#! /bin/sh -
# $Id$

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#
# Customisation:
#   The devices fall into various classes.  This section contains the mapping
# from a class name into a group name and permission.
#   You will almost certainly need to edit the group name to match your
# system, and you may change the permissions to suit your preference.  These
# lines _must_ be of the format "user group perm".

 public="  root root   0666"
private="  root root   0600"
 system="  root root   0660"
   kmem="  root kmem   0640"
    tty="  root tty    0666"
   cons="  root tty    0600"
dialout="  root dialout 0660"
    dip="  root dip    0660"
  mouse="  root root   0660"
printer="  root lp     0660"
 floppy="  root floppy 0660"
   disk="  root disk   0660"
   scsi="  root root   0600"
  cdrom="  root cdrom  0660"
   tape="  root tape   0660"
  audio="  root audio  0660"
  video="  root video  0660"
  ibcs2="  root root   0666"
scanner="  root root   0666"
   coda="  root root   0600"
  ipsec="  root root   0200"
readable="  root root   0444"
    lirc="  root video   0640"

#MAXVT=63
MAXVT=12

# defaults for $major_*
major_ide0=3
major_ide1=22
major_sd=8
major_lp=6

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#

# don't stomp on devfs users
if  [ -c .devfsd ]
then
    echo ".devfsd presence implies active DevFS.  Aborting MAKEDEV invocation."
    # use exit 0, not 1, so postinst scripts don't fail on this
    exit 0
fi

# don't stomp on non-Linux users
if [ "$(uname -s)" != "Linux" ]; then
    echo "Results undefined on non-Linux systems, aborting MAKEDEV invocation."
    # use exit 0, not 1, so postinst scripts don't fail on this
    exit 0
elif ! uname -m | grep -q -E "i[3-6]86|amd64|x86_64"; then
    echo "No support on non-x86 architecture, aborting MAKEDEV invocation."
    exit 0
fi

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#

procfs=/proc

opt_v=
opt_l=
opt_s=
opt_d=
opt_n=

if [ -z "$1" -o "$1" = "-h" -o "$1" = "--help" ]; then
echo "Read the man page!
man MAKEDEV"
exit 0
fi

if echo "$@" | grep -q "\-D" ; then
if [ "$1"  = "-D" ]; then
if [ -n "$2" ]; then 
if [ ! -d "$2" ]; then
   echo "No such directory \`$2'!"
   exit 1
else  
   cd "$2" || exit
   shift 2
fi
else
   shift
fi
else
   echo "The '-D' option should be first, followed by the directory etc."
   exit 1
fi
fi

while [ $# -ge 1 ]
do
	case $1 in
		--)	shift; break ;;
		-v)	shift; opt_v=1 ;;
		-l)	shift; opt_l=1 ;;
		-s)	shift; opt_s=1 ;;
		-d)	shift; opt_d=1 ;;
		-n)	shift; opt_n=1; opt_v=1 ;;
		-V)	shift; opt_V=1 ;;
		-*)	echo "$0: unknown flag \"$1\"" >&2; exit 1 ;;
  		 *)	break ;;
	esac
done

if [ "$opt_V" ]
then
	echo "This is Debian MAKEDEV v2.3.1-88."
	exit 0
fi

if [ "$opt_l" ]; then
   cat $0 | grep ")$" | \
   grep -E -v "#|\*\)|]86\)|amd64\)|kern_rev1|/proc/misc|/proc/devices|Character|base|minor" | sort -u | (less || more)
   exit 0
fi

if [ "$opt_s" ]; then
   echo "Trying to make device \`$1'. Please wait..."
   $0 -n generic | grep " $1 " >/tmp/dev123 2>/tmp/null
if [ -s /tmp/dev123 ]; then
   sh /tmp/dev123 && echo "Made device \`$1'."
   rm -f /tmp/dev123
   exit 0
else
   echo "I can't make device \`$1'."
   rm -f /tmp/dev123
   exit 1
fi
fi

opts="${opt_n:+-n} ${opt_v:+-v} ${opt_d:+-d}"

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#

devicename () {	# translate device names to something safe
	# A-Z is not full alphabet in all locales (e.g. in et_EE)
	echo "$*" | LC_ALL=C sed -e 's/[^A-Za-z0-9_]/_/g' 
}

makedev () {	# usage: makedev name [bcu] major minor owner group mode
	if [ "$opt_v" ]; then
		if [ "$opt_d" ]; then
	 	   echo "rm -f $1"
	else	
		   echo "mknod -m $7 $1 $2 $3 $4 ; chown $5:$6 $1" 
		fi
	fi
	# missing parameters are a bug - bail - should we do an exit 1 here?
	case :$1:$2:$3:$4:$5:$6:$7: in
		*::*) echo "Warning: $0 $@ is missing parameter(s)." >&2;;
	esac
	if [ ! "$opt_n" ]
	then	
		if [ "$opt_d" ]
		then
			rm -f $1
		else
			rm -f $1-
			if mknod $1- $2 $3 $4 &&
 			chown $5:$6 $1- &&
 			chmod $7 $1- &&
 			mv $1- $1
			then
				:	# it worked
			else
					# Didn't work, clean up any mess...
				echo "$0 $@: failed"
				rm -f $1-
			fi
		fi
	fi
}

makefifo () { # usage: makefifo name owner group mode
	if [ "$opt_v" ]
	then	if [ "$opt_d" ]
		then	echo "rm -f $1"
		else	echo "mknod -m $4 $1 p ; chown $2:$3 $1" 
		fi
	fi
	# missing parameters are a bug - bail - should we do an exit 1 here?
	case :$1:$2:$3:$4: in
		*::*) echo "Warning: MAKEFIFO $@ is missing parameter(s)." >&2;;
	esac
	if [ ! "$opt_n" ]
	then	
		if [ "$opt_d" ]
		then
			rm -f $1
		else
			rm -f $1-
			if mknod $1- p &&
			   chown $2:$3 $1- &&
			   chmod $4 $1- &&
			   mv $1- $1
			then
				:	# it worked
			else
					# Didn't work, clean up any mess...
				echo "makefifo $@: failed"
				rm -f $1-
			fi
		fi
	fi
}

symlink () {	# usage: symlink name target
	if [ "$opt_v" ]
	then	if [ "$opt_d" ]
		then	echo "rm -f $1"
		else	echo "ln -s $2 $1"
		fi
	fi
	[ ! "$opt_n" ] && rm -f $1 &&
	[ ! "$opt_d" ] && ln -s $2 $1
}

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#

# Debian allows us to assume /bin/sh is a POSIX compliant shell, so go for it!

math () {
	eval echo "\$(($*))"
}
index () {	# index string c
	eval "I=\${1%$2*}"
	eval echo "\${#I}"
}
suffix () {
	eval echo "\${1#$2}"
}
strip () {
	eval echo "\${1% $2 *} \${1#* $2 }"
}
first () {
	echo "${1%%?}"
}
second () {
	echo "${1##?}"
}
substr () {
	echo $1 | dd bs=1 count=1 skip=$(( $2 - 1 )) 2> /tmp/null
}

