setclock: accept also empty logfile timestamp

[ipfire-2.x.git] / src / initscripts / init.d / setclock

#!/bin/sh
########################################################################
# Begin $rc_base/init.d/setclock
#
# Description : Setting Linux Clock
#
# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
#
# Version     : 00.00
#
# Notes       :
#
########################################################################

. /etc/sysconfig/rc
. ${rc_functions}

CLOCKPARAMS=

case ${1} in
	start)

		boot_mesg "Setting system clock..."

		# udev not create the rtc symlink if rtc is in the kernel
		if [ ! -e /dev/rtc ]; then
			if [ -e /dev/rtc0 ]; then
				ln -s rtc0 /dev/rtc
			fi
		fi

		hwclock --hctosys ${CLOCKPARAMS} &>/dev/null
		date

		if [ -e /var/log/messages ]; then
			LOGTIMESTAMP=`stat --format "%y" /var/log/messages`
			LOGTIME=`date +%s -d "$LOGTIMESTAMP"`
			SYSTIME=`date +%s`
			if [ $SYSTIME -lt $LOGTIME ]; then
				boot_mesg "Warning! clock runs later than last log access. Check battery/rtc!"
				date -s "$LOGTIMESTAMP"
				echo_warning;
			else
				echo_ok;
			fi
		fi
		;;

	stop)
		boot_mesg "Setting hardware clock..."
		hwclock --systohc ${CLOCKPARAMS} &>/dev/null
		evaluate_retval
		;;

	*)
		echo "Usage: ${0} {start} {stop}"
		;;

esac