.
[glibc/history.git] / stdlib / strtod.c
blob0921724dbcd595be0e33265afdda84f21e168af1
1 /* Read decimal floating point numbers.
2 This file is part of the GNU C Library.
3 Copyright (C) 1995-2002,2003,2004,2006,2007 Free Software Foundation, Inc.
4 Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <stdlib.h>
22 #include <wchar.h>
23 #include <locale/localeinfo.h>
26 #ifndef FLOAT
27 # include <math_ldbl_opt.h>
28 # define FLOAT double
29 # ifdef USE_WIDE_CHAR
30 # define STRTOF wcstod
31 # define STRTOF_L __wcstod_l
32 # else
33 # define STRTOF strtod
34 # define STRTOF_L __strtod_l
35 # endif
36 #endif
38 #ifdef USE_WIDE_CHAR
39 # include <wctype.h>
40 # define STRING_TYPE wchar_t
41 #else
42 # define STRING_TYPE char
43 #endif
45 #define INTERNAL(x) INTERNAL1(x)
46 #define INTERNAL1(x) __##x##_internal
49 FLOAT
50 INTERNAL (STRTOF) (nptr, endptr, group)
51 const STRING_TYPE *nptr;
52 STRING_TYPE **endptr;
53 int group;
55 return INTERNAL(STRTOF_L) (nptr, endptr, group, _NL_CURRENT_LOCALE);
57 #if defined _LIBC
58 libc_hidden_def (INTERNAL (STRTOF))
59 #endif
62 FLOAT
63 #ifdef weak_function
64 weak_function
65 #endif
66 STRTOF (nptr, endptr)
67 const STRING_TYPE *nptr;
68 STRING_TYPE **endptr;
70 return INTERNAL(STRTOF_L) (nptr, endptr, 0, _NL_CURRENT_LOCALE);
72 #if defined _LIBC
73 libc_hidden_def (STRTOF)
74 #endif
76 #ifdef LONG_DOUBLE_COMPAT
77 # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
78 # ifdef USE_WIDE_CHAR
79 compat_symbol (libc, wcstod, wcstold, GLIBC_2_0);
80 compat_symbol (libc, __wcstod_internal, __wcstold_internal, GLIBC_2_0);
81 # else
82 compat_symbol (libc, strtod, strtold, GLIBC_2_0);
83 compat_symbol (libc, __strtod_internal, __strtold_internal, GLIBC_2_0);
84 # endif
85 # endif
86 #endif