1  /* Tests for res_init in libresolv
       2     Copyright (C) 2004-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       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.
       9  
      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.
      14  
      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/>.  */
      18  
      19  #undef gethostbyname
      20  
      21  #include <mcheck.h>
      22  #include <netdb.h>
      23  #include <resolv.h>
      24  #include <support/check.h>
      25  
      26  void __libc_freeres (void);
      27  
      28  static int
      29  do_test (void)
      30  {
      31    mtrace ();
      32    for (int i = 0; i < 20; ++i)
      33      {
      34        TEST_VERIFY_EXIT (res_init () == 0);
      35        if (gethostbyname ("www.gnu.org") == NULL)
      36  	FAIL_EXIT1 ("%s\n", hstrerror (h_errno));
      37      }
      38    return 0;
      39  }
      40  
      41  #define TEST_FUNCTION do_test ()
      42  #define TIMEOUT 30
      43  /* This defines the `main' function and some more.  */
      44  #include <test-skeleton.c>