Sync to HEAD@r270409.

Merge head from 7/28

- Do not look for more matching lines if -L is specified

Submitted by: eadler (based on)
MFC after: 2 weeks

Sync to HEAD@r269943.

grep: Fix type.

Obtained from: NetBSD (CVS rev. 1.17)
MFC after: 3 days

Fix a bug in bsdgrep(1) where patterns are not correctly
detected.

Certain criteria must be met for this bug to show up:

* the -w flag is specified, and
* neither -o or --color are specified, and

Fix a bug in bsdgrep(1) where patterns are not correctly
detected.

Certain criteria must be met for this bug to show up:

* the -w flag is specified, and
* neither -o or --color are specified, and
* the pattern is part of another word in the line, and
* the other word that contains the pattern occurs first

PR: 181973
MFC after: 3 days
Sponsored by: The FreeBSD Foundation

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Merge fresh head.

IFC @247348.

Sync with HEAD.

IFC @ r244983.

Make bsdgrep behave as gnugrep and as documented: -m should only stop
reading the specific file, not any file.

Tested by: frogs (irc)
Reviewed by: gabor
Approved by: cperciva (implicit)
MFC after: 1

Make bsdgrep behave as gnugrep and as documented: -m should only stop
reading the specific file, not any file.

Tested by: frogs (irc)
Reviewed by: gabor
Approved by: cperciva (implicit)
MFC after: 1 week

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IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

- Match GNU behavior of exit code
- Rename variable that has a different meaning now

PR: bin/162930
Submitted by: Jan Beich <jbeich@tormail.net>
MFC after: 1 week

- Call warnx() instead of errx() if a directory is not readable when using
a recursive search. This is the expected behavior instead of aborting.

PR: bin/162907
Submitted by: Jan Beich <jbeich@t

- Call warnx() instead of errx() if a directory is not readable when using
a recursive search. This is the expected behavior instead of aborting.

PR: bin/162907
Submitted by: Jan Beich <jbeich@tormail.net>
MFC after: 3 days

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- Fix behavior of --null to match GNU grep

PR: bin/162906
Submitted by: Jan Beich <jbeich@tormail.net>
MFC after: 3 days

IFC @ r226824

- Fix counting of match limit (-m)

Reported by: Nali Toja <nalitoja@gmail.com>
Approved by: delphij (mentor)

Update BSD grep to the latest development version. It has some code
backported that was written for the TRE integration project in Google
Summer of Code 2011. This is a temporary solution until the

Update BSD grep to the latest development version. It has some code
backported that was written for the TRE integration project in Google
Summer of Code 2011. This is a temporary solution until the whole
regex library is not replaced so that BSD grep development can continue
and the backported code gets some review and testing. This change only
improves scalability slightly, there is no big performance boost yet
but several minor bugs have been found and fixed.

Approved by: delphij (mentor)
Sposored by: Google Summer of Code 2011
MFC after: 1 week

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IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

Integrate from head at r225316.

- Fix exclusion of directories from a recursive search
- Use FTS_SKIP for exclusion instead of custom code

Submitted by: ttsestt@gmail.com
Approved by: re (kib), delphij (mentor)

Integrate from Head into ZFSD feature branch as of revision r224141.

IFC @ r222830

MFC