include: ssp: round out fortification of current set of headers

ssp/ssp.h needed some improvements:
- `len` isn't always a size_t, it may need casted
- In some cases we may want to use a len that

include: ssp: round out fortification of current set of headers

ssp/ssp.h needed some improvements:
- `len` isn't always a size_t, it may need casted
- In some cases we may want to use a len that isn't specified as a
parameter (e.g., L_ctermid), so __ssp_redirect() should be more
flexible.
- In other cases we may want additional checking, so pull all of the
declaration bits out of __ssp_redirect_raw() so that some functions
can implement the body themselves.

strlcat/strlcpy should be the last of the fortified functions that get
their own __*_chk symbols, and these cases are only done to be
consistent with the rest of the str*() set.

Reviewed by: markj
Sponsored by: Klara, Inc.
Sponsored by: Stormshield
Differential Revision: https://reviews.freebsd.org/D45679

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ssp: appease -Wgnu-statement-expression-from-macro-expansion

It's a stupid warning, but some ports enable it by default and were
already defining _FORTIFY_SOURCE, thus exposing the new macros
immedi

ssp: appease -Wgnu-statement-expression-from-macro-expansion

It's a stupid warning, but some ports enable it by default and were
already defining _FORTIFY_SOURCE, thus exposing the new macros
immediately. This at least fixes the libfido2 build, perhaps others as
well.

While we're here, fix a fresh build of stand w/ FORTIFY_SOURCE enabled
by not pulling in the ssp headers if _STANDALONE is defined. We do not
have runtime support in libsa as of the time of writing.

Reported by: netchild
Sponsored by: Stormshield
Sponsored by: Klara, Inc.

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Add a build knob for _FORTIFY_SOURCE

In the future, we will Default to _FORTIFY_SOURCE=2 if SSP is enabled,
otherwise default to _FORTIFY_SOURCE=0. For now we default it to 0
unconditionally to eas

Add a build knob for _FORTIFY_SOURCE

In the future, we will Default to _FORTIFY_SOURCE=2 if SSP is enabled,
otherwise default to _FORTIFY_SOURCE=0. For now we default it to 0
unconditionally to ease bisect across older versions without the new
symbols, and we'll put out a call for testing.

include/*.h include their ssp/*.h equivalents as needed based on the
knob. Programs and users are allowed to override FORTIFY_SOURCE in their
Makefiles or src.conf/make.conf to force it off.

Reviewed by: des, markj
Relnotes: yes
Sponsored by: Stormshield
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D32308

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Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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Fix cstyle warnings

This patch contains no functional changes. It is solely intended
to resolve cstyle warnings in order to facilitate moving the spl
source code in to the zfs repository.

Sign

Fix cstyle warnings

This patch contains no functional changes. It is solely intended
to resolve cstyle warnings in order to facilitate moving the spl
source code in to the zfs repository.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #681

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include: General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manua

include: General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

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.

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Make file headers conform to ZFS style standard

No semantic changes.

Change
/************\
and
\************/

to

/*
and
*/

Signed-off-by: Olaf Faaland <faaland1@llnl.gov>

Merge from head@274682

Reintegrate head@r273095

Sponsored by: The FreeBSD Foundation

Merge HEAD@r272944.

IFC @r272887

Sync to HEAD@r272825.

Add explicit_bzero(3) and its kernel counterpart.

Obtained from: OpenBSD
MFC after: 2 weeks

IFC @r269962

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

Merge head from 7/28

Fix strcasecmp_l() and strncasecmp_l() POSIX 2008 compliance.

POSIX.1-2008 specifies that those two functions should be declared by
including <strings.h>, not <string.h> (the latter only has strcoll

Fix strcasecmp_l() and strncasecmp_l() POSIX 2008 compliance.

POSIX.1-2008 specifies that those two functions should be declared by
including <strings.h>, not <string.h> (the latter only has strcoll_l()
and strxfrm_l()):

http://pubs.opengroup.org/onlinepubs/9699919799/functions/strcasecmp.html

Obtained from: DragonFlyBSD
Reviewed by: theraven
MFC after: 2 weeks

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Merge branch 'build-system'

Refresh links to web site

Update links to refer to the official ZFS on Linux website instead of
@behlendorf's personal fork on github.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

Public Release Prep

Updated AUTHORS, COPYING, DISCLAIMER, and INSTALL files. Added
standardized headers to all source file to clearly indicate the
copyright, license, and to give credit where credi

Public Release Prep

Updated AUTHORS, COPYING, DISCLAIMER, and INSTALL files. Added
standardized headers to all source file to clearly indicate the
copyright, license, and to give credit where credit is due.

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IFH@204581

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

This should read #if __BSD_VISIBLE instead of #ifdef __BSD_VISIBLE.

Merge from head

Update the projects tree to a newer FreeBSD current.