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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libquadmath/] [printf/] [_itoa.h] - Blame information for rev 740

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1 740 jeremybenn
/* Internal function for converting integers to ASCII.
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   Copyright (C) 1994-1999,2002,2003,2007 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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#ifndef _ITOA_H
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#define _ITOA_H
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/* Convert VALUE into ASCII in base BASE (2..16).
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   Write backwards starting the character just before BUFLIM.
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   Return the address of the first (left-to-right) character in the number.
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   Use upper case letters iff UPPER_CASE is nonzero.  */
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static const char _itoa_lower_digits[16] = "0123456789abcdef";
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static const char _itoa_upper_digits[16] = "0123456789ABCDEF";
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static inline char * __attribute__ ((unused, always_inline))
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_itoa_word (unsigned long value, char *buflim,
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            unsigned int base, int upper_case)
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{
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  const char *digits = (upper_case ? _itoa_upper_digits : _itoa_lower_digits);
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  switch (base)
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    {
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# define SPECIAL(Base)                                                        \
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    case Base:                                                                \
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      do                                                                      \
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        *--buflim = digits[value % Base];                                     \
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      while ((value /= Base) != 0);                                            \
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      break
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      SPECIAL (10);
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      SPECIAL (16);
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      SPECIAL (8);
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    default:
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      do
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        *--buflim = digits[value % base];
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      while ((value /= base) != 0);
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    }
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  return buflim;
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}
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static inline char * __attribute__ ((unused, always_inline))
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_itoa (uint64_t value, char *buflim,
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       unsigned int base, int upper_case)
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{
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  const char *digits = (upper_case ? _itoa_upper_digits : _itoa_lower_digits);
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  switch (base)
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    {
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      SPECIAL (10);
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      SPECIAL (16);
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      SPECIAL (8);
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    default:
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      do
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        *--buflim = digits[value % base];
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      while ((value /= base) != 0);
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    }
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  return buflim;
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}
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# undef SPECIAL
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#endif  /* itoa.h */

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