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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Purge more stray embedded $FreeBSD$ strings

These do not use __FBSDID but instead use bare char arrays.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41957

Merge ^/head r336870 through r337618.

printf: Fix \c in %b in printf builtin exiting the shell after r337458

SVN r337458 erroneously partially reverted r265885.

This is immediately visible when running the Kyua/ATF tests for
usr.bin/pr

printf: Fix \c in %b in printf builtin exiting the shell after r337458

SVN r337458 erroneously partially reverted r265885.

This is immediately visible when running the Kyua/ATF tests for
usr.bin/printf, which actually test sh's printf builtin.

PR: 229641

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MFH @ r337607, in preparation for boarding

Merge ^/head r337286 through r337585.

Fix printf(1) ignores width and precision in %b format.

The precision with the conversion specifier b is specified by POSIX: see
point 7 in the reference documentation.

This corrects previous wrong

Fix printf(1) ignores width and precision in %b format.

The precision with the conversion specifier b is specified by POSIX: see
point 7 in the reference documentation.

This corrects previous wrong log in r337440.

Reference: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/printf.html

PR: 229641
Reported by: Rudolf Cejka
Submitted by: Garrett D'Amore (illumos)
MFC after: 1 week

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Revert r337440: the log message is wrong.

Fix printf(1) ignores width and precision in %b format.

The precision with behavior is "unspecified" by POSIX (as of 2018), but
most implementations seem to have taken it to be treated the same as f

Fix printf(1) ignores width and precision in %b format.

The precision with behavior is "unspecified" by POSIX (as of 2018), but
most implementations seem to have taken it to be treated the same as for
"s"; applied after the unescaping.
Adopt the same treatment on our printf.

PR: 229641
Submitted by: Garrett D'Amore (illumos)

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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 r317503 through r317807.

printf: Output formatted data directly, instead of via asprintf.

Long ago, sh used to have its own optimized and restricted string formatting
implementation, which the printf builtin had to bypass v

printf: Output formatted data directly, instead of via asprintf.

Long ago, sh used to have its own optimized and restricted string formatting
implementation, which the printf builtin had to bypass via asprintf() to a
temporary buffer. Since sh has used libc's string formatting implementation
for a long time, remove the workaround.

Add a check to keep printf %c '' working the same way (output nothing);
POSIX allows both outputting nothing and outputting a NUL byte.

Also, this change avoids silently discarding format directives for whose
output asprintf() cannot allocate memory.

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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 sync of head

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge from head

Merge ^/head r279313 through r279595.

Merge r278538 through r279514.

sh: Fix compiler warnings related to duplicate or missing declarations.

IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

MFC @ r266724

An SVM update will follow this.