void FUN_00407678(uint param_1)

{

  uint uVar1;

  uint uVar2;

  if (*(char *)(param_1 + 0xc) != '\0') {

    uVar1 = param_1 + 0xb & 3;

    uVar2 = param_1 + 8 & 3;

    if (((*(int *)((param_1 + 0xb) - uVar1) << (3 - uVar1) * 8 |

         param_1 & 0xffffffffU >> (uVar1 + 1) * 8) & -1 << (4 - uVar2) * 8) != 0 ||

        *(uint *)((param_1 + 8) - uVar2) >> uVar2 * 8 != 0) {

      thunk_FUN_00471d20();

      *(undefined4 *)(param_1 + 8) = 0;

    }

  }

  return;

}