From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- stdio/_itoa.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 stdio/_itoa.h (limited to 'stdio/_itoa.h') diff --git a/stdio/_itoa.h b/stdio/_itoa.h new file mode 100644 index 0000000..791ce6c --- /dev/null +++ b/stdio/_itoa.h @@ -0,0 +1,54 @@ +/* Internal function for converting integers to ASCII. +Copyright (C) 1994 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _ITOA_H +#define _ITOA_H +#include + +extern const char _itoa_lower_digits[], _itoa_upper_digits[]; + +/* 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 __P ((unsigned long long int value, char *buflim, + unsigned int base, int upper_case)); + +#if defined (__GNUC__) && defined (__OPTIMIZE__) +extern __inline char * +_itoa (unsigned long long int value, char *buflim, + unsigned int base, int upper_case) +{ + /* Base-36 digits for numbers. */ + const char *digits = upper_case ? _itoa_upper_digits : _itoa_lower_digits; + + register char *bp = buflim; + + while (value > 0) + { + *--bp = digits[value % base]; + value /= base; + } + + return bp; +} +#endif + +#endif /* itoa.h */ -- cgit v1.1