Point current buf to next only if end recycled in client_range_clear
Point current buf to next only if end recycled in client_range_clear

doyoubi/corvus,eleme/corvus,jasonjoo2010/corvus,jasonjoo2010/corvus,jasonjoo2010/corvus,eleme/corvus,doyoubi/corvus,eleme/corvus,doyoubi/corvus