glib: Add SPDX license headers automatically

Add SPDX license (but not copyright) headers to all files which follow a
certain pattern in their existing non-machine-readable header comment.

This commit was entirely generated using the command:
```
git ls-files glib/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs'
```

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Helps: #1415

glib/docs.c

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2011 Red Hat, Inc
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/galloca.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/garcbox.c

@@ -2,6 +2,8 @@
  *
  * Copyright 2018  Emmanuele Bassi
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/garray.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/garray.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gasyncqueue.c

@@ -4,6 +4,8 @@
  * GAsyncQueue: asynchronous queue implementation, based on GQueue.
  * Copyright (C) 2000 Sebastian Wilhelmi; University of Karlsruhe
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gasyncqueue.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gasyncqueueprivate.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gatomic.c

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2011 Ryan Lortie
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gatomic.h

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2011 Ryan Lortie
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbacktrace.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbacktrace.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbase64.c

@@ -3,6 +3,8 @@
  *  Copyright (C) 2006 Alexander Larsson <alexl@redhat.com>
  *  Copyright (C) 2000-2003 Ximian Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbase64.h

@@ -2,6 +2,8 @@
  *
  *  Copyright (C) 2005  Alexander Larsson <alexl@redhat.com>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbitlock.c

@@ -2,6 +2,8 @@
  * Copyright © 2008 Ryan Lortie
  * Copyright © 2010 Codethink Limited
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbitlock.h

@@ -2,6 +2,8 @@
  * Copyright © 2008 Ryan Lortie
  * Copyright © 2010 Codethink Limited
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbookmarkfile.c

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2005-2006 Emmanuele Bassi
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbookmarkfile.h

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2005-2006 Emmanuele Bassi
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbytes.c

@@ -2,6 +2,8 @@
  * Copyright © 2009, 2010 Codethink Limited
  * Copyright © 2011 Collabora Ltd.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gbytes.h

@@ -2,6 +2,8 @@
  * Copyright © 2009, 2010 Codethink Limited
  * Copyright © 2011 Collabora Ltd.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gcharset.c

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gcharset.h

@@ -2,6 +2,8 @@
  *
  *  Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gcharsetprivate.h

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2012 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gchecksum.c

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2007  Emmanuele Bassi  <ebassi@gnome.org>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gchecksum.h

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2007  Emmanuele Bassi  <ebassi@gnome.org>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gconstructor.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gconvert.c

@@ -4,6 +4,8 @@
  * Copyright Red Hat Inc., 2000
  * Authors: Havoc Pennington <hp@redhat.com>, Owen Taylor <otaylor@redhat.com>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gconvert.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gconvertprivate.h

@@ -2,6 +2,8 @@
  *
  * Copyright 2020 Frederic Martinsons
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdataset.c

@@ -4,6 +4,8 @@
  * gdataset.c: Generic dataset mechanism, similar to GtkObject data.
  * Copyright (C) 1998 Tim Janik
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdataset.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdatasetprivate.h

@@ -2,6 +2,8 @@
  * gdataset-private.h: Internal macros for accessing dataset values
  * Copyright (C) 2005  Red Hat
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdate.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdate.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdir.c

@@ -6,6 +6,8 @@
  * Copyright 2001 Hans Breuer
  * Copyright 2004 Tor Lillqvist
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gdir.h

@@ -5,6 +5,8 @@
  *
  * Copyright 2001 Hans Breuer
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/genviron.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1998  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/genviron.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gerror.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gerror.h

@@ -2,6 +2,8 @@
  *
  *  Copyright 2000 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gfileutils.c

@@ -2,6 +2,8 @@
  *
  *  Copyright 2000 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gfileutils.h

@@ -2,6 +2,8 @@
  *
  *  Copyright 2000 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ggettext.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1998  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ggettext.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghash.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghash.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghmac.c

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2011  Collabora Ltd.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghmac.h

@@ -2,6 +2,8 @@
  *
  * Copyright (C) 2011  Stef Walter  <stefw@collabora.co.uk>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghook.c

@@ -4,6 +4,8 @@
  * GHook: Callback maintenance functions
  * Copyright (C) 1998 Tim Janik
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghook.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghostutils.c

