Initial commit

include/allocator.h

@@ -0,0 +1,20 @@
+#ifndef ALLOCATOR_H
+#define ALLOCATOR_H
+
+#include <stdlib.h>
+
+typedef struct Allocator Allocator;
+
+Allocator allocator_default(void);
+
+struct Allocator {
+  void *ctx;
+
+  void *(*alloc)(void *ctx, size_t size);
+
+  void *(*realloc)(void *ctx, void *ptr, size_t old_size, size_t new_size);
+
+  void (*free)(void *ctx, void *ptr, size_t size);
+};
+
+#endif