Method write

src/streams.cpp:95–113

}

void AutoFile::write(std::span<const std::byte> src)
{
    if (!m_file) throw std::ios_base::failure("AutoFile::write: file handle is nullptr");
    if (!m_obfuscation) {
        if (std::fwrite(src.data(), 1, src.size(), m_file) != src.size()) {
            throw std::ios_base::failure("AutoFile::write: write failed");
        }
        m_was_written = true;
        if (m_position.has_value()) *m_position += src.size();
    } else {
        std::array<std::byte, 4096> buf;
        while (src.size()) {
            auto buf_now{std::span{buf}.first(std::min<size_t>(src.size(), buf.size()))};
            std::copy_n(src.begin(), buf_now.size(), buf_now.begin());
            write_buffer(buf_now);
            src = src.subspan(buf_now.size());
        }
    }
}

void AutoFile::write_buffer(std::span<std::byte> src)
{