[Boost-users] ASIO: What is the proper way to upload a LARGE file?

I have successfully been using this code to upload small stuff: try { // open tcp connection tcp::iostream net_stream(strSubmitServer, "12345"); // send file name net_stream << strFile << endl; // copy file char ch; while ((ch = fgetc(f)) != EOF) net_stream << ch; } catch (std::exception& e) { std::cout << "Exception: " << e.what() << std::endl; } Needless to say, the code above is extremely slow/inefficient for bulky transfers. Now I need to upload some large fails, and tried this: tcp::iostream net_stream(SERVER_ADDR, "12345"); // send file name net_stream << IN_FILE << "\n"; // send tags data size net_stream << count << "\n"; // copy tags data net_stream.write((char *)data, count); <<== app crashes here I figured that TCP would break the delivery into packets... TIA, -Ramon