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/* Copyright (C) 2021-2025 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 <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
#include <time.h>
/* Test that we can use a truncated timezone-file, where the time-type
at index 0 is not indexed by the transition-types array (and the
transition-types array does not contain at least both one DST and one
normal time members). */
static int
do_test (void)
{
if (setenv ("TZ", "XT5", 1) != 0)
FAIL_EXIT1 ("setenv: %m");
errno = 0;
tzset ();
if (errno != 0)
/* This is not a test failure because checking errno this way is
not a documented way for determining tzset success. We do this
only to gather additional diagnostics. */
printf ("warning: tzset set errno to %d (%m)", errno);
/* Sanity-check that we got the right abbreviation for DST. For
normal time, we're likely to get "-00" (the "unspecified" marker),
even though the POSIX timezone string says "-04". Let's not test
that. */
TEST_COMPARE_STRING (tzname[1], "-03");
return 0;
}
#include <support/test-driver.c>
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