1 /* futimesat basic tests.
2 Copyright (C) 2021-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
29 #include <support/test-driver.h>
30 #include <support/temp_file.h>
33 # define struct_stat struct stat64
34 # define fstat fstat64
35 # define fstatat fstatat64
41 prepare (int argc
, char *argv
[])
43 size_t test_dir_len
= strlen (test_dir
);
44 static const char dir_name
[] = "/tst-futimesat.XXXXXX";
46 size_t dirbuflen
= test_dir_len
+ sizeof (dir_name
);
47 char *dirbuf
= malloc (dirbuflen
);
50 puts ("out of memory");
54 snprintf (dirbuf
, dirbuflen
, "%s%s", test_dir
, dir_name
);
55 if (mkdtemp (dirbuf
) == NULL
)
57 puts ("cannot create temporary directory");
61 add_temp_file (dirbuf
);
63 dir_fd
= open (dirbuf
, O_RDONLY
| O_DIRECTORY
);
66 puts ("cannot open directory");
70 #define PREPARE prepare
75 /* fdopendir takes over the descriptor, make a copy. */
76 int dupfd
= dup (dir_fd
);
82 if (lseek (dupfd
, 0, SEEK_SET
) != 0)
84 puts ("1st lseek failed");
88 /* The directory should be empty safe the . and .. files. */
89 DIR *dir
= fdopendir (dupfd
);
92 puts ("fdopendir failed");
96 while ((d
= readdir64 (dir
)) != NULL
)
97 if (strcmp (d
->d_name
, ".") != 0 && strcmp (d
->d_name
, "..") != 0)
99 printf ("temp directory contains file \"%s\"\n", d
->d_name
);
104 /* Try to create a file. */
105 int fd
= openat (dir_fd
, "some-file", O_CREAT
|O_RDWR
|O_EXCL
, 0666);
110 puts ("*at functions not supported");
114 puts ("file creation failed");
117 write (fd
, "hello", 5);
118 puts ("file created");
121 if (fstat (fd
, &st1
) != 0)
123 puts ("fstat64 failed");
129 struct timeval tv
[2];
130 tv
[0].tv_sec
= st1
.st_atime
+ 1;
132 tv
[1].tv_sec
= st1
.st_mtime
+ 1;
134 if (futimesat (dir_fd
, "some-file", tv
) != 0)
136 puts ("futimesat failed");
141 if (fstatat (dir_fd
, "some-file", &st2
, 0) != 0)
143 puts ("fstatat64 failed");
147 if (st2
.st_mtime
!= tv
[1].tv_sec
148 #ifdef _STATBUF_ST_NSEC
149 || st2
.st_mtim
.tv_nsec
!= 0
153 puts ("stat shows different mtime");
158 if (unlinkat (dir_fd
, "some-file", 0) != 0)
160 puts ("unlinkat failed");
169 #include <support/test-driver.c>