git: 087c4c90d193 - main - kldxref: Add a copyright and license statement to ef.h

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=087c4c90d193c1401613e1e13fa99db8de52c8f0

commit 087c4c90d193c1401613e1e13fa99db8de52c8f0
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2023-12-12 23:29:43 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-12-12 23:29:43 +0000

    kldxref: Add a copyright and license statement to ef.h
    
    This uses the statement from other files in kldxref when the tool was
    first imported in commit 9c6f92408c29a8980e7aec26a2590087c3b3d8ed.
    
    Reviewed by:    kevans
    Sponsored by:   DARPA
    Differential Revision:  https://reviews.freebsd.org/D42963
---
 usr.sbin/kldxref/ef.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/usr.sbin/kldxref/ef.h b/usr.sbin/kldxref/ef.h
index f10af49fafba..94aaca279a80 100644
--- a/usr.sbin/kldxref/ef.h
+++ b/usr.sbin/kldxref/ef.h
@@ -1,3 +1,36 @@
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright (c) 2000, Boris Popov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
 
 #ifndef _EF_H_
 #define _EF_H_