source: trunk/minix/lib/ip/ethera2n.c@ 15

/*
ethera2n.c

Convert an ASCII string with an ethernet address into a struct ether_addr.

Created:        Nov 17, 1992 by Philip Homburg
*/

#include <sys/types.h>
#include <stdlib.h>
#include <net/netlib.h>
#include <net/gen/ether.h>
#include <net/gen/if_ether.h>

struct ether_addr *ether_aton(s)
_CONST char *s;
{
        static struct ether_addr ea;

        int i;
        long v;
        char *check;

        if (s == NULL)
                return NULL;

        for (i=0; i<6; i++)
        {
                v= strtol(s, &check, 16);
                if (v<0 || v>255)
                        return NULL;
                if ((i<5 && check[0] != ':') || (i == 5 && check[0] != '\0'))
                        return NULL;
                ea.ea_addr[i]= v;
                s= check+1;
        }
        return &ea;
}

/*
 * $PchId: ethera2n.c,v 1.3 1996/02/22 21:10:01 philip Exp $
 */