Subject | Re: [Firebird-Architect] Re: C API Upgrade? |
---|---|
Author | Vitaly Prapirny |
Post date | 2008-02-01T13:31:36Z |
Ivan Prenosil wrote:
maxlen) that fills preallocated memory or even don't change your Delphi
code at all. If some function doesn't hit your target - don't use it. If
one day sqlname field become null-terminated than this function can
simply return appropriate pointer.
functions and access libraries for other languages from official
sources would be great also.
matter for novice users.
Good luck!
Vitaly
P.S. I understand that fb community resources is limited :)
> >> > char *isc_dsql_get_name(XSQLDA *xsqlda, unsigned short colno)You could use another new function isc_dsql_get_name2(xsqlda, col, name,
> >>
> >> Do you mean name of the column ? It is stored in xsqlda, just read it.
> >> In Delphi it is just
> >>
> >> Copy(xsqlda.sqlvar[col].sqlname, 1, xsqlda.sqlvar[col].sqlname_length)
> >
> > But this is more clear and omits dependence from XSQLDA internals:
> >
> > name = isc_dsql_get_name(xsqlda, col);
>
> It looks much better.
>
> But, what would such function exactly do ? Allocate the memory and copy
> the name into it ? It is perhaps good for C, but useless for Delphi where
> I would need to copy it again into string and free the memory.
maxlen) that fills preallocated memory or even don't change your Delphi
code at all. If some function doesn't hit your target - don't use it. If
one day sqlname field become null-terminated than this function can
simply return appropriate pointer.
> And do you think language specific helper functions belong to general API ?It is C API and some C helper functions should be justified. Helper
functions and access libraries for other languages from official
sources would be great also.
> Would not short include file with simple macro do the same for COld include file or new include file or even new library - it doesn't
> programmers ?
> (and I agree that such official include would be nice)
matter for novice users.
Good luck!
Vitaly
P.S. I understand that fb community resources is limited :)