Remove leftover #if 0 code from before the libquota rework.

Remove traces of -D option, which no longer does anything.

Remove unneeded #include.

Simplify elaborate calls to quota_check_limit().

Remove unused include.

Remove an old, no longer necessary hack from libquota and handle the
relevant case properly in usr.bin/quota.

Clean up usr.bin/quota to use the new libquota API.
(with one relatively minor exception remaining)

Adjust the quota-fetching code to allow more than two object types.
(as far as we can so far, at least)

Note that quota won't actually work fully with multiple object types
as it is, but this and th

Adjust the quota-fetching code to allow more than two object types.
(as far as we can so far, at least)

Note that quota won't actually work fully with multiple object types
as it is, but this and the last change are a good start and do fold
together a lot of duplicated code.

show more ...

Clean up the printout code to support more than the old fixed two
object types.

Move a big chunk of code out of a loop into its own function.

Use __dead, not attribute noreturn.

The proper type for a variable that can be either a uid or gid is id_t,
not uint32_t.

Rename struct ufs_quota_entry -> struct quotaval.

Add a new libquota library, which contains some blocks to build and/or
parse quota plists; as well as a getfsquota() function to retrieve quotas
for a single id from a single filesystem (whatever fil

Add a new libquota library, which contains some blocks to build and/or
parse quota plists; as well as a getfsquota() function to retrieve quotas
for a single id from a single filesystem (whatever filesystem this is:
a local quota-enabled fs or NFS). This is build on functions getufsquota()
(for local filesystems with UFS-like quotas) and getnfsquota();
which are also available to userland programs.
move functions from quota2_subr.c to libquota or libprop as appropriate,
and ajust in-tree quota tools.
move some declarations from kernel headers to either sys/quota.h or
quota/quota.h as appropriate. ufs/ufs/quota.h still installed because
it's needed by other installed ufs headers.
ufs/ufs/quota1.h still installed as a quick&dirty way to get a code
using the old quotactl() to compile (just include ufs/ufs/quota1.h instead of
ufs/ufs/quota.h - old code won't compile without this change and this is
on purpose).
Discussed on tech-kern@ and tech-net@ (long thread, but not much about
libquota itself ...)

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- merge more code.
- simplify struct access.

- WARNS=4
- KNF
- don't cast malloc
- don't use static buffers
- fix types
- remove extra \n's from errors
- fix prototypes

merge the bouyer-quota2 branch. This adds a new on-disk format
to store disk quota usage and limits, integrated with ffs
metadata. Usage is checked by fsck_ffs (no more quotacheck)
and is covered by

merge the bouyer-quota2 branch. This adds a new on-disk format
to store disk quota usage and limits, integrated with ffs
metadata. Usage is checked by fsck_ffs (no more quotacheck)
and is covered by the WAPBL journal. Enabled with kernel
option QUOTA2 (added where QUOTA was enabled in kernel config files),
turned on with tunefs(8) on a per-filesystem
basis. mount_mfs(8) can also turn quotas on.

See http://mail-index.netbsd.org/tech-kern/2011/02/19/msg010025.html
for details.

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Fix -Wcast-qual and -Wshadow issues

Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

eliminate MFSTYPENAME

Replaced strncpy with strlcpy. Thanks to Peter Postma who
pointed them our in PR #25762. Approved by christos@NetBSD.org.

Replace the statfs() family of system calls with statvfs().
Retain binary compatibility.

Homogenize usage messages: make the 'usage' word all lowercase, as this seems
to be the most common practice in our tree.

Check the right error code to fallback to rquota v1 RPC.
Problem found and fix tested by Jan Schaumann.

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

Patches provided by Joel Baker in PR 22365, verified by myself.