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