misc: Update the copyrights of files

The copyrights of the source files were all out of date and were not
the same format. This has been corrected. The source of the authors
was examining the git log for each file.

Signed-off-by: Craig Small <csmall@dropbear.xyz>

14 files changed, 82 insertions, 53 deletions

diff --git a/src/free.c b/src/free.c
index 73405dd..58799bb 100644
--- a/src/free.c
+++ b/src/free.c
@@ -1,15 +1,12 @@
 /*
- * free.c - free(1)
- * procps-ng utility to display free memory information
+ * free.c - display free memory information
  *
- * Copyright (C) 1992-2012
- *
- * Mostly new, Sami Kerola <kerolasa@iki.fi>		15 Apr 2011
- * All new, Robert Love <rml@tech9.net>			18 Nov 2002
- * Original by Brian Edmonds and Rafal Maszkowski	14 Dec 1992
- *
- * Copyright 2003 Robert Love
- * Copyright 2004 Albert Cahalan
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2012-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2004      Albert Cahalan
+ * Copyright © 2002-2003 Robert Love <rml@tech9.net>
+ * Copyright © 1992      Brian Edmonds and Rafal Maszkowski
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/src/kill.c b/src/kill.c
index 8c85970..612a9b5 100644
--- a/src/kill.c
+++ b/src/kill.c
@@ -1,6 +1,8 @@
 /*
  * kill.c - send a signal to process
- * Copyright 1998-2002 by Albert Cahalan
+ *
+ * Copyright © 1995-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 1998-2002 Albert Cahalan
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/pgrep.c b/src/pgrep.c
index 6679a8c..94607a3 100644
--- a/src/pgrep.c
+++ b/src/pgrep.c
@@ -1,9 +1,13 @@
 /*
  * pgrep/pkill -- utilities to filter the process table
  *
- * Copyright 2000 Kjetil Torgrim Homme <kjetilho@ifi.uio.no>
- * Changes by Albert Cahalan, 2002,2006.
- * Changes by Roberto Polli <rpolli@babel.it>, 2012.
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2013-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2012      Roberto Polli <rpolli@babel.it>
+ * Copyright © 2002-2007 Albert Cahalan
+ * Copyright © 2000      Kjetil Torgrim Homme <kjetilho@ifi.uio.no>
+ *
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/src/pidof.c b/src/pidof.c
index cbb95e7..e6c2a7b 100644
--- a/src/pidof.c
+++ b/src/pidof.c
@@ -1,7 +1,10 @@
 /*
  * pidof.c - Utility for listing pids of running processes
  *
- * Copyright (C) 2013  Jaromir Capik <jcapik@redhat.com>
+ * Copyright © 2013-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2016-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2015-2020 Jan Rybar <jrybar@redhat.com>
+ * Copyright © 2013      Jaromir Capik <jcapik@redhat.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/src/pmap.c b/src/pmap.c
index 7ea9414..658b250 100644
--- a/src/pmap.c
+++ b/src/pmap.c
@@ -1,6 +1,10 @@
 /*
  * pmap.c - print process memory mapping
- * Copyright 2002 Albert Cahalan
+ *
+ * Copyright © 2010-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2002-2009 Albert Cahalan
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/pwdx.c b/src/pwdx.c
index 03ca187..90ead80 100644
--- a/src/pwdx.c
+++ b/src/pwdx.c
@@ -1,6 +1,10 @@
 /*
  * pwdx.c - print process working directory
- * Copyright 2004 Nicholas Miell
+ *
+ * Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2004-2006 Albert Cahalan
+ * Copyright © 2004      Nicholas Miell
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/skill.c b/src/skill.c
index c2e5274..055f7ee 100644
--- a/src/skill.c
+++ b/src/skill.c
@@ -1,6 +1,10 @@
 /*
  * skill.c - send a signal to process
- * Copyright 1998-2002 by Albert Cahalan
+ *
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 1998-2002 Albert Cahalan
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/slabtop.c b/src/slabtop.c
index 5a89e07..7144348 100644
--- a/src/slabtop.c
+++ b/src/slabtop.c
@@ -1,10 +1,12 @@
 /*
  * slabtop.c - utility to display kernel slab information.
  *
- * Chris Rivera <cmrivera@ufl.edu>
- * Robert Love <rml@tech9.net>
- *
- * Copyright (C) 2003 Chris Rivera
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2002-2004 Albert Cahalan
+ * Copyright © 2003      Chris Rivera <cmrivera@ufl.edu>
+ * Copyright © 2003      Robert Love <rml@tech9.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/sysctl.c b/src/sysctl.c
index c711692..d750091 100644
--- a/src/sysctl.c
+++ b/src/sysctl.c
@@ -1,7 +1,13 @@
 /*
- * Sysctl 1.01 - A utility to read and manipulate the sysctl parameters
+ * Sysctl - A utility to read and manipulate the sysctl parameters
  *
- * "Copyright 1999 George Staikos
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2012-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2017-2018 Werner Fink <werner@suse.de>
+ * Copyright © 2014      Jaromir Capik <jcapik@redhat.com>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2002-2007 Albert Cahalan
+ * Copyright © 1999      George Staikos
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -24,7 +30,6 @@
  *            Horms:
  *                   - added -q to be quiet when modifying values
  *
- * Changes by Albert Cahalan, 2002.
  */
 
