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nl-neigh-delete.c

/*
 * src/nl-neigh-delete.c     Delete a neighbour
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation version 2.1
 *    of the License.
 *
 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
 */

#include "utils.h"

int main(int argc, char *argv[])
{
      struct nl_handle *nlh;
      struct rtnl_neigh *neigh;
      struct nl_addr *addr;
      int err = 1;

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

      if (argc < 3 || !strcmp(argv[1], "-h")) {
            printf("Usage: nl-neigh-delete <addr> <ifindex>\n");
            return 2;
      }

      nlh = nltool_alloc_handle();
      if (!nlh)
            return -1;

      neigh = rtnl_neigh_alloc();
      if (neigh == NULL)
            goto errout;

      if (nl_connect(nlh, NETLINK_ROUTE) < 0) {
            fprintf(stderr, "%s\n", nl_geterror());
            goto errout_free;
      }

      addr = nl_addr_parse(argv[1], AF_UNSPEC);
      if (addr == NULL) {
            fprintf(stderr, "Invalid address \"%s\"\n", argv[1]);
            goto errout_close;
      }
      rtnl_neigh_set_dst(neigh, addr);
      nl_addr_put(addr);

      rtnl_neigh_set_ifindex(neigh, strtoul(argv[2], NULL, 0));

      if (rtnl_neigh_delete(nlh, neigh, 0) < 0) {
            fprintf(stderr, "%s\n", nl_geterror());
            goto errout_close;
      }

      err = 0;

errout_close:
      nl_close(nlh);
errout_free:
      rtnl_neigh_put(neigh);
errout:
      nl_handle_destroy(nlh);
      return err;
}

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