stdlib/strtold_l.c

   1 /* Copyright (C) 1999, 2002, 2004, 2007 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <math.h>
  20 #include <stdlib.h>
  21 #include <xlocale.h>
  22
  23 #if defined _LIBC || defined HAVE_WCHAR_H
  24 # include <wchar.h>
  25 #endif
  26
  27 #ifdef USE_WIDE_CHAR
  28 # define STRING_TYPE    wchar_t
  29 # define STRTOLD        wcstold_l
  30 # define __STRTOLD      __wcstold_l
  31 # define __STRTOD       __wcstod_l
  32 #else
  33 # define STRING_TYPE    char
  34 # define STRTOLD        strtold_l
  35 # define __STRTOLD      __strtold_l
  36 # define __STRTOD       __strtod_l
  37 #endif
  38
  39 #define INTERNAL(x) INTERNAL1(x)
  40 #define INTERNAL1(x) __##x##_internal
  41
  42 extern double INTERNAL (__STRTOD) (const STRING_TYPE *, STRING_TYPE **,
  43                                    int, __locale_t);
  44
  45 /* There is no `long double' type, use the `double' implementations.  */
  46 long double
  47 INTERNAL (__STRTOLD) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
  48                       int group, __locale_t loc)
  49 {
  50   return INTERNAL (__STRTOD) (nptr, endptr, group, loc);
  51 }
  52 #ifndef USE_WIDE_CHAR
  53 libc_hidden_def (INTERNAL (__STRTOLD))
  54 #endif
  55
  56 long double
  57 weak_function
  58 __STRTOLD (const STRING_TYPE *nptr, STRING_TYPE **endptr, __locale_t loc)
  59 {
  60   return INTERNAL (__STRTOD) (nptr, endptr, 0, loc);
  61 }
  62 #if defined _LIBC
  63 libc_hidden_def (__STRTOLD)
  64 libc_hidden_ver (__STRTOLD, STRTOLD)
  65 #endif
  66 weak_alias (__STRTOLD, STRTOLD)