tools/leaky/LibPreload.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
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   7  * http://www.mozilla.org/MPL/
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   9  * Software distributed under the License is distributed on an "AS IS" basis,
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  14  * The Original Code is mozilla.org code.
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  19  * the Initial Developer. All Rights Reserved.
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  21  * Contributor(s):
  22  *   Kipp E.B. Hickman <kipp@netscape.com> (original author)
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  37
  38 #include "TestPreload.h"
  39 #include "config.h"
  40 #include <malloc.h>
  41
  42 // This is a fake implementation of malloc that layers on top of the
  43 // native platforms malloc routine (ideally using weak symbols). What
  44 // it does if given a specail size request it returns a fake address
  45 // result, otherwise it uses the underlying malloc.
  46 void* malloc(size_t aSize)
  47 {
  48   if (aSize == LD_PRELOAD_TEST_MALLOC_SIZE) {
  49     return (void*) LD_PRELOAD_TEST_VALUE;
  50   }
  51   else {
  52     return REAL_MALLOC(aSize);
  53   }
  54 }