1272343Sngie/*	$NetBSD: t_dlerror-false.c,v 1.1 2010/12/14 05:57:32 skrll Exp $	*/
2272343Sngie
3272343Sngie/*
4272343Sngie * Copyright (c) 2009 The NetBSD Foundation, Inc.
5272343Sngie * All rights reserved.
6272343Sngie *
7272343Sngie * Redistribution and use in source and binary forms, with or without
8272343Sngie * modification, are permitted provided that the following conditions
9272343Sngie * are met:
10272343Sngie * 1. Redistributions of source code must retain the above copyright
11272343Sngie *    notice, this list of conditions and the following disclaimer.
12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright
13272343Sngie *    notice, this list of conditions and the following disclaimer in the
14272343Sngie *    documentation and/or other materials provided with the distribution.
15272343Sngie *
16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17272343Sngie * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18272343Sngie * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19272343Sngie * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20272343Sngie * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21272343Sngie * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22272343Sngie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23272343Sngie * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25272343Sngie * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26272343Sngie * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27272343Sngie * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28272343Sngie */
29272343Sngie
30272343Sngie#include <sys/types.h>
31272343Sngie
32272343Sngie#include <atf-c.h>
33272343Sngie#include <dlfcn.h>
34272343Sngie#include <link_elf.h>
35272343Sngie
36272343Sngie#include "../../h_macros.h"
37272343Sngie
38272343SngieATF_TC(rtld_dlerror_false);
39272343SngieATF_TC_HEAD(rtld_dlerror_false, tc)
40272343Sngie{
41272343Sngie	atf_tc_set_md_var(tc, "descr",
42272343Sngie	    "error set by dlopen persists past a successful dlopen call");
43272343Sngie}
44272343Sngie
45272343SngieATF_TC_BODY(rtld_dlerror_false, tc)
46272343Sngie{
47272343Sngie	void *handle, *sym;
48272343Sngie	char *error;
49272343Sngie
50272343Sngie	/*
51272343Sngie	 *
52272343Sngie	 * Test for dlerror() being set by a successful library open.
53272343Sngie	 * Requires that the rpath be set to something that does not
54272343Sngie	 * include libm.so.
55272343Sngie	 */
56272343Sngie
57272343Sngie	handle = dlopen("libm.so", RTLD_LAZY);
58272343Sngie	error = dlerror();
59272343Sngie	ATF_CHECK(error == NULL);
60272343Sngie	ATF_CHECK(handle != NULL);
61272343Sngie
62272343Sngie	sym = dlsym(handle, "sin");
63272343Sngie	error = dlerror();
64272343Sngie	ATF_CHECK(sym != NULL);
65272343Sngie	ATF_CHECK(error == NULL);
66272343Sngie
67272343Sngie	dlclose(handle);
68272343Sngie	error = dlerror();
69272343Sngie
70272343Sngie	ATF_CHECK(error == NULL);
71272343Sngie
72272343Sngie}
73272343Sngie
74272343SngieATF_TP_ADD_TCS(tp)
75272343Sngie{
76272343Sngie	ATF_TP_ADD_TC(tp, rtld_dlerror_false);
77272343Sngie
78272343Sngie	return atf_no_error();
79272343Sngie}
80