include: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

include/aio.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/aio.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/alloca.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/alloca.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/android/fdsan.h

@@ -1,6 +1,9 @@
 /****************************************************************************
  * include/android/fdsan.h
- * Copyright (C) 2018 The Android Open Source Project
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ * SPDX-FileCopyrightText: 2018 The Android Open Source Project
+ *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

include/arpa/inet.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/arpa/inet.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/assert.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/assert.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/byteswap.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/byteswap.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/crypto/aes.h

@@ -1,9 +1,9 @@
 /****************************************************************************
  * include/crypto/aes.h
- * $OpenBSD: aes.h,v 1.4 2020/07/22 13:54:30 tobhe Exp $
  *
- * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
- * Copyright (c) 2016 Mike Belopuhov
+ * SPDX-License-Identifier: MIT
+ * SPDX-FileCopyrightText: 2016 Thomas Pornin <pornin@bolet.org>
+ * SPDX-FileCopyrightText: 2016 Mike Belopuhov
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the

include/crypto/blf.h

@@ -1,10 +1,9 @@
 /****************************************************************************
  * include/crypto/blf.h
- * $OpenBSD: blf.h,v 1.7 2021/11/29 01:04:45 djm Exp $
  *
- * Blowfish - a fast block cipher designed by Bruce Schneier
+ * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-FileCopyrightText: 1997 Niels Provos <provos@physnet.uni-hamburg.de>
  *
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

include/crypto/bn.h

@@ -1,5 +1,8 @@
 /****************************************************************************
  * include/crypto/bn.h
+ *
+ * SPDX-License-Identifier: Unlicense
+ *
  * This is free and unencumbered software released into the public domain.
  * Anyone is free to copy, modify, publish, use, compile, sell, or
  * distribute this software, either in source code form or as a compiled

include/crypto/chachapoly.h

@@ -1,7 +1,8 @@
 /****************************************************************************
  * include/crypto/chachapoly.h
- * $OpenBSD: chachapoly.h,v 1.4 2020/07/22 13:54:30 tobhe Exp $
- * Copyright (c) 2015 Mike Belopuhov
+ *
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText:2015 Mike Belopuhov
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/cmac.h

@@ -1,8 +1,8 @@
 /****************************************************************************
  * include/crypto/cmac.h
- * $OpenBSD: cmac.h,v 1.3 2017/05/02 17:07:06 mikeb Exp $
  *
- * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText: 2008 Damien Bergamini <damien.bergamini@free.fr>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/gmac.h

@@ -1,8 +1,8 @@
 /****************************************************************************
  * include/crypto/gmac.h
- * $OpenBSD: gmac.h,v 1.6 2017/05/02 11:44:32 mikeb Exp $
  *
- * Copyright (c) 2010 Mike Belopuhov
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText: 2010 Mike Belopuhov
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/hmac.h

@@ -1,8 +1,8 @@
 /****************************************************************************
  * include/crypto/hmac.h
- * $OpenBSD: hmac.h,v 1.3 2012/12/05 23:20:15 deraadt Exp $
  *
- * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText: 2008 Damien Bergamini <damien.bergamini@free.fr>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/idgen.h

@@ -1,8 +1,8 @@
 /****************************************************************************
  * include/crypto/idgen.h
- * $OpenBSD: idgen.h,v 1.3 2013/06/05 05:45:54 djm Exp $
  *
- * Copyright (c) 2008 Damien Miller <djm@mindrot.org>
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText: 2008 Damien Miller <djm@mindrot.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/key_wrap.h

@@ -1,7 +1,8 @@
 /****************************************************************************
  * include/crypto/key_wrap.h
- *$OpenBSD: key_wrap.h,v 1.3 2017/05/02 17:07:06 mikeb Exp $
- * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
+ *
+ * SPDX-License-Identifier: ISC
+ * SPDX-FileCopyrightText: 2008 Damien Bergamini <damien.bergamini@free.fr>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

include/crypto/rmd160.h

@@ -1,8 +1,8 @@
 /****************************************************************************
  * include/crypto/rmd160.h
- * $OpenBSD: rmd160.h,v 1.5 2009/07/05 19:33:46 millert Exp $
  *
- * Copyright (c) 2001 Markus Friedl.  All rights reserved.
+ * SPDX-License-Identifier: BSD-2-Clause
+ * SPDX-FileCopyrightText: 2001 Markus Friedl.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

include/crypto/sha2.h

@@ -1,11 +1,10 @@
 /****************************************************************************
  * include/crypto/sha2.h
- * $OpenBSD: sha2.h,v 1.5 2014/11/16 17:39:09 tedu Exp $
  *
- * FILE: sha2.h
- * AUTHOR: Aaron D. Gifford <me@aarongifford.com>
+ * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-FileCopyrightText: 2000-2001, Aaron D. Gifford
+ * SPDX-FileContributor: Aaron D. Gifford <me@aarongifford.com>
  *
- * Copyright (c) 2000-2001, Aaron D. Gifford
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,7 +31,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
  ****************************************************************************/
 
