Function check_image_size

imagequant-sys/src/ffi.rs:581–595

(attr: &liq_attr, width: u32, height: u32)

}

pub(crate) fn check_image_size(attr: &liq_attr, width: u32, height: u32) -> bool {
    if bad_object!(attr, LIQ_ATTR_MAGIC) { return false; }

    if width == 0 || height == 0 {
        return false;
    }

    if width as usize > c_int::MAX as usize / std::mem::size_of::<liq_color>() / height as usize ||
       width as usize > c_int::MAX as usize / 16 / std::mem::size_of::<f32>() ||
       height as usize > c_int::MAX as usize / std::mem::size_of::<usize>()
    {
        return false;
    }
    true
}

#[no_mangle]
#[inline(never)]