diff -r 2e8878770de0 -r 8aea65ae1eaf src/allocator.c
--- a/src/allocator.c	Sun Mar 06 13:57:36 2022 +0100
+++ b/src/allocator.c	Sat Apr 09 16:37:43 2022 +0200
@@ -31,22 +31,36 @@
 #include <stdlib.h>
 
 __attribute__((__malloc__, __alloc_size__(2)))
-static void *cx_malloc_stdlib(__attribute__((__unused__)) void *d, size_t n) {
+static void *cx_malloc_stdlib(
+        __attribute__((__unused__)) void *d,
+        size_t n
+) {
     return malloc(n);
 }
 
 __attribute__((__warn_unused_result__, __alloc_size__(3)))
-static void *cx_realloc_stdlib(__attribute__((__unused__)) void *d, void *mem, size_t n) {
+static void *cx_realloc_stdlib(
+        __attribute__((__unused__)) void *d,
+        void *mem,
+        size_t n
+) {
     return realloc(mem, n);
 }
 
 __attribute__((__malloc__, __alloc_size__(2, 3)))
-static void *cx_calloc_stdlib(__attribute__((__unused__)) void *d, size_t nelem, size_t n) {
+static void *cx_calloc_stdlib(
+        __attribute__((__unused__)) void *d,
+        size_t nelem,
+        size_t n
+) {
     return calloc(nelem, n);
 }
 
 __attribute__((__nonnull__))
-static void cx_free_stdlib(__attribute__((__unused__)) void *d, void *mem) {
+static void cx_free_stdlib(
+        __attribute__((__unused__)) void *d,
+        void *mem
+) {
     free(mem);
 }
 
@@ -66,14 +80,14 @@
 /* IMPLEMENTATION OF HIGH LEVEL API */
 
 void *cxMalloc(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         size_t n
 ) {
     return allocator->cl->malloc(allocator->data, n);
 }
 
 void *cxRealloc(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         void *mem,
         size_t n
 ) {
@@ -81,7 +95,7 @@
 }
 
 int cxReallocate(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         void **mem,
         size_t n
 ) {
@@ -95,7 +109,7 @@
 }
 
 void *cxCalloc(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         size_t nelem,
         size_t n
 ) {
@@ -103,7 +117,7 @@
 }
 
 void cxFree(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         void *mem
 ) {
     allocator->cl->free(allocator->data, mem);