670                 let pathname = args[1] as *const c_char;  in handle()  localVariable
672                 let virt_pathname = VirtAddr::new(pathname as usize);  in handle()
675                 } else if pathname.is_null() {  in handle()
679                         let pathname: &CStr = unsafe { CStr::from_ptr(pathname) };  in handle()  localVariable
681                         let pathname: &str = pathname.to_str().map_err(|_| SystemError::EINVAL)?;  in handle()  localVariable
682                         if pathname.len() >= MAX_PATHLEN {  in handle()
685                         return Ok(pathname.trim());  in handle()
687                     let pathname = get_path();  in handle()  localVariable
688                     if pathname.is_err() {  in handle()
689                         Err(pathname.unwrap_err())  in handle()
692                         Self::unlinkat(dirfd, pathname.unwrap(), flags)  in handle()