#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/alef/port/tree.c /sys/src/alef/port
# srcdir: /n/juke/plan_9/sys/src/alef/port
# version: 815455834
# date: Fri Nov 3 22:30:34 EST 1995
#
myname=$0
doextract=no

fn usage{
	echo $myname: usage: $myname '[-X] [src-directory]' >[1=2]
	exit usage
}

fn sigint{
	rm -rf 815455834
	exit interrupt
}

while(~ $1 -*){
	switch($1){
	case -X
		doextract=yes
	case -*
		usage
	}
	shift
}

switch($#*){
case 0
	srcdir=/sys/src/alef/port
case 1
	srcdir=$1
case *
	usage
}

if(! ~ $doextract yes){
	echo This shell file contains a bundle of diffs representing changes
	echo to original source files in the Plan 9 distribution. It will run
	echo against the files in
	echo ' ' $srcdir
	echo '(unless overridden by the optional source directory argument)'
	echo and create a directory 815455834 containing the updated files.
	echo It will NOT automatically update the original files.
	echo
	echo Invoke with argument -X to perform the actual extraction.
	exit 0
}

rm -rf 815455834
mkdir 815455834

target=815455834/tree.c
echo -n '815455834/tree.c: '
if(! test -f $srcdir/tree.c || ! test -r $srcdir/tree.c){
	echo $srcdir/tree.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/tree.c}
if(! ~ ee6dca5a8298  $sum(1)^$sum(2)){
	echo $srcdir/tree.c is not the original distribution file
	exit original
}
cp $srcdir/tree.c 815455834/tree.c
ed 815455834/tree.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM tree.c'
379a
			n1 = an(OLABEL, nil, nil);
			n1->sym = s;
			r = an(OLABEL, nil, nil);
			r->sym = s2;
			n->right = an(OLIST, n->right, r);
			n->right = an(OLIST, n1, n->right);
.
376,377c
			s2 = mklab();
			r = an(OGOTO, nil, nil);
			r->sym = s2;
.
332a
	Sym *s, *s2;
.
330d
wq
//GO.SYSIN DD VADIM tree.c
sum=`{sum < 815455834/tree.c}
if(~ bb27a7cf8488  $sum(1)^$sum(2))
	echo
if not{
	echo 815455834/tree.c checksum error creating updated file
	exit checksum
}