Re: private construction on GCC
brianhray@gmail.com wrote:
I get an access exception on Release() on GCC but worked on different
compiler, I am trying to figure out if there is anything with this
code in a header:
class CountObject {
private:
long count;
public:
CountObject() : count(0) {}
CountObject(const CountObject&) : count(0) {}
virtual ~CountObject() {}
CountObject& operator=(const CountObject &) { return *this; }
void Grab() { count++; }
void Release() {
if (count > 0) count--; //< Exception Here
if (count <= 0) {
delete this;
}
}
// attribute functions
long Count() const { return count; }
};
Any insight would be helpful. What is the best way (most standard) to
prevent this problem.
You're apparently invoking undefined behaviour. Most likely when you
call 'Release', the object for which you call is not valid, like if you
do it with a pointer and the pointer is null, or a reference to an object
that has been disposed of.
V
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