-#define ARCHIVE_PRESERVE_DATE 1
-#define ARCHIVE_CREATE_LEADING_DIRS 2
-#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
-#define ARCHIVE_EXTRACT_QUIET 8
-#define ARCHIVE_EXTRACT_NEWER 16
-#define ARCHIVE_NOPRESERVE_OWN 32
-#define ARCHIVE_NOPRESERVE_PERM 64
-#define ARCHIVE_NUMERIC_OWNER 128
+#define ARCHIVE_RESTORE_DATE (1 << 0)
+#define ARCHIVE_CREATE_LEADING_DIRS (1 << 1)
+#define ARCHIVE_UNLINK_OLD (1 << 2)
+#define ARCHIVE_EXTRACT_QUIET (1 << 3)
+#define ARCHIVE_EXTRACT_NEWER (1 << 4)
+#define ARCHIVE_DONT_RESTORE_OWNER (1 << 5)
+#define ARCHIVE_DONT_RESTORE_PERM (1 << 6)
+#define ARCHIVE_NUMERIC_OWNER (1 << 7)