Fix compilation error introduced on 2009-04-25.

[gnulib.git] / lib / strtol.c

diff --git a/lib/strtol.c b/lib/strtol.c
index d556e94..0b2c82a 100644 (file)
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -1,14 +1,15 @@
 /* Convert string representation of a number into an integer value.
 
-   Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2003
+   Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2005,
+   2006, 2007
    Free Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@gnu.org.
 
-   This program is free software; you can redistribute it and/or modify it
+   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
+   Free Software Foundation; either version 3 of the License, or any
    later version.
 
    This program is distributed in the hope that it will be useful,
@@ -17,22 +18,16 @@
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifdef _LIBC
 # define USE_NUMBER_GROUPING
+#else
+# include <config.h>
 #endif
 
 #include <ctype.h>
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
 #ifndef __set_errno
 # define __set_errno(Val) errno = (Val)
 #endif
@@ -124,19 +119,34 @@ extern int errno;
 # define STRTOL_LONG_MAX LONG_LONG_MAX
 # define STRTOL_ULONG_MAX ULONG_LONG_MAX
 
-/* The extra casts work around common compiler bugs,
-   e.g. Cray C 5.0.3.0 when t == time_t.  */
-# ifndef TYPE_SIGNED
-#  define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
-# endif
-# ifndef TYPE_MINIMUM
-#  define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
-                               ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) \
-                               : (t) 0))
-# endif
-# ifndef TYPE_MAXIMUM
-#  define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
-# endif
+/* The extra casts in the following macros work around compiler bugs,
+   e.g., in Cray C 5.0.3.0.  */
+
+/* True if negative values of the signed integer type T use two's
+   complement, ones' complement, or signed magnitude representation,
+   respectively.  Much GNU code assumes two's complement, but some
+   people like to be portable to all possible C hosts.  */
+# define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
+# define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
+# define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
+
+/* True if the arithmetic type T is signed.  */
+# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+
+/* The maximum and minimum values for the integer type T.  These
+   macros have undefined behavior if T is signed and has padding bits.
+   If this is a problem for you, please let us know how to fix it for
+   your host.  */
+# define TYPE_MINIMUM(t) \
+   ((t) (! TYPE_SIGNED (t) \
+        ? (t) 0 \
+        : TYPE_SIGNED_MAGNITUDE (t) \
+        ? ~ (t) 0 \
+        : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
+# define TYPE_MAXIMUM(t) \
+   ((t) (! TYPE_SIGNED (t) \
+        ? (t) -1 \
+        : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
 
 # ifndef ULONG_LONG_MAX
 #  define ULONG_LONG_MAX TYPE_MAXIMUM (unsigned long long)
@@ -171,15 +181,13 @@ extern int errno;
 # define _NL_CURRENT(category, item) \
   (current->values[_NL_ITEM_INDEX (item)].string)
 # define LOCALE_PARAM , loc
-# define LOCALE_PARAM_DECL , __locale_t loc
+# define LOCALE_PARAM_PROTO , __locale_t loc
 #else
 # define LOCALE_PARAM
-# define LOCALE_PARAM_DECL
+# define LOCALE_PARAM_PROTO
 #endif
 
-#if defined _LIBC || defined HAVE_WCHAR_H
-# include <wchar.h>
-#endif
+#include <wchar.h>
 
 #ifdef USE_WIDE_CHAR
 # include <wctype.h>
@@ -196,11 +204,6 @@ extern int errno;
 #  define TOUPPER(Ch) towupper (Ch)
 # endif
 #else
-# 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 L_(Ch) Ch
 # define UCHAR_TYPE unsigned char
 # define STRING_TYPE char
@@ -209,9 +212,9 @@ extern int errno;
 #  define ISALPHA(Ch) __isalpha_l ((Ch), loc)
 #  define TOUPPER(Ch) __toupper_l ((Ch), loc)
 # else
-#  define ISSPACE(Ch) (IN_CTYPE_DOMAIN (Ch) && isspace (Ch))
-#  define ISALPHA(Ch) (IN_CTYPE_DOMAIN (Ch) && isalpha (Ch))
-#  define TOUPPER(Ch) (IN_CTYPE_DOMAIN (Ch) ? toupper (Ch) : (Ch))
+#  define ISSPACE(Ch) isspace (Ch)
+#  define ISALPHA(Ch) isalpha (Ch)
+#  define TOUPPER(Ch) toupper (Ch)
 # endif
 #endif
 
@@ -235,7 +238,7 @@ extern int errno;
 
 INT
 INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
-                  int base, int group LOCALE_PARAM_DECL)
+                  int base, int group LOCALE_PARAM_PROTO)
 {
   int negative;
   register unsigned LONG int cutoff;
@@ -426,7 +429,7 @@ INT
 weak_function
 #endif
 strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr,
-       int base LOCALE_PARAM_DECL)
+       int base LOCALE_PARAM_PROTO)
 {
   return INTERNAL (strtol) (nptr, endptr, base, 0 LOCALE_PARAM);
 }