[ruby-core:31176] Re: Why is there no standard way of creating a String from a char *?

On Fri, Jul 9, 2010 at 15:43, Yusuke ENDOH <[e-mail]> wrote:

> 2010/7/9 Nikolai Weibull <[e-mail]>:

>> I’m sorry for being so slow to understand, but I still don’t see why
>> Ruby can’t use the char * that I’ve malloced myself. ?I want to be
>> able to tell Ruby that ”here, take this char *, I own it, no one else
>> knows about it, guaranteed, and I’m now giving it to you for you to
>> own, I don’t want it anymore”.

> You may want to use rb_str_buf_new instead of malloc.
>
>
>  /* allocate buffer whose size is s */
>  VALUE str = rb_str_buf_new(s);
>
>  /* 'library_call' writes to the buffer */
>  library_call(RSTRING_PTR(str), &s);
>
>  /* update the length of string */
>  rb_str_resize(str, s);
>
>  return str;

Yeah.  I would have liked for the API to be that way, but it’s sadly not.