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From: Robert Watson <rwatson@FreeBSD.org>
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To: Bruce Evans <bde@optusnet.com.au>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/lib/libmemstat memstat_malloc.c
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On Tue, 22 May 2007, Bruce Evans wrote:

> On Mon, 21 May 2007, Robert Watson wrote:
>
>> rwatson     2007-05-21 18:16:04 UTC
>>
>>  FreeBSD src repository
>>
>>  Modified files:
>>    lib/libmemstat       memstat_malloc.c
>>  Log:
>>  Make pointer argument to kread_string() const since the kernel structure
>>  field is const, and then employ __DECONST before getting into the kvm
>>  code.  This eliminates a gcc 4.2 warning about losing constification.
>>
>>  __DECONST advice from:  sam
>
> Should know better than to use __DECONST: C programmers.

This basically trickles up from libkvm, which presumably also wants to be 
const-poisoned.

Robert N M Watson
Computer Laboratory
University of Cambridge