Update copyright dates with scripts/update-copyrights

I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines

30 files changed, 30 insertions, 30 deletions

diff --git a/socket/Makefile b/socket/Makefile
index 3759576..39333e1 100644
--- a/socket/Makefile
+++ b/socket/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2021 Free Software Foundation, Inc.
+# Copyright (C) 1991-2022 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/accept.c b/socket/accept.c
index 59f5921..325466e 100644
--- a/socket/accept.c
+++ b/socket/accept.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/accept4.c b/socket/accept4.c
index 4b257fd..a981f2b 100644
--- a/socket/accept4.c
+++ b/socket/accept4.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/bind.c b/socket/bind.c
index d4155b1..6b291d9 100644
--- a/socket/bind.c
+++ b/socket/bind.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/bits/socket2.h b/socket/bits/socket2.h
index b28cde5..0aface5 100644
--- a/socket/bits/socket2.h
+++ b/socket/bits/socket2.h
@@ -1,5 +1,5 @@
 /* Checking macros for socket functions.
-   Copyright (C) 2005-2021 Free Software Foundation, Inc.
+   Copyright (C) 2005-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/connect.c b/socket/connect.c
index 9bf81b3..b05dda9 100644
--- a/socket/connect.c
+++ b/socket/connect.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/getpeername.c b/socket/getpeername.c
index e449a1e..277e818 100644
--- a/socket/getpeername.c
+++ b/socket/getpeername.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/getsockname.c b/socket/getsockname.c
index 7bfdbae..a6f3d7b 100644
--- a/socket/getsockname.c
+++ b/socket/getsockname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/getsockopt.c b/socket/getsockopt.c
index f82b4b5..b88b338 100644
--- a/socket/getsockopt.c
+++ b/socket/getsockopt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/isfdtype.c b/socket/isfdtype.c
index 3deeac1..b64ebde 100644
--- a/socket/isfdtype.c
+++ b/socket/isfdtype.c
@@ -1,5 +1,5 @@
 /* isfdtype - Determine whether descriptor has given property.  Stub version.
-   Copyright (C) 1996-2021 Free Software Foundation, Inc.
+   Copyright (C) 1996-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/listen.c b/socket/listen.c
index f5821f5..de3e545 100644
--- a/socket/listen.c
+++ b/socket/listen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/opensock.c b/socket/opensock.c
index 3e35821..8cf932c 100644
--- a/socket/opensock.c
+++ b/socket/opensock.c
@@ -1,5 +1,5 @@
 /* Create socket with an unspecified address family for use with ioctl.
-   Copyright (C) 1999-2021 Free Software Foundation, Inc.
+   Copyright (C) 1999-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/recv.c b/socket/recv.c
index 56949b7..a13c588 100644
--- a/socket/recv.c
+++ b/socket/recv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/recvfrom.c b/socket/recvfrom.c
index cc83964..65fc830 100644
--- a/socket/recvfrom.c
+++ b/socket/recvfrom.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/recvmmsg.c b/socket/recvmmsg.c
index dd72fe3..e89a037 100644
--- a/socket/recvmmsg.c
+++ b/socket/recvmmsg.c
@@ -1,5 +1,5 @@
 /* Receive multiple messages on a socket.  Stub version.
-   Copyright (C) 2010-2021 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/recvmsg.c b/socket/recvmsg.c
index 36fcf5b..44f0b3a 100644
--- a/socket/recvmsg.c
+++ b/socket/recvmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sa_len.c b/socket/sa_len.c
index e67d9c3..c811b4c 100644
--- a/socket/sa_len.c
+++ b/socket/sa_len.c
@@ -1,5 +1,5 @@
 /* Helper for SA_LEN macro.
-   Copyright (C) 2013-2021 Free Software Foundation, Inc.
+   Copyright (C) 2013-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/send.c b/socket/send.c
index 2fbf3af..87dba5c 100644
--- a/socket/send.c
+++ b/socket/send.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sendmmsg.c b/socket/sendmmsg.c
index bf3bc80..b10329d 100644
--- a/socket/sendmmsg.c
+++ b/socket/sendmmsg.c
@@ -1,5 +1,5 @@
 /* Send multiple messages on a socket.  Stub version.
-   Copyright (C) 2011-2021 Free Software Foundation, Inc.
+   Copyright (C) 2011-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sendmsg.c b/socket/sendmsg.c
index b8be1fb..78e221c 100644
--- a/socket/sendmsg.c
+++ b/socket/sendmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sendto.c b/socket/sendto.c
index c5557ce..d3c6087 100644
--- a/socket/sendto.c
+++ b/socket/sendto.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/setsockopt.c b/socket/setsockopt.c
index 2440670..36d304f 100644
--- a/socket/setsockopt.c
+++ b/socket/setsockopt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/shutdown.c b/socket/shutdown.c
index 39e4939..b39c441 100644
--- a/socket/shutdown.c
+++ b/socket/shutdown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sockatmark.c b/socket/sockatmark.c
index 21fe95e..79d2665 100644
--- a/socket/sockatmark.c
+++ b/socket/sockatmark.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/socket.c b/socket/socket.c
index f811e4b..dc9ce87 100644
--- a/socket/socket.c
+++ b/socket/socket.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/socketpair.c b/socket/socketpair.c
index ccb7759..97de0f2 100644
--- a/socket/socketpair.c
+++ b/socket/socketpair.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sys/socket.h b/socket/sys/socket.h
index bd14e7e..7d5b21a 100644
--- a/socket/sys/socket.h
+++ b/socket/sys/socket.h
@@ -1,5 +1,5 @@
 /* Declarations of socket constants, types, and functions.
-   Copyright (C) 1991-2021 Free Software Foundation, Inc.
+   Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/sys/un.h b/socket/sys/un.h
index 02224f9..454eafe 100644
--- a/socket/sys/un.h
+++ b/socket/sys/un.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/tst-accept4.c b/socket/tst-accept4.c
index 6d2f3df..57f5293 100644
--- a/socket/tst-accept4.c
+++ b/socket/tst-accept4.c
@@ -1,5 +1,5 @@
 /* Test the accept4 function with differing flags arguments.
-   Copyright (C) 2017-2021 Free Software Foundation, Inc.
+   Copyright (C) 2017-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/socket/tst-sockopt.c b/socket/tst-sockopt.c
index f3ce0bc..633257e 100644
--- a/socket/tst-sockopt.c
+++ b/socket/tst-sockopt.c
@@ -1,5 +1,5 @@
 /* Smoke test for socket options.
-   Copyright (C) 2021 Free Software Foundation, Inc.
+   Copyright (C) 2021-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or