stdlib/strtold_l.c

   1 /* Copyright (C) 1999-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <math.h>
  19 #include <stdlib.h>
  20 #include <xlocale.h>
  21
  22 #if defined _LIBC || defined HAVE_WCHAR_H
  23 # include <wchar.h>
  24 #endif
  25
  26 #ifdef USE_WIDE_CHAR
  27 # define STRING_TYPE    wchar_t
  28 # define STRTOLD        wcstold_l
  29 # define __STRTOLD      __wcstold_l
  30 # define __STRTOD       __wcstod_l
  31 #else
  32 # define STRING_TYPE    char
  33 # define STRTOLD        strtold_l
  34 # define __STRTOLD      __strtold_l
  35 # define __STRTOD       __strtod_l
  36 #endif
  37
  38 #define INTERNAL(x) INTERNAL1(x)
  39 #define INTERNAL1(x) __##x##_internal
  40
  41 extern double INTERNAL (__STRTOD) (const STRING_TYPE *, STRING_TYPE **,
  42                                    int, __locale_t);
  43
  44 /* There is no `long double' type, use the `double' implementations.  */
  45 long double
  46 INTERNAL (__STRTOLD) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
  47                       int group, __locale_t loc)
  48 {
  49   return INTERNAL (__STRTOD) (nptr, endptr, group, loc);
  50 }
  51 #ifndef USE_WIDE_CHAR
  52 libc_hidden_def (INTERNAL (__STRTOLD))
  53 #endif
  54
  55 long double
  56 weak_function
  57 __STRTOLD (const STRING_TYPE *nptr, STRING_TYPE **endptr, __locale_t loc)
  58 {
  59   return INTERNAL (__STRTOD) (nptr, endptr, 0, loc);
  60 }
  61 #if defined _LIBC
  62 libc_hidden_def (__STRTOLD)
  63 libc_hidden_ver (__STRTOLD, STRTOLD)
  64 #endif
  65 weak_alias (__STRTOLD, STRTOLD)