1 /* Internal function for converting integers to ASCII.
2 Copyright (C) 1994,95,96,97,98,99,2002,2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 /* Convert VALUE into ASCII in base BASE (2..36).
26 Write backwards starting the character just before BUFLIM.
27 Return the address of the first (left-to-right) character in the number.
28 Use upper case letters iff UPPER_CASE is nonzero. */
30 extern wchar_t *_itowa (unsigned long long int value, wchar_t *buflim,
31 unsigned int base, int upper_case);
33 static inline wchar_t *
34 __attribute__ ((unused, always_inline))
35 _itowa_word (_ITOA_WORD_TYPE value, wchar_t *buflim,
36 unsigned int base, int upper_case)
38 extern const wchar_t _itowa_upper_digits[] attribute_hidden;
39 extern const wchar_t _itowa_lower_digits[] attribute_hidden;
40 const wchar_t *digits = (upper_case
41 ? _itowa_upper_digits : _itowa_lower_digits);
46 #define SPECIAL(Base) \
49 *--bp = digits[value % Base]; \
50 while ((value /= Base) != 0); \
58 *--bp = digits[value % base];
59 while ((value /= base) != 0);
66 /* No need for special long long versions. */
67 # define _itowa(value, buf, base, upper_case) \
68 _itowa_word (value, buf, base, upper_case)