MINOR: pattern: during reload, delete elements frem the ref, not the expression

Instead of scanning all elements from the expression and using the
slow delete path there, let's use the faster way which involves
pat_delete_gen() while the elements are detached from ther reference.

diff --git a/src/pattern.c b/src/pattern.c
index 9b58d35..b2f06fe 100644 (file)
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -2074,9 +2074,8 @@ void pat_ref_reload(struct pat_ref *ref, struct pat_ref *replace)
                        LIST_DEL_INIT(&bref->users);
                        bref->ref = NULL;
                }
+               pat_delete_gen(ref, elt);
                LIST_DEL(&elt->list);
-               LIST_DEL(&elt->list_head);
-               LIST_DEL(&elt->tree_head);
                free(elt->pattern);
                free(elt->sample);
                free(elt);
@@ -2087,7 +2086,6 @@ void pat_ref_reload(struct pat_ref *ref, struct pat_ref *replace)
        LIST_DEL(&replace->head);
 
        list_for_each_entry(expr, &ref->pat, list) {
-               expr->pat_head->prune(expr);
                list_for_each_entry(elt, &ref->head, list) {
                        char *err = NULL;
                        struct sample_data *data = NULL;