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-rw-r--r--filter/config.Y10
1 files changed, 6 insertions, 4 deletions
diff --git a/filter/config.Y b/filter/config.Y
index d1dd081..ebe6f49 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -27,15 +27,17 @@ static int make_pair(int i1, int i2)
struct f_tree *f_generate_rev_wcard(int from, int to, int expr)
{
- struct f_tree * ret = NULL;
- if(from <= to) {
+ struct f_tree *ret = NULL, *last = NULL;
+
+ while (from <= to) {
ret = f_new_tree();
ret->from.type = ret->to.type = T_PAIR;
ret->from.val.i = ret->to.val.i = make_pair(from, expr);
- ret->left = f_generate_rev_wcard(from+1, to, expr);
+ ret->left = last;
+
+ from++; last = ret;
}
return ret;
-
}
CF_DECLS