* lib/stat-time.h: (get_stat_birthtime): Check for zero-valued

[gnulib.git] / lib / strtod.c

diff --git a/lib/strtod.c b/lib/strtod.c
index 69c57a4..fdfc09f 100644 (file)
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -1,4 +1,4 @@
-/* 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
@@ -12,43 +12,24 @@
 
    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>
+
 #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.  */
 double
-strtod (nptr, endptr)
-     const char *nptr;
-     char **endptr;
+strtod (const char *nptr, char **endptr)
 {
   register const char *s;
   short int sign;
@@ -71,7 +52,7 @@ strtod (nptr, endptr)
   s = nptr;
 
   /* Eat whitespace.  */
-  while (isspace (*s))
+  while (isspace ((unsigned char) *s))
     ++s;
 
   /* Get the sign.  */
@@ -85,7 +66,7 @@ strtod (nptr, endptr)
   exponent = 0;
   for (;; ++s)
     {
-      if (isdigit (*s))
+      if ('0' <= *s && *s <= '9')
        {
          got_digit = 1;
 
@@ -118,7 +99,7 @@ strtod (nptr, endptr)
   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;