writeutf16le.cpp

#include <fstream>
#include <iostream>

int main() {
  char16_t output_buffer[] = u"hello world";
  size_t len = sizeof(output_buffer) / sizeof(char16_t);
  std::ofstream out("output.ut16.txt", std::ios::binary | std::ios::trunc);
  out.write(reinterpret_cast<char *>(output_buffer), len * sizeof(char16_t));
  std::cout << "wrote " << out.tellp() << " bytes" << std::endl;
  out.close();
  if (!out) {
    std::cerr << "Something is wrong with the file IO." << std::endl;
    return EXIT_FAILURE;
  }
  return EXIT_SUCCESS;
}