CI: Updated the 'checkout' actions that were using Node.js 16 to Node.js 20. (#489)

[ppp.git] / pppd / eui64.h

diff --git a/pppd/eui64.h b/pppd/eui64.h
index 2ea42ce1e74e4156b9522776dc3777e66ca5598e..c24733d1248ac16b372926178f0206d341311ec6 100644 (file)
--- a/pppd/eui64.h
+++ b/pppd/eui64.h
@@ -1,22 +1,63 @@
 /*
  * eui64.h - EUI64 routines for IPv6CP.
  *
- * (c) 1999 Tommi Komulainen <Tommi.Komulainen@iki.fi>
+ * Copyright (c) 1999 Tommi Komulainen.  All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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. The name(s) of the authors of this software must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission.
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by Tommi Komulainen
+ *     <Tommi.Komulainen@iki.fi>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $Id: eui64.h,v 1.1 1999/08/13 01:58:43 paulus Exp $
  */
+#ifndef PPP_EUI64_H
+#define PPP_EUI64_H
+
+#include "pppdconf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(SOL2)
+#include <netinet/in.h>
+
+typedef union {
+    uint8_t    e8[8];          /* lower 64-bit IPv6 address */
+    uint32_t   e32[2];         /* lower 64-bit IPv6 address */
+} eui64_t;
+
+/*
+ * Declare the two below, since in.h only defines them when _KERNEL
+ * is declared - which shouldn't be true when dealing with user-land programs
+ */
+#define        s6_addr8        _S6_un._S6_u8
+#define        s6_addr32       _S6_un._S6_u32
+
+#else /* else if not defined(SOL2) */
 
 /*
  * TODO:
@@ -30,6 +71,8 @@ typedef union
     u_int32_t e32[2];
 } eui64_t;
 
+#endif /* defined(SOL2) */
+
 #define eui64_iszero(e)                (((e).e32[0] | (e).e32[1]) == 0)
 #define eui64_equals(e, o)     (((e).e32[0] == (o).e32[0]) && \
                                ((e).e32[1] == (o).e32[1]))
@@ -65,4 +108,10 @@ typedef union
                                } while (0)
 #define eui64_setlo32(e, l)    eui64_set32(e, l)
 
-char *eui64_ntoa __P((eui64_t));       /* Returns ascii representation of id */
+char *eui64_ntoa(eui64_t);     /* Returns ascii representation of id */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PPP_EUI64_H */