Platform independent classes

Does anybody know of any good links that discuss designing (or converting) C++ classes that require platform independence (or at least with a set of specific platforms in mind). The idea is to not riddle the code with tons of #ifdef's. In my own mind, a good link that talks about designing such classes should take into consideration calls to library functions that may have slightly different signatures and/or return values on different platforms, different system include files between the various platforms, etc. I seem to be striking out googling for this. Thanks for your help.

So long as you avoid using platform-dependent libraries, and user minimal wrappers where you must do so, it really isn't that hard.

Have a look at the Bridge Design Pattern.

You could create a base interface class with the cross platform functionality but with pure virtual platform dependent functions. Then define platform dependent concrete classes derived from it.

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Originally Posted by JohnW@Wessex

You could create a base interface class with the cross platform functionality but with pure virtual platform dependent functions. Then define platform dependent concrete classes derived from it.

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Actually, this is similar to the route I was thinking about taking. I just didn't know whether it would be the best path to start down, that's why I was wondering about other types of solutions that I haven't thought about or just aren't aware of. Thanks for your input.

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Originally Posted by _uj

Have a look at the Bridge Design Pattern.

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I'm not familar with this particular design pattern, but I'll take a look at it. Thanks.