@@ -3,6 +3,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 2008 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/ghostutils.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 2008 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gi18n-lib.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 2002  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gi18n.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 2002  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/giochannel.c

@@ -4,6 +4,8 @@
  * giochannel.c: IO Channel abstraction
  * Copyright 1998 Owen Taylor
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/giochannel.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/giounix.c

@@ -4,6 +4,8 @@
  * giounix.c: IO Channels using unix file descriptors
  * Copyright 1998 Owen Taylor
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/giowin32.c

@@ -6,6 +6,8 @@
  * Copyright 1999-2000 Tor Lillqvist and Craig Setera
  * Copyright 2001-2003 Andrew Lanoix
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gkeyfile.c

@@ -7,6 +7,8 @@
  * Written by Ray Strode <rstrode@redhat.com>
  *            Matthias Clasen <mclasen@redhat.com>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gkeyfile.h

@@ -4,6 +4,8 @@
  *
  *  Ray Strode <halfline@hawaii.rr.com>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-autocleanups.h

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2015 Canonical Limited
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-init.c

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2011 Canonical Limited
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-init.h

@@ -1,6 +1,8 @@
 /*
  * Copyright © 2011 Canonical Limited
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-object.h

@@ -1,6 +1,8 @@
 /* GObject - GLib Type, Object, Parameter and Signal Library
  * Copyright (C) 1998, 1999, 2000 Tim Janik and Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-private.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-private.h

@@ -1,6 +1,8 @@
 /* glib-private.h - GLib-internal private API, shared between glib, gobject, gio
  * Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-typeof.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 2021  Iain Lane, Xavier Claessens
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-unix.c

@@ -3,6 +3,8 @@
  *
  * glib-unix.c: UNIX specific API wrappers and convenience functions
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib-unix.h

@@ -1,6 +1,8 @@
 /* glib-unix.h - Unix specific integration
  * Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glib_trace.h

@@ -2,6 +2,8 @@
  * 
  * Copyright (C) 2009,2010 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glist.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/glist.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmacros.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmain-internal.h

@@ -1,6 +1,8 @@
 /* gmain-internal.h - GLib-internal mainloop API
  * Copyright (C) 2011 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmain.c

@@ -4,6 +4,8 @@
  * gmain.c: Main loop abstraction, timeouts, and idle functions
  * Copyright 1998 Owen Taylor
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmain.h

@@ -1,6 +1,8 @@
 /* gmain.h - the GLib Main loop
  * Copyright (C) 1998-2000 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmappedfile.c

@@ -3,6 +3,8 @@
  *
  * Copyright 2005 Matthias Clasen
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmappedfile.h

@@ -3,6 +3,8 @@
  *
  * Copyright 2005 Matthias Clasen
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmarkup.c

@@ -3,6 +3,8 @@
  *  Copyright 2000, 2003 Red Hat, Inc.
  *  Copyright 2007, 2008 Ryan Lortie <desrt@desrt.ca>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmarkup.h

@@ -2,6 +2,8 @@
  *
  *  Copyright 2000 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmem.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmem.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmessages.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gmessages.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gnode.c

@@ -4,6 +4,8 @@
  * GNode: N-way tree implementation.
  * Copyright (C) 1998 Tim Janik
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gnode.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/goption.c

@@ -3,6 +3,8 @@
  *  Copyright (C) 1999, 2003 Red Hat Software
  *  Copyright (C) 2004       Anders Carlsson <andersca@gnome.org>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/goption.h

@@ -2,6 +2,8 @@
  *
  *  Copyright (C) 2004  Anders Carlsson <andersca@gnome.org>
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gpattern.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 1999  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gpattern.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 1999  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gpoll.c

@@ -5,6 +5,8 @@
  * Copyright 1998 Owen Taylor
  * Copyright 2008 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gpoll.h

@@ -1,6 +1,8 @@
 /* gpoll.h - poll(2) support
  * Copyright (C) 2008 Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gprimes.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gprimes.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gprintf.c

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 2002  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gprintf.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997, 2002  Peter Mattis, Red Hat, Inc.
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gprintfint.h

@@ -1,6 +1,8 @@
 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gqsort.c

@@ -3,6 +3,8 @@
  * Copyright (C) 2000 Eazel, Inc.
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

glib/gqsort.h

@@ -1,6 +1,8 @@
  /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either