/* * Copyright (c) 2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <stdio.h> // fprintf(), NULL #include <stdlib.h> // exit(), EXIT_SUCCESS #include <dlfcn.h> #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() int foo() { return 42; } int main() { // passing NULL as path to dlopen() has the special meaning of // "get handle to main executable" void* handle = dlopen(NULL, RTLD_LAZY); if ( handle == NULL ) { FAIL("dlopen(NULL, RTLD_LAZY) failed"); exit(1); } // make sure we find "foo" in this main executable void* sym = dlsym(handle, "foo"); if ( sym == NULL ) { FAIL("dlsym(handle, \"foo\") failed"); exit(1); } if ( sym != &foo ) { FAIL("dlsym(handle, \"foo\") returned wrong address"); exit(1); } PASS("dlopen-zero"); return EXIT_SUCCESS; }