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1 | /* Common tests for utimensat routines. |
2 | Copyright (C) 2021 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 <array_length.h> | |
20 | #include <inttypes.h> | |
21 | #include <support/support.h> | |
22 | #include <support/temp_file.h> | |
23 | #include <stdio.h> | |
24 | ||
25 | static int temp_fd = -1; | |
26 | static char *testfile; | |
27 | ||
28 | const static struct { | |
29 | int64_t v1; | |
30 | int64_t v2; | |
31 | } tests[] = { | |
32 | /* Y2038 threshold minus 2 and 1 seconds. */ | |
33 | { 0x7FFFFFFELL, 0x7FFFFFFFLL }, | |
34 | /* Y2038 threshold plus 1 and 2 seconds. */ | |
35 | { 0x80000001LL, 0x80000002LL }, | |
36 | /* Around Y2038 threshold. */ | |
37 | { 0x7FFFFFFELL, 0x80000002LL }, | |
38 | /* Y2106 threshold minus 2 and 1 seconds. */ | |
39 | { 0x100000000LL, 0xFFFFFFFELL }, | |
40 | /* Y2106 threshold plus 1 and 2 seconds. */ | |
41 | { 0x100000001LL, 0x100000002LL }, | |
42 | /* Around Y2106 threshold. */ | |
43 | { 0xFFFFFFFELL, 0xFFFFFFFELL }, | |
44 | }; | |
45 | ||
46 | #define PREPARE do_prepare | |
47 | static void | |
48 | do_prepare (int argc, char *argv[]) | |
49 | { | |
50 | temp_fd = create_temp_file ("utime", &testfile); | |
51 | TEST_VERIFY_EXIT (temp_fd > 0); | |
52 | } | |
53 | ||
54 | static int | |
55 | do_test (void) | |
56 | { | |
57 | if (!support_path_support_time64 (testfile)) | |
58 | FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps", | |
59 | testfile); | |
60 | ||
61 | bool y2106 = support_path_support_time64_value (testfile, | |
62 | 0x100000001LL, | |
63 | 0x100000002LL); | |
64 | ||
65 | for (int i = 0; i < array_length (tests); i++) | |
66 | { | |
67 | /* Check if we run on port with 32 bit time_t size. */ | |
68 | time_t t; | |
69 | if (__builtin_add_overflow (tests[i].v1, 0, &t) | |
70 | || __builtin_add_overflow (tests[i].v2, 0, &t)) | |
71 | { | |
72 | printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: " | |
73 | "time_t overflows\n", i, tests[i].v1, tests[i].v2); | |
74 | continue; | |
75 | } | |
76 | ||
77 | if (tests[i].v1 >= 0x100000000LL && !y2106) | |
78 | { | |
79 | printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: " | |
80 | "unsupported timestamp value\n", | |
81 | i, tests[i].v1, tests[i].v2); | |
82 | continue; | |
83 | } | |
84 | ||
85 | TEST_CALL (testfile, temp_fd, tests[i].v1, tests[i].v2); | |
86 | } | |
87 | ||
88 | return 0; | |
89 | } | |
90 | ||
91 | #include <support/test-driver.c> |