don't print unallocated dir entries

8abe2bcf · kaashoek · 211ff0c6 · 8abe2bcf
--- a/ls.c
+++ b/ls.c
@@ -35,6 +35,7 @@ main(int argc, char *argv[])
      printf(2, "ls: read error\n");
      exit();
    }
+    if (dirent.inum != 0)
      printf(1, "%s\n", dirent.name);
  }
  close(fd);