CVS log for src/lib/libc/gen/sysctlgetmibinfo.c

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Catch up with all the lint warnings since exit on warning was disabled.
Disable 'missing header declaration' and 'nested extern' warnings for now.

lib: remove CONSTCOND comment

Since 2021-01-31, lint doesn't need it anymore for the common pattern of
'do ... while (0)'.

Mostly merge changes from HEAD upto 20200411

Pull up following revision(s) (requested by kamil in ticket #126):

	external/bsd/compiler_rt/lib/clang/lib/netbsd/ubsan_minimal-m64/Makefile: revision 1.3
	external/bsd/compiler_rt/lib/clang/lib/netbsd/msan_cxx-m64/Makefile: revision 1.3
	external/gpl2/lvm2/lvm2tools.mk: revision 1.5
	common/lib/libc/gmon/mcount.c: revision 1.14
	Makefile: revision 1.331
	share/mk/Makefile: revision 1.51
	external/bsd/fetch/lib/Makefile: revision 1.12
	external/bsd/compiler_rt/lib/clang/lib/netbsd/asan_cxx-m64/Makefile: revision 1.3
	tests/lib/libc/net/Makefile: revision 1.12
	external/bsd/compiler_rt/lib/clang/lib/netbsd/ubsan_standalone_cxx-m64/Makefile: revision 1.3
	external/bsd/compiler_rt/lib/clang/lib/netbsd/msan-m64/Makefile: revision 1.3
	distrib/sets/lists/base/mi: revision 1.1213
	share/mk/bsd.lib.mk: revision 1.380
	external/bsd/compiler_rt/lib/clang/lib/netbsd/ubsan_standalone-m64/Makefile: revision 1.3
	external/bsd/compiler_rt/lib/clang/lib/netbsd/asan-m64/Makefile: revision 1.3
	share/mk/bsd.sanitizer.mk: revision 1.1
	share/mk/bsd.prog.mk: revision 1.323
	external/bsd/compiler_rt/lib/clang/lib/netbsd/tsan-m64/Makefile: revision 1.3
	external/bsd/compiler_rt/lib/clang/lib/netbsd/tsan_cxx-m64/Makefile: revision 1.3
	lib/libc/gen/sysctlgetmibinfo.c: revision 1.14

Enhance the support of LLVM sanitizers

Define _REENTRANT for MKSANITIZER build. This is needed for at least stdio
code. This caused new build issued with duplicated symbols in few places
and rump kernel code picking different code paths borrowed from libc.

Handle all this in one go.

Add bsd.sanitizer.mk to share common code used by programs and libraries.

Switch from realall to beforeinstall target in .syms files. This is more
reliable in MKSANITIZER.

Enhance the support of LLVM sanitizers

Define _REENTRANT for MKSANITIZER build. This is needed for at least stdio
code. This caused new build issued with duplicated symbols in few places
and rump kernel code picking different code paths borrowed from libc.
Handle all this in one go.

Add bsd.sanitizer.mk to share common code used by programs and libraries.

Switch from realall to beforeinstall target in .syms files. This is more
reliable in MKSANITIZER.

Sync with HEAD

Be more careful about preserving errno. Might conceivably be related
to PR 51432.

Be consistent about returning -1 on error. Don't return random errnos
instead.

Rebase to HEAD as of a few days ago.

Rebase.

Get rid of all sysc_init_field uses - initialize fields directly in C99
notation.

sync with head

PR/45989: Martin Husemann: lint invocation does include -w only on i386

- turn lint -w for all the platforms after fixing the lint warnings.
- add _DIAGASSERTS() for casts that would assign values to types that
  would not fit.
- change types, add casts
- change into ansii prototypes
- turn on _DIAGNOSTIC for libc (during current, to be eliminated for release
  builds)

approved by core@

Don't __weak_alias non-existent symbols.  Apparently the alpha
compiler doesn't like it.

make sysctl(8) work as a rump client

Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html

sign-compare fixes

sync with head.

Convert to new 2 clause license

file sysctlgetmibinfo.c was added on branch christos-time_t on 2008-04-29 06:53:02 +0000

Convert to new 2 clause license

Add missing __RCSID()

Use strtoimax(), incidentally removing the only libc-internal use of
strtoq().

Pull up revision 1.3 (requested by atatat in ticket #90)

Weak aliases for sysctlfoobar() functions.

Weak aliases for sysctlfoobar() functions.

Introduce sysc_init_field() and use it to make the code a little less ugly.
Also, fix another gcc2-unfriendly initialization.

Move sysctlbyname(), sysctlnametomib(), and sysctlgetmibinfo() from
sysctl(8) into libc, making the minor number jump.  Add prototypes to
sys/sysctl.h, fix sets, modify man pages, etc.  That oughta cover it.