unit-tests/test-cases/interpose-dlsym/main.c

   1 /*
   2  * Copyright (c) 2007 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 <stdio.h>  // fprintf(), NULL
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <string.h>
  26 #include <dlfcn.h>
  27 #include <stdlib.h>
  28
  29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  30
  31
  32 int main()
  33 {
  34         void* handle = dlopen("/usr/lib/libSystem.B.dylib", RTLD_LAZY);
  35         if ( handle == NULL ) {
  36                 FAIL("interpose-dlsym: dlopen() error: %s", dlerror());
  37                 exit(0);
  38         }
  39         void* dlsym_free = dlsym(handle, "free");
  40         if ( dlsym_free == NULL ) {
  41                 FAIL("interpose-dlsym: dlsym() error: %s", dlerror());
  42                 exit(0);
  43         }
  44
  45         if ( dlsym_free == &free )
  46                 PASS("interpose-dlsym");
  47         else
  48                 FAIL("interpose-dlsym: %p != %p", dlsym_free, &free);
  49         return EXIT_SUCCESS;
  50 }