cut: 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

sccs: Manual changes

For the uncommon items: Go through the tree and remove sccs tags that
didn't fit any nice pattern. If in the neighborhood, other SCM tags were
removed when they were detritis of long-ago CVS somehow in the early
mists of the project. Some adjacent copyrights stringswere removed (they
duplicated the copyright notices in the file). This also removed
non-standard formations of omission of SCCS tags (usually by adding an
extra #if 0 somewhere.

After this commit, a number of strings tagged with the 'what' @(#)
prefix remain, but they are primarily copyright notices.

Sponsored by: Netflix

Remove $FreeBSD$: one-line .c pattern

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

cut: Fix out of boundary write on illegal list argument

It is possible to trigger an out of boundary write in cut if an invalid
range with autostart has been supplied.

PR: 227330
Submitted by: tobias@stoeckmann.org

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.

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

The is_delim function works on wchar_t characters not ints, update the
function to take a wchar_t as it's argument.

This fixes the build when wchar_t is not an int, i.e. ARM EABI.

Add 'w' flag to:

Use whitespace (spaces and tabs) as the delimiter.
Consecutive spaces and tabs count as one single field
separator.

Reviewed by: swildner@dragonflybsd.org
Approved by: cperciva
Obtained from: DragonFlyBSD
MFC after: 1 week

- Consistenly mention columns and fields
- Add -b to short error messages

Obtained from: NetBSD

Add missing static keywords to cut(1)

Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with: imp, rwatson

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

- Import the HEAD csup code which is the basis for the cvsmode work.

When the last line of a file is missing a newline in -f mode, pass a
length argument to mbrtowc() that accounts for the terminating newline
character we add automatically. Failing to do this caused the loop to
unexpectedly run out of characters and incorrectly signal an "Illegal byte
sequence" error.

Move some variable declarations to the top of the file.

Silence a warning about an unused argument.

Handle multibyte characters when cutting out fields (-f and -d options.)

Update a comment that compared the parser with an obsolete draft of
IEEE Std 1003.2-1992. Most of the "extensions" here were actually
required by the final version of the standard.

Implement the -c option correctly in locales with multibyte characters
instead of treating it as a synonym for -b.

Make the handling of invalid multibyte sequences more robust by using
mbrlen() instead of mblen().

ANSIify function definitions.
Add some constness to avoid some warnings.
Remove use register keyword.
Deal with missing/unneeded extern/prototypes.
Some minor type changes/casts to avoid warnings.

Reviewed by: md5

Remove local prototypes for main().

Consistently use FBSDID

Don't split multibyte characters when the -n option is specified.

style(9): don't initialise variables in their declaration, remove space
after function name, use __unused on unused parameters instead of
initialising them to bogus values.

Initialise the `positions' array correctly before use.

When a file name of "-" is given, read from standard input (SUSv3)

Allow byte/character positions >_POSIX2_LINE_MAX to be specified by
dynamically growing the `positions' array.

If processing of one file fails, try to process the remaining files and
exit non-zero instead of immediately exiting. The traditional BSD
behaviour is explicitly forbidden by P1003.2.

Silence the remaining warnings and clamp down with WARNS=2.

Not objected to by: -audit

Teach cut(1) how to handle long lines: convert from fgets(3) to fgetln(3).

PR: 26810
Reviewed by: dwmalone

Remove duplicate FreeBSD Id
Remoce unused #include
Use imperative mode to start flag description

De-__P()-ify

Reviewed by: markm

BDECFLAGS: constify; use proper types. Add $FreeBSD$, clean up #ifndef lint.

Reviewed by: markm

Merge from NetBSD: cut.1 rev 1.6 to 1.8
cut.c rev 1.9 to 1.13
* Man page internal cleanups
* 8-bit characters cast to unsigned for is*()
* Misc cleanups for egcs -Wall compatibility

Bring in use of strsep() to handle bad input better, and clean up
some text.

Obtained from: Merge from OpenBSD
(cut.1 up to OpenBSD rev 1.3, cut.c up to OpenBSD rev 1.6)

Merge from NetBSD cut.1 rev 1.6 and cut.c rev 1.9, respectively. This
makes us conform to IEEE Std1003.2-1992 (``POSIX.2'').

Obtained from: NetBSD (but with slight modifications).

Tweaks to allow compiling -Wall (mostly adding "const" to char rcsid[]).

Use err(3) instead of local redefinition. Change argument name in man
page to sync with usage string.

compare return value from getopt against -1 rather than EOF, per the final
posix standard on the topic.

Merge from Lite2

Import some parts of CSRG 4.4BSD-Lite2 usr.bin sources to fix tree build.

Fix wrong separator output
Submitted by: julian
Obtained from: newsgroup?

BSD 4.4 Lite Usr.bin Sources