#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#---#

Major () {
	device=$2
	devname=`devicename $1`
 	if [ "$opt_d" ]
 	then
 		echo -1	# don't care
 	else
		eval echo \${major_$devname:-\${device:?\"unknown major number for $1\"}}
	fi
}

for arg in $*
do
	# this is to make the case patterns work as expected in all locales
	LC_ALL=C
	case $arg in
	generic-i386|generic)
         	if [ ! "$opt_v" -a ! "$opt_n" -a ! "$opt_s" ]; then
                   echo "Working. Please wait..."
		fi
		$0 $opts std fd fd0 fd1 hda hdb hdc hdd hde hdf hdg hdh \
		sda sdb sdc sdd sde sdf sdg sdh scd st0 st1 sg console \
		ttyS0 ttyS1 ttyS2 ttyS3 ttyS4 busmice input device-mapper \
		lp par audio fb sonycd mcd mcdx cdu535 optcd sjcd cm206cd \
		gscd lmscd sbpcd aztcd bpcd dac960 dpti ida ataraid cciss \
		i2o.hda i2o.hdb i2o.hdc i2o.hdd pcd md ptmx cpu fuse agpgart \
		pg raw1394 usb cloop nvram # pty xda xdb eda edb isdn-io
		rm -f /tmp/skip.i2o
		;;
	generic-small|small)
		$0 $opts std fd fd0 fd1 hda hdb hdc hdd hde hdf hdg hdh sda sdb \
		sdc sdd sde sdf sdg sdh scd ptmx console ttyS0 \
		ttyS1 ttyS2 ttyS3 ttyS4 busmice input lp par audio fb pcd
		;;
	std)
		makedev mem c 1 1 $kmem
		makedev kmem c 1 2 $kmem
		makedev null c 1 3 $public
		makedev port c 1 4 $kmem
		makedev zero c 1 5 $public
		symlink core $procfs/kcore
		makedev full c 1 7 $public
		makedev random c 1 8 $public
		makedev urandom c 1 9 $public
		makedev tty c 5 0 $tty
		$0 $opts ram loop
	        if [ ! "$opt_n" -a ! "$opt_d" ]; then
	           mkdir -p -m 755 pts
	           mkdir -p -m 755 shm
	        elif [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 pts"
                   echo "mkdir -p -m 755 shm"
	        elif [ "$opt_d" ]; then
		   rmdir pts shm 2>/tmp/null
		fi
		;;
	hamradio)
		$0 $opts scc bc
		;;
	scc)
		for unit in 0 1 2 3 4 5 6 7 
		do
			makedev scc$unit c 34 $unit $system
		done
		;;
	mtd)	
		for unit in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			makedev mtd$unit c 90 `math $unit \* 2` $system
		done
		;;
	bc)	
		for unit in 0 1 2 3
		do
			makedev bc$unit c 51 $unit $system
		done
		;;
	device-mapper|mapper)
	        if [ ! "$opt_n" -a ! -d mapper ]; then
		   mkdir -p mapper
		   chown root:root mapper
		   chmod 755 mapper
                fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 mapper"
		fi
                # Get major and minor
                MAJOR=$(sed -n 's/^ *\([0-9]\+\) \+misc$/\1/p' /proc/devices)
                MINOR=$(sed -n "s/^ *\([0-9]\+\) \+device-mapper\$/\1/p" /proc/misc)
                makedev mapper/control c $MAJOR $MINOR $system
		if [ "$opt_d" ]; then
                   rmdir mapper 2>/tmp/null
		fi
	        ;;
	cloop)
		for i in 0 1 2 3 4 5 6 7
		do
			makedev cloop$i b 240 $i $disk
		done
			symlink cloop cloop0
	        ;;
	fuse)
		makedev fuse c 10 229 $system

