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我正在使用 boost gzip 来读取压缩文件。当我第一次调用它时，我的程序运行良好。但是当我第二次调用相同的函数时。它失败。我不知道为什么它只工作了一次。谢谢！

void readcheckfile(const char* _checkname,queue<Graphnode> &_q)
{

    int _dep;
    int _val;
    Graphnode currentNode;
    cout<<"hererererererer\n";
    fstream _checkfile(_checkname, fstream::in | fstream::binary);
    cout<<"tthererererererer\n";
    std::stringstream _data;
    boost::iostreams::filtering_streambuf<boost::iostreams::input> in;
    in.push(boost::iostreams::gzip_decompressor());
    in.push(_checkfile);
    boost::iostreams::copy(in, _data);

    cout<<"aaaatthererererererer\n";
    //fstream _checkfile;
    //_checkfile.open(_checkname,fstream::in);
    _data>>_dep;
    while(_data.good())
    {
        currentNode.depth=(unsigned char)_dep;
        _data>>_val;
        currentNode.x=(unsigned char)_val;
        for(i=0;i<16;i++)
        {
            _data>>_val;
            currentNode.state[i]=(unsigned char)_val;
        }
        _q.push(currentNode);
    }
    _checkfile.close();
    //exit(0);
}

当我调用它两次时，终端返回：

hererererererer
tthererererererer
aaaatthererererererer

hererererererer
tthererererererer
libc++abi.dylib: terminate called throwing an exception

=====================================================================================
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   EXIT CODE: 6
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
=====================================================================================
4

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