mem.ark

// todo
!use "std"

// c bindings

[c] {
    func malloc(size: usize): ^void;
    func realloc(ptr: ^void, size: usize): ^void;
    func free(ptr: ^void): int;
}

struct Block {
    last_alloc: usize,
}

impl Block {

    static func alloc(size: usize): ^void? {
        data: ^void = malloc(size);
        if !data {
            printf("failed to allocate %zd bytes of memory\n", size);
            return None;
        }

        // magical options that don't parse yet!
        // todo tagged enums lol
        return Some(data);
    }

    static func realloc(ptr: ^void, size: usize): ^void? {
        data: ^void = realloc(ptr, size);
        if !data {
            printf("failed to reallocate %zd bytes of memory\n", size)
            return None;
        }
        return Some(data);
    }

    static func free(data: ^void): bool {
        result: int = free(data);
        if !result {
            printf("failed to de-allocate memory\n");
            return false;
        }

        return true;
    }
}