diff -r aeaf7db26fac -r c094afcdfb27 src/ucx/allocator.c
--- a/src/ucx/allocator.c	Sun Jul 09 15:14:26 2023 +0200
+++ b/src/ucx/allocator.c	Mon Jul 10 18:39:24 2023 +0200
@@ -75,6 +75,20 @@
 };
 CxAllocator *cxDefaultAllocator = &cx_default_allocator;
 
+
+int cx_reallocate(
+        void **mem,
+        size_t n
+) {
+    void *nmem = realloc(*mem, n);
+    if (nmem == NULL) {
+        return 1;
+    } else {
+        *mem = nmem;
+        return 0;
+    }
+}
+
 // IMPLEMENTATION OF HIGH LEVEL API
 
 void *cxMalloc(