Method readFile

src/SourceData.cpp:235–269

}

bool SourceData::FileData::readFile(FileAccess& file)
{
    reset();
    if(file.fileName().isEmpty())
    {
        return true;
    }

    if(!file.isNormal())
        return true;

    mDataSize = file.sizeForReading();
    /*
        If the extra bytes are removed an unknown heap currption issue is triggered in the
        diff code. I don't have time to track this down to its true root cause.
    */
    m_pBuf = std::make_unique<char[]>(mDataSize + 100); // Alloc 100 byte extra: Safety hack, not nice but does no harm.
                                                        // Some extra bytes at the end of the buffer are needed by
                                                        // the diff algorithm. See also GnuDiff::diff_2_files().
    bool bSuccess = file.readFile(m_pBuf.get(), mDataSize);
    if(!bSuccess)
    {
        m_pBuf = nullptr;
        mDataSize = 0;
    }
    else
    {
        //null terminate buffer
        m_pBuf[mDataSize + 1] = 0;
        m_pBuf[mDataSize + 2] = 0;
        m_pBuf[mDataSize + 3] = 0;
        m_pBuf[mDataSize + 4] = 0;
    }
    return bSuccess;
}

bool SourceData::FileData::readFile(const QString& filename)
{