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nl-addr-dump.c

/*
 * src/nl-addr-dump.c     Dump address attributes
 *
 *          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.
 *
 * Copyright (c) 2003-2005 Thomas Graf <tgraf@suug.ch>
 */

#include "utils.h"

static void print_usage(void)
{
      printf(
      "Usage: nl-addr-dump <mode> [<filter>]\n"
      "  mode := { brief | detailed | stats | xml }\n"
      "  filter := [dev DEV] [label LABEL] [family FAMILY] [scope SCOPE]\n"
      "            [local ADDR] [peer ADDR] [broadcast ADDR] [anycast ADDR]\n"
      "            [multicast ADDR]\n");
      exit(1);
}

#include "f_addr.c"

int main(int argc, char *argv[])
{
      struct nl_handle *nlh;
      struct nl_cache *link_cache, *addr_cache;
      struct rtnl_addr *addr;
      struct nl_dump_params params = {
            .dp_fd = stdout,
            .dp_type = NL_DUMP_BRIEF
      };
      int err = 1;

      if (nltool_init(argc, argv) < 0)
            return -1;

      nlh = nl_handle_alloc_nondefault(nltool_cbset);
      if (!nlh)
            return -1;

      addr = rtnl_addr_alloc();
      if (!addr)
            goto errout;

      if (argc < 2 || !strcmp(argv[1], "-h"))
            print_usage();

      if (nltool_connect(nlh, NETLINK_ROUTE) < 0)
            goto errout_free;

      link_cache = nltool_alloc_link_cache(nlh);
      if (!link_cache)
            goto errout_close;

      addr_cache = nltool_alloc_addr_cache(nlh);
      if (!addr_cache)
            goto errout_link_cache;

      params.dp_type = nltool_parse_dumptype(argv[1]);
      if (params.dp_type < 0)
            goto errout_addr_cache;
      get_filter(addr, argc, argv, 2, link_cache);

      nl_cache_dump_filter(addr_cache, &params, (struct nl_object *) addr);

      err = 0;

errout_addr_cache:
      nl_cache_destroy_and_free(addr_cache);
errout_link_cache:
      nl_cache_destroy_and_free(link_cache);
errout_close:
      nl_close(nlh);
errout_free:
      rtnl_addr_put(addr);
errout:
      return err;
}

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