[PATCH v5 3/6] fib: replace zero length array with flex array

[Medvedkin, Vladimir]

Acked-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>

On 06/03/2024 20:13, Tyler Retzlaff wrote:
> Zero length arrays are GNU extension. Replace with
> standard flex array.
>
> Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
> Reviewed-by: Morten Brørup <mb at smartsharesystems.com>
> Acked-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>   lib/fib/dir24_8.h | 2 +-
>   lib/fib/trie.h    | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/fib/dir24_8.h b/lib/fib/dir24_8.h
> index 6d350f7..7125049 100644
> --- a/lib/fib/dir24_8.h
> +++ b/lib/fib/dir24_8.h
> @@ -34,7 +34,7 @@ struct dir24_8_tbl {
>   	uint64_t	*tbl8;		/**< tbl8 table. */
>   	uint64_t	*tbl8_idxes;	/**< bitmap containing free tbl8 idxes*/
>   	/* tbl24 table. */
> -	__extension__ alignas(RTE_CACHE_LINE_SIZE) uint64_t	tbl24[0];
> +	alignas(RTE_CACHE_LINE_SIZE) uint64_t	tbl24[];
>   };
>   
>   static inline void *
> diff --git a/lib/fib/trie.h b/lib/fib/trie.h
> index 36ce1fd..2c20184 100644
> --- a/lib/fib/trie.h
> +++ b/lib/fib/trie.h
> @@ -38,7 +38,7 @@ struct rte_trie_tbl {
>   	uint32_t	*tbl8_pool;	/**< bitmap containing free tbl8 idxes*/
>   	uint32_t	tbl8_pool_pos;
>   	/* tbl24 table. */
> -	__extension__ alignas(RTE_CACHE_LINE_SIZE) uint64_t	tbl24[0];
> +	alignas(RTE_CACHE_LINE_SIZE) uint64_t	tbl24[];
>   };
>   
>   static inline uint32_t

-- 
Regards,
Vladimir