On Thu, Feb 13, 2020 at 07:05:19PM +0000, Li-Wen Hsu wrote:
> Author: lwhsu
> Date: Thu Feb 13 19:05:19 2020
> New Revision: 357867
> URL: https://svnweb.freebsd.org/changeset/base/357867
>
> Log:
> Fix GCC build.
>
> Sponsored by: The FreeBSD Foundation
>
> Modified:
> head/tests/sys/net/randsleep.c
>
> Modified: head/tests/sys/net/randsleep.c
> ==============================================================================
> --- head/tests/sys/net/randsleep.c Thu Feb 13 19:05:14 2020
> (r357866)
> +++ head/tests/sys/net/randsleep.c Thu Feb 13 19:05:19 2020
> (r357867)
> @@ -37,7 +37,7 @@
> #include <stdlib.h>
> #include <unistd.h>
>
> -#define RANDOM_MAX ((1<<31) - 1)
> +#define RANDOM_MAX (((long)1<<31) - 1)
This still gives UB on ILP32 platforms. I believe the better fix would be
(1u << 31) - 1.
>
> int main(int argc, char** argv){
> useconds_t max_usecs, usecs;
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