Purge more stray embedded $FreeBSD$ strings

These do not use __FBSDID but instead use bare char arrays.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41957

spdx: The BSD-2-Clause-NetBSD identifier is obsolete, drop -NetBSD

The SPDX folks have obsoleted the BSD-2-Clause-NetBSD identifier. Catch
up to that fact and revert to their recommended match of BS

spdx: The BSD-2-Clause-NetBSD identifier is obsolete, drop -NetBSD

The SPDX folks have obsoleted the BSD-2-Clause-NetBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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Merge ^/head r339015 through r339669.

Prevent flex(1) from generating calls to isatty(3) - and, in turn,
TIOCGETA ioctls - when parsing nsswitch.conf(5).

Reviewed by: imp, markj
Approved by: re (gjb)
MFC after: 2 weeks
Sponsored by: DAR

Prevent flex(1) from generating calls to isatty(3) - and, in turn,
TIOCGETA ioctls - when parsing nsswitch.conf(5).

Reviewed by: imp, markj
Approved by: re (gjb)
MFC after: 2 weeks
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D17564

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libc: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
p

libc: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

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.

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Merge from head

Sponsored by: Gandi.net

Merge from head

Merge from head

Sync up with head (up to r288341).

Merge ^/head r288035 through r288099.

Use ANSI C prototypes. Eliminates -Wold-style-definition warnings.

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

Remove clause 3 and 4 from TNF licenses

Per the NetBSD Foundation statement
Third parties are encouraged to change the license on any files which
have a 4-clause license contributed to the NetBS

Remove clause 3 and 4 from TNF licenses

Per the NetBSD Foundation statement
Third parties are encouraged to change the license on any files which
have a 4-clause license contributed to the NetBSD Foundation to a
2-clause license.

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Improve compatibility with recent flex from flex.sourceforge.net.

Clang related fixes:
* When calling syslog(), pass a format string.
* Define YY_NO_INPUT on nslexer.l

Submitted by: Norberto Lopes <nlopes.ml at gmail.com>

= Implement name service switch modules (NSS modules). NSS modules
may be built into libc (`static NSS modules') or dynamically loaded
via dlopen (`dynamic NSS modules'). Modules are loaded/ini

= Implement name service switch modules (NSS modules). NSS modules
may be built into libc (`static NSS modules') or dynamically loaded
via dlopen (`dynamic NSS modules'). Modules are loaded/initialized
at configuration time (i.e. when nsdispatch is called and nsswitch.conf
is read or re-read).

= Make the nsdispatch(3) core thread-safe.

= New status code for nsdispatch(3) `NS_RETURN', currently used to
signal ERANGE-type issues.

= syslog(3) problems, don't warn/err/abort.

= Try harder to avoid namespace pollution.

= Implement some shims to assist in porting NSS modules written for
the GNU C Library nsswitch interface.

Sponsored by: DARPA, Network Associates Laboratories

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Eliminate 19 warnings in libc (at level WARNS=2) of the
`implicit declaration of function' variety.

Fixed namespace pollution related to `err' in libc in the same way as for
`warn'. Now a whole 2 members of the err() family don't cause pollution.

This fixes world breakage in awk for NOSHARED worl

Fixed namespace pollution related to `err' in libc in the same way as for
`warn'. Now a whole 2 members of the err() family don't cause pollution.

This fixes world breakage in awk for NOSHARED worlds. contrib/awk/msg.c
has had its own version of err() for a long time, but this somehow
didn't cause problems until the update to awk-3.1.0.

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Don't ignore unknown characters. The previous code treated a line like:

hosts:!!!!!!!!@@@@@$%^&*()()*$(files{}{}|||++!)(dns

exactly the same as:

hosts: files dns

Recover from parse errors by loo

Don't ignore unknown characters. The previous code treated a line like:

hosts:!!!!!!!!@@@@@$%^&*()()*$(files{}{}|||++!)(dns

exactly the same as:

hosts: files dns

Recover from parse errors by looking for the end of a line; this
allows entries without errors to still be parsed even if there is
an erroneous entry earlier in the file.

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Add nsswitch support. By creating an /etc/nsswitch.conf file, you can
configure FreeBSD so that various databases such as passwd and group can be
looked up using flat files, NIS, or Hesiod.

= Hesio

Add nsswitch support. By creating an /etc/nsswitch.conf file, you can
configure FreeBSD so that various databases such as passwd and group can be
looked up using flat files, NIS, or Hesiod.

= Hesiod has been added to libc (see hesiod(3)).

= A library routine for parsing nsswitch.conf and invoking callback
functions as specified has been added to libc (see nsdispatch(3)).

= The following C library functions have been modified to use nsdispatch:
. getgrent, getgrnam, getgrgid
. getpwent, getpwnam, getpwuid
. getusershell
. getaddrinfo
. gethostbyname, gethostbyname2, gethostbyaddr
. getnetbyname, getnetbyaddr
. getipnodebyname, getipnodebyaddr, getnodebyname, getnodebyaddr

= host.conf has been removed from src/etc. rc.network has been modified
to warn that host.conf is no longer used at boot time. In addition, if
there is a host.conf but no nsswitch.conf, the latter is created at boot
time from the former.

Obtained from: NetBSD

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= Implement name service switch modules (NSS modules). NSS modules
may be built into libc (`static NSS modules') or dynamically loaded
via dlopen (`dynamic NSS modules'). Modules are loaded/ini

= Implement name service switch modules (NSS modules). NSS modules
may be built into libc (`static NSS modules') or dynamically loaded
via dlopen (`dynamic NSS modules'). Modules are loaded/initialized
at configuration time (i.e. when nsdispatch is called and nsswitch.conf
is read or re-read).

= Make the nsdispatch(3) core thread-safe.

= New status code for nsdispatch(3) `NS_RETURN', currently used to
signal ERANGE-type issues.

= syslog(3) problems, don't warn/err/abort.

= Try harder to avoid namespace pollution.

= Implement some shims to assist in porting NSS modules written for
the GNU C Library nsswitch interface.

Sponsored by: DARPA, Network Associates Laboratories

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Eliminate 19 warnings in libc (at level WARNS=2) of the
`implicit declaration of function' variety.