unit-tests/test-cases/dladdr-stripped/main.c

   1 /*
   2  * Copyright (c) 2009 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 <mach-o/dyld.h>
  28
  29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  30
  31
  32 ///
  33 /// verify dladdr() returns NULL for a symbol name in a fully stripped
  34 /// main executable (and not _mh_execute_header+nnn).
  35 ///
  36
  37 int main()
  38 {
  39         Dl_info info;
  40         if ( dladdr(&main, &info) == 0 ) {
  41                 FAIL("dladdr(&main, xx) failed");
  42                 exit(0);
  43         }
  44
  45         if ( info.dli_sname != NULL ){
  46                 FAIL("dladdr() returned: \"%s\" instead of NULL", info.dli_sname);
  47                 exit(0);
  48         }
  49
  50         PASS("dladdr-stripped");
  51         return EXIT_SUCCESS;
  52 }