addr.c

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/*
 * addr.c
 *
 * Copyright (c) 2001 Dug Song <dugsong@monkey.org>
 *
 * $Id: addr.c,v 1.3 2002/03/29 06:07:08 dugsong Exp $
 */

#include "config.h"

#include <sys/types.h>

#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "dnet.h"
#include "mod.h"

void
addr_usage(void)
{
        fprintf(stderr, "Usage: dnet addr <address> ...\n");
        exit(1);
}

int
addr_main(int argc, char *argv[])
{
        struct addr addr;
        int c, len;
        
        if (argc == 1 || *(argv[1]) == '-')
                addr_usage();
        
        for (c = 1; c < argc; c++) {
                if (addr_aton(argv[c], &addr) < 0)
                        addr_usage();
                
                len = addr.addr_bits / 8;
                
                if (write(STDOUT_FILENO, addr.addr_data8, len) != len)
                        err(1, "write");
        }
        exit(0);
}

struct mod mod_addr = {
        "addr",
        MOD_TYPE_DATA,
        addr_main
};

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