X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/9607fc9c489d4095e3baa795d7ead7acba96137d..5383bea48295157ec239aaa7b40cfb64d93bf734:/util.h

diff --git a/util.h b/util.h
index 7dcf9ce..2319d15 100644
--- a/util.h
+++ b/util.h
@@ -1,8 +1,43 @@
 /*    util.h
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1999, 2001, 2002,
+ *    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.
  *
  */
+
+#ifdef VMS
+#  define PERL_FILE_IS_ABSOLUTE(f) \
+	(*(f) == '/'							\
+	 || (strchr(f,':')						\
+	     || ((*(f) == '[' || *(f) == '<')				\
+		 && (isALNUM((f)[1]) || strchr("$-_]>",(f)[1])))))
+
+#else		/* !VMS */
+#  ifdef WIN32
+#    define PERL_FILE_IS_ABSOLUTE(f) \
+	(*(f) == '/' || *(f) == '\\'		/* UNC/rooted path */	\
+	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
+#  else		/* !WIN32 */
+#  ifdef NETWARE
+#    define PERL_FILE_IS_ABSOLUTE(f) \
+	(((f)[0] && (f)[1] == ':')		/* drive name */	\
+	 || ((f)[0] == '\\' && (f)[1] == '\\')	/* UNC path */	\
+	 ||	((f)[3] == ':'))				/* volume name, currently only sys */
+#  else		/* !NETWARE */
+#    if defined( DOSISH) || defined(EPOC)
+#      define PERL_FILE_IS_ABSOLUTE(f) \
+	(*(f) == '/'							\
+	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
+#    else	/* NEITHER DOSISH NOR EPOCISH */
+#      ifdef MACOS_TRADITIONAL
+#        define PERL_FILE_IS_ABSOLUTE(f)	(strchr(f, ':') && *(f) != ':')
+#      else /* !MACOS_TRADITIONAL */
+#        define PERL_FILE_IS_ABSOLUTE(f)	(*(f) == '/')
+#      endif /* MACOS_TRADITIONAL */
+#    endif	/* DOSISH */
+#   endif	/* NETWARE */
+#  endif	/* WIN32 */
+#endif		/* VMS */