tree 2a7d462a75f2480367eaf25cb240903fe285b573
parent 2b6d80cdddc64c5eeaf5b3490a089d451bb75048
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602532943 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602532943 -0700

move some functions out of common

Change-Id: I4c6c5c6f22af09295680ada106d0070cc85340a6