]>
Commit | Line | Data |
---|---|---|
1 | /* Basic tests for stat, lstat, fstat, and fstatat. | |
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 <errno.h> | |
21 | #include <fcntl.h> | |
22 | #include <support/check.h> | |
23 | #include <support/support.h> | |
24 | #include <support/temp_file.h> | |
25 | #include <support/xunistd.h> | |
26 | #include <sys/stat.h> | |
27 | #include <sys/sysmacros.h> | |
28 | #include <stdio.h> | |
29 | #include <unistd.h> | |
30 | ||
31 | static void | |
32 | stat_check (int fd, const char *path, struct stat *st) | |
33 | { | |
34 | TEST_COMPARE (stat (path, st), 0); | |
35 | } | |
36 | ||
37 | static void | |
38 | lstat_check (int fd, const char *path, struct stat *st) | |
39 | { | |
40 | TEST_COMPARE (lstat (path, st), 0); | |
41 | } | |
42 | ||
43 | static void | |
44 | fstat_check (int fd, const char *path, struct stat *st) | |
45 | { | |
46 | /* Test for invalid fstat input (BZ #27559). */ | |
47 | TEST_COMPARE (fstat (AT_FDCWD, st), -1); | |
48 | TEST_COMPARE (errno, EBADF); | |
49 | ||
50 | TEST_COMPARE (fstat (fd, st), 0); | |
51 | } | |
52 | ||
53 | static void | |
54 | fstatat_check (int fd, const char *path, struct stat *st) | |
55 | { | |
56 | TEST_COMPARE (fstatat (fd, "", st, 0), -1); | |
57 | TEST_COMPARE (errno, ENOENT); | |
58 | ||
59 | TEST_COMPARE (fstatat (fd, path, st, 0), 0); | |
60 | } | |
61 | ||
62 | typedef void (*test_t)(int, const char *path, struct stat *); | |
63 | ||
64 | static int | |
65 | do_test (void) | |
66 | { | |
67 | char *path; | |
68 | int fd = create_temp_file ("tst-fstat.", &path); | |
69 | TEST_VERIFY_EXIT (fd >= 0); | |
70 | support_write_file_string (path, "abc"); | |
71 | ||
72 | /* This should help to prevent delayed allocation, which may result | |
73 | in a spurious stx_blocks/st_blocks difference. */ | |
74 | fsync (fd); | |
75 | ||
76 | bool check_ns = support_stat_nanoseconds (path); | |
77 | if (!check_ns) | |
78 | printf ("warning: timestamp with nanoseconds not supported\n"); | |
79 | ||
80 | struct statx stx; | |
81 | TEST_COMPARE (statx (fd, path, 0, STATX_BASIC_STATS, &stx), 0); | |
82 | ||
83 | test_t tests[] = { stat_check, lstat_check, fstat_check, fstatat_check }; | |
84 | ||
85 | for (int i = 0; i < array_length (tests); i++) | |
86 | { | |
87 | struct stat st; | |
88 | tests[i](fd, path, &st); | |
89 | ||
90 | TEST_COMPARE (stx.stx_dev_major, major (st.st_dev)); | |
91 | TEST_COMPARE (stx.stx_dev_minor, minor (st.st_dev)); | |
92 | TEST_COMPARE (stx.stx_ino, st.st_ino); | |
93 | TEST_COMPARE (stx.stx_mode, st.st_mode); | |
94 | TEST_COMPARE (stx.stx_nlink, st.st_nlink); | |
95 | TEST_COMPARE (stx.stx_uid, st.st_uid); | |
96 | TEST_COMPARE (stx.stx_gid, st.st_gid); | |
97 | TEST_COMPARE (stx.stx_rdev_major, major (st.st_rdev)); | |
98 | TEST_COMPARE (stx.stx_rdev_minor, minor (st.st_rdev)); | |
99 | TEST_COMPARE (stx.stx_blksize, st.st_blksize); | |
100 | TEST_COMPARE (stx.stx_blocks, st.st_blocks); | |
101 | ||
102 | TEST_COMPARE (stx.stx_ctime.tv_sec, st.st_ctim.tv_sec); | |
103 | TEST_COMPARE (stx.stx_mtime.tv_sec, st.st_mtim.tv_sec); | |
104 | if (check_ns) | |
105 | { | |
106 | TEST_COMPARE (stx.stx_ctime.tv_nsec, st.st_ctim.tv_nsec); | |
107 | TEST_COMPARE (stx.stx_mtime.tv_nsec, st.st_mtim.tv_nsec); | |
108 | } | |
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | #include <support/test-driver.c> |