Function LodePNGUnknownChunks_copy

dependency/densecrf/examples/lodepng.cpp:2753–2772

}

static unsigned LodePNGUnknownChunks_copy(LodePNGInfo* dest, const LodePNGInfo* src)
{
    unsigned i;
    
    LodePNGUnknownChunks_cleanup(dest);
    
    for(i = 0; i != 3; ++i)
    {
        size_t j;
        dest->unknown_chunks_size[i] = src->unknown_chunks_size[i];
        dest->unknown_chunks_data[i] = (unsigned char*)lodepng_malloc(src->unknown_chunks_size[i]);
        if(!dest->unknown_chunks_data[i] && dest->unknown_chunks_size[i]) return 83; /*alloc fail*/
        for(j = 0; j < src->unknown_chunks_size[i]; ++j)
        {
            dest->unknown_chunks_data[i][j] = src->unknown_chunks_data[i][j];
        }
    }
    
    return 0;
}

/******************************************************************************/