- exit(EXIT_FAILURE);
- dup2(null, STDIN_FILENO);
- dup2(null, STDOUT_FILENO);
- dup2(null, STDERR_FILENO);
+ goto err;
+ if (dup2(null, STDIN_FILENO) < 0)
+ goto err;
+ if (dup2(null, STDOUT_FILENO) < 0)
+ goto err;
+ if (dup2(null, STDERR_FILENO) < 0)
+ goto err;