slirp: clarify license of slirp files using SPDX: explicit BSD

Add SPDX license identifier to clarify the license of files with
explicit 3-clause BSD license header.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>

24 files changed, 24 insertions, 0 deletions

diff --git a/slirp/src/cksum.c b/slirp/src/cksum.c
index 25bfa67..9599f6a 100644
--- a/slirp/src/cksum.c
+++ b/slirp/src/cksum.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1988, 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/dhcpv6.c b/slirp/src/dhcpv6.c
index df350e9..3c8f420 100644
--- a/slirp/src/dhcpv6.c
+++ b/slirp/src/dhcpv6.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * SLIRP stateless DHCPv6
  *
diff --git a/slirp/src/dhcpv6.h b/slirp/src/dhcpv6.h
index af0e193..dc26a93 100644
--- a/slirp/src/dhcpv6.h
+++ b/slirp/src/dhcpv6.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Definitions and prototypes for SLIRP stateless DHCPv6
  *
diff --git a/slirp/src/ip.h b/slirp/src/ip.h
index 73a4d2a..1484de1 100644
--- a/slirp/src/ip.h
+++ b/slirp/src/ip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/ip_icmp.c b/slirp/src/ip_icmp.c
index 120108f..1aea18a 100644
--- a/slirp/src/ip_icmp.c
+++ b/slirp/src/ip_icmp.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/ip_icmp.h b/slirp/src/ip_icmp.h
index a4e5b8b..05d85c5 100644
--- a/slirp/src/ip_icmp.h
+++ b/slirp/src/ip_icmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/ip_input.c b/slirp/src/ip_input.c
index e0b94b0..6ad6765 100644
--- a/slirp/src/ip_input.c
+++ b/slirp/src/ip_input.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/ip_output.c b/slirp/src/ip_output.c
index f6ec141..9299997 100644
--- a/slirp/src/ip_output.c
+++ b/slirp/src/ip_output.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/mbuf.h b/slirp/src/mbuf.h
index e2d4434..732c85c 100644
--- a/slirp/src/mbuf.h
+++ b/slirp/src/mbuf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/ncsi-pkt.h b/slirp/src/ncsi-pkt.h
index 3867feb..4c0be39 100644
--- a/slirp/src/ncsi-pkt.h
+++ b/slirp/src/ncsi-pkt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright Gavin Shan, IBM Corporation 2016.
  *
diff --git a/slirp/src/ncsi.c b/slirp/src/ncsi.c
index 1169da8..6d574ec 100644
--- a/slirp/src/ncsi.c
+++ b/slirp/src/ncsi.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * NC-SI (Network Controller Sideband Interface) "echo" model
  *
diff --git a/slirp/src/qtailq.h b/slirp/src/qtailq.h
index a89b0c4..d8aa0e1 100644
--- a/slirp/src/qtailq.h
+++ b/slirp/src/qtailq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*      $NetBSD: queue.h,v 1.52 2009/04/20 09:56:08 mschuett Exp $ */
 
 /*
diff --git a/slirp/src/tcp.h b/slirp/src/tcp.h
index 47aaea6..79d3251 100644
--- a/slirp/src/tcp.h
+++ b/slirp/src/tcp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_input.c b/slirp/src/tcp_input.c
index b10477f..cf54eee 100644
--- a/slirp/src/tcp_input.c
+++ b/slirp/src/tcp_input.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_output.c b/slirp/src/tcp_output.c
index e9674df..272c261 100644
--- a/slirp/src/tcp_output.c
+++ b/slirp/src/tcp_output.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_subr.c b/slirp/src/tcp_subr.c
index 1db59ca..086e4e9 100644
--- a/slirp/src/tcp_subr.c
+++ b/slirp/src/tcp_subr.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_timer.c b/slirp/src/tcp_timer.c
index 7be5457..be361a1 100644
--- a/slirp/src/tcp_timer.c
+++ b/slirp/src/tcp_timer.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_timer.h b/slirp/src/tcp_timer.h
index b25b391..709f639 100644
--- a/slirp/src/tcp_timer.h
+++ b/slirp/src/tcp_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcp_var.h b/slirp/src/tcp_var.h
index 27ef1a5..162be6e 100644
--- a/slirp/src/tcp_var.h
+++ b/slirp/src/tcp_var.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/tcpip.h b/slirp/src/tcpip.h
index 07dbf2c..560a864 100644
--- a/slirp/src/tcpip.h
+++ b/slirp/src/tcpip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/udp.c b/slirp/src/udp.c
index fa9f4a0..27bb829 100644
--- a/slirp/src/udp.c
+++ b/slirp/src/udp.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/udp.h b/slirp/src/udp.h
index 3d29504..29c0297 100644
--- a/slirp/src/udp.h
+++ b/slirp/src/udp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/slirp/src/vmstate.c b/slirp/src/vmstate.c
index 3bc23d1..43bb3eb 100644
--- a/slirp/src/vmstate.c
+++ b/slirp/src/vmstate.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * VMState interpreter
  *
diff --git a/slirp/src/vmstate.h b/slirp/src/vmstate.h
index 21157b5..44efea7 100644
--- a/slirp/src/vmstate.h
+++ b/slirp/src/vmstate.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * QEMU migration/snapshot declarations
  *