diff -r 33e7b6ebf403 -r a89857072ace src/list.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/list.c	Tue Feb 15 19:41:48 2022 +0100
@@ -0,0 +1,59 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "cx/list.h"
+
+CxList *cxListDestroy(CxList *list) {
+    if (list->content_destructor == NULL) {
+        if (list->autofree_contents) {
+            CxIterator iter = cxListBegin(list);
+            cx_foreach(void*, elem, iter) {
+                cxFree(list->allocator, elem);
+            }
+        }
+    } else {
+        // avoid checking this condition every loop iteration
+        if (list->autofree_contents) {
+            CxIterator iter = cxListBegin(list);
+            cx_foreach(void*, elem, iter) {
+                cxFree(list->allocator, list->content_destructor(elem));
+            }
+        } else {
+            CxIterator iter = cxListBegin(list);
+            cx_foreach(void*, elem, iter) {
+                elem = list->content_destructor(elem);
+            }
+        }
+    }
+    if (list->autofree) {
+        cxFree(list->allocator, list->list_destructor(list));
+        return NULL;
+    } else {
+        return list->list_destructor(list);
+    }
+}