X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrtod.c;h=81e9f8a9d712862224b2dd0d599c2d9263549ad5;hb=ea12546cdee0548bded92ecffcf257aa5b6a125f;hp=4441102dfe74157c5e332d0ef8d6eb3e2fb3c797;hpb=43e78b970f396160a887c9da94531569faeda8a0;p=gnulib.git

diff --git a/lib/strtod.c b/lib/strtod.c
index 4441102df..81e9f8a9d 100644
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -1,41 +1,57 @@
-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   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 2, or (at your option)
+   any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   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 Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   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.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
 
 #include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
+
 #include <ctype.h>
-#include <math.h>
 
-#if STDC_HEADERS
-#include <float.h>
-#include <stdlib.h>
-#include <string.h>
+#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+# define IN_CTYPE_DOMAIN(c) 1
 #else
-#define NULL 0
-#define DBL_MAX 1.7976931348623159e+308
-#define DBL_MIN 2.2250738585072010e-308
-extern int errno;
+# define IN_CTYPE_DOMAIN(c) isascii(c)
 #endif
-#ifndef HUGE_VAL
-#define HUGE_VAL HUGE
+
+#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__
-#define const
+#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
@@ -66,7 +82,7 @@ strtod (nptr, endptr)
   s = nptr;
 
   /* Eat whitespace.  */
-  while (isspace (*s))
+  while (ISSPACE (*s))
     ++s;
 
   /* Get the sign.  */
@@ -80,7 +96,7 @@ strtod (nptr, endptr)
   exponent = 0;
   for (;; ++s)
     {
-      if (isdigit (*s))
+      if (ISDIGIT (*s))
 	{
 	  got_digit = 1;
 
@@ -113,7 +129,7 @@ strtod (nptr, endptr)
   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;