[geos-commits] [SCM] GEOS branch 3.12 updated. a8df87a0ff1989e8b3b088e25785ee7a0e4769a6

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- Log -----------------------------------------------------------------
commit a8df87a0ff1989e8b3b088e25785ee7a0e4769a6
Author: Daniel Baston <dbaston at gmail.com>
Date:   Wed Mar 25 08:51:17 2026 -0400

    GEOSNode: Avoid crash on collection with empty components

diff --git a/src/noding/GeometryNoder.cpp b/src/noding/GeometryNoder.cpp
index 144d1f306..7ac2a0617 100644
--- a/src/noding/GeometryNoder.cpp
+++ b/src/noding/GeometryNoder.cpp
@@ -59,6 +59,10 @@ public:
     void
     filter_ro(const geom::Geometry* g) override
     {
+        if (g->isEmpty()) {
+            return;
+        }
+
         const geom::LineString* ls = dynamic_cast<const geom::LineString*>(g);
         if(ls) {
             auto coord = ls->getCoordinates();
diff --git a/tests/unit/capi/GEOSNodeTest.cpp b/tests/unit/capi/GEOSNodeTest.cpp
index abda612bb..8c1da4f5f 100644
--- a/tests/unit/capi/GEOSNodeTest.cpp
+++ b/tests/unit/capi/GEOSNodeTest.cpp
@@ -201,5 +201,17 @@ void object::test<8>
     GEOSFree(wkt_expected);
 }
 
+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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