From 8f76b91f6f731e83af439c74a7c99dfcc508fd34 Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Mon, 13 Jan 2025 17:31:45 +0100
Subject: fuzz: add 2 new fuzzers for KD-trees and Ball-trees (#2670)

---
 src/lib/third_party/src/kdtree.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/third_party/src/kdtree.c b/src/lib/third_party/src/kdtree.c
index a3a2823c8..4628f7f9e 100644
--- a/src/lib/third_party/src/kdtree.c
+++ b/src/lib/third_party/src/kdtree.c
@@ -160,6 +160,9 @@ static void clear_rec(struct kdnode *node, void (*destr)(void*))
 
 void kd_clear(struct kdtree *tree)
 {
+  if (!tree)
+    return;
+
   clear_rec(tree->root, tree->destr);
   tree->root = 0;
 
@@ -206,6 +209,9 @@ static int insert_rec(struct kdnode **nptr, const double *pos, void *data, int d
 
 int kd_insert(struct kdtree *tree, const double *pos, void *data)
 {
+  if (!tree)
+    return -1;
+
   if (insert_rec(&tree->root, pos, data, 0, tree->dim)) {
     return -1;
   }
-- 
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