1  /* Test of inet_ntop function.
       2     Copyright (C) 2009-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program 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
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  /* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
      18  
      19  #include <config.h>
      20  
      21  #include <arpa/inet.h>
      22  
      23  #include "signature.h"
      24  SIGNATURE_CHECK (inet_ntop, char const *, (int, void const *, char *,
      25                                             socklen_t));
      26  
      27  #include <netinet/in.h>
      28  #include <sys/socket.h>
      29  #include <string.h>
      30  
      31  #include "macros.h"
      32  
      33  int
      34  main (void)
      35  {
      36  #if defined AF_INET /* HAVE_IPV4 */
      37    {
      38      struct in_addr internal;
      39      char printable[16];
      40      const char *result;
      41  
      42      /* This machine was for a long time known as
      43         ma2s2.mathematik.uni-karlsruhe.de.  */
      44  # ifdef WORDS_BIGENDIAN
      45      internal.s_addr = 0x810D7302;
      46  # else
      47      internal.s_addr = 0x02730D81;
      48  # endif
      49      result = inet_ntop (AF_INET, &internal, printable, sizeof (printable));
      50      ASSERT (result != NULL);
      51      ASSERT (strcmp (result, "129.13.115.2") == 0);
      52    }
      53  #endif
      54  
      55    return 0;
      56  }