| From: | Donald W Millican |
| Date: | 31 Jul 2000 at 21:43:24 |
| Subject: | Why doesn't this code work? |
About two and a half years ago I decided to write a small database to
test my programming skills. I based it on coursework done in Borland
Turbo C on the PC at college. I decided to appraoch the project as
though it were a professional contract and drew up specifications and
peformed unbelievebly extensive testing. I implemented the code in a
modular fashion, writing and testing each function individually and
with all of the others. To finish the program I performed a full
program test - that's when it crashed.
I assumed (and still do assume based on my own debugging) that the
crash happens when the program runs and attempts to load its data
file. When the program was in its early stages, I created seperate
create-file and read-file programs which were then incorporated into
the main program as save and load functions respectively with no
changes whatsoever. These original programs have always worked
perfectly.
When PupilDbase is run under OS3.0 it will freeze and cause a system
reset during or after initial loading. Curiously, all three programs
work fine under OS3.5 with not the slightest problem.
If you're still awake after all that then you'll be glad to know that
I've got to the point - I can't figure out why the main file crashes.
I've supplied all the code and executables in my file attachment.
Could some of you test the program and see if you know why it crashes
(sorry, the code is uncommented but should be fairly obvious to
understand). Don't forget to change the paths for loading and saving
the data file to wherever you are running the program from.
Any help appreciated.
Thanks,
Donald
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