X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/d45b1de81aa47cef4ca098a4b2725d855b154162..38a0a95ff69327042421b9ee6982e386175f141b:/src/src/tree.c

diff --git a/src/src/tree.c b/src/src/tree.c
index 17216052b..219a53580 100644
--- a/src/src/tree.c
+++ b/src/src/tree.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/tree.c,v 1.3 2006/02/07 11:19:00 ph10 Exp $ */
+/* $Cambridge: exim/src/src/tree.c,v 1.4 2006/09/19 11:28:45 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -342,4 +342,26 @@ return NULL;
 }
 
 
+
+/*************************************************
+*   Walk tree recursively and execute function   *
+*************************************************/
+
+/*
+Arguments:
+  p       root of the tree
+  f       function to execute for each name-value-pair
+  ctx     context data for f
+*/
+
+void
+tree_walk(tree_node *p, void (*f)(uschar*, uschar*, void*), void *ctx)
+{
+if (p == NULL) return;
+f(p->name, p->data.ptr, ctx);
+if (p->left != NULL) tree_walk(p->left, f, ctx);
+if (p->right != NULL) tree_walk(p->right, f, ctx);
+}
+
+
 /* End of tree.c */