Re: Software Vendors

[John P Carr <jpcarr@xxxxxxxxxxxx>]

Jim Langston said;

>It is not impossible to write bug free code.  It is actually very
>easy to do so, as long as when you are designing and coding the
>program you think of and validate any data the users can input.
>Too many times I have been looking at someone else's program
>and tell them, "well, if the user puts in a value less than zero the
>program will crash".  The response has almost always been, "Well
>they shouldn't put in values less than zero.  Let it crash".
>
>That has not been acceptable to me.  I will go ahead and add the
>extra one to 3 lines it takes to validate the values entered.  My
>feeling has always been if I allow the user to enter something, I
>darn better well be able to handle it in my program, or I am not
>going to let them enter it in the first place.

What is the reason for the difference in attitude between you and "The other
programmer"?

Coming from a Midrange Green Screen business app background I
"Inherently"  think like you do.   As I am creating the "Input" field I am 
thinking of it's validation and permissible values.    It's NOT an after
thought.

Also,  It would seem that if you come from a PC development background,
you may not think "Inherently"  about two or more people going for the same
resource at the same time.    This consideration was "Inbred"  in a
multi-user
environment like the 34,36,38  & AS/400.

Any thoughts?

John Carr




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