-/* Copyright (C) 1991, 1992, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1997, 1999, 2003, 2006 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
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
#include <ctype.h>
-#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
-# define IN_CTYPE_DOMAIN(c) 1
-#else
-# define IN_CTYPE_DOMAIN(c) isascii(c)
-#endif
-
-#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
-#define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
-#define TOLOWER(c) (IN_CTYPE_DOMAIN (c) ? tolower(c) : (c))
-
#include <math.h>
-#if HAVE_FLOAT_H
-# include <float.h>
-#else
-# define DBL_MAX 1.7976931348623159e+308
-# define DBL_MIN 2.2250738585072010e-308
-#endif
-
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#else
-# define NULL 0
-# ifndef HUGE_VAL
-# define HUGE_VAL HUGE
-# endif
-#endif
+#include <float.h>
+#include <stdlib.h>
+#include <string.h>
/* Convert NPTR to a double. If ENDPTR is not NULL, a pointer to the
character after the last one used in the number is put in *ENDPTR. */
s = nptr;
/* Eat whitespace. */
- while (ISSPACE (*s))
+ while (isspace ((unsigned char) *s))
++s;
/* Get the sign. */
exponent = 0;
for (;; ++s)
{
- if (ISDIGIT (*s))
+ if ('0' <= *s && *s <= '9')
{
got_digit = 1;
if (!got_digit)
goto noconv;
- if (TOLOWER (*s) == 'e')
+ if (tolower ((unsigned char) *s) == 'e')
{
/* Get the exponent specified after the `e' or `E'. */
int save = errno;