-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1997, 1999 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
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#if HAVE_CONFIG_H
+# include <config.h>
#endif
#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>
-#ifdef HAVE_FLOAT_H
-#include <float.h>
+#if HAVE_FLOAT_H
+# include <float.h>
#else
-#define DBL_MAX 1.7976931348623159e+308
-#define DBL_MIN 2.2250738585072010e-308
+# define DBL_MAX 1.7976931348623159e+308
+# define DBL_MIN 2.2250738585072010e-308
#endif
#if STDC_HEADERS
-#include <stdlib.h>
-#include <string.h>
+# include <stdlib.h>
+# include <string.h>
#else
-#define NULL 0
-extern int errno;
-#ifndef HUGE_VAL
-#define HUGE_VAL HUGE
-#endif
+# 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 (*s))
++s;
/* Get the sign. */
exponent = 0;
for (;; ++s)
{
- if (isdigit (*s))
+ if (ISDIGIT (*s))
{
got_digit = 1;
if (!got_digit)
goto noconv;
- if (tolower (*s) == 'e')
+ if (TOLOWER (*s) == 'e')
{
/* Get the exponent specified after the `e' or `E'. */
int save = errno;