		;;
	random)
		makedev random c 1 8 $public
		;;
	urandom)
		makedev urandom c 1 9 $readable
		;;
	ram)
		for i in 0 1 2 3 4 5 6 7 # 8 9 10 11 12 13 14 15 16
		do
			makedev ram$i b 1 $i $disk
		done
		symlink ram ram1
		;;
	ram[0-9]|ram1[0-6])
		unit=`suffix $arg ram`
		makedev ram$unit b 1 $unit $disk
		;;
	initrd)
		makedev initrd b 1 250 $disk
		;;
	raw)
		makedev rawctl c 162 0 $disk
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d raw ]; then
		   mkdir -p raw
		   chown root:root raw
		   chmod 755 raw
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 raw"
		fi
		for i in 1 2 3 4 5 6 7 8; do
			makedev raw/raw$i c 162 $i $disk
		done
	        if [ "$opt_d" ]; then
		   rmdir raw 2>/tmp/null
		fi
		;;
	consoleonly)
		makedev tty0 c 4 0 $cons
		makedev console c 5 1 $cons
		;;
	console)
		$0 $opts consoleonly
		major=`Major vcs 7`       # not fatal
		[ "$major" ] && makedev vcs0 c $major 0 $cons
		symlink vcs vcs0
		[ "$major" ] && makedev vcsa0 c $major 128 $cons
		symlink vcsa vcsa0
		# individual vts
		line=1
		while [ $line -le $MAXVT ] && [ $line -le 63 ]
		do
			makedev tty$line c 4 $line $cons
			[ "$major" ] && makedev vcs$line c $major $line $cons
			[ "$major" ] && makedev vcsa$line c $major `math $line + 128` $cons
			line=`math $line + 1`
		done
		;;
	raw1394)
		makedev raw1394 c 171 0 $disk
		;;
	video1394)
		rm -f video1394
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d video1394 ]; then
		   mkdir -p video1394
		   chown root:root video1394
		   chmod 755 video1394
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 video1394"
		fi
		for i in `seq 0 15`
		do
			makedev video1394/$i c 171 `math 16 + $i` $video
		done
	        if [ "$opt_d" ]; then
		   rmdir video1394 2>/tmp/null
		fi
		;;
	alsa)
		echo "You requested 'alsa' devices. Please run 'snddevices'!"
		;;
	nvram)
		makedev nvram c 10 144 $mouse
		;;
	tty[1-9]|tty[1-5][0-9]|tty[6][0-3])
		line=`suffix $arg tty`
		makedev tty$line c 4 $line $cons
		;;
	ttyS[0-9]|ttyS[1-5][0-9]|ttyS[6][0-3])
		line=`suffix $arg ttyS`
		minor=`math 64 + $line`
		makedev ttyS$line c 4 $minor $dialout
		;;
	ttySC[0-3])
		line=`suffix $arg ttySC`
		minor=`math 8 + $line`
		makedev ttySC$line c 204 $minor $dialout
 		;;
	ttyB[0-7])
		minor=`suffix $arg ttyB`
		makedev ttyB$minor c 11 $minor $dialout
		;;
	pty[a-ep-z])
		bank=`suffix $arg pty`
		base=`index pqrstuvwxyzabcde $bank`
		base=`math $base \* 16`
		for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f
		do
			j=`index 0123456789abcdef $i`
			makedev pty$bank$i c 2 `math $base + $j` $tty
			makedev tty$bank$i c 3 `math $base + $j` $tty
		done
		;;
	pty)
		ptysufs=""
		for i in p q r s t u v w x y z a b c d e
		do
			ptysufs="$ptysufs pty$i"
		done
		$0 $opts $ptysufs ptmx
		;;
	ptmx)
		# master pty multiplexer for 2.1 kernels
		makedev ptmx c 5 2 $tty
		;;
	cyclades|ttyC)
		major1=`Major ttyC 19` || continue
		#major2=`Major cub 20` || continue
		for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 \
			  16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 
		do
			makedev ttyC$i c $major1 $i $dialout
			#makedev cub$i c $major2 $i $dialout
		done
		;;
	stallion|ttyE)
		major1=`Major ttyE 24` || continue
		#major2=`Major cue 25` || continue
		majorc=28
		minor=0
		until [ $minor -gt 256 ]
		do
			makedev ttyE$minor c $major1 $minor $dialout
			#makedev cue$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		for i in 0 1 2 3
		do
			makedev staliomem$i c $majorc $i $private
		done
		;;
	chase|ttyH)
		major1=`Major ttyH 17` || continue
		#major2=`Major cuh 18` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyH$minor c $major1 $minor $dialout
			#makedev cuh$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	rocketport|ttyR)
		major1=`Major ttyR 46` || continue
		#major2=`Major cur 47` || continue
		minor=0
		until [ $minor -gt 64 ] # tell me if 64 is wrong
		do
			makedev ttyR$minor c $major1 $minor $dialout
			#makedev cur$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	ttyV)
		major1=`Major ttyV 105` || continue
		#major2=`Major cuv 106` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyV$minor c $major1 $minor $dialout
			#makedev cuv$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	digi|ttyD)
		major1=`Major ttyD 22` || continue
		#major2=`Major cud 23` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyD$minor c $major1 $minor $dialout
			#makedev cud$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	specialix|ttyX)
		major1=`Major ttyX 32` || continue
		#major2=`Major cux 33` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyX$minor c $major1 $minor $dialout
			#makedev cux$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	specialixIO8|ttyW)
		major1=`Major ttyW 75` || continue
		#major2=`Major cuw 76` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyW$minor c $major1 $minor $dialout
			#makedev cuw$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	PAM|ttyM)
		major1=`Major ttyM 79` || continue
		#major2=`Major cum 80` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyM$minor c $major1 $minor $dialout
			#makedev cum$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	riscom|ttyL)
		major=`Major ttyL 48` || continue
		minor=0
		until [ $minor -gt 16 ] # tell me if 16 is wrong
		do
			makedev ttyL$minor c $major $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	computone|ttyF)
		major=`Major ttyF 71` || continue
		#major2=`Major cuf 72` || continue
		minor=0
		until [ $minor -gt 255 ]
		do
			makedev ttyF$minor c $major $minor $dialout
			#makedev cuf$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		major=73
		for i in 0 4 8 12
		do
			makedev ip2ipl$i  c $major $i $private
			makedev ip2stat$i c $major `math $i + 1` $private
		done
		;;
	ESP|ttyP)
		major=`Major ttyP 57` || continue
		#major2=`Major cup 58` || continue
		minor=0
		until [ $minor -gt 4 ] # tell me if 4 is wrong
		do
			makedev ttyP$minor c $major $minor $dialout
			#makedev cup$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	COMX|comx)
		major=`Major comx 88` || continue
		minor=0
		until [ $minor -gt 4 ] # tell me if 4 is wrong
		do
			makedev comx$minor c $major $minor $private
			minor=`math $minor + 1`
		done
		;;
	isdnmodem|ttyI)
		major1=`Major ttyI 43` || continue
		#major2=`Major cui 44` || continue
		minor=0
		until [ $minor -gt 63 ]
		do
			makedev ttyI$minor c $major1 $minor $dialout
			#makedev cui$minor c $major2 $minor $dialout
			minor=`math $minor + 1`
		done
		;;
	isdnbri)
		major=45
		minor=0
		until [ $minor -gt 63 ]
		do
			makedev isdn$minor c $major $minor $dialout
			makedev isdnctrl$minor c $major `math $minor + 64` $dialout
			makedev ippp$minor c $major `math $minor + 128` $dialout
			minor=`math $minor + 1`
		done
		makedev isdninfo c $major 255 $private
		;;
	dcbri)
		major=52
		for i in 0 1 2 3
		do
			makedev dcbri$i c $major $i $dialout
		done
		;;
	capi)
		major=68
		makedev capi20 c $major 0 $dialout
