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From: David Howells <dhowells@redhat.com>
To: "Justin P. Mattock" <justinmattock@gmail.com>
Cc: dhowells@redhat.com, linux-kernel@vger.kernel.org,
	linux-acpi@vger.kernel.org, lenb@kernel.org
Subject: Re: [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not used
Date: Fri, 02 Jul 2010 01:10:45 +0100	[thread overview]
Message-ID: <19422.1278029445@redhat.com> (raw)
In-Reply-To: <4C2CF400.20507@gmail.com>

Justin P. Mattock <justinmattock@gmail.com> wrote:

> a bit confused with the whole:  "?:" though
> *condition ? value if true : value if false* (what if both are true
> what if both are false or does it matter?)

If you say:

	cond ?: false_value

then you'll get cond if cond is non-zero and false_value if it isn't.

I suspect it's a gccism.

David

  parent reply	other threads:[~2010-07-02  0:10 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4C28E14D.5050701@gmail.com>
     [not found] ` <1277621246-10960-4-git-send-email-justinmattock@gmail.com>
     [not found]   ` <1277621246-10960-1-git-send-email-justinmattock@gmail.com>
     [not found]     ` <7214.1277729293@redhat.com>
     [not found]       ` <8066.1277750854@redhat.com>
2010-06-29  3:23         ` [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not used Justin P. Mattock
2010-06-29 15:47         ` David Howells
2010-06-29 17:14           ` Justin P. Mattock
2010-06-29 21:53           ` Justin P. Mattock
2010-06-30  9:13           ` David Howells
2010-06-30 13:21             ` Justin P. Mattock
2010-06-30 19:47             ` Justin P. Mattock
2010-07-01  9:31             ` David Howells
2010-07-01 13:41               ` Justin P. Mattock
2010-07-01 20:01               ` Justin P. Mattock
2010-07-02  0:10               ` David Howells [this message]
2010-07-02  0:59                 ` Justin P. Mattock

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