Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!gatech!rutgers!att!chinet!les
From: les@chinet.chi.il.us (Leslie Mikesell)
Newsgroups: comp.unix.wizards
Subject: Re: unix question: files per directory
Message-ID: <8212@chinet.chi.il.us>
Date: 13 Apr 89 04:01:27 GMT
References: <24110@beta.lanl.gov> <8420@xanth.cs.odu.edu> <3823@ficc.uu.net>
Reply-To: les@chinet.chi.il.us (Leslie Mikesell)
Distribution: na
Organization: Chinet - Public Access Unix
Lines: 18

In article <3823@ficc.uu.net> peter@ficc.uu.net (Peter da Silva) writes:

>Speaking of lseek, how about this case:

>	lseek(fd, -1024L, 2);	/* Seek to last 1K of file */
>
>It would negatively impact the performance of tail(1) to not have this
>ability.

There are still a few values that could be used without overloading
the capacity of the 3rd argument to lseek(). 
How about adding:

  3 = the pointer is set to its current location minus offset
  4 = the pointer is set to the size of the file minus offset
?

Les Mikesell