diff -r 000000000000 -r 804d8803eade ucx/allocator.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ucx/allocator.c	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,60 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2017 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 "ucx/allocator.h"
+
+#include <stdlib.h>
+
+static UcxAllocator default_allocator = {
+    NULL,
+    ucx_default_malloc,
+    ucx_default_calloc,
+    ucx_default_realloc,
+    ucx_default_free
+};
+
+UcxAllocator *ucx_default_allocator() {
+    UcxAllocator *allocator = &default_allocator;
+    return allocator;
+}
+
+void *ucx_default_malloc(void *ignore, size_t n) {
+    return malloc(n);
+}
+
+void *ucx_default_calloc(void *ignore, size_t n, size_t size) {
+    return calloc(n, size);
+}
+
+void *ucx_default_realloc(void *ignore, void *data, size_t n) {
+    return realloc(data, n);
+}
+
+void ucx_default_free(void *ignore, void *data) {
+    free(data);
+}