stdlib/strtof_l.c

   1 /* Convert string representing a number to float value, using given locale.
   2    Copyright (C) 1997,98,2002, 2004 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <xlocale.h>
  22
  23 extern float ____strtof_l_internal (const char *, char **, int, __locale_t);
  24 extern unsigned long long int ____strtoull_l_internal (const char *, char **,
  25                                                        int, int, __locale_t);
  26
  27 #define FLOAT           float
  28 #define FLT             FLT
  29 #ifdef USE_WIDE_CHAR
  30 # define STRTOF         wcstof_l
  31 # define __STRTOF       __wcstof_l
  32 #else
  33 # define STRTOF         strtof_l
  34 # define __STRTOF       __strtof_l
  35 #endif
  36 #define MPN2FLOAT       __mpn_construct_float
  37 #define FLOAT_HUGE_VAL  HUGE_VALF
  38 #define SET_MANTISSA(flt, mant) \
  39   do { union ieee754_float u;                                                 \
  40        u.f = (flt);                                                           \
  41        if ((mant & 0x7fffff) == 0)                                            \
  42          mant = 0x400000;                                                     \
  43        u.ieee.mantissa = (mant) & 0x7fffff;                                   \
  44        (flt) = u.f;                                                           \
  45   } while (0)
  46
  47 #include "strtod_l.c"