From: Yoshiki Tsunesada <ytsunesada@...>
Date: 2005-01-28T01:04:50+09:00
Subject: Re: How to correctly create ruby objects from C extensions.

On Thu, 27 Jan 2005 23:52:48 +0900, Brian Schr�der wrote:
> Hello Group,
> 
> I'm asking myself what is the way to create a ruby object correctly from
> a C extension. As I've extracted from ruby.h and README.EXT the things I
> can come up with are:

  See for example http://www.ruby-doc.org/doxygen/1.8.1/index.html

> rb_eval_string(constructing_string) 
> // Which is ugly because of eval and because of C string functions.
 
  To get char* pointer from Ruby string,
    char *p;
    p = StringValuePtr(rubyString);
  To create Ruby string from C string,
    return rb_str_new( (char pointer), (length));
  or 
    return rb_str_new2("a string");
  or with rb_str_new3(), 4(), 5() and other functions.