Remove $FreeBSD$: one-line .c pattern

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

dhclient: fix time parsing for leases expiring after 2038

Convert lease parsing to timegm to calculate timestamp. For reference, when
writing the lease, we use gmtime to convert the timestamp to str

dhclient: fix time parsing for leases expiring after 2038

Convert lease parsing to timegm to calculate timestamp. For reference, when
writing the lease, we use gmtime to convert the timestamp to struct tm.

Reviewed By: markj, vangyzen
MFC after: 2 weeks
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D40760

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Merge ^/head r327624 through r327885.

dhclient(8): add missing include

stdbool is technically needed, though we can get away without it due to
header pollution.

MFC after: 3 days

dhclient(8): raise WARNS to 3

Mostly had to fix a lot of signed/unsigned comparison warnings

MFC after: 3 weeks
Sponsored by: Spectra Logic Corp

Merge ^/head r325999 through r326131.

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier f

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

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.

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Merge ^/head r319251 through r319479.

parse.c parse_string
When parse_semi fails, free s before returning

parse.c parse_numeric_aggregate
The memory assigned to bufp is complicated, it can either be from the input
parameter buf or alloc

parse.c parse_string
When parse_semi fails, free s before returning

parse.c parse_numeric_aggregate
The memory assigned to bufp is complicated, it can either be from the input
parameter buf or allocated locally. Introduce a new variable lbufp to track
when it is assigned locally and to free it when appropriate.

Submitted by: Thomas Rix <trix@juniper.net>
Reviewed by: jhb
Approved by: sjg (mentor)
Obtained from: Juniper Networks, Inc.
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D9899

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IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

In sbin/dhclient, since we know the size of the source strings anyway,
we might as well use memcpy; strlcpy is really unnecessary here.

MFC after: 1 week

In sbin/dhclient, work around warnings about the size argument to
strlcpy appearing to be the size of the source buffer, instead of the
destination.

MFC after: 1 week

Add __FBSDID to all .c files in dhclient to aid in determining file
versions when dealing with user problems.

NULL is not a valid time_t.

Submitted by: sam

Import the OpenBSD dhclient as shipped with OpenBSD-3.7 (the tag
OPENBSD_3_7).

This commit was generated by cvs2svn to compensate for changes in r147072,
which included commits to RCS files with non-trunk default branches.

Add __FBSDID to all .c files in dhclient to aid in determining file
versions when dealing with user problems.

NULL is not a valid time_t.

Submitted by: sam

Import the OpenBSD dhclient as shipped with OpenBSD-3.7 (the tag
OPENBSD_3_7).

This commit was generated by cvs2svn to compensate for changes in r147072,
which included commits to RCS files with non-trunk default branches.