Author: Amitoj Kaur Chawla <amitoj1606@gmail.com> Removes variable comparison with 0. Done using following coccinelle script. @ disable is_zero,isnt_zero @ expression *E; expression E1,f; @@ E = f(…) ?E = E1 @ disable is_zero,isnt_zero @ expression *E; @@ ( E == – 0 + NULL | E != – 0 + NULL | – 0 + …