last: fix ignoring the first login entry

The first login entry is ignored if a log file contains more than one
entry. To fix it, do not break the while loop if the offset is zero.

Signed-off-by: Dmitry Klochkov <dmitry.klochkov@bell-sw.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/util-linux/last.c b/util-linux/last.c
index 7530d013d..aafd01bb9 100644
--- a/util-linux/last.c
+++ b/util-linux/last.c
@@ -157,7 +157,7 @@ int last_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
                         ut.ut_user, ut.ut_line, ut.ut_host, ctime(&t_tmp) + 4);
  next:
                 pos -= sizeof(ut);
-                if (pos <= 0)
+                if (pos < 0)
                         break; /* done. */
                 xlseek(file, pos, SEEK_SET);
         }