1 /* Verify that ftime is sane. 2 Copyright (C) 2014-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <features.h> 20 #include <sys/timeb.h> 21 #include <libc-diag.h> 22 23 #include <support/check.h> 24 25 static int do_test(void)26do_test (void) 27 { 28 struct timeb prev, curr = {.time = 0, .millitm = 0}; 29 int sec = 0; 30 31 while (sec != 3) 32 { 33 prev = curr; 34 35 /* ftime was deprecated on 2.31. */ 36 DIAG_PUSH_NEEDS_COMMENT; 37 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations"); 38 39 TEST_COMPARE (ftime (&curr), 0); 40 41 DIAG_POP_NEEDS_COMMENT; 42 43 TEST_VERIFY (curr.time >= prev.time); 44 45 if (curr.time == prev.time) 46 TEST_VERIFY (curr.millitm >= prev.millitm); 47 48 if (curr.time > prev.time) 49 sec ++; 50 } 51 return 0; 52 } 53 54 #include <support/test-driver.c> 55