tst-ftime.c 1.5 KB

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  1. /* Verify that ftime is sane.
  2. Copyright (C) 2014-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  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. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #include <features.h>
  16. #include <sys/timeb.h>
  17. #include <libc-diag.h>
  18. #include <support/check.h>
  19. static int
  20. do_test (void)
  21. {
  22. struct timeb prev, curr = {.time = 0, .millitm = 0};
  23. int sec = 0;
  24. while (sec != 3)
  25. {
  26. prev = curr;
  27. /* ftime was deprecated on 2.31. */
  28. DIAG_PUSH_NEEDS_COMMENT;
  29. DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations");
  30. TEST_COMPARE (ftime (&curr), 0);
  31. DIAG_POP_NEEDS_COMMENT;
  32. TEST_VERIFY (curr.time >= prev.time);
  33. if (curr.time == prev.time)
  34. TEST_VERIFY (curr.millitm >= prev.millitm);
  35. if (curr.time > prev.time)
  36. sec ++;
  37. }
  38. return 0;
  39. }
  40. #include <support/test-driver.c>