/* Convert string representation of a number into an integer value.
- Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2005
+ 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,
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
/* 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 twos
- complement, ones complement, or signed magnitude representation,
- respectively. Much GNU code assumes twos complement, but some
+/* 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)
+# 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
- (i.e., bits that do not contribute to the value), or if T uses
- signed-magnitude representation. If this is a problem for you,
- please let us know how to fix it for your host. */
+ 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 \
# 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>
# 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
# 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