG, "> $_[0]" or die "no log possible :(";
    } else {
	open LOG, "> /dev/tty3" or open LOG, ">> /tmp/install.log" or die "no log possible :(";
    } 
    open LOG2, ">> /tmp/ddebug.log" or die "no log possible :(";
    select((select(LOG), $| = 1)[0]);
    select((select(LOG2), $| = 1)[0]);
    exists $ENV{DEBUG} and $logDebugMessages = 1;
    $logOpen = 1;
}

sub closeLog() { close LOG; close LOG2; }