Merge pull request #21903 from maribu/core/spdx

core: use SPDX copyright tags
2025-12-13 08:33:49 +01:00 · 2025-11-23 21:24:10 +00:00 · 2025-11-23 21:24:10 +00:00 · ba6c53e93b
commit ba6c53e93b
parent b8c553c77d bd43254702
54 changed files with 137 additions and 322 deletions
--- a/core/cond.c
+++ b/core/cond.c
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2016 Sam Kumar <samkumar@berkeley.edu>
+ * SPDX-FileCopyrightText: 2016 Sam Kumar <samkumar@berkeley.edu>
- *               2016 University of California, Berkeley
+ * SPDX-FileCopyrightText: 2016 University of California, Berkeley
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/include/cond.h
+++ b/core/include/cond.h
@ -1,7 +1,5 @@
 /*
- * This file is subject to the terms and conditions of the GNU Lesser
+ * SPDX-License-Identifier: LGPL-2.1-only
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/mbox.h
+++ b/core/include/mbox.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/msg.h
+++ b/core/include/msg.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/msg_bus.h
+++ b/core/include/msg_bus.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2020 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/mutex.h
+++ b/core/include/mutex.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013, 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013-2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/native_sched.h
+++ b/core/include/native_sched.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2015 HAW Hamburg
+ * SPDX-FileCopyrightText: 2015 HAW Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/sched.h
+++ b/core/include/sched.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014-2017 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014-2017 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/stdio.h
+++ b/core/include/stdio.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2024 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2024 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 #pragma once
--- a/core/include/thread.h
+++ b/core/include/thread.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/thread_flags.h
+++ b/core/include/thread_flags.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/include/thread_flags_group.h
+++ b/core/include/thread_flags_group.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2025 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2025 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/assert.c
+++ b/core/lib/assert.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2016 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/lib/atomic_c11.c
+++ b/core/lib/atomic_c11.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2015-2016 Eistec AB
+ * SPDX-FileCopyrightText: 2015-2016 Eistec AB
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 /**
--- a/core/lib/atomic_sync.c
+++ b/core/lib/atomic_sync.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2015-2016 Eistec AB
+ * SPDX-FileCopyrightText: 2015-2016 Eistec AB
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 /**
--- a/core/lib/bitarithm.c
+++ b/core/lib/bitarithm.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/lib/clist.c
+++ b/core/lib/clist.c
@ -1,38 +1,10 @@
 /*
- * Copyright (C) 2017 Inria
+ * SPDX-FileCopyrightText: 2017 Inria
- *               2017 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2017 Freie Universität Berlin
- *               2017 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2017 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-FileCopyrightText: 2001 Simon Tatham
- * This file is subject to the terms and conditions of the GNU Lesser
+ * SPDX-License-Identifier: LGPL-2.1-only
- * General Public License v2.1. See the file LICENSE in the top level
+ * SPDX-License-Identifier: MIT
 * directory for more details.
 *
 * The code of _clist_sort() has been imported from
 * https://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html.
 * Original copyright notice:
 *
 * This file is copyright 2001 Simon Tatham.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL SIMON TATHAM BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 /**
--- a/core/lib/include/assert.h
+++ b/core/lib/include/assert.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2015 INRIA
+ * SPDX-FileCopyrightText: 2015 INRIA
- * Copyright (C) 2016 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2016 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/bitarithm.h
+++ b/core/lib/include/bitarithm.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2017 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2017 Kaspar Schleiser <kaspar@schleiser.de>
- *               2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/cib.h
+++ b/core/lib/include/cib.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/clist.h
+++ b/core/lib/include/clist.h
@ -1,11 +1,8 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *               2017 Inria
+ * SPDX-FileCopyrightText: 2017 Inria
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/compiler_hints.h
+++ b/core/lib/include/compiler_hints.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *               2017 HAW-Hamburg
+ * SPDX-FileCopyrightText: 2017 HAW-Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/container.h
+++ b/core/lib/include/container.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *               2017 HAW-Hamburg
+ * SPDX-FileCopyrightText: 2017 HAW-Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/debug.h
+++ b/core/lib/include/debug.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/irq.h
+++ b/core/lib/include/irq.h
@ -1,9 +1,7 @@
 /*
- * Copyright (C) 2013,2019 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-FileCopyrightText: 2019 Freie Universität Berlin
- * This file is subject to the terms and conditions of the GNU Lesser
+ * SPDX-License-Identifier: LGPL-2.1-only
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #ifndef IRQ_H
--- a/core/lib/include/kernel_defines.h
