Callback behaviour in hints

[perl5.git] / util.h

diff --git a/util.h b/util.h
index 7dcf9ce..c077b87 100644 (file)
--- a/util.h
+++ b/util.h
@@ -1,8 +1,43 @@
 /*    util.h
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (c) 1991-2002, Larry Wall
  *
  *    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)[0] && (f)[1] == ':')           /* drive name */        \
+        || ((f)[0] == '\\' && (f)[1] == '\\')) /* UNC path */
+#  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 */