xargs: use getline() instead of fgetln()

This replaces fgetln() with getline(). The main reason for this is
portability, making things easier for people who want to compile these
tools on non-FreeBS

xargs: use getline() instead of fgetln()

This replaces fgetln() with getline(). The main reason for this is
portability, making things easier for people who want to compile these
tools on non-FreeBSD systems.

I appreciate that's probably not the top concern for FreeBSD base tools,
but fgetln() is impossible to port to most platforms, as concurrent
access is essentially impossible to implement fully correct without the
line buffer on the FILE struct. Other than this, many generic FreeBSD
tools compile fairly cleanly on Linux with a few small changes.

Most uses of fgetln() pre-date getline() support (added in 2009 with
69099ba2ec8b), and there's been some previous patches (ee3ca711a898
8c98e6b1a7f3 1a2a4fc8ce1b) for other tools.

Obtained from: https://github.com/dcantrell/bsdutils and
https://github.com/chimera-linux/chimerautils
Signed-off-by: Martin Tournoij <martin@arp242.net>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/893

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Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals.

Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals. These copyright strings are present in the comments and
are largely from CSRG's attempt at adding their copyright to every
binary file (which modern interpretations of the license doesn't
require).

Sponsored by: Netflix

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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 .c pattern

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

xargs: Prevent overflow in linelen calculation if nargs is large.

MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: kevans
Differential Revision: https://reviews.freebsd.org/D41023

xargs: disallow -R0 and -L0

Both cases were interpreted as these flags are unset. This meant that
-R0 got converted to -R5 and that -L0 didn't have any effect at all.
Since make at most 0 replacemen

xargs: disallow -R0 and -L0

Both cases were interpreted as these flags are unset. This meant that
-R0 got converted to -R5 and that -L0 didn't have any effect at all.
Since make at most 0 replacements isn't useful and since call utility
for every 0 lines read doesn't make sense, throw an error for these
two cases.

MFC after: 1 week
Reviewed by: des, kevans
Differential Revision: https://reviews.freebsd.org/D41022

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xargs: fix -R so that it accepts negative numbers again

fbc445addf9 converted the parsing of arguments to strtonum but made
the accepted range for -R too restrictive. As documented in the man
page,

xargs: fix -R so that it accepts negative numbers again

fbc445addf9 converted the parsing of arguments to strtonum but made
the accepted range for -R too restrictive. As documented in the man
page, it should accept negative numbers.

Added a test for this, which was provided by Jose Luis Duran.

Fixes: fbc445addf9
MFC after: 1 week
Reviewed by: des, kevans
Differential Revision: https://reviews.freebsd.org/D41021

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xargs: Consistently use strtonum() to parse arguments.

MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: kevans
Differential Revision: https://reviews.freebsd.org/D40425

xargs: Fix typo in error message.

MFC after: 1 week
Sponsored by: Klara, Inc.

xargs: improve foundeof check for -E

4aeb63826e0f got it almost correct (we can't use strcmp() here as
current argument isn't guaranteed to be NUL-terminated), but we also
need to check that current

xargs: improve foundeof check for -E

4aeb63826e0f got it almost correct (we can't use strcmp() here as
current argument isn't guaranteed to be NUL-terminated), but we also
need to check that current argument length is equal to that of eofstr.

PR: 270867
Reviewed by: bapt
Differential Revision: https://reviews.freebsd.org/D39583

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xargs: fix exit code when using -P

currently when xargs runs in parallel mode (e.g. -P2), it somtimes
incorrectly returns zero exit code. this commit fix it and also adds
tests.

Reviewed by: mjg
P

xargs: fix exit code when using -P

currently when xargs runs in parallel mode (e.g. -P2), it somtimes
incorrectly returns zero exit code. this commit fix it and also adds
tests.

Reviewed by: mjg
PR: 267110

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xargs: terminate if line replacement cannot be constructed

If the line with replacement cannot be constructed xargs should
terminate as documented in the man page

We encounter this error, but gnu/x

xargs: terminate if line replacement cannot be constructed

If the line with replacement cannot be constructed xargs should
terminate as documented in the man page

We encounter this error, but gnu/xargs doesn't because they have a much
larger limit for created outputs (~10000 lines).

Reviewed by: oshogbo
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D35574

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xargs: compile yesexpr as ERE

yesexpr is an extended regular expression for quite some time now,
use appropriate flag when compiling it.

PR: 238762
Reviewed by: kevans
Differential Revision: https

xargs: compile yesexpr as ERE

yesexpr is an extended regular expression for quite some time now,
use appropriate flag when compiling it.

PR: 238762
Reviewed by: kevans
Differential Revision: https://reviews.freebsd.org/D27509

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xargs: add some long options for GNU compatibility

These are low-effort to add, so let's just do it.

Reported by: "LukeShu" on Hacker News (-r / --no-run-if-empty)
MFC after: 1 week

xargs: Fix exit status expression when a child process fails to exec.

PR: 244327
Submitted by: thomas.duffy.99@alumni.brown.edu
MFC after: 1 week

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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MFH @r294567

MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Fix type mismatches for malloc(3) and Co.

This is rather pedantic, as for most architectures it holds that
sizeof(type *) == sizeof(type **)

Found by: clang static analyzer
Reviewed by: ed
Differen

Fix type mismatches for malloc(3) and Co.

This is rather pedantic, as for most architectures it holds that
sizeof(type *) == sizeof(type **)

Found by: clang static analyzer
Reviewed by: ed
Differential Revision: https://reviews.freebsd.org/D4722

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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.