Re: [PATCH (2) 08/34] poll.2: Use sizeof consistently

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Hi Alex,

On 9/4/20 3:42 PM, Alejandro Colomar wrote:
>>From 791b2082c91de4fb49a1a46e9c11d294aac09050 Mon Sep 17 00:00:00 2001
> From: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
> Date: Thu, 3 Sep 2020 21:34:52 +0200
> Subject: [PATCH 08/34] poll.2: Use sizeof consistently
> 
> Use ``sizeof`` consistently through all the examples in the following
> way:
> 
> - Use the name of the variable instead of its type as argument for
>   ``sizeof``.
> 
> 	Rationale:
> 	https://www.kernel.org/doc/html/v5.8/process/coding-style.html#allocating-memory

This is another of those cases where I am inclined not to
apply the patch. It feels to me like this reduces readability
somewhat, since the very point is to allocate an array of
pollfd structs. So, I think I won't apply this one.

Thanks,

Michael

> Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
> ---
>  man2/poll.2 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/man2/poll.2 b/man2/poll.2
> index 940c51da5..9b42822c0 100644
> --- a/man2/poll.2
> +++ b/man2/poll.2
> @@ -596,7 +596,7 @@ main(int argc, char *argv[])
>      }
> 
>      num_open_fds = nfds = argc \- 1;
> -    pfds = calloc(nfds, sizeof(struct pollfd));
> +    pfds = calloc(nfds, sizeof(*pfds));
>      if (pfds == NULL)
>          errExit("malloc");
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/



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