ExpandHeap        209 magick/memory.c   ExpandHeap(size_t);
ExpandHeap        496 magick/memory.c       if (ExpandHeap(size == 0 ? 1UL : size) != MagickFalse)
ExpandHeap       1163 magick/memory.c       if (ExpandHeap(size == 0 ? 1UL : size) == MagickFalse)