/* handy.h
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
- * 2000, 2001, 2002, 2004, 2005, 2006, by Larry Wall and others
+ * 2000, 2001, 2002, 2004, 2005, 2006, 2007, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#endif
#endif
-#define Null(type) ((type)NULL)
+#ifndef PERL_CORE
+# define Null(type) ((type)NULL)
/*
=head1 Handy Values
=for apidoc AmU||Nullch
-Null character pointer.
+Null character pointer. (No longer available when C<PERL_CORE> is defined.)
=for apidoc AmU||Nullsv
-Null SV pointer.
+Null SV pointer. (No longer available when C<PERL_CORE> is defined.)
=cut
*/
-#define Nullch Null(char*)
-#define Nullfp Null(PerlIO*)
-#define Nullsv Null(SV*)
+# define Nullch Null(char*)
+# define Nullfp Null(PerlIO*)
+# define Nullsv Null(SV*)
+#endif
#ifdef TRUE
#undef TRUE
# define isASCII(c) ((c) <= 127)
# define isCNTRL(c) ((c) < ' ' || (c) == 127)
# define isGRAPH(c) (isALNUM(c) || isPUNCT(c))
-# define isPRINT(c) (((c) > 32 && (c) < 127) || (c) == ' ')
+# define isPRINT(c) (((c) >= 32 && (c) < 127))
# define isPUNCT(c) (((c) >= 33 && (c) <= 47) || ((c) >= 58 && (c) <= 64) || ((c) >= 91 && (c) <= 96) || ((c) >= 123 && (c) <= 126))
# define isXDIGIT(c) (isDIGIT(c) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
# define toUPPER(c) (isLOWER(c) ? (c) - ('a' - 'A') : (c))