stdlib/strtof_l.c

   1 /* Convert string representing a number to float value, using given locale.
   2    Copyright (C) 1997-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <bits/floatn.h>
  20
  21 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  22 # define strtof32_l __hide_strtof32_l
  23 # define wcstof32_l __hide_wcstof32_l
  24 #endif
  25
  26 #include <locale.h>
  27
  28 extern float ____strtof_l_internal (const char *, char **, int, locale_t);
  29
  30 #define FLOAT           float
  31 #define FLT             FLT
  32 #ifdef USE_WIDE_CHAR
  33 # define STRTOF         wcstof_l
  34 # define __STRTOF       __wcstof_l
  35 # define STRTOF_NAN     __wcstof_nan
  36 #else
  37 # define STRTOF         strtof_l
  38 # define __STRTOF       __strtof_l
  39 # define STRTOF_NAN     __strtof_nan
  40 #endif
  41 #define MPN2FLOAT       __mpn_construct_float
  42 #define FLOAT_HUGE_VAL  HUGE_VALF
  43
  44 #include "strtod_l.c"
  45
  46 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  47 # undef strtof32_l
  48 # undef wcstof32_l
  49 # ifdef USE_WIDE_CHAR
  50 weak_alias (wcstof_l, wcstof32_l)
  51 # else
  52 weak_alias (strtof_l, strtof32_l)
  53 # endif
  54 #endif