Support for setting default modes for files and dirs.

demo/iso.c

@@ -31,7 +31,15 @@ int main(int argc, char **argv)
         1, /* rockridge */
         0, /* omit_version_numbers */
         0, /* allow_deep_paths */
-        0 /* sort files */
+        0, /* sort files */
+        0, /* replace_dir_mode */
+        0, /* replace_file_mode */
+        0, /* replace_uid */
+        0, /* replace_gid */
+        0, /* dir_mode */
+        0, /* file_mode */
+        0, /* uid */
+        0  /* gid */
     };
 	
     if (argc < 2) {