1  /* Copyright (C) 2021-2023 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
      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 abbreviation 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>