text: //
  // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  //
  #include "tl_file_outputer.h"
  
  #include <cassert>
  
  namespace td {
  namespace tl {
  
  void tl_file_outputer::append(const std::string &str) {
    assert(f != NULL);
    std::fprintf(f, "%s", str.c_str());
  }
  
  tl_file_outputer::tl_file_outputer() : f(NULL) {
  }
  
  void tl_file_outputer::close() {
    if (f) {
      std::fclose(f);
    }
  }
  
  bool tl_file_outputer::open(const std::string &file_name) {
    close();
  
    f = std::fopen(file_name.c_str(), "w");
  
    return (f != NULL);
  }
  
  tl_file_outputer::~tl_file_outputer() {
    close();
  }
  
  }  // namespace tl
  }  // namespace td
  