Added mimalloc ffi

Author: octavonce

Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Octavian Oncescu <[email protected]>"]
 edition = "2018"
 
 [dependencies]
+libc = "0.2"
 
 [build-dependencies]
 cmake = "0.1"

src/ffi.rs

@@ -1,2 +1,7 @@
 // Copyright 2019 Octavian Oncescu
+use libc::{c_void, size_t};
 
+extern "C" {
+   fn mi_malloc_aligned(size: size_t, alignment: size_t) -> c_void;
+   fn mi_free(p: *const c_void) -> c_void;
+}