From 0e175f9f0fd872e95225355dbdeca49cd35ec0fd Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Sat, 5 Oct 2013 20:12:28 +0200
Subject: Fixes some BFD bugs and makes logging thread-safe.

---
 filter/tree.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'filter/tree.c')

diff --git a/filter/tree.c b/filter/tree.c
index f6ab75b4..5e1d606a 100644
--- a/filter/tree.c
+++ b/filter/tree.c
@@ -132,3 +132,37 @@ same_tree(struct f_tree *t1, struct f_tree *t2)
     return 0;
   return 1;
 }
+
+
+static void
+tree_node_format(struct f_tree *t, buffer *buf)
+{
+  if (t == NULL)
+    return;
+
+  tree_node_format(t->left, buf);
+
+  val_format(t->from, buf);
+  if (val_compare(t->from, t->to) != 0)
+  {
+    buffer_puts(buf, "..");
+    val_format(t->to, buf);
+  }
+  buffer_puts(buf, ", ");
+
+  tree_node_format(t->right, buf);
+}
+
+void
+tree_format(struct f_tree *t, buffer *buf)
+{
+  buffer_puts(buf, "[");
+ 
+ tree_node_format(t, buf);
+
+ /* Undo last separator */
+  if (buf->pos[-1] != '[')
+    buf->pos -= 2;
+ 
+  buffer_puts(buf, "]");
+}
-- 
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