/* Test getaddrinfo return value, [BZ #15339].

   Copyright (C) 2013-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C 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; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <string.h>

#include <stdio.h>

#include <errno.h>

#include <netdb.h>

static int

try (const char *service, int family, int flags)

{

  struct addrinfo hints, *h, *ai;

  int res;

  memset (&hints, 0, sizeof hints);

  hints.ai_family = family;

  hints.ai_flags = flags;

  errno = 0;

  h = (family || flags) ? &hints : NULL;

  res = getaddrinfo ("example.net", service, h, &ai;;

  switch (res)

    {

    case 0:

    case EAI_AGAIN:

    case EAI_NONAME:

      printf ("SUCCESS getaddrinfo(service=%s, family=%d, flags=%d): %s: %m\n",

              service ?: "NULL", family, flags, gai_strerror (res));

      return 0;

    }

  printf ("FAIL getaddrinfo(service=%s, family=%d, flags=%d): %s: %m\n",

          service ?: "NULL", family, flags, gai_strerror (res));

  return 1;

}

static int

do_test (void)

{

  int err = 0;

  err |= try (NULL, 0, 0);

  err |= try (NULL, AF_UNSPEC, AI_ADDRCONFIG);

  err |= try (NULL, AF_INET, 0);

  err |= try (NULL, AF_INET6, 0);

  err |= try ("http", 0, 0);

  err |= try ("http", AF_UNSPEC, AI_ADDRCONFIG);

  err |= try ("http", AF_INET, 0);

  err |= try ("http", AF_INET6, 0);

  return err;

}

#define TEST_FUNCTION do_test ()

#define TIMEOUT 10

#include "../test-skeleton.c"