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@@ -0,0 +1,81 @@
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+/* Convert string to double, using the C locale.
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+
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+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 2, or (at your option)
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+ any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program; if not, write to the Free Software Foundation,
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+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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+
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+/* Written by Paul Eggert. */
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+
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+#ifdef HAVE_CONFIG_H
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+# include <config.h>
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+#endif
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+
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+#include "c-strtod.h"
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+
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+#include <locale.h>
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+#include <stdlib.h>
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+
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+#include "xalloc.h"
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+
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+#if LONG
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+# define C_STRTOD c_strtold
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+# define DOUBLE long double
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+# define STRTOD_L strtold_l
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+#else
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+# define C_STRTOD c_strtod
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+# define DOUBLE double
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+# define STRTOD_L strtod_l
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+#endif
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+
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+/* c_strtold falls back on strtod if strtold doesn't conform to C99. */
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+#if LONG && HAVE_C99_STRTOLD
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+# define STRTOD strtold
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+#else
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+# define STRTOD strtod
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+#endif
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+
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+DOUBLE
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+C_STRTOD (char const *nptr, char **endptr)
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+{
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+ DOUBLE r;
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+
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+#ifdef LC_ALL_MASK
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+
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+ locale_t c_locale = newlocale (LC_ALL_MASK, "C", 0);
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+ r = STRTOD_L (nptr, endptr, c_locale);
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+ freelocale (c_locale);
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+
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+#else
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+
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+ char *saved_locale = setlocale (LC_NUMERIC, NULL);
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+
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+ if (saved_locale)
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+ {
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+ saved_locale = xstrdup (saved_locale);
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+ setlocale (LC_NUMERIC, "C");
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+ }
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+
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+ r = STRTOD (nptr, endptr);
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+
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+ if (saved_locale)
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+ {
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+ setlocale (LC_NUMERIC, saved_locale);
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+ free (saved_locale);
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+ }
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+
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+#endif
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+
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+ return r;
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+}
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