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[glibc.git] / stdlib / strtod.c
blob1d4e4a4c297741a176505208007fe003e0ffc432
1 /* Read decimal floating point numbers.
2 This file is part of the GNU C Library.
3 Copyright (C) 1995-2002, 2003, 2004 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 # define FLOAT double
28 # ifdef USE_WIDE_CHAR
29 # define STRTOF wcstod
30 # define STRTOF_L __wcstod_l
31 # else
32 # define STRTOF strtod
33 # define STRTOF_L __strtod_l
34 # endif
35 #endif
37 #ifdef USE_WIDE_CHAR
38 # include <wctype.h>
39 # define STRING_TYPE wchar_t
40 #else
41 # define STRING_TYPE char
42 #endif
44 #define INTERNAL(x) INTERNAL1(x)
45 #define INTERNAL1(x) __##x##_internal
48 FLOAT
49 INTERNAL (STRTOF) (nptr, endptr, group)
50 const STRING_TYPE *nptr;
51 STRING_TYPE **endptr;
52 int group;
54 return INTERNAL(STRTOF_L) (nptr, endptr, group, _NL_CURRENT_LOCALE);
56 #if defined _LIBC
57 libc_hidden_def (INTERNAL (STRTOF))
58 #endif
61 FLOAT
62 #ifdef weak_function
63 weak_function
64 #endif
65 STRTOF (nptr, endptr)
66 const STRING_TYPE *nptr;
67 STRING_TYPE **endptr;
69 return INTERNAL(STRTOF_L) (nptr, endptr, 0, _NL_CURRENT_LOCALE);