Function Realloc

alg/zonal.cpp:228–254

template <typename T>
void Realloc(T &buf, size_t size1, size_t size2, bool &success)
{
    if (!success)
    {
        return;
    }
    if constexpr (sizeof(size_t) < sizeof(uint64_t))
    {
        if (size1 > std::numeric_limits<size_t>::max() / size2)
        {
            success = false;
            CPLError(CE_Failure, CPLE_OutOfMemory,
                     "Too big memory allocation attempt");
            return;
        }
    }
    const auto size = size1 * size2;
    auto oldBuf = buf.release();
    auto newBuf = static_cast<typename T::element_type *>(
        VSI_REALLOC_VERBOSE(oldBuf, size));
    if (newBuf == nullptr)
    {
        VSIFree(oldBuf);
        success = false;
    }
    buf.reset(newBuf);
}

static void CalculateCellCenters(const GDALRasterWindow &window,
                                 const GDALGeoTransform &gt, double *padfX,