1 /* Convert string to double, using the C locale.
3 Copyright (C) 2003, 2004 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 /* Written by Paul Eggert. */
33 # define C_STRTOD c_strtold
34 # define DOUBLE long double
35 # define STRTOD_L strtold_l
37 # define C_STRTOD c_strtod
38 # define DOUBLE double
39 # define STRTOD_L strtod_l
42 /* c_strtold falls back on strtod if strtold isn't declared. */
43 #if LONG && HAVE_DECL_STRTOLD
44 # define STRTOD strtold
46 # define STRTOD strtod
50 C_STRTOD (char const *nptr, char **endptr)
56 locale_t c_locale = newlocale (LC_ALL_MASK, "C", 0);
57 r = STRTOD_L (nptr, endptr, c_locale);
58 freelocale (c_locale);
62 char *saved_locale = setlocale (LC_NUMERIC, NULL);
66 saved_locale = xstrdup (saved_locale);
67 setlocale (LC_NUMERIC, "C");
70 r = STRTOD (nptr, endptr);
74 setlocale (LC_NUMERIC, saved_locale);