Function liq_attr_create_with_allocator

imagequant-sys/src/ffi.rs:427–435

(_unused: *mut c_void, free: unsafe extern "C" fn(*mut c_void))

#[inline(never)]
#[deprecated(note = "custom allocators are no longer supported")]
pub extern "C" fn liq_attr_create_with_allocator(_unused: *mut c_void, free: unsafe extern "C" fn(*mut c_void)) -> Option<Box<liq_attr>> {
    let attr = Box::new(liq_attr {
        magic_header: LIQ_ATTR_MAGIC,
        inner: Attributes::new(),
        c_api_free: free,
    });
    debug_assert_eq!(std::ptr::addr_of!(*attr), unsafe { attr_to_liq_attr_ptr(&attr.inner) } as *const liq_attr);
    Some(attr)
}

#[no_mangle]
#[inline(never)]