projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f8466cc5 | 1 | /* Common tests for utimensat routines. |
| 581c785b | 2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
| f8466cc5 AZ |
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; | |
| 272e71dc | 27 | static char *testlink; |
| f8466cc5 AZ |
28 | |
| 29 | const static struct { | |
| 30 | int64_t v1; | |
| 31 | int64_t v2; | |
| 32 | } tests[] = { | |
| 3692c0df AZ |
33 | /* Some arbitrary date before Y2038. */ |
| 34 | { 0x60ECA720LL, 0x60eca721LL }, | |
| f8466cc5 AZ |
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 ("utime", &testfile); | |
| 54 | TEST_VERIFY_EXIT (temp_fd > 0); | |
| 272e71dc AZ |
55 | |
| 56 | testlink = xasprintf ("%s-symlink", testfile); | |
| 57 | xsymlink (testfile, testlink); | |
| 58 | add_temp_file (testlink); | |
| f8466cc5 AZ |
59 | } |
| 60 | ||
| 61 | static int | |
| 62 | do_test (void) | |
| 63 | { | |
| 3692c0df | 64 | if (sizeof (time_t) == 8 && !support_path_support_time64 (testfile)) |
| f8466cc5 AZ |
65 | FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps", |
| 66 | testfile); | |
| 67 | ||
| 68 | bool y2106 = support_path_support_time64_value (testfile, | |
| 69 | 0x100000001LL, | |
| 70 | 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 ("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 ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: " | |
| 87 | "unsupported timestamp value\n", | |
| 88 | i, tests[i].v1, tests[i].v2); | |
| 89 | continue; | |
| 90 | } | |
| 91 | ||
| 272e71dc | 92 | TEST_CALL (testfile, temp_fd, testlink, tests[i].v1, tests[i].v2); |
| f8466cc5 AZ |
93 | } |
| 94 | ||
| 95 | return 0; | |
| 96 | } | |
| 97 | ||
| 98 | #include <support/test-driver.c> |