usr.bin: 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.

R

usr.bin: 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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usr.bin: 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

usr.bin: 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 .c pattern

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

indent(1): add fallthrough markers

This silences -Wimplicit-fallthrough warnings.

Submitted by: Michael Paquier
Obtained from: postgresql.org
MFC after: 3 days

indent: fix the -fno-common build

Spread the globals far and wide, hopefully to the files that make the most
sense.

-fno-common will become the default in GCC10/LLVM11.

MFC after: 3 days

Merge ^/head r337646 through r338014.

indent(1): revert r334640 and r334632

While STACKSIZE macro is indeed problematic on some systems, the commits
were wrong to shrink il[] and cstk[], because they need to be of the same
size as p_sta

indent(1): revert r334640 and r334632

While STACKSIZE macro is indeed problematic on some systems, the commits
were wrong to shrink il[] and cstk[], because they need to be of the same
size as p_stack[] as they're accessed with the same index ps.tos.

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indent(1): move case_indent from parser state to the options struct

This was missed in r334927.

indent(1): group global option variables into an options structure

It's clearer now when a variable represents a toggable command line option.

Many options were stored in the parser's state structu

indent(1): group global option variables into an options structure

It's clearer now when a variable represents a toggable command line option.

Many options were stored in the parser's state structure, so fix also that.

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indent(1): fix buildworld after r334632

Fix
error: comparison of integers of different signs: 'int' and 'unsigned long'
by casting nitems() to int.

Reported by: mjg

indent(1): remove the STACKSIZE macro and all of its use

It conflicts with a system-provided macro of the same name on another OS.

Merge ^/head r325842 through r325998.

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensou

spdx: initial adoption of licensing ID tags.

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.

Initially, only tag files that use BSD 4-Clause "Original" license.

RelNotes: yes
Differential Revision: https://reviews.freebsd.org/D13133

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Merge ^/head r309263 through r309518.

indent(1): Avoid out-of-bound accesses of array ps.p_stack.

Submitted by: Piotr Stefaniak

indent(1): Remove an extra newline added in a previous commit.

It doesn't math the remaining of the case statement.

indent(1): Optimize parser stack usage.

When special else-if processing is enabled (-ei), we can assume "else if"
and "if" to be equivalent for indentation purposes.
This reduction saves a lot of st

indent(1): Optimize parser stack usage.

When special else-if processing is enabled (-ei), we can assume "else if"
and "if" to be equivalent for indentation purposes.
This reduction saves a lot of stack space in case of a long "if-else-if
... else-if" sequence; with this change,
Postgres/src/bin/psql/tab-complete.c as of 9.6beta3
requires minimum of the stack length to be 31 instead of 444.

Submitted by: Piotr Sephaniak

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Merge ^/head r309213 through r309262.

indent(1): minor off-by-one error.

This was introduced in r303571.

Obtianed from: Piotr Stefaniak

MFhead @ r304815

Merge ^/head r304537 through r304699.

indent(1): add some comments to quiet down Coverity.

Hopefully adding comments should help explain the code to both static
checkers and humans.

CID: 976543, 976544, 976545
Obtained from: Piotr Step

indent(1): add some comments to quiet down Coverity.

Hopefully adding comments should help explain the code to both static
checkers and humans.

CID: 976543, 976544, 976545
Obtained from: Piotr Stephaniak

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Merge ^/head r303250 through r304235.

indent(1): Use a dash in the license headers.

Use of the canonical dash avoids indent(1) from reformatting the
license headers.

indent(1): Bail out if there's no more space on the parser stack.

Also increase the stack size still keeping a conservative value of 256.
This is based on a similar changes done for PostgreSQL which

indent(1): Bail out if there's no more space on the parser stack.

Also increase the stack size still keeping a conservative value of 256.
This is based on a similar changes done for PostgreSQL which instead
uses a stack size of 1000.

Differential Revision: https://reviews.freebsd.org/D6966 (Partial)
Submitted by: Piotr Stefaniak (with changes)

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