t_rename.c revision 314817 
1/* $NetBSD: t_rename.c,v 1.3 2017/01/13 21:30:41 christos Exp $ */
2
3/*
4 * Copyright (c) 2001, 2008, 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28#define _NETBSD_SOURCE	/* strlcat/random */
29#include <sys/cdefs.h>
30__COPYRIGHT("@(#) Copyright (c) 2008, 2010\
31 The NetBSD Foundation, inc. All rights reserved.");
32__RCSID("$NetBSD: t_rename.c,v 1.3 2017/01/13 21:30:41 christos Exp $");
33
34#include <sys/types.h>
35#include <sys/stat.h>
36
37#include <errno.h>
38#include <fcntl.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <unistd.h>
43
44#include <atf-c.h>
45
46#include "h_macros.h"
47
48ATF_TC(rename);
49ATF_TC_HEAD(rename, tc)
50{
51	atf_tc_set_md_var(tc, "descr", "Checks rename(2)");
52}
53ATF_TC_BODY(rename, tc)
54{
55	struct stat sb;
56
57	REQUIRE_LIBC(open("t1", O_CREAT | O_TRUNC | O_WRONLY, 0600), -1);
58	REQUIRE_LIBC(link("t1", "t2"), -1);
59
60	/* Check if rename to same name works as expected */
61	REQUIRE_LIBC(rename("t1", "t1"), -1);
62
63	/* Rename removed file? */
64	REQUIRE_LIBC(stat("t1", &sb), -1);
65
66	REQUIRE_LIBC(rename("t1", "t2"), -1);
67
68#if BSD_RENAME
69	/* check if rename of hardlinked file works the BSD way */
70	ATF_REQUIRE_MSG(stat("t1", &sb) != 0, "BSD rename should remove file t1");
71	ATF_REQUIRE_EQ(errno, ENOENT);
72#else
73	/* check if rename of hardlinked file works as the standard says */
74	REQUIRE_LIBC(stat("t1", &sb), -1);
75#endif
76	/* check if we get the expected error */
77	/* this also exercises icky shared libraries goo */
78	ATF_REQUIRE_MSG(rename("no/such/file/or/dir", "no/such/file/or/dir") != 0,
79		"No error renaming nonexistent file");
80	ATF_REQUIRE_EQ(errno, ENOENT);
81}
82
83ATF_TP_ADD_TCS(tp)
84{
85
86	ATF_TP_ADD_TC(tp, rename);
87
88	return atf_no_error();
89}
90