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/* Internal function for converting integers to ASCII.

   Copyright (C) 1994,95,96,97,98,99,2002,2003 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, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifndef _ITOWA_H

#define _ITOWA_H        1

/* Convert VALUE into ASCII in base BASE (2..16).

   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.  */

static const wchar_t _itowa_lower_digits[16] = L_("0123456789abcdef");

static const wchar_t _itowa_upper_digits[16] = L_("0123456789ABCDEF");

static inline wchar_t *

__attribute__ ((unused, always_inline))

_itowa_word (unsigned long value, wchar_t *buflim,

             unsigned int base, int upper_case)

{

  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;

}

static inline wchar_t *

__attribute__ ((unused, always_inline))

_itowa (uint64_t value, wchar_t *buflim,

        unsigned int base, int upper_case)

{

  const wchar_t *digits = (upper_case

                           ? _itowa_upper_digits : _itowa_lower_digits);

  wchar_t *bp = buflim;

  switch (base)

    {

      SPECIAL (10);

      SPECIAL (16);

      SPECIAL (8);

    default:

      do

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

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

    }

  return bp;

}

#undef SPECIAL

#endif  /* itowa.h */