Re: glibc qsort() vulnerability - Mailing list pgsql-hackers

On Thu, Feb 8, 2024 at 3:38 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> Perhaps you could wrap it in a branch-free sign() function so you get
> a narrow answer?
>
> https://stackoverflow.com/questions/14579920/fast-sign-of-integer-in-c

Ah, strike that, it is much like the suggested (a > b) - (a < b) but
with extra steps...