/* Test of inet_pton function.

   Copyright (C) 2009-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

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

   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2009.  */

#include <config.h>

#include <arpa/inet.h>

#include "signature.h"

SIGNATURE_CHECK (inet_pton, int, (int, const char *, void *));

#include <netinet/in.h>

#include <sys/socket.h>

#include "macros.h"

int

main (void)

{

#if defined AF_INET /* HAVE_IPV4 */

  {

    /* This machine was for a long time known as

       ma2s2.mathematik.uni-karlsruhe.de.  */

    const char printable[] = "129.13.115.2";

    struct in_addr internal;

    int ret;

    ret = inet_pton (AF_INET, printable, &internal);

    ASSERT (ret == 1);

    /* Verify that internal is filled in network byte order.  */

    ASSERT (((unsigned char *) &internal)[0] == 0x81);

    ASSERT (((unsigned char *) &internal)[1] == 0x0D);

    ASSERT (((unsigned char *) &internal)[2] == 0x73);

    ASSERT (((unsigned char *) &internal)[3] == 0x02);

# ifdef WORDS_BIGENDIAN

    ASSERT (internal.s_addr == 0x810D7302);

# else

    ASSERT (internal.s_addr == 0x02730D81);

# endif

  }

#endif

  return 0;

}