jarkkosoikkeli wrote:

>
> Hello!
>
> If you pass CSTRING(256) to substr-function. Is it sure that
> Interbase/Firebird has allocated 256 bytes for that string so that
> writing ending '\0' past the end of the string, but within 256 bytes,
> is fine?
>

yes.
--
Raymond Kennington
Programming Solutions
W2W Team B