1 /* Copyright (C) 2021-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <time.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 
23 /* Test that we can use a truncated timezone-file, where the time-type
24    at index 0 is not indexed by the transition-types array (and the
25    transition-types array does not contain at least both one DST and one
26    normal time members).  */
27 
28 static int
do_test(void)29 do_test (void)
30 {
31   if (setenv ("TZ", "XT5", 1))
32     {
33       puts ("setenv failed.");
34       return 1;
35     }
36 
37   tzset ();
38 
39   return
40     /* Sanity-check that we got the right timezone-name for DST.  For
41        normal time, we're likely to get "-00" (the "unspecified" marker),
42        even though the POSIX timezone string says "-04".  Let's not test
43        that.  */
44     !(strcmp (tzname[1], "-03") == 0);
45 }
46 #include <support/test-driver.c>
47