All of lore.kernel.org
 help / color / mirror / Atom feed
From: john@jjdev.com (John de la Garza)
To: kernelnewbies@lists.kernelnewbies.org
Subject: ternary vs double exclamation
Date: Sun, 4 Jan 2015 18:43:22 -0500	[thread overview]
Message-ID: <20150104234321.GA9214@vega.jjdev.com> (raw)
In-Reply-To: <37532.1420345229@turing-police.cc.vt.edu>

On Sat, Jan 03, 2015 at 11:20:29PM -0500, Valdis.Kletnieks at vt.edu wrote:
> On Sat, 03 Jan 2015 18:54:00 -0500, John de la Garza said:
> 
> > It should not be assumed that true will always be 1 as defined in
> > include/linux/stddef.h, right?
> 
> No, I mean use an actual 'bool' type rather than 'int'.  Consider this from
> kernel/softirq.c:

yes, bool has two possible values true and false

from include/linux/stddef.h:
enum {
	        false   = 0,
		true	= 1
};


I assume it is a bad idea to depend on true being 1, right?  I mean, I
should assume that true could be changed to any non 0 value in the future,
right?

  reply	other threads:[~2015-01-04 23:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-30  0:25 ternary vs double exclamation Vinícius Tinti
2014-12-30  0:34 ` Max Filippov
2014-12-30  0:40   ` Vinícius Tinti
2014-12-30  1:00 ` Valdis.Kletnieks at vt.edu
2014-12-30  1:04   ` Vinícius Tinti
2015-01-03 23:54   ` John de la Garza
2015-01-04  4:20     ` Valdis.Kletnieks at vt.edu
2015-01-04 23:43       ` John de la Garza [this message]
2015-01-05  0:50         ` Greg KH
2015-01-08  4:46           ` John de la Garza
2015-01-08  6:37             ` Greg KH
2015-01-05  1:17         ` Valdis.Kletnieks at vt.edu
2015-01-08  4:58           ` John de la Garza

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150104234321.GA9214@vega.jjdev.com \
    --to=john@jjdev.com \
    --cc=kernelnewbies@lists.kernelnewbies.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.