[geos-commits] [SCM] GEOS branch main updated. 8d904e8a1d4fb5e79deb2808987363df2dc71c12

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- Log -----------------------------------------------------------------
commit 8d904e8a1d4fb5e79deb2808987363df2dc71c12
Author: Daniel Baston <dbaston at gmail.com>
Date:   Wed Mar 25 08:55:29 2026 -0400

    GEOSNode: Avoid crash on collection with empty components (#1410)
    
    Resolves https://github.com/libgeos/geos/issues/1406

diff --git a/src/noding/GeometryNoder.cpp b/src/noding/GeometryNoder.cpp
index cab42cb03..7580b6e07 100644
--- a/src/noding/GeometryNoder.cpp
+++ b/src/noding/GeometryNoder.cpp
@@ -66,6 +66,10 @@ public:
     void
     filter_ro(const geom::Geometry* g) override
     {
+        if (g->isEmpty()) {
+            return;
+        }
+
         if(const auto* ls = dynamic_cast<const geom::LineString*>(g)) {
             auto coord = ls->getSharedCoordinates();
             auto ss = std::make_unique<NodedSegmentString>(coord, _constructZ, _constructM, nullptr);
diff --git a/tests/unit/capi/GEOSNodeTest.cpp b/tests/unit/capi/GEOSNodeTest.cpp
index c5be746b5..e1356e44e 100644
--- a/tests/unit/capi/GEOSNodeTest.cpp
+++ b/tests/unit/capi/GEOSNodeTest.cpp
@@ -355,5 +355,17 @@ void object::test<16>()
                                       reinterpret_cast<Geometry*>(expected_), 1e-4);
 }
 
+template<>
+template<>
+void object::test<17>()
+{
+    set_test_name("GeometryCollection with empty element");
+
+    input_ = fromWKT("GEOMETRYCOLLECTION (POLYGON EMPTY, POLYGON ((0 0, 1 1, 0 1, 0 0)))");
+
+    result_ = GEOSNode(input_);
+    ensure(result_);
+}
+
 } // namespace tut
 

-----------------------------------------------------------------------

Summary of changes:
 src/noding/GeometryNoder.cpp     |  4 ++++
 tests/unit/capi/GEOSNodeTest.cpp | 12 ++++++++++++
 2 files changed, 16 insertions(+)


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