 #ifndef __INCLUDE_CRYPTO_SHA2_H

include/crypto/siphash.h

@@ -1,8 +1,9 @@
 /****************************************************************************
  * include/crypto/siphash.h
- * $OpenBSD: siphash.h,v 1.5 2015/02/20 11:51:03 tedu Exp $
  *
- * Copyright (c) 2013 Andre Oppermann <andre@FreeBSD.org>
+ * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-FileCopyrightText: 2013 Andre Oppermann <andre@FreeBSD.org>
+ *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,8 +30,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $FreeBSD$
- *
  ****************************************************************************/
 
 /* SipHash is a family of pseudorandom functions

include/ctype.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/ctype.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/cxx/cassert

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cassert
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cctype

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cctype
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cerrno

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cerrno
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cinttypes

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cinttypes
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/climits

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/climits
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/clocale

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/clocale
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cmath

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cmath
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/csignal

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/csignal
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstdarg

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstdarg
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstdbool

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstdbool
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstddef

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstddef
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstdio

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstdio
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstdlib

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstdlib
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cstring

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cstring
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/ctime

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/ctime
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cwchar

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cwchar
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/cxx/cwctype

@@ -1,6 +1,8 @@
 //***************************************************************************
 // include/cxx/cwctype
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed to the Apache Software Foundation (ASF) under one or more
 // contributor license agreements.  See the NOTICE file distributed with
 // this work for additional information regarding copyright ownership.  The

include/debug.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/debug.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/dirent.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/dirent.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/dlfcn.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/dlfcn.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/dsp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/dsp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/dspb16.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/dspb16.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/elf.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/elf.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/elf32.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/elf32.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/elf64.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/elf64.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/endian.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/endian.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/err.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/err.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/errno.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/errno.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/execinfo.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/execinfo.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/fcntl.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/fcntl.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/fixedmath.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/fixedmath.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/fnmatch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/fnmatch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/ftw.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/ftw.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/getopt.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/getopt.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/glob.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/glob.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/grp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/grp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/hex2bin.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/hex2bin.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/iconv.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/iconv.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/ifaddrs.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/ifaddrs.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/iso646.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/iso646.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/langinfo.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/langinfo.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/libgen.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/libgen.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/libintl.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/libintl.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/locale.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/locale.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/lzf.h

@@ -1,8 +1,9 @@
 /****************************************************************************
  * include/lzf.h
- * http://liblzf.plan9.de/
  *
- *   Copyright (c) 2000-2008 Marc Alexander Lehmann <schmorp@schmorp.de>
+ * SPDX-License-Identifier: BSD-2-Clause
+ * SPDX-FileCopyrightText: 2000-2008 Marc Alexander Lehmann <schmorp@schmorp.de>
+ *
  * This algorithm is believed to be patent-free.
  *
  * Redistribution and use in source and binary forms, with or without

include/malloc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/malloc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/mqueue.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/mqueue.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/net/ethernet.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/net/ethernet.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/net/if.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/net/if.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/net/if_arp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/net/if_arp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/net/route.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/net/route.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netdb.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netdb.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/arp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/arp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/ether.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/ether.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/icmp6.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/icmp6.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/if_ether.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/if_ether.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/in.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/in.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/ip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/ip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/ip6.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/ip6.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/tcp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/tcp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netinet/udp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netinet/udp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/bluetooth.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/bluetooth.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/ieee802154.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/ieee802154.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/if_addr.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/if_addr.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/netlink.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/netlink.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/packet.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/packet.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/netpacket/rpmsg.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/netpacket/rpmsg.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nl_types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nl_types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/1wire/1wire.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/1wire/1wire.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/1wire/1wire_crc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/1wire/1wire_crc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/1wire/1wire_master.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/1wire/1wire_master.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/1wire/ds28e17.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/1wire/ds28e17.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/addrenv.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/addrenv.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/allsyms.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/allsyms.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/analog/adc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/analog/adc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/analog/ads1242.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/analog/ads1242.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/analog/ads7828.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/analog/ads7828.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/analog/comp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/analog/comp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

include/nuttx/analog/dac.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/nuttx/analog/dac.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The