tests/test-time-h.c

   1 /* Test of <time.h> substitute.
   2    Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include <time.h>
  22
  23 /* Check that the types are all defined.  */
  24 struct timespec t1;
  25 #if 0
  26 /* POSIX:2008 does not require pid_t in <time.h> unconditionally, and indeed
  27    it's missing on Mac OS X 10.5, FreeBSD 6.4, OpenBSD 4.9, mingw.  */
  28 pid_t t2;
  29 #endif
  30
  31 /* Check that NULL can be passed through varargs as a pointer type,
  32    per POSIX 2008.  */
  33 static_assert (sizeof NULL == sizeof (void *));
  34
  35 /* Check that TIME_UTC is defined and a positive integer.  */
  36 int t3 = TIME_UTC;
  37 static_assert (TIME_UTC > 0);
  38
  39 int
  40 main (void)
  41 {
  42   return 0;
  43 }