1 | /* futimesat basic tests. |
2 | Copyright (C) 2021-2022 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 <dirent.h> |
20 | #include <errno.h> |
21 | #include <fcntl.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | #include <string.h> |
25 | #include <unistd.h> |
26 | #include <sys/stat.h> |
27 | #include <sys/time.h> |
28 | |
29 | #include <support/test-driver.h> |
30 | #include <support/temp_file.h> |
31 | |
32 | #ifndef struct_stat |
33 | # define struct_stat struct stat64 |
34 | # define fstat fstat64 |
35 | # define fstatat fstatat64 |
36 | #endif |
37 | |
38 | static int dir_fd; |
39 | |
40 | static void |
41 | prepare (int argc, char *argv[]) |
42 | { |
43 | size_t test_dir_len = strlen (test_dir); |
44 | static const char dir_name[] = "/tst-futimesat.XXXXXX" ; |
45 | |
46 | size_t dirbuflen = test_dir_len + sizeof (dir_name); |
47 | char *dirbuf = malloc (size: dirbuflen); |
48 | if (dirbuf == NULL) |
49 | { |
50 | puts (s: "out of memory" ); |
51 | exit (1); |
52 | } |
53 | |
54 | snprintf (s: dirbuf, maxlen: dirbuflen, format: "%s%s" , test_dir, dir_name); |
55 | if (mkdtemp (template: dirbuf) == NULL) |
56 | { |
57 | puts (s: "cannot create temporary directory" ); |
58 | exit (1); |
59 | } |
60 | |
61 | add_temp_file (name: dirbuf); |
62 | |
63 | dir_fd = open (file: dirbuf, O_RDONLY | O_DIRECTORY); |
64 | if (dir_fd == -1) |
65 | { |
66 | puts (s: "cannot open directory" ); |
67 | exit (1); |
68 | } |
69 | } |
70 | #define PREPARE prepare |
71 | |
72 | static int |
73 | do_test (void) |
74 | { |
75 | /* fdopendir takes over the descriptor, make a copy. */ |
76 | int dupfd = dup (fd: dir_fd); |
77 | if (dupfd == -1) |
78 | { |
79 | puts (s: "dup failed" ); |
80 | return 1; |
81 | } |
82 | if (lseek (fd: dupfd, offset: 0, SEEK_SET) != 0) |
83 | { |
84 | puts (s: "1st lseek failed" ); |
85 | return 1; |
86 | } |
87 | |
88 | /* The directory should be empty safe the . and .. files. */ |
89 | DIR *dir = fdopendir (fd: dupfd); |
90 | if (dir == NULL) |
91 | { |
92 | puts (s: "fdopendir failed" ); |
93 | return 1; |
94 | } |
95 | struct dirent64 *d; |
96 | while ((d = readdir64 (dirp: dir)) != NULL) |
97 | if (strcmp (d->d_name, "." ) != 0 && strcmp (d->d_name, ".." ) != 0) |
98 | { |
99 | printf (format: "temp directory contains file \"%s\"\n" , d->d_name); |
100 | return 1; |
101 | } |
102 | closedir (dirp: dir); |
103 | |
104 | /* Try to create a file. */ |
105 | int fd = openat (fd: dir_fd, file: "some-file" , O_CREAT|O_RDWR|O_EXCL, 0666); |
106 | if (fd == -1) |
107 | { |
108 | if (errno == ENOSYS) |
109 | { |
110 | puts (s: "*at functions not supported" ); |
111 | return 0; |
112 | } |
113 | |
114 | puts (s: "file creation failed" ); |
115 | return 1; |
116 | } |
117 | write (fd, "hello" , 5); |
118 | puts (s: "file created" ); |
119 | |
120 | struct_stat st1; |
121 | if (fstat (fd: fd, buf: &st1) != 0) |
122 | { |
123 | puts (s: "fstat64 failed" ); |
124 | return 1; |
125 | } |
126 | |
127 | close (fd: fd); |
128 | |
129 | struct timeval tv[2]; |
130 | tv[0].tv_sec = st1.st_atime + 1; |
131 | tv[0].tv_usec = 0; |
132 | tv[1].tv_sec = st1.st_mtime + 1; |
133 | tv[1].tv_usec = 0; |
134 | if (futimesat (fd: dir_fd, file: "some-file" , tvp: tv) != 0) |
135 | { |
136 | puts (s: "futimesat failed" ); |
137 | return 1; |
138 | } |
139 | |
140 | struct_stat st2; |
141 | if (fstatat (fd: dir_fd, file: "some-file" , buf: &st2, flag: 0) != 0) |
142 | { |
143 | puts (s: "fstatat64 failed" ); |
144 | return 1; |
145 | } |
146 | |
147 | if (st2.st_mtime != tv[1].tv_sec |
148 | #ifdef _STATBUF_ST_NSEC |
149 | || st2.st_mtim.tv_nsec != 0 |
150 | #endif |
151 | ) |
152 | { |
153 | puts (s: "stat shows different mtime" ); |
154 | return 1; |
155 | } |
156 | |
157 | |
158 | if (unlinkat (fd: dir_fd, name: "some-file" , flag: 0) != 0) |
159 | { |
160 | puts (s: "unlinkat failed" ); |
161 | return 1; |
162 | } |
163 | |
164 | close (fd: dir_fd); |
165 | |
166 | return 0; |
167 | } |
168 | |
169 | #include <support/test-driver.c> |
170 | |