--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/ccutil/list.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,70 @@
+/**********************************************************************
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ ** http://www.apache.org/licenses/LICENSE-2.0
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ *
+ **********************************************************************/
+
+#ifndef LIST_ITERATOR_H
+#define LIST_ITERATOR_H
+
+#include <stdint.h>
+
+namespace tesseract {
+
+template <typename ITERATOR, typename CLASSNAME>
+class X_ITER : public ITERATOR {
+public:
+  X_ITER() = default;
+  template <typename U>
+  X_ITER(U *list) : ITERATOR(list) {}
+
+  CLASSNAME *data() {
+    return static_cast<CLASSNAME *>(ITERATOR::data());
+  }
+  CLASSNAME *data_relative(int8_t offset) {
+    return static_cast<CLASSNAME *>(ITERATOR::data_relative(offset));
+  }
+  CLASSNAME *forward() {
+    return static_cast<CLASSNAME *>(ITERATOR::forward());
+  }
+  CLASSNAME *extract() {
+    return static_cast<CLASSNAME *>(ITERATOR::extract());
+  }
+};
+
+template <typename CONTAINER, typename ITERATOR, typename CLASSNAME>
+class X_LIST : public CONTAINER {
+public:
+  X_LIST() = default;
+  X_LIST(const X_LIST &) = delete;
+  X_LIST &operator=(const X_LIST &) = delete;
+  ~X_LIST() {
+    clear();
+  }
+
+  /* delete elements */
+  void clear() {
+    CONTAINER::internal_clear([](void *link) {delete reinterpret_cast<CLASSNAME *>(link);});
+  }
+
+  /* Become a deep copy of src_list */
+  template <typename U>
+  void deep_copy(const U *src_list, CLASSNAME *(*copier)(const CLASSNAME *)) {
+    X_ITER<ITERATOR, CLASSNAME> from_it(const_cast<U *>(src_list));
+    X_ITER<ITERATOR, CLASSNAME> to_it(this);
+
+    for (from_it.mark_cycle_pt(); !from_it.cycled_list(); from_it.forward())
+      to_it.add_after_then_move((*copier)(from_it.data()));
+  }
+};
+
+} // namespace tesseract
+
+#endif