stdlib/strtof.c

   1 /* Read decimal floating point numbers.
   2    This file is part of the GNU C Library.
   3    Copyright (C) 1995-2022 Free Software Foundation, Inc.
   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 /* The actual implementation for all floating point sizes is in strtod.c.
  20    These macros tell it to produce the `float' version, `strtof'.  */
  21
  22 #include <bits/floatn.h>
  23
  24 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  25 # define strtof32 __hide_strtof32
  26 # define wcstof32 __hide_wcstof32
  27 #endif
  28
  29 #define FLOAT           float
  30 #define FLT             FLT
  31 #ifdef USE_WIDE_CHAR
  32 #define STRTOF          wcstof
  33 #define STRTOF_L        __wcstof_l
  34 #else
  35 # define STRTOF         strtof
  36 # define STRTOF_L       __strtof_l
  37 #endif
  38
  39
  40 #include "strtod.c"
  41
  42 #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32
  43 # undef strtof32
  44 # undef wcstof32
  45 # ifdef USE_WIDE_CHAR
  46 weak_alias (wcstof, wcstof32)
  47 # else
  48 weak_alias (strtof, strtof32)
  49 # endif
  50 #endif