1 /* $NetBSD: eui64.c,v 1.6 2025/01/08 19:59:39 christos Exp $ */ 2 3 /* 4 * eui64.c - EUI64 routines for IPv6CP. 5 * 6 * Copyright (c) 1999 Tommi Komulainen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The name(s) of the authors of this software must not be used to 21 * endorse or promote products derived from this software without 22 * prior written permission. 23 * 24 * 4. Redistributions of any form whatsoever must retain the following 25 * acknowledgment: 26 * "This product includes software developed by Tommi Komulainen 27 * <Tommi.Komulainen@iki.fi>". 28 * 29 * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO 30 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 31 * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY 32 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 33 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 34 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 35 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 36 * 37 */ 38 39 #include <sys/cdefs.h> 40 __RCSID("$NetBSD: eui64.c,v 1.6 2025/01/08 19:59:39 christos Exp $"); 41 42 #ifdef HAVE_CONFIG_H 43 #include "config.h" 44 #endif 45 46 #include "pppd-private.h" 47 48 49 /* 50 * eui64_ntoa - Make an ascii representation of an interface identifier 51 */ 52 char * 53 eui64_ntoa(eui64_t e) 54 { 55 static char buf[32]; 56 57 snprintf(buf, 32, "%02x%02x:%02x%02x:%02x%02x:%02x%02x", 58 e.e8[0], e.e8[1], e.e8[2], e.e8[3], 59 e.e8[4], e.e8[5], e.e8[6], e.e8[7]); 60 return buf; 61 } 62