Eliminate lots of expr(1) calls, as suggested by Charles.
This commit is contained in:
pk
parent
0bbccb98a0
commit
618f2d5911
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@ -1,5 +1,7 @@
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#!/bin/sh -
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#
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# $NetBSD: MAKEDEV,v 1.19 1996/11/11 22:34:51 pk Exp $
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#
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# Copyright (c) 1990 The Regents of the University of California.
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# All rights reserved.
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#
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@ -72,21 +74,20 @@ umask 77
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for i
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do
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unit=`expr $i : '[a-z][a-z]*\([0-9][0-9]*\)'`
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[ "$unit" ] || unit=0
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case $i in
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all)
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sh MAKEDEV std sd0 sd1 sd2 sd3 sd4 xd0 xd1 xd2 xd3 xy0 xy1 xy2 xy3
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sh MAKEDEV cd0 st0 st1 fd0
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sh MAKEDEV pty0 vnd0 vnd1 vnd2 vnd3 audio tun0 tun1 tun2 tun3
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sh MAKEDEV ccd0 ccd1 ccd2 ccd3
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sh MAKEDEV bpf0 bpf1 bpf2 bpf3 bwtwo0 cgthree0 cgfour0 cgsix0
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sh MAKEDEV cgeight0
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sh MAKEDEV lkm local
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sh -$- $0 std sd0 sd1 sd2 sd3 sd4 xd0 xd1 xd2 xd3 xy0 xy1 xy2 xy3
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sh -$- $0 cd0 st0 st1 fd0
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sh -$- $0 pty0 vnd0 vnd1 vnd2 vnd3 audio tun0 tun1 tun2 tun3
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sh -$- $0 ccd0 ccd1 ccd2 ccd3
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sh -$- $0 bpf0 bpf1 bpf2 bpf3 bwtwo0 cgthree0 cgfour0 cgsix0
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sh -$- $0 cgeight0
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sh -$- $0 lkm local
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;;
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std)
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rm -f console tty kmem mem null zero eeprom openprom drum klog \
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stdin stdout stderr fd/* ttya ttyb fb mouse kbd
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mknod console c 0 0
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mknod tty c 2 0 ; chmod 666 tty
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mknod kmem c 3 1 ; chmod 640 kmem ; chgrp kmem kmem
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@ -94,7 +95,7 @@ std)
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mknod null c 3 2 ; chmod 666 null
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mknod zero c 3 12 ; chmod 666 zero
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mknod eeprom c 3 11 ; chmod 640 eeprom ; chgrp kmem eeprom
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mknod openprom c 70 0 ; chmod 644 openprom
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mknod openprom c 70 0 ; chmod 640 openprom;chgrp kmem openprom
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mknod drum c 7 0 ; chmod 640 drum ; chgrp kmem drum
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mknod klog c 16 0 ; chmod 600 klog
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mknod stdin c 24 0 ; chmod 666 stdin
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@ -116,38 +117,48 @@ std)
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;;
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bwtwo*)
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unit=${i#bwtwo}
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rm -f bwtwo$unit
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mknod bwtwo$unit c 27 $unit; chmod 666 bwtwo$unit
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;;
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cgthree*)
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unit=${i#cgthree}
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rm -f cgthree$unit
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mknod cgthree$unit c 55 $unit; chmod 666 cgthree$unit
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;;
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cgfour*)
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unit=${i#cgfour}
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rm -f cgfour$unit
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mknod cgfour$unit c 39 $unit; chmod 666 cgfour$unit
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;;
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cgsix*)
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unit=${i#cgsix}
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rm -f cgsix$unit
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mknod cgsix$unit c 67 $unit; chmod 666 cgsix$unit
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;;
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cgeight*)
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unit=${i#cgeight}
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rm -f cgeight$unit
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mknod cgeight$unit c 64 $unit; chmod 666 cgeight$unit
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;;
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tcx*)
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unit=${i#tcx}
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rm -f tcx$unit
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mknod tcx$unit c 109 $unit; chmod 666 tcx$unit
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;;
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audio)
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rm -f audio
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mknod audio c 69 0; chmod 666 audio
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;;
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openprom)
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mknod openprom c 70 0; chmod 600 openprom
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;;
