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.

Remov

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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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 s

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/

sh: Avoid some headers when NO_HISTORY is set.

This is more simpler compatibility with using this source on older
systems before libedit was made to install filecomplete.h in
commit b315a7296d2.

sh: Add -o verify to use O_VERIFY when sourcing scripts

Add -o verify to sh to make it use O_VERIFY when
sourcing scripts and reading profiles.

Useful in conjunction with mac_veriexec to help prote

sh: Add -o verify to use O_VERIFY when sourcing scripts

Add -o verify to sh to make it use O_VERIFY when
sourcing scripts and reading profiles.

Useful in conjunction with mac_veriexec to help protect at
least some parts of the boot sequence, e.g., /etc/rc*.

Differential revision: https://reviews.freebsd.org/D30464
Reviewed by: jilles, sjg
Obtained from: Stormshield

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sh: remove duplicate el definition

el is declared extern in myhistedit.h and defined in histedit.c. Remove the
duplicate definition in input.c to appease the -fno-common build.

-fno-common will bec

sh: remove duplicate el definition

el is declared extern in myhistedit.h and defined in histedit.c. Remove the
duplicate definition in input.c to appease the -fno-common build.

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

MFC after: 3 days

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Merge ^/head r340918 through r341763.

sh: Use 126 and 127 exit status for failures opening a script

This affects scripts named on the command line, named with a '.' special
builtin and found via the PATH %func autoloading mechanism.

PR

sh: Use 126 and 127 exit status for failures opening a script

This affects scripts named on the command line, named with a '.' special
builtin and found via the PATH %func autoloading mechanism.

PR: 231986

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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 r295902 through r296006.

MFH

Sponsored by: The FreeBSD Foundation

sh: Fix set -v and multiline history after r295825.

r295825 erroneously dropped the newline from the input data for 'set -v'
output and multiline history.

Reported by: vangyzen

Merge ^/head r295845 through r295901.

MFH

Sponsored by: The FreeBSD Foundation

sh: Remove unnecessary flushouts while reading script.

Output is flushed when a builtin is done or immediately after writing it
(error messages, set -v output, prompts).

Merge ^/head r295601 through r295844.

sh: Rework code to remove '\0' from shell input.

This fixes bugs where '\0' was not removed correctly and speeds up the
parser.

Merge from head@274682

Sync to HEAD@r272516.

IFC @r271694

sh: Remove arbitrary length limit on << EOF markers.

This also simplifies the code.

sh: Add some const keywords.

MFC @ r266724

An SVM update will follow this.

Merge head