[PATCH 09/10] seccomp.2: Use ARRAY_SIZE() macro instead of raw sizeof division

[Michael Kerrisk (man-pages)]

On 9/25/20 9:31 AM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>

Thanks, Alex. Patch applied.

Cheers,

Michael

> ---
>  man2/seccomp.2 | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/man2/seccomp.2 b/man2/seccomp.2
> index d6b856c32..82eb04dc6 100644
> --- a/man2/seccomp.2
> +++ b/man2/seccomp.2
> @@ -1051,6 +1051,7 @@ cecilia
>  #include <sys/prctl.h>
>  
>  #define X32_SYSCALL_BIT 0x40000000
> +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
>  
>  static int
>  install_filter(int syscall_nr, int t_arch, int f_errno)
> @@ -1101,7 +1102,7 @@ install_filter(int syscall_nr, int t_arch, int f_errno)
>      };
>  
>      struct sock_fprog prog = {
> -        .len = sizeof(filter) / sizeof(filter[0]),
> +        .len = ARRAY_SIZE(filter),
>          .filter = filter,
>      };
>  
> 


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