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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libquadmath/printf/_itoa.h
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libquadmath/printf/_itoa.h')
-rw-r--r--gcc-4.9/libquadmath/printf/_itoa.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc-4.9/libquadmath/printf/_itoa.h b/gcc-4.9/libquadmath/printf/_itoa.h
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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 */