From: "NARUSE, Yui" <naruse@...>
Date: 2012-02-23T10:56:40+09:00
Subject: [ruby-core:42822] Re: [ruby-trunk - Feature #6065] Allow Bignum marshalling/unmarshalling from C API

2012/2/23 Martin Bosslet <Martin.Bosslet@googlemail.com>:
> Akira Tanaka wrote:
>> 2012/2/23 Martin Bosslet <Martin.Bosslet@googlemail.com>:
>>
>> �> Currently, there's no public C API to create a Bignum.
>> �> There is rb_big_pack and rb_big_unpack that will do the
>> �> job, but they are not portable.
>>
>> �How are they not portable?
>> �--
>> �Tanaka Akira
>
> Sorry, "not portable" was probably the wrong wording. I meant
> I can't use them e.g. from Rubinius because they're not part
> of the public API and they rely on machine endianness.

String#to_s is current workaround.
ruby -ropenssl -e'p OpenSSL::BN.new((1<<64).to_s(16), 16)'

-- 
NARUSE, Yui �<naruse@airemix.jp>