Re: CVS commit: src/usr.bin/tail

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Fri, Oct 09, 2015 at 01:51:27PM -0400, Christos Zoulas wrote:
> Module Name:	src
> Committed By:	christos
> Date:		Fri Oct  9 17:51:27 UTC 2015
> 
> Modified Files:
> 	src/usr.bin/tail: forward.c
> 
> Log Message:
> PR/50322: Timo Buhrmester: tail -F <file> misbehaves with stdin closed
> Compare fp with stdin not fileno(fp) with STDIN_FILENO, because if tail
> is called with 0 closed, then we are not going to be setting event filters
> for the file because we'll erroneously think it is stdin.

Well, you are not supposed to do that. We are just only enforcing it for
suid/sgid binaries.

Joerg