Method get_file_offsets

src/board_controller/playback_file_board.cpp:417–449

}

int PlaybackFileBoard::get_file_offsets (std::string filename, std::vector<long int> &offsets)
{
    offsets.clear ();

    FILE *fp = fopen (filename.c_str (), "rb");
    if (fp == NULL)
    {
        safe_logger (spdlog::level::err, "failed to open file: {}", filename.c_str ());
        return (int)BrainFlowExitCodes::INVALID_ARGUMENTS_ERROR;
    }

    char buf[MAX_LINE_LENGTH];
    long int bytes_read = 0;
    while (true)
    {
        offsets.push_back (bytes_read);
        char *res = fgets (buf, sizeof (buf), fp);
        bytes_read += (long int)strlen (buf);
        if (res == NULL)
        {
            break;
        }
    }

    fclose (fp);
    if (offsets.size () < 2)
    {
        safe_logger (spdlog::level::err, "empty file: {}", filename);
        return (int)BrainFlowExitCodes::INVALID_ARGUMENTS_ERROR;
    }

    return (int)BrainFlowExitCodes::STATUS_OK;
}