> Geoff McLane wrote: > > When running your fgfs.exe the log ends abruptly with > > ********* Before globals->saveInitialState() > ... first thing ... is "delete initial_state;" but initial_state ... 0 > Q Can you delete a NULL pointer? > A ... deleting a pointer with a value of zero... > is guaranteed to be harmless." (ibid., Page 499)
Wow? What is programming about? It should not be a question as to whether it is ok to delete a null! Any allocator/deallocator of memory can or may not have such 'testing' before commitment ... entirely implementation dependant. You programmed the machine - you 'know' if it is the 1st time thru, or an iteration - clean up your own mess. Do not trust the 'compiler' to do what you want!!! Write what you want in code ... A function should not conceptually begin with, well I better try to clean up what I didn't clean up before, before I start ... Even if(p) delete p; is horrific if you do not know what is in p! As mentioned msvc debug will fill an unitialised class ptr p with a value cdcdcdcdcd! Like the man who took his dog for a walk, only to find out he did not have a dog :-)) Its ok, I'll just delete him that does not exist! I really look forward to an exe update I can try. I have now had a chance to try a few other FDM's, and am now totally sold on 'magic'. This is 'flying'. --fdm=magic My exe crashed on ada and just 'sat' on the runway in 'balloon'. But with magic the system soared. For the very first time I saw sustained fps rates in excess of - dare I say it - 20s+. Fluid js actions ... the works. Those of you who have machines that do this all the time must be bored with my whining about 'stuttering' ... sorry. There is a GREAT flight simulator here, but how to make it 'co-operatively' work on the current pc system it is running in? A step closer we hope ... rgds, Geoff. _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
