9 static void prepare (void);
10 #define PREPARE(argc, argv) prepare ()
12 static int do_test (void);
13 #define TEST_FUNCTION do_test ()
15 #include "../test-skeleton.c"
22 size_t test_dir_len = strlen (test_dir);
23 static const char dir_name[] = "/tst-fstatat.XXXXXX";
25 size_t dirbuflen = test_dir_len + sizeof (dir_name);
26 char *dirbuf = malloc (dirbuflen);
29 puts ("out of memory");
33 snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
34 if (mkdtemp (dirbuf) == NULL)
36 puts ("cannot create temporary directory");
40 add_temp_file (dirbuf);
42 dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
45 puts ("cannot open directory");
54 /* fdopendir takes over the descriptor, make a copy. */
55 int dupfd = dup (dir_fd);
61 if (lseek (dupfd, 0, SEEK_SET) != 0)
63 puts ("1st lseek failed");
67 /* The directory should be empty safe the . and .. files. */
68 DIR *dir = fdopendir (dupfd);
71 puts ("fdopendir failed");
75 while ((d = readdir64 (dir)) != NULL)
76 if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
78 printf ("temp directory contains file \"%s\"\n", d->d_name);
83 /* Try to create a file. */
84 int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
89 puts ("*at functions not supported");
93 puts ("file creation failed");
96 write (fd, "hello", 5);
97 puts ("file created");
101 /* Before closing the file, try using this file descriptor to open
102 another file. This must fail. */
103 if (fstatat64 (fd, "some-file", &st1, 0) != -1)
105 puts ("fstatatat using descriptor for normal file worked");
108 if (errno != ENOTDIR)
110 puts ("error for fstatat using descriptor for normal file not ENOTDIR ");
114 if (fstat64 (fd, &st1) != 0)
116 puts ("fstat64 failed");
123 if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0)
125 puts ("fstatat64 failed");
129 if (st1.st_dev != st2.st_dev
130 || st1.st_ino != st2.st_ino
131 || st1.st_size != st2.st_size)
133 puts ("stat results do not match");
137 if (unlinkat (dir_fd, "some-file", 0) != 0)
139 puts ("unlinkat failed");
143 if (fstatat64 (dir_fd, "some-file", &st2, 0) == 0)
145 puts ("second fstatat64 succeeded");
150 puts ("second fstatat64 did not fail with ENOENT");
154 /* Create a file descriptor which is closed again right away. */
155 int dir_fd2 = dup (dir_fd);
163 if (fstatat64 (dir_fd2, "some-file", &st1, 0) != -1)
165 puts ("fstatat64 using closed descriptor worked");
170 puts ("error for fstatat using closed descriptor not EBADF ");
176 if (fstatat64 (-1, "some-file", &st1, 0) != -1)
178 puts ("fstatat64 using invalid descriptor worked");
183 puts ("error for fstatat using invalid descriptor not EBADF ");