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 #include "netif/ppp/ppp_opts.h"
39 #if PPP_SUPPORT && PPP_IPV6_SUPPORT /* don't build if not configured for use in lwipopts.h */
40
41 #include "netif/ppp/ppp_impl.h"
42 #include "netif/ppp/eui64.h"
43
44 /*
45 * eui64_ntoa - Make an ascii representation of an interface identifier
46 */
eui64_ntoa(eui64_t e)47 char *eui64_ntoa(eui64_t e) {
48 static char buf[20];
49
50 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x",
51 e.e8[0], e.e8[1], e.e8[2], e.e8[3],
52 e.e8[4], e.e8[5], e.e8[6], e.e8[7]);
53 return buf;
54 }
55
56 #endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */
57