xref: /freebsd/contrib/netbsd-tests/lib/libc/gen/t_ftok.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: t_ftok.c,v 1.1 2011/11/08 05:47:00 jruoho 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 1.1 2011/11/08 05:47:00 jruoho 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 
41 static const char *path = "ftok";
42 static const char *hlnk = "hlnk";
43 static const char *slnk = "slnk";
44 static const int key = 123456789;
45 
46 ATF_TC(ftok_err);
47 ATF_TC_HEAD(ftok_err, tc)
48 {
49 	atf_tc_set_md_var(tc, "descr", "Test errors from ftok(3)");
50 }
51 
52 ATF_TC_BODY(ftok_err, tc)
53 {
54 	ATF_REQUIRE(ftok("/a/b/c/d/e/f/g/h/i", key) == -1);
55 }
56 
57 ATF_TC_WITH_CLEANUP(ftok_link);
58 ATF_TC_HEAD(ftok_link, tc)
59 {
60 	atf_tc_set_md_var(tc, "descr", "Test that links return the same key");
61 }
62 
63 ATF_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 	ATF_REQUIRE(link(path, hlnk) == 0);
72 	ATF_REQUIRE(symlink(path, slnk) == 0);
73 
74 	k1 = ftok(path, key);
75 	k2 = ftok(hlnk, key);
76 	k3 = ftok(slnk, key);
77 
78 	ATF_REQUIRE(k1 != -1);
79 	ATF_REQUIRE(k2 != -1);
80 	ATF_REQUIRE(k3 != -1);
81 
82 	if (k1 != k2)
83 		atf_tc_fail("ftok(3) gave different key for a hard link");
84 
85 	if (k1 != k3)
86 		atf_tc_fail("ftok(3) gave different key for a symbolic link");
87 
88 	ATF_REQUIRE(unlink(path) == 0);
89 	ATF_REQUIRE(unlink(hlnk) == 0);
90 	ATF_REQUIRE(unlink(slnk) == 0);
91 }
92 
93 ATF_TC_CLEANUP(ftok_link, tc)
94 {
95 	(void)unlink(path);
96 	(void)unlink(hlnk);
97 	(void)unlink(slnk);
98 }
99 
100 ATF_TP_ADD_TCS(tp)
101 {
102 
103 	ATF_TP_ADD_TC(tp, ftok_err);
104 	ATF_TP_ADD_TC(tp, ftok_link);
105 
106 	return atf_no_error();
107 }
108