[PATCH] malloc: Use accessors for chunk metadata access

[Florian Weimer]

On 10/28/2016 05:07 PM, Carlos O'Donell wrote:
> On 10/28/2016 10:52 AM, Florian Weimer wrote:
>>  /* check for chunk from non-main arena */
>> -#define chunk_non_main_arena(p) ((p)->size & NON_MAIN_ARENA)
>> +#define chunk_main_arena(p) (((p)->mchunk_size & NON_MAIN_ARENA) == 0)
>
> Comment is wrong now :}

Hmph.

I've taken the opportunity to adjust the chunk layout comment as well, 
in preparation for documenting where the encryption happens.

Florian

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