stdlib/strtof.c

   1 /* Read decimal floating point numbers.
   2    This file is part of the GNU C Library.
   3    Copyright (C) 1995-2017 Free Software Foundation, Inc.
   4    Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.
   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, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* The actual implementation for all floating point sizes is in strtod.c.
  21    These macros tell it to produce the `float' version, `strtof'.  */
  22
  23 #include <bits/floatn.h>
  24
  25 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  26 # define strtof32 __hide_strtof32
  27 # define wcstof32 __hide_wcstof32
  28 #endif
  29
  30 #define FLOAT           float
  31 #define FLT             FLT
  32 #ifdef USE_WIDE_CHAR
  33 #define STRTOF          wcstof
  34 #define STRTOF_L        __wcstof_l
  35 #else
  36 # define STRTOF         strtof
  37 # define STRTOF_L       __strtof_l
  38 #endif
  39
  40
  41 #include "strtod.c"
  42
  43 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  44 # undef strtof32
  45 # undef wcstof32
  46 # ifdef USE_WIDE_CHAR
  47 weak_alias (wcstof, wcstof32)
  48 # else
  49 weak_alias (strtof, strtof32)
  50 # endif
  51 #endif