Function ucvector_resize

src/lodepng.cpp:207–223

returns 1 if success, 0 if failure ==> nothing done*/

/*returns 1 if success, 0 if failure ==> nothing done*/
static unsigned ucvector_resize(ucvector* p, size_t size)
{
  if(size * sizeof(unsigned char) > p->allocsize)
  {
    size_t newsize = size * sizeof(unsigned char) * 2;
    void* data = lodepng_realloc(p->data, newsize);
    if(data)
    {
      p->allocsize = newsize;
      p->data = (unsigned char*)data;
      p->size = size;
    }
    else return 0; /*error: not enough memory*/
  }
  else p->size = size;
  return 1;
}

#ifdef LODEPNG_COMPILE_PNG