From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 27 Jul 2026 14:55:12 GMT
Subject: Re: [PATCH v3] utf8: make utf8_strwidth() and utf8_strnwidth() return size_t
Message-ID: <xmqq4ihkpjn3.fsf@gitster.g>
In-Reply-To: <e971400e-6d23-463f-ae9c-a21d3c5a3563@gmail.com>

Phillip Wood <phillip.wood123@gmail.com> writes:

> I think it would be much better to remove the TODO comment as Junio 
> previously suggested and instead add some documentation to the function 
> explaining (a) why it is appropriate for it to return an int; (b) why we 
> must use the cast_size_t_to_int() helper to prevent overflows (see the 
> commit that added that comment).

Thanks, especially for (b) above.  That needs to be stressed if we
are to go in that direction.