Wrap all calls to malloc and friends

script/check-mallocs

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+src_dir="src/runtime"
+
+allocation_functions=(
+  malloc
+  calloc
+  realloc
+  free
+)
+
+for function in ${allocation_functions[@]}; do
+  usages=$(grep --line-number -E "\b${function}\(" -r "${src_dir}" --exclude alloc.h )
+
+  if [[ ! -z $usages ]]; then
+    echo "The ${function} function should not be called directly, but is called here:"
+    echo "$usages"
+    exit 1
+  fi
+done