[fpc-devel] Gaps in a non-contiguous enum

Martin Frb lazarus at mfriebe.de
Thu Aug 11 15:37:26 CEST 2022


On 11/08/2022 13:38, Juha Manninen via fpc-devel wrote:
>
>       // An empty string and the enum's unit name happen in gaps
>       // of a non-contiguous enum. Why the unit name? A bug in FPC code?
>   with GetTypeData(EnumType)^ do
>     for I := MinValue to MaxValue do begin
>       s := GetEnumName(EnumType, I);

Because you are not supposed to use MaxValue
Instead use  GetEnumNameCount

     for I := MinValue to MinValue + GetEnumNameCount(...) - 1 do begin

The unit name is returned because the TypeDate stores the unitname after 
the continuous list of element names. And once you are out of index ...


More information about the fpc-devel mailing list