1 | /* Common tests for utimensat routines. |
2 | Copyright (C) 2021-2024 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 | static char *testlink; |
28 | |
29 | const static struct { |
30 | int64_t v1; |
31 | int64_t v2; |
32 | } tests[] = { |
33 | /* Some arbitrary date before Y2038. */ |
34 | { 0x60ECA720LL, 0x60eca721LL }, |
35 | /* Y2038 threshold minus 2 and 1 seconds. */ |
36 | { 0x7FFFFFFELL, 0x7FFFFFFFLL }, |
37 | /* Y2038 threshold plus 1 and 2 seconds. */ |
38 | { 0x80000001LL, 0x80000002LL }, |
39 | /* Around Y2038 threshold. */ |
40 | { 0x7FFFFFFELL, 0x80000002LL }, |
41 | /* Y2106 threshold minus 2 and 1 seconds. */ |
42 | { 0x100000000LL, 0xFFFFFFFELL }, |
43 | /* Y2106 threshold plus 1 and 2 seconds. */ |
44 | { 0x100000001LL, 0x100000002LL }, |
45 | /* Around Y2106 threshold. */ |
46 | { 0xFFFFFFFELL, 0xFFFFFFFELL }, |
47 | }; |
48 | |
49 | #define PREPARE do_prepare |
50 | static void |
51 | do_prepare (int argc, char *argv[]) |
52 | { |
53 | temp_fd = create_temp_file (base: "utime" , filename: &testfile); |
54 | TEST_VERIFY_EXIT (temp_fd > 0); |
55 | |
56 | testlink = xasprintf (format: "%s-symlink" , testfile); |
57 | xsymlink (target: testfile, linkpath: testlink); |
58 | add_temp_file (name: testlink); |
59 | } |
60 | |
61 | static int |
62 | do_test (void) |
63 | { |
64 | if (sizeof (time_t) == 8 && !support_path_support_time64 (path: testfile)) |
65 | FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps" , |
66 | testfile); |
67 | |
68 | bool y2106 = support_path_support_time64_value (path: testfile, |
69 | at: 0x100000001LL, |
70 | mt: 0x100000002LL); |
71 | |
72 | for (int i = 0; i < array_length (tests); i++) |
73 | { |
74 | /* Check if we run on port with 32 bit time_t size. */ |
75 | time_t t; |
76 | if (__builtin_add_overflow (tests[i].v1, 0, &t) |
77 | || __builtin_add_overflow (tests[i].v2, 0, &t)) |
78 | { |
79 | printf (format: "warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: " |
80 | "time_t overflows\n" , i, tests[i].v1, tests[i].v2); |
81 | continue; |
82 | } |
83 | |
84 | if (tests[i].v1 >= 0x100000000LL && !y2106) |
85 | { |
86 | printf (format: "warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: " |
87 | "unsupported timestamp value\n" , |
88 | i, tests[i].v1, tests[i].v2); |
89 | continue; |
90 | } |
91 | |
92 | TEST_CALL (testfile, temp_fd, testlink, tests[i].v1, tests[i].v2); |
93 | } |
94 | |
95 | return 0; |
96 | } |
97 | |
98 | #include <support/test-driver.c> |
99 | |