Date: Fri, 30 Jul 2004 09:20:32 GMT From: Steven Smith <sos22@cantab.net> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/69788: The processing result of strtoul() cannot judge whether it is an error. Message-ID: <200407300920.i6U9KWoj082775@freefall.freebsd.org>
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The following reply was made to PR misc/69788; it has been noted by GNATS. From: Steven Smith <sos22@cantab.net> To: SAKUMA takayuki <takayuki@finet.fujitsu.com> Cc: freebsd-gnats-submit@FreeBSD.org, sos22@srcf.ucam.org Subject: Re: misc/69788: The processing result of strtoul() cannot judge whether it is an error. Date: Fri, 30 Jul 2004 10:17:58 +0100 --9jxsPFA5p3P2qPhR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > ul =3D strtoul("4294967296", &p, 10); > ul =3D strtoul("4294967295", &p, 10); >=20 > 2nd strtoul() will success, but errno =3D=3D ERANGE. > Is it necessary to set errno as 0 before calling 2nd strtoul() ? Yes: a succesful library call leaves errno unchanged, rather than setting it to 0 (usually). Steven Smith, sos22@cantab.net. --=20 One day, I'm going to get an Alice-bot to answer all my email for me, and see how long it takes people to notice. --9jxsPFA5p3P2qPhR Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBChJGO4S8/gLNrjcRAodQAJ951qp8yxY5B6y8Fk6GFvykvbfECwCgmd67 ovQTHPfFdMOHK43A+lOieY0= =2ciO -----END PGP SIGNATURE----- --9jxsPFA5p3P2qPhR--
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