1 /* Test for faccessat function. */
11 static void prepare (void);
12 #define PREPARE(argc, argv) prepare ()
14 static int do_test (void);
15 #define TEST_FUNCTION do_test ()
17 #include "../test-skeleton.c"
24 size_t test_dir_len = strlen (test_dir);
25 static const char dir_name[] = "/tst-faccessat.XXXXXX";
27 size_t dirbuflen = test_dir_len + sizeof (dir_name);
28 char *dirbuf = malloc (dirbuflen);
31 puts ("out of memory");
35 snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
36 if (mkdtemp (dirbuf) == NULL)
38 puts ("cannot create temporary directory");
42 add_temp_file (dirbuf);
44 dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
47 puts ("cannot open directory");
56 /* fdopendir takes over the descriptor, make a copy. */
57 int dupfd = dup (dir_fd);
63 if (lseek (dupfd, 0, SEEK_SET) != 0)
65 puts ("1st lseek failed");
69 /* The directory should be empty save the . and .. files. */
70 DIR *dir = fdopendir (dupfd);
73 puts ("fdopendir failed");
77 while ((d = readdir64 (dir)) != NULL)
78 if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
80 printf ("temp directory contains file \"%s\"\n", d->d_name);
85 /* Try to create a file. */
86 int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
91 puts ("*at functions not supported");
95 puts ("file creation failed");
98 write (fd, "hello", 5);
99 puts ("file created");
105 if (faccessat (dir_fd, "some-file", F_OK, AT_EACCESS))
107 printf ("faccessat F_OK: %m\n");
110 if (faccessat (dir_fd, "some-file", W_OK, AT_EACCESS))
112 printf ("faccessat W_OK: %m\n");
117 if (faccessat (dir_fd, "some-file", X_OK, AT_EACCESS) == 0
120 printf ("faccessat X_OK on nonexecutable: %m\n");
124 if (fchmodat (dir_fd, "some-file", 0400, 0) != 0)
126 printf ("fchownat failed: %m\n");
130 if (faccessat (dir_fd, "some-file", R_OK, AT_EACCESS))
132 printf ("faccessat R_OK: %m\n");
137 if (faccessat (dir_fd, "some-file", W_OK, AT_EACCESS) == 0
140 printf ("faccessat W_OK on unwritable file: %m\n");
144 if (unlinkat (dir_fd, "some-file", 0) != 0)
146 puts ("unlinkat failed");