xref: /freebsd/contrib/netbsd-tests/libexec/ld.elf_so/t_dlerror-cleared.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: t_dlerror-cleared.c,v 1.1 2010/12/14 05:57:32 skrll Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 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
17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include <sys/types.h>
31 
32 #include <atf-c.h>
33 #include <dlfcn.h>
34 #include <link_elf.h>
35 
36 #include "../../h_macros.h"
37 
38 ATF_TC(rtld_dlerror_cleared);
39 ATF_TC_HEAD(rtld_dlerror_cleared, tc)
40 {
41 	atf_tc_set_md_var(tc, "descr",
42 	    "error set by dlopen persists past a successful dlopen call");
43 }
44 
45 ATF_TC_BODY(rtld_dlerror_cleared, tc)
46 {
47 	void *handle;
48 	char *error;
49 
50 	/*
51 	 * Test that an error set by dlopen() persists past a successful
52 	 * dlopen() call.
53 	 */
54 	handle = dlopen("libnonexistent.so", RTLD_LAZY);
55 	ATF_CHECK(handle == NULL);
56 	handle = dlopen("libm.so", RTLD_NOW);
57 	ATF_CHECK(handle);
58 	error = dlerror();
59 	ATF_CHECK(error);
60 
61 }
62 
63 ATF_TP_ADD_TCS(tp)
64 {
65 	ATF_TP_ADD_TC(tp, rtld_dlerror_cleared);
66 	return 0;
67 }
68