finish

/*
 * Finishes the stream and flushes output buffer. See Zlib::Deflate#finish and
 * Zlib::Inflate#finish for details of this behavior.
 */
static VALUE
rb_zstream_finish(obj)
    VALUE obj;
{
    struct zstream *z = get_zstream(obj);
    VALUE dst;

    zstream_run(z, "", 0, Z_FINISH);
    dst = zstream_detach_buffer(z);

    OBJ_INFECT(dst, obj);
    return dst;
}