sccs: Manual changes

For the uncommon items: Go through the tree and remove sccs tags that
didn't fit any nice pattern. If in the neighborhood, other SCM tags were
removed when they were detritis of

sccs: Manual changes

For the uncommon items: Go through the tree and remove sccs tags that
didn't fit any nice pattern. If in the neighborhood, other SCM tags were
removed when they were detritis of long-ago CVS somehow in the early
mists of the project. Some adjacent copyrights stringswere removed (they
duplicated the copyright notices in the file). This also removed
non-standard formations of omission of SCCS tags (usually by adding an
extra #if 0 somewhere.

After this commit, a number of strings tagged with the 'what' @(#)
prefix remain, but they are primarily copyright notices.

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/

rpcgen: Perform shell-style word expansion on RPCGEN_CPP

Up until recently, CPP has been a list of space-separated words, with no
quotes, backslashes or other characters with special meaning to a sh

rpcgen: Perform shell-style word expansion on RPCGEN_CPP

Up until recently, CPP has been a list of space-separated words, with no
quotes, backslashes or other characters with special meaning to a shell.
However, as of 8fad2cda93c7, (escaped) quotes appear in CPP, and the
rudimentary parser in rpcgen is insufficient, since it will leave the
escaped quotes as escaped rather than performing one level of expansion
as would be done by a shell (whether in a script or a Makefile).

Rather than hack around this in all the places RPCGEN_CPP gets set,
implement proper expansion inside rpcgen. Note that this only deals with
a subset of shell syntax, since we don't handle any of:

| & ; < > ( ) $ ` * ? [ # ˜ = %

having special meaning (with the exception of how a backslash behaves
inside double quotes, where \$ means a literal $ inside double quotes
but \a means a literal \a), instead using their literal value, but those
are all reasonable restrictions, and can be worked around by avoiding
their use; what's important is that we get the quoting and splitting
right.

This fixes -Winvalid-pp-token spew during build${libcompat}.

Reviewed by: brooks
Fixes: 8fad2cda93c7 ("bsd.compat.mk: Provide new CPP and sub-make variables")
Differential Revision: https://reviews.freebsd.org/D41013

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rpcgen: Clarify behaviour for idx

The re-initialisation of idx in the later else branch is a bit hidden,
and results in deviation from the earlier two paths. Use more consistent
code instead to make

rpcgen: Clarify behaviour for idx

The re-initialisation of idx in the later else branch is a bit hidden,
and results in deviation from the earlier two paths. Use more consistent
code instead to make it abundantly clear what's going on.

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Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dea

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dead2.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/735

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rpcgen: Don't free() a pointer after realloc().

A successful realloc() already frees the old pointer.

Reported by: GCC -Wuse-after-free
Reviewed by: brooks, imp, emaste
Differential Revision: https

rpcgen: Don't free() a pointer after realloc().

A successful realloc() already frees the old pointer.

Reported by: GCC -Wuse-after-free
Reviewed by: brooks, imp, emaste
Differential Revision: https://reviews.freebsd.org/D37540

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rpcgen: make compiler arglist allocation dynamic

Limit argmax to an absurdly large value prevent overflow (no overflow
possible on FreeBSD due to ARG_MAX).

In CheriBSD we exceed the 19 non-NULL arg

rpcgen: make compiler arglist allocation dynamic

Limit argmax to an absurdly large value prevent overflow (no overflow
possible on FreeBSD due to ARG_MAX).

In CheriBSD we exceed the 19 non-NULL arguments in the static array. Add
a simple size doubling allocator and increase the default to 32.

GC remnants of support for fixed arguments.

Reviewed by: archardson (prior version), James Clarke (prior version)
MFC after: 1 week
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D21971

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Merge ^/head r327169 through r327340.

Free some variables before they go out of scope.

CID: 92074, 270099

Merge ^/head r303250 through r304235.

MFhead @ r304232

Use nitems() from sys/param.h.

MFC after: 2 weeks.

Use NULL for pointers.

strrchr(3) will return NULL if the character does not appears in
the string.

MFC after: 2 weeks.

MFH

Sponsored by: The FreeBSD Foundation

Cleanup unnecessary semicolons from utilities we all love.

IFC @r269962

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

Merge head from 7/28

Fix some rpcgen sample file issues.

* -Sc was generating code without a return type on main.
* -Sm was generating an unusable clean target due to undefined RM.
* -Sm was generating clean target with

Fix some rpcgen sample file issues.

* -Sc was generating code without a return type on main.
* -Sm was generating an unusable clean target due to undefined RM.
* -Sm was generating clean target with extra preceding space.

PR: 185582
Submitted by: Pawel Biernacki <pawel.biernacki@gmail.com>
MFC after: 1 week

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MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

Merge head up to r262222 (last merge was incomplete).

Generate client sample code which compiles without warnings.
For 'rpcgen -a', generate a makefile where 'make clean all' works.

Merge fresh head.