Re: CVS commit: src/sys/dev/i2c

[Matt Thomas <matt%3am-software.com@localhost>]

On Jul 28, 2012, at 9:29 PM, David Holland wrote:

> On Sat, Jul 28, 2012 at 11:03:47PM +0000, Matt Thomas wrote:
>> Modified Files:
>>      src/sys/dev/i2c: g760a.c
>> 
>> Log Message:
>> Use (void *) instead of (type **) which gcc complains about.
> 
> At least one of these casts is discarding const and writing to the
> const object returned by sysctl_createv().

const foo ** is not pointer to const, it's a pointer to a pointer to const.
so void * does not discard const.

> It looks as if the const annotations in kern_sysctlc are rubbish.
> Can anyone explain what the model is supposed to be?

Not a clue.