sed: Fix handling of an empty pattern space

Add a regression test.

PR: 271791
Obtained from: OpenBSD (1.38 millert)
MFC after: 2 weeks

sed: The change ("c") command should start a new cycle.

The "c" command should start the next cycle as clarified in POSIX 2024.
This is also consistent with historical and gnu sed behavior.

This pa

sed: The change ("c") command should start a new cycle.

The "c" command should start the next cycle as clarified in POSIX 2024.
This is also consistent with historical and gnu sed behavior.

This patch is from OpenBSD by way of NetBSD with a tweak to the man page
date by me.

Confirmed the test case in the bug now works.

PR: 271817
Obtained from: NetBSD (1.39 uwe), OpenBSD (1.39 millert)
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/

Merge ^/head r338298 through r338391.

sed: Fix -i option behavior with 'q' command.

Don't just exit when encountering the 'q' command if we edit file
inplace, and give mf_fgets() a chance to actually handle the
inplace case.

Also add a

sed: Fix -i option behavior with 'q' command.

Don't just exit when encountering the 'q' command if we edit file
inplace, and give mf_fgets() a chance to actually handle the
inplace case.

Also add a regression test.

Submitted by: Yuri Pankov <yuripv@yuripv.net>
Approved by: re (kib)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D16798

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MFH @ r337607, in preparation for boarding

Merge ^/head r336870 through r337285, and resolve conflicts.

sed: unsign some indexes to fix sign-compare warnings.

Hinted by: OpenBSD (CVS 1.32)

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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Merge ^/head r303250 through r304235.

sed(1): Revert r303047 "cleanup" and therefore r303572.

While big, the change was meant to have no effect on behavior and instead
so far we have found two regressions: one in the etcupdate tests and

sed(1): Revert r303047 "cleanup" and therefore r303572.

While big, the change was meant to have no effect on behavior and instead
so far we have found two regressions: one in the etcupdate tests and
another one in the games/openttd port[1].

Revert to a known working state. We will likely have to split the patch in
functional parts before bringing back the changes.

PR: 195929
Reported by: danfe, madpilot [1]

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sed(1): Appease older GCC.

sed(1): Assorted cleanups and simplifications.

Const-ify several variables, make it build cleanly with WARNS level 5.

Submitted by: mi
PR: 195929
MFC after: 1 month

sed(1): Fix off by one introduced in r299211.

Detected by running the gsed tests.

Submitted by: Mikhail Teterin
PR: 195929
MFC after: 3 days

sed(1): Fix a mismatch and sync with the OpenBSD's commit.

This was causing some strange behaviour.

Reported by: olivier
Obtained from: OpenBSD (CVS rev. 1.28)

sed: convert sed to use REG_STARTEND more explicitly.

Summarizing the findings in the OpenBSD list:

This solves a reproduceable issue with very recent Mesa where REG_NOTBOL
combined with a match at

sed: convert sed to use REG_STARTEND more explicitly.

Summarizing the findings in the OpenBSD list:

This solves a reproduceable issue with very recent Mesa where REG_NOTBOL
combined with a match at the begin of the string causes our regex library
to treat the word as not begin of word.

Thanks to Martijn van Duren and Ingo Schwarze for taking the time to
solve this in the least invasive way.

PR: 209352, 209387
Taken from: openbsd-tech (Martijn van Duren)
MFC after: 1 month

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sed: rewrite the main loop.

Rewrite the main loop of the "sed s/..." command, shortening it by ten
lines and simplifying it by removing the switch statement implementing
/g, /1, and /2 separately an

sed: rewrite the main loop.

Rewrite the main loop of the "sed s/..." command, shortening it by ten
lines and simplifying it by removing the switch statement implementing
/g, /1, and /2 separately and repetitively.

This will be needed to bring a fix from OpenBSD later.

Obtained from: OpenBSD (schwarze CVS Rev. 1.18)
MFC after: 3 weeks

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Merge sync of head

Merge from HEAD

Merging ^/head r277777 through r277803.

Fix resource leak and dereference after NULL.

process.c:
Protect access against NULL.

main.c:
Prevent outfile overwrite resource leak.

CID: 271181
CID: 1006930

Obtained from: NetBSD
MFC after: 3

Fix resource leak and dereference after NULL.

process.c:
Protect access against NULL.

main.c:
Prevent outfile overwrite resource leak.

CID: 271181
CID: 1006930

Obtained from: NetBSD
MFC after: 3 days

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