From 3ae8805d65455b093bd698961b89add55055e138 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 2 Jul 2023 21:55:47 +0200
Subject: Add check to avoid crash when the API is misused.

---
 src/cxml.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/cxml.cc b/src/cxml.cc
index e4435a2..c2d8534 100644
--- a/src/cxml.cc
+++ b/src/cxml.cc
@@ -98,6 +98,10 @@ cxml::Node::node_children (string name) const
 	   how get_path works.
 	*/
 
+	if (!_node) {
+		throw cxml::Error("Node has no internal xmlpp node; did you forget to call a read method on cxml::Document?");
+	}
+
 	vector<shared_ptr<cxml::Node>> n;
 	for (auto i: _node->get_children()) {
 		if (i->get_name() == name) {
-- 
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