{"author_url":"https://blog.hatena.ne.jp/mirichi/","height":"190","description":"Ruby1.9\u306eDL\u3067\u3002 require 'DL' str = \"\\xb8\\xff\\x7f\\x00\\x00\\xc3\" # mov eax, 0x7fff : ret i = [str].pack(\"P\").unpack(\"l!\")[0] cfunc = DL::CFunc.new(i, DL::TYPE_INT) p cfunc.call([]) #=> 32767 \u6587\u5b57\u5217\u3068\u3057\u3066\u30d0\u30a4\u30ca\u30ea\u3092\u76f4\u63a5\u751f\u6210\u3057\u3066\u3001\u305d\u306e\u30dd\u30a4\u30f3\u30bf\u3092DL\u306b\u6e21\u3057\u3066\u547c\u3073\u51fa\u305b\u3070\u3001\u30de\u30b7\u30f3\u8a9e\u306e\u30b3\u30fc\u30c9\u3092\u547c\u3076\u3053\u3068\u304c\u3067\u304d\u308b\u3002 Windows\u306b\u306fDEP\u3068\u3044\u3046\u30c7\u30fc\u30bf\u9818\u57df\u5b9f\u884c\u4fdd\u8b77\u6a5f\u80fd\u304c\u3042\u308b\u304c\u3001\u3068\u308a\u3042\u3048\u305aXP\u306eSP2\u4ee5\u964d\u306f\u30b7\u30b9\u30c6\u30e0\u3057\u304b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u2026","image_url":null,"url":"https://mirichi.hatenadiary.org/entry/20120719/p1","width":"100%","categories":["Ruby"],"blog_title":"mirichi\u306e\u65e5\u8a18","published":"2012-07-19 00:00:00","version":"1.0","title":"Ruby\u304b\u3089\u30de\u30b7\u30f3\u8a9e\u3092\u76f4\u63a5\u547c\u3076","blog_url":"https://mirichi.hatenadiary.org/","provider_url":"https://hatena.blog","author_name":"mirichi","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmirichi.hatenadiary.org%2Fentry%2F20120719%2Fp1\" title=\"Ruby\u304b\u3089\u30de\u30b7\u30f3\u8a9e\u3092\u76f4\u63a5\u547c\u3076 - mirichi\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","type":"rich"}