fork download
copy 
  1. #include <fstream>
  2. int main () {
  3.   const size_t bufsize = 1024*1024;	
  4.   char *buff = new char[bufsize];
  5.   std::ofstream ofs("test.txt", std::ofstream::out);
  6.   ofs.rdbuf()->pubsetbuf(buff, bufsize);
  7.   ofs << "Hello, buffered stream!\n";
  8.   return 0;
  9. }
Success #stdin #stdout 0s 4260KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/DMCZRQ
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!