Felipe Contreras wrote:
> +static inline VALUE cstr_to_str(const char *str)
> +{
> +       if (str == NULL)
> +               return Qnil;
> +       return rb_str_new2(str);
> +}
> +
> +static VALUE git_rb_setup_git_directory(VALUE self)
> +{
> +       int nongit_ok;
> +       const char *prefix;
> +       prefix = setup_git_directory_gently(&nongit_ok);
> +       return rb_ary_new3(2, cstr_to_str(prefix), INT2FIX(nongit_ok));
> +}

Most excellent. Goes to show how well ruby.h is written.

I'm not very familiar with the interface, and am referring to
http://www.ruby-doc.org/docs/ProgrammingRuby/html/ext_ruby.html -- let
me know if there are some other sources.
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