last: code shrink

function                                             old     new   delta
show_entry                                           319     311      -8
last_main                                            917     907     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-18)             Total: -18 bytes

1 files changed, 3 insertions, 2 deletions

diff --git a/miscutils/last.c b/miscutils/last.c
index f25411881..a84e77644 100644
--- a/miscutils/last.c
+++ b/miscutils/last.c
@@ -118,9 +118,10 @@ int last_main(int argc, char **argv ATTRIBUTE_UNUSED)
                 printf("%-10s %-14s %-18s %-12.12s\n",
                        ut.ut_user, ut.ut_line, ut.ut_host, ctime(&t_tmp) + 4);
  next:
-                if (!pos)
+                pos -= sizeof(ut);
+                if (pos <= 0)
                         break; /* done. */
-                pos = lseek(file, pos - sizeof(ut), SEEK_SET);
+                xlseek(file, pos, SEEK_SET);
         }
 
         fflush_stdout_and_exit(EXIT_SUCCESS);