busybox

/* vi: set sw=4 ts=4: */

/*

 * 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.

 *

 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>

 */

​

#include "libbb.h"

#include "rt_names.h"

#include "utils.h"

​

const char* FAST_FUNC rtnl_rtntype_n2a(int id)

{

    switch (id) {

    case RTN_UNSPEC:

        return "none";

    case RTN_UNICAST:

        return "unicast";

    case RTN_LOCAL:

        return "local";

    case RTN_BROADCAST:

        return "broadcast";

    case RTN_ANYCAST:

        return "anycast";

    case RTN_MULTICAST:

        return "multicast";

    case RTN_BLACKHOLE:

        return "blackhole";

    case RTN_UNREACHABLE:

        return "unreachable";

    case RTN_PROHIBIT:

        return "prohibit";

    case RTN_THROW:

        return "throw";

    case RTN_NAT:

        return "nat";

    case RTN_XRESOLVE:

        return "xresolve";

    default:

        return itoa(id);

    }

}

​

​

int FAST_FUNC rtnl_rtntype_a2n(int *id, char *arg)

{

    static const char keywords[] ALIGN1 =

        "local\0""nat\0""broadcast\0""brd\0""anycast\0"

        "multicast\0""prohibit\0""unreachable\0""blackhole\0"

        "xresolve\0""unicast\0""throw\0";

    enum {

        ARG_local = 1, ARG_nat, ARG_broadcast, ARG_brd, ARG_anycast,

        ARG_multicast, ARG_prohibit, ARG_unreachable, ARG_blackhole,

        ARG_xresolve, ARG_unicast, ARG_throw

    };

    const smalluint key = index_in_substrings(keywords, arg) + 1;

    char *end;

    unsigned long res;

​

    if (key == ARG_local)