[Tarantool-patches] [PATCH luajit] test: fix libfficcall compilation for old GCC

[Sergey Bronnikov]

Hello, Sergey,

Thanks for the patch! LGTM with a minor comment.

Sergey

On 6/8/26 13:23, Sergey Kaplun wrote:
> On CentOS 7 GCC has no std=c99 by default. This leads to compilation
> warnings and errors for ‘for’ loop initial declarations. This patch
> fixes that by declaring the variable out of the loop body.
> ---
>
> Branch:https://github.com/tarantool/luajit/tree/skaplun/gh-noticket-fix-tests-old-gcc
> CI failure:https://github.com/tarantool/luajit/actions/runs/27124968515/job/80063067169#step:6:10593
>
>   test/tarantool-tests/ffi-ccall/libfficcall.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/test/tarantool-tests/ffi-ccall/libfficcall.c b/test/tarantool-tests/ffi-ccall/libfficcall.c
> index 2145b556..129bc75d 100644
> --- a/test/tarantool-tests/ffi-ccall/libfficcall.c
> +++ b/test/tarantool-tests/ffi-ccall/libfficcall.c
> @@ -307,7 +307,8 @@ int test_2_large_agg_a16(int x, large_agg_a16 s1, large_agg_a16 s2)
>   	const int *v1 = s1.v;
>   	const int *v2 = s2.v;
>   	int sum = x;
> -	for (int i = 0; i < lengthof(s1.v); i++) {
> +	int i = 0;
> +	for (; i < lengthof(s1.v); i++) {

isn't better declaring outside the loop and define in a loop?

int i;
for (i = 0; i < lengthof(s1.v); i++) {

It looks more familiar this way. Feel free to ignore.

>   		sum += v1[i] + v2[i];
>   	}
>   	return sum;
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