/* Test legacy IPv4 text-to-address function inet_aton.

   Copyright (C) 1998-2019 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

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

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <array_length.h>

#include <stdio.h>

#include <stdint.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

static const struct tests

{

  const char *input;

  int valid;

  uint32_t result;

} tests[] =

{

  { "", 0, 0 },

  { "-1", 0, 0 },

  { "256", 1, 0x00000100 },

  { "256.", 0, 0 },

  { "255a", 0, 0 },

  { "256a", 0, 0 },

  { "0x100", 1, 0x00000100 },

  { "0200.0x123456", 1, 0x80123456 },

  { "0300.0x89123456.", 0 ,0 },

  { "0100.-0xffff0000", 0, 0 },

  { "0.0xffffff", 1, 0x00ffffff },

  { "0.0x1000000", 0, 0 },

  { "0377.16777215", 1, 0xffffffff },

  { "0377.16777216", 0, 0 },

  { "0x87.077777777", 1, 0x87ffffff },

  { "0x87.0100000000", 0, 0 },

  { "0.1.3", 1, 0x00010003 },

  { "0.256.3", 0, 0 },

  { "256.1.3", 0, 0 },

  { "0.1.0x10000", 0, 0 },

  { "0.1.0xffff", 1, 0x0001ffff },

  { "0.1a.3", 0, 0 },

  { "0.1.a3", 0, 0 },

  { "1.2.3.4", 1, 0x01020304 },

  { "0400.2.3.4", 0, 0 },

  { "1.0x100.3.4", 0, 0 },

  { "1.2.256.4", 0, 0 },

  { "1.2.3.0x100", 0, 0 },

  { "323543357756889", 0, 0 },

  { "10.1.2.3.4", 0, 0 },

  { "192.0.2.1", 1, 0xc0000201 },

  { "192.0.2.2\nX", 1, 0xc0000202 },

  { "192.0.2.3 Y", 1, 0xc0000203 },

  { "192.0.2.3Z", 0, 0 },

  { "192.000.002.010", 1, 0xc0000208 },

};

static int

do_test (void)

{

  int result = 0;

  size_t cnt;

  for (cnt = 0; cnt < array_length (tests); ++cnt)

    {

      struct in_addr addr;

      if ((int) inet_aton (tests[cnt].input, &addr) != tests[cnt].valid)

	{

	  if (tests[cnt].valid)

	    printf ("\"%s\" not seen as valid IP address\n", tests[cnt].input);

	  else

	    printf ("\"%s\" seen as valid IP address\n", tests[cnt].input);

	  result = 1;

	}

      else if (tests[cnt].valid && addr.s_addr != ntohl (tests[cnt].result))

	{

	  printf ("\"%s\" not converted correctly: is %08x, should be %08x\n",

		  tests[cnt].input, addr.s_addr, tests[cnt].result);

	  result = 1;

	}

    }

  return result;

}

#include <support/test-driver.c>