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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libquadmath/] [printf/] [_itoa.h] - Rev 741
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/* Internal function for converting integers to ASCII. Copyright (C) 1994-1999,2002,2003,2007 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 /* 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 char _itoa_lower_digits[16] = "0123456789abcdef"; static const char _itoa_upper_digits[16] = "0123456789ABCDEF"; 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 ? _itoa_upper_digits : _itoa_lower_digits); 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; } static inline char * __attribute__ ((unused, always_inline)) _itoa (uint64_t value, char *buflim, unsigned int base, int upper_case) { const char *digits = (upper_case ? _itoa_upper_digits : _itoa_lower_digits); switch (base) { SPECIAL (10); SPECIAL (16); SPECIAL (8); default: do *--buflim = digits[value % base]; while ((value /= base) != 0); } return buflim; } # undef SPECIAL #endif /* itoa.h */
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