Add used-by comments on source files that are .PATH'd in from elsewhere.

use getfsspecname()

Make sure that the exit values are always sane, and use symbolic instead
of magic constants. Reviewed by go@

- make preen recognize wedges and insert their parent disks in the disk list
so that we don't run multiple fsck's on the same spindle at the same time!
- Add some partition getting utilities that a

- make preen recognize wedges and insert their parent disks in the disk list
so that we don't run multiple fsck's on the same spindle at the same time!
- Add some partition getting utilities that are wedge aware (soon to be able
to use the native geometry ioctl), so that we can fsck wedges.

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Programs that use efun.

When we run with 'fsck -f -n' we should go over all the filesystems, not
exit on the first one that fails. Add a new flag CHECK_NOFIX so that we
specify -n, we keep going.

Add (unsigned char) to isdigit() call

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22308, verified by myself.

sweep of errx/warnx, remove unnecessary trailing \n

fix a couple of -Wshadow warnings

- Don't attempt to fsck a file system that is mounted read-write unless -f
(force) is given. fsck(8) will return with a zero exit status if "fsck -p"
is used in this circumstance, but all other i

- Don't attempt to fsck a file system that is mounted read-write unless -f
(force) is given. fsck(8) will return with a zero exit status if "fsck -p"
is used in this circumstance, but all other invocations (e.g, "fsck",
"fsck /filesystem", "fsck -p /filesystem") will return with a non-zero exit
status in this circumstance.
Per discussions with various people including Bill Sommerfeld.
- Use "file system" instead of "filesystem"

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use TAILQ_xxx instead of referencing tqe_xxx elements directly

ansi knf

use TAILQ_xxx instead of referencing tqh_xxx elements directly

const poisoning.

resolve conflicts from lite-2 merge

* cleanup for WARNS=1
* deprecate register
* prefix hex numbers with '0x'

Allow for an extra argument needed by quotacheck.

- Rename util.c and util.h to fsutil.c and fsutil.h to avoid conflict with
<util.h>
- Change checkfstab so that the checkit function takes the name of the
mount point too (needed by quotacheck).

- Rename util.c and util.h to fsutil.c and fsutil.h to avoid conflict with
<util.h>
- Change checkfstab so that the checkit function takes the name of the
mount point too (needed by quotacheck).
- Remove globals debug, verbose and preen

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- added -T fstype:fsoptions per cgd's suggestion.
- handle parallelism in preening here using the original preening code from
fsck_ffs.
- move common code from fsck_ffs and fsck_msdos here.

convert to new RCS Id conventions; reduce my headache

Mostly sync with CSRG.

more cleanups from Jim Jegers, passed over by me.

Use the S_IS*() macros, and make this compile again after Chris's changes to ufs.

Eliminate uses of some obsolete functions.