Re: MPS image cache

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Cc: eller.helmut@gmail.com,  emacs-devel@gnu.org
> Date: Sun, 05 May 2024 19:45:03 +0200
> 
> @@ -2978,7 +2977,8 @@ igc_make_face_cache (void)
>  void *
>  igc_make_ptr_vec (size_t n)
>  {
> -  return alloc (n * sizeof (void *), IGC_OBJ_PTR_VEC, PVEC_FREE);
> +  return alloc (sizeof (struct igc_header) + (n - 1) * sizeof (void *),
> +             IGC_OBJ_PTR_VEC, PVEC_FREE);
>  }
>  
> what you removed was correct because alloc takes the size in bytes to
> allocate from the POV of the client.
> 
> Alloc computes the size needed from MPS
> 
>   size = obj_size (size);
> 
> which includes the header among other things.

Thanks, I tried to fix that now.