Re: kfree(0) - ok?

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From: Jason Uhlenkott

Date: Wednesday, August 15, 2007 - 1:52 am

On Wed, Aug 15, 2007 at 09:28:54 +0200, Jan Engelhardt wrote:
quoted text> 
> On Aug 14 2007 16:21, Jason Uhlenkott wrote:
> >On Tue, Aug 14, 2007 at 15:55:48 -0700, Arjan van de Ven wrote:
> >> NULL is not 0 though.
> >
> >It is.  Its representation isn't guaranteed to be all-bits-zero,
> 
> C guarantees that.

Equality with the expression 0 is guaranteed.  Representation isn't.

http://www.c-faq.com/null/varieties.html
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Messages in current thread:

Re: kfree(0) - ok?, Arjan van de Ven, (Tue Aug 14, 3:55 pm)

kfree(0) - ok?, Tim Bird, (Tue Aug 14, 3:59 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Tue Aug 14, 4:13 pm)

Re: kfree(0) - ok?, Jason Uhlenkott, (Tue Aug 14, 4:21 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Tue Aug 14, 4:42 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Tue Aug 14, 5:19 pm)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 12:28 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 1:37 am)

Re: kfree(0) - ok?, Jason Uhlenkott, (Wed Aug 15, 1:52 am)

Re: kfree(0) - ok?, Andreas Schwab, (Wed Aug 15, 2:18 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 2:20 am)

Re: kfree(0) - ok?, Giacomo A. Catenazzi, (Wed Aug 15, 2:32 am)

Re: kfree(0) - ok?, Jason Uhlenkott, (Wed Aug 15, 2:43 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 2:58 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 3:20 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 3:27 am)

Re: kfree(0) - ok?, Kyle Moffett, (Wed Aug 15, 6:58 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 7:06 am)

Re: kfree(0) - ok?, Kyle Moffett, (Wed Aug 15, 7:34 am)

Re: kfree(0) - ok?, H. Peter Anvin, (Wed Aug 15, 9:01 am)

Re: kfree(0) - ok?, Andrew Morton, (Fri Aug 17, 11:22 am)

Re: kfree(0) - ok?, Arjan van de Ven, (Fri Aug 17, 11:31 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Fri Aug 17, 11:37 am)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 11:50 am)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 1:43 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 2:13 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 2:14 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 2:17 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 2:32 pm)

Re: kfree(0) - ok?, Pekka Enberg, (Fri Aug 17, 2:42 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 2:46 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 4:22 pm)

Re: kfree(0) - ok?, Thomas Gleixner, (Fri Aug 17, 4:40 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 5:02 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 6:03 pm)

Re: kfree(0) - ok?, Pekka Enberg, (Sat Aug 18, 1:10 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Sat Aug 18, 1:21 am)


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