🚀 go-pugleaf

Hi Pete,

Pete Fraser wrote:
> I think we need to see the code in the base class that sets the table ptr.
> Also, do you have a *table in the derived classes?
> Rgds Pete

The funciton basically takes a pointer and sets the derived class value 
to that (I know that's not going to do it now).

I don't have a *table in the dervide classes.

Pete.


> 
> "pnunn" <pnunn@infoteq.com.au> wrote in message 
> news:445a02bf$1@newsgroups.borland.com...
> 
>>Folks.. I'm stuck on a problem that should be easy to sort out but I can't 
>>get to work.
>>
>>I have a base class defined that has a pointer to a structure in it.
>>
>>struct stateTable *table;
>>
>>and a public function setTable that takes a passed in pointer and sets 
>>table to it...
>>
>>In the derived class I have (in the constructor)
>>
>>   struct stateLine binTable[] =
>>   {
>>   //current state, A0, A1, next state
>>   {1, High, Low, 2},
>>   {1, High, High, 4},
>>   {1, Low, High, 5},
>>   {2, Low, Low, 1},
>>   {2, High, High, 4},
>>   {4, High, Low, 3},
>>   {3, Low, Low, 1},
>>   {3, Low, High, 4},
>>   {5, High, High, 4},
>>   {5, Low, Low, 1}
>>   };
>>
>>   setTable(binTable);
>>
>>Now.. when I go to use table in other functions.. table points to nothing 
>>useful.. and I guess its because as binTable goes out of scope, so does 
>>the memory its using... so I guess I can see why its not working, but, I 
>>can't work out how to make it work.
>>
>>If I have a stateTable* in the derived class, how do I dynamically make 
>>the table and pass it to the base class?
>>
>>I'd really rather build the table as the above code shows, but then how do 
>>I pass that to the base class and have it still be there?
>>
>>I know this is basic C++, but any help greatly appreciated.
>>
>>Ta.
>>
>>Peter. 
> 
> 
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