ddp.c

Linux下网络相关工具源代码。

/*
 *              DDP protocol output functions.
 *              [Not yet input]
 *
 *                      Alan Cox  <[e-mail]>
 *
 *		$Id: ddp.c,v 1.6 1998/11/19 13:01:55 philip Exp $
 *
 *              This program is free software; you can redistribute it
 *              and/or  modify it under  the terms of  the GNU General
 *              Public  License as  published  by  the  Free  Software
 *              Foundation;  either  version 2 of the License, or  (at
 *              your option) any later version.
 */
#include "config.h"

#if HAVE_AFATALK
#include <asm/types.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/atalk.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include "net-support.h"
#include "pathnames.h"
#include "intl.h"
#include "util.h"

/* Display a ddp domain address. */
static char *ddp_print(unsigned char *ptr)
{
    static char buff[64];
    struct sockaddr_at *sat = (struct sockaddr_at *) (ptr - 2);
    sprintf(buff, "%d/%d", (int) ntohs(sat->sat_addr.s_net), (int) sat->sat_addr.s_node);
    return (buff);
}


/* Display a ddp domain address. */
static char *ddp_sprint(struct sockaddr *sap, int numeric)
{
    static char buf[64];

    if (sap->sa_family != AF_APPLETALK)
	return safe_strncpy(buf, _("[NONE SET]"), sizeof(buf));
    return (ddp_print(sap->sa_data));
}


struct aftype ddp_aftype =
{
    "ddp", NULL, /*"Appletalk DDP", */ AF_APPLETALK, 0,
    ddp_print, ddp_sprint, NULL, NULL,
    NULL /*DDP_rprint */ , NULL, NULL,
    -1,
    "/proc/net/appletalk"
};

#endif