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/*
* Copyright (C) 1997 by the University of Southern California
* $Id: dmalloc_support.cc,v 1.8 2005/08/25 18:58:06 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
/*
* Redefine new and friends to use dmalloc.
*/
#ifdef HAVE_LIBDMALLOC
/*
* XXX dmalloc 3.x is no longer supported
*
* - haoboy, Aug 2000
*/
/*
* This portion copied from ~dmalloc/dmalloc.cc
* Copyright 1999 by Gray Watson
*/
extern "C" {
#include <stdio.h>
#include <stdlib.h>
/* Prototype declaration for TclpAlloc originally
defined in tcl8.3.2/generic/tclAlloc.c */
char *TclpAlloc(unsigned int);
char *Tcl_Alloc(unsigned int);
#define DMALLOC_DISABLE
#include "dmalloc.h"
#include "return.h"
}
#ifndef DMALLOC_VERSION_MAJOR
#error DMALLOC 3.x is no longer supported.
#endif
/*
* An overload function for the C++ new.
*/
void *
operator new[](size_t size)
{
char *file;
GET_RET_ADDR(file);
return _malloc_leap(file, 0, size);
}
/*
* An overload function for the C++ delete.
*/
void
operator delete(void *pnt)
{
char *file;
GET_RET_ADDR(file);
_free_leap(file, 0, pnt);
}
/*
* An overload function for the C++ delete[]. Thanks to Jens Krinke
* <j.krinke@gmx.de>
*/
void
operator delete[](void *pnt)
{
char *file;
GET_RET_ADDR(file);
_free_leap(file, 0, pnt);
}
char *
TclpAlloc(unsigned int nbytes)
{
char *file;
GET_RET_ADDR(file);
return (char*) _malloc_leap(file,0,nbytes);
}
char *
Tcl_Alloc (unsigned int size)
/* unsigned int size; */
{
char *result;
char *file;
/*
* Replacing the call to TclpAlloc with malloc directly to help
* memory debugging
* result = TclpAlloc(size);
*/
GET_RET_ADDR(file);
result = (char *)_malloc_leap(file,0,size);
/*
* Most systems will not alloc(0), instead bumping it to one so
* that NULL isn't returned. Some systems (AIX, Tru64) will alloc(0)
* by returning NULL, so we have to check that the NULL we get is
* not in response to alloc(0).
*
* The ANSI spec actually says that systems either return NULL *or*
* a special pointer on failure, but we only check for NULL
*/
if ((result == NULL) && size) {
printf("unable to alloc %d bytes", size);
}
return result;
}
#endif /* HAVE_LIBDMALLOC */
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