Re: Need to use streams/buffers, but NOT related to cout, cin or
* Ramon F Herrera:
I have looked all over the net for this, but all the hits I get are
about cout, cin or streams linked to disk files.
The feature that I need is in-core (boy, that's an ancient term)
streams and buffers.
Back when I was a C programmer, I implemented my own streaming like
char output_buffer[150 *1024];
char pointer = *output_buffer;
pointer += sprintf(pointer, "Some text here %s\n", somevariable1);
pointer += sprintf(pointer, "Some more text here %s\n",
pointer += sprintf(pointer, "Some further stuff here %s\n",
I then discovered something that looks exactly what I need, but it is
inside the Boost library. See snippet below.
I bet that standard C++ and/or the STL must contain some facility that
performs the functionality of the code below.
request_stream << "GET " << argv << " HTTP/1.0\r\n";
request_stream << "Host: " << argv << "\r\n";
request_stream << "Accept: */*\r\n";
request_stream << "Connection: close\r\n\r\n";
// Send the request.
You're already using Boost.
Boost has some support for "in-core" streams, that is, memory mapped streams,
for interprocess communication.
But possibly what you want is something far simpler, namely like
stream << "Some text here " << someVariable1 << "\n";
stream << "Some more text here " << someVariable2 << "\n";
stream << "Some further stuff here " << someVariable3 << "\n";
std::string const s = stream.str();
where std::ostringstream is one of the std::stringstream "bethren"[?] that Peter
Koch Larsen referred you to.
Cheers & hth.,
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