[fpc-pascal]sizeof returns wrong size?
Andreas K. Foerster
Andreas at AKFoerster.de
Wed Mar 27 06:56:06 CET 2002
On Tue, Mar 26, 2002 at 05:38:49PM -0500, James_Wilson at i2.com wrote:
> > This will always return 4 I think (because a generic "var"
> > parameter is simply a pointer to whatever data you are passing
> > to the routine).
> > You will have to add an explicit size parameter to your routine
> > to solve this.
> Unfortunately, that won't work, primarily because the passed var could be
> of any size. I'm hoping there's some way to get the actual size of the var
Before you call the procedure, it should be possible to use "sizeof".
It's just impossible, because it's untyped IN the procedure.
Try calling it like this:
Win32Write (Col, Row, SourceData, sizeof(SourceData));
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