message: Preallocate because why not
diff: @@ -173,7 +173,15 @@ pub unsafe extern "C" fn execve(
  env = env.offset(1);
  }
  - let mut args: Vec<[usize; 2]> = Vec::new();
  + let mut len = 0;
  + for i in 0.. {
  + if (*arg.offset(i)).is_null() {
  + len = i;
  + break;
  + }
  + }
  +
  + let mut args: Vec<[usize; 2]> = Vec::with_capacity(len);
  let mut arg = argv;
  while !(*arg).is_null() {
  args.push([*arg as usize, c_str(*arg).len()]);
  