unit-tests/test-cases/dlopen_preflight-cycle/main.c

   1 /*
   2  * Copyright (c) 2011 Apple 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 <stdbool.h>  // fprintf(), NULL
  24 #include <stdio.h>  // fprintf(), NULL
  25 #include <stdlib.h> // exit(), EXIT_SUCCESS
  26 #include <stdbool.h>
  27 #include <string.h>
  28 #include <mach-o/dyld.h>
  29 #include <mach-o/dyld_priv.h>
  30 #include <dlfcn.h>
  31
  32 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  33
  34
  35 int main(int argc, const char* argv[])
  36 {
  37         if ( ! dlopen_preflight("libfoo.dylib") ) {
  38                 FAIL("dlopen_preflight-cycle libfoo.dylib should not be loadable");
  39                 return EXIT_SUCCESS;
  40         }
  41
  42         void* handle = dlopen("libbar.dylib", RTLD_NOLOAD);
  43         if ( handle != NULL ) {
  44                 FAIL("dlopen_preflight-cycle libbar.dylib was left loaded by dlopen_preflight()");
  45                 return EXIT_SUCCESS;
  46         }
  47
  48         handle = dlopen("libbaz.dylib", RTLD_NOLOAD);
  49         if ( handle != NULL ) {
  50                 FAIL("dlopen_preflight-cycle libbaz.dylib was left loaded by dlopen_preflight()");
  51                 return EXIT_SUCCESS;
  52         }
  53
  54         handle = dlopen("libfoo.dylib", RTLD_NOLOAD);
  55         if ( handle != NULL ) {
  56                 FAIL("dlopen_preflight-cycle libfoo.dylib was left loaded by dlopen_preflight()");
  57                 return EXIT_SUCCESS;
  58         }
  59
  60         PASS("dlopen_preflight-cycle");
  61         return EXIT_SUCCESS;
  62 }