Date: Thu, 6 Sep 2001 21:55:18 -0500 From: Alfred Perlstein <bright@mu.org> To: "Andrey A. Chernov" <ache@nagual.pp.ru> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/lib/libc/stdio stdio.c Message-ID: <20010906215518.X81307@elvis.mu.org> In-Reply-To: <20010907063714.B95517@nagual.pp.ru>; from ache@nagual.pp.ru on Fri, Sep 07, 2001 at 06:37:14AM %2B0400 References: <200109070213.f872DCa19917@freefall.freebsd.org> <20010906212527.W81307@elvis.mu.org> <20010907063714.B95517@nagual.pp.ru>
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* Andrey A. Chernov <ache@nagual.pp.ru> [010906 21:37] wrote: > On Thu, Sep 06, 2001 at 21:25:27 -0500, Alfred Perlstein wrote: > > change you did broke things. One way to fix this would be to record > > the failed lseek returning EISPIPE and noting that the backing > > object is not seekable, from then on you could avoid the unnescesary > > syscalls. > > I plan to do exact the same thing you describe (i.e. remove __SAPP when > ESPIPE happens) + add error checking for __SOPT (i.e. regular) files only. I'm not sure that's completely safe, a user defined stdio stream may switch the underlying file, it we cache information we may break the ability to do that. -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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