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/*
* DUMA - Red-Zone memory allocator.
* Copyright (C) 2002-2008 Hayati Ayguen <h_ayguen@web.de>, Procitec GmbH
* License: GNU LGPL (GNU Lesser General Public License, see COPYING-GPL)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FILE CONTENTS:
* example showing how to implement member new/delete operators
* the implementation might not be the best, but you get a clou which
* operators need to be written.
*
*/
#include <stdio.h>
#include <new>
#include "../dumapp.h"
#include "../noduma.h"
class optest
{
public:
/* 1x : SINGLE OBJECT FORM - NO DEBUG INFORMATION */
void * operator new( DUMA_SIZE_T ) throw(std::bad_alloc);
void * operator new( DUMA_SIZE_T , const std::nothrow_t & ) throw();
void operator delete( void * ) throw();
void operator delete( void * , const std::nothrow_t & ) throw();
/* 2x : ARRAY OBJECT FORM - NO DEBUG INFORMATION */
void * operator new[]( DUMA_SIZE_T ) throw(std::bad_alloc);
void * operator new[]( DUMA_SIZE_T , const std::nothrow_t & ) throw();
void operator delete[]( void * ) throw();
void operator delete[]( void *, const std::nothrow_t & ) throw();
#ifndef DUMA_NO_LEAKDETECTION
/* 3x : SINGLE OBJECT FORM - WITH DEBUG INFORMATION */
void * operator new( DUMA_SIZE_T, const char *, int ) throw( std::bad_alloc );
void * operator new( DUMA_SIZE_T, const std::nothrow_t &, const char *, int ) throw();
void operator delete( void *, const char *, int ) throw();
void operator delete( void *, const std::nothrow_t &, const char *, int ) throw();
/* 4x : ARRAY OBJECT FORM - WITH DEBUG INFORMATION */
void * operator new[]( DUMA_SIZE_T, const char *, int ) throw( std::bad_alloc );
void * operator new[]( DUMA_SIZE_T, const std::nothrow_t &, const char *, int ) throw();
void operator delete[]( void *, const char *, int ) throw();
void operator delete[]( void *, const std::nothrow_t &, const char *, int ) throw();
#endif
private:
int dummy;
};
/* 1x : SINGLE OBJECT FORM - NO DEBUG INFORMATION */
void * optest::operator new( DUMA_SIZE_T s )
throw(std::bad_alloc)
{
(void)s;
return ::new optest;
}
void * optest::operator new( DUMA_SIZE_T s, const std::nothrow_t & n )
throw()
{
(void)s;
return ::new(n) optest;
}
void optest::operator delete( void * p )
throw()
{
::operator delete ((optest*)p);
}
void optest::operator delete( void * p, const std::nothrow_t & n )
throw()
{
::operator delete((optest*)p, n);
}
/* 2x : ARRAY OBJECT FORM - NO DEBUG INFORMATION */
void * optest::operator new[]( DUMA_SIZE_T s )
throw(std::bad_alloc)
{
return ::new optest[ s / sizeof(optest) ]; // "s / sizeof()" not correct but works for this test
}
void * optest::operator new[]( DUMA_SIZE_T s, const std::nothrow_t & n )
throw()
{
return ::new(n) optest[ s / sizeof(optest) ]; // "s / sizeof()" not correct but works for this test
}
void optest::operator delete[]( void * p )
throw()
{
::operator delete []((optest*)p);
}
void optest::operator delete[]( void * p, const std::nothrow_t & n )
throw()
{
::operator delete[]((optest*)p, n);
}
#ifndef DUMA_NO_LEAKDETECTION
/* 3x : SINGLE OBJECT FORM - WITH DEBUG INFORMATION */
void * optest::operator new( DUMA_SIZE_T s, const char * f, int l )
throw( std::bad_alloc )
{
(void)s;
return ::new(f,l) optest;
}
void * optest::operator new( DUMA_SIZE_T s, const std::nothrow_t & n, const char * f, int l )
throw()
{
(void)s;
return ::new(n,f,l) optest;
}
void optest::operator delete( void * p, const char * f, int l )
throw()
{
::operator delete((optest*)p, f,l);
}
void optest::operator delete( void * p, const std::nothrow_t & n, const char * f, int l )
throw()
{
::operator delete((optest*)p, n, f,l);
}
/* 4x : ARRAY OBJECT FORM - WITH DEBUG INFORMATION */
void * optest::operator new[]( DUMA_SIZE_T s, const char * f, int l )
throw( std::bad_alloc )
{
return ::new(f,l) optest[s / sizeof(optest)]; // "s / sizeof()" not correct but works for this test
}
void * optest::operator new[]( DUMA_SIZE_T s, const std::nothrow_t & n, const char * f, int l )
throw()
{
return ::new(n, f,l) optest[s / sizeof(optest)]; // "s / sizeof()" not correct but works for this test
}
void optest::operator delete[]( void * p, const char * f, int l )
throw()
{
::operator delete[]((optest*)p, f,l);
}
void optest::operator delete[]( void * p, const std::nothrow_t & n, const char * f, int l )
throw()
{
::operator delete[]((optest*)p, n, f,l);
}
#endif /* DUMA_NO_LEAKDETECTION */
void pure_test()
{
/* how to call the operators without any DUMA macros defined */
#include "../noduma.h"
optest * s, * v;
s = new optest;
delete s;
s = new(std::nothrow) optest;
delete s;
v = new optest[0];
delete []v;
v = new optest[10];
delete []v;
v = new(std::nothrow) optest[10];
delete []v;
}
void rich_test()
{
/* how to call the operators with having DUMA macros defined */
#include "../dumapp.h"
optest * s, * v;
s = new optest;
delete s;
#include "../noduma.h"
#ifndef DUMA_NO_LEAKDETECTION
s = new(std::nothrow,__FILE__,__LINE__) optest;
#else
s = new(std::nothrow) optest;
#endif
#include "../dumapp.h"
delete s;
v = new optest[0];
delete []v;
v = new optest[10];
delete []v;
#include "../noduma.h"
#ifndef DUMA_NO_LEAKDETECTION
v = new(std::nothrow,__FILE__,__LINE__) optest[10];
#else
v = new(std::nothrow) optest[10];
#endif
#include "../dumapp.h"
delete []v;
}
int main( int argc, char *argv[] )
{
(void)argc;
(void)argv;
#ifdef DUMA_EXPLICIT_INIT
duma_init();
#endif
pure_test();
rich_test();
return 0;
}
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