 #include <dirent.h>
diff --git a/src/tload.c b/src/tload.c
index 5b38baf..9c19d9c 100644
--- a/src/tload.c
+++ b/src/tload.c
@@ -1,11 +1,11 @@
 /*
  * tload.c	- terminal version of xload
  *
- * Options:
- *	-s initial scaling exponent (default = 6)
- *	-d delay
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 1992      Branko Lankester
  *
- * Copyright (c) 1992 Branko Lankester
  * /proc changes by David Engel (david@ods.com)
  * Made a little more efficient by Michael K. Johnson (johnsonm@sunsite.unc.edu)
  *
diff --git a/src/uptime.c b/src/uptime.c
index 19c4656..6d6e739 100644
--- a/src/uptime.c
+++ b/src/uptime.c
@@ -1,6 +1,10 @@
 /*
  * uptime.c - display system uptime
- * Copyright (C) 2012-2015 Craig Small <csmall@dropbear.xyz>
+ *
+ * Copyright © 2002-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2020-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ *
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/vmstat.c b/src/vmstat.c
index eed130c..c0cef95 100644
--- a/src/vmstat.c
+++ b/src/vmstat.c
@@ -1,17 +1,13 @@
 /*
- * old: "Copyright 1994 by Henry Ware <al172@yfn.ysu.edu>. Copyleft same year."
- * most code copyright 2002 Albert Cahalan
+ * vmstat - report memory statistics
  *
- * 27/05/2003 (Fabian Frederick) : Add unit conversion + interface
- *                                Export proc/stat access to libproc
- *                                Adapt vmstat helpfile
- * 31/05/2003 (Fabian) : Add diskstat support (/libproc)
- * June 2003 (Fabian)  : -S <x> -s & -s -S <x> patch
- * June 2003 (Fabian)  : Adding diskstat against 3.1.9, slabinfo
- *                      patching 'header' in disk & slab
- * July 2003 (Fabian)  : Adding disk partition output
- *                      Adding disk table
- *                      Syncing help / usage
+ * Copyright © 2011-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2012-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2010      Jan Görig <jgorig@redhat.com>
+ * Copyright © 2003      Fabian Frederick
+ * Copyright © 1998-2002 Albert Cahalan
+ * Copyright © 1994      Henry Ware <al172@yfn.ysu.edu>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/w.c b/src/w.c
index 2ce2a2e..5e878f0 100644
--- a/src/w.c
+++ b/src/w.c
@@ -1,12 +1,15 @@
 /*
  * w - show what logged in users are doing.
  *
- * Almost entirely rewritten from scratch by Charles Blake circa
- * June 1996. Some vestigal traces of the original may exist.
- * That was done in 1993 by Larry Greenfield with some fixes by
- * Michael K. Johnson.
+ * Copyright © 2009-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2002-2006 Albert Cahalan
+ * Copyright © 1996      Charles Blake
  *
- * Changes by Albert Cahalan, 2002.
+ * Rewritten, older version:
+ * Copyright © 1993      Larry Greenfield
+ *                       with some fixes by Michael K. Johnson.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/watch.c b/src/watch.c
index f9a152d..cb2e299 100644
--- a/src/watch.c
+++ b/src/watch.c
@@ -1,14 +1,15 @@
 /*
- * watch -- execute a program repeatedly, displaying output fullscreen
+ * watch - execute a program repeatedly, displaying output fullscreen
+ *
+ * Copyright © 2010-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2002-2007 Albert Cahalan
+ * Copyright © 1999      Mike Coleman <mkc@acm.org>.
  *
  * Based on the original 1991 'watch' by Tony Rems <rembo@unisoft.com>
  * (with mods and corrections by Francois Pinard).
  *
- * Substantially reworked, new features (differences option, SIGWINCH
- * handling, unlimited command length, long line handling) added Apr
- * 1999 by Mike Coleman <mkc@acm.org>.
- *
- * Changes by Albert Cahalan, 2002-2003.
  * stderr handling, exec, and beep option added by Morty Abzug, 2008
  * Unicode Support added by Jarrod Lowe <procps@rrod.net> in 2009.
  *