The t_do bits are not set by this module. The t_next entry is used

to see whether the scan for this phase is already done.
t_do is now set in add_inputs(files.c).

diff --git a/util/ack/scan.c b/util/ack/scan.c
index 29d36b7..94f61ab 100644 (file)
--- a/util/ack/scan.c
+++ b/util/ack/scan.c
@@ -29,15 +29,13 @@ enum f_path getpath(first) register trf **first ; {
 
        start_scan();
        /*
-               The end result is the setting of the t_do flags
-               in the transformation list and the chaining of
+               The end result is the chaining of
                the consequtive phases with the t_next field.
                The list is scanned for possible transformations
                stopping at stopsuffix or the last transformation in the list.
                The scan flags are set by this process.
                When a transformation is found, it is compared with
-               the last transformation found. If better (or the first)
-               the scan bits are copied to the t_do bits.
+               the last transformation found.
        */
        try(l_first(tr_list),p_suffix);
        return scan_end(first);
@@ -107,7 +105,7 @@ try(f_scan,suffix) list_elem *f_scan; char *suffix; {
                                        return ;
                                }
                        }
-                       if ( trafo->t_do ) {
+                       if ( trafo->t_next ) {
                                /* We know what happens from this phase on,
                                   so take a shortcut.
                                */
@@ -229,10 +227,9 @@ enum f_path scan_end(first) trf **first ; {    /* Finalization */
                        } else {
                                *first= curr ;
                        }
-                       if ( curr->t_do ) {
+                       if ( curr->t_next ) {
                                return F_OK ;
                        }
-                       curr->t_do=YES ;
                        prev=curr ;
                }
        }