find: Add -readable, -writable & -executable options

Reviewed by: jhb, Mina Galić
Pull Request: https://github.com/freebsd/freebsd-src/pull/1080

find: add SIGINFO handler

Print number of files processed and path currently being processed on
SIGINFO.

Reviewed by: des, asomers
Sponsored by: Axcient
MFC after: 2 weeks
Differential Revision: ht

find: add SIGINFO handler

Print number of files processed and path currently being processed on
SIGINFO.

Reviewed by: des, asomers
Sponsored by: Axcient
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D43380

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usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a pe

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .h pattern

Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/

find(1): remove unused variable

Merge ^/head r325999 through r326131.

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier f

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge from head

Sponsored by: Gandi.net

Merge from head

Catch up with head, primarily for the 1.14.4.0 firmware.

Merge ^/head r285924 through r286421.

find: Fix segfault with very long path in -exec/-ok ... {} \;.

If the resulting argument is longer than MAXPATHLEN, realloc() was called to
extend the space, but the new pointer was not correctly st

find: Fix segfault with very long path in -exec/-ok ... {} \;.

If the resulting argument is longer than MAXPATHLEN, realloc() was called to
extend the space, but the new pointer was not correctly stored.

Different from what OpenBSD has done, rewrite brace_subst() to calculate the
necessary space first and realloc() at most once.

As before, the e_len fields are not updated in case of a realloc.
Therefore, a following long argument will do another realloc.

PR: 201750
MFC after: 1 week

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MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

find: Correctly propagate -exec/-execdir ... {} + exit status.

As per POSIX, the -exec ... {} + primary always returns true, but a non-zero
exit status causes find to return a non-zero exit status i

find: Correctly propagate -exec/-execdir ... {} + exit status.

As per POSIX, the -exec ... {} + primary always returns true, but a non-zero
exit status causes find to return a non-zero exit status itself. GNU does
the same, and also for -execdir ... {} +.

It does not make much sense to return false from the primary only when the
child process happens to be run.

The behaviour for -exec/-execdir ... ; remains unchanged: the primary
returns true or false depending on the exit status, and find's exit status
is unaffected.

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IFC @253398

Merge fresh head.

sync from head

MFC @247774

Add an option for finding sparse files.

Reviewed by: iedowse
MFC after: 3 weeks

MFC @ r241285

IFC @ r242684