t_fcntl.c revision 1.2 
1/*	$NetBSD: t_fcntl.c,v 1.2 2019/10/20 16:02:11 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2019 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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
32#include <sys/param.h>
33#include <sys/types.h>
34#include <atf-c.h>
35#include <fcntl.h>
36#include <errno.h>
37#include <stdlib.h>
38#include <string.h>
39#include <unistd.h>
40
41ATF_TC(getpath);
42ATF_TC_HEAD(getpath, tc)
43{
44
45	atf_tc_set_md_var(tc, "descr", "Checks fcntl(2) F_GETPATH");
46}
47
48static const struct {
49	const char *name;
50	int rv;
51} files[] = {
52	{ "/bin/ls", 0 },
53	{ "/bin/sh", 0 },
54	{ "/dev/zero", 0 },
55	{ "/dev/null", 0 },
56	{ "/sbin/chown", 0 },
57	{ "/", ENOENT },
58};
59
60ATF_TC_BODY(getpath, tc)
61{
62	char path[MAXPATHLEN];
63	int fd, rv;
64
65	for (size_t i = 0; i < __arraycount(files); i++) {
66		fd = open(files[i].name, O_RDONLY|O_NOFOLLOW);
67		ATF_REQUIRE_MSG(fd != -1, "Cannot open `%s'", files[i].name);
68		rv = fcntl(fd, F_GETPATH, path);
69		if (files[i].rv) {
70			ATF_REQUIRE_MSG(errno == files[i].rv,
71			    "Unexpected error %d != %d for `%s'", errno,
72			    files[i].rv, files[i].name);
73		} else {
74			ATF_REQUIRE_MSG(rv != -1,
75			    "Can't get path for `%s' (%s)", files[i].name,
76			    strerror(errno));
77			ATF_REQUIRE_MSG(strcmp(files[i].name, path) == 0,
78			    "Bad name `%s' != `%s'", path, files[i].name);
79		close(fd);
80		}
81	}
82}
83
84ATF_TP_ADD_TCS(tp)
85{
86	ATF_TP_ADD_TC(tp, getpath);
87
88	return atf_no_error();
89}
90