libexec: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

R

libexec: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

This exposes ZFS user and group quotas via the normal
quatactl(2) mechanism. (Read-only at this point, however.)
In particular, this is to allow rpc.rquotad query quotas
for NFS mounts, allowing use

This exposes ZFS user and group quotas via the normal
quatactl(2) mechanism. (Read-only at this point, however.)
In particular, this is to allow rpc.rquotad query quotas
for NFS mounts, allowing users to see their quotas on the
hosts using the datasets.

The changes specifically:

* Add new RPC entry points for querying quotas.
* Changes the library routines to allow non-UFS quotas.
* Changes rquotad to check for quotas on mounted filesystems,
rather than being limited to entries in /etc/fstab
* Lastly, adds a VFS entry-point for ZFS to query quotas.

Note that this makes one unavoidable behavioural change: if quotas
are enabled, then they can be queried, as opposed to the current
method of checking for quotas being specified in fstab. (With
ZFS, if there are user or group quotas, they're used, always.)

Reviewed by: delphij, mav
Approved by: mav
Sponsored by: iXsystems Inc
Differential Revision: https://reviews.freebsd.org/D15886

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Merger of the quota64 project into head.

This joint work of Dag-Erling Smørgrav and myself updates the
FFS quota system to support both traditional 32-bit and new 64-bit
quotas (for those of you who

Merger of the quota64 project into head.

This joint work of Dag-Erling Smørgrav and myself updates the
FFS quota system to support both traditional 32-bit and new 64-bit
quotas (for those of you who want to put 2+Tb quotas on your users).

By default quotas are not compiled into the kernel. To include them
in your kernel configuration you need to specify:

options QUOTA # Enable FFS quotas

If you are already running with the current 32-bit quotas, they
should continue to work just as they have in the past. If you
wish to convert to using 64-bit quotas, use `quotacheck -c 64';
if you wish to revert from 64-bit quotas back to 32-bit quotas,
use `quotacheck -c 32'.

There is a new library of functions to simplify the use of the
quota system, do `man quotafile' for details. If your application
is currently using the quotactl(2), it is highly recommended that
you convert your application to use the quotafile interface.
Note that existing binaries will continue to work.

Special thanks to John Kozubik of rsync.net for getting me
interested in pursuing 64-bit quota support and for funding
part of my development time on this project.

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The NFS quota-reporting RPC uses 32-bit sized fields. We approximate
64-bit quota sizes by scaling down the sizes by the minimum amount
necessary to fit in a 32-bit field and then upscale the filesys

The NFS quota-reporting RPC uses 32-bit sized fields. We approximate
64-bit quota sizes by scaling down the sizes by the minimum amount
necessary to fit in a 32-bit field and then upscale the filesystem
block size to compensate. For example, if the hard block limit is
0x300000008 then we set the hard block limit to 0xA0000002 and claim
that the blocksize is 4 * DEV_BSIZE. This will lose the minimal
amount of information thus delivering nearly correct answers.

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WIP: the last missing piece of the quota64 puzzle. Not quite there
yet.

- MFC

Sync from head.

printerr_reply() has never been used for as long as we've had this code in
our tree (13+ years). This is an excellent argument for aggressive use
of "static".

Sync with head

Other minor style issues.

Sync with head

Slight style cleanup.

WIP

MFH (r184638): build at WARNS level 6

Whitespace and style fixes, build at WARNS level 6.

MFC after: 3 weeks

Fix most cases where the address of an int is passed to a function expecting a
socklen_t * argument.

Eliminate last three uses of varargs.h in the tree. These three files
were including varargs.h file but did not use any of its macros,
so they escaped the clean-up before.

Port to TI/RPC and/or IPV6.

Submitted by: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>

Spell void * as void * rather than caddr_t. This is complicated by the
fact that caddr_t is often misspelled as char *.

Sponsored by: DARPA, NAI Labs

o __P removal
o use new style prototypes and function definitions
o signal handlers need an argument. Mark it unused.

stat(2) filesystem quotas act on, not filesystem quotas file resides on.

PR: bin/4949
MFC after: 2 weeks

$Id$ -> $FreeBSD$

Cosmetics in man page. Add rcsid and sort #includes.

Obtained from: NetBSD
Imported rpc.rquotad from NetBSD - currently only used by the
quota-command to display quota's over nfs