33 files changed, 68 insertions, 2 deletions

diff --git a/lib/libc/stdio/dprintf.c b/lib/libc/stdio/dprintf.c
index 2eb6abba79788..c6f4fbd87e1f7 100644
--- a/lib/libc/stdio/dprintf.c
+++ b/lib/libc/stdio/dprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fcloseall.c b/lib/libc/stdio/fcloseall.c
index 8ee9a6227b790..6248c6123d025 100644
--- a/lib/libc/stdio/fcloseall.c
+++ b/lib/libc/stdio/fcloseall.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (C) 2006 Daniel M. Eischen.  All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/libc/stdio/fgetwc.c b/lib/libc/stdio/fgetwc.c
index 5f13e2dd4b744..edad907fe8065 100644
--- a/lib/libc/stdio/fgetwc.c
+++ b/lib/libc/stdio/fgetwc.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fgetwln.c b/lib/libc/stdio/fgetwln.c
index a29f1f6bfb3b9..b9077d68fc211 100644
--- a/lib/libc/stdio/fgetwln.c
+++ b/lib/libc/stdio/fgetwln.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fgetws.c b/lib/libc/stdio/fgetws.c
index f47fea79934d9..84fc387ecae44 100644
--- a/lib/libc/stdio/fgetws.c
+++ b/lib/libc/stdio/fgetws.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fmemopen.c b/lib/libc/stdio/fmemopen.c
index bcf187d200294..8faf2fa146dbc 100644
--- a/lib/libc/stdio/fmemopen.c
+++ b/lib/libc/stdio/fmemopen.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (C) 2013 Pietro Cerutti <gahr@FreeBSD.org>
  * 
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/libc/stdio/fputwc.c b/lib/libc/stdio/fputwc.c
index d168867343350..666dd8bcc9d1c 100644
--- a/lib/libc/stdio/fputwc.c
+++ b/lib/libc/stdio/fputwc.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fputws.c b/lib/libc/stdio/fputws.c
index 19da946054b70..56357b6509797 100644
--- a/lib/libc/stdio/fputws.c
+++ b/lib/libc/stdio/fputws.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fwide.c b/lib/libc/stdio/fwide.c
index c94ffe63a1bc7..b7a8b3909196a 100644
--- a/lib/libc/stdio/fwide.c
+++ b/lib/libc/stdio/fwide.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fwprintf.c b/lib/libc/stdio/fwprintf.c
index f4342ab6c4e3c..fb00c2e4b20d1 100644
--- a/lib/libc/stdio/fwprintf.c
+++ b/lib/libc/stdio/fwprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/fwscanf.c b/lib/libc/stdio/fwscanf.c
index 175607747d65a..df31be7b5bf15 100644
--- a/lib/libc/stdio/fwscanf.c
+++ b/lib/libc/stdio/fwscanf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/getdelim.c b/lib/libc/stdio/getdelim.c
index 26c608f8d49c5..8d8414266c787 100644
--- a/lib/libc/stdio/getdelim.c
+++ b/lib/libc/stdio/getdelim.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/getline.c b/lib/libc/stdio/getline.c
index 773b8f0829838..f101f7f1c3efa 100644
--- a/lib/libc/stdio/getline.c
+++ b/lib/libc/stdio/getline.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/getwc.c b/lib/libc/stdio/getwc.c
index 666350bba923c..d27988ba3163b 100644
--- a/lib/libc/stdio/getwc.c
+++ b/lib/libc/stdio/getwc.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/getwchar.c b/lib/libc/stdio/getwchar.c
index bc3b8a64c662b..2828075520a6d 100644
--- a/lib/libc/stdio/getwchar.c
+++ b/lib/libc/stdio/getwchar.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/open_memstream.c b/lib/libc/stdio/open_memstream.c
index a7e0bae9ca3af..12b7164af98f1 100644
--- a/lib/libc/stdio/open_memstream.c
+++ b/lib/libc/stdio/open_memstream.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2013 Hudson River Trading LLC
  * Written by: John H. Baldwin <jhb@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libc/stdio/open_wmemstream.c b/lib/libc/stdio/open_wmemstream.c
index d3331aabee744..1ea7c82e4aa72 100644
--- a/lib/libc/stdio/open_wmemstream.c
+++ b/lib/libc/stdio/open_wmemstream.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2013 Hudson River Trading LLC
  * Written by: John H. Baldwin <jhb@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libc/stdio/putwc.c b/lib/libc/stdio/putwc.c
index 56acf5081c1cc..510a3af70eda0 100644
--- a/lib/libc/stdio/putwc.c
+++ b/lib/libc/stdio/putwc.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/putwchar.c b/lib/libc/stdio/putwchar.c
index 8673bd5065fa2..a042e449e03aa 100644
--- a/lib/libc/stdio/putwchar.c
+++ b/lib/libc/stdio/putwchar.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/swprintf.c b/lib/libc/stdio/swprintf.c
index 1f6ecc65a8ada..39bb7346099c7 100644
--- a/lib/libc/stdio/swprintf.c
+++ b/lib/libc/stdio/swprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/swscanf.c b/lib/libc/stdio/swscanf.c
index c305ac15d9439..e45449c16d53c 100644
--- a/lib/libc/stdio/swscanf.c
+++ b/lib/libc/stdio/swscanf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/ungetwc.c b/lib/libc/stdio/ungetwc.c
index b47caf4b32484..d7705c8199a2e 100644
--- a/lib/libc/stdio/ungetwc.c
+++ b/lib/libc/stdio/ungetwc.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/vasprintf.c b/lib/libc/stdio/vasprintf.c
index 8feb23da758ef..f3545f149a734 100644
--- a/lib/libc/stdio/vasprintf.c
+++ b/lib/libc/stdio/vasprintf.c
@@ -1,6 +1,8 @@
 /*	$OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $	*/
 
