flush(p1 = v1)
  public
  
    
    
Flushes all the internal buffers of the GzipWriter object.  The meaning of
flush is same as in
Zlib::Deflate#deflate.  Zlib::SYNC_FLUSH is used if flush is omitted.  It is no use
giving flush
Zlib::NO_FLUSH.
   
  
    Show source    
    
      static VALUE
rb_gzwriter_flush(int argc, VALUE *argv, VALUE obj)
{
    struct gzfile *gz = get_gzfile(obj);
    VALUE v_flush;
    int flush;
    rb_scan_args(argc, argv, "01", &v_flush);
    flush = FIXNUMARG(v_flush, Z_SYNC_FLUSH);
    if (flush != Z_NO_FLUSH) {  /* prevent Z_BUF_ERROR */
        zstream_run(&gz->z, (Bytef*)"", 0, flush);
    }
    gzfile_write_raw(gz);
    if (rb_respond_to(gz->io, id_flush)) {
        rb_funcall(gz->io, id_flush, 0);
    }
    return obj;
}