		for i in 0 1 2 3 4 5 6 7 8 9
		do
			makedev capi20.0$i c $major `math $i + 1` $dialout
		done
		for i in 10 11 12 13 14 15 16 17 18 19
		do
			makedev capi20.$i c $major `math $i + 1` $dialout
		done
		;;
	ubd)
		major=98
		for devicenum in 0 1 2 3 4 5 6 7
		do
			device=ubd`substr abcdefgh $(($devicenum + 1))`
			baseminor=`math $devicenum \* 16`
			makedev $device b $major $baseminor $disk
			for partition in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
			do
				minor=`math $baseminor + $partition`
				makedev $device$partition b $major $minor $disk
			done
		done
		;;
	fb)
		for i in 0 1 2 3 4 5 6 7
		do
			makedev fb$i c 29 $i $video
		done
		;;
	fb[0-7])
		dev=`suffix $arg fb`
		makedev fb$dev c 29 $dev $video
		;;
	netlink|tap|tap[0-9]|tap1[0-5])
		makedev route     c 36 0 $coda
		makedev skip      c 36 1 $coda
		makedev fwmonitor c 36 3 $coda
		for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			makedev tap$i c 36 `math $i + 16` $coda
		done
		;;
	tun)
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d net ]; then
		   mkdir -p net
		   chown root:root net
		   chmod 755 net
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 net"
		fi
		makedev net/tun c 10 200 $system
	        if [ "$opt_d" ]; then
		   rmdir net 2>/tmp/null
		fi
		;;
	lp)
		major=`Major lp 6` || continue
		makedev ${arg}0 c $major 0 $printer
		makedev ${arg}1 c $major 1 $printer
		makedev ${arg}2 c $major 2 $printer
		;;
	par)
		major=`Major lp 6` || continue
		makedev ${arg}0 c $major 0 $printer
		makedev ${arg}1 c $major 1 $printer
		makedev ${arg}2 c $major 2 $printer
		;;
	parport)
		major=`Major parport 99` || continue
		makedev ${arg}0 c $major 0 $printer
		makedev ${arg}1 c $major 1 $printer
		makedev ${arg}2 c $major 2 $printer
		;;
	slm)
		major=`Major slm 28` || continue
		for i in 0 1 2 3
		do
			makedev slm c $major $i $printer
		done
		;;
	input)
		major=`Major pcsp 13` || continue
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d input ]; then
		   mkdir -p input
		   chown root:root input
		   chmod 755 input
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 input"
		fi
		for i in 0 1 2 3
		do
			makedev input/js$i c $major $i $mouse
			makedev input/mouse$i c $major `math $i + 32` $mouse
			makedev input/event$i c $major `math $i + 64` $mouse
		done
		makedev input/mice c $major 63 $mouse
		if [ "$opt_d" ]; then
                   rmdir input 2>/tmp/null
		fi
		;;
	busmice)
	        major=`Major mouse 10` || continue
		makedev logibm	  c $major 0 $mouse
		makedev psaux     c $major 1 $mouse
		makedev inportbm  c $major 2 $mouse
		makedev atibm     c $major 3 $mouse
		makedev jbm       c $major 4 $mouse
		;;
	3dfx)
		major=`Major $arg 107` || continue
		makedev $arg	c $major 0 $video
		;;
	agpgart)
		major=`Major $arg 10` || continue
		makedev $arg	c $major 175 $video
		;;
	hwrng)
		major=`Major $arg 10` || continue
		makedev $arg	c $major 183 $private
		;;
	mcelog)
		major=`Major $arg 10` || continue
		makedev $arg	c $major 227 $private
		;;
	cpu|microcode)
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d cpu ]; then
		   mkdir -p cpu
		   chown root:root cpu
		   chmod 755 cpu
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 cpu"
		fi
		makedev cpu/microcode c 10 184 $private
		for i in 0 1 2 3
		do
	      	        if [ ! "$opt_d" -a ! "$opt_n" ]; then
	     	           mkdir -p cpu/$i
			fi
	                if [ "$opt_v" -a ! "$opt_d" ]; then
                           echo "mkdir -p -m 755 cpu/$i"
		        fi
			makedev cpu/$i/msr   c 202 $i $private
			makedev cpu/$i/cpuid c 203 $i $private
		done
	        if [ "$opt_d" ]; then
		   rm -rf cpu
		fi
		;;
	ipmi|ipmikcs)
		major=`Major ipmikcs 10` || continue
		makedev ipmikcs	c $major 173 $private
		;;
	irda)
		for i in 0 1
		do
			makedev ircomm$i c 161 $i $dialout
			makedev irlpt$i  c 161 `math $i + 16` $printer
		done
		;;
	irnet)
		makedev irnet c 10 187 $system
		;;
	cbm)
		makedev cbm c 10 177 $floppy
		;;
	misc)
		major=`Major mouse 10` || continue
		makedev logibm	  c $major 0 $mouse
		makedev psaux     c $major 1 $mouse
		makedev inportbm  c $major 2 $mouse
		makedev atibm     c $major 3 $mouse
		makedev jbm       c $major 4 $mouse
		makedev amigamouse c $major 4 $mouse
		makedev atarimouse c $major 5 $mouse
		makedev sunmouse  c $major 6 $mouse
		makedev amigamouse1 c $major 7 $mouse
		makedev smouse    c $major 8 $mouse
		makedev pc110pad  c $major 9 $mouse
		makedev adbmouse  c $major 10 $mouse
		makedev beep      c $major 128 $mouse
		makedev modreq    c $major 129 $mouse
		makedev watchdog  c $major 130 $mouse
		makedev temperature c $major 131 $mouse
		makedev hwtrap    c $major 132 $mouse
		makedev exttrp    c $major 133 $mouse
		makedev apm_bios  c $major 134 $mouse
		makedev rtc       c $major 135 $mouse
		makedev openprom  c $major 139 root root 0664
		makedev relay8    c $major 140 $mouse
		makedev relay16   c $major 141 $mouse
		makedev msr       c $major 142 $mouse
		makedev pciconf   c $major 143 $mouse
		makedev nvram     c $major 144 $mouse
		makedev hfmodem   c $major 145 $mouse
		makedev led       c $major 151 $mouse
		makedev mergemem  c $major 153 $mouse
		makedev pmu       c $major 154 $mouse
		;;
	pmu)
		major=`Major mouse 10` || continue
		makedev pmu       c $major 154 $mouse
		;;
	thinkpad)
		major=`Major mouse 10` || continue
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d thinkpad ]; then
		   mkdir -p thinkpad
		   chown root:root thinkpad
		   chmod 755 thinkpad
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 thinkpad"
		fi
		makedev thinkpad/thinkpad c $major 170 $mouse
	        if [ "$opt_d" ]; then
		   rmdir thinkpad 2>/tmp/null
		fi
		;;
        rtc)
		major=`Major mouse 10` || continue
		makedev rtc       c $major 135 $mouse
		;;
	efirtc)
		major=`Major mouse 10` || continue
		makedev efirtc    c $major 136 $mouse
 		;;
	mwave)
		makedev mwave     c 10 219 $mouse
		;;
	systrace)
		makedev systrace  c 10 226 $private
		;;
	uinput)
		mkdir -p input
		makedev input/uinput  c 10 223 $mouse
		;;
	js)
		major=`Major Joystick 13` || continue
		for unit in 0 1 2 3
		do
			makedev js$unit c $major $unit $readable
			makedev djs$unit c $major `math $unit + 128` $readable
		done
		;;
	fd[0-7])
		major=`Major fd 2` || continue
		base=`suffix $arg fd`
		if [ $base -ge 4 ]
		then
			base=`math $base + 124`
		fi
		makedev ${arg} b $major $base $floppy
		#makedev ${arg}d360  b $major `math $base +  4` $floppy
		#makedev ${arg}h1200 b $major `math $base +  8` $floppy
		#makedev ${arg}u360  b $major `math $base + 12` $floppy
		#makedev ${arg}u720  b $major `math $base + 16` $floppy
		#makedev ${arg}h360  b $major `math $base + 20` $floppy
		#makedev ${arg}h720  b $major `math $base + 24` $floppy
		makedev ${arg}u1440 b $major `math $base + 28` $floppy
		#makedev ${arg}u2880 b $major `math $base + 32` $floppy
		#makedev ${arg}CompaQ b $major `math $base + 36` $floppy

