1 /* Test host lookup with double dots at the end, [BZ #16469].
2 Copyright (C) 2014-2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <sys/types.h>
20 #include <sys/socket.h>
28 static char host1
[] = "localhost..";
29 static char host2
[] = "www.gnu.org..";
30 static char *hosts
[] = { host1
, host2
};
34 for (i
= 0; i
< sizeof (hosts
) / sizeof (*hosts
); i
++)
36 char *host
= hosts
[i
];
37 size_t len
= strlen (host
);
40 /* If the name doesn't resolve with a single dot at the
43 if (getaddrinfo (host
, NULL
, NULL
, &ai
) != 0)
45 printf ("resolving \"%s\" failed, skipping this hostname\n", host
);
48 printf ("resolving \"%s\" worked, proceeding to test\n", host
);
51 /* If it resolved with a single dot, check that it doesn't with
52 a second trailing dot. */
54 if (getaddrinfo (host
, NULL
, NULL
, &ai
) == 0)
56 printf ("resolving \"%s\" worked, test failed\n", host
);
59 printf ("resolving \"%s\" failed, test passed\n", host
);
63 /* We want at least one successful name resolution for the test to
68 #define TEST_FUNCTION test ()
69 #include "../test-skeleton.c"