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From: =?utf-8?q?Picca_Fr=C3=A9d=C3=A9ric-Emmanuel?= <picca@debian.org>
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
+ }
}
}
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