libgeom: Consistently use item count as the first argument to calloc

Reported by: GCC 14 -Wcalloc-transposed-args
Reviewed by: rlibby, imp, emaste
Differential Revision: https://reviews.freebsd.org/

libgeom: Consistently use item count as the first argument to calloc

Reported by: GCC 14 -Wcalloc-transposed-args
Reviewed by: rlibby, imp, emaste
Differential Revision: https://reviews.freebsd.org/D46006

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Remove $FreeBSD$: two-line .h pattern

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

spdx: The BSD-3-Clause-FreeBSD identifier never was, drop -FreeBSD

There never was a BSD-3-Clause-FreeBSD SPDX identifier. Replace it
with BSD-3-Clause.

Discussed with: pfg
MFC After: 3 days
Spon

spdx: The BSD-3-Clause-FreeBSD identifier never was, drop -FreeBSD

There never was a BSD-3-Clause-FreeBSD SPDX identifier. Replace it
with BSD-3-Clause.

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

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GEOM: Fix regression after 7f16b501e25.

find_geom() in some classes trim leading "/dev/" from geom names.
Lack of that in geom_gettree_geom() broke some existing scripts.

PR: 262554
MFC after: 2 m

GEOM: Fix regression after 7f16b501e25.

find_geom() in some classes trim leading "/dev/" from geom names.
Lack of that in geom_gettree_geom() broke some existing scripts.

PR: 262554
MFC after: 2 months

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GEOM: Introduce partial confxml API

Traditionally the GEOM's primary channel of information from kernel to
user-space was confxml, fetched by libgeom through kern.geom.confxml
sysctl. It is conveni

GEOM: Introduce partial confxml API

Traditionally the GEOM's primary channel of information from kernel to
user-space was confxml, fetched by libgeom through kern.geom.confxml
sysctl. It is convenient and informative, representing full state of
GEOM in a single XML document. But problems start to arise on systems
with hundreds of disks, where the full confxml size reaches many
megabytes, taking significant time to first write it and then parse.

This patch introduces alternative solution, allowing to fetch much
smaller XML document, subset of the full confxml, limited to 64KB and
representing only one specified geom and optionally its parents. It
uses existing GEOM control interface, extended with new "getxml" verb.
In case of any error, such as the buffer overflow, it just transparently
falls back to traditional full confxml. This patch uses the new API in
user-space GEOM tools where it is possible.

Reviewed by: imp
MFC after: 2 month
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D34529

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[skip ci] correct a few SPDX license tags

These were all incorrectly labeled as 2-clause BSD licenses by a
semi-automated process, when in fact they are 3-clause.

Discussed with: pfg, imp
MFC after

[skip ci] correct a few SPDX license tags

These were all incorrectly labeled as 2-clause BSD licenses by a
semi-automated process, when in fact they are 3-clause.

Discussed with: pfg, imp
MFC after: 2 weeks
Sponsored by: Axcient

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lib: 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
pr

lib: 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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Merge from head

Sponsored by: Gandi.net

Merge from head

Finish merging from head, messed up in previous attempt

Merge r286744-r287584 from head.

Merge ^/head r286858 through r287489.

Plug memory leaks when running out of memory.

Reported by: clang scan-build
MFC after: 2 weeks

Merge from HEAD

Merge ^/head r286697 through r286857.

Catch up with head, primarily for the 1.14.4.0 firmware.

Revert part of r280687, reporting "1" (true) for empty value.

For example, it made gpart partitions without label report "1" as label.

PR: 202089
MFC after: 3 days

Catch up with HEAD (r280229-r284686).

Merge sync of head

Merge from head

MFH: r281855-r282312

Sponsored by: The FreeBSD Foundation

libgeom: plug memory leak in EndElement.

CID: 1016696
Found by: Clang static checker
MFC after: 1 week

MFH: r280643-r281852

Sponsored by: The FreeBSD Foundation

Merge from HEAD

Make GEOM_PART work in presence of previous withered self.

MFC after: 2 weeks
Sponsored by: iXsystems, Inc.