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From: "Jₑₙₛ Gustedt" <jens.gustedt@inria.fr>
To: Rich Felker <dalias@libc.org>
Cc: musl@lists.openwall.com
Subject: Re: [musl] [C23 new stdlib 2/4] C23: add the memalignment function
Date: Thu, 25 May 2023 11:17:50 +0200	[thread overview]
Message-ID: <20230525111750.5809e555@inria.fr> (raw)
In-Reply-To: <20230524221205.GF4163@brightrain.aerifal.cx>

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on Wed, 24 May 2023 18:12:05 -0400 you (Rich Felker <dalias@libc.org>)
wrote:

> I was reading the spec and came across:
> 
>     "If p is a null pointer, an alignment of zero is returned."
> 
> and:
> 
>     "NOTE An alignment of zero indicates that the tested pointer
>     cannot be used to access an object of any type."
> 
> I think this precludes your version with ctzll, but works fine with
> the replacement I proposed.

good catch


Thanks
Jₑₙₛ

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  reply	other threads:[~2023-05-25  9:18 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-24 19:38 [musl] [C23 new stdlib 0/4] changes in stdlib.h Jens Gustedt
2023-05-24 19:38 ` [musl] [C23 new stdlib 1/4] C23: add the new interfaces free_sized and free_aligned_sized for stdlib.h Jens Gustedt
2023-05-24 21:31   ` Rich Felker
2023-05-25  9:38     ` Jₑₙₛ Gustedt
2023-05-25 12:57       ` Rich Felker
2023-05-24 19:38 ` [musl] [C23 new stdlib 2/4] C23: add the memalignment function Jens Gustedt
2023-05-24 21:28   ` Rich Felker
2023-05-24 22:12     ` Rich Felker
2023-05-25  9:17       ` Jₑₙₛ Gustedt [this message]
2023-05-25  9:16     ` Jₑₙₛ Gustedt
2023-05-25  9:42       ` NRK
2023-05-25 13:07       ` Rich Felker
2023-05-25 14:05         ` Jₑₙₛ Gustedt
2023-05-25 14:34           ` Rich Felker
2023-05-25 15:22             ` Jₑₙₛ Gustedt
2023-06-01 13:35       ` Alexander Monakov
2023-06-01 19:08         ` Rich Felker
2023-06-02  8:07           ` Jₑₙₛ Gustedt
2023-06-02  8:03         ` Jₑₙₛ Gustedt
2023-06-02  8:37           ` Alexander Monakov
2023-05-24 19:38 ` [musl] [C23 new stdlib 3/4] C23: implement the new strfrom[dfl] functions Jens Gustedt
2023-05-24 21:42   ` Rich Felker
2023-05-24 19:38 ` [musl] [C23 new stdlib 4/4] C23: add the new include guard to stdlib.h Jens Gustedt

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