trie: Add a function to get an arbitrary leaf

This is useful if the stored values need to be cleaned up.

1 files changed, 4 insertions, 0 deletions

diff --git a/trie.c b/trie.c
index ff0e7be..c95dbfa 100644
--- a/trie.c
+++ b/trie.c
@@ -218,6 +218,10 @@ static struct trie_leaf *trie_representative(const struct trie *trie, const void
 	return trie_decode_leaf(ptr);
 }
 
+struct trie_leaf *trie_first_leaf(const struct trie *trie) {
+	return trie_representative(trie, NULL, 0);
+}
+
 struct trie_leaf *trie_find_str(const struct trie *trie, const char *key) {
 	return trie_find_mem(trie, key, strlen(key) + 1);
 }