		#makedev ${arg}h1440 b $major `math $base + 40` $floppy
		makedev ${arg}u1680 b $major `math $base + 44` $floppy
		#makedev ${arg}h410  b $major `math $base + 48` $floppy
		#makedev ${arg}u820  b $major `math $base + 52` $floppy
		#makedev ${arg}h1476 b $major `math $base + 56` $floppy
		makedev ${arg}u1722 b $major `math $base + 60` $floppy
		#makedev ${arg}h420  b $major `math $base + 64` $floppy
		#makedev ${arg}u830  b $major `math $base + 68` $floppy
		#makedev ${arg}h1494 b $major `math $base + 72` $floppy
		makedev ${arg}u1743 b $major `math $base + 76` $floppy
		#makedev ${arg}h880  b $major `math $base + 80` $floppy
		#makedev ${arg}u1040 b $major `math $base + 84` $floppy
		#makedev ${arg}u1120 b $major `math $base + 88` $floppy
		#makedev ${arg}h1600 b $major `math $base + 92` $floppy
		makedev ${arg}u1760 b $major `math $base + 96` $floppy
		makedev ${arg}u1920 b $major `math $base + 100` $floppy
		#makedev ${arg}u3200 b $major `math $base + 104` $floppy
		#makedev ${arg}u3520 b $major `math $base + 108` $floppy
		#makedev ${arg}u3840 b $major `math $base + 112` $floppy
		makedev ${arg}u1840 b $major `math $base + 116` $floppy
		#makedev ${arg}u800  b $major `math $base + 120` $floppy
		#makedev ${arg}u1600 b $major `math $base + 124` $floppy
		;;
	ed[a-b])
		major=`Major ed 36` || continue
		unit=`suffix $arg ed`
		base=`index ab $unit`
		base=`math $base \* 64`
		makedev ed$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 # 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev ed$unit$part b $major `math $base + $part` $disk
		done
		;;
	hd[a-b])
		major=`Major ide0` || major=`Major hd 3` || continue
		unit=`suffix $arg hd`
		base=`index ab $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major `math $base + $part` $disk
		done
		;;
	hd[c-d])
		major=`Major ide1 22` || continue
		unit=`suffix $arg hd`
		base=`index cd $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[e-f])
		major=`Major ide2 33` || continue
		unit=`suffix $arg hd`
		base=`index ef $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[g-h])
		major=`Major ide3 34` || continue
		unit=`suffix $arg hd`
		base=`index gh $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[i-j])
		major=`Major ide4 56` || continue
		unit=`suffix $arg hd`
		base=`index ij $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[k-l])
		major=`Major ide5 57` || continue
		unit=`suffix $arg hd`
		base=`index kl $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[m-n])
		major=`Major ide6 88` || continue
		unit=`suffix $arg hd`
		base=`index mn $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[o-p])
		major=`Major ide7 89` || continue
		unit=`suffix $arg hd`
		base=`index op $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[q-r])
		major=`Major ide8 90` || continue
		unit=`suffix $arg hd`
		base=`index qr $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	hd[s-t])
		major=`Major ide9 91` || continue
		unit=`suffix $arg hd`
		base=`index st $unit`
		base=`math $base \* 64`
		makedev hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev hd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	ub|uba)	
		major=180
		makedev uba b $major 0 $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			makedev uba$part b $major $part $disk
		done
		;;
	ht0)
		major=`Major ht0 37` || continue
		# Only one IDE tape drive is currently supported; ht0.
		makedev ht0 c $major 0 $tape
		makedev nht0 c $major 128 $tape
		;;
	pt)
		major=`Major pt 96` || continue
		for i in 0 1 2 3
		do
			makedev pt$i c $major $i $tape
			makedev npt$i c $major `math $i + 128` $tape
		done
		;;
	xd[a-d])
		major=`Major xd 13` || continue
		unit=`suffix $arg xd`
		base=`index abcd $unit`
		base=`math $base \* 64`
		makedev xd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 # 9 10 11 12 13 14 15 16 17 18 19 20
		do
			makedev xd$unit$part b $major $(( $base + $part )) $disk
		done
		;;
	sd[a-z])
		major=`Major sd 8` || continue
		unit=`suffix $arg sd`
		base=`index abcdefghijklmnopqrstuvwxyz $unit`
		base=$(( $base * 16 ))
		if [ $base -lt 256 ]; then
			major=8
		else
			major=65
			base=$(( $base - 256 ))
		fi
		makedev sd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			minor=$(( $base + $part ))
			makedev sd$unit$part b $major $minor $disk
		done
		;;
	sd[a-d][a-z])
		unit=`suffix $arg sd`
		unitmaj=`first $unit`
		unitmin=`second $unit`
		basemaj=`index Xabcd $unitmaj`
		basemin=`index abcdefghijklmnopqrstuvwxyz $unitmin`
		basemaj=`math $basemaj \* 416`
		basemin=`math $basemin \* 16`
		base=`math $basemaj + $basemin`
		basemaj=`math $base / 256`
		base=`math $base % 256`
		major=`math basemaj \+ 64`
		if [ $major -gt 71 ]; then
			echo "$0: don't know how to make device \"$arg\"" >&2
			exit 0
		fi
		makedev sd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			minor=$(( $base + $part ))
			makedev sd$unit$part b $major $minor $disk
		done
                ;;
	i2o.hd[a-z])
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.i2o ]; then
                   echo "mkdir -p -m 755 i2o"
		   echo skip >/tmp/skip.i2o
		fi
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d i2o ]; then
			mkdir -p i2o
			chown root:root i2o
			chmod 755 i2o
      			[ -e i2o/ctl ] || makedev i2o/ctl c 10 166 $disk
		fi
		unit=`suffix $arg i2o.hd`
		base=`index abcdefghijklmnopqrstuvwxyz $unit`
		base=$(( $base * 16 ))
		if [ $base -lt 256 ]; then
			major=80
		else
			major=81
			base=$(( $base - 256 ))
		fi
		makedev i2o/hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			minor=$(( $base + $part ))
			makedev i2o/hd$unit$part b $major $minor $disk
		done
                if [ -d i2o -a "$opt_d" ]; then
		if [ "`ls i2o/* | wc -l`" = "1" ]; then
		   rm -rf i2o
		fi
		fi
		;;
	i2o.hd[a-d][a-z])
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.i2o ]; then
                   echo "mkdir -p -m 755 i2o"
		   echo skip >/tmp/skip.i2o
		fi
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d i2o ]; then
			mkdir -p i2o
			chown root:root i2o
			chmod 755 i2o
      			[ -e i2o/ctl ] || makedev i2o/ctl c 10 166 $disk
                fi
		unit=`suffix $arg i2o.hd`
		unitmaj=`first $unit`
		unitmin=`second $unit`
