dump_netiftab.c

一款类linux的操作系统源码

/*
 *  Roadrunner/pk
 *    Copyright (C) 1989-2001  Cornfed Systems, Inc.
 *
 *  The Roadrunner/pk operating system is free software; you can
 *  redistribute and/or modify it under the terms of the GNU General
 *  Public License, version 2, as published by the Free Software
 *  Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free
 *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA 02111-1307 USA
 *
 *  More information about the Roadrunner/pk operating system of
 *  which this file is a part is available on the World-Wide Web
 *  at: http://www.cornfed.com.
 *
 */

#include <net/netif.h>
#include <stdio.h>
#include <string.h>
#include <sys/intr.h>
#include <fs/dump.h>

#define NETIF_HDR "state  ipaddr           mask             hwaddr"

void
dump_netiftab(char *s)
{
    char s1[32];
    int i, len;

    sprintf(s, "%s\n", NETIF_HDR);
    s += strlen(NETIF_HDR) + 1;

    disable;

    if (netif_primary.state == NETIF_STATE_UP)
	sprintf(s, "up     ");
    else
	sprintf(s, "down   ");
    s += 7;

    if (netif_primary.ip == 0) {
	sprintf(s, "-                ");
	s += 17;
    } else {
	ip2str(netif_primary.ip, s1);
	sprintf(s, s1);
	len = strlen(s1);
	s += len;
	for (i = 0; i < 17 - len; i++)
	    sprintf(s++, " ");
    }
    if (netif_primary.mask == 0) {
	sprintf(s, "-                ");
	s += 17;
    } else {
	ip2str(netif_primary.mask, s1);
	sprintf(s, s1);
	len = strlen(s1);
	s += len;
	for (i = 0; i < 17 - len; i++)
	    sprintf(s++, " ");
    }
    if (netif_primary.state != NETIF_STATE_UP)
	sprintf(s, "-\n");
    else {
	ether2str(netif_primary.hwaddr, s1);
	sprintf(s, "%s\n", s1);
    }
    enable;
}