Lazarus

Free Pascal => Windows => Topic started by: 440bx on September 29, 2022, 11:41:08 pm

Title: export entry point aliases
Post by: 440bx on September 29, 2022, 11:41:08 pm

Hello,

It is somewhat common to see Windows DLLs that have multiple exported functions lead to the same piece of code, IOW, they all share the same entry point.

I was wondering if it is possible to do that with FPC.  IOW, is it possible to assign multiple exported function names to an FPC written function or procedure ? if the answer is yes, then I'd like to know how it is done.

Thank you for your help.

Title: Re: export entry point aliases
Post by: avk on September 30, 2022, 05:32:55 am

Maybe something like this?

Code: Pascal  [Select][+][-]

1. library test;
2.  
3. {$mode objfpc}
4.  
5. function MyFun(c: Integer): Integer;
6. begin
7.   Result := c * 10;
8. end;
9.  
10. exports
11.    MyFun,
12.    MyFun name 'MySameFun',
13.    MyFun name 'MyOtherSameFun';
14. begin
15. end.
16.  

Title: Re: export entry point aliases
Post by: 440bx on September 30, 2022, 06:32:20 am

Quote from: avk on September 30, 2022, 05:32:55 am

Maybe something like this?

Yes!  That's exactly what I was wondering how to do.  Great example too!

Thank you very much @avk, much appreciated.

Title: Re: export entry point aliases
Post by: avk on September 30, 2022, 09:17:06 am

You are welcome.