[apple/dyld.git] / unit-tests / test-cases / dlopen-zero / main.c

/*
 * 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;
}
Commit	Line	Data
0959b6d4 A	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	int foo()
	31	{
	32	return 42;
	33	}
	34
	35
	36	int main()
	37	{
	38	// passing NULL as path to dlopen() has the special meaning of
	39	// "get handle to main executable"
	40	void* handle = dlopen(NULL, RTLD_LAZY);
	41	if ( handle == NULL ) {
	42	FAIL("dlopen(NULL, RTLD_LAZY) failed");
	43	exit(1);
	44	}
	45
	46	// make sure we find "foo" in this main executable
	47	void* sym = dlsym(handle, "foo");
	48	if ( sym == NULL ) {
	49	FAIL("dlsym(handle, \"foo\") failed");
	50	exit(1);
	51	}
39a8cd10	52
0959b6d4 A	53	if ( sym != &foo ) {
	54	FAIL("dlsym(handle, \"foo\") returned wrong address");
	55	exit(1);
	56	}
	57
	58	PASS("dlopen-zero");
	59	return EXIT_SUCCESS;
	60	}