stddef.h/stdlib.h: Remove unused rune_t

This non-standard type is unused in the base system (__ct_rune_t or
__rune_t are used instead) and ports. It has been around as long as our
current source re

stddef.h/stdlib.h: Remove unused rune_t

This non-standard type is unused in the base system (__ct_rune_t or
__rune_t are used instead) and ports. It has been around as long as our
current source repo, but we have avoided using it. In sys/_types.h
where the __*rune_t typedefs are defined, the following appears in a
comment:

NOTE: rune_t is not covered by ANSI nor other standards, and should
not be instantiated outside of lib/libc/locale. Use wchar_t.

The definition of this unused type meant we gratutiously differed from
standards compliant stddef.h/stdlib.h.

PR: 279357 (exp-run by antoine)

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D45426

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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 $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\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

Vendor import of libc++ trunk r351319 (just before the release_80
branch point):
https://llvm.org/svn/llvm-project/libcxx/trunk@351319

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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Merge ^/head r323559 through r325504.

MFhead@r324837

While here, diff reduce some of the changes in sys/boot by moving
MK_COVERAGE=no to sys/boot/Makefile.inc .

Sync (make same) the offsetof macro definition in include/ with the
definition of the same in sys/sys/. The problem was discovered while
working on implementing a new C11 gets_s() for libc. (The new

Sync (make same) the offsetof macro definition in include/ with the
definition of the same in sys/sys/. The problem was discovered while
working on implementing a new C11 gets_s() for libc. (The new gets_s()
requires rsize_t found in include/stddef.h.) The solution to sync the two
definitions was suggested by ed@ while discussing D12667.

Suggested by: ed
MFC after: 2 weeks

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MFhead@r320180

Merge ^/head r319973 through 321382.

Merge ^/head r320042 through r320397.

Use __ISO_C_VISIBLE, as opposed to testing __STDC_VERSION__.

FreeBSD's C library uses __STDC_VERSION__ to determine whether the
compiler provides language features specific to a certain version of t

Use __ISO_C_VISIBLE, as opposed to testing __STDC_VERSION__.

FreeBSD's C library uses __STDC_VERSION__ to determine whether the
compiler provides language features specific to a certain version of the
C standard. __ISO_C_VISIBLE is used to specify which library features
need to be exposed.

max_align_t currently uses __STDC_VERSION__, even though it should be
using __ISO_C_VISIBLE to remain consistent with the rest of the headers
in include/.

Reviewed by: dim
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D11303

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Vendor import of libc++ trunk r300422:
https://llvm.org/svn/llvm-project/libcxx/trunk@300422

Implement the memset_s(3) function as specified by the C11 ISO/IEC
9899:2011 Appendix K 3.7.4.1.

Other needed supporting types, defines and constraint_handler
infrastructure is added as specified in

Implement the memset_s(3) function as specified by the C11 ISO/IEC
9899:2011 Appendix K 3.7.4.1.

Other needed supporting types, defines and constraint_handler
infrastructure is added as specified in the C11 spec.

Submitted by: Tom Rix <trix@juniper.net>
Sponsored by: Juniper Networks
Discussed with: ed
MFC after: 3 weeks
Differential revision: https://reviews.freebsd.org/D9903
Differential revision: https://reviews.freebsd.org/D10161

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Merge ^/head r309263 through r309518.

Use the correct name for the GCC macro indicating max_align_t is defined.

MFC after: 3 days

Merge ^/head r307736 through r308146.

Define max_align_t for C11.

libc++'s stddef.h includes an existing definition of max_align_t for
C++11, but it is only defined for C++, not for C. In addition, GCC and
clang both define an alternat

Define max_align_t for C11.

libc++'s stddef.h includes an existing definition of max_align_t for
C++11, but it is only defined for C++, not for C. In addition, GCC and
clang both define an alternate version of max_align_t that uses a
union of multiple types rather than a plain long double as in libc++.
This adds a __max_align_t to <sys/_types.h> that matches the GCC and
clang definition that is mapped to max_align_t in <stddef.h>.

PR: 210890
Reviewed by: dim
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D8194

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Vendor import of libc++ trunk r256633:
https://llvm.org/svn/llvm-project/libcxx/trunk@256633

Merge from head@274682

IFC @r271694

Sync to HEAD@r270409.

Add guards to ptrdiff_t definition in include/stddef.h

Back in 2011 obrien has added the #define macro in sys/sys/stddef.h to
guard ptrdiff_t. Add similar protection to the identical code in
include

Add guards to ptrdiff_t definition in include/stddef.h

Back in 2011 obrien has added the #define macro in sys/sys/stddef.h to
guard ptrdiff_t. Add similar protection to the identical code in
include/stddef.h.

Submitted by: Mariusz Zaborski <oshogbo@FreeBSD.org>
MFC after: 1 week

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