Re: alx-0008 - Standardize strtoi(3) and strtou(3) from NetBSD

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From: Alejandro Colomar <[email protected]>
To: Bruno Haible <[email protected]>
Cc: [email protected], [email protected], 
	[email protected], [email protected], christos <[email protected]>, 
	=?utf-8?B?xJBvw6BuIFRy4bqnbiBDw7RuZw==?= Danh <[email protected]>, Paul Eggert <[email protected]>, 
	Eli Schwartz <[email protected]>, Guillem Jover <[email protected]>, 
	Iker Pedrosa <[email protected]>, Michael Vetter <[email protected]>, Robert Elz <[email protected]>, 
	[email protected], Sam James <[email protected]>, "Serge E. Hallyn" <[email protected]>
Subject: Re: alx-0008 - Standardize strtoi(3) and strtou(3) from NetBSD
References: <mgcfwxfmv3kpfnkkf6uj63kx5tdzl64p2zg2us4ntsu6q5xkwj@k52z5yyiywoo>
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In-Reply-To: <20998621.Yz81rIOvuz@nimes>

Hi Bruno,

On Thu, Mar 20, 2025 at 01:44:49PM +0100, Bruno Haible wrote:
> > > At the same time, disallowing a leading '-' sign
> > > is a benefit as well. I consider it a misfeature that strtoul() parses
> > > "-3" successfully and returns ULONG_MAX-2, which was most certainly
> > > not intended by the user.
> >=20
> > Agree; it is a misfeature.  ...
> >=20
> > I wonder if there's any legitimate user of that misfeature.
>=20
> I don't think there is. Callers who wish to accept a leading '-' sign
> can call strtol() and cast the result to 'unsigned long'.

Yeah.  The only issue with that is not having the full range of
uintmax_t.  But I still think it's a misfeature.


Have a lovely day!
Alex

--=20
<https://www.alejandro-colomar.es/>

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