-/*
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/vdprintf.c b/lib/libc/stdio/vdprintf.c
index 454b0f9fdba77..73f87b0f0cfad 100644
--- a/lib/libc/stdio/vdprintf.c
+++ b/lib/libc/stdio/vdprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/vswprintf.c b/lib/libc/stdio/vswprintf.c
index 2585888cfbca6..9bd31abe992c4 100644
--- a/lib/libc/stdio/vswprintf.c
+++ b/lib/libc/stdio/vswprintf.c
@@ -1,6 +1,8 @@
 /*	$OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $	*/
 
-/*
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/vwprintf.c b/lib/libc/stdio/vwprintf.c
index e09a30eccca55..f0aca08ac65a7 100644
--- a/lib/libc/stdio/vwprintf.c
+++ b/lib/libc/stdio/vwprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/vwscanf.c b/lib/libc/stdio/vwscanf.c
index 730beeef7f202..6f80c249d2d5d 100644
--- a/lib/libc/stdio/vwscanf.c
+++ b/lib/libc/stdio/vwscanf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/wprintf.c b/lib/libc/stdio/wprintf.c
index fdffa8614634e..c1d1f2656b7a7 100644
--- a/lib/libc/stdio/wprintf.c
+++ b/lib/libc/stdio/wprintf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/wscanf.c b/lib/libc/stdio/wscanf.c
index 22ce9bd1f89bc..33e0f3805d1c7 100644
--- a/lib/libc/stdio/wscanf.c
+++ b/lib/libc/stdio/wscanf.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Tim J. Robbins
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/xprintf_errno.c b/lib/libc/stdio/xprintf_errno.c
index 3c831d129388e..7312ac6e0694b 100644
--- a/lib/libc/stdio/xprintf_errno.c
+++ b/lib/libc/stdio/xprintf_errno.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Poul-Henning Kamp
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/xprintf_hexdump.c b/lib/libc/stdio/xprintf_hexdump.c
index a2956ba27b65f..73f98a8fb53f5 100644
--- a/lib/libc/stdio/xprintf_hexdump.c
+++ b/lib/libc/stdio/xprintf_hexdump.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Poul-Henning Kamp
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/xprintf_quote.c b/lib/libc/stdio/xprintf_quote.c
index 0edcd30e9c556..5b102b10c6320 100644
--- a/lib/libc/stdio/xprintf_quote.c
+++ b/lib/libc/stdio/xprintf_quote.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Poul-Henning Kamp
  * All rights reserved.
  *
diff --git a/lib/libc/stdio/xprintf_vis.c b/lib/libc/stdio/xprintf_vis.c
index 819f09ff1d8fa..ab1735b8543de 100644
--- a/lib/libc/stdio/xprintf_vis.c
+++ b/lib/libc/stdio/xprintf_vis.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Poul-Henning Kamp
  * All rights reserved.
  *