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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 (at) 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 *
     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