[PATCH] added malloc usable size and test

[Karel Gardas]

Zack,

not in the position of reviewing your code, but you should probably fill 
the template markers (<FIRST YEAR>, <LAST YEAR> <COPYRIGHT HOLDER>) in 
the license comment below.

Thanks,
Karel

On 3/4/22 03:49, zack leung wrote:
> + * SPDX-License-Identifier: BSD-2-Clause
> + *
> + * Copyright (C) <FIRST YEAR>, <LAST YEAR> <COPYRIGHT HOLDER>