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/* cppmemory.cpp - Memory management for a secure KDE dialog for PIN entry.
Copyright (C) 2002 Klar舁vdalens Datakonsult AB
Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
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 */
#include <new>
#include <stdlib.h>
extern "C"
{
#include "memory.h"
}
bool is_secure = false;
void *operator new (size_t s) throw (std::bad_alloc)
{
if( s == 0 ) s = 1; // never allocate 0 bytes!
while( true ) { // the standard requires us to keep trying
void* p;
if( is_secure ) p = ::secmem_malloc( s );
else p = ::malloc( s );
if(p) return p; // succes!
new_handler h = set_new_handler(0);
set_new_handler(h);
if( h ) (*h)();
else throw std::bad_alloc();
}
}
void *operator new[] (size_t s) throw (std::bad_alloc)
{
return operator new( s );
}
void operator delete (void* p) throw()
{
if( !p ) return;
if( ::m_is_secure(p) ) ::secmem_free( p );
else ::free( p );
}
void operator delete[] (void* p) throw()
{
operator delete( p );
}

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