unit-tests/test-cases/dlopen-in-initializer/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 <dlfcn.h>
  26
  27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  28
  29
  30 static void trySO(const char* path)
  31 {
  32         void* handle = dlopen(path, RTLD_LAZY);
  33         if ( handle == NULL ) {
  34                 FAIL("dlopen(\"%s\") failed with: %s", path, dlerror());
  35                 exit(0);
  36         }
  37
  38         void* sym = dlsym(handle, "foo");
  39         if ( sym == NULL ) {
  40                 FAIL("dlsym(handle, \"foo\") failed");
  41                 exit(0);
  42         }
  43
  44         int result = dlclose(handle);
  45         if ( result != 0 ) {
  46                 if ( result == 1 ) {
  47                         // panther dyld returns 1 if you try to dlclose() a dylib
  48                         XFAIL("dlclose(handle) returned %d", result);
  49                 }
  50                 else {
  51                         FAIL("dlclose(handle) returned %d", result);
  52                         exit(0);
  53                 }
  54         }
  55
  56 }
  57
  58
  59
  60 int main()
  61 {
  62         trySO("test.bundle");
  63         trySO("test.dylib");
  64
  65         PASS("dlopen-in-initializer");
  66         return EXIT_SUCCESS;
  67 }