unit-tests/test-cases/dlopen-DYLD_LIBRARY_PATH/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 #include <string.h>
  27 #include <stdlib.h> // for getenv()
  28
  29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  30
  31
  32
  33 typedef int (*fooproc)();
  34
  35 int main(int argc, const char* argv[])
  36 {
  37         void* handle = dlopen(argv[1], RTLD_LAZY);
  38         if ( handle == NULL ) {
  39                 FAIL("dlopen(\"%s\") failed", argv[1]);
  40                 exit(0);
  41         }
  42
  43         fooproc sym = (fooproc)dlsym(handle, "foo");
  44         if ( sym == NULL ) {
  45                 FAIL("dlsym(handle, \"foo\") failed");
  46                 exit(0);
  47         }
  48
  49         int expectedResult = 0;
  50         if ( getenv("DYLD_LIBRARY_PATH") != NULL )
  51                 expectedResult = 1;
  52
  53         int actualResult = (*sym)();
  54
  55         if ( actualResult != expectedResult )
  56                 FAIL("dlopen-DYLD_LIBRARY_PATH using wrong dylib");
  57         else
  58                 PASS("dlopen-DYLD_LIBRARY_PATH");
  59
  60         return EXIT_SUCCESS;
  61 }