From: Corey Ashford <yeroca@rocketmail.com>
Subject: Re: Constraint Error. Why?
Date: 1999/01/15
Date: 1999-01-15T00:00:00+00:00 [thread overview]
Message-ID: <369EE46B.89982F32@rocketmail.com> (raw)
In-Reply-To: 369E5053.5C5EF4A5@stelnj.nojunk.com
Roga Danar wrote:
>
> Thanks for your reply. I have fixed the problem by looking at an older example of
> code of I had a similiar problem.
>
> The exception *is* coming from the "if" statement and not the Createfile call.
>
> Handle is an access to an access to an integer.
>
> What (appearently) is happening here is that the pointer is NOT NULL when it is
> check by the "if" statement but pointing to anything which I can validly
> deference.
It could be that "seg faults" are converted to constraint_errors within the Ada
runtime. It's odd though. Usually, if that is done at all, they are converted
to storage_errors.
>
> The problem is easily solved with a call to a function which converts the HANDLE
> to an integer which I can then check against the "Invalid_Handle_Value".
>
Glad you found a fix.
- Corey
prev parent reply other threads:[~1999-01-15 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-12 0:00 Constraint Error. Why? Roga Danar
1999-01-14 0:00 ` Corey Ashford
1999-01-14 0:00 ` Roga Danar
1999-01-15 0:00 ` Corey Ashford [this message]
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