Method readToBuffer

KittyMemoryEx/KittyIOFile.cpp:165–194

        if (n <= 0)
            break;

        offset += n;
        str->append(buffer.data(), n);
    }

    return _error == 0;
}

bool KittyIOFile::readToBuffer(std::vector<char> *buf)
{
    _error = 0;

    if (!buf)
        return false;

    buf->clear();

    auto s = info();
    if (_error == 0 && s.st_size > 0)
    {
        buf->resize(static_cast<size_t>(s.st_size));
        ssize_t n = pread(0, buf->data(), static_cast<size_t>(s.st_size));
        if (n > 0)
        {
            if (n != static_cast<ssize_t>(s.st_size))
            {
                buf->resize(static_cast<size_t>(n));
            }
            return true;
        }

        buf->clear();
    }