user/iplib/parseether.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */
#include <stdlib.h>

#include <iplib/iplib.h>
#include <parlib/parlib.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>

int parseether(uint8_t *to, char *from)
{
	char nip[4];
	char *p;
	int i;

	p = from;
	for (i = 0; i < 6; i++) {
		if (*p == 0)
			return -1;
		nip[0] = *p++;
		if (*p == 0)
			return -1;
		nip[1] = *p++;
		nip[2] = 0;
		to[i] = strtoul(nip, 0, 16);
		if (*p == ':')
			p++;
	}
	return 0;
}