Function WriteToTempAndRenameToFile

libs/coding/internal/file_data.cpp:234–250

}

bool WriteToTempAndRenameToFile(string const & dest, function<bool(string const &)> const & write, string const & tmp)
{
  string const tmpFileName = tmp.empty() ? dest + ".tmp" + strings::to_string(this_thread::get_id()) : tmp;
  if (!write(tmpFileName))
  {
    LOG(LERROR, ("Can't write to", tmpFileName));
    DeleteFileX(tmpFileName);
    return false;
  }
  if (!RenameFileX(tmpFileName, dest))
  {
    LOG(LERROR, ("Can't rename file", tmpFileName, "to", dest));
    DeleteFileX(tmpFileName);
    return false;
  }
  return true;
}

void AppendFileToFile(string const & fromFilename, string const & toFilename)
{