D.13. /etc/rc.d/init.d/console

#!/bin/sh
########################################################################
# Begin $rc_base/init.d/console
#
# Description : Sets keymap and screen font
#
# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
#        Alexander E. Patrakov
#
# Version     : 00.03
#
# Notes       :
#
########################################################################

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

# Native English speakers probably don't have /etc/sysconfig/console at all
if [ -f /etc/sysconfig/console ]
then
    . /etc/sysconfig/console
else
        exit 0
fi

is_true() {
    [ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ]
}

failed=0

case "${1}" in
    start)
        boot_mesg "Setting up Linux console..."
        # There should be no bogus failures below this line!
        
        # Figure out if a framebuffer console is used
        [ -d /sys/class/graphics/fb0 ] && USE_FB=1 || USE_FB=0
        
        # Figure out the command to set the console into the
        # desired mode
        is_true "${UNICODE}" &&
            MODE_COMMAND="${ECHO} -en '\033%G' && kbd_mode -u" ||
            MODE_COMMAND="${ECHO} -en '\033%@\033(K' && kbd_mode -a"
        
        # On framebuffer consoles, font has to be set for each vt in
        # UTF-8 mode. This doesn't hurt in non-UTF-8 mode also.
        
        ! is_true "${USE_FB}" || [ -z "${FONT}" ] ||
            MODE_COMMAND="${MODE_COMMAND} && setfont ${FONT}"

        # Apply that command to all consoles mentioned in
        # /etc/inittab. 重要: in the UTF-8 mode this should
        # happen before setfont, otherwise a kernel bug will
        # show up and the unicode map of the font will not be
        # used.
        # FIXME: Fedora Core also initializes two spare consoles
        # - do we want that?
        
        for TTY in `grep '^[^#].*respawn:/sbin/agetty' /etc/inittab |
            grep -o '\btty[[:digit:]]*\b'`
        do
            openvt -f -w -c ${TTY#tty} -- \
                /bin/sh -c "${MODE_COMMAND}" || failed=1
        done

        # Set the font (if not already set above) and the keymap
        is_true "${USE_FB}" || [ -z "${FONT}" ] ||
            setfont $FONT ||
            failed=1
        [ -z "${KEYMAP}" ] ||
            loadkeys ${KEYMAP} >/dev/null 2>&1 ||
            failed=1
        [ -z "${KEYMAP_CORRECTIONS}" ] ||
            loadkeys ${KEYMAP_CORRECTIONS} >/dev/null 2>&1 ||
            failed=1

        # Convert the keymap from $LEGACY_CHARSET to UTF-8
        [ -z "$LEGACY_CHARSET" ] ||
            dumpkeys -c "$LEGACY_CHARSET" |
            loadkeys -u >/dev/null 2>&1 ||
            failed=1

        # If any of the commands above failed, the trap at the
        # top would set $failed to 1
        ( exit $failed )
        evaluate_retval
        ;;
    *)
        echo $"Usage:" "${0} {start}"
        exit 1
        ;;
esac

# End $rc_base/init.d/console