dyld/unit-tests/test-cases/dlopen_preflight-shared-cache/main.c

   1 /*
   2  * Copyright (c) 2009 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
  36 int main(int argc, const char* argv[])
  37 {
  38         // test that libbar which links with libz.dylib preflights
  39         if ( ! dlopen_preflight("./libbar.dylib") ) {
  40                 FAIL("dlopen_preflight-basic libbar.dylib should be loadable, but got: %s", dlerror());
  41                 exit(0);
  42         }
  43
  44         // test that libz.dylib itself preflights
  45         if ( ! dlopen_preflight("/usr/lib/libz.dylib") ) {
  46                 FAIL("dlopen_preflight-basic /usr/lib/libz.dylib should be loadable, but got: %s", dlerror());
  47                 exit(0);
  48         }
  49
  50         // verify libbar and libz are no longer loaded
  51         uint32_t count = _dyld_image_count();
  52         for (uint32_t i=0; i < count; ++i) {
  53                 const char* path = _dyld_get_image_name(i);
  54                 if ( strstr(path, "libz.") != NULL ) {
  55                         FAIL("dlopen_preflight-shared-cache: %s is loaded", path);
  56                         exit(0);
  57                 }
  58         }
  59
  60
  61         PASS("dlopen_preflight-shared-cache");
  62
  63         return EXIT_SUCCESS;
  64 }