		basemaj=`index Xabcd $unitmaj`
		basemin=`index abcdefghijklmnopqrstuvwxyz $unitmin`
		basemaj=`math $basemaj \* 416`
		basemin=`math $basemin \* 16`
		base=`math $basemaj + $basemin`
		basemaj=`math $base / 256`
		base=`math $base % 256`
		major=`math basemaj \+ 80`
		if [ $major -gt 87 ]; then
			echo "$0: don't know how to make device \"$arg\"" >&2
			exit 0
		fi
		makedev i2o/hd$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			minor=$(( $base + $part ))
			makedev i2o/hd$unit$part b $major $minor $disk
		done
                if [ -d i2o -a "$opt_d" ]; then
		if [ "`ls i2o/* | wc -l`" = "1" ]; then
		   rm -rf i2o
		fi
		fi
		;;
	dasd[a-z])
		major=`Major dasd 94` || continue
		unit=`suffix $arg dasd`
		base=`index abcdefghijklmnopqrstuvwxyz $unit`
		base=$(( $base * 4 ))
		if [ $base -lt 256 ]; then
			major=94
		else
			major=65
			base=$(( $base - 256 ))
		fi
		makedev dasd$unit b $major $base $disk
		for part in 1 2 3
		do
			minor=$(( $base + $part ))
			makedev dasd$unit$part b $major $minor $disk
		done
		;;
	ad[a-p])
		major=`Major ad 28` || continue
		unit=`suffix $arg ad`
		base=`index abcdefghijklmnop $unit`
		base=`math $base \* 16`
		makedev ad$unit b $major $base $disk
		for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			minor=$(( $base + $part ))
			makedev ad$unit$part b $major $minor $disk
		done
		;;
	dac960)
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 rd"
		   echo skip >/tmp/skip.dac960
		fi
		for ctr in 0 1 2 # 3 4 5 6 7
		do
			$0 $opts dac960.$ctr
		done
		makedev dac960_gam c 10 252 $disk
		rm -f /tmp/skip.dac960
		;;
	dac960.[0-7])
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d rd ]; then
			mkdir -p rd
			chown root:root rd
			chmod 755 rd
		fi
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.dac960 ]; then
                   echo "mkdir -p -m 755 rd"
		fi
		unit=`suffix $arg dac960.`
		    major=`math 48 + $unit`
		    minor=0
		    for ld in 0 1 2 3 4 5 6 7 # 8 9 10 11 12 13 14 15 16 \
			      # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
		    do
			makedev rd/c${unit}d${ld} b $major $minor $disk
			minor=`math $minor + 1`
			for part in 1 2 3 4 5 6 7
			do
			    makedev rd/c${unit}d${ld}p$part b $major $minor $disk
			    minor=`math $minor + 1`
			done
		    done
		if [ "$opt_d" ]; then
                   rmdir rd 2>/tmp/null
		fi
		;;
 	dpti)
		major=151
 		for ld in 1 2 3 4 5 6 7
 		do
		   minor=`math $ld -1`
 		   makedev dpti${ld} c $major $minor $disk
                 done
                 ;;
	ataraid)
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 ataraid"
		   echo skip >/tmp/skip.ataraid
		fi
		for ctr in 0 1 2 # 3 4 5 6 7
		do
			$0 $opts ataraid.$ctr
		done
		   rm -f /tmp/skip.ataraid
		;;
	ataraid.[0-7])
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d ataraid ]; then
			mkdir -p ataraid
			chown root:root ataraid
			chmod 755 ataraid
		fi
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.ataraid ]; then
                   echo "mkdir -p -m 755 ataraid"
		fi
                unit=`suffix $arg ataraid.`
                major=114
                minor=`math $unit \* 16`
                makedev ataraid/d${unit} b $major $minor $disk
                for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
                do
                   minor=`math $minor + 1`
                   makedev ataraid/d${unit}p$part b $major $minor $disk
                done
		if [ "$opt_d" ]; then
                   rmdir ataraid 2>/tmp/null
		fi
 		;;
	ida)
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 ida"
		   echo skip >/tmp/skip.ida
		fi
		for ctr in 0 1 2 # 3 4 5 6 7
		do
			$0 $opts ida.$ctr
		done
		   rm -f /tmp/skip.ida
		;;
	ida.[0-7])
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d ida ]; then
			mkdir -p ida
			chown root:root ida
			chmod 755 ida
		fi
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.ida ]; then
                   echo "mkdir -p -m 755 ida"
		fi
		unit=`suffix $arg ida.`
		major=`math 72 + $unit`
		minor=0
		for ld in 0 1 2 3 4 5 6 7 # 8 9 10 11 12 13 14 15
		do
		    makedev ida/c${unit}d${ld} b $major $minor $disk
		    minor=`math $minor + 1`
		    for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		    do
			makedev ida/c${unit}d${ld}p$part b $major $minor $disk
			minor=`math $minor + 1`
		    done
		done
		if [ "$opt_d" ]; then
                   rmdir ida 2>/tmp/null
		fi
		;;
	cciss)
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 cciss"
		   echo skip >/tmp/skip.cciss
		fi
		for ctr in 0 1 2 # 3 4 5 6 7
		do
			$0 $opts cciss.$ctr
		done
		   rm -f /tmp/skip.cciss
		;;
	cciss.[0-7])
		if [ ! "$opt_n" -a ! "$opt_d" -a ! -d cciss ]; then
			mkdir -p cciss
			chown root:root cciss
			chmod 755 cciss
		fi
	        if [ "$opt_v" -a ! "$opt_d" -a ! -f /tmp/skip.cciss ]; then
                   echo "mkdir -p -m 755 cciss"
		fi
		unit=`suffix $arg cciss.`
		major=`math 104 + $unit`
		minor=0
		for ld in 0 1 2 3 4 5 6 7 # 8 9 10 11 12 13 14 15
		do
		    makedev cciss/c${unit}d${ld} b $major $minor $disk
		    minor=`math $minor + 1`
		    for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		    do
			makedev cciss/c${unit}d${ld}p$part b $major $minor $disk
			minor=`math $minor + 1`
		    done
		done
		if [ "$opt_d" ]; then
                   rmdir cciss 2>/tmp/null
		fi
		;;
	rom)
		major=`Major rom 31`
		for i in 0 1 2 3 4 5 6 7
		do
			makedev rom$i    b $major $i $disk
			makedev rrom$i   b $major `math $i +8` $disk
			makedev flash$i  b $major `math $i +16` $disk
			makedev rflash$i b $major `math $i +24` $disk
		done
		;;
	nb[0-7])
		major=`Major nbd 43` || continue
		minor=`suffix $arg nb`
		makedev nb$minor b $major $minor $disk
		;;
	loop)
		for part in 0 1 2 3 4 5 6 7
		do
			makedev loop$part b 7 $part $disk
		done
		;;
	md)
		major=`Major md 9` || continue
		for part in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 \
			16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
		do
			makedev md$part b $major $part $disk
		done
		;;
	st[0-7])
		major=`Major st 9`
		unit=`suffix $arg st`
		makedev st${unit}   c $major $unit $tape
		makedev nst${unit}  c $major `math 128 + $unit` $tape

