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-symlinkat.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 static const char symlinkcontent[] = "some-file";
84 if (symlinkat (symlinkcontent, dir_fd, "another-file") != 0)
86 puts ("symlinkat failed");
91 if (fstatat64 (dir_fd, "another-file", &st2, AT_SYMLINK_NOFOLLOW) != 0)
93 puts ("fstatat64 failed");
96 if (!S_ISLNK (st2.st_mode))
98 puts ("2nd fstatat64 does not show file is a symlink");
102 if (fstatat64 (dir_fd, symlinkcontent, &st2, AT_SYMLINK_NOFOLLOW) == 0)
104 puts ("2nd fstatat64 succeeded");
109 int n = readlinkat (dir_fd, "another-file", buf, sizeof (buf));
112 puts ("readlinkat failed");
115 if (n != sizeof (symlinkcontent) - 1)
117 printf ("readlinkat returned %d, expected %zu\n",
118 n, sizeof (symlinkcontent) - 1);
121 if (strncmp (buf, symlinkcontent, n) != 0)
123 puts ("readlinkat retrieved wrong link content");
127 if (unlinkat (dir_fd, "another-file", 0) != 0)
129 puts ("unlinkat failed");