#
# The following procedures are creted to replace the
# procedures defined in expect incase expect is not used as the
# test framework
#

proc send_user args {
    set newline 1
    set logfile 0
    set i 0
    if { [string index [lindex $args 0] 0] == "-" } {
	for { set i 0 } { $i < [llength $args] } { incr i } {
	    if { [lindex $args $i] == "--" } {
		incr i
		break
	    } elseif { [lindex $args $i] == "-n" } {
		set newline 0
	    } elseif { [lindex $args $i] == "-log" } {
		set logfile 1
	    } elseif { [string index [lindex $args $i] 0] == "-" } {
		::BlueGnu::clone_output "ERROR: verbose:\
			illegal argument: [lindex $args $i]"
		return
	    } else {
		break
	    }
	}
	if { [llength $args] == $i } {
	    ::BlueGnu::clone_output "ERROR: send_user: nothing to print"
	    return
	}
    }
    puts -nonewline [lindex $args $i]
}

proc send_error msg {
    puts -nonewline stderr $msg
}

proc send_log msg {
    global log_file

    if {[info exists log_file]} {
	puts -nonewline $log_file $msg
    } else {
	send_user "####### No log file has been defined\n"
	puts -nonewline stderr $msg
    }
}

proc log_file {args} {
    global log_file
    if {[info exists log_file]} {
	catch {close $log_file}
	unset log_file
    }
    set eAppend w
    foreach arg $args {
	switch -- $arg {
	    -a {
		set eAppend a
	    }
	    default {
		set log_file $arg
	    }
	}
    }
    if {[info exist log_file]} {
	set log_file [open $log_file $eAppend]
    } else {
	set log_file stderr
    }
}