glibc/login/tst-utmp-size.c
Florian Weimer 9831f98c26 login: Check default sizes of structs utmp, utmpx, lastlog
The default <utmp-size.h> is for ports with a 64-bit time_t.
Ports with a 32-bit time_t or with __WORDSIZE_TIME64_COMPAT32=1
need to override it.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
(cherry picked from commit 4d4da5aab9)
2024-05-02 13:20:27 +02:00

34 lines
1.2 KiB
C

/* Check expected sizes of struct utmp, struct utmpx, struct lastlog.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <utmp.h>
#include <utmpx.h>
#include <utmp-size.h>
static int
do_test (void)
{
_Static_assert (sizeof (struct utmp) == UTMP_SIZE, "struct utmp size");
_Static_assert (sizeof (struct utmpx) == UTMP_SIZE, "struct utmpx size");
_Static_assert (sizeof (struct lastlog) == LASTLOG_SIZE,
"struct lastlog size");
return 0;
}
#include <support/test-driver.c>