		makedev st${unit}l  c $major `math 32 + $unit` $tape
		makedev nst${unit}l c $major `math 160 + $unit` $tape

		makedev st${unit}m  c $major `math 64 + $unit` $tape
		makedev nst${unit}m c $major `math 192 + $unit` $tape

		makedev st${unit}a  c $major `math 96 + $unit` $tape
		makedev nst${unit}a c $major `math 224 + $unit` $tape
		;;
	qic)
		major=`Major tpqic02 12`
		makedev ntpqic11   c $major   2 $tape
		makedev tpqic11    c $major   3 $tape
		makedev ntpqic24   c $major   4 $tape
		makedev tpqic24    c $major   5 $tape
		makedev ntpqic120  c $major   6 $tape
		makedev tpqic120   c $major   7 $tape
		makedev ntpqic150  c $major   8 $tape
		makedev tpqic150   c $major   9 $tape
		makedev rmt8       c $major   6 $tape
		makedev rmt16      c $major   8 $tape
		makedev tape-d     c $major 136 $tape
		makedev tape-reset c $major 255 $tape
		$0 $opts qft
		;;
	ftape)
		major=`Major qft 27` || continue
		for unit in 0 1 2 3
		do
			makedev qft$unit     c $major $unit $tape
			makedev nqft$unit    c $major `math $unit + 4` $tape
			makedev zqft$unit    c $major `math $unit + 16` $tape
			makedev nzqft$unit   c $major `math $unit + 20` $tape
			makedev rawqft$unit  c $major `math $unit + 32` $tape
			makedev nrawqft$unit c $major `math $unit + 36` $tape
		done
		symlink ftape qft0
		symlink nftape nqft0
		;;
	sr|scd|scd-all)
		major=`Major sr 11` || continue
		for unit in 0 1 2 3 4 5 6 7 8 9 10 # 11 12 13 14 15 16
		do
			makedev scd$unit b $major $unit $cdrom
			symlink sr$unit scd$unit
		done
		;;
	cfs0)
		makedev cfs0 c 67 0 $coda
		;;
	scd[0-9]|scd[0-1][0-9])
		major=`Major sr 11` || continue
		unit=`suffix $arg scd`
		makedev scd$unit b $major $unit $cdrom
		symlink sr$unit scd$unit 
		;;
	ttyI[0-9]|ttyI[1-5][0-9]|ttyI[6][0-3])
		major=43
		unit=`suffix $arg ttyI`
		makedev ttyI$unit c $major $unit $dialout
		;;
	ppp)
		major=108
		makedev ppp c $major 0 $dip
		;;
	ippp[0-9]|ippp[1-5][0-9]|ippp[6][0-3])
		major=45
		unit=`suffix $arg ippp`
		minor=`math $unit + 128`
		makedev ippp$unit c $major $minor $dialout
		;;
	isdn[0-9]|isdn[1-5][0-9]|isdn[6][0-3])
		major=45
		unit=`suffix $arg isdn`
		minor=`math $unit + 0`
		makedev isdn$unit c $major $minor $dialout
		;;
	isdnctrl[0-9]|isdnctrl[1-5][0-9]|isdnctrl[6][0-3])
		major=45
		unit=`suffix $arg isdnctrl`
		minor=`math $unit + 64`
		makedev isdnctrl$unit c $major $minor $dialout
		;;
	isdninfo)
		makedev isdninfo c 45 255 $private
		;;
	isdn-tty)
		major=43
		for unit in 0 1 2 3 4 5 6 7
		do
			makedev ttyI$unit c $major $unit $dialout
		done
		;;
	isdn-ippp)
		major=45
		for unit in 0 1 2 3 4 5 6 7
		do
			makedev ippp$unit c $major `math $unit + 128` $dialout
		done
		;;
	isdn-io)
		for unit in 0 1 2 3 4 5 6 7
		do
			makedev isdn$unit c 45 $unit $dialout
			makedev isdnctrl$unit c 45 `math $unit + 64` $dialout
			makedev ippp$unit c 45 `math $unit + 128` $dialout
		done
		makedev isdninfo c 45 255 $dialout
		;;
	sonycd)
		major=`Major sonycd 15` || continue
		makedev $arg b $major 0 $cdrom
		;;
	mcd)
		major=`Major mcd 23` || continue
		makedev $arg b $major 0 $cdrom
		;;
	mcdx|mcdx[0-4])
		major=`Major $arg 20` || continue
		for unit in 0 1 2 3 4
		do
			makedev mcdx$unit b $major $unit $cdrom
		done
		test -r mcdx || symlink mcdx mcdx0
		;;
	cdu535)
		makedev $arg b 24 0 $cdrom
		;;
	lmscd)
		makedev $arg b 24 0 $cdrom
		;;
	sbpcd|sbpcd[123])
		major=`Major $arg 25` || continue
		base=`suffix ${arg}0 sbpcd`
		for minor in 0 1 2 3
		do
			# XXX
			unit=$(substr 0123456789abcdef $(( $base * 4 + $minor + 1 )) )
			makedev sbpcd$unit b $major $minor $cdrom
		done
		[ $arg = sbpcd ] && symlink $arg ${arg}0
		;;
	aztcd)
		major=`Major $arg 29` || continue
		makedev ${arg}0 b $major 0 $cdrom
		;;
	cm206cd)
		major=`Major $arg 30` || continue
		makedev ${arg}0 b $major 0 $cdrom
		;;
	gscd)
		major=`Major $arg 16` || continue
		makedev ${arg}0 b $major 0 $cdrom
		;;
	pcd)
		for unit in 0 1 2 3 
		do
			makedev pcd$unit b 46 $unit $cdrom
		done
		;;
	bpcd)
		makedev $arg b 41 0 $cdrom
		;;
	optcd)
		makedev $arg b 17 0 $cdrom
		;;
	sjcd)
		makedev $arg b 18 0 $cdrom
		;;
	cfs|coda)
		makedev cfs0 c 67 0 $private
		;;
	xfs|nnpfs|arla)
 		makedev xfs0 c 103 0 $private
		makedev nnpfs0 c 103 0 $private
		;;
	logiscan)
		major=`Major logiscan` || continue
		makedev $arg c $major 0 $scanner
		;;
	toshiba)
		major=`Major $arg 10` || continue
		makedev $arg c $major 181 root root 0666
		;;
	m105scan)
		major=`Major m105` || continue
		makedev $arg c $major 0 $scanner
		;;
	ac4096)
		major=`Major ac4096` || continue
		makedev $arg c $major 0 $scanner
		;;
	audio)
		major=`Major sound 14`
		makedev mixer      c $major  0 $audio
		makedev mixer1     c $major 16 $audio
		makedev mixer2     c $major 32 $audio
		makedev mixer3     c $major 48 $audio
		makedev sequencer  c $major  1 $audio
		makedev midi00     c $major  2 $audio
		makedev midi01     c $major 18 $audio
		makedev midi02     c $major 34 $audio
		makedev midi03     c $major 50 $audio
		makedev dsp        c $major  3 $audio
		makedev dsp1       c $major 19 $audio
		makedev dsp2       c $major 35 $audio
		makedev dsp3       c $major 51 $audio
		makedev audio      c $major  4 $audio
		makedev audio1     c $major 20 $audio
		makedev audio2     c $major 36 $audio
		makedev audio3     c $major 52 $audio
		makedev sndstat    c $major  6 $audio
		makedev audioctl   c $major  7 $audio
		major=31
		makedev mpu401data c $major 0  $audio
		makedev mpu401stat c $major 1  $audio
		major=35
		for i in 0 1 2 3
		do
			makedev midi$i  c $major $i $audio
			makedev rmidi$i c $major `math $i + 64` $audio
			makedev smpte$i c $major `math $i + 128` $audio
		done
		;;
	pcaudio)
		major=`Major pcsp 13` || continue
		makedev pcmixer c $major 0 $audio
		makedev pcsp    c $major 3 $audio
		makedev pcaudio c $major 4 $audio
		;;
	video|video4linux|v4l|radio)
		# video4linux api includes radio, teletext, etc.
		major=`Major video 81` || continue
		minor=0
		until [ $minor -gt 63 ]
		do
			makedev video$minor c $major $minor $video
			makedev radio$minor c $major `math $minor + 64` $video
			minor=`math $minor + 1`
		done
		symlink radio radio0
		minor=0
		until [ $minor -gt 31 ]
		do
			makedev vtx$minor c $major `math $minor + 192` $video
			makedev vbi$minor c $major `math $minor + 224` $video
			minor=`math $minor + 1`
		done
		symlink video video0
		symlink vbi vbi0
		major=82
		minor=0
		until [ $minor -gt 1 ]
		do
			makedev winradio$minor c $major $minor $video
			minor=`math $minor + 1`
		done
		major=83
		makedev vtx     c $major 0 $video
		makedev vttuner c $major 16 $video
		;;
	i2c)
		# making it possible to create an arbitrary number of i2c
		# devices might be good, but 8 should suffice for now
		major=`Major i2c 89` || continue
		minor=0
		until [ $minor -gt 7 ] 
		do
			makedev i2c-$minor c $major $minor $private
			minor=`math $minor + 1`
		done
		;;
	tlk)
		major=102
		minor=0
		until [ $minor -gt 3 ] # tell me if 3 is wrong...
		do
			makedev tlk$minor c $major $minor $video
			minor=`math $minor + 1`
		done
		;;
	srnd)
		makedev srnd0 c 110 0 $video
		makedev srnd1 c 110 1 $video
		;;
	fgrab)
		makedev mmetfgrab c 40 0 $video
		makedev wvisfgrab c 26 0 $video
		for i in 0 1 # more?
		do
			makedev iscc$i    c 93 $i $video
			makedev isccctl$i c 93 `math $i + 128` $video
		done
		for i in 0 1 # more?
		do
			makedev dcxx$i c 94 $i $video
		done
		;;
	sg|sg-all)
		major=`Major sg 21`
		for unit in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
		do
			makedev sg$unit c $major $unit $scsi
		done
		;;
	pg)
		major=`Major pg 97`
		for unit in 0 1 2 3
		do
			makedev pg$unit c $major $unit $scsi
		done
		;;
	fd)
		# not really devices, we use the /proc filesystem
		symlink fd     $procfs/self/fd
		symlink stdin  fd/0
		symlink stdout fd/1
		symlink stderr fd/2
		;;
	ibcs2)
		major=`Major ibcs2 30` || continue
		makedev socksys c $major 0 $ibcs2
		symlink nfsd socksys
		makedev spx     c $major 1 $ibcs2
		symlink X0R null
		;;
	netlink)
		major=36
		makedev route c $major 0 $private
		makedev skip  c $major 1 $private
		;;
	enskip)
		major=64
		makedev enskip c $major 0 $private
		;;
	ipfilt*)
		major=95
		makedev ipl     c $major 0 $private
		makedev ipnat   c $major 1 $private
		makedev ipstate c $major 2 $private
		makedev ipauth  c $major 3 $private
		;;
	qng)
		makedev qng c 77 0 $private
		;;
	apm)
		major=`Major mouse 10` || continue
		makedev apm_bios  c $major 134 $mouse
		;;
	dcf)
		major=`Major dcf` || continue
		makedev $arg c $major 0 $system
		;;
	helloworld)
		major=`Major hw` || continue
		makedev helloworld c $major 0 $public
		;;
	ipsec)
		# For the Free S/WAN (http://www.xs4all.nl/~freeswan/)
		# implementation of IPSEC
		makedev ipsec c 36 10 $ipsec
		;;
	comedi)
		major=98
		for minor in 0 1 2 3
		do
			makedev comedi$minor c $major $minor $public
		done
		;;
	tilp)
		for i in `seq 0 7`
		do
			makedev tipar$i c 115 $i $printer
			makedev tiser$i c 115 `math 8 + $i` $dialout
		done
		for i in `seq 0 31`
		do
			makedev tiusb$i c 115 `math 16 + $i` $dialout
		done
		;;
	dvb)
		# check if kernel-version is >= 2.6.8, if yes, create dvb-devices with
		# major-number 212, in the other case 250
		
