root/maint/gnulib/tests/test-inet_pton.c

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of inet_pton function.
   2    Copyright (C) 2009-2021 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_pton, int, (int, const char *, void *));
  25 
  26 #include <netinet/in.h>
  27 #include <sys/socket.h>
  28 
  29 #include "macros.h"
  30 
  31 int
  32 main (void)
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  33 {
  34 #if defined AF_INET /* HAVE_IPV4 */
  35   {
  36     /* This machine was for a long time known as
  37        ma2s2.mathematik.uni-karlsruhe.de.  */
  38     const char printable[] = "129.13.115.2";
  39     struct in_addr internal;
  40     int ret;
  41 
  42     ret = inet_pton (AF_INET, printable, &internal);
  43     ASSERT (ret == 1);
  44     /* Verify that internal is filled in network byte order.  */
  45     ASSERT (((unsigned char *) &internal)[0] == 0x81);
  46     ASSERT (((unsigned char *) &internal)[1] == 0x0D);
  47     ASSERT (((unsigned char *) &internal)[2] == 0x73);
  48     ASSERT (((unsigned char *) &internal)[3] == 0x02);
  49 # ifdef WORDS_BIGENDIAN
  50     ASSERT (internal.s_addr == 0x810D7302);
  51 # else
  52     ASSERT (internal.s_addr == 0x02730D81);
  53 # endif
  54   }
  55 #endif
  56 
  57   return 0;
  58 }

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