mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-01 17:15:06 +01:00
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
// A simple smart pointer class i made a long time ago, quickly adpated to the multiple alloc functions
|
|
// Not thread-safe (on copy & on destruction)
|
|
|
|
#ifndef __SMARTPTR_HPP
|
|
#define __SMARTPTR_HPP
|
|
|
|
#include <algorithm>
|
|
#include <malloc.h>
|
|
|
|
#include "utils.h"
|
|
#include "mem2.hpp"
|
|
#include "gui_sound.h"
|
|
|
|
template <class T> class SmartPtr
|
|
{
|
|
public:
|
|
enum SrcAlloc { SRCALL_NEW, SRCALL_MEM1, SRCALL_MEM2 };
|
|
T &operator*(void) const { return *m_p; }
|
|
T *operator->(void) const { return m_p; }
|
|
bool operator!(void) const { return m_p == NULL; }
|
|
T *get(void) const { return m_p; }
|
|
virtual void release(void)
|
|
{
|
|
if (m_p != NULL && m_refcount != NULL && --*m_refcount == 0)
|
|
{
|
|
switch(m_srcAlloc)
|
|
{
|
|
case SRCALL_MEM1:
|
|
MEM1_free(m_p);
|
|
break;
|
|
case SRCALL_MEM2:
|
|
MEM2_free(m_p);
|
|
break;
|
|
default:
|
|
delete m_p;
|
|
break;
|
|
}
|
|
delete m_refcount;
|
|
}
|
|
|
|
m_p = NULL;
|
|
m_refcount = NULL;
|
|
}
|
|
SmartPtr<T> &operator=(const SmartPtr<T> &sp)
|
|
{
|
|
SmartPtr<T> temp(sp);
|
|
_swap(temp);
|
|
return *this;
|
|
}
|
|
explicit SmartPtr<T>(T *p = NULL, SrcAlloc t = SRCALL_NEW) : m_p(p), m_refcount(p != NULL ? new int(1) : NULL), m_srcAlloc(t) { }
|
|
SmartPtr<T>(const SmartPtr<T> &sp) : m_p(sp.m_p), m_refcount(sp.m_refcount), m_srcAlloc(sp.m_srcAlloc)
|
|
{
|
|
if (m_refcount != NULL)
|
|
++*m_refcount;
|
|
}
|
|
virtual ~SmartPtr<T>(void) { release(); }
|
|
protected:
|
|
T *m_p;
|
|
int *m_refcount;
|
|
SrcAlloc m_srcAlloc;
|
|
protected:
|
|
void _swap(SmartPtr<T> &sp) throw()
|
|
{
|
|
std::swap(m_p, sp.m_p);
|
|
std::swap(m_refcount, sp.m_refcount);
|
|
std::swap(m_srcAlloc, sp.m_srcAlloc);
|
|
}
|
|
};
|
|
|
|
typedef SmartPtr<unsigned char> SmartBuf;
|
|
typedef SmartPtr<GuiSound> SmartGuiSound;
|
|
|
|
SmartBuf smartMemAlign32(unsigned int size);
|
|
SmartBuf smartMem2Alloc(unsigned int size);
|
|
SmartBuf smartAnyAlloc(unsigned int size);
|
|
|
|
SmartBuf smartMem1Alloc(unsigned int size);
|
|
#endif // !defined(__SMARTPTR_HPP)
|