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bpf*)
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unit=${i#bpf}
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rm -f bpf$unit
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mknod bpf$unit c 105 $unit
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chmod 600 bpf$unit
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@ -155,6 +166,7 @@ bpf*)
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;;
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tun*)
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unit=${i#tun}
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rm -f tun$unit
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mknod tun$unit c 111 $unit
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chmod 600 tun$unit
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@ -162,6 +174,7 @@ tun*)
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;;
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rd*)
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unit=${i#tun}
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rm -f rd$unit
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mknod rd$unit b 5 $unit
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chown root.operator rd$unit
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@ -171,34 +184,34 @@ rd*)
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ccd*|fd*|sd*|xd*|xy*|cd*|vnd*)
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umask 2
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case $i in
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ccd*) name=ccd; blk=9; chr=23;;
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fd*) name=fd; blk=16; chr=54;;
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sd*) name=sd; blk=7; chr=17;;
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xd*) name=xd; blk=10; chr=42;;
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xy*) name=xy; blk=3; chr=9;;
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cd*) name=cd; blk=18; chr=58;;
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vnd*) name=vnd; blk=8; chr=110;;
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ccd*) name=ccd; unit=${i#ccd}; blk=9; chr=23;;
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fd*) name=fd; unit=${i#fd}; blk=16; chr=54;;
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sd*) name=sd; unit=${i#sd}; blk=7; chr=17;;
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xd*) name=xd; unit=${i#xd}; blk=10; chr=42;;
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xy*) name=xy; unit=${i#xy}; blk=3; chr=9;;
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cd*) name=cd; unit=${i#cd}; blk=18; chr=58;;
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vnd*) name=vnd; unit=${i#vnd}; blk=8; chr=110;;
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esac
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case $unit in
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0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|\
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17|18|19|20|21|22|23|24|25|26|27|28|29|30|31)
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rm -f ${name}${unit}[a-h] r${name}${unit}[a-h]
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mknod ${name}${unit}c b $blk `expr $unit '*' 8 + 2`
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mknod r${name}${unit}c c $chr `expr $unit '*' 8 + 2`
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mknod ${name}${unit}a b $blk `expr $unit '*' 8 + 0`
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mknod ${name}${unit}b b $blk `expr $unit '*' 8 + 1`
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mknod ${name}${unit}d b $blk `expr $unit '*' 8 + 3`
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mknod ${name}${unit}e b $blk `expr $unit '*' 8 + 4`
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mknod ${name}${unit}f b $blk `expr $unit '*' 8 + 5`
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mknod ${name}${unit}g b $blk `expr $unit '*' 8 + 6`
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mknod ${name}${unit}h b $blk `expr $unit '*' 8 + 7`
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mknod r${name}${unit}a c $chr `expr $unit '*' 8 + 0`
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mknod r${name}${unit}b c $chr `expr $unit '*' 8 + 1`
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mknod r${name}${unit}d c $chr `expr $unit '*' 8 + 3`
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mknod r${name}${unit}e c $chr `expr $unit '*' 8 + 4`
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mknod r${name}${unit}f c $chr `expr $unit '*' 8 + 5`
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mknod r${name}${unit}g c $chr `expr $unit '*' 8 + 6`
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mknod r${name}${unit}h c $chr `expr $unit '*' 8 + 7`
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mknod ${name}${unit}c b $blk $(($unit * 8 + 2))
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mknod ${name}${unit}a b $blk $(($unit * 8 + 0))
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mknod ${name}${unit}b b $blk $(($unit * 8 + 1))
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mknod ${name}${unit}d b $blk $(($unit * 8 + 3))
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mknod ${name}${unit}e b $blk $(($unit * 8 + 4))
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mknod ${name}${unit}f b $blk $(($unit * 8 + 5))
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mknod ${name}${unit}g b $blk $(($unit * 8 + 6))
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mknod ${name}${unit}h b $blk $(($unit * 8 + 7))
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mknod r${name}${unit}a c $chr $(($unit * 8 + 0))
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mknod r${name}${unit}b c $chr $(($unit * 8 + 1))
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mknod r${name}${unit}c c $chr $(($unit * 8 + 2))
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mknod r${name}${unit}d c $chr $(($unit * 8 + 3))
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mknod r${name}${unit}e c $chr $(($unit * 8 + 4))
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mknod r${name}${unit}f c $chr $(($unit * 8 + 5))
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mknod r${name}${unit}g c $chr $(($unit * 8 + 6))
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mknod r${name}${unit}h c $chr $(($unit * 8 + 7))
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chgrp operator ${name}${unit}[a-h] r${name}${unit}[a-h]
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chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
