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-rw-r--r--src/utils/trie.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/utils/trie.c b/src/utils/trie.c
index f447860..b92573f 100644
--- a/src/utils/trie.c
+++ b/src/utils/trie.c
@@ -38,6 +38,8 @@ b_trie_free_node(b_trie_t *trie, b_trie_node_t *node)
void
b_trie_free(b_trie_t *trie)
{
+ if (trie == NULL)
+ return;
b_trie_free_node(trie, trie->root);
free(trie);
}