Function ClearException

core/android/JNIUtil.cpp:103–109

bool HasException(JNIEnv *env) { return env->ExceptionCheck() != JNI_FALSE; }

bool ClearException(JNIEnv *env) {
    if(!HasException(env))
        return false;
    env->ExceptionDescribe();
    env->ExceptionClear();
    return true;
}

static int getutf8Length(char header) {
    int len = 0;