Update copyrights to 2020.
diff --git a/debian/copyright b/debian/copyright
index d516e43..a6f9abd 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+dnsmasq is Copyright (c) 2000-2020 Simon Kelley
It was downloaded from: http://www.thekelleys.org.uk/dnsmasq/
diff --git a/debian/rules b/debian/rules
index fcb02c4..fe5253d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,6 +1,6 @@
#!/usr/bin/make -f
# debian/rules file - for dnsmasq.
-# Copyright 2001-2018 by Simon Kelley
+# Copyright 2001-2020 by Simon Kelley
# Based on the sample in the debian hello package which carries the following:
# Copyright 1994,1995 by Ian Jackson.
# I hereby give you perpetual unlimited permission to copy,
diff --git a/src/arp.c b/src/arp.c
index 6cfe014..3329d6d 100644
--- a/src/arp.c
+++ b/src/arp.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/auth.c b/src/auth.c
index 854af0d..4daae30 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/blockdata.c b/src/blockdata.c
index e6e625f..f33b28e 100644
--- a/src/blockdata.c
+++ b/src/blockdata.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/bpf.c b/src/bpf.c
index 982318d..0ac1c8f 100644
--- a/src/bpf.c
+++ b/src/bpf.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/cache.c b/src/cache.c
index 720508f..30c9c41 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/config.h b/src/config.h
index f93076d..b002560 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/conntrack.c b/src/conntrack.c
index d41de54..33f5ceb 100644
--- a/src/conntrack.c
+++ b/src/conntrack.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/crypto.c b/src/crypto.c
index fecc64a..6934d74 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dbus.c b/src/dbus.c
index c0ce903..4123391 100644
--- a/src/dbus.c
+++ b/src/dbus.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dhcp-common.c b/src/dhcp-common.c
index 602873e..dc7f945 100644
--- a/src/dhcp-common.c
+++ b/src/dhcp-common.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dhcp-protocol.h b/src/dhcp-protocol.h
index 389c85e..e9007c8 100644
--- a/src/dhcp-protocol.h
+++ b/src/dhcp-protocol.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dhcp.c b/src/dhcp.c
index cc93f89..bea4688 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dhcp6-protocol.h b/src/dhcp6-protocol.h
index fee5d28..de89164 100644
--- a/src/dhcp6-protocol.h
+++ b/src/dhcp6-protocol.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dhcp6.c b/src/dhcp6.c
index d7b4e8b..041ad07 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dns-protocol.h b/src/dns-protocol.h
index 523763c..8edb9f3 100644
--- a/src/dns-protocol.h
+++ b/src/dns-protocol.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index 4a733ee..755bda9 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index ce8fbd6..f065132 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#define COPYRIGHT "Copyright (c) 2000-2018 Simon Kelley"
+#define COPYRIGHT "Copyright (c) 2000-2020 Simon Kelley"
/* We do defines that influence behavior of stdio.h, so complain
if included too early. */
diff --git a/src/dnssec.c b/src/dnssec.c
index df9aecc..6824e0a 100644
--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -1,5 +1,5 @@
/* dnssec.c is Copyright (c) 2012 Giovanni Bajo <rasky@develer.com>
- and Copyright (c) 2012-2018 Simon Kelley
+ and Copyright (c) 2012-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/domain.c b/src/domain.c
index 711fe60..3dc96ab 100644
--- a/src/domain.c
+++ b/src/domain.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/dump.c b/src/dump.c
index 1ca8011..d7ed774 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/edns0.c b/src/edns0.c
index 2935a74..d75d3cc 100644
--- a/src/edns0.c
+++ b/src/edns0.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/forward.c b/src/forward.c
index e4745a3..783d247 100644
--- a/src/forward.c
+++ b/src/forward.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/helper.c b/src/helper.c
index 62ac9cf..1b260a1 100644
--- a/src/helper.c
+++ b/src/helper.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/inotify.c b/src/inotify.c
index 7107833..d5804cb 100644
--- a/src/inotify.c
+++ b/src/inotify.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/ip6addr.h b/src/ip6addr.h
index 6f6dff7..352b330 100644
--- a/src/ip6addr.h
+++ b/src/ip6addr.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/lease.c b/src/lease.c
index 081d90e..0035d40 100644
--- a/src/lease.c
+++ b/src/lease.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/log.c b/src/log.c
index d0d4780..dbd6bd4 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/loop.c b/src/loop.c
index 0b47a2f..78e1238 100644
--- a/src/loop.c
+++ b/src/loop.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/metrics.c b/src/metrics.c
index 8672807..79f20b0 100644
--- a/src/metrics.c
+++ b/src/metrics.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/metrics.h b/src/metrics.h
index 268e075..ccc92a8 100644
--- a/src/metrics.h
+++ b/src/metrics.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/netlink.c b/src/netlink.c
index eaa772d..b63e8b6 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/network.c b/src/network.c
index c1077b4..e656ceb 100644
--- a/src/network.c
+++ b/src/network.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/option.c b/src/option.c
index 6038fa5..80496fa 100644
--- a/src/option.c
+++ b/src/option.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/outpacket.c b/src/outpacket.c
index d20bd33..50513dc 100644
--- a/src/outpacket.c
+++ b/src/outpacket.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/poll.c b/src/poll.c
index 0d8382f..24d01bb 100644
--- a/src/poll.c
+++ b/src/poll.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/radv-protocol.h b/src/radv-protocol.h
index 2ca9ec7..edc1532 100644
--- a/src/radv-protocol.h
+++ b/src/radv-protocol.h
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/radv.c b/src/radv.c
index 966966e..cd5853a 100644
--- a/src/radv.c
+++ b/src/radv.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/rfc1035.c b/src/rfc1035.c
index 24b778a..6054f3b 100644
--- a/src/rfc1035.c
+++ b/src/rfc1035.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/rfc2131.c b/src/rfc2131.c
index 033c5db..55fedcc 100644
--- a/src/rfc2131.c
+++ b/src/rfc2131.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/rfc3315.c b/src/rfc3315.c
index 2ef9073..ec42276 100644
--- a/src/rfc3315.c
+++ b/src/rfc3315.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/rrfilter.c b/src/rrfilter.c
index f5b9c61..16e6b55 100644
--- a/src/rrfilter.c
+++ b/src/rrfilter.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/slaac.c b/src/slaac.c
index 3042bb8..4a3e01d 100644
--- a/src/slaac.c
+++ b/src/slaac.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/tftp.c b/src/tftp.c
index 3af2937..92de357 100644
--- a/src/tftp.c
+++ b/src/tftp.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/ubus.c b/src/ubus.c
index c2cca22..79e2563 100644
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/util.c b/src/util.c
index 3806972..73bf62a 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2020 Simon Kelley
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by