| /* 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 _ITOA_H |
| #define _ITOA_H |
| #include <sys/cdefs.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 char *_itoa (unsigned long long int value, char *buflim, |
| unsigned int base, int upper_case); |
| |
| extern const char _itoa_upper_digits[]; |
| extern const char _itoa_upper_digits_internal[] attribute_hidden; |
| extern const char _itoa_lower_digits[]; |
| extern const char _itoa_lower_digits_internal[] attribute_hidden; |
| |
| #ifndef NOT_IN_libc |
| extern char *_itoa_word (unsigned long value, char *buflim, |
| unsigned int base, int upper_case); |
| #else |
| static inline char * __attribute__ ((unused, always_inline)) |
| _itoa_word (unsigned long value, char *buflim, |
| unsigned int base, int upper_case) |
| { |
| const char *digits = (upper_case |
| # if defined IS_IN_rtld |
| ? INTUSE(_itoa_upper_digits) |
| : INTUSE(_itoa_lower_digits) |
| # else |
| ? _itoa_upper_digits |
| : _itoa_lower_digits |
| # endif |
| ); |
| |
| switch (base) |
| { |
| # define SPECIAL(Base) \ |
| case Base: \ |
| do \ |
| *--buflim = digits[value % Base]; \ |
| while ((value /= Base) != 0); \ |
| break |
| |
| SPECIAL (10); |
| SPECIAL (16); |
| SPECIAL (8); |
| default: |
| do |
| *--buflim = digits[value % base]; |
| while ((value /= base) != 0); |
| } |
| return buflim; |
| } |
| # undef SPECIAL |
| #endif |
| |
| /* Similar to the _itoa functions, but output starts at buf and pointer |
| after the last written character is returned. */ |
| extern char *_fitoa_word (unsigned long value, char *buf, unsigned int base, |
| int upper_case) attribute_hidden; |
| extern char *_fitoa (unsigned long long value, char *buf, unsigned int base, |
| int upper_case) attribute_hidden; |
| |
| #endif /* itoa.h */ |