Re: [PATCH] ip: Wrap CASE macro body in braces for pre-C23 compatibility

[Laurent Vivier <lvivier@redhat.com>]

On 5/18/26 15:58, Anshu Kumari wrote:
> From: Jeskynar <jeskynar@gmail.com>
> 
> Compiling on RHEL8 (gcc-8.5) gives an error in ip.c.
> ip.c:88:3: error: a label can only be part of a statement and
> a declaration is not a statement due to the use of static_assert.
> 
> The fix is to surround it with {}.
> 
> Link: https://bugs.passt.top/show_bug.cgi?id=201
> Signed-off-by: Anshu Kumari <anskuma@redhat.com>

Fixes: 93c3e351f235 ("ip: Define a bound for the string returned by ipproto_name()")

Reviewed-by: Laurent Vivier <lvivier@redhat.com>

> ---
>   ip.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/ip.c b/ip.c
> index f2506bb..7b674e0 100644
> --- a/ip.c
> +++ b/ip.c
> @@ -35,9 +35,9 @@ const char *ipproto_name(uint8_t proto)
>   {
>   	switch (proto) {
>   #define CASE(s)								\
> -		static_assert(sizeof(s) <= IPPROTO_STRLEN,		\
> -			      "Increase IPPROTO_STRLEN to contain " #s); \
> -		return s;
> +		{static_assert(sizeof(s) <= IPPROTO_STRLEN,		\
> +			       "Increase IPPROTO_STRLEN to contain " #s); \
> +		return s;}
>   	case IPPROTO_ICMP:
>   		CASE("ICMP");
>   	case IPPROTO_TCP: