#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/cmd/dossrv /sys/src/cmd/dossrv
# srcdir: /n/juke/plan_9/sys/src/cmd/dossrv
# version: 816323507
# date: Mon Nov 13 23:31:47 EST 1995
#
myname=$0
doextract=no

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

fn sigint{
	rm -rf 816323507
	exit interrupt
}

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

switch($#*){
case 0
	srcdir=/sys/src/cmd/dossrv
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 816323507 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 816323507
mkdir 816323507

target=816323507/dat.h
echo -n '816323507/dat.h: '
if(! test -f $srcdir/dat.h || ! test -r $srcdir/dat.h){
	echo $srcdir/dat.h unreadable
	exit unreadable
}
sum=`{sum < $srcdir/dat.h}
if(! ~ 518755582407  $sum(1)^$sum(2)){
	echo $srcdir/dat.h is not the original distribution file
	exit original
}
cp $srcdir/dat.h 816323507/dat.h
ed 816323507/dat.h >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM dat.h'
91a

#define	QIDPATH(p)	((p)->addr*(Sectorsize/sizeof(Dosdir)) + \
			 (p)->offset/sizeof(Dosdir))
.
19a
#define FAT12	0x01
#define FAT16	0x04
#define FATHUGE	0x06
#define DMDDO	0x54

