revision: quit pruning diff more quickly when possible

diff --git a/diff.h b/diff.h
index e9ccb38c26c7f1b5b0d5932bb98c2875276cf828..fe5c287a701e871326f5baf8f74048de0e5765d5 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -180,6 +180,7 @@ struct diff_options {
        pathchange_fn_t pathchange;
        change_fn_t change;
        add_remove_fn_t add_remove;
+       void *change_fn_data;
        diff_format_fn_t format_callback;
        void *format_callback_data;
        diff_prefix_fn_t output_prefix;