From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 109fba,df854b5838c3e14 X-Google-Attributes: gid109fba,public X-Google-Thread: 103376,df854b5838c3e14 X-Google-Attributes: gid103376,public X-Google-Thread: 1014db,df854b5838c3e14 X-Google-Attributes: gid1014db,public X-Google-Thread: 10db24,fec75f150a0d78f5 X-Google-Attributes: gid10db24,public From: james@amber.biology.gatech.edu (James McIninch) Subject: Re: ANSI C and POSIX (was Re: C/C++ knocks the crap out of Ada) Date: 1996/04/08 Message-ID: <4kbl5i$p3@mordred.gatech.edu>#1/1 X-Deja-AN: 146395972 references: <4k9qhe$65r@solutions.solon.com> <828964950snz@genesis.demon.co.uk> <4kbfup$2vd@news1.mnsinc.com> organization: Georgia Institute of Technology newsgroups: comp.lang.ada,comp.lang.c,comp.lang.c++,comp.edu Date: 1996-04-08T00:00:00+00:00 List-Id: Szu-Wen Huang (huang@mnsinc.com) wrote: : Lawrence Kirby (fred@genesis.demon.co.uk) wrote: : : In article dewar@cs.nyu.edu "Robert Dewar" writes: : : >Boy, this sure has wandered! THe original issue was the semantic behavior : : >of read. Unlike other unices, in Linux, the bounds check for the read : : >buffer is based on the requested count, rather than the actual count : : >of data bytes read. It is hard to say either approach is right or : : >wrong, but they are different enough to cause portability problems. : : Both approaches meet the relevant standards and are correct. Only broken : : code has portability problems, but that's nothing new. : Shouldn't true portability mean that even bugs are cross-platform and : fail reliably? ;) No. When it says "undefined", it means "undefined". There's no way to make undefined behavior portable, that's why it's undefined.