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[glibc.git] / stdlib / strtold_l.c
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1 /* Copyright (C) 1999-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
18 #include <math.h>
19 #include <stdlib.h>
20 #include <xlocale.h>
22 #if defined _LIBC || defined HAVE_WCHAR_H
23 # include <wchar.h>
24 #endif
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
38 #define INTERNAL(x) INTERNAL1(x)
39 #define INTERNAL1(x) __##x##_internal
41 extern double INTERNAL (__STRTOD) (const STRING_TYPE *, STRING_TYPE **,
42 int, __locale_t);
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)
49 return INTERNAL (__STRTOD) (nptr, endptr, group, loc);
51 #ifndef USE_WIDE_CHAR
52 libc_hidden_def (INTERNAL (__STRTOLD))
53 #endif
55 long double
56 weak_function
57 __STRTOLD (const STRING_TYPE *nptr, STRING_TYPE **endptr, __locale_t loc)
59 return INTERNAL (__STRTOD) (nptr, endptr, 0, loc);
61 #if defined _LIBC
62 libc_hidden_def (__STRTOLD)
63 libc_hidden_ver (__STRTOLD, STRTOLD)
64 #endif
65 weak_alias (__STRTOLD, STRTOLD)