t_ftok.c revision 313535 
1/*	$NetBSD: t_ftok.c,v 1.2 2017/01/10 15:19:52 christos Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: t_ftok.c,v 1.2 2017/01/10 15:19:52 christos Exp $");
33
34#include <sys/types.h>
35#include <sys/ipc.h>
36
37#include <atf-c.h>
38#include <fcntl.h>
39#include <unistd.h>
40
41static const char *path = "ftok";
42static const char *hlnk = "hlnk";
43static const char *slnk = "slnk";
44static const int key = 123456789;
45
46ATF_TC(ftok_err);
47ATF_TC_HEAD(ftok_err, tc)
48{
49	atf_tc_set_md_var(tc, "descr", "Test errors from ftok(3)");
50}
51
52ATF_TC_BODY(ftok_err, tc)
53{
54	ATF_REQUIRE(ftok("/a/b/c/d/e/f/g/h/i", key) == -1);
55}
56
57ATF_TC_WITH_CLEANUP(ftok_link);
58ATF_TC_HEAD(ftok_link, tc)
59{
60	atf_tc_set_md_var(tc, "descr", "Test that links return the same key");
61}
62
63ATF_TC_BODY(ftok_link, tc)
64{
65	key_t k1, k2, k3;
66	int fd;
67
68	fd = open(path, O_RDONLY | O_CREAT);
69
70	ATF_REQUIRE(fd >= 0);
71	(void)close(fd);
72	ATF_REQUIRE(link(path, hlnk) == 0);
73	ATF_REQUIRE(symlink(path, slnk) == 0);
74
75	k1 = ftok(path, key);
76	k2 = ftok(hlnk, key);
77	k3 = ftok(slnk, key);
78
79	ATF_REQUIRE(k1 != -1);
80	ATF_REQUIRE(k2 != -1);
81	ATF_REQUIRE(k3 != -1);
82
83	if (k1 != k2)
84		atf_tc_fail("ftok(3) gave different key for a hard link");
85
86	if (k1 != k3)
87		atf_tc_fail("ftok(3) gave different key for a symbolic link");
88
89	ATF_REQUIRE(unlink(path) == 0);
90	ATF_REQUIRE(unlink(hlnk) == 0);
91	ATF_REQUIRE(unlink(slnk) == 0);
92}
93
94ATF_TC_CLEANUP(ftok_link, tc)
95{
96	(void)unlink(path);
97	(void)unlink(hlnk);
98	(void)unlink(slnk);
99}
100
101ATF_TP_ADD_TCS(tp)
102{
103
104	ATF_TP_ADD_TC(tp, ftok_err);
105	ATF_TP_ADD_TC(tp, ftok_link);
106
107	return atf_no_error();
108}
109