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author | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
commit | 40d7cd0fd78fe2004e2a53c4618c148339b02733 (patch) | |
tree | 5874557a6c86a1f564a03e5f28b266e31bc3759c /gcc-4.6/libquadmath/printf/_itowa.h | |
parent | fe2afdf3f3701489c05d2a7509752d6f0c7616f7 (diff) | |
download | toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.gz toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.bz2 toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.zip |
Add gcc-4.6. Synced to @180989
Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile
Diffstat (limited to 'gcc-4.6/libquadmath/printf/_itowa.h')
-rw-r--r-- | gcc-4.6/libquadmath/printf/_itowa.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gcc-4.6/libquadmath/printf/_itowa.h b/gcc-4.6/libquadmath/printf/_itowa.h new file mode 100644 index 000000000..4717b5c65 --- /dev/null +++ b/gcc-4.6/libquadmath/printf/_itowa.h @@ -0,0 +1,83 @@ +/* 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 _ITOWA_H +#define _ITOWA_H 1 + +/* 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 wchar_t _itowa_lower_digits[16] = L_("0123456789abcdef"); +static const wchar_t _itowa_upper_digits[16] = L_("0123456789ABCDEF"); + +static inline wchar_t * +__attribute__ ((unused, always_inline)) +_itowa_word (unsigned long value, wchar_t *buflim, + unsigned int base, int upper_case) +{ + const wchar_t *digits = (upper_case + ? _itowa_upper_digits : _itowa_lower_digits); + wchar_t *bp = buflim; + + switch (base) + { +#define SPECIAL(Base) \ + case Base: \ + do \ + *--bp = digits[value % Base]; \ + while ((value /= Base) != 0); \ + break + + SPECIAL (10); + SPECIAL (16); + SPECIAL (8); + default: + do + *--bp = digits[value % base]; + while ((value /= base) != 0); + } + return bp; +} + +static inline wchar_t * +__attribute__ ((unused, always_inline)) +_itowa (uint64_t value, wchar_t *buflim, + unsigned int base, int upper_case) +{ + const wchar_t *digits = (upper_case + ? _itowa_upper_digits : _itowa_lower_digits); + wchar_t *bp = buflim; + + switch (base) + { + SPECIAL (10); + SPECIAL (16); + SPECIAL (8); + default: + do + *--bp = digits[value % base]; + while ((value /= base) != 0); + } + return bp; +} +#undef SPECIAL + +#endif /* itowa.h */ |