FreeBSD/Linux Kernel Cross Reference
sys/lib/libsa/ether_sprintf.c

     /*      $NetBSD: ether_sprintf.c,v 1.2 2003/03/25 22:35:36 mycroft Exp $        */
     
     /*
      * Copyright (c) 1992 Regents of the University of California.
      * All rights reserved.
      *
      * This software was developed by the Computer Systems Engineering group
      * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      * contributed to Berkeley.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Lawrence Berkeley Laboratory and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * @(#) Header: net.c,v 1.9 93/08/06 19:32:15 leres Exp  (LBL)
     */
    
    #include <sys/param.h>
    #include <sys/socket.h>
    #ifdef _STANDALONE
    #include <lib/libkern/libkern.h>
    #else
    #include <string.h>
    #endif
    
    #include <netinet/in.h>
    #include <netinet/in_systm.h>
    
    #include "stand.h"
    #include "net.h"
    
    /*
     * Convert Ethernet address to printable (loggable) representation.
     */
    static const char digits[] = "0123456789abcdef";
    char *
    ether_sprintf(ap)
            u_char *ap;
    {
            int i;
            static char etherbuf[18];
            char *cp = etherbuf;
    
            for (i = 0; i < 6; i++) {
                    *cp++ = digits[*ap >> 4];
                    *cp++ = digits[*ap++ & 0xf];
                    *cp++ = ':';
            }
            *--cp = 0;
            return (etherbuf);
    }

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