[fpc-devel] OpenSSL v1.1.x DLL loading / Bug 37137

[Michael Van Canneyt]

On Tue, 30 Jun 2020, Wayne Sherman via fpc-devel wrote:

> OpenSSL library loading fixes. Patch file is attached.  Comments are welcome.
>
> Summary:
>   1)  For Windows and OS2, remove DLLSSLNameX and DLLUtilNameX
> variables.  Instead use matched arrays of DLL filenames (SSL_DLL_Names
> and Crypto_DLL_Names)
>
>   2)  Due to refactoring, remove LoadLibHack or LoadLib functions.
>
>   3)  Remove LoadUtilLibrary function, UnloadSSLLib procedure, and
> UnloadUtilLib procedure since these were not being called internally
> and are unreachable externally.
>
>   4)  Add new function TryLoadLibPair which attempts to load a
> matched pair of DLLs (SSL and Crypto).  If either fails to load,
> UnloadLibraries is called to clean up.
>
>   5)  Refactored LoadLibraries to use arrays of names for Windows and
> OS2, and to use the new TryLoadLibPair helper function for all
> platforms.

Thank you very much for the patch. 
I will look at this ASAP.

Michael.