1/*
2 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23#include <stdio.h>  // fprintf(), NULL
24#include <stdlib.h> // exit(), EXIT_SUCCESS
25#include <string.h>
26#include <dlfcn.h>
27#include <pthread.h>
28
29#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
30
31
32///
33/// This tests that the dlerror message is cleared when dlerror is called
34///
35
36int main()
37{
38	// try to non-existent library
39	void* handle1 = dlopen("frobulite", RTLD_LAZY);
40	if ( handle1 != NULL ) {
41		FAIL("dlerror-clear: dlopen(\"frobulite\", RTLD_LAZY) succeeded but should have failed");
42		exit(0);
43	}
44
45	// verify there is an error message
46	const char* msg = dlerror();
47	if ( msg == NULL ) {
48		FAIL("dlerror-clear: dlerror() returned NULL but should have returned an error message");
49		exit(0);
50	}
51
52	// verify error message was cleared
53	const char* msg2 = dlerror();
54	if ( msg2 != NULL ) {
55		FAIL("dlerror-clear: dlerror() returned message but should have returned NULL");
56		exit(0);
57	}
58
59	PASS("dlerror-clear");
60	return 0;
61}
62