+++ b/core/lib/include/kernel_defines.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *               2017 HAW-Hamburg
+ * SPDX-FileCopyrightText: 2017 HAW-Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/kernel_init.h
+++ b/core/lib/include/kernel_init.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/list.h
+++ b/core/lib/include/list.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *               2016 TriaGnoSys GmbH
+ * SPDX-FileCopyrightText: 2016 TriaGnoSys GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/log.h
+++ b/core/lib/include/log.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/macros/math.h
+++ b/core/lib/include/macros/math.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2022 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2022 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/macros/units.h
+++ b/core/lib/include/macros/units.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2020 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/macros/utils.h
+++ b/core/lib/include/macros/utils.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2023 Otto-von-Guericke-Universität Magdeburg
+ * SPDX-FileCopyrightText: 2023 Otto-von-Guericke-Universität Magdeburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/macros/xtstr.h
+++ b/core/lib/include/macros/xtstr.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2019 Gunar Schorcht
+ * SPDX-FileCopyrightText: 2019 Gunar Schorcht
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/modules.h
+++ b/core/lib/include/modules.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *               2017 HAW-Hamburg
+ * SPDX-FileCopyrightText: 2017 HAW-Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/panic.h
+++ b/core/lib/include/panic.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014, 2015 INRIA
+ * SPDX-FileCopyrightText: 2014-2015 INRIA
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/priority_queue.h
+++ b/core/lib/include/priority_queue.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2013, 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013-2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/ringbuffer.h
+++ b/core/lib/include/ringbuffer.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- * Copyright (C) 2013 INRIA
+ * SPDX-FileCopyrightText: 2013 INRIA
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/riot_version.h
+++ b/core/lib/include/riot_version.h
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *               2017 HAW-Hamburg
+ * SPDX-FileCopyrightText: 2017 HAW-Hamburg
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/rmutex.h
+++ b/core/lib/include/rmutex.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Theobroma Systems Design & Consulting GmbH
+ * SPDX-FileCopyrightText: 2016 Theobroma Systems Design & Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/thread_config.h
+++ b/core/lib/include/thread_config.h
@ -1,11 +1,8 @@
 /*
- * Copyright (C) 2014-21 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014-2021 Freie Universität Berlin
- *               2021 Inria
+ * SPDX-FileCopyrightText: 2021 Inria
- *               2021 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2021 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/include/xfa.h
+++ b/core/lib/include/xfa.h
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 #pragma once
--- a/core/lib/init.c
+++ b/core/lib/init.c
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/lib/panic.c
+++ b/core/lib/panic.c
@ -1,11 +1,8 @@
 /*
- * Copyright (C) 2015 INRIA
+ * SPDX-FileCopyrightText: 2015 INRIA
- * Copyright (C) 2015 Eistec AB
+ * SPDX-FileCopyrightText: 2015 Eistec AB
- * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 /**
--- a/core/lib/priority_queue.c
+++ b/core/lib/priority_queue.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2013, 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013-2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/lib/ringbuffer.c
+++ b/core/lib/ringbuffer.c
@ -1,13 +1,10 @@
 /*
 * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
 * SPDX-FileCopyrightText: 2013 INRIA
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 /**
 * Ringbuffer implementation
 *
 * Copyright (C) 2013 Freie Universität Berlin
 * Copyright (C) 2013 INRIA
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 *
 * @ingroup  core_util
 * @{
 * @file
--- a/core/lib/rmutex.c
+++ b/core/lib/rmutex.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Theobroma Systems Design & Consulting GmbH
+ * SPDX-FileCopyrightText: 2016 Theobroma Systems Design & Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/mbox.c
+++ b/core/mbox.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/msg.c
+++ b/core/msg.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/msg_bus.c
+++ b/core/msg_bus.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2020 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/mutex.c
+++ b/core/mutex.c
@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
- *               2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/sched.c
+++ b/core/sched.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2014-2017 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2014-2017 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/thread.c
+++ b/core/thread.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2013 Freie Universität Berlin
+ * SPDX-FileCopyrightText: 2013 Freie Universität Berlin
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/thread_flags.c
+++ b/core/thread_flags.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
+ * SPDX-FileCopyrightText: 2016 Kaspar Schleiser <kaspar@schleiser.de>
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**
--- a/core/thread_flags_group.c
+++ b/core/thread_flags_group.c
@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2025 ML!PA Consulting GmbH
+ * SPDX-FileCopyrightText: 2025 ML!PA Consulting GmbH
- *
+ * SPDX-License-Identifier: LGPL-2.1-only
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 /**