login/tst-utmp-size.c

   1 /* Check expected sizes of struct utmp, struct utmpx, struct lastlog.
   2    Copyright (C) 2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <utmp.h>
  20 #include <utmpx.h>
  21 #include <utmp-size.h>
  22
  23 static int
  24 do_test (void)
  25 {
  26   _Static_assert (sizeof (struct utmp) == UTMP_SIZE, "struct utmp size");
  27   _Static_assert (sizeof (struct utmpx) == UTMP_SIZE, "struct utmpx size");
  28   _Static_assert (sizeof (struct lastlog) == LASTLOG_SIZE,
  29                   "struct lastlog size");
  30   return 0;
  31 }
  32
  33 #include <support/test-driver.c>