Date: Thu, 25 Aug 2022 21:33:47 +0000 From: Brooks Davis <brooks@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Jessica Clarke <jrtc27@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@freebsd.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@freebsd.org> Subject: Re: git: 05c9a0158f68 - main - libc: Add strverscmp(3) and versionsort(3) Message-ID: <20220825213347.GA89898@spindle.one-eyed-alien.net> In-Reply-To: <YwbO8Na3k0BpvWmn@kib.kiev.ua> References: <202208250029.27P0TRwK091769@gitrepo.freebsd.org> <FFCE6298-AF3B-4B50-B1C1-B4E01F604B30@freebsd.org> <YwbO8Na3k0BpvWmn@kib.kiev.ua>
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--/04w6evG8XlLl3ft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 25, 2022 at 04:22:56AM +0300, Konstantin Belousov wrote: > On Thu, Aug 25, 2022 at 02:07:12AM +0100, Jessica Clarke wrote: > > On 25 Aug 2022, at 01:29, Konstantin Belousov <kib@FreeBSD.org> wrote: > > > + const unsigned char *u1 =3D __DECONST(const unsigned char *, s1); > > > + const unsigned char *u2 =3D __DECONST(const unsigned char *, s2); > >=20 > > Why is __DECONST needed? Casting from const char * to const unsigned > > char * should never warn, surely? >=20 > I requested the use of __DECONST there. Nobody knows what would be next > trend in the C language breaking among compiler writers. We guarantee > that __DECONST() is adopted to whatever warnings are added. We're not going to add an obfuscated cast through uintptr_t for every change of signedness. That would be absurd and there is no reason to belive a future C would ever require it. -- Brooks --/04w6evG8XlLl3ft Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJjB+q6AAoJEKzQXbSebgfAlecIAJAUArVezHf+wshkh7moiyDY 5zpJlQd0sSZOgPNMJsh/ERgDd+g4n5aZd+POkn2RZlqGFfGdS039oYeHWYgv6RNJ 2EwQRuxcptRyUdNrqtoagEgOSAAXDsiGB2/wy88ScrA36YhoAeWLksRxfq7D6JUx 2Cvz+jqur88Uzdn5D8ygV7TjnbGMTAzKDxlEjRbEGYLCFmZz+KEElBqqxeBoeX8u fPUCldlmbdX4ET4++bJyesrGyN8UJTYOPVWXG1HGEQgob4JSwvfOmIfKCaR9c5Vt 36SBiu34MlWwcmyCXqiHO4IioczRsIMFYpcrrP5/KFvjf2Laeaq+SHQSbZZtVBE= =pfp1 -----END PGP SIGNATURE----- --/04w6evG8XlLl3ft--
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