Re: [PATCH] jbd/jbd2: add pointer type conversion on void *arg from void * to journal_t * explicitly in kjournald/kjournald2

Wang Sheng-Hui
2011-08-03T02:56:18Z

On 2011年08月03日 10:52, Américo Wang wrote:
> On Wed, Aug 3, 2011 at 10:17 AM, Wang Sheng-Hui <shhuiw@gmail.com> wrote:
>>
>> I remember any * can be assigned directly to void * in ANSI C, but
>> void * should be converted to specific point * type. Right?
>>
>
> C99 6.3.2.3

Got it. Thanks,

>
> A pointer to void may be converted to or from a pointer to any
> incomplete or object
> type. A pointer to any incomplete or object type may be converted to a
> pointer to void
> and back again; the result shall compare equal to the original pointer.

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