libc: Fix getentropy POSIX 2024 conformance issues

GETENTROPY_MAX should be defined in limits.h. EINVAL is the return
value for buflen > GETENTROPY_MAX.

PR: 282783
Reviewed by: markj, asomers, jh

libc: Fix getentropy POSIX 2024 conformance issues

GETENTROPY_MAX should be defined in limits.h. EINVAL is the return
value for buflen > GETENTROPY_MAX.

PR: 282783
Reviewed by: markj, asomers, jhb
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D47689

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include: 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

include: 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/

Vendor import of stripped libc++ trunk r366426 (just before the release_90 branch
point):

https://llvm.org/svn/llvm-project/libcxx/trunk@366426

Merge ^/head r339015 through r339669.

MFH r338661 through r339200.

Sponsored by: The FreeBSD Foundation

Reduce NL_ARGMAX to 4096 to match Linux.

NL_ARGMAX is the maximum number of positional arguments supported by
printf(3). Prior to r308145 it was declared as 99 and not enforced.
r308145 added enforc

Reduce NL_ARGMAX to 4096 to match Linux.

NL_ARGMAX is the maximum number of positional arguments supported by
printf(3). Prior to r308145 it was declared as 99 and not enforced.
r308145 added enforcement and increased the value to 64k.

Unfortunately, development versions of PostgreSQL used the system
definition to allocate and zero an NL_ARGMAX * 4 sized array on the
stack of its snprintf implementation with measurable performance
impacts. This has been fixed in new PostgreSQL versions, but it is
possible that other programs suffer from this problem.

A value of 4096 puts us on par with Linux and is certainly large enough
for any reasonable program.

Reviewed by: mjg
Reported by: mjg
Approved by: re (gjb)
Differential revision: https://reviews.freebsd.org/D17387
Differential revision: https://reviews.freebsd.org/D8286

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Merge ^/head r325999 through r326131.

include: 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

include: 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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Vendor import of libc++ trunk r290819:
https://llvm.org/svn/llvm-project/libcxx/trunk@290819

Merge ^/head r307736 through r308146.

Detect integer overflow and limit the number of positional
arguments in the string format.

Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
Differential Revision: https://reviews.freebsd.org/D8286

MFH @r294567

MFH

Sponsored by: The FreeBSD Foundation

Merge ^/head r293430 through r293685.

- Add the definition of CHARCLASS_NAME_MAX, as per POSIX.1-2001.
- Avoid namespace pollution and move definitions of _POSIX2_CHARCLASS_NAME_MAX
and _POSIX2_COLL_WEIGHTS_MAX into the .2001 section.

- Add the definition of CHARCLASS_NAME_MAX, as per POSIX.1-2001.
- Avoid namespace pollution and move definitions of _POSIX2_CHARCLASS_NAME_MAX
and _POSIX2_COLL_WEIGHTS_MAX into the .2001 section.
With input from bde.

Submitted by bde

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MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head (r291075).

Improve collation string and locales support

Merge collation support from Illumos and DragonflyBSD.

Locales are now generated with the new localedef(1) tool from CLDR POSIX files.
The generated fil

Improve collation string and locales support

Merge collation support from Illumos and DragonflyBSD.

Locales are now generated with the new localedef(1) tool from CLDR POSIX files.
The generated files are now identified as "BSD 1.0" format.

The libc now only read "BSD 1.0" locales definitions, all other version will be
set to "C"
The localedef(1) tool has been imported from Illumos and modified to use tree(3)
instead of the CDDL avl(3)
A set of tool created by edwin@ and extended by marino@ for dragonfly has been
added to be able to generate locales and the Makefiles from the vanilla CLDR
unicode databases + a universal UTF-8 charmap (by marino@)
Update the locales to unicode v27
Given our regex(3) does not support multibyte (yet) it has been forced to always
use locale C
Remove now unused colldef(1) and mklocale(1)
Finish implementing the numeric BSD extension for ctypes
The number of supported locales has grown from 175 to 250 locales. Among the new
locales: 6 Arabic locales (AE EG JO MA QA SA), Different variations of spanish
locales.
Added new 3 components locales for mn_Cyrl_MN, sr_Cyrl_RS sr_Latn_RS,
zh_Hans_CN, zh_Hant_HK and zh_Hant_TW. Some aliases has been for 2 components
version when possible.

Thanks: Garrett D'Amore (Illumos) who made sure all his work was done under
BSD license!, Edwin Groothuis (edwin@) for the work he made on tools to be able
to generate locales definition usable in freebsd sources out of vanilla CLDR
definitions, John Marino (DragonflyBSD) who first merge the Illumos work into
Dragonfly and spent hours tracking down bugs.

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Merge from HEAD

POSIX.1-2008 moved some constants from the XSI option to the Base.

MFC after: 2 weeks

Fix some _POSIX minimum/maximum values in limits.h:
* Some values changed in POSIX.1-2001; provide the former value if a program
requests compliance to an earlier version of POSIX. [1]
* Add missin

Fix some _POSIX minimum/maximum values in limits.h:
* Some values changed in POSIX.1-2001; provide the former value if a program
requests compliance to an earlier version of POSIX. [1]
* Add missing _POSIX_CLOCKRES_MIN constant. This is a maximum value but
otherwise works the same as the minimum values.

PR: standards/104743
Submitted by: bde [1] (not exact #ifdefs, but the values)
MFC after: 2 weeks

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Correct value for _POSIX_AIO_LISTIO_MAX in <limits.h>.

All the "Minimum Values" (POSIX.1-2008 XBD 13 Headers <limits.h>) are now
correct. These should all be exactly as they are in the specification

Correct value for _POSIX_AIO_LISTIO_MAX in <limits.h>.

All the "Minimum Values" (POSIX.1-2008 XBD 13 Headers <limits.h>) are now
correct. These should all be exactly as they are in the specification; the
possibly higher values we support are announced differently.

PR: standards/104743
Submitted by: gcooper
MFC after: 2 weeks

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IFH@204581

Remove the Berkeley clause 3's.
Add a few $FreeBSD$