gecko/tools/leaky/TestPreload.cpp

58 lines
2.3 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Kipp E.B. Hickman.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "TestPreload.h"
#include <malloc.h>
#include <stdio.h>
// This is a simple test program that verifies that you can use
// LD_PRELOAD to override the implementation of malloc for your
// system. It depends on PreloadLib.cpp providing an alternate
// implementation of malloc that has a special hack to return a
// constant address given a particular size request.
int main(int argc, char** argv)
{
char* p = (char*) malloc(LD_PRELOAD_TEST_MALLOC_SIZE);
if (p == (char*)LD_PRELOAD_TEST_VALUE) {
printf("LD_PRELOAD worked - we are using our malloc\n");
}
else {
printf("LD_PRELOAD failed\n");
}
return 0;
}