> Hi, thanks for your help. I've tried using IBAlloc, but I'm getting
> the same problems as with StrAlloc. It works fine when run in Delphi,
> but when run as a UDF it just outputs a few random characters. Any
> idea what might be going wrong? :-)

Length(InputString), I think, will always return "4" -> that is the
length of the pointer.Try StrLen instead.

Martijn Tonies
Database Workbench - development tool for Firebird and more!
Upscene Productions
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> > > I'm having trouble writing a UDF in Delphi that returns a
> > > PChar. This is a simple example of what I'm trying to do:
> > >
> > > function test(InputString: PChar): PChar; begin
> > > result := StrAlloc(Length(InputString));
> > > StrCopy(result, InputString);
> > > // Presumably the StrAlloc will be freed by the UDF's FREE IT???
> > > end;
> >
> > Shouldn't you use IBMalloc (or similar name) function to allocate
> memory
> > instead of StrAlloc?
>
>
>
>
>
>
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