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-rw-r--r--src/ui/knot/knot-ptr.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/ui/knot/knot-ptr.cpp b/src/ui/knot/knot-ptr.cpp
new file mode 100644
index 0000000..8e275ac
--- /dev/null
+++ b/src/ui/knot/knot-ptr.cpp
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#include <algorithm>
+#include <glib.h>
+#include <list>
+#include "knot-ptr.h"
+
+static std::list<void*> deleted_knots;
+
+void knot_deleted_callback(void* knot) {
+ if (std::find(deleted_knots.begin(), deleted_knots.end(), knot) == deleted_knots.end()) {
+ deleted_knots.push_back(knot);
+ }
+}
+
+void knot_created_callback(void* knot) {
+ std::list<void*>::iterator it = std::find(deleted_knots.begin(), deleted_knots.end(), knot);
+ if (it != deleted_knots.end()) {
+ deleted_knots.erase(it);
+ }
+}
+
+void check_if_knot_deleted(void* knot) {
+ if (std::find(deleted_knots.begin(), deleted_knots.end(), knot) != deleted_knots.end()) {
+ g_warning("Accessed knot after it was freed at %p", knot);
+ }
+}