diff -r 425234b05dff -r 949908c97474 src/array_list.c
--- a/src/array_list.c	Mon Jan 22 19:34:38 2024 +0100
+++ b/src/array_list.c	Wed Jan 24 22:19:05 2024 +0100
@@ -31,6 +31,21 @@
 #include <assert.h>
 #include <string.h>
 
+// Default array reallocator
+
+static void *cx_array_default_realloc(
+        void *array,
+        size_t capacity,
+        size_t elem_size,
+        __attribute__((__unused__)) struct cx_array_reallocator_s *alloc
+) {
+    return realloc(array, capacity * elem_size);
+}
+
+struct cx_array_reallocator_s cx_array_default_reallocator = {
+        cx_array_default_realloc, NULL, NULL, 0, 0
+};
+
 // LOW LEVEL ARRAY LIST FUNCTIONS
 
 enum cx_array_copy_result cx_array_copy(