xref: /minix3/minix/lib/liblwip/dist/src/netif/ppp/eui64.c (revision 5d5fbe79c1b60734f34c69330aec5496644e8651)
1*5d5fbe79SDavid van Moolenbroek /*
2*5d5fbe79SDavid van Moolenbroek  * eui64.c - EUI64 routines for IPv6CP.
3*5d5fbe79SDavid van Moolenbroek  *
4*5d5fbe79SDavid van Moolenbroek  * Copyright (c) 1999 Tommi Komulainen.  All rights reserved.
5*5d5fbe79SDavid van Moolenbroek  *
6*5d5fbe79SDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without
7*5d5fbe79SDavid van Moolenbroek  * modification, are permitted provided that the following conditions
8*5d5fbe79SDavid van Moolenbroek  * are met:
9*5d5fbe79SDavid van Moolenbroek  *
10*5d5fbe79SDavid van Moolenbroek  * 1. Redistributions of source code must retain the above copyright
11*5d5fbe79SDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer.
12*5d5fbe79SDavid van Moolenbroek  *
13*5d5fbe79SDavid van Moolenbroek  * 2. Redistributions in binary form must reproduce the above copyright
14*5d5fbe79SDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer in
15*5d5fbe79SDavid van Moolenbroek  *    the documentation and/or other materials provided with the
16*5d5fbe79SDavid van Moolenbroek  *    distribution.
17*5d5fbe79SDavid van Moolenbroek  *
18*5d5fbe79SDavid van Moolenbroek  * 3. The name(s) of the authors of this software must not be used to
19*5d5fbe79SDavid van Moolenbroek  *    endorse or promote products derived from this software without
20*5d5fbe79SDavid van Moolenbroek  *    prior written permission.
21*5d5fbe79SDavid van Moolenbroek  *
22*5d5fbe79SDavid van Moolenbroek  * 4. Redistributions of any form whatsoever must retain the following
23*5d5fbe79SDavid van Moolenbroek  *    acknowledgment:
24*5d5fbe79SDavid van Moolenbroek  *    "This product includes software developed by Tommi Komulainen
25*5d5fbe79SDavid van Moolenbroek  *     <Tommi.Komulainen@iki.fi>".
26*5d5fbe79SDavid van Moolenbroek  *
27*5d5fbe79SDavid van Moolenbroek  * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
28*5d5fbe79SDavid van Moolenbroek  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
29*5d5fbe79SDavid van Moolenbroek  * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
30*5d5fbe79SDavid van Moolenbroek  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
31*5d5fbe79SDavid van Moolenbroek  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
32*5d5fbe79SDavid van Moolenbroek  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
33*5d5fbe79SDavid van Moolenbroek  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
34*5d5fbe79SDavid van Moolenbroek  *
35*5d5fbe79SDavid van Moolenbroek  * $Id: eui64.c,v 1.6 2002/12/04 23:03:32 paulus Exp $
36*5d5fbe79SDavid van Moolenbroek  */
37*5d5fbe79SDavid van Moolenbroek 
38*5d5fbe79SDavid van Moolenbroek #include "netif/ppp/ppp_opts.h"
39*5d5fbe79SDavid van Moolenbroek #if PPP_SUPPORT && PPP_IPV6_SUPPORT  /* don't build if not configured for use in lwipopts.h */
40*5d5fbe79SDavid van Moolenbroek 
41*5d5fbe79SDavid van Moolenbroek #include "netif/ppp/ppp_impl.h"
42*5d5fbe79SDavid van Moolenbroek #include "netif/ppp/eui64.h"
43*5d5fbe79SDavid van Moolenbroek 
44*5d5fbe79SDavid van Moolenbroek /*
45*5d5fbe79SDavid van Moolenbroek  * eui64_ntoa - Make an ascii representation of an interface identifier
46*5d5fbe79SDavid van Moolenbroek  */
eui64_ntoa(eui64_t e)47*5d5fbe79SDavid van Moolenbroek char *eui64_ntoa(eui64_t e) {
48*5d5fbe79SDavid van Moolenbroek     static char buf[20];
49*5d5fbe79SDavid van Moolenbroek 
50*5d5fbe79SDavid van Moolenbroek     sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x",
51*5d5fbe79SDavid van Moolenbroek 	     e.e8[0], e.e8[1], e.e8[2], e.e8[3],
52*5d5fbe79SDavid van Moolenbroek 	     e.e8[4], e.e8[5], e.e8[6], e.e8[7]);
53*5d5fbe79SDavid van Moolenbroek     return buf;
54*5d5fbe79SDavid van Moolenbroek }
55*5d5fbe79SDavid van Moolenbroek 
56*5d5fbe79SDavid van Moolenbroek #endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */
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