/* Test integer width macros.

   Copyright (C) 2016-2018 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 <limits.h>

#include <stdio.h>

#define CHECK_WIDTH(TYPE, MAX, WIDTH)					\

  do									\

    {									\

      if ((MAX >> ((TYPE) -1 < 0 ? (WIDTH - 2) : (WIDTH - 1))) != 1)	\

	{								\

	  puts ("bad width of " #TYPE);					\

	  result = 1;							\

	}								\

      else								\

	puts ("width of " #TYPE " OK");					\

    }									\

  while (0)

static int

do_test (void)

{

  int result = 0;

#ifndef CHAR_WIDTH

# error "missing CHAR_WIDTH"

#endif

  CHECK_WIDTH (char, CHAR_MAX, CHAR_WIDTH);

#ifndef SCHAR_WIDTH

# error "missing SCHAR_WIDTH"

#endif

  CHECK_WIDTH (signed char, SCHAR_MAX, SCHAR_WIDTH);

#ifndef UCHAR_WIDTH

# error "missing UCHAR_WIDTH"

#endif

  CHECK_WIDTH (unsigned char, UCHAR_MAX, UCHAR_WIDTH);

#ifndef SHRT_WIDTH

# error "missing SHRT_WIDTH"

#endif

  CHECK_WIDTH (signed short, SHRT_MAX, SHRT_WIDTH);

#ifndef USHRT_WIDTH

# error "missing USHRT_WIDTH"

#endif

  CHECK_WIDTH (unsigned short, USHRT_MAX, USHRT_WIDTH);

#ifndef INT_WIDTH

# error "missing INT_WIDTH"

#endif

  CHECK_WIDTH (signed int, INT_MAX, INT_WIDTH);

#ifndef UINT_WIDTH

# error "missing UINT_WIDTH"

#endif

  CHECK_WIDTH (unsigned int, UINT_MAX, UINT_WIDTH);

#ifndef LONG_WIDTH

# error "missing LONG_WIDTH"

#endif

  CHECK_WIDTH (signed long, LONG_MAX, LONG_WIDTH);

#ifndef ULONG_WIDTH

# error "missing ULONG_WIDTH"

#endif

  CHECK_WIDTH (unsigned long, ULONG_MAX, ULONG_WIDTH);

#ifndef LLONG_WIDTH

# error "missing LLONG_WIDTH"

#endif

  CHECK_WIDTH (signed long long, LLONG_MAX, LLONG_WIDTH);

#ifndef ULLONG_WIDTH

# error "missing ULLONG_WIDTH"

#endif

  CHECK_WIDTH (unsigned long long, ULLONG_MAX, ULLONG_WIDTH);

  return result;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"