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;;
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@ -212,18 +225,18 @@ ccd*|fd*|sd*|xd*|xy*|cd*|vnd*)
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st*)
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umask 2
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case $i in
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st*) name=st; blk=11; chr=18;;
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st*) name=st; unit=${i#st}; blk=11; chr=18;;
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esac
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rm -f $name$unit n$name$unit e$name$unit en$name$unit \
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r$name$unit nr$name$unit er$name$unit enr$name$unit
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mknod ${name}${unit} b $blk `expr $unit '*' 16 + 0`
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mknod n${name}${unit} b $blk `expr $unit '*' 16 + 1`
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mknod e${name}${unit} b $blk `expr $unit '*' 16 + 2`
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mknod en${name}${unit} b $blk `expr $unit '*' 16 + 3`
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mknod r${name}${unit} c $chr `expr $unit '*' 16 + 0`
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mknod nr${name}${unit} c $chr `expr $unit '*' 16 + 1`
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mknod er${name}${unit} c $chr `expr $unit '*' 16 + 2`
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mknod enr${name}${unit} c $chr `expr $unit '*' 16 + 3`
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mknod ${name}${unit} b $blk $(($unit * 16 + 0))
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mknod n${name}${unit} b $blk $(($unit * 16 + 1))
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mknod e${name}${unit} b $blk $(($unit * 16 + 2))
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mknod en${name}${unit} b $blk $(($unit * 16 + 3))
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mknod r${name}${unit} c $chr $(($unit * 16 + 0))
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mknod nr${name}${unit} c $chr $(($unit * 16 + 1))
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mknod er${name}${unit} c $chr $(($unit * 16 + 2))
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mknod enr${name}${unit} c $chr $(($unit * 16 + 3))
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chgrp operator ${name}${unit} n${name}${unit} \
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e$name$unit en$name$unit \
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r${name}${unit} nr${name}${unit} \
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@ -238,10 +251,10 @@ st*)
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ch*)
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umask 2
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case $i in
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ch*) name=ch; chr=19;;
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ch*) name=ch; unit=${i#ch}; chr=19;;
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esac
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rm -f $name$unit
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mknod ${name}${unit} c $chr `expr $unit '*' 16 + 0`
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mknod ${name}${unit} c $chr $(($unit * 16 + 0))
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chgrp operator ${name}${unit}
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chmod 640 ${name}${unit}
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umask 77
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@ -255,7 +268,8 @@ lkm)
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;;
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pty*)
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case $unit in
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class=${i#pty}
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case $class in
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0) offset=0 name=p;;
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1) offset=16 name=q;;
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2) offset=32 name=r;;
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@ -264,16 +278,20 @@ pty*)
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4) offset=64 name=t;;
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*) echo bad unit for pty in: $i;;
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esac
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case $unit in
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case $class in
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0|1|2|3|4)
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umask 0
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eval `echo $offset $name | awk ' { b=$1; n=$2 } END {
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for (i = 0; i < 16; i++)
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for (i = 0; i < 16; i++) { \
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printf("rm -f tty%s%x pty%s%x; ", \
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n, i, n, i); \
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printf("mknod tty%s%x c 20 %d; \
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mknod pty%s%x c 21 %d; ", \
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n, i, b+i, n, i, b+i); }'`
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n, i, b+i, n, i, b+i); \
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} \
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}'`
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umask 77
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if [ $unit = 1 ]; then
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if [ $class = 1 ]; then
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mv ttyqf ttyv0; mv ptyqf ptyv0
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fi
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;;
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@ -282,7 +300,7 @@ pty*)
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local)
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umask 0
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sh MAKEDEV.local
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sh -$- $0.local
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;;
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*)
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echo $i: unknown device
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