Re: Binary Distribution DLL Names

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I got no response to this. I presume that mean that this is a stupid question, but I'm afraid I don't understand why

Grahame


On Mon, Jan 14, 2019 at 11:45 PM Grahame Grieve <grahame@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Hi

I have a 64bit windows application that uses openSSL, and I am using the indy distribution from https://indy.fulgan.com/SSL/. This makes the file names of the openssl dlls libeay32.dll and ssleay32.dll (even though they are 64bit).  Other distributions use other names (libcrypto-XX-x64.dll etc)

I believe that the filename variations are at the root of an issue I have with openSSL. My symptoms are this: when I run my unit tests that do (among other things) a bunch of tests of my SSL server, all is good. However, anytime I load the mysql odbc driver into the memory space, I get an memory corruption problem in libeay32.dll when shutting down. Google suggests that this is due to a build mismatch between the two dlls... I'm guessing that mysql is loading some other dll variant of openssl and some build mismatch is arising ? 

I'm clutching at straws here, but has this been an issue before? is there any policy issue around distrubution filenames? Is there any other likely cause why loading the mysql odbc driver causes memory corruptions in openssl when shutting down? 

thanks
Grahame
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