network: improve readability of config_parse_ifalias()

2018-11-04 00:31:46 +09:00
parent 25ed70f76f
commit 44386b449b
1 changed files with 3 additions and 4 deletions
@@ -255,11 +255,10 @@ int config_parse_ifalias(const char *unit,
                return 0;
        }

-        free(*s);
-        if (*n)
-                *s = TAKE_PTR(n);
+        if (isempty(n))
+                *s = mfree(*s);
        else
-                *s = NULL;
+                free_and_replace(*s, n);

        return 0;
 }