/* Internal function for converting integers to ASCII.

   Copyright (C) 1994-2018 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/>.  */

#ifndef _ITOWA_H

#define _ITOWA_H	1

#include <features.h>

#include <wchar.h>

#include <_itoa.h>

/* Convert VALUE into ASCII in base BASE (2..36).

   Write backwards starting the character just before BUFLIM.

   Return the address of the first (left-to-right) character in the number.

   Use upper case letters iff UPPER_CASE is nonzero.  */

extern wchar_t *_itowa (unsigned long long int value, wchar_t *buflim,

			unsigned int base, int upper_case);

static inline wchar_t *

__attribute__ ((unused, always_inline))

_itowa_word (_ITOA_WORD_TYPE value, wchar_t *buflim,

	     unsigned int base, int upper_case)

{

  extern const wchar_t _itowa_upper_digits[] attribute_hidden;

  extern const wchar_t _itowa_lower_digits[] attribute_hidden;

  const wchar_t *digits = (upper_case

			   ? _itowa_upper_digits : _itowa_lower_digits);

  wchar_t *bp = buflim;

  switch (base)

    {

#define SPECIAL(Base)							      \

    case Base:								      \

      do								      \

	*--bp = digits[value % Base];					      \

      while ((value /= Base) != 0);					      \

      break

      SPECIAL (10);

      SPECIAL (16);

      SPECIAL (8);

    default:

      do

	*--bp = digits[value % base];

      while ((value /= base) != 0);

    }

  return bp;

}

#undef SPECIAL

#if !_ITOA_NEEDED

/* No need for special long long versions.  */

# define _itowa(value, buf, base, upper_case) \

  _itowa_word (value, buf, base, upper_case)

#endif

#endif	/* itowa.h */