From: Paul Jackson <pj@sgi.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: laforge@gnumonks.org, torvalds@osdl.org, chrisw@osdl.org,
vsu@altlinux.ru, linux-usb-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, security@linux.kernel.org,
vendor-sec@lst.de
Subject: Re: [linux-usb-devel] Re: [BUG/PATCH/RFC] Oops while completing async USB via usbdevio
Date: Tue, 11 Oct 2005 10:37:46 -0700 [thread overview]
Message-ID: <20051011103746.61598183.pj@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0510101559330.10768-100000@netrider.rowland.org>
Alan asked:
> But why do people go to the
> effort of confusing readers by using "^" instead of "!="?
My guess - eor (^) was quicker than not-equal (!=) on a PDP-11.
That code fragment for checking uid's has been around a -long-
time, if my memory serves me.
It's gotten to be like the infamous "!!" boolean conversion
operator, a bit of vernacular that would be harder to read if
recoded using modern coding style.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
next prev parent reply other threads:[~2005-10-11 17:38 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-25 15:13 [BUG/PATCH/RFC] Oops while completing async USB via usbdevio Harald Welte
2005-09-27 8:04 ` [vendor-sec] " Greg KH
2005-09-27 9:13 ` Greg KH
[not found] ` <20050927110319.GD1980@piware.de>
2005-09-27 12:22 ` [vendor-sec] " Greg KH
2005-09-27 12:48 ` [vendor-sec] " Christoph Hellwig
2005-09-27 12:57 ` Greg KH
2005-09-27 12:59 ` Christoph Hellwig
2005-09-27 13:09 ` Greg KH
2005-09-27 15:27 ` David Brownell
2005-09-27 14:53 ` [Security] " Linus Torvalds
2005-09-27 16:00 ` [linux-usb-devel] " Sergey Vlasov
2005-09-27 16:09 ` Linus Torvalds
2005-09-27 16:52 ` Sergey Vlasov
2005-09-27 17:02 ` Linus Torvalds
2005-09-30 10:47 ` Harald Welte
2005-09-30 14:56 ` Linus Torvalds
2005-09-30 18:44 ` Chris Wright
2005-09-30 19:27 ` Linus Torvalds
2005-09-30 20:38 ` Chris Wright
2005-09-30 22:08 ` Harald Welte
2005-09-30 22:16 ` Linus Torvalds
2005-10-10 17:44 ` Harald Welte
2005-10-10 18:07 ` Chris Wright
2005-10-11 9:45 ` Harald Welte
2005-10-11 23:10 ` [vendor-sec] " Greg KH
2005-10-11 23:44 ` Linus Torvalds
2005-10-12 7:24 ` Harald Welte
2005-10-13 5:51 ` Horms
2005-10-11 13:57 ` Bernd Petrovitsch
2005-10-10 18:19 ` Linus Torvalds
2005-10-10 22:47 ` Chris Wright
2005-10-10 20:03 ` [linux-usb-devel] " Alan Stern
2005-10-11 8:28 ` Harald Welte
2005-10-11 17:37 ` Paul Jackson [this message]
2005-10-11 17:58 ` linux-os (Dick Johnson)
2005-10-11 19:13 ` Alan Stern
2005-10-11 20:02 ` [Security] " Alan Cox
2005-09-27 17:20 ` PID reuse safety for userspace apps (Re: [linux-usb-devel] Re: [Security] [vendor-sec] [BUG/PATCH/RFC] Oops while completing async USB via usbdevio) Solar Designer
2005-09-27 20:34 ` Alan Cox
2005-09-27 20:42 ` Linus Torvalds
2005-09-27 21:16 ` Solar Designer
2005-09-27 21:03 ` Solar Designer
2005-09-27 16:58 ` [linux-usb-devel] Re: [Security] [vendor-sec] [BUG/PATCH/RFC] Oops while completing async USB via usbdevio Alan Cox
2005-09-27 16:59 ` Linus Torvalds
2005-09-27 20:35 ` Alan Cox
2005-10-13 23:00 ` Pete Zaitcev
2005-10-13 23:16 ` Linus Torvalds
2005-10-13 23:56 ` Pete Zaitcev
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