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On 2011/3/8 3:18 PM, Morgan, Paul wrote:
Have you tried to check the address of a *nopass parameter if it
wasn't passed? I get *NULL when I check in my test program and the
program doesn't break.
You've been unlucky then. If you were lucky, you would have seen a
non-null pointer that just happened to be lying around where your
program was looking for it, and your program would have broken because
it thought the parameter had actually been passed.
Sometimes programs and procedures that access unpassed parameters can
work for years, and then something changes about what happens before the
program or procedure gets called, and *boom*, you get an error.
Everything might seem to work fine until you demo it to your boss, or
until just after it goes into production, or until just before you go on
vacation, or ...
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