[fpc-pascal] allocating memory for records
Leonardo M. Ram�
martinrame at yahoo.com
Fri Jul 7 19:09:48 CEST 2006
you don't need to allocate memory for records, you can us as follows:
MyRec = record
a: integer; /* very clear */
b: string; /* not clear, how much bytes are needed? */
myRecVar.a := 10;
myRecVar.b := 'Hello World!';
--- Vincent Snijders <vsnijders at quicknet.nl> wrote:
> Marc Santhoff wrote:
> > Hi,
> > excuse me for asking dumb questions, but over using objects only for
> > years I forgot:
> > If I need to allocate memory for a record type variable, what functions
> > should get used?
> > Is the GetMem/FreeMem pair okay or is there something more appropriate?
> > var
> > x: PMyRec
> > begin
> > GetMem(x, sizeof(x));
> > would be my best guess atm.
> > And another related question:
> > If a record has a String field, how is memory allacation handled?
> > MyRec = record
> > a: integer; /* very clear */
> > b: string; /* not clear, how much bytes are needed? */
> > end;
> I would use:
> I guess the memory will initialized and finalized for strings correctly
> in that case too, but I am not sure;
> fpc-pascal maillist - fpc-pascal at lists.freepascal.org
Leonardo M. Ramé
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