Function ucvector_cleanup

samples/shared/lodepng.cpp:244–249

#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)
{