1/* Read decimal floating point numbers.
2 This file is part of the GNU C Library.
3 Copyright (C) 1995-2020 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 <https://www.gnu.org/licenses/>. */
19
20#include <bits/floatn.h>
21
22#ifdef FLOAT
23# define BUILD_DOUBLE 0
24#else
25# define BUILD_DOUBLE 1
26#endif
27
28#if BUILD_DOUBLE
29# if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64
30# define strtof64 __hide_strtof64
31# define wcstof64 __hide_wcstof64
32# endif
33# if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X
34# define strtof32x __hide_strtof32x
35# define wcstof32x __hide_wcstof32x
36# endif
37#endif
38
39#include <stdlib.h>
40#include <wchar.h>
41#include <locale/localeinfo.h>
42
43
44#ifndef FLOAT
45# include <math_ldbl_opt.h>
46# define FLOAT double
47# ifdef USE_WIDE_CHAR
48# define STRTOF wcstod
49# define STRTOF_L __wcstod_l
50# else
51# define STRTOF strtod
52# define STRTOF_L __strtod_l
53# endif
54#endif
55
56#ifdef USE_WIDE_CHAR
57# include <wctype.h>
58# define STRING_TYPE wchar_t
59#else
60# define STRING_TYPE char
61#endif
62
63#define INTERNAL(x) INTERNAL1(x)
64#define INTERNAL1(x) __##x##_internal
65
66
67FLOAT
68INTERNAL (STRTOF) (const STRING_TYPE *nptr, STRING_TYPE **endptr, int group)
69{
70 return INTERNAL(STRTOF_L) (nptr, endptr, group, _NL_CURRENT_LOCALE);
71}
72#if defined _LIBC
73libc_hidden_def (INTERNAL (STRTOF))
74#endif
75
76
77FLOAT
78#ifdef weak_function
79weak_function
80#endif
81STRTOF (const STRING_TYPE *nptr, STRING_TYPE **endptr)
82{
83 return INTERNAL(STRTOF_L) (nptr, endptr, 0, _NL_CURRENT_LOCALE);
84}
85#if defined _LIBC
86libc_hidden_def (STRTOF)
87#endif
88
89#ifdef LONG_DOUBLE_COMPAT
90# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
91# ifdef USE_WIDE_CHAR
92compat_symbol (libc, wcstod, wcstold, GLIBC_2_0);
93compat_symbol (libc, __wcstod_internal, __wcstold_internal, GLIBC_2_0);
94# else
95compat_symbol (libc, strtod, strtold, GLIBC_2_0);
96compat_symbol (libc, __strtod_internal, __strtold_internal, GLIBC_2_0);
97# endif
98# endif
99#endif
100
101#if BUILD_DOUBLE
102# if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64
103# undef strtof64
104# undef wcstof64
105# ifdef USE_WIDE_CHAR
106weak_alias (wcstod, wcstof64)
107# else
108weak_alias (strtod, strtof64)
109# endif
110# endif
111# if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X
112# undef strtof32x
113# undef wcstof32x
114# ifdef USE_WIDE_CHAR
115weak_alias (wcstod, wcstof32x)
116# else
117weak_alias (strtod, strtof32x)
118# endif
119# endif
120#endif
121