[7/9] msvcirt: Implement stdiobuf::setrwbuf

[Piotr Caban]

On 10/02/15 15:03, Iván Matellanes wrote:
> +    if (buffer_size < 0)
> +        return 0;
> +    if (read_size == 0 && write_size == 0) {
> +        this->base.unbuffered = 1;
> +        return 0;
> +    }
Something like this makes more sense (and matches Windows 7 behavior):
if (read_size < 0 || write_size < 0)
     return 0;
if (!buffer_size) {
     this->base.unbuffered = 1;
     return 0;
}

Thanks,
Piotr