From e0b0f5fd097050b4e32f4bb34b0f0ea33ae6da97 Mon Sep 17 00:00:00 2001
From: LandscapeLab Office <landscapelab@boku.ac.at>
Date: Wed, 20 Dec 2023 13:16:19 +0100
Subject: [PATCH] fix: potential error source in get_extent

---
 src/vector-extractor/NativeLayer.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/vector-extractor/NativeLayer.cpp b/src/vector-extractor/NativeLayer.cpp
index 2b48e0e..43594d3 100644
--- a/src/vector-extractor/NativeLayer.cpp
+++ b/src/vector-extractor/NativeLayer.cpp
@@ -203,10 +203,14 @@ ExtentData NativeLayer::get_extent() {
     OGREnvelope *envelope = new OGREnvelope();
     OGRErr error = layer->GetExtent(envelope);
 
-    ExtentData extent(envelope->MinX, envelope->MaxX, envelope->MinY, envelope->MaxY);
+    if (error == OGRERR_NONE) {
+        ExtentData extent(envelope->MinX, envelope->MaxX, envelope->MinY, envelope->MaxY);
 
-    delete envelope;
-    return extent;
+        delete envelope;
+        return extent;
+    } else {
+        return ExtentData();
+    }
 }
 
 std::list<std::shared_ptr<Feature> > NativeLayer::get_feature_by_id(int id) {