		kern_rev1=`uname -r | sed -e 's@^\([^.]*\)\..*@\1@'`
		kern_rev2=`uname -r | sed -e 's@^[^.]*\.\([^.]*\)\..*@\1@'`
		kern_rev3=`uname -r | sed -e 's@^[^.]*\.[^.]*\.\([^.][0-9]*\).*@\1@'`
      
		dvb_major=250

		if [ $kern_rev1 -gt 2 ] || ([ $kern_rev1 -eq 2 ] && [ $kern_rev2 -gt 6 ]) \
			|| ([ $kern_rev1 -eq 2 ] && [ $kern_rev2 -eq 6 ] && [ $kern_rev3 -ge 8 ])
		then 
			dvb_major=212 
		fi

 	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d dvb ]; then
		   mkdir -p dvb
		   chown root:root dvb
		   chmod 755 dvb
		fi
 		for i in 0 1 2 3
 		do
      	                if [ ! "$opt_d" -a ! "$opt_n" ]; then
 			   mkdir -p dvb/adapter$i
			fi
         	        if [ "$opt_v" -a ! "$opt_d" ]; then
                           echo "mkdir -p -m 755 dvb/adapter$i"
	    	        fi
			makedev dvb/adapter$i/video0	c $dvb_major `math 64 \* $i + 0` $video
			makedev dvb/adapter$i/audio0    c $dvb_major `math 64 \* $i + 1` $video
			makedev dvb/adapter$i/frontend0 c $dvb_major `math 64 \* $i + 3` $video
			makedev dvb/adapter$i/demux0    c $dvb_major `math 64 \* $i + 4` $video
			makedev dvb/adapter$i/dvr0      c $dvb_major `math 64 \* $i + 5` $video
			makedev dvb/adapter$i/ca0       c $dvb_major `math 64 \* $i + 6` $video
			makedev dvb/adapter$i/net0      c $dvb_major `math 64 \* $i + 7` $video
			makedev dvb/adapter$i/osd0      c $dvb_major `math 64 \* $i + 8` $video
		done
	        if [ "$opt_d" ]; then
		   rm -rf dvb
		fi
		;;
	usb)
	        if [ ! "$opt_n" -a ! "$opt_d" -a ! -d usb ]; then
		   mkdir -p usb
		   chown root:root usb
		   chmod 755 usb
		fi
	        if [ "$opt_v" -a ! "$opt_d" ]; then
                   echo "mkdir -p -m 755 usb"
		fi
		major=180
		for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		do
			makedev usb/lp$i c $major $i $printer
			makedev usb/mouse$i c $major `math $i + 16` $mouse
			makedev usb/ez$i c $major `math $i + 32` $system
			makedev usb/scanner$i c $major `math $i + 48` $scanner
			makedev usb/hiddev$i c $major `math $i + 96` $system
			makedev ttyACM$i c 166 $i $dialout
			makedev ttyUSB$i c 188 $i $dialout
		done
		makedev usb/rio500 c $major 64 $audio
		makedev usb/usblcd c $major 65 $audio
		makedev usb/cpad0 c $major 66 $audio
	        if [ "$opt_d" ]; then
		   rmdir usb 2>/tmp/null
		fi
		;;
	bluetooth)
		major=216
		for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 \
			16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
		do
			makedev rfcomm$i c $major $i $dialout
		done
		makedev vhci c 10 250 $dialout
		for i in 0 1 2 3; do
			makedev ttyUB$i c 216 $i $dialout
			makedev ccub$i c 217 $i $dialout
		done
		;;
	paride)
                major=45
                for unit in a b c d
		do
                    base=`index abcd $unit`
                    base=`math $base \* 16`
                    makedev pd$unit b $major $base $disk
                    for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
                    do
			makedev pd$unit$part b $major $(( $base + $part )) $disk
                    done
		done
		for i in 0 1 2 3
		do
		    makedev pcd$i b 46 $i $cdrom
		    makedev pf$i  b 47 $i $floppy
		done
                ;;
        lirc)
                makedev lirc c 61 0 $lirc
                for i in d m; do
                   makefifo lirc${i} $lirc
                done
                ;;
	*)
		echo "$0: don't know how to make device \"$arg\"" >&2
		exit 1
		;;
	esac
done

rm -f /tmp/null
exit 0
