Using MinGW-W64 8.1.0 (posix-seh) compiled 32- and 64-bit SNFMulti/CodeDweller,

and built 64-bit DLL.

MinGW-32/buildSNFMultiDLL.cmd

 setlocal
 del snfmulti.dll snfmulti.def libsnfmulti.a
-set path=c:\MinGW\bin;%path%
+REM set path=c:\MinGW\bin;%path%
+set path=c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;%path%
 set CXX=c++
-set LIB=c:\MinGW\lib\libws2_32.a -loleaut32
+REM set LIB=c:\MinGW\lib\libws2_32.a -loleaut32
+set LIB="c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\x86_64-w64-mingw32\lib\libws2_32.a" -loleaut32
 set LDFLAGS=-Wl,--output-def=snfmulti.def -Wl,--out-implib=libsnfmulti.a -Wl,-dll
 %CXX% -shared -o snfmulti.dll %LDFLAGS% snfmultidll.o FilterChain.o GBUdb.o mangler.o scanner.o snfCFGmgr.o snf_engine.o snfGBUdbmgr.o snf_HeaderFinder.o snfLOGmgr.o SNFMulti.o snfNETmgr.o snf_sync.o snf_xci.o snfXCImgr.o base64codec.o configuration.o networking.o threading.o timing.o %LIB%

MinGW-32/compileSNFMultiDLL.cmd

 setlocal
-set path=c:\MinGW\bin;%path%
+REM set path=c:\MinGW\bin;%path%
+set path=c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;%path%
+REM set path=c:\Program Files\MinGW-W64\x86_64-8.1.0-win32-seh-rt_v6-rev0\mingw64\bin;%path%
 set CXX=c++
 set CXXFLAGS=-I../CodeDweller -I../SNFMulti -mthreads -O3 -m32 -D_USE_32BIT_TIME_T
 del *.o

MinGW-64/buildSNFMultiDLL.cmd

+setlocal
 del snfmulti.dll snfmulti.def libsnfmulti.a
-set path=c:\MinGW-64\bin;%path%
-set CXX=x86_64-pc-mingw32-c++
-set LIB=c:\MinGW-64\x86_64-pc-mingw32\lib64\libws2_32.a -loleaut32
+REM set path=c:\MinGW-64\bin;%path%
+REM set CXX=x86_64-pc-mingw32-c++
+REM set LIB=c:\MinGW-64\x86_64-pc-mingw32\lib64\libws2_32.a -loleaut32
+
+set path=c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;%path%
+set CXX=c++
+set LIB="c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\x86_64-w64-mingw32\lib\libws2_32.a" -loleaut32
+
 set LDFLAGS=-Wl,--output-def=snfmulti.def -Wl,--out-implib=libsnfmulti.a -Wl,-dll 
 %CXX% -shared -o snfmulti.dll %LDFLAGS% snfmultidll.o FilterChain.o GBUdb.o mangler.o scanner.o snfCFGmgr.o snf_engine.o snfGBUdbmgr.o snf_HeaderFinder.o snfLOGmgr.o SNFMulti.o snfNETmgr.o snf_sync.o snf_xci.o snfXCImgr.o base64codec.o configuration.o networking.o threading.o timing.o %LIB%

MinGW-64/compileSNFMultiDLL.cmd

-set path=c:\MinGW-64\bin;%path%
-set CXX=x86_64-pc-mingw32-c++
-REM set CXX=c++
+REM set path=c:\MinGW-64\bin;%path%
+REM set CXX=x86_64-pc-mingw32-c++
+
+set path=c:\Program Files\MinGW-W64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;%path%
+set CXX=c++
+
 set CXXFLAGS=-I../CodeDweller -I../SNFMulti -mthreads -O3
 del *.o
 %CXX% %CXXFLAGS% -c ../SNFMulti/FilterChain.cpp -o FilterChain.o

SNFMulti

-Subproject commit d122549f7e64c0a9a2a40011eb28c32dfa64a976
+Subproject commit c5aed611cba49fe73bd998ab426b07d70c4d9565

SNFMultiDll/snfmultidll.cpp

 //
 // Provides a full SNFMulti engine with dynamic scanner allocation.
 
+#ifdef WIN32
+
+// Required because threading.hpp includes windows.h.
+#include <winsock2.h>
+
+#endif
+
 #include <windows.h>
 #include <stdexcept>
 #include <cmath>
 ScannerInstance::ScannerInstance(snf_RulebaseHandler* RBH, int N) :             // Initialize.
   Ordinal(N),                                                                  // Ordinal as assigned.
   ScanResult(snf_ERROR_UNKNOWN),                                                // No good result yet.
-  ScanXHeaders(0,XHeaderReserve),                                               // Pre-allocate some space for our
-  ScanXMLLog(0, XMLLogReserve),                                                 // result caching buffers (strings)
-  ScanClassicLog(0, ClassicReserve) {                                           // so we might not have to later.
+  ScanXHeaders(XHeaderReserve, '\0'),                                           // Pre-allocate some space for our
+  ScanXMLLog(XMLLogReserve, '\0'),                                              // result caching buffers (strings)
+  ScanClassicLog(ClassicReserve, '\0') {                                        // so we might not have to later.
     clearBuffers();                                                             // Clear the buffers.
     open(RBH);                                                                  // Open the engine handler.
 }
     if(0 == myRulebaseHandler) return snf_ERROR_NO_HANDLE;                      // If we have no engine, punt!
     IPTestRecord Tester(IPToCheck);                                             // Make up a test record for this IP.
     myRulebaseHandler->performIPTest(Tester);                                   // Run it past the engine.
-    return Tester.R;                                                            // IPRange is an enum, so use as an int.
+    return static_cast<int>(Tester.R);                                          // IPRange is an enum, so use as an int.
 }
 
 double snfScannerPool::getIPReputation(unsigned long int IPToCheck) {           // This is how we get IP reps.