Detecting Memory Leaks

[Hafedh TRIMECHE 1]

Setting OPENSSL_SET_MEMORY_FUNCS inside IdCompilerDefines.inc file generated Assertion Exception:

===============================================================================
Computer Name         : WIN-U8VNBK8EO77
Local IP              : 192.168.56.1,192.168.31.150
Memory manager        : tbbmalloc.dll
Application Name      : UTest.exe
Compiler Version      : Delphi Tokyo+ [VER330]
JCL Version           : 2.8.0 Build 5677
Indy Version          : 10.6.2.0
Report Unique ID      : {2350E01A-18BF-45E8-A20A-DC95B7C19733}
Start Time            : 2019-06-10 00:39:45.192
Exception Time        : 2019-06-10 00:40:16.443
Application up time   :  31 seconds 251 milliseconds
===============================================================================
System                : Windows Server 2016 Server, Version: 10.0, Build: 3839, ""
Processor             : AMD, AMD Athlon(tm) II P320 Dual-Core Processor, 2100 MHz MMX
Display               : 1680x1050 pixels, 32 bpp
Total Physical Memory :   5.748 GB
Free Physical Memory  :   1.232 GB
Working Set Memory    :   160.309 MB
===============================================================================
Exception class       : EAssertionFailed
Assertion failure (D:\Developer\Packages\Indy\Protocols\IdSSLOpenSSL.pas, line 2164)
Exception address     : 007703EB
-------------------------------------------------------------------------------
Module                : IdSSLOpenSSL
Procedure             : IdSSLOpenSSL.IdSslCryptoMallocInit
Unit                  : IdSSLOpenSSL.pas
Line                  : 2164
-------------------------------------------------------------------------------
[007703E6] IdSSLOpenSSL.IdSslCryptoMallocInit (Line 2164, "IdSSLOpenSSL.pas" + 2) + $15
[0040AC8D] System.@Assert (Line 24854, "System.pas" + 2) + $D
[007703E6] IdSSLOpenSSL.IdSslCryptoMallocInit (Line 2164, "IdSSLOpenSSL.pas" + 2) + $15
[00770A91] IdSSLOpenSSL.LoadOpenSSLLibrary (Line 2368, "IdSSLOpenSSL.pas" + 14) + $0
[00973EB3] uNetwork.THTTPClient.Create (Line 632, "uNetwork.pas" + 1) + $0

[Stefan Glienke 2002]

What memory leak? That assert is telling you that CRYPTO_set_mem_functions returned 0

[Hafedh TRIMECHE 1]

Indeed CRYPTO_set_mem_functions is used to detect memory leaks but failed to be set at the first call to SSL initialization.