Android_device_huawei_u8100 is a project mainly written in C++ and C, it's free.
CM7 repo for the Huawei U8100
CyanogenMod device configuration for the Huawei U8100
Based a bits and pieces from: https://github.com/psyke83/android_device_huawei_u8160 https://github.com/tilal6991/android_device_huawei_u8150 https://github.com/tas0s/cm_huawei_u8120_joil https://github.com/anryl/u8120