Method FileWriter

src/writer.cpp:43–46

}

FileWriter::FileWriter(const char* file_name) : _size(0) {
    _fd = open(file_name, O_WRONLY | O_TRUNC | O_CREAT, 0644);
    _buf = (char*)malloc(BUF_SIZE);
}

FileWriter::FileWriter(int fd) : _fd(fd), _size(0) {
    _buf = (char*)malloc(BUF_SIZE);