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1 /*
2  * eui64.c - EUI64 routines for IPv6CP.
3  *
4  * Copyright (c) 1999 Tommi Komulainen.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  *
18  * 3. The name(s) of the authors of this software must not be used to
19  *    endorse or promote products derived from this software without
20  *    prior written permission.
21  *
22  * 4. Redistributions of any form whatsoever must retain the following
23  *    acknowledgment:
24  *    "This product includes software developed by Tommi Komulainen
25  *     <Tommi.Komulainen@iki.fi>".
26  *
27  * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
28  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
29  * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
30  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
31  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
32  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
33  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
34  *
35  * $Id: eui64.c,v 1.6 2002/12/04 23:03:32 paulus Exp $
36  */
37 
38 #define RCSID	"$Id: eui64.c,v 1.6 2002/12/04 23:03:32 paulus Exp $"
39 
40 #include "pppd.h"
41 
42 static const char rcsid[] = RCSID;
43 
44 /*
45  * eui64_ntoa - Make an ascii representation of an interface identifier
46  */
47 char *
eui64_ntoa(e)48 eui64_ntoa(e)
49     eui64_t e;
50 {
51     static char buf[32];
52 
53     snprintf(buf, 32, "%02x%02x:%02x%02x:%02x%02x:%02x%02x",
54 	     e.e8[0], e.e8[1], e.e8[2], e.e8[3],
55 	     e.e8[4], e.e8[5], e.e8[6], e.e8[7]);
56     return buf;
57 }
58