Re: std::auto_ptr with malloc
Greg Herlihy wrote:
There is another class that can be used to free malloc'ed blocks. In
fact, it's looks like this:
struct StMalloc
{
StMalloc(void *p = NULL)
: p_( p)
{
}
void * get() const { return p_; }
~StMalloc()
{
if ( p_ != NULL)
free( p_);
}
private:
void operator=(void *) const;
StMalloc(const StMalloc& );
void * p_;
};
Yeah, actually i did that but i borrowed most of the code from
boost::scoped_ptr so it looks like this:
template<class T>
class malloc_smrt_ptr
{
private:
T * ptr;
malloc_smrt_ptr(const malloc_smrt_ptr&);
malloc_smrt_ptr& operator=(const malloc_smrt_ptr&);
public:
typedef T element_type;
explicit malloc_smrt_ptr(T * p = 0): ptr(p)
{
}
~malloc_smrt_ptr()
{
free(ptr);
}
T & operator*() const
{
return *ptr;
}
T * operator->() const
{
return ptr;
}
T * get() const
{
return ptr;
}
bool operator!() const
{
return ptr == 0;
}
};
-----
Ivan
http://www.0x4849.net
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