Really wierd 'more' interaction with 'newrole' and stderr...

[Michael Sweet]

Valdis.Kletnieks at vt.edu wrote:
> On Fri, 26 May 2006 13:27:56 EDT, Stephen Smalley said:
> 
>> Hmm...they used to be O_RDWR, but Steve Grubb submitted a patch that
>> changed them a while back as part of a general cleanup of newrole.  If
>> programs expect stdout and stderr to be rw, then I suppose newrole needs
>> to open them that way, although it does seem odd to read from your error
>> stream.
> 
> It can't read from stdin, because that might be in use:
> 
> grep foo bar* | more
> 
> And most shells open stderr as R/W, so reading from that works.
> 
> One can certainly argue that stderr *should* be write-only, and programs
> using stderr for reading should probably be fixed to open /dev/tty and use
> that instead.  But not knowing whether it's just this one odd program,
> or lots of them, I can't really say.
 > ...

But don't programs like "more" open /dev/tty?

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com
Internet Printing and Document Software          http://www.easysw.com