+/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
+ imcompatible with older versions :-( */
+#define CHAR_OFFSET 0
+
+
+#define FILE_VALID 1
+#define SAME_MODE (1<<1)
+#define SAME_RDEV (1<<2)
+#define SAME_UID (1<<3)
+#define SAME_GID (1<<4)
+#define SAME_DIR (1<<5)
+#define SAME_NAME SAME_DIR
+#define LONG_NAME (1<<6)
+#define SAME_TIME (1<<7)
+