Function ucvector_cleanup

dependency/densecrf/examples/lodepng.cpp:239–244

#ifdef LODEPNG_COMPILE_PNG

static void ucvector_cleanup(void* p)
{
    ((ucvector*)p)->size = ((ucvector*)p)->allocsize = 0;
    lodepng_free(((ucvector*)p)->data);
    ((ucvector*)p)->data = NULL;
}

static void ucvector_init(ucvector* p)
{