dyld-43.tar.gz
[apple/dyld.git] / unit-tests / test-cases / dlopen-RTLD_NOLOAD / main.c
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
28 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
29
30
31 ///
32 /// This tests that RTLD_NOLOAD binds finds existing images
33 ///
34
35
36 int main()
37 {
38 // main links against libfoo.dylib so it should already be loaded
39 void* handle = dlopen("libfoo.dylib", RTLD_NOLOAD);
40 if ( handle == NULL ) {
41 const char* msg = dlerror();
42 // Panther dlcompat does not check existing loaded images (only those opened with dlopen)
43 if ( strstr(msg, "RTLD_NOLOAD") != NULL )
44 XFAIL("dlopen(libfoo.dylib, RTLD_NOLOAD) failed but it should have worked: %s", msg);
45 else
46 FAIL("dlopen(libfoo.dylib, RTLD_NOLOAD) failed but it should have worked: %s", msg);
47 return 0;
48 }
49 void* sym = dlsym(handle, "foo");
50 if ( sym == NULL ) {
51 const char* msg = dlerror();
52 FAIL("dlsym(handle, \"foo\") failed but it should have worked: %s", msg);
53 return 0;
54 }
55
56 // libfobbulate.dylib does not exist, so load should return NULL
57 void* handle2 = dlopen("libfobbulate.dylib", RTLD_NOLOAD);
58 if ( handle2 != NULL ) {
59 FAIL("dlopen(libfobbulate.dylib, RTLD_NOLOAD) succeeded but it should have failed");
60 return 0;
61 }
62
63
64
65 PASS("dlopen-RTLD_NOLOAD");
66 return 0;
67 }