1 /* Tests of mkfifoat and mknodat.
2 Copyright (C) 2009, 2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */
23 #include "signature.h"
24 SIGNATURE_CHECK (mkfifoat, int, (int, char const *, mode_t));
25 SIGNATURE_CHECK (mknodat, int, (int, char const *, mode_t, dev_t));
35 #include "ignore-value.h"
38 #define BASE "test-mkfifoat.t"
40 #include "test-mkfifo.h"
42 typedef int (*test_func) (int, char const *, mode_t);
44 static int dfd = AT_FDCWD;
46 /* Wrapper to test mknodat like mkfifoat. */
48 test_mknodat (int fd, char const *name, mode_t mode)
50 /* This is the only portable use of mknodat, per POSIX. */
51 return mknodat (fd, name, mode | S_IFIFO, 0);
54 /* Wrapper to test mkfifoat like mkfifo. */
56 do_mkfifoat (char const *name, mode_t mode)
58 return mkfifoat (dfd, name, mode);
61 /* Wrapper to test mknodat like mkfifo. */
63 do_mknodat (char const *name, mode_t mode)
65 return mknodat (dfd, name, mode | S_IFIFO, 0);
72 test_func funcs[2] = { mkfifoat, test_mknodat };
75 /* Remove any leftovers from a previous partial run. */
76 ignore_value (system ("rm -rf " BASE "*"));
79 result = test_mkfifo (do_mkfifoat, true);
80 ASSERT (test_mkfifo (do_mknodat, false) == result);
81 dfd = open (".", O_RDONLY);
83 ASSERT (test_mkfifo (do_mkfifoat, false) == result);
84 ASSERT (test_mkfifo (do_mknodat, false) == result);
86 /* Test directory-relative handling of both functions. */
87 for (i = 0; i < 2; i++)
90 test_func func = funcs[i];
92 /* Create fifo while cwd is '.', then stat it from '..'. */
93 ASSERT (func (AT_FDCWD, BASE "fifo", 0600) == 0);
95 ASSERT (func (dfd, BASE "fifo", 0600) == -1);
96 ASSERT (errno == EEXIST);
97 ASSERT (chdir ("..") == 0);
99 ASSERT (fstatat (AT_FDCWD, BASE "fifo", &st, 0) == -1);
100 ASSERT (errno == ENOENT);
101 memset (&st, 0, sizeof st);
102 ASSERT (fstatat (dfd, BASE "fifo", &st, 0) == 0);
103 ASSERT (S_ISFIFO (st.st_mode));
104 ASSERT (unlinkat (dfd, BASE "fifo", 0) == 0);
106 /* Create fifo while cwd is '..', then stat it from '.'. */
107 ASSERT (func (dfd, BASE "fifo", 0600) == 0);
108 ASSERT (fchdir (dfd) == 0);
110 ASSERT (func (AT_FDCWD, BASE "fifo", 0600) == -1);
111 ASSERT (errno == EEXIST);
112 memset (&st, 0, sizeof st);
113 ASSERT (fstatat (AT_FDCWD, BASE "fifo", &st, AT_SYMLINK_NOFOLLOW) == 0);
114 ASSERT (S_ISFIFO (st.st_mode));
115 memset (&st, 0, sizeof st);
116 ASSERT (fstatat (dfd, BASE "fifo", &st, AT_SYMLINK_NOFOLLOW) == 0);
117 ASSERT (S_ISFIFO (st.st_mode));
118 ASSERT (unlink (BASE "fifo") == 0);
121 ASSERT (close (dfd) == 0);