.
wq
//GO.SYSIN DD VADIM dat.h
sum=`{sum < 816323507/dat.h}
if(~ 37544a3b2581  $sum(1)^$sum(2))
	echo
if not{
	echo 816323507/dat.h checksum error creating updated file
	exit checksum
}
target=816323507/dosfs.c
echo -n '816323507/dosfs.c: '
if(! test -f $srcdir/dosfs.c || ! test -r $srcdir/dosfs.c){
	echo $srcdir/dosfs.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/dosfs.c}
if(! ~ 5722252b9523  $sum(1)^$sum(2)){
	echo $srcdir/dosfs.c is not the original distribution file
	exit original
}
cp $srcdir/dosfs.c 816323507/dosfs.c
ed 816323507/dosfs.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM dosfs.c'
490c
		getdir(&dir, dp->d, dp->addr, dp->offset);
.
470c
	if(truncfile(f) < 0)
.
298c
	f->qid.path = QIDPATH(ndp);
.
279,288c
	/*
	 * allocate first cluster, if making directory
	 */
	if(thdr.perm & CHDIR){
		bp = f->xf->ptr;
		lock(bp);
		start = falloc(f->xf);
		unlock(bp);
		if(start <= 0){
			if(ndp)
				free(ndp);
			putfile(f);
			errno = Eio;
			return;
		}
.
236c
	int attr, omode=0, start=0;
.
231c
	Dosbpb *bp=0;
.
217c
		if(truncfile(f) < 0){
.
140,141c
		f->qid.path = QIDPATH(dp);
		if(dp->addr == 0)
.
123,131c
		else
			f->qid.path = CHDIR | QIDPATH(dp);
.
wq
//GO.SYSIN DD VADIM dosfs.c
sum=`{sum < 816323507/dosfs.c}
if(~ 0b8bced69462  $sum(1)^$sum(2))
	echo
if not{
	echo 816323507/dosfs.c checksum error creating updated file
	exit checksum
}
target=816323507/dossubs.c
echo -n '816323507/dossubs.c: '
if(! test -f $srcdir/dossubs.c || ! test -r $srcdir/dossubs.c){
	echo $srcdir/dossubs.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/dossubs.c}
if(! ~ 6c15a00417597  $sum(1)^$sum(2)){
	echo $srcdir/dossubs.c is not the original distribution file
	exit original
}
cp $srcdir/dossubs.c 816323507/dossubs.c
ed 816323507/dossubs.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM dossubs.c'
718a
	if(n < 2 || n >= bp->fatclusters)
		panic("putfat n=%d", n);
.
603c
		/* dp->qid.path = GSHORT(d->start); */
		dp->qid.path = addr*(Sectorsize/sizeof(Dosdir)) +
				offset/sizeof(Dosdir);
.
595c
	if(d == 0 || addr == 0){
.
590c
getdir(Dir *dp, Dosdir *d, int addr, int offset)
.
570,574d
565,568c
	d->start[0] = 0;
	d->start[1] = 0;
	while(clust > 0){
.
555c
truncfile(Xfile *f)
.
333c
			getdir(&dir, d, addr, o);
.
145a
	if(GSHORT(d->start) == 0){
		if(!cflag)
			return -1;
		lock(bp);
		start = falloc(f->xf);
		unlock(bp);
		if(start <= 0)
			return -1;
		puttime(d, 0);
		d->start[0] = start;
		d->start[1] = start>>8;
		dp->p->flags |= BMOD;
		dp->clust = 0;
	}
.
139c
	int start, clust, iclust, nskip, next = 0;
.
115c
		dp->d = (Dosdir *)&p->iobuf[dp->offset];
.
110c
				f->qid.path, QIDPATH(dp));
.
107,108c
		if((f->qid.path & ~CHDIR) != QIDPATH(dp)){
.
99d
49c
		xf->offset = mbroffset+offset;
.
38c
			/*
			 * Check for a disc-manager partition in the MBR.
			 * Real MBR is at lba 63. Unfortunately it starts with
			 * 0xE9, hence the check above against magic.
			 */
			if(dp->type == DMDDO){
				mbroffset = 63*Sectorsize;
				putsect(p);
				purgebuf(xf);
				xf->offset += mbroffset;
				goto dmddo;
			}
			/*
			 * Make sure it really is the right type, other filesystems
			 * can look like a FAT (e.g. OS/2 BOOT MANAGER).
			 */
			if(dp->type == FAT12 || dp->type == FAT16 || dp->type == FATHUGE)
.
24c
		if(mbroffset == 0 && b->magic[0] == 0xe9)
.
18a
	mbroffset = 0;
dmddo:
.
17c
	int i, j;
	long mbroffset, offset;
.
wq
//GO.SYSIN DD VADIM dossubs.c
sum=`{sum < 816323507/dossubs.c}
if(~ f0a4f06c18455  $sum(1)^$sum(2))
	echo
if not{
	echo 816323507/dossubs.c checksum error creating updated file
	exit checksum
}
target=816323507/fns.h
echo -n '816323507/fns.h: '
if(! test -f $srcdir/fns.h || ! test -r $srcdir/fns.h){
	echo $srcdir/fns.h unreadable
	exit unreadable
}
sum=`{sum < $srcdir/fns.h}
if(! ~ cf34da3f1066  $sum(1)^$sum(2)){
	echo $srcdir/fns.h is not the original distribution file
	exit original
}
cp $srcdir/fns.h 816323507/fns.h
ed 816323507/fns.h >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM fns.h'
39c
int	truncfile(Xfile*);
.
9c
void	getdir(Dir*, Dosdir*, int, int);
.
wq
//GO.SYSIN DD VADIM fns.h
sum=`{sum < 816323507/fns.h}
if(~ f74077fe1071  $sum(1)^$sum(2))
	echo
if not{
	echo 816323507/fns.h checksum error creating updated file
	exit checksum
}
target=816323507/xfile.c
echo -n '816323507/xfile.c: '
if(! test -f $srcdir/xfile.c || ! test -r $srcdir/xfile.c){
	echo $srcdir/xfile.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/xfile.c}
if(! ~ f7022b593285  $sum(1)^$sum(2)){
	echo $srcdir/xfile.c is not the original distribution file
	exit original
}
cp $srcdir/xfile.c 816323507/xfile.c
ed 816323507/xfile.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM xfile.c'
72c
	fxf->offset = offset;
.
48a
		if(offset && xf->offset != offset)
			continue;
.
25a

	/*
	 * If the name passed is of the form 'name:offset' then
	 * offset is used to prime xf->offset. This allows accessing
	 * a FAT-based filesystem anywhere within a partition.
	 * Typical use would be to mount a filesystem in the presence
	 * of a boot manager programme at the beginning of the disc.
	 */
	offset = 0;
	if(p = strrchr(name, ':')){
		*p++ = 0;
		offset = strtol(p, &q, 0);
		chat("name %s, offset %ld\n", p, offset);
		if(offset < 0 || p == q){
			errno = Enofilsys;
			return 0;
		}
		offset *= Sectorsize;
	}

.
18a
	char *p, *q;
	long offset;
.
wq
//GO.SYSIN DD VADIM xfile.c
sum=`{sum < 816323507/xfile.c}
if(~ 996909b43900  $sum(1)^$sum(2))
	echo
if not{
	echo 816323507/xfile.c checksum error creating updated file
	exit checksum
}