Date: 02 Nov 2001 13:27:43 +0100 From: Dag-Erling Smorgrav <des@ofug.org> To: Alfred Perlstein <alfred@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/usr.bin/head head.c Message-ID: <xzpitctcq80.fsf@flood.ping.uio.no> In-Reply-To: <200111020927.fA29RHm01270@freefall.freebsd.org> References: <200111020927.fA29RHm01270@freefall.freebsd.org>
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Alfred Perlstein <alfred@FreeBSD.org> writes: > Log: > In order to perform faster when doing "head -n", use a pair of > fgetln/fwrite instead of getc/putchar, this seems about five times > faster. I have patches for kqueue that add an event that looks ahead for a particular character and returns the offset of that character into the file or receive buffer or whatnot. I never finished them however, so they're probably slightly stale, and I never got around to implementing the filter function for vnodes, only sockets and ttys. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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