who: reduce range of unsafe (#11521)

2026-06-10 15:48:22 -07:00 · 2026-03-27 12:54:09 +01:00
parent 2b05f2fa8c
commit 32b93b6056
1 changed files with 8 additions and 10 deletions
@@ -179,16 +179,14 @@ fn time_string(ut: &UtmpxRecord) -> String {

 #[inline]
 fn current_tty() -> String {
-    unsafe {
-        let res = ttyname(STDIN_FILENO);
-        if res.is_null() {
-            String::new()
-        } else {
-            CStr::from_ptr(res.cast_const())
-                .to_string_lossy()
-                .trim_start_matches("/dev/")
-                .to_owned()
-        }
+    let p = unsafe { ttyname(STDIN_FILENO) };
+    if p.is_null() {
+        String::new()
+    } else {
+        unsafe { CStr::from_ptr(p) }
+            .to_string_lossy()
+            .trim_start_matches("/dev/")
+            .to_owned()
    }
 }