inet/if_index.c

   1 /* Copyright (C) 1997-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <net/if.h>
  19 #include <errno.h>
  20 #include <stddef.h>
  21
  22 unsigned int
  23 if_nametoindex (const char *ifname)
  24 {
  25   __set_errno (ENOSYS);
  26   return 0;
  27 }
  28 libc_hidden_def (if_nametoindex)
  29 stub_warning (if_nametoindex)
  30
  31 char *
  32 if_indextoname (unsigned int ifindex, char *ifname)
  33 {
  34   __set_errno (ENOSYS);
  35   return NULL;
  36 }
  37 libc_hidden_def (if_indextoname)
  38 stub_warning (if_indextoname)
  39
  40 void
  41 if_freenameindex (struct if_nameindex *ifn)
  42 {
  43 }
  44 stub_warning (if_freenameindex)
  45
  46 struct if_nameindex *
  47 if_nameindex (void)
  48 {
  49   __set_errno (ENOSYS);
  50   return NULL;
  51 }
  52 stub_warning (if_nameindex)
  53
  54 #if 0
  55 void
  56 internal_function
  57 __protocol_available (int *have_inet, int *have_inet6)
  58 {
  59   /* By default we assume that IPv4 is available, IPv6 not.  */
  60   *have_inet = 1;
  61   *have_inet6 = 0;
  62 }
  63 #endif