cgfs.py 文件源码

def truncate(self, length):
        self.data = self.get_data()

        if length == 0:
            self.data = bytes('', 'utf8')
        elif length <= len(self.data):
            self.data = self.data[:length]
        else:
            self.data = self.data + bytes(
                '\0' * (length - self.stat['st_size']), 'utf8'
            )

        self.overwrite = True