103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
/*
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* file that facilitates C++ program debugging.
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*
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* Copyright 1995 by Gray Watson
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*
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* This file is part of the dmalloc package.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* NON-COMMERCIAL purpose and without fee is hereby granted, provided
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* that the above copyright notice and this permission notice appear
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* in all copies, and that the name of Gray Watson not be used in
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* advertising or publicity pertaining to distribution of the document
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* or software without specific, written prior permission.
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*
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* Please see the PERMISSIONS file or contact the author for information
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* about commercial licenses.
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*
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* Gray Watson makes no representations about the suitability of the
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* software described herein for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* The author may be contacted via http://www.letters.com/~gray/
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*
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* $Id$
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*/
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/*
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* This file is used to effectively redirect new to the more familiar
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* malloc and delete to the more familiar free so they can be debugged
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* with the debug malloc library.. They also give the known error
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* behavior, too.
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*
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* Compile and link this in with the C++ program you want to debug.
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*
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* NOTE: I am not a C++ hacker so feedback in the form of other hints
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* and ideas for C++ users would be much appreciated.
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*/
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#ifdef DEBUG_MALLOC
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extern "C" {
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#include <stdlib.h>
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#include <dmalloc.h>
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#include "/usr/local/src/dmalloc-4.1.2/return.h"
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}
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/*
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* An overload function for the C++ new.
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*/
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void *
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operator new(size_t size)
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{
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char *file;
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GET_RET_ADDR(file);
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/* handle correct C++ semantics for an alloc of size 0 */
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if (size == 0) size = 1;
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return _malloc_leap(file, 0, size);
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}
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/*
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* An overload function for the C++ new[].
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*/
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void *
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operator new[](size_t size)
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{
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char *file;
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GET_RET_ADDR(file);
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/* handle correct C++ semantics for an alloc of size 0 */
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if (size == 0) size = 1;
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return _malloc_leap(file, 0, size);
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}
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/*
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* An overload function for the C++ delete.
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*/
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void
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operator delete(void *pnt)
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{
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char *file;
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GET_RET_ADDR(file);
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_free_leap(file, 0, pnt);
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}
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/*
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* An overload function for the C++ delete[]. Thanks to Jens Krinke
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* <j.krinke@gmx.de>
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*/
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void
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operator delete[](void *pnt)
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{
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char *file;
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GET_RET_ADDR(file);
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_free_leap(file, 0, pnt);
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}
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#endif
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