Function liq_received_invalid_pointer

imagequant-sys/src/ffi.rs:84–90

(ptr: *const u8)

#[no_mangle]
#[inline(never)]
unsafe extern "C" fn liq_received_invalid_pointer(ptr: *const u8) -> bool {
    if ptr.is_null() {
        return true;
    }
    let _ = ptr::read_volatile(ptr);
    false
}

macro_rules! bad_object {
    ($obj:expr, $tag:expr) => {{