OpenSSL::X509::Name#to_a

static VALUE
ossl_x509name_to_a(VALUE self)
{
    X509_NAME *name;
    X509_NAME_ENTRY *entry;
    int i,entries,nid;
    char long_name[512];
    const char *short_name;
    VALUE ary, vname, ret;
    ASN1_STRING *value;

    GetX509Name(self, name);
    entries = X509_NAME_entry_count(name);
    if (entries < 0) {
        OSSL_Debug("name entries < 0!");
        return rb_ary_new();
    }
    ret = rb_ary_new2(entries);
    for (i=0; i<entries; i++) {
        if (!(entry = X509_NAME_get_entry(name, i))) {
            ossl_raise(eX509NameError, NULL);
        }
        if (!i2t_ASN1_OBJECT(long_name, sizeof(long_name),
                             X509_NAME_ENTRY_get_object(entry))) {
            ossl_raise(eX509NameError, NULL);
        }
        nid = OBJ_ln2nid(long_name);
        if (nid == NID_undef) {
            vname = rb_str_new2((const char *) &long_name);
        } else {
            short_name = OBJ_nid2sn(nid);
            vname = rb_str_new2(short_name); /*do not free*/
        }
        value = X509_NAME_ENTRY_get_data(entry);
        ary = rb_ary_new3(3, vname, asn1str_to_str(value), INT2NUM(value->type));
        rb_ary_push(ret, ary);
    }
    return ret;
}