tests/test-inet_ntop.c

   1 /* Test of inet_ntop function.
   2    Copyright (C) 2009-2024 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 test_exit_status;
  56 }