From: Simon Strandgaard <neoneye@...>
Date: 2004-04-01T10:29:23+09:00
Subject: Re: IO.seek behaving strangely on FreeBSD 4.9

On Thu, 01 Apr 2004 01:29:47 +0000, Travis Whitton wrote:
> Initially I thought that this was a bug with rubyzip, but it appears that
> something is wrong with IO.seek on FreeBSD 4.9 (at least on my system).
> 
> travis@aop:~$ uname -a
> FreeBSD aop.intranet 4.9-RELEASE-p4 FreeBSD 4.9-RELEASE-p4
> #0: Wed Mar 17 16:55:09 EST 2004
> root@aop.intranet:/usr/obj/usr/src/sys/MYKERNEL  i386
> 
> travis@aop:~$ ruby -v
> ruby 1.8.1 (2003-12-25) [i386-freebsd4]
> 
> travis@aop:~$ cat badseek.rb 
> f = File.new("somefile.txt", "w") # make an empty file
> f.close
> f = File.new("somefile.txt")
> f.seek(-1, IO::SEEK_END)
> f.read
> 
> travis@aop:~$ ruby badseek.rb 
> badseek.rb:3:in `seek': File too large - somefile.txt (Errno::EFBIG)
>         from badseek.rb:3
> 
> I know that the seek index is invalid, so I should get Errno::EINVAL, but why
> am I getting Errno:EFBIG? This seems to be causing a problem preventing me
> from using rubyzip on my machine when it tries to do a valid seek on a zipfile.
> 
> Thanks,
> Travis Whitton


I get the EINVAL error on freebsd5.1

server> rm somefile.txt
server> ruby b.rb
b.rb:4:in `seek': Invalid argument - somefile.txt (Errno::EINVAL)
        from b.rb:4
server> cat b.rb 
f = File.new("somefile.txt", "w") # make an empty file
f.close
f = File.new("somefile.txt")
f.seek(-1, IO::SEEK_END)
f.read
server> uname -a
FreeBSD server.neoneye.dk 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jun  5 02:55:42 GMT 2003     root@wv1u.btc.adaptec.com:/usr/obj/usr/src/sys/GENERIC  i386
server> ruby -v
ruby 1.8.1 (2003-12-22) [i386-freebsd5.1]
server>


--
Simon Strandgaard