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fe1cc35a | 1 | /* Verify that ftime is sane. |
04277e02 | 2 | Copyright (C) 2014-2019 Free Software Foundation, Inc. |
fe1cc35a AS |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <sys/timeb.h> | |
20 | #include <stdio.h> | |
21 | ||
22 | static int | |
23 | do_test (void) | |
24 | { | |
25 | struct timeb prev, curr = {.time = 0, .millitm = 0}; | |
26 | int sec = 0; | |
27 | ||
28 | while (sec != 3) | |
29 | { | |
30 | prev = curr; | |
31 | ||
32 | if (ftime (&curr)) | |
33 | { | |
34 | printf ("ftime returned an error\n"); | |
35 | return 1; | |
36 | } | |
37 | ||
38 | if (curr.time < prev.time) | |
39 | { | |
40 | printf ("ftime's time flowed backwards\n"); | |
41 | return 1; | |
42 | } | |
43 | ||
44 | if (curr.time == prev.time | |
45 | && curr.millitm < prev.millitm) | |
46 | { | |
47 | printf ("ftime's millitm flowed backwards\n"); | |
48 | return 1; | |
49 | } | |
50 | ||
51 | if (curr.time > prev.time) | |
52 | sec ++; | |
53 | } | |
54 | return 0; | |
55 | } | |
56 | ||
fe1cc35a AS |
57 | #define TEST_FUNCTION do_test () |
58 | #include "../test-skeleton.c" |