-/* Copyright (C) 1991, 1992 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. */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
#include <ctype.h>
+
#include <math.h>
-#ifdef 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
/* 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. */
double
-strtod (nptr, endptr)
- const char *nptr;
- char **endptr;
+strtod (const char *nptr, char **endptr)
{
register const char *s;
short int sign;
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;