sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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sys: 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 s

sys: 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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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

bpf(3): Grammar fix for a source code comment

- s/that that/that the/

MFC after: 3 days

Merge ^/head r325999 through r326131.

sys: 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

sys: 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 r318380 through r318559.

Remove register keyword from sys/ and ANSIfy prototypes

A long long time ago the register keyword told the compiler to store
the corresponding variable in a CPU register, but it is not relevant
for

Remove register keyword from sys/ and ANSIfy prototypes

A long long time ago the register keyword told the compiler to store
the corresponding variable in a CPU register, but it is not relevant
for any compiler used in the FreeBSD world today.

ANSIfy related prototypes while here.

Reviewed by: cem, jhb
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D10193

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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 ^/head r307383 through r307735.

Implement BPF_MOD and BPF_XOR instructions.

These two ALU instructions first appeared on Linux. Then, libpcap adopted
and made them available since 1.6.2. Now more platforms including NetBSD
have

Implement BPF_MOD and BPF_XOR instructions.

These two ALU instructions first appeared on Linux. Then, libpcap adopted
and made them available since 1.6.2. Now more platforms including NetBSD
have them in kernel. So do we.
--이 줄 이하는 자동으로 제거됩니다--

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MFH

Sponsored by: The FreeBSD Foundation

sys/net* : for pointers replace 0 with NULL.

Mostly cosmetical, no functional change.

Found with devel/coccinelle.

MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

Merge head up to r263906.

Include strings.h so that bpf_filter.c can be built in userland.

This is to bring in a definition for bzero(3), which in turn allows the
tests in tools/regression/bpf/ to build again.

IFC @ r224187

Integrate from Head into ZFSD feature branch as of revision r224141.

Clear the filter memory area before using it. Leaving it uninitialized may
leak previous kernel stack contents through a malicioius BPF filter.

PR: kern/158880
Submitted by: Guy Harris
Obtained fro

Clear the filter memory area before using it. Leaving it uninitialized may
leak previous kernel stack contents through a malicioius BPF filter.

PR: kern/158880
Submitted by: Guy Harris
Obtained from: OpenBSD
MFC after: 1 week

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Fix the last missing parentheses for a return statement in bpf_filter.c.

More convergence towards style(9).

- Directly match code wherever possible instead of using macros.
- Macrofy bitmap table lookup. Constify the table while I am here.
- Add missing continue statements in the for loop.

Functionally i

- Directly match code wherever possible instead of using macros.
- Macrofy bitmap table lookup. Constify the table while I am here.
- Add missing continue statements in the for loop.

Functionally it should be the last remaining fix from:

PR: kern/89752
MFC after: 1 month

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