nss/tst-nss-files-hosts-v4mapped.c

   1 /* Test lookup of IPv4 mapped addresses in files database (bug 25457)
   2
   3    Copyright (C) 2023 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public License as
   8    published by the Free Software Foundation; either version 2.1 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If
  18    not, see <https://www.gnu.org/licenses/>.  */
  19
  20 #include <stdio.h>
  21 #include <arpa/inet.h>
  22 #include <netdb.h>
  23
  24 static int
  25 do_test (void)
  26 {
  27   struct sockaddr_in6 s6 = { .sin6_family = AF_INET6 };
  28   inet_pton (AF_INET6, "::ffff:192.168.0.1", &s6.sin6_addr);
  29
  30   char node[NI_MAXHOST];
  31   int res = getnameinfo ((struct sockaddr *) &s6, sizeof (s6), node,
  32                          sizeof (node), NULL, 0, NI_NAMEREQD);
  33   if (res)
  34     printf ("%d %s\n", res, gai_strerror (res));
  35   else
  36     printf ("node=%s\n", node);
  37
  38   return res != 0;
  39 }
  40
  41 #include <support/test-driver.c>