diff options
Diffstat (limited to 'gl/c-strtod.c')
-rw-r--r-- | gl/c-strtod.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/gl/c-strtod.c b/gl/c-strtod.c deleted file mode 100644 index 38d472bd..00000000 --- a/gl/c-strtod.c +++ /dev/null @@ -1,112 +0,0 @@ -/* Convert string to double, using the C locale. - - Copyright (C) 2003-2004, 2006, 2009-2010 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* Written by Paul Eggert. */ - -#include <config.h> - -#include "c-strtod.h" - -#include <errno.h> -#include <locale.h> -#include <stdlib.h> -#include <string.h> - -#if LONG -# define C_STRTOD c_strtold -# define DOUBLE long double -# define STRTOD_L strtold_l -#else -# define C_STRTOD c_strtod -# define DOUBLE double -# define STRTOD_L strtod_l -#endif - -/* c_strtold falls back on strtod if strtold doesn't conform to C99. */ -#if LONG && HAVE_C99_STRTOLD -# define STRTOD strtold -#else -# define STRTOD strtod -#endif - -#ifdef LC_ALL_MASK - -/* Cache for the C locale object. - Marked volatile so that different threads see the same value - (avoids locking). */ -static volatile locale_t c_locale_cache; - -/* Return the C locale object, or (locale_t) 0 with errno set - if it cannot be created. */ -static inline locale_t -c_locale (void) -{ - if (!c_locale_cache) - c_locale_cache = newlocale (LC_ALL_MASK, "C", (locale_t) 0); - return c_locale_cache; -} - -#endif - -DOUBLE -C_STRTOD (char const *nptr, char **endptr) -{ - DOUBLE r; - -#ifdef LC_ALL_MASK - - locale_t locale = c_locale (); - if (!locale) - { - if (endptr) - *endptr = (char *) nptr; - return 0; /* errno is set here */ - } - - r = STRTOD_L (nptr, endptr, locale); - -#else - - char *saved_locale = setlocale (LC_NUMERIC, NULL); - - if (saved_locale) - { - saved_locale = strdup (saved_locale); - if (saved_locale == NULL) - { - if (endptr) - *endptr = (char *) nptr; - return 0; /* errno is set here */ - } - setlocale (LC_NUMERIC, "C"); - } - - r = STRTOD (nptr, endptr); - - if (saved_locale) - { - int saved_errno = errno; - - setlocale (LC_NUMERIC, saved_locale); - free (saved_locale); - errno = saved_errno; - } - -#endif - - return r; -} |