From: =?utf-8?q?Picca_Fr=C3=A9d=C3=A9ric-Emmanuel?= Date: Wed, 7 Sep 2022 11:56:36 +0200 Subject: avoid segfault when a pointer is null --- src/kd_tree.cpp | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/kd_tree.cpp b/src/kd_tree.cpp index 2828fd2..ed7a106 100644 --- a/src/kd_tree.cpp +++ b/src/kd_tree.cpp @@ -193,10 +193,12 @@ void ANNkd_tree::getStats( // get tree statistics { st.reset(dim, n_pts, bkt_size); // reset stats // create bounding box - ANNorthRect bnd_box(dim, bnd_box_lo, bnd_box_hi); - if (root != NULL) { // if nonempty tree - root->getStats(dim, st, bnd_box); // get statistics - st.avg_ar = st.sum_ar / st.n_lf; // average leaf asp ratio + if (pts != NULL) { + ANNorthRect bnd_box(dim, bnd_box_lo, bnd_box_hi); + if (root != NULL) { // if nonempty tree + root->getStats(dim, st, bnd_box); // get statistics + st.avg_ar = st.sum_ar / st.n_lf; // average leaf asp ratio + } } }