size_t GetFileSize(FILE* file) {

  fseek(file, , SEEK_END);

  return static_cast<size_t>(ftell(file));

}

std::string ReadEntireFile(FILE* file) {

  const size_t file_size = GetFileSize(file);

  char* const buffer = new char[file_size];

  size_t bytes_last_read = ;  // # of bytes read in the last fread()

  size_t bytes_read = ;       // # of bytes read so far

  fseek(file, , SEEK_SET);

  // Keeps reading the file until we cannot read further or the

  // pre-determined file size is reached.

  do {

    bytes_last_read = fread(buffer+bytes_read, , file_size-bytes_read, file);

    bytes_read += bytes_last_read;

  } while (bytes_last_read >  && bytes_read < file_size);

  const std::string content(buffer, bytes_read);

  